From e4c72fd7c8018d9dfc6043e7304275e2fffac89f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 7 Mar 2023 19:09:27 +0100 Subject: Adding upstream version 11.3.0. Signed-off-by: Daniel Baumann --- .github/workflows/python-publish.yml | 14 +- docs/search.js | 2 +- docs/sqlglot.html | 2 +- docs/sqlglot/dataframe/sql.html | 40 +- docs/sqlglot/dialects/bigquery.html | 1262 +- docs/sqlglot/dialects/clickhouse.html | 2 + docs/sqlglot/dialects/databricks.html | 2 + docs/sqlglot/dialects/dialect.html | 262 +- docs/sqlglot/dialects/drill.html | 2 + docs/sqlglot/dialects/duckdb.html | 556 +- docs/sqlglot/dialects/hive.html | 2 + docs/sqlglot/dialects/mysql.html | 2 + docs/sqlglot/dialects/oracle.html | 615 +- docs/sqlglot/dialects/postgres.html | 598 +- docs/sqlglot/dialects/presto.html | 2 + docs/sqlglot/dialects/redshift.html | 2 + docs/sqlglot/dialects/snowflake.html | 1707 +- docs/sqlglot/dialects/spark.html | 2 + docs/sqlglot/dialects/sqlite.html | 2 + docs/sqlglot/dialects/starrocks.html | 2 + docs/sqlglot/dialects/tableau.html | 2 + docs/sqlglot/dialects/teradata.html | 486 +- docs/sqlglot/dialects/trino.html | 2 + docs/sqlglot/dialects/tsql.html | 2 + docs/sqlglot/executor/python.html | 2 + docs/sqlglot/expressions.html | 19511 +++++++++++---------- docs/sqlglot/generator.html | 7854 +++++---- docs/sqlglot/lineage.html | 2 +- docs/sqlglot/optimizer/merge_subqueries.html | 118 +- docs/sqlglot/optimizer/optimizer.html | 2 +- docs/sqlglot/optimizer/pushdown_projections.html | 277 +- docs/sqlglot/parser.html | 14698 ++++++++-------- docs/sqlglot/tokens.html | 2565 +-- sqlglot/__init__.py | 2 +- sqlglot/dataframe/sql/column.py | 8 +- sqlglot/dataframe/sql/dataframe.py | 2 +- sqlglot/dataframe/sql/functions.py | 8 +- sqlglot/dialects/bigquery.py | 4 + sqlglot/dialects/clickhouse.py | 3 + sqlglot/dialects/dialect.py | 5 +- sqlglot/dialects/duckdb.py | 6 + sqlglot/dialects/hive.py | 4 + sqlglot/dialects/mysql.py | 3 + sqlglot/dialects/oracle.py | 17 +- sqlglot/dialects/postgres.py | 7 +- sqlglot/dialects/snowflake.py | 41 +- sqlglot/dialects/teradata.py | 19 +- sqlglot/expressions.py | 38 +- sqlglot/generator.py | 81 +- sqlglot/optimizer/merge_subqueries.py | 24 +- sqlglot/optimizer/pushdown_projections.py | 6 +- sqlglot/parser.py | 179 +- sqlglot/tokens.py | 8 + tests/dialects/test_dialect.py | 12 +- tests/dialects/test_duckdb.py | 4 +- tests/dialects/test_oracle.py | 5 + tests/dialects/test_postgres.py | 41 + tests/dialects/test_redshift.py | 6 + tests/dialects/test_snowflake.py | 68 +- tests/dialects/test_teradata.py | 21 +- tests/fixtures/identity.sql | 12 +- tests/fixtures/optimizer/optimizer.sql | 45 + 62 files changed, 26498 insertions(+), 24780 deletions(-) diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml index ae4ecfc..b73681a 100644 --- a/.github/workflows/python-publish.yml +++ b/.github/workflows/python-publish.yml @@ -19,6 +19,13 @@ jobs: python -m pip install --upgrade pip pip install setuptools wheel twine make install-dev + - name: Build and publish + env: + TWINE_USERNAME: __token__ + TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }} + run: | + python setup.py sdist bdist_wheel + twine upload dist/* - name: Update documentation run: | make docs @@ -30,10 +37,3 @@ jobs: uses: ad-m/github-push-action@master with: github_token: ${{ secrets.GITHUB_TOKEN }} - - name: Build and publish - env: - TWINE_USERNAME: __token__ - TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }} - run: | - python setup.py sdist bdist_wheel - twine upload dist/* diff --git a/docs/search.js b/docs/search.js index b1013bc..ac4a22c 100644 --- a/docs/search.js +++ b/docs/search.js @@ -1,6 +1,6 @@ window.pdocSearch = (function(){ /** elasticlunr - http://weixsong.github.io * Copyright (C) 2017 Oliver Nightingale * Copyright (C) 2017 Wei Song * MIT Licensed */!function(){function e(e){if(null===e||"object"!=typeof e)return e;var t=e.constructor();for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n]);return t}var t=function(e){var n=new t.Index;return n.pipeline.add(t.trimmer,t.stopWordFilter,t.stemmer),e&&e.call(n,n),n};t.version="0.9.5",lunr=t,t.utils={},t.utils.warn=function(e){return function(t){e.console&&console.warn&&console.warn(t)}}(this),t.utils.toString=function(e){return void 0===e||null===e?"":e.toString()},t.EventEmitter=function(){this.events={}},t.EventEmitter.prototype.addListener=function(){var e=Array.prototype.slice.call(arguments),t=e.pop(),n=e;if("function"!=typeof t)throw new TypeError("last argument must be a function");n.forEach(function(e){this.hasHandler(e)||(this.events[e]=[]),this.events[e].push(t)},this)},t.EventEmitter.prototype.removeListener=function(e,t){if(this.hasHandler(e)){var n=this.events[e].indexOf(t);-1!==n&&(this.events[e].splice(n,1),0==this.events[e].length&&delete this.events[e])}},t.EventEmitter.prototype.emit=function(e){if(this.hasHandler(e)){var t=Array.prototype.slice.call(arguments,1);this.events[e].forEach(function(e){e.apply(void 0,t)},this)}},t.EventEmitter.prototype.hasHandler=function(e){return e in this.events},t.tokenizer=function(e){if(!arguments.length||null===e||void 0===e)return[];if(Array.isArray(e)){var n=e.filter(function(e){return null===e||void 0===e?!1:!0});n=n.map(function(e){return t.utils.toString(e).toLowerCase()});var i=[];return n.forEach(function(e){var n=e.split(t.tokenizer.seperator);i=i.concat(n)},this),i}return e.toString().trim().toLowerCase().split(t.tokenizer.seperator)},t.tokenizer.defaultSeperator=/[\s\-]+/,t.tokenizer.seperator=t.tokenizer.defaultSeperator,t.tokenizer.setSeperator=function(e){null!==e&&void 0!==e&&"object"==typeof e&&(t.tokenizer.seperator=e)},t.tokenizer.resetSeperator=function(){t.tokenizer.seperator=t.tokenizer.defaultSeperator},t.tokenizer.getSeperator=function(){return t.tokenizer.seperator},t.Pipeline=function(){this._queue=[]},t.Pipeline.registeredFunctions={},t.Pipeline.registerFunction=function(e,n){n in t.Pipeline.registeredFunctions&&t.utils.warn("Overwriting existing registered function: "+n),e.label=n,t.Pipeline.registeredFunctions[n]=e},t.Pipeline.getRegisteredFunction=function(e){return e in t.Pipeline.registeredFunctions!=!0?null:t.Pipeline.registeredFunctions[e]},t.Pipeline.warnIfFunctionNotRegistered=function(e){var n=e.label&&e.label in this.registeredFunctions;n||t.utils.warn("Function is not registered with pipeline. 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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();oSQLGlot\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.

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

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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.

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

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Table of Contents

\n\n\n\n

Install

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From PyPI:

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pip3 install sqlglot\n
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Or with a local checkout:

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make install\n
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Requirements for development (optional):

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

Get in Touch

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

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Examples

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Formatting and Transpiling

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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:

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\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:

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\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
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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
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\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
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Metadata

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

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\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
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Parser Errors

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

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\n
import sqlglot\nsqlglot.transpile("SELECT foo( FROM bar")\n
\n
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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:

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\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

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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

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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

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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
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See also: Semantic Diff for SQL.

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Custom Dialects

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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='140512212685136'>], List[<MagicMock id='140512212685136'>], Tuple]],\tschema: Optional[<MagicMock id='140512212632768'>] = 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='140512217589712'>,\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='140512217372640'>] = 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='140512213181888'>,\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='140512213212256'>], <MagicMock id='140512213212256'>, 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='140512211332416'>],\t*cols: <MagicMock id='140512211476032'>) -> 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='140512213723520'>, 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='140512211539456'>, 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='140512211530224'>, 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='140512211656352'>],\tfunc_name: str,\t*args: Optional[<MagicMock id='140512211702864'>]) -> 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='140512211833936'>],\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='140512211366576'>,\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='140512211984032'>,\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='140512212096848'>, Iterable[<MagicMock id='140512212096848'>]]):", "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='140512212218784'>,\tupperBound: <MagicMock id='140512212292832'>) -> 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='140512212334048'>) -> 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='140512209413808'>, List[<MagicMock id='140512209413808'>]]) -> 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='140512209283600'>, List[<MagicMock id='140512209283600'>]]) -> 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='140512209559296'>, List[<MagicMock id='140512209559296'>]]) -> 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='140512209618832'>, List[<MagicMock id='140512209618832'>]]) -> 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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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": "

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

\n", "signature": "(\tself,\texpression_type: Union[str, Type[sqlglot.expressions.Expression], Collection[Union[str, Type[sqlglot.expressions.Expression]]]],\tsql: str,\t**opts) -> List[Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.dialects.dialect.Dialect.generate": {"fullname": "sqlglot.dialects.dialect.Dialect.generate", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect.generate", "kind": "function", "doc": "

\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.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": "

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\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": "

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\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": "

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\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.

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\n", "signature": "(\tself: sqlglot.generator.Generator,\texpression: sqlglot.expressions.DateStrToDate) -> 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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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": {"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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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):", "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):", "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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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):", "funcdef": "def"}, "sqlglot.dialects.mysql.MySQL.Generator.setitem_sql": {"fullname": "sqlglot.dialects.mysql.MySQL.Generator.setitem_sql", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Generator.setitem_sql", "kind": "function", "doc": "

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

\n", "signature": "(self, expression):", "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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.query_modifiers": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator.query_modifiers", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator.query_modifiers", "kind": "function", "doc": "

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

\n", "signature": "(self, expression: sqlglot.expressions.Table, sep: str = ' ') -> 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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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):", "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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.ilikeany_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.ilikeany_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.ilikeany_sql", "kind": "function", "doc": "

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

\n", "signature": "(self, expression: sqlglot.expressions.LikeAny) -> str:", "funcdef": "def"}, "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):", "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):", "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.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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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):", "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.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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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": "

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\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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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": "

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\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.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 (type): 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, bfs=True):", "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 (type): the expression type(s) to match.
    • \n
\n\n
Returns:
\n\n
\n

The generator object.

\n
\n", "signature": "(self, *expression_types, bfs=True):", "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 (type): the expression type(s) to match.
    • \n
\n\n
Returns:
\n\n
\n

The parent node.

\n
\n", "signature": "(self, *expression_types):", "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.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", "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.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.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.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.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.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.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.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.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.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.VolatilityProperty": {"fullname": "sqlglot.expressions.VolatilityProperty", "modulename": "sqlglot.expressions", "qualname": "VolatilityProperty", "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: 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: 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.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": "

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

\n", "bases": "Binary"}, "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.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.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.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": "Func"}, "sqlglot.expressions.ArrayFilter": {"fullname": "sqlglot.expressions.ArrayFilter", "modulename": "sqlglot.expressions", "qualname": "ArrayFilter", "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.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.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.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.Hex": {"fullname": "sqlglot.expressions.Hex", "modulename": "sqlglot.expressions", "qualname": "Hex", "kind": "class", "doc": "

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

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

Oracle/Snowflake decode.\nhttps://docs.oracle.com/cd/B19306_01/server.102/b14200/functions040.htm\nPattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)

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

\n", "bases": "AggFunc"}, "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.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.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: 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: 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 (Dict[str, Any]): dictionary of properties to set which are\nauto converted to sql objects eg None -> NULL
    • \n
  • where (str): sql conditional parsed into a WHERE statement
    • \n
  • from_ (str): sql statement parsed into a FROM statement
    • \n
  • dialect (str): 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,\tproperties,\twhere=None,\tfrom_=None,\tdialect=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 (str|Condition): sql conditional parsed into a WHERE statement
    • \n
  • dialect (str): 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": "(table, where=None, dialect=None, **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: 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
  • schema: schema 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,\tschema: 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: 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):", "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 ? = ?"), "a", "b", tbl="foo"\n... ).sql()\n'SELECT * FROM foo WHERE a = 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
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=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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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\n

Returns\n the SQL string.

\n", "signature": "(self, expression: Optional[sqlglot.expressions.Expression]) -> 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": "(self, sql: str, expression: sqlglot.expressions.Expression) -> 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": "

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\n", "signature": "(self, expression: sqlglot.expressions.Like) -> 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: sqlglot.expressions.Expression,\tkey: Optional[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.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
  • 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": "(expressions: List[Optional[~E]], offset: 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: Optional[sqlglot.expressions.Expression],\tfunc: Callable[[Optional[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.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>)"}, "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 0x7fcb8dd0eef0>, <function qualify_columns at 0x7fcb8dd0de10>, <function expand_laterals at 0x7fcb8dd0c550>),\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
\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> 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.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.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("(x AND y) OR z")\n>>> normalize(expression).sql()\n'(x OR z) AND (y OR z)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to normalize
    • \n
  • dnf (bool): rewrite in disjunctive normal form instead
    • \n
  • max_distance (int): the maximal estimated distance from cnf to attempt conversion
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: normalized expression

\n
\n", "signature": "(expression, dnf=False, max_distance=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):", "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 0x7fcb8dd0c820>, <function qualify_tables at 0x7fcb8dd0eef0>, <function isolate_table_selects at 0x7fcb8dd0c790>, <function qualify_columns at 0x7fcb8dd0de10>, <function expand_laterals at 0x7fcb8dd0c550>, <function pushdown_projections at 0x7fcb8dd0e8c0>, <function validate_qualify_columns at 0x7fcb8dd0dea0>, <function normalize at 0x7fcb8dcc24d0>, <function unnest_subqueries at 0x7fcb8dd0f010>, <function expand_multi_table_selects at 0x7fcb8dd0c700>, <function pushdown_predicates at 0x7fcb8dd0d900>, <function optimize_joins at 0x7fcb8dd0d630>, <function eliminate_subqueries at 0x7fcb8dd0c160>, <function merge_subqueries at 0x7fcb8dd0caf0>, <function eliminate_joins at 0x7fcb8dcc2320>, <function eliminate_ctes at 0x7fcb8dcc2200>, <function annotate_types at 0x7fcb8dc9b130>, <function canonicalize at 0x7fcb8dcc1e10>),\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
\n\n
Returns:
\n\n
\n

sqlglot.Expression: optimized expression

\n
\n", "signature": "(expression, schema=None):", "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):", "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):", "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):", "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):", "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):", "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.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):", "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[sqlglot.expressions.Expression],\tcomments: Optional[List[str]] = None,\t**kwargs) -> sqlglot.expressions.Expression:", "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": "(schema: Any) -> 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]):", "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.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.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": "

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\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.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,\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.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.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 other expressions.\nThis transforms removes the precision from parameterized types in expressions.

\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
  • to_sql: final transform that converts the resulting expression to a SQL string.
    • \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]],\tto_sql: Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:", "funcdef": "def"}, "sqlglot.transforms.delegate": {"fullname": "sqlglot.transforms.delegate", "modulename": "sqlglot.transforms", "qualname": "delegate", "kind": "function", "doc": "

Create a new method that delegates to attr. This is useful for creating Generator.TRANSFORMS\nfunctions that delegate to existing generator methods.

\n", "signature": "(attr: str) -> Callable:", "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
\n\n
Returns:
\n\n
\n

The trie corresponding to keywords.

\n
\n", "signature": "(keywords: Iterable[Sequence[Hashable]]) -> 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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{"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.

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

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

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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.

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

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Table of Contents

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Install

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From PyPI:

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pip3 install sqlglot\n
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Or with a local checkout:

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make install\n
\n\n

Requirements for development (optional):

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

Get in Touch

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

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Examples

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Formatting and Transpiling

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

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\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:

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\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
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\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='140472806286400'>], List[<MagicMock id='140472806286400'>], Tuple]],\tschema: Optional[<MagicMock id='140472806820784'>] = 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='140472811025888'>,\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='140472809295296'>] = 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='140472806747648'>,\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='140472804979616'>], <MagicMock id='140472804979616'>, 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='140472805135488'>],\t*cols: <MagicMock id='140472805162720'>) -> 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='140472807220864'>, 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='140472805310912'>, 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='140472805659008'>, 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='140472805529376'>],\tfunc_name: str,\t*args: Optional[<MagicMock id='140472805471088'>]) -> 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='140472805366256'>],\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='140472805069328'>,\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='140472805078736'>,\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": "

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\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='140472803821888'>, Iterable[<MagicMock id='140472803821888'>]]):", "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='140472803925808'>,\tupperBound: <MagicMock id='140472803947520'>) -> 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='140472804005232'>) -> 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='140472804320848'>, List[<MagicMock id='140472804320848'>]]) -> 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='140472804438944'>, List[<MagicMock id='140472804438944'>]]) -> 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='140472804166576'>, List[<MagicMock id='140472804166576'>]]) -> 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='140472804365008'>, List[<MagicMock id='140472804365008'>]]) -> 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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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
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\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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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": "

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

\n", "signature": "(\tself,\texpression_type: Union[str, Type[sqlglot.expressions.Expression], Collection[Union[str, Type[sqlglot.expressions.Expression]]]],\tsql: str,\t**opts) -> List[Optional[sqlglot.expressions.Expression]]:", "funcdef": "def"}, "sqlglot.dialects.dialect.Dialect.generate": {"fullname": "sqlglot.dialects.dialect.Dialect.generate", "modulename": "sqlglot.dialects.dialect", "qualname": "Dialect.generate", "kind": "function", "doc": "

\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.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.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.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.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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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": {"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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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):", "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):", "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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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):", "funcdef": "def"}, "sqlglot.dialects.mysql.MySQL.Generator.setitem_sql": {"fullname": "sqlglot.dialects.mysql.MySQL.Generator.setitem_sql", "modulename": "sqlglot.dialects.mysql", "qualname": "MySQL.Generator.setitem_sql", "kind": "function", "doc": "

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

\n", "signature": "(self, expression):", "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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.query_modifiers": {"fullname": "sqlglot.dialects.oracle.Oracle.Generator.query_modifiers", "modulename": "sqlglot.dialects.oracle", "qualname": "Oracle.Generator.query_modifiers", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Expression, *sqls: str) -> str:", "funcdef": "def"}, "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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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):", "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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.ilikeany_sql": {"fullname": "sqlglot.dialects.snowflake.Snowflake.Generator.ilikeany_sql", "modulename": "sqlglot.dialects.snowflake", "qualname": "Snowflake.Generator.ilikeany_sql", "kind": "function", "doc": "

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

\n", "signature": "(self, expression: sqlglot.expressions.LikeAny) -> str:", "funcdef": "def"}, "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):", "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):", "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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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):", "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.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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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.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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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.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 (type): 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 (type): 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 (type): 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.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", "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.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.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.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.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.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.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.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.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.VolatilityProperty": {"fullname": "sqlglot.expressions.VolatilityProperty", "modulename": "sqlglot.expressions", "qualname": "VolatilityProperty", "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: 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: 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.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": "

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

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

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

Oracle/Snowflake decode.\nhttps://docs.oracle.com/cd/B19306_01/server.102/b14200/functions040.htm\nPattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)

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

\n", "bases": "AggFunc"}, "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.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: 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: 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 (Dict[str, Any]): dictionary of properties to set which are\nauto converted to sql objects eg None -> NULL
    • \n
  • where (str): sql conditional parsed into a WHERE statement
    • \n
  • from_ (str): sql statement parsed into a FROM statement
    • \n
  • dialect (str): 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,\tproperties,\twhere=None,\tfrom_=None,\tdialect=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 (str|Condition): sql conditional parsed into a WHERE statement
    • \n
  • dialect (str): 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": "(table, where=None, dialect=None, **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: 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
  • schema: schema 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,\tschema: 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: 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):", "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 ? = ?"), "a", "b", tbl="foo"\n... ).sql()\n'SELECT * FROM foo WHERE a = 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
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=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): if set to True all identifiers will be delimited by the corresponding\ncharacter.
    • \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\n

Returns\n the SQL string.

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\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": "

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\n", "signature": "(self, sql: str, expression: sqlglot.expressions.Expression) -> 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.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.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.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, properties: sqlglot.expressions.Properties) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.locate_properties": {"fullname": "sqlglot.generator.Generator.locate_properties", "modulename": "sqlglot.generator", "qualname": "Generator.locate_properties", "kind": "function", "doc": "

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\n", "signature": "(self, expression: sqlglot.expressions.Property) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.likeproperty_sql": {"fullname": "sqlglot.generator.Generator.likeproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.likeproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.LikeProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.fallbackproperty_sql": {"fullname": "sqlglot.generator.Generator.fallbackproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.fallbackproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.FallbackProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.journalproperty_sql": {"fullname": "sqlglot.generator.Generator.journalproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.journalproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.JournalProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.freespaceproperty_sql": {"fullname": "sqlglot.generator.Generator.freespaceproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.freespaceproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.FreespaceProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.afterjournalproperty_sql": {"fullname": "sqlglot.generator.Generator.afterjournalproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.afterjournalproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.AfterJournalProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.checksumproperty_sql": {"fullname": "sqlglot.generator.Generator.checksumproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.checksumproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.ChecksumProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.mergeblockratioproperty_sql": {"fullname": "sqlglot.generator.Generator.mergeblockratioproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.mergeblockratioproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.MergeBlockRatioProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.datablocksizeproperty_sql": {"fullname": "sqlglot.generator.Generator.datablocksizeproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.datablocksizeproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.DataBlocksizeProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.blockcompressionproperty_sql": {"fullname": "sqlglot.generator.Generator.blockcompressionproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.blockcompressionproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.BlockCompressionProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.isolatedloadingproperty_sql": {"fullname": "sqlglot.generator.Generator.isolatedloadingproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.isolatedloadingproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.IsolatedLoadingProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.lockingproperty_sql": {"fullname": "sqlglot.generator.Generator.lockingproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.lockingproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.LockingProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.withdataproperty_sql": {"fullname": "sqlglot.generator.Generator.withdataproperty_sql", "modulename": "sqlglot.generator", "qualname": "Generator.withdataproperty_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.WithDataProperty) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.insert_sql": {"fullname": "sqlglot.generator.Generator.insert_sql", "modulename": "sqlglot.generator", "qualname": "Generator.insert_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.Insert) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.intersect_sql": {"fullname": "sqlglot.generator.Generator.intersect_sql", "modulename": "sqlglot.generator", "qualname": "Generator.intersect_sql", "kind": "function", "doc": "

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\n", "signature": "(self, expression: sqlglot.expressions.BitwiseOr) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.bitwiserightshift_sql": {"fullname": "sqlglot.generator.Generator.bitwiserightshift_sql", "modulename": "sqlglot.generator", "qualname": "Generator.bitwiserightshift_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.BitwiseRightShift) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.bitwisexor_sql": {"fullname": "sqlglot.generator.Generator.bitwisexor_sql", "modulename": "sqlglot.generator", "qualname": "Generator.bitwisexor_sql", "kind": "function", "doc": "

\n", "signature": "(self, expression: sqlglot.expressions.BitwiseXor) -> str:", "funcdef": "def"}, "sqlglot.generator.Generator.cast_sql": {"fullname": "sqlglot.generator.Generator.cast_sql", "modulename": "sqlglot.generator", "qualname": "Generator.cast_sql", "kind": "function", "doc": "

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

\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, *_) -> 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.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.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: sqlglot.expressions.Expression,\tkey: Optional[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.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
  • 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": "(expressions: List[Optional[~E]], offset: 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: Optional[sqlglot.expressions.Expression],\tfunc: Callable[[Optional[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.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>)"}, "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 0x7fc261078040>, <function qualify_columns at 0x7fc26108aef0>, <function expand_laterals at 0x7fc2610896c0>),\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
\n", "signature": "(\texpression: sqlglot.expressions.Expression) -> 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.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.

\n\n
Example:
\n\n
\n
\n
>>> import sqlglot\n>>> expression = sqlglot.parse_one("(x AND y) OR z")\n>>> normalize(expression).sql()\n'(x OR z) AND (y OR z)'\n
\n
\n
\n\n
Arguments:
\n\n
    \n
  • expression (sqlglot.Expression): expression to normalize
    • \n
  • dnf (bool): rewrite in disjunctive normal form instead
    • \n
  • max_distance (int): the maximal estimated distance from cnf to attempt conversion
    • \n
\n\n
Returns:
\n\n
\n

sqlglot.Expression: normalized expression

\n
\n", "signature": "(expression, dnf=False, max_distance=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):", "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 0x7fc261089990>, <function qualify_tables at 0x7fc261078040>, <function isolate_table_selects at 0x7fc261089900>, <function qualify_columns at 0x7fc26108aef0>, <function expand_laterals at 0x7fc2610896c0>, <function pushdown_projections at 0x7fc26108b9a0>, <function validate_qualify_columns at 0x7fc26108af80>, <function normalize at 0x7fc26109b640>, <function unnest_subqueries at 0x7fc261078160>, <function expand_multi_table_selects at 0x7fc261089870>, <function pushdown_predicates at 0x7fc26108aa70>, <function optimize_joins at 0x7fc26108a7a0>, <function eliminate_subqueries at 0x7fc2610892d0>, <function merge_subqueries at 0x7fc261089c60>, <function eliminate_joins at 0x7fc26109b520>, <function eliminate_ctes at 0x7fc26109b400>, <function annotate_types at 0x7fc260ff4310>, <function canonicalize at 0x7fc26109b010>),\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):", "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):", "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):", "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):", "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):", "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.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):", "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[sqlglot.expressions.Expression],\tcomments: Optional[List[str]] = None,\t**kwargs) -> sqlglot.expressions.Expression:", "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": "(schema: Any) -> 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]):", "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": "

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\n", "default_value": "<TokenType.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>"}, "sqlglot.tokens.TokenType.DATETIME": {"fullname": "sqlglot.tokens.TokenType.DATETIME", "modulename": "sqlglot.tokens", "qualname": "TokenType.DATETIME", "kind": "variable", "doc": "

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\n", "default_value": "<TokenType.DATE: 'DATE'>"}, "sqlglot.tokens.TokenType.UUID": {"fullname": "sqlglot.tokens.TokenType.UUID", "modulename": "sqlglot.tokens", "qualname": "TokenType.UUID", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.UUID: 'UUID'>"}, "sqlglot.tokens.TokenType.GEOGRAPHY": {"fullname": "sqlglot.tokens.TokenType.GEOGRAPHY", "modulename": "sqlglot.tokens", "qualname": "TokenType.GEOGRAPHY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.GEOGRAPHY: 'GEOGRAPHY'>"}, "sqlglot.tokens.TokenType.NULLABLE": {"fullname": "sqlglot.tokens.TokenType.NULLABLE", "modulename": "sqlglot.tokens", "qualname": "TokenType.NULLABLE", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.NULLABLE: 'NULLABLE'>"}, "sqlglot.tokens.TokenType.GEOMETRY": {"fullname": "sqlglot.tokens.TokenType.GEOMETRY", "modulename": "sqlglot.tokens", "qualname": "TokenType.GEOMETRY", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.GEOMETRY: 'GEOMETRY'>"}, "sqlglot.tokens.TokenType.HLLSKETCH": {"fullname": "sqlglot.tokens.TokenType.HLLSKETCH", "modulename": "sqlglot.tokens", "qualname": "TokenType.HLLSKETCH", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.HLLSKETCH: 'HLLSKETCH'>"}, "sqlglot.tokens.TokenType.HSTORE": {"fullname": "sqlglot.tokens.TokenType.HSTORE", "modulename": "sqlglot.tokens", "qualname": "TokenType.HSTORE", "kind": "variable", "doc": "

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\n", "default_value": "<TokenType.SUPER: 'SUPER'>"}, "sqlglot.tokens.TokenType.SERIAL": {"fullname": "sqlglot.tokens.TokenType.SERIAL", "modulename": "sqlglot.tokens", "qualname": "TokenType.SERIAL", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SERIAL: 'SERIAL'>"}, "sqlglot.tokens.TokenType.SMALLSERIAL": {"fullname": "sqlglot.tokens.TokenType.SMALLSERIAL", "modulename": "sqlglot.tokens", "qualname": "TokenType.SMALLSERIAL", "kind": "variable", "doc": "

\n", "default_value": "<TokenType.SMALLSERIAL: 'SMALLSERIAL'>"}, "sqlglot.tokens.TokenType.BIGSERIAL": {"fullname": "sqlglot.tokens.TokenType.BIGSERIAL", "modulename": "sqlglot.tokens", "qualname": "TokenType.BIGSERIAL", "kind": "variable", "doc": "

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\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,\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.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.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 other expressions.\nThis transforms removes the precision from parameterized types in expressions.

\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
  • to_sql: final transform that converts the resulting expression to a SQL string.
    • \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]],\tto_sql: Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]) -> Callable[[sqlglot.generator.Generator, sqlglot.expressions.Expression], str]:", "funcdef": "def"}, "sqlglot.transforms.delegate": {"fullname": "sqlglot.transforms.delegate", "modulename": "sqlglot.transforms", "qualname": "delegate", "kind": "function", "doc": "

Create a new method that delegates to attr. This is useful for creating Generator.TRANSFORMS\nfunctions that delegate to existing generator methods.

\n", "signature": "(attr: str) -> Callable:", "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
\n\n
Returns:
\n\n
\n

The trie corresponding to keywords.

\n
\n", "signature": "(keywords: Iterable[Sequence[Hashable]]) -> 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": 5685}, "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": 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53"""Whether to format generated SQL by default.""" diff --git a/docs/sqlglot/dataframe/sql.html b/docs/sqlglot/dataframe/sql.html index 3298708..9c49563 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='140512212685136'>], List[<MagicMock id='140512212685136'>], Tuple]], schema: Optional[<MagicMock id='140512212632768'>] = None, samplingRatio: Optional[float] = None, verifySchema: bool = False) -> sqlglot.dataframe.sql.DataFrame: + createDataFrame( self, data: Sequence[Union[Dict[str, <MagicMock id='140472806286400'>], List[<MagicMock id='140472806286400'>], Tuple]], schema: Optional[<MagicMock id='140472806820784'>] = None, samplingRatio: Optional[float] = None, verifySchema: bool = False) -> sqlglot.dataframe.sql.DataFrame: @@ -949,7 +949,7 @@ 261 @classmethod 262 def _get_outer_select_columns(cls, item: t.Union[exp.Expression, DataFrame]) -> t.List[Column]: 263 expression = item.expression if isinstance(item, DataFrame) else item -264 return [Column(x) for x in expression.find(exp.Select).expressions] +264 return [Column(x) for x in (expression.find(exp.Select) or exp.Select()).expressions] 265 266 @classmethod 267 def _create_hash_from_expression(cls, expression: exp.Select): @@ -1476,7 +1476,7 @@
- DataFrame( spark: <MagicMock id='140512217589712'>, 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='140512217372640'>] = None, **kwargs) + DataFrame( spark: <MagicMock id='140472811025888'>, 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='140472809295296'>] = None, **kwargs) @@ -2214,7 +2214,7 @@ is unlikely to come up.

@operation(Operation.FROM)
def - fillna( self, value: <MagicMock id='140512213181888'>, subset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.DataFrame: + fillna( self, value: <MagicMock id='140472806747648'>, subset: Union[str, Tuple[str, ...], List[str], NoneType] = None) -> sqlglot.dataframe.sql.DataFrame: @@ -2283,7 +2283,7 @@ 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='140512213212256'>], <MagicMock id='140512213212256'>, 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='140472804979616'>], <MagicMock id='140472804979616'>, NoneType] = None) -> sqlglot.dataframe.sql.DataFrame: @@ -2488,7 +2488,7 @@ 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='140512211332416'>], *cols: <MagicMock id='140512211476032'>) -> sqlglot.dataframe.sql.DataFrame: + repartition( self, numPartitions: Union[int, <MagicMock id='140472805135488'>], *cols: <MagicMock id='140472805162720'>) -> sqlglot.dataframe.sql.DataFrame: @@ -3156,7 +3156,7 @@ and check if it matches the type of the value provided. If not then make it null
- Column( expression: Union[<MagicMock id='140512213723520'>, sqlglot.expressions.Expression, NoneType]) + Column( expression: Union[<MagicMock id='140472807220864'>, sqlglot.expressions.Expression, NoneType]) @@ -3184,7 +3184,7 @@ 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='140512211539456'>, sqlglot.expressions.Expression, NoneType]): + ensure_col( cls, value: Union[<MagicMock id='140472805310912'>, sqlglot.expressions.Expression, NoneType]): @@ -3205,7 +3205,7 @@ 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='140512211530224'>, sqlglot.expressions.Expression]]) -> List[sqlglot.dataframe.sql.Column]: + ensure_cols( cls, args: List[Union[<MagicMock id='140472805659008'>, sqlglot.expressions.Expression]]) -> List[sqlglot.dataframe.sql.Column]: @@ -3226,7 +3226,7 @@ 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='140512211656352'>], func_name: str, *args: Optional[<MagicMock id='140512211702864'>]) -> sqlglot.dataframe.sql.Column: + invoke_anonymous_function( cls, column: Optional[<MagicMock id='140472805529376'>], func_name: str, *args: Optional[<MagicMock id='140472805471088'>]) -> sqlglot.dataframe.sql.Column: @@ -3253,7 +3253,7 @@ 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='140512211833936'>], callable_expression: Callable, **kwargs) -> sqlglot.dataframe.sql.Column: + invoke_expression_over_column( cls, column: Optional[<MagicMock id='140472805366256'>], callable_expression: Callable, **kwargs) -> sqlglot.dataframe.sql.Column: @@ -3290,7 +3290,7 @@ 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='140512211366576'>, **kwargs) -> sqlglot.dataframe.sql.Column: + binary_op( self, klass: Callable, other: <MagicMock id='140472805069328'>, **kwargs) -> sqlglot.dataframe.sql.Column: @@ -3311,7 +3311,7 @@ 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='140512211984032'>, **kwargs) -> sqlglot.dataframe.sql.Column: + inverse_binary_op( self, klass: Callable, other: <MagicMock id='140472805078736'>, **kwargs) -> sqlglot.dataframe.sql.Column: @@ -3821,7 +3821,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

def - isin( self, *cols: Union[<MagicMock id='140512212096848'>, Iterable[<MagicMock id='140512212096848'>]]): + isin( self, *cols: Union[<MagicMock id='140472803821888'>, Iterable[<MagicMock id='140472803821888'>]]): @@ -3842,7 +3842,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

def - between( self, lowerBound: <MagicMock id='140512212218784'>, upperBound: <MagicMock id='140512212292832'>) -> sqlglot.dataframe.sql.Column: + between( self, lowerBound: <MagicMock id='140472803925808'>, upperBound: <MagicMock id='140472803947520'>) -> sqlglot.dataframe.sql.Column: @@ -3877,7 +3877,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

def - over( self, window: <MagicMock id='140512212334048'>) -> sqlglot.dataframe.sql.Column: + over( self, window: <MagicMock id='140472804005232'>) -> sqlglot.dataframe.sql.Column: @@ -4075,7 +4075,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

@classmethod
def - partitionBy( cls, *cols: Union[<MagicMock id='140512209413808'>, List[<MagicMock id='140512209413808'>]]) -> sqlglot.dataframe.sql.WindowSpec: + partitionBy( cls, *cols: Union[<MagicMock id='140472804320848'>, List[<MagicMock id='140472804320848'>]]) -> sqlglot.dataframe.sql.WindowSpec: @@ -4096,7 +4096,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

@classmethod
def - orderBy( cls, *cols: Union[<MagicMock id='140512209283600'>, List[<MagicMock id='140512209283600'>]]) -> sqlglot.dataframe.sql.WindowSpec: + orderBy( cls, *cols: Union[<MagicMock id='140472804438944'>, List[<MagicMock id='140472804438944'>]]) -> sqlglot.dataframe.sql.WindowSpec: @@ -4321,7 +4321,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

def - partitionBy( self, *cols: Union[<MagicMock id='140512209559296'>, List[<MagicMock id='140512209559296'>]]) -> sqlglot.dataframe.sql.WindowSpec: + partitionBy( self, *cols: Union[<MagicMock id='140472804166576'>, List[<MagicMock id='140472804166576'>]]) -> sqlglot.dataframe.sql.WindowSpec: @@ -4348,7 +4348,7 @@ Sqlglot doesn't currently replicate this class so it only accepts a string

def - orderBy( self, *cols: Union[<MagicMock id='140512209618832'>, List[<MagicMock id='140512209618832'>]]) -> sqlglot.dataframe.sql.WindowSpec: + orderBy( self, *cols: Union[<MagicMock id='140472804365008'>, List[<MagicMock id='140472804365008'>]]) -> sqlglot.dataframe.sql.WindowSpec: diff --git a/docs/sqlglot/dialects/bigquery.html b/docs/sqlglot/dialects/bigquery.html index 2d180a8..d994538 100644 --- a/docs/sqlglot/dialects/bigquery.html +++ b/docs/sqlglot/dialects/bigquery.html @@ -138,264 +138,268 @@ 38) -> t.Callable[[generator.Generator, exp.Expression], str]: 39 def func(self, expression): 40 this = self.sql(expression, "this") - 41 return f"{data_type}_{kind}({this}, {self.sql(exp.Interval(this=expression.expression, unit=expression.args.get('unit') or exp.Literal.string('day')))})" - 42 - 43 return func - 44 + 41 unit = expression.args.get("unit") + 42 unit = exp.var(unit.name.upper() if unit else "DAY") + 43 interval = exp.Interval(this=expression.expression, unit=unit) + 44 return f"{data_type}_{kind}({this}, {self.sql(interval)})" 45 - 46def _derived_table_values_to_unnest(self: generator.Generator, expression: exp.Values) -> str: - 47 if not isinstance(expression.unnest().parent, exp.From): - 48 expression = t.cast(exp.Values, transforms.remove_precision_parameterized_types(expression)) - 49 return self.values_sql(expression) - 50 rows = [tuple_exp.expressions for tuple_exp in expression.find_all(exp.Tuple)] - 51 structs = [] - 52 for row in rows: - 53 aliases = [ - 54 exp.alias_(value, column_name) - 55 for value, column_name in zip(row, expression.args["alias"].args["columns"]) - 56 ] - 57 structs.append(exp.Struct(expressions=aliases)) - 58 unnest_exp = exp.Unnest(expressions=[exp.Array(expressions=structs)]) - 59 return self.unnest_sql(unnest_exp) - 60 - 61 - 62def _returnsproperty_sql(self: generator.Generator, expression: exp.ReturnsProperty) -> str: - 63 this = expression.this - 64 if isinstance(this, exp.Schema): - 65 this = f"{this.this} <{self.expressions(this)}>" - 66 else: - 67 this = self.sql(this) - 68 return f"RETURNS {this}" - 69 - 70 - 71def _create_sql(self: generator.Generator, expression: exp.Create) -> str: - 72 kind = expression.args["kind"] - 73 returns = expression.find(exp.ReturnsProperty) - 74 if kind.upper() == "FUNCTION" and returns and returns.args.get("is_table"): - 75 expression = expression.copy() - 76 expression.set("kind", "TABLE FUNCTION") - 77 if isinstance( - 78 expression.expression, - 79 ( - 80 exp.Subquery, - 81 exp.Literal, - 82 ), - 83 ): - 84 expression.set("expression", expression.expression.this) - 85 - 86 return self.create_sql(expression) - 87 - 88 return self.create_sql(expression) - 89 + 46 return func + 47 + 48 + 49def _derived_table_values_to_unnest(self: generator.Generator, expression: exp.Values) -> str: + 50 if not isinstance(expression.unnest().parent, exp.From): + 51 expression = t.cast(exp.Values, transforms.remove_precision_parameterized_types(expression)) + 52 return self.values_sql(expression) + 53 rows = [tuple_exp.expressions for tuple_exp in expression.find_all(exp.Tuple)] + 54 structs = [] + 55 for row in rows: + 56 aliases = [ + 57 exp.alias_(value, column_name) + 58 for value, column_name in zip(row, expression.args["alias"].args["columns"]) + 59 ] + 60 structs.append(exp.Struct(expressions=aliases)) + 61 unnest_exp = exp.Unnest(expressions=[exp.Array(expressions=structs)]) + 62 return self.unnest_sql(unnest_exp) + 63 + 64 + 65def _returnsproperty_sql(self: generator.Generator, expression: exp.ReturnsProperty) -> str: + 66 this = expression.this + 67 if isinstance(this, exp.Schema): + 68 this = f"{this.this} <{self.expressions(this)}>" + 69 else: + 70 this = self.sql(this) + 71 return f"RETURNS {this}" + 72 + 73 + 74def _create_sql(self: generator.Generator, expression: exp.Create) -> str: + 75 kind = expression.args["kind"] + 76 returns = expression.find(exp.ReturnsProperty) + 77 if kind.upper() == "FUNCTION" and returns and returns.args.get("is_table"): + 78 expression = expression.copy() + 79 expression.set("kind", "TABLE FUNCTION") + 80 if isinstance( + 81 expression.expression, + 82 ( + 83 exp.Subquery, + 84 exp.Literal, + 85 ), + 86 ): + 87 expression.set("expression", expression.expression.this) + 88 + 89 return self.create_sql(expression) 90 - 91def _unqualify_unnest(expression: exp.Expression) -> exp.Expression: - 92 """Remove references to unnest table aliases since bigquery doesn't allow them. + 91 return self.create_sql(expression) + 92 93 - 94 These are added by the optimizer's qualify_column step. - 95 """ - 96 if isinstance(expression, exp.Select): - 97 unnests = { - 98 unnest.alias - 99 for unnest in expression.args.get("from", exp.From(expressions=[])).expressions -100 if isinstance(unnest, exp.Unnest) and unnest.alias -101 } -102 -103 if unnests: -104 expression = expression.copy() + 94def _unqualify_unnest(expression: exp.Expression) -> exp.Expression: + 95 """Remove references to unnest table aliases since bigquery doesn't allow them. + 96 + 97 These are added by the optimizer's qualify_column step. + 98 """ + 99 if isinstance(expression, exp.Select): +100 unnests = { +101 unnest.alias +102 for unnest in expression.args.get("from", exp.From(expressions=[])).expressions +103 if isinstance(unnest, exp.Unnest) and unnest.alias +104 } 105 -106 for select in expression.expressions: -107 for column in select.find_all(exp.Column): -108 if column.table in unnests: -109 column.set("table", None) -110 -111 return expression -112 +106 if unnests: +107 expression = expression.copy() +108 +109 for select in expression.expressions: +110 for column in select.find_all(exp.Column): +111 if column.table in unnests: +112 column.set("table", None) 113 -114class BigQuery(Dialect): -115 unnest_column_only = True -116 time_mapping = { -117 "%M": "%-M", -118 "%d": "%-d", -119 "%m": "%-m", -120 "%y": "%-y", -121 "%H": "%-H", -122 "%I": "%-I", -123 "%S": "%-S", -124 "%j": "%-j", -125 } -126 -127 class Tokenizer(tokens.Tokenizer): -128 QUOTES = [ -129 (prefix + quote, quote) if prefix else quote -130 for quote in ["'", '"', '"""', "'''"] -131 for prefix in ["", "r", "R"] -132 ] -133 COMMENTS = ["--", "#", ("/*", "*/")] -134 IDENTIFIERS = ["`"] -135 STRING_ESCAPES = ["\\"] -136 HEX_STRINGS = [("0x", ""), ("0X", "")] -137 -138 KEYWORDS = { -139 **tokens.Tokenizer.KEYWORDS, -140 "BEGIN": TokenType.COMMAND, -141 "BEGIN TRANSACTION": TokenType.BEGIN, -142 "CURRENT_DATETIME": TokenType.CURRENT_DATETIME, -143 "CURRENT_TIME": TokenType.CURRENT_TIME, -144 "DECLARE": TokenType.COMMAND, -145 "GEOGRAPHY": TokenType.GEOGRAPHY, -146 "FLOAT64": TokenType.DOUBLE, -147 "INT64": TokenType.BIGINT, -148 "NOT DETERMINISTIC": TokenType.VOLATILE, -149 "UNKNOWN": TokenType.NULL, -150 } -151 KEYWORDS.pop("DIV") -152 -153 class Parser(parser.Parser): -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": _date_add(exp.DateAdd), -161 "DATETIME_ADD": _date_add(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": _date_add(exp.TimeAdd), -174 "TIMESTAMP_ADD": _date_add(exp.TimestampAdd), -175 "DATE_SUB": _date_add(exp.DateSub), -176 "DATETIME_SUB": _date_add(exp.DatetimeSub), -177 "TIME_SUB": _date_add(exp.TimeSub), -178 "TIMESTAMP_SUB": _date_add(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 TokenType.CURRENT_TIME: exp.CurrentTime, -194 } -195 -196 NESTED_TYPE_TOKENS = { -197 *parser.Parser.NESTED_TYPE_TOKENS, # type: ignore -198 TokenType.TABLE, -199 } -200 -201 ID_VAR_TOKENS = { -202 *parser.Parser.ID_VAR_TOKENS, # type: ignore -203 TokenType.VALUES, -204 } -205 -206 PROPERTY_PARSERS = { -207 **parser.Parser.PROPERTY_PARSERS, # type: ignore -208 "NOT DETERMINISTIC": lambda self: self.expression( -209 exp.VolatilityProperty, this=exp.Literal.string("VOLATILE") -210 ), -211 } -212 -213 class Generator(generator.Generator): -214 TRANSFORMS = { -215 **generator.Generator.TRANSFORMS, # type: ignore -216 **transforms.REMOVE_PRECISION_PARAMETERIZED_TYPES, # type: ignore -217 exp.ArraySize: rename_func("ARRAY_LENGTH"), -218 exp.DateAdd: _date_add_sql("DATE", "ADD"), -219 exp.DateSub: _date_add_sql("DATE", "SUB"), -220 exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"), -221 exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"), -222 exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})", -223 exp.DateStrToDate: datestrtodate_sql, -224 exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")), -225 exp.GroupConcat: rename_func("STRING_AGG"), -226 exp.ILike: no_ilike_sql, -227 exp.IntDiv: rename_func("DIV"), -228 exp.Select: transforms.preprocess( -229 [_unqualify_unnest], transforms.delegate("select_sql") -230 ), -231 exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})", -232 exp.TimeAdd: _date_add_sql("TIME", "ADD"), -233 exp.TimeSub: _date_add_sql("TIME", "SUB"), -234 exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"), -235 exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"), -236 exp.TimeStrToTime: timestrtotime_sql, -237 exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"), -238 exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}", -239 exp.VariancePop: rename_func("VAR_POP"), -240 exp.Values: _derived_table_values_to_unnest, -241 exp.ReturnsProperty: _returnsproperty_sql, -242 exp.Create: _create_sql, -243 exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression), -244 exp.VolatilityProperty: lambda self, e: f"DETERMINISTIC" -245 if e.name == "IMMUTABLE" -246 else "NOT DETERMINISTIC", -247 exp.RegexpLike: rename_func("REGEXP_CONTAINS"), -248 } -249 -250 TYPE_MAPPING = { -251 **generator.Generator.TYPE_MAPPING, # type: ignore -252 exp.DataType.Type.TINYINT: "INT64", -253 exp.DataType.Type.SMALLINT: "INT64", -254 exp.DataType.Type.INT: "INT64", -255 exp.DataType.Type.BIGINT: "INT64", -256 exp.DataType.Type.DECIMAL: "NUMERIC", -257 exp.DataType.Type.FLOAT: "FLOAT64", -258 exp.DataType.Type.DOUBLE: "FLOAT64", -259 exp.DataType.Type.BOOLEAN: "BOOL", -260 exp.DataType.Type.TEXT: "STRING", -261 exp.DataType.Type.VARCHAR: "STRING", -262 exp.DataType.Type.NVARCHAR: "STRING", -263 } -264 PROPERTIES_LOCATION = { -265 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -266 exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA, +114 return expression +115 +116 +117class BigQuery(Dialect): +118 unnest_column_only = True +119 time_mapping = { +120 "%M": "%-M", +121 "%d": "%-d", +122 "%m": "%-m", +123 "%y": "%-y", +124 "%H": "%-H", +125 "%I": "%-I", +126 "%S": "%-S", +127 "%j": "%-j", +128 } +129 +130 class Tokenizer(tokens.Tokenizer): +131 QUOTES = [ +132 (prefix + quote, quote) if prefix else quote +133 for quote in ["'", '"', '"""', "'''"] +134 for prefix in ["", "r", "R"] +135 ] +136 COMMENTS = ["--", "#", ("/*", "*/")] +137 IDENTIFIERS = ["`"] +138 STRING_ESCAPES = ["\\"] +139 HEX_STRINGS = [("0x", ""), ("0X", "")] +140 +141 KEYWORDS = { +142 **tokens.Tokenizer.KEYWORDS, +143 "BEGIN": TokenType.COMMAND, +144 "BEGIN TRANSACTION": TokenType.BEGIN, +145 "CURRENT_DATETIME": TokenType.CURRENT_DATETIME, +146 "CURRENT_TIME": TokenType.CURRENT_TIME, +147 "DECLARE": TokenType.COMMAND, +148 "GEOGRAPHY": TokenType.GEOGRAPHY, +149 "FLOAT64": TokenType.DOUBLE, +150 "INT64": TokenType.BIGINT, +151 "NOT DETERMINISTIC": TokenType.VOLATILE, +152 "UNKNOWN": TokenType.NULL, +153 } +154 KEYWORDS.pop("DIV") +155 +156 class Parser(parser.Parser): +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": _date_add(exp.DateAdd), +164 "DATETIME_ADD": _date_add(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": _date_add(exp.TimeAdd), +177 "TIMESTAMP_ADD": _date_add(exp.TimestampAdd), +178 "DATE_SUB": _date_add(exp.DateSub), +179 "DATETIME_SUB": _date_add(exp.DatetimeSub), +180 "TIME_SUB": _date_add(exp.TimeSub), +181 "TIMESTAMP_SUB": _date_add(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 TokenType.CURRENT_TIME: exp.CurrentTime, +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.VolatilityProperty, this=exp.Literal.string("VOLATILE") +213 ), +214 } +215 +216 class Generator(generator.Generator): +217 TRANSFORMS = { +218 **generator.Generator.TRANSFORMS, # type: ignore +219 **transforms.REMOVE_PRECISION_PARAMETERIZED_TYPES, # type: ignore +220 exp.ArraySize: rename_func("ARRAY_LENGTH"), +221 exp.DateAdd: _date_add_sql("DATE", "ADD"), +222 exp.DateSub: _date_add_sql("DATE", "SUB"), +223 exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"), +224 exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"), +225 exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})", +226 exp.DateStrToDate: datestrtodate_sql, +227 exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")), +228 exp.GroupConcat: rename_func("STRING_AGG"), +229 exp.ILike: no_ilike_sql, +230 exp.IntDiv: rename_func("DIV"), +231 exp.Select: transforms.preprocess( +232 [_unqualify_unnest], transforms.delegate("select_sql") +233 ), +234 exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})", +235 exp.TimeAdd: _date_add_sql("TIME", "ADD"), +236 exp.TimeSub: _date_add_sql("TIME", "SUB"), +237 exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"), +238 exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"), +239 exp.TimeStrToTime: timestrtotime_sql, +240 exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"), +241 exp.TsOrDsAdd: _date_add_sql("DATE", "ADD"), +242 exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}", +243 exp.VariancePop: rename_func("VAR_POP"), +244 exp.Values: _derived_table_values_to_unnest, +245 exp.ReturnsProperty: _returnsproperty_sql, +246 exp.Create: _create_sql, +247 exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression), +248 exp.VolatilityProperty: lambda self, e: f"DETERMINISTIC" +249 if e.name == "IMMUTABLE" +250 else "NOT DETERMINISTIC", +251 exp.RegexpLike: rename_func("REGEXP_CONTAINS"), +252 } +253 +254 TYPE_MAPPING = { +255 **generator.Generator.TYPE_MAPPING, # type: ignore +256 exp.DataType.Type.TINYINT: "INT64", +257 exp.DataType.Type.SMALLINT: "INT64", +258 exp.DataType.Type.INT: "INT64", +259 exp.DataType.Type.BIGINT: "INT64", +260 exp.DataType.Type.DECIMAL: "NUMERIC", +261 exp.DataType.Type.FLOAT: "FLOAT64", +262 exp.DataType.Type.DOUBLE: "FLOAT64", +263 exp.DataType.Type.BOOLEAN: "BOOL", +264 exp.DataType.Type.TEXT: "STRING", +265 exp.DataType.Type.VARCHAR: "STRING", +266 exp.DataType.Type.NVARCHAR: "STRING", 267 } -268 -269 EXPLICIT_UNION = True -270 -271 def array_sql(self, expression: exp.Array) -> str: -272 first_arg = seq_get(expression.expressions, 0) -273 if isinstance(first_arg, exp.Subqueryable): -274 return f"ARRAY{self.wrap(self.sql(first_arg))}" -275 -276 return inline_array_sql(self, expression) -277 -278 def transaction_sql(self, *_) -> str: -279 return "BEGIN TRANSACTION" -280 -281 def commit_sql(self, *_) -> str: -282 return "COMMIT TRANSACTION" -283 -284 def rollback_sql(self, *_) -> str: -285 return "ROLLBACK TRANSACTION" -286 -287 def in_unnest_op(self, expression: exp.Unnest) -> str: -288 return self.sql(expression) -289 -290 def except_op(self, expression: exp.Except) -> str: -291 if not expression.args.get("distinct", False): -292 self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery") -293 return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}" -294 -295 def intersect_op(self, expression: exp.Intersect) -> str: -296 if not expression.args.get("distinct", False): -297 self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery") -298 return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}" +268 PROPERTIES_LOCATION = { +269 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +270 exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA, +271 } +272 +273 EXPLICIT_UNION = True +274 +275 def array_sql(self, expression: exp.Array) -> str: +276 first_arg = seq_get(expression.expressions, 0) +277 if isinstance(first_arg, exp.Subqueryable): +278 return f"ARRAY{self.wrap(self.sql(first_arg))}" +279 +280 return inline_array_sql(self, expression) +281 +282 def transaction_sql(self, *_) -> str: +283 return "BEGIN TRANSACTION" +284 +285 def commit_sql(self, *_) -> str: +286 return "COMMIT TRANSACTION" +287 +288 def rollback_sql(self, *_) -> str: +289 return "ROLLBACK TRANSACTION" +290 +291 def in_unnest_op(self, expression: exp.Unnest) -> str: +292 return self.sql(expression) +293 +294 def except_op(self, expression: exp.Except) -> str: +295 if not expression.args.get("distinct", False): +296 self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery") +297 return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}" +298 +299 def intersect_op(self, expression: exp.Intersect) -> str: +300 if not expression.args.get("distinct", False): +301 self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery") +302 return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
@@ -411,191 +415,192 @@
- 
115class BigQuery(Dialect):
-116    unnest_column_only = True
-117    time_mapping = {
-118        "%M": "%-M",
-119        "%d": "%-d",
-120        "%m": "%-m",
-121        "%y": "%-y",
-122        "%H": "%-H",
-123        "%I": "%-I",
-124        "%S": "%-S",
-125        "%j": "%-j",
-126    }
-127
-128    class Tokenizer(tokens.Tokenizer):
-129        QUOTES = [
-130            (prefix + quote, quote) if prefix else quote
-131            for quote in ["'", '"', '"""', "'''"]
-132            for prefix in ["", "r", "R"]
-133        ]
-134        COMMENTS = ["--", "#", ("/*", "*/")]
-135        IDENTIFIERS = ["`"]
-136        STRING_ESCAPES = ["\\"]
-137        HEX_STRINGS = [("0x", ""), ("0X", "")]
-138
-139        KEYWORDS = {
-140            **tokens.Tokenizer.KEYWORDS,
-141            "BEGIN": TokenType.COMMAND,
-142            "BEGIN TRANSACTION": TokenType.BEGIN,
-143            "CURRENT_DATETIME": TokenType.CURRENT_DATETIME,
-144            "CURRENT_TIME": TokenType.CURRENT_TIME,
-145            "DECLARE": TokenType.COMMAND,
-146            "GEOGRAPHY": TokenType.GEOGRAPHY,
-147            "FLOAT64": TokenType.DOUBLE,
-148            "INT64": TokenType.BIGINT,
-149            "NOT DETERMINISTIC": TokenType.VOLATILE,
-150            "UNKNOWN": TokenType.NULL,
-151        }
-152        KEYWORDS.pop("DIV")
-153
-154    class Parser(parser.Parser):
-155        FUNCTIONS = {
-156            **parser.Parser.FUNCTIONS,  # type: ignore
-157            "DATE_TRUNC": lambda args: exp.DateTrunc(
-158                unit=exp.Literal.string(seq_get(args, 1).name),  # type: ignore
-159                this=seq_get(args, 0),
-160            ),
-161            "DATE_ADD": _date_add(exp.DateAdd),
-162            "DATETIME_ADD": _date_add(exp.DatetimeAdd),
-163            "DIV": lambda args: exp.IntDiv(this=seq_get(args, 0), expression=seq_get(args, 1)),
-164            "REGEXP_CONTAINS": exp.RegexpLike.from_arg_list,
-165            "REGEXP_EXTRACT": lambda args: exp.RegexpExtract(
-166                this=seq_get(args, 0),
-167                expression=seq_get(args, 1),
-168                position=seq_get(args, 2),
-169                occurrence=seq_get(args, 3),
-170                group=exp.Literal.number(1)
-171                if re.compile(str(seq_get(args, 1))).groups == 1
-172                else None,
-173            ),
-174            "TIME_ADD": _date_add(exp.TimeAdd),
-175            "TIMESTAMP_ADD": _date_add(exp.TimestampAdd),
-176            "DATE_SUB": _date_add(exp.DateSub),
-177            "DATETIME_SUB": _date_add(exp.DatetimeSub),
-178            "TIME_SUB": _date_add(exp.TimeSub),
-179            "TIMESTAMP_SUB": _date_add(exp.TimestampSub),
-180            "PARSE_TIMESTAMP": lambda args: exp.StrToTime(
-181                this=seq_get(args, 1), format=seq_get(args, 0)
-182            ),
-183        }
-184
-185        FUNCTION_PARSERS = {
-186            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
-187            "ARRAY": lambda self: self.expression(exp.Array, expressions=[self._parse_statement()]),
-188        }
-189        FUNCTION_PARSERS.pop("TRIM")
-190
-191        NO_PAREN_FUNCTIONS = {
-192            **parser.Parser.NO_PAREN_FUNCTIONS,  # type: ignore
-193            TokenType.CURRENT_DATETIME: exp.CurrentDatetime,
-194            TokenType.CURRENT_TIME: exp.CurrentTime,
-195        }
-196
-197        NESTED_TYPE_TOKENS = {
-198            *parser.Parser.NESTED_TYPE_TOKENS,  # type: ignore
-199            TokenType.TABLE,
-200        }
-201
-202        ID_VAR_TOKENS = {
-203            *parser.Parser.ID_VAR_TOKENS,  # type: ignore
-204            TokenType.VALUES,
-205        }
-206
-207        PROPERTY_PARSERS = {
-208            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
-209            "NOT DETERMINISTIC": lambda self: self.expression(
-210                exp.VolatilityProperty, this=exp.Literal.string("VOLATILE")
-211            ),
-212        }
-213
-214    class Generator(generator.Generator):
-215        TRANSFORMS = {
-216            **generator.Generator.TRANSFORMS,  # type: ignore
-217            **transforms.REMOVE_PRECISION_PARAMETERIZED_TYPES,  # type: ignore
-218            exp.ArraySize: rename_func("ARRAY_LENGTH"),
-219            exp.DateAdd: _date_add_sql("DATE", "ADD"),
-220            exp.DateSub: _date_add_sql("DATE", "SUB"),
-221            exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"),
-222            exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"),
-223            exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})",
-224            exp.DateStrToDate: datestrtodate_sql,
-225            exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")),
-226            exp.GroupConcat: rename_func("STRING_AGG"),
-227            exp.ILike: no_ilike_sql,
-228            exp.IntDiv: rename_func("DIV"),
-229            exp.Select: transforms.preprocess(
-230                [_unqualify_unnest], transforms.delegate("select_sql")
-231            ),
-232            exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})",
-233            exp.TimeAdd: _date_add_sql("TIME", "ADD"),
-234            exp.TimeSub: _date_add_sql("TIME", "SUB"),
-235            exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"),
-236            exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"),
-237            exp.TimeStrToTime: timestrtotime_sql,
-238            exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"),
-239            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
-240            exp.VariancePop: rename_func("VAR_POP"),
-241            exp.Values: _derived_table_values_to_unnest,
-242            exp.ReturnsProperty: _returnsproperty_sql,
-243            exp.Create: _create_sql,
-244            exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression),
-245            exp.VolatilityProperty: lambda self, e: f"DETERMINISTIC"
-246            if e.name == "IMMUTABLE"
-247            else "NOT DETERMINISTIC",
-248            exp.RegexpLike: rename_func("REGEXP_CONTAINS"),
-249        }
-250
-251        TYPE_MAPPING = {
-252            **generator.Generator.TYPE_MAPPING,  # type: ignore
-253            exp.DataType.Type.TINYINT: "INT64",
-254            exp.DataType.Type.SMALLINT: "INT64",
-255            exp.DataType.Type.INT: "INT64",
-256            exp.DataType.Type.BIGINT: "INT64",
-257            exp.DataType.Type.DECIMAL: "NUMERIC",
-258            exp.DataType.Type.FLOAT: "FLOAT64",
-259            exp.DataType.Type.DOUBLE: "FLOAT64",
-260            exp.DataType.Type.BOOLEAN: "BOOL",
-261            exp.DataType.Type.TEXT: "STRING",
-262            exp.DataType.Type.VARCHAR: "STRING",
-263            exp.DataType.Type.NVARCHAR: "STRING",
-264        }
-265        PROPERTIES_LOCATION = {
-266            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-267            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
+            
118class BigQuery(Dialect):
+119    unnest_column_only = True
+120    time_mapping = {
+121        "%M": "%-M",
+122        "%d": "%-d",
+123        "%m": "%-m",
+124        "%y": "%-y",
+125        "%H": "%-H",
+126        "%I": "%-I",
+127        "%S": "%-S",
+128        "%j": "%-j",
+129    }
+130
+131    class Tokenizer(tokens.Tokenizer):
+132        QUOTES = [
+133            (prefix + quote, quote) if prefix else quote
+134            for quote in ["'", '"', '"""', "'''"]
+135            for prefix in ["", "r", "R"]
+136        ]
+137        COMMENTS = ["--", "#", ("/*", "*/")]
+138        IDENTIFIERS = ["`"]
+139        STRING_ESCAPES = ["\\"]
+140        HEX_STRINGS = [("0x", ""), ("0X", "")]
+141
+142        KEYWORDS = {
+143            **tokens.Tokenizer.KEYWORDS,
+144            "BEGIN": TokenType.COMMAND,
+145            "BEGIN TRANSACTION": TokenType.BEGIN,
+146            "CURRENT_DATETIME": TokenType.CURRENT_DATETIME,
+147            "CURRENT_TIME": TokenType.CURRENT_TIME,
+148            "DECLARE": TokenType.COMMAND,
+149            "GEOGRAPHY": TokenType.GEOGRAPHY,
+150            "FLOAT64": TokenType.DOUBLE,
+151            "INT64": TokenType.BIGINT,
+152            "NOT DETERMINISTIC": TokenType.VOLATILE,
+153            "UNKNOWN": TokenType.NULL,
+154        }
+155        KEYWORDS.pop("DIV")
+156
+157    class Parser(parser.Parser):
+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": _date_add(exp.DateAdd),
+165            "DATETIME_ADD": _date_add(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": _date_add(exp.TimeAdd),
+178            "TIMESTAMP_ADD": _date_add(exp.TimestampAdd),
+179            "DATE_SUB": _date_add(exp.DateSub),
+180            "DATETIME_SUB": _date_add(exp.DatetimeSub),
+181            "TIME_SUB": _date_add(exp.TimeSub),
+182            "TIMESTAMP_SUB": _date_add(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            TokenType.CURRENT_TIME: exp.CurrentTime,
+198        }
+199
+200        NESTED_TYPE_TOKENS = {
+201            *parser.Parser.NESTED_TYPE_TOKENS,  # type: ignore
+202            TokenType.TABLE,
+203        }
+204
+205        ID_VAR_TOKENS = {
+206            *parser.Parser.ID_VAR_TOKENS,  # type: ignore
+207            TokenType.VALUES,
+208        }
+209
+210        PROPERTY_PARSERS = {
+211            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
+212            "NOT DETERMINISTIC": lambda self: self.expression(
+213                exp.VolatilityProperty, this=exp.Literal.string("VOLATILE")
+214            ),
+215        }
+216
+217    class Generator(generator.Generator):
+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.DateAdd: _date_add_sql("DATE", "ADD"),
+223            exp.DateSub: _date_add_sql("DATE", "SUB"),
+224            exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"),
+225            exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"),
+226            exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})",
+227            exp.DateStrToDate: datestrtodate_sql,
+228            exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")),
+229            exp.GroupConcat: rename_func("STRING_AGG"),
+230            exp.ILike: no_ilike_sql,
+231            exp.IntDiv: rename_func("DIV"),
+232            exp.Select: transforms.preprocess(
+233                [_unqualify_unnest], transforms.delegate("select_sql")
+234            ),
+235            exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})",
+236            exp.TimeAdd: _date_add_sql("TIME", "ADD"),
+237            exp.TimeSub: _date_add_sql("TIME", "SUB"),
+238            exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"),
+239            exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"),
+240            exp.TimeStrToTime: timestrtotime_sql,
+241            exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"),
+242            exp.TsOrDsAdd: _date_add_sql("DATE", "ADD"),
+243            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
+244            exp.VariancePop: rename_func("VAR_POP"),
+245            exp.Values: _derived_table_values_to_unnest,
+246            exp.ReturnsProperty: _returnsproperty_sql,
+247            exp.Create: _create_sql,
+248            exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression),
+249            exp.VolatilityProperty: lambda self, e: f"DETERMINISTIC"
+250            if e.name == "IMMUTABLE"
+251            else "NOT DETERMINISTIC",
+252            exp.RegexpLike: rename_func("REGEXP_CONTAINS"),
+253        }
+254
+255        TYPE_MAPPING = {
+256            **generator.Generator.TYPE_MAPPING,  # type: ignore
+257            exp.DataType.Type.TINYINT: "INT64",
+258            exp.DataType.Type.SMALLINT: "INT64",
+259            exp.DataType.Type.INT: "INT64",
+260            exp.DataType.Type.BIGINT: "INT64",
+261            exp.DataType.Type.DECIMAL: "NUMERIC",
+262            exp.DataType.Type.FLOAT: "FLOAT64",
+263            exp.DataType.Type.DOUBLE: "FLOAT64",
+264            exp.DataType.Type.BOOLEAN: "BOOL",
+265            exp.DataType.Type.TEXT: "STRING",
+266            exp.DataType.Type.VARCHAR: "STRING",
+267            exp.DataType.Type.NVARCHAR: "STRING",
 268        }
-269
-270        EXPLICIT_UNION = True
-271
-272        def array_sql(self, expression: exp.Array) -> str:
-273            first_arg = seq_get(expression.expressions, 0)
-274            if isinstance(first_arg, exp.Subqueryable):
-275                return f"ARRAY{self.wrap(self.sql(first_arg))}"
-276
-277            return inline_array_sql(self, expression)
-278
-279        def transaction_sql(self, *_) -> str:
-280            return "BEGIN TRANSACTION"
-281
-282        def commit_sql(self, *_) -> str:
-283            return "COMMIT TRANSACTION"
-284
-285        def rollback_sql(self, *_) -> str:
-286            return "ROLLBACK TRANSACTION"
-287
-288        def in_unnest_op(self, expression: exp.Unnest) -> str:
-289            return self.sql(expression)
-290
-291        def except_op(self, expression: exp.Except) -> str:
-292            if not expression.args.get("distinct", False):
-293                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
-294            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
-295
-296        def intersect_op(self, expression: exp.Intersect) -> str:
-297            if not expression.args.get("distinct", False):
-298                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
-299            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+269        PROPERTIES_LOCATION = {
+270            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+271            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
+272        }
+273
+274        EXPLICIT_UNION = True
+275
+276        def array_sql(self, expression: exp.Array) -> str:
+277            first_arg = seq_get(expression.expressions, 0)
+278            if isinstance(first_arg, exp.Subqueryable):
+279                return f"ARRAY{self.wrap(self.sql(first_arg))}"
+280
+281            return inline_array_sql(self, expression)
+282
+283        def transaction_sql(self, *_) -> str:
+284            return "BEGIN TRANSACTION"
+285
+286        def commit_sql(self, *_) -> str:
+287            return "COMMIT TRANSACTION"
+288
+289        def rollback_sql(self, *_) -> str:
+290            return "ROLLBACK TRANSACTION"
+291
+292        def in_unnest_op(self, expression: exp.Unnest) -> str:
+293            return self.sql(expression)
+294
+295        def except_op(self, expression: exp.Except) -> str:
+296            if not expression.args.get("distinct", False):
+297                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
+298            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+299
+300        def intersect_op(self, expression: exp.Intersect) -> str:
+301            if not expression.args.get("distinct", False):
+302                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
+303            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
 

 
 
@@ -629,31 +634,31 @@
- 
128    class Tokenizer(tokens.Tokenizer):
-129        QUOTES = [
-130            (prefix + quote, quote) if prefix else quote
-131            for quote in ["'", '"', '"""', "'''"]
-132            for prefix in ["", "r", "R"]
-133        ]
-134        COMMENTS = ["--", "#", ("/*", "*/")]
-135        IDENTIFIERS = ["`"]
-136        STRING_ESCAPES = ["\\"]
-137        HEX_STRINGS = [("0x", ""), ("0X", "")]
-138
-139        KEYWORDS = {
-140            **tokens.Tokenizer.KEYWORDS,
-141            "BEGIN": TokenType.COMMAND,
-142            "BEGIN TRANSACTION": TokenType.BEGIN,
-143            "CURRENT_DATETIME": TokenType.CURRENT_DATETIME,
-144            "CURRENT_TIME": TokenType.CURRENT_TIME,
-145            "DECLARE": TokenType.COMMAND,
-146            "GEOGRAPHY": TokenType.GEOGRAPHY,
-147            "FLOAT64": TokenType.DOUBLE,
-148            "INT64": TokenType.BIGINT,
-149            "NOT DETERMINISTIC": TokenType.VOLATILE,
-150            "UNKNOWN": TokenType.NULL,
-151        }
-152        KEYWORDS.pop("DIV")
+            
131    class Tokenizer(tokens.Tokenizer):
+132        QUOTES = [
+133            (prefix + quote, quote) if prefix else quote
+134            for quote in ["'", '"', '"""', "'''"]
+135            for prefix in ["", "r", "R"]
+136        ]
+137        COMMENTS = ["--", "#", ("/*", "*/")]
+138        IDENTIFIERS = ["`"]
+139        STRING_ESCAPES = ["\\"]
+140        HEX_STRINGS = [("0x", ""), ("0X", "")]
+141
+142        KEYWORDS = {
+143            **tokens.Tokenizer.KEYWORDS,
+144            "BEGIN": TokenType.COMMAND,
+145            "BEGIN TRANSACTION": TokenType.BEGIN,
+146            "CURRENT_DATETIME": TokenType.CURRENT_DATETIME,
+147            "CURRENT_TIME": TokenType.CURRENT_TIME,
+148            "DECLARE": TokenType.COMMAND,
+149            "GEOGRAPHY": TokenType.GEOGRAPHY,
+150            "FLOAT64": TokenType.DOUBLE,
+151            "INT64": TokenType.BIGINT,
+152            "NOT DETERMINISTIC": TokenType.VOLATILE,
+153            "UNKNOWN": TokenType.NULL,
+154        }
+155        KEYWORDS.pop("DIV")
 

 
 
@@ -681,65 +686,65 @@
- 
154    class Parser(parser.Parser):
-155        FUNCTIONS = {
-156            **parser.Parser.FUNCTIONS,  # type: ignore
-157            "DATE_TRUNC": lambda args: exp.DateTrunc(
-158                unit=exp.Literal.string(seq_get(args, 1).name),  # type: ignore
-159                this=seq_get(args, 0),
-160            ),
-161            "DATE_ADD": _date_add(exp.DateAdd),
-162            "DATETIME_ADD": _date_add(exp.DatetimeAdd),
-163            "DIV": lambda args: exp.IntDiv(this=seq_get(args, 0), expression=seq_get(args, 1)),
-164            "REGEXP_CONTAINS": exp.RegexpLike.from_arg_list,
-165            "REGEXP_EXTRACT": lambda args: exp.RegexpExtract(
-166                this=seq_get(args, 0),
-167                expression=seq_get(args, 1),
-168                position=seq_get(args, 2),
-169                occurrence=seq_get(args, 3),
-170                group=exp.Literal.number(1)
-171                if re.compile(str(seq_get(args, 1))).groups == 1
-172                else None,
-173            ),
-174            "TIME_ADD": _date_add(exp.TimeAdd),
-175            "TIMESTAMP_ADD": _date_add(exp.TimestampAdd),
-176            "DATE_SUB": _date_add(exp.DateSub),
-177            "DATETIME_SUB": _date_add(exp.DatetimeSub),
-178            "TIME_SUB": _date_add(exp.TimeSub),
-179            "TIMESTAMP_SUB": _date_add(exp.TimestampSub),
-180            "PARSE_TIMESTAMP": lambda args: exp.StrToTime(
-181                this=seq_get(args, 1), format=seq_get(args, 0)
-182            ),
-183        }
-184
-185        FUNCTION_PARSERS = {
-186            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
-187            "ARRAY": lambda self: self.expression(exp.Array, expressions=[self._parse_statement()]),
-188        }
-189        FUNCTION_PARSERS.pop("TRIM")
-190
-191        NO_PAREN_FUNCTIONS = {
-192            **parser.Parser.NO_PAREN_FUNCTIONS,  # type: ignore
-193            TokenType.CURRENT_DATETIME: exp.CurrentDatetime,
-194            TokenType.CURRENT_TIME: exp.CurrentTime,
-195        }
-196
-197        NESTED_TYPE_TOKENS = {
-198            *parser.Parser.NESTED_TYPE_TOKENS,  # type: ignore
-199            TokenType.TABLE,
-200        }
-201
-202        ID_VAR_TOKENS = {
-203            *parser.Parser.ID_VAR_TOKENS,  # type: ignore
-204            TokenType.VALUES,
-205        }
-206
-207        PROPERTY_PARSERS = {
-208            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
-209            "NOT DETERMINISTIC": lambda self: self.expression(
-210                exp.VolatilityProperty, this=exp.Literal.string("VOLATILE")
-211            ),
-212        }
+            
157    class Parser(parser.Parser):
+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": _date_add(exp.DateAdd),
+165            "DATETIME_ADD": _date_add(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": _date_add(exp.TimeAdd),
+178            "TIMESTAMP_ADD": _date_add(exp.TimestampAdd),
+179            "DATE_SUB": _date_add(exp.DateSub),
+180            "DATETIME_SUB": _date_add(exp.DatetimeSub),
+181            "TIME_SUB": _date_add(exp.TimeSub),
+182            "TIMESTAMP_SUB": _date_add(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            TokenType.CURRENT_TIME: exp.CurrentTime,
+198        }
+199
+200        NESTED_TYPE_TOKENS = {
+201            *parser.Parser.NESTED_TYPE_TOKENS,  # type: ignore
+202            TokenType.TABLE,
+203        }
+204
+205        ID_VAR_TOKENS = {
+206            *parser.Parser.ID_VAR_TOKENS,  # type: ignore
+207            TokenType.VALUES,
+208        }
+209
+210        PROPERTY_PARSERS = {
+211            **parser.Parser.PROPERTY_PARSERS,  # type: ignore
+212            "NOT DETERMINISTIC": lambda self: self.expression(
+213                exp.VolatilityProperty, this=exp.Literal.string("VOLATILE")
+214            ),
+215        }
 

 
 
@@ -796,92 +801,93 @@ Default: "nulls_are_small"
- 
214    class Generator(generator.Generator):
-215        TRANSFORMS = {
-216            **generator.Generator.TRANSFORMS,  # type: ignore
-217            **transforms.REMOVE_PRECISION_PARAMETERIZED_TYPES,  # type: ignore
-218            exp.ArraySize: rename_func("ARRAY_LENGTH"),
-219            exp.DateAdd: _date_add_sql("DATE", "ADD"),
-220            exp.DateSub: _date_add_sql("DATE", "SUB"),
-221            exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"),
-222            exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"),
-223            exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})",
-224            exp.DateStrToDate: datestrtodate_sql,
-225            exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")),
-226            exp.GroupConcat: rename_func("STRING_AGG"),
-227            exp.ILike: no_ilike_sql,
-228            exp.IntDiv: rename_func("DIV"),
-229            exp.Select: transforms.preprocess(
-230                [_unqualify_unnest], transforms.delegate("select_sql")
-231            ),
-232            exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})",
-233            exp.TimeAdd: _date_add_sql("TIME", "ADD"),
-234            exp.TimeSub: _date_add_sql("TIME", "SUB"),
-235            exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"),
-236            exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"),
-237            exp.TimeStrToTime: timestrtotime_sql,
-238            exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"),
-239            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
-240            exp.VariancePop: rename_func("VAR_POP"),
-241            exp.Values: _derived_table_values_to_unnest,
-242            exp.ReturnsProperty: _returnsproperty_sql,
-243            exp.Create: _create_sql,
-244            exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression),
-245            exp.VolatilityProperty: lambda self, e: f"DETERMINISTIC"
-246            if e.name == "IMMUTABLE"
-247            else "NOT DETERMINISTIC",
-248            exp.RegexpLike: rename_func("REGEXP_CONTAINS"),
-249        }
-250
-251        TYPE_MAPPING = {
-252            **generator.Generator.TYPE_MAPPING,  # type: ignore
-253            exp.DataType.Type.TINYINT: "INT64",
-254            exp.DataType.Type.SMALLINT: "INT64",
-255            exp.DataType.Type.INT: "INT64",
-256            exp.DataType.Type.BIGINT: "INT64",
-257            exp.DataType.Type.DECIMAL: "NUMERIC",
-258            exp.DataType.Type.FLOAT: "FLOAT64",
-259            exp.DataType.Type.DOUBLE: "FLOAT64",
-260            exp.DataType.Type.BOOLEAN: "BOOL",
-261            exp.DataType.Type.TEXT: "STRING",
-262            exp.DataType.Type.VARCHAR: "STRING",
-263            exp.DataType.Type.NVARCHAR: "STRING",
-264        }
-265        PROPERTIES_LOCATION = {
-266            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-267            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
+            
217    class Generator(generator.Generator):
+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.DateAdd: _date_add_sql("DATE", "ADD"),
+223            exp.DateSub: _date_add_sql("DATE", "SUB"),
+224            exp.DatetimeAdd: _date_add_sql("DATETIME", "ADD"),
+225            exp.DatetimeSub: _date_add_sql("DATETIME", "SUB"),
+226            exp.DateDiff: lambda self, e: f"DATE_DIFF({self.sql(e, 'this')}, {self.sql(e, 'expression')}, {self.sql(e.args.get('unit', 'DAY'))})",
+227            exp.DateStrToDate: datestrtodate_sql,
+228            exp.DateTrunc: lambda self, e: self.func("DATE_TRUNC", e.this, e.text("unit")),
+229            exp.GroupConcat: rename_func("STRING_AGG"),
+230            exp.ILike: no_ilike_sql,
+231            exp.IntDiv: rename_func("DIV"),
+232            exp.Select: transforms.preprocess(
+233                [_unqualify_unnest], transforms.delegate("select_sql")
+234            ),
+235            exp.StrToTime: lambda self, e: f"PARSE_TIMESTAMP({self.format_time(e)}, {self.sql(e, 'this')})",
+236            exp.TimeAdd: _date_add_sql("TIME", "ADD"),
+237            exp.TimeSub: _date_add_sql("TIME", "SUB"),
+238            exp.TimestampAdd: _date_add_sql("TIMESTAMP", "ADD"),
+239            exp.TimestampSub: _date_add_sql("TIMESTAMP", "SUB"),
+240            exp.TimeStrToTime: timestrtotime_sql,
+241            exp.TsOrDsToDate: ts_or_ds_to_date_sql("bigquery"),
+242            exp.TsOrDsAdd: _date_add_sql("DATE", "ADD"),
+243            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
+244            exp.VariancePop: rename_func("VAR_POP"),
+245            exp.Values: _derived_table_values_to_unnest,
+246            exp.ReturnsProperty: _returnsproperty_sql,
+247            exp.Create: _create_sql,
+248            exp.Trim: lambda self, e: self.func(f"TRIM", e.this, e.expression),
+249            exp.VolatilityProperty: lambda self, e: f"DETERMINISTIC"
+250            if e.name == "IMMUTABLE"
+251            else "NOT DETERMINISTIC",
+252            exp.RegexpLike: rename_func("REGEXP_CONTAINS"),
+253        }
+254
+255        TYPE_MAPPING = {
+256            **generator.Generator.TYPE_MAPPING,  # type: ignore
+257            exp.DataType.Type.TINYINT: "INT64",
+258            exp.DataType.Type.SMALLINT: "INT64",
+259            exp.DataType.Type.INT: "INT64",
+260            exp.DataType.Type.BIGINT: "INT64",
+261            exp.DataType.Type.DECIMAL: "NUMERIC",
+262            exp.DataType.Type.FLOAT: "FLOAT64",
+263            exp.DataType.Type.DOUBLE: "FLOAT64",
+264            exp.DataType.Type.BOOLEAN: "BOOL",
+265            exp.DataType.Type.TEXT: "STRING",
+266            exp.DataType.Type.VARCHAR: "STRING",
+267            exp.DataType.Type.NVARCHAR: "STRING",
 268        }
-269
-270        EXPLICIT_UNION = True
-271
-272        def array_sql(self, expression: exp.Array) -> str:
-273            first_arg = seq_get(expression.expressions, 0)
-274            if isinstance(first_arg, exp.Subqueryable):
-275                return f"ARRAY{self.wrap(self.sql(first_arg))}"
-276
-277            return inline_array_sql(self, expression)
-278
-279        def transaction_sql(self, *_) -> str:
-280            return "BEGIN TRANSACTION"
-281
-282        def commit_sql(self, *_) -> str:
-283            return "COMMIT TRANSACTION"
-284
-285        def rollback_sql(self, *_) -> str:
-286            return "ROLLBACK TRANSACTION"
-287
-288        def in_unnest_op(self, expression: exp.Unnest) -> str:
-289            return self.sql(expression)
-290
-291        def except_op(self, expression: exp.Except) -> str:
-292            if not expression.args.get("distinct", False):
-293                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
-294            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
-295
-296        def intersect_op(self, expression: exp.Intersect) -> str:
-297            if not expression.args.get("distinct", False):
-298                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
-299            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+269        PROPERTIES_LOCATION = {
+270            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+271            exp.PartitionedByProperty: exp.Properties.Location.POST_SCHEMA,
+272        }
+273
+274        EXPLICIT_UNION = True
+275
+276        def array_sql(self, expression: exp.Array) -> str:
+277            first_arg = seq_get(expression.expressions, 0)
+278            if isinstance(first_arg, exp.Subqueryable):
+279                return f"ARRAY{self.wrap(self.sql(first_arg))}"
+280
+281            return inline_array_sql(self, expression)
+282
+283        def transaction_sql(self, *_) -> str:
+284            return "BEGIN TRANSACTION"
+285
+286        def commit_sql(self, *_) -> str:
+287            return "COMMIT TRANSACTION"
+288
+289        def rollback_sql(self, *_) -> str:
+290            return "ROLLBACK TRANSACTION"
+291
+292        def in_unnest_op(self, expression: exp.Unnest) -> str:
+293            return self.sql(expression)
+294
+295        def except_op(self, expression: exp.Except) -> str:
+296            if not expression.args.get("distinct", False):
+297                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
+298            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+299
+300        def intersect_op(self, expression: exp.Intersect) -> str:
+301            if not expression.args.get("distinct", False):
+302                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
+303            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
 

 
 
@@ -941,12 +947,12 @@ Default: True
- 
272        def array_sql(self, expression: exp.Array) -> str:
-273            first_arg = seq_get(expression.expressions, 0)
-274            if isinstance(first_arg, exp.Subqueryable):
-275                return f"ARRAY{self.wrap(self.sql(first_arg))}"
-276
-277            return inline_array_sql(self, expression)
+            
276        def array_sql(self, expression: exp.Array) -> str:
+277            first_arg = seq_get(expression.expressions, 0)
+278            if isinstance(first_arg, exp.Subqueryable):
+279                return f"ARRAY{self.wrap(self.sql(first_arg))}"
+280
+281            return inline_array_sql(self, expression)
 

 
 
@@ -964,8 +970,8 @@ Default: True
- 
279        def transaction_sql(self, *_) -> str:
-280            return "BEGIN TRANSACTION"
+            
283        def transaction_sql(self, *_) -> str:
+284            return "BEGIN TRANSACTION"
 

 
 
@@ -983,8 +989,8 @@ Default: True
- 
282        def commit_sql(self, *_) -> str:
-283            return "COMMIT TRANSACTION"
+            
286        def commit_sql(self, *_) -> str:
+287            return "COMMIT TRANSACTION"
 

 
 
@@ -1002,8 +1008,8 @@ Default: True
- 
285        def rollback_sql(self, *_) -> str:
-286            return "ROLLBACK TRANSACTION"
+            
289        def rollback_sql(self, *_) -> str:
+290            return "ROLLBACK TRANSACTION"
 

 
 
@@ -1021,8 +1027,8 @@ Default: True
- 
288        def in_unnest_op(self, expression: exp.Unnest) -> str:
-289            return self.sql(expression)
+            
292        def in_unnest_op(self, expression: exp.Unnest) -> str:
+293            return self.sql(expression)
 

 
 
@@ -1040,10 +1046,10 @@ Default: True
- 
291        def except_op(self, expression: exp.Except) -> str:
-292            if not expression.args.get("distinct", False):
-293                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
-294            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+            
295        def except_op(self, expression: exp.Except) -> str:
+296            if not expression.args.get("distinct", False):
+297                self.unsupported("EXCEPT without DISTINCT is not supported in BigQuery")
+298            return f"EXCEPT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
 

 
 
@@ -1061,10 +1067,10 @@ Default: True
- 
296        def intersect_op(self, expression: exp.Intersect) -> str:
-297            if not expression.args.get("distinct", False):
-298                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
-299            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
+            
300        def intersect_op(self, expression: exp.Intersect) -> str:
+301            if not expression.args.get("distinct", False):
+302                self.unsupported("INTERSECT without DISTINCT is not supported in BigQuery")
+303            return f"INTERSECT{' DISTINCT' if expression.args.get('distinct') else ' ALL'}"
 

 
 
@@ -1226,6 +1232,7 @@ Default: True
                 
currentdate_sql

                 
collate_sql

                 
command_sql

+                
comment_sql

                 
altercolumn_sql

                 
renametable_sql

                 
altertable_sql

@@ -1237,6 +1244,7 @@ Default: True
                 
intdiv_sql

                 
dpipe_sql

                 
div_sql

+                
overlaps_sql

                 
distance_sql

                 
dot_sql

                 
eq_sql

diff --git a/docs/sqlglot/dialects/clickhouse.html b/docs/sqlglot/dialects/clickhouse.html
index 6dde874..ff7565d 100644
--- a/docs/sqlglot/dialects/clickhouse.html
+++ b/docs/sqlglot/dialects/clickhouse.html
@@ -814,6 +814,7 @@ Default: True
                 
currentdate_sql

                 
collate_sql

                 
command_sql

+                
comment_sql

                 
transaction_sql

                 
commit_sql

                 
rollback_sql

@@ -828,6 +829,7 @@ Default: True
                 
intdiv_sql

                 
dpipe_sql

                 
div_sql

+                
overlaps_sql

                 
distance_sql

                 
dot_sql

                 
eq_sql

diff --git a/docs/sqlglot/dialects/databricks.html b/docs/sqlglot/dialects/databricks.html
index 417c652..224ee6e 100644
--- a/docs/sqlglot/dialects/databricks.html
+++ b/docs/sqlglot/dialects/databricks.html
@@ -454,6 +454,7 @@ Default: True
                 
currentdate_sql

                 
collate_sql

                 
command_sql

+                
comment_sql

                 
transaction_sql

                 
commit_sql

                 
rollback_sql

@@ -468,6 +469,7 @@ Default: True
                 
intdiv_sql

                 
dpipe_sql

                 
div_sql

+                
overlaps_sql

                 
distance_sql

                 
dot_sql

                 
eq_sql

diff --git a/docs/sqlglot/dialects/dialect.html b/docs/sqlglot/dialects/dialect.html
index 87441ba..6aa48ad 100644
--- a/docs/sqlglot/dialects/dialect.html
+++ b/docs/sqlglot/dialects/dialect.html
@@ -592,84 +592,83 @@
 360    if has_schema and is_partitionable:
 361        expression = expression.copy()
 362        prop = expression.find(exp.PartitionedByProperty)
-363        this = prop and prop.this
-364        if prop and not isinstance(this, exp.Schema):
-365            schema = expression.this
-366            columns = {v.name.upper() for v in this.expressions}
-367            partitions = [col for col in schema.expressions if col.name.upper() in columns]
-368            schema.set("expressions", [e for e in schema.expressions if e not in partitions])
-369            prop.replace(exp.PartitionedByProperty(this=exp.Schema(expressions=partitions)))
-370            expression.set("this", schema)
-371
-372    return self.create_sql(expression)
+363        if prop and prop.this and not isinstance(prop.this, exp.Schema):
+364            schema = expression.this
+365            columns = {v.name.upper() for v in prop.this.expressions}
+366            partitions = [col for col in schema.expressions if col.name.upper() in columns]
+367            schema.set("expressions", [e for e in schema.expressions if e not in partitions])
+368            prop.replace(exp.PartitionedByProperty(this=exp.Schema(expressions=partitions)))
+369            expression.set("this", schema)
+370
+371    return self.create_sql(expression)
+372
 373
-374
-375def parse_date_delta(
-376    exp_class: t.Type[E], unit_mapping: t.Optional[t.Dict[str, str]] = None
-377) -> t.Callable[[t.Sequence], E]:
-378    def inner_func(args: t.Sequence) -> E:
-379        unit_based = len(args) == 3
-380        this = seq_get(args, 2) if unit_based else seq_get(args, 0)
-381        expression = seq_get(args, 1) if unit_based else seq_get(args, 1)
-382        unit = seq_get(args, 0) if unit_based else exp.Literal.string("DAY")
-383        unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit  # type: ignore
-384        return exp_class(this=this, expression=expression, unit=unit)
-385
-386    return inner_func
+374def parse_date_delta(
+375    exp_class: t.Type[E], unit_mapping: t.Optional[t.Dict[str, str]] = None
+376) -> t.Callable[[t.Sequence], E]:
+377    def inner_func(args: t.Sequence) -> E:
+378        unit_based = len(args) == 3
+379        this = seq_get(args, 2) if unit_based else seq_get(args, 0)
+380        expression = seq_get(args, 1) if unit_based else seq_get(args, 1)
+381        unit = seq_get(args, 0) if unit_based else exp.Literal.string("DAY")
+382        unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit  # type: ignore
+383        return exp_class(this=this, expression=expression, unit=unit)
+384
+385    return inner_func
+386
 387
-388
-389def locate_to_strposition(args: t.Sequence) -> exp.Expression:
-390    return exp.StrPosition(
-391        this=seq_get(args, 1),
-392        substr=seq_get(args, 0),
-393        position=seq_get(args, 2),
-394    )
+388def locate_to_strposition(args: t.Sequence) -> exp.Expression:
+389    return exp.StrPosition(
+390        this=seq_get(args, 1),
+391        substr=seq_get(args, 0),
+392        position=seq_get(args, 2),
+393    )
+394
 395
-396
-397def strposition_to_locate_sql(self: Generator, expression: exp.StrPosition) -> str:
-398    return self.func(
-399        "LOCATE", expression.args.get("substr"), expression.this, expression.args.get("position")
-400    )
+396def strposition_to_locate_sql(self: Generator, expression: exp.StrPosition) -> str:
+397    return self.func(
+398        "LOCATE", expression.args.get("substr"), expression.this, expression.args.get("position")
+399    )
+400
 401
-402
-403def timestrtotime_sql(self: Generator, expression: exp.TimeStrToTime) -> str:
-404    return f"CAST({self.sql(expression, 'this')} AS TIMESTAMP)"
+402def timestrtotime_sql(self: Generator, expression: exp.TimeStrToTime) -> str:
+403    return f"CAST({self.sql(expression, 'this')} AS TIMESTAMP)"
+404
 405
-406
-407def datestrtodate_sql(self: Generator, expression: exp.DateStrToDate) -> str:
-408    return f"CAST({self.sql(expression, 'this')} AS DATE)"
+406def datestrtodate_sql(self: Generator, expression: exp.DateStrToDate) -> str:
+407    return f"CAST({self.sql(expression, 'this')} AS DATE)"
+408
 409
-410
-411def trim_sql(self: Generator, expression: exp.Trim) -> str:
-412    target = self.sql(expression, "this")
-413    trim_type = self.sql(expression, "position")
-414    remove_chars = self.sql(expression, "expression")
-415    collation = self.sql(expression, "collation")
-416
-417    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific
-418    if not remove_chars and not collation:
-419        return self.trim_sql(expression)
-420
-421    trim_type = f"{trim_type} " if trim_type else ""
-422    remove_chars = f"{remove_chars} " if remove_chars else ""
-423    from_part = "FROM " if trim_type or remove_chars else ""
-424    collation = f" COLLATE {collation}" if collation else ""
-425    return f"TRIM({trim_type}{remove_chars}{from_part}{target}{collation})"
+410def trim_sql(self: Generator, expression: exp.Trim) -> str:
+411    target = self.sql(expression, "this")
+412    trim_type = self.sql(expression, "position")
+413    remove_chars = self.sql(expression, "expression")
+414    collation = self.sql(expression, "collation")
+415
+416    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific
+417    if not remove_chars and not collation:
+418        return self.trim_sql(expression)
+419
+420    trim_type = f"{trim_type} " if trim_type else ""
+421    remove_chars = f"{remove_chars} " if remove_chars else ""
+422    from_part = "FROM " if trim_type or remove_chars else ""
+423    collation = f" COLLATE {collation}" if collation else ""
+424    return f"TRIM({trim_type}{remove_chars}{from_part}{target}{collation})"
+425
 426
-427
-428def str_to_time_sql(self, expression: exp.Expression) -> str:
-429    return self.func("STRPTIME", expression.this, self.format_time(expression))
+427def str_to_time_sql(self, expression: exp.Expression) -> str:
+428    return self.func("STRPTIME", expression.this, self.format_time(expression))
+429
 430
-431
-432def ts_or_ds_to_date_sql(dialect: str) -> t.Callable:
-433    def _ts_or_ds_to_date_sql(self: Generator, expression: exp.TsOrDsToDate) -> str:
-434        _dialect = Dialect.get_or_raise(dialect)
-435        time_format = self.format_time(expression)
-436        if time_format and time_format not in (_dialect.time_format, _dialect.date_format):
-437            return f"CAST({str_to_time_sql(self, expression)} AS DATE)"
-438        return f"CAST({self.sql(expression, 'this')} AS DATE)"
-439
-440    return _ts_or_ds_to_date_sql
+431def ts_or_ds_to_date_sql(dialect: str) -> t.Callable:
+432    def _ts_or_ds_to_date_sql(self: Generator, expression: exp.TsOrDsToDate) -> str:
+433        _dialect = Dialect.get_or_raise(dialect)
+434        time_format = self.format_time(expression)
+435        if time_format and time_format not in (_dialect.time_format, _dialect.date_format):
+436            return f"CAST({str_to_time_sql(self, expression)} AS DATE)"
+437        return f"CAST({self.sql(expression, 'this')} AS DATE)"
+438
+439    return _ts_or_ds_to_date_sql
@@ -1799,16 +1798,15 @@ 361 if has_schema and is_partitionable: 362 expression = expression.copy() 363 prop = expression.find(exp.PartitionedByProperty) -364 this = prop and prop.this -365 if prop and not isinstance(this, exp.Schema): -366 schema = expression.this -367 columns = {v.name.upper() for v in this.expressions} -368 partitions = [col for col in schema.expressions if col.name.upper() in columns] -369 schema.set("expressions", [e for e in schema.expressions if e not in partitions]) -370 prop.replace(exp.PartitionedByProperty(this=exp.Schema(expressions=partitions))) -371 expression.set("this", schema) -372 -373 return self.create_sql(expression) +364 if prop and prop.this and not isinstance(prop.this, exp.Schema): +365 schema = expression.this +366 columns = {v.name.upper() for v in prop.this.expressions} +367 partitions = [col for col in schema.expressions if col.name.upper() in columns] +368 schema.set("expressions", [e for e in schema.expressions if e not in partitions]) +369 prop.replace(exp.PartitionedByProperty(this=exp.Schema(expressions=partitions))) +370 expression.set("this", schema) +371 +372 return self.create_sql(expression)
@@ -1830,18 +1828,18 @@ columns are removed from the create statement.

- 
376def parse_date_delta(
-377    exp_class: t.Type[E], unit_mapping: t.Optional[t.Dict[str, str]] = None
-378) -> t.Callable[[t.Sequence], E]:
-379    def inner_func(args: t.Sequence) -> E:
-380        unit_based = len(args) == 3
-381        this = seq_get(args, 2) if unit_based else seq_get(args, 0)
-382        expression = seq_get(args, 1) if unit_based else seq_get(args, 1)
-383        unit = seq_get(args, 0) if unit_based else exp.Literal.string("DAY")
-384        unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit  # type: ignore
-385        return exp_class(this=this, expression=expression, unit=unit)
-386
-387    return inner_func
+            
375def parse_date_delta(
+376    exp_class: t.Type[E], unit_mapping: t.Optional[t.Dict[str, str]] = None
+377) -> t.Callable[[t.Sequence], E]:
+378    def inner_func(args: t.Sequence) -> E:
+379        unit_based = len(args) == 3
+380        this = seq_get(args, 2) if unit_based else seq_get(args, 0)
+381        expression = seq_get(args, 1) if unit_based else seq_get(args, 1)
+382        unit = seq_get(args, 0) if unit_based else exp.Literal.string("DAY")
+383        unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit  # type: ignore
+384        return exp_class(this=this, expression=expression, unit=unit)
+385
+386    return inner_func
 

 
 
@@ -1859,12 +1857,12 @@ columns are removed from the create statement.
- 
390def locate_to_strposition(args: t.Sequence) -> exp.Expression:
-391    return exp.StrPosition(
-392        this=seq_get(args, 1),
-393        substr=seq_get(args, 0),
-394        position=seq_get(args, 2),
-395    )
+            
389def locate_to_strposition(args: t.Sequence) -> exp.Expression:
+390    return exp.StrPosition(
+391        this=seq_get(args, 1),
+392        substr=seq_get(args, 0),
+393        position=seq_get(args, 2),
+394    )
 

 
 
@@ -1882,10 +1880,10 @@ columns are removed from the create statement.
- 
398def strposition_to_locate_sql(self: Generator, expression: exp.StrPosition) -> str:
-399    return self.func(
-400        "LOCATE", expression.args.get("substr"), expression.this, expression.args.get("position")
-401    )
+            
397def strposition_to_locate_sql(self: Generator, expression: exp.StrPosition) -> str:
+398    return self.func(
+399        "LOCATE", expression.args.get("substr"), expression.this, expression.args.get("position")
+400    )
 

 
 
@@ -1903,8 +1901,8 @@ columns are removed from the create statement.
- 
404def timestrtotime_sql(self: Generator, expression: exp.TimeStrToTime) -> str:
-405    return f"CAST({self.sql(expression, 'this')} AS TIMESTAMP)"
+            
403def timestrtotime_sql(self: Generator, expression: exp.TimeStrToTime) -> str:
+404    return f"CAST({self.sql(expression, 'this')} AS TIMESTAMP)"
 

 
 
@@ -1922,8 +1920,8 @@ columns are removed from the create statement.
- 
408def datestrtodate_sql(self: Generator, expression: exp.DateStrToDate) -> str:
-409    return f"CAST({self.sql(expression, 'this')} AS DATE)"
+            
407def datestrtodate_sql(self: Generator, expression: exp.DateStrToDate) -> str:
+408    return f"CAST({self.sql(expression, 'this')} AS DATE)"
 

 
 
@@ -1941,21 +1939,21 @@ columns are removed from the create statement.
- 
412def trim_sql(self: Generator, expression: exp.Trim) -> str:
-413    target = self.sql(expression, "this")
-414    trim_type = self.sql(expression, "position")
-415    remove_chars = self.sql(expression, "expression")
-416    collation = self.sql(expression, "collation")
-417
-418    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific
-419    if not remove_chars and not collation:
-420        return self.trim_sql(expression)
-421
-422    trim_type = f"{trim_type} " if trim_type else ""
-423    remove_chars = f"{remove_chars} " if remove_chars else ""
-424    from_part = "FROM " if trim_type or remove_chars else ""
-425    collation = f" COLLATE {collation}" if collation else ""
-426    return f"TRIM({trim_type}{remove_chars}{from_part}{target}{collation})"
+            
411def trim_sql(self: Generator, expression: exp.Trim) -> str:
+412    target = self.sql(expression, "this")
+413    trim_type = self.sql(expression, "position")
+414    remove_chars = self.sql(expression, "expression")
+415    collation = self.sql(expression, "collation")
+416
+417    # Use TRIM/LTRIM/RTRIM syntax if the expression isn't database-specific
+418    if not remove_chars and not collation:
+419        return self.trim_sql(expression)
+420
+421    trim_type = f"{trim_type} " if trim_type else ""
+422    remove_chars = f"{remove_chars} " if remove_chars else ""
+423    from_part = "FROM " if trim_type or remove_chars else ""
+424    collation = f" COLLATE {collation}" if collation else ""
+425    return f"TRIM({trim_type}{remove_chars}{from_part}{target}{collation})"
 

 
 
@@ -1973,8 +1971,8 @@ columns are removed from the create statement.
- 
429def str_to_time_sql(self, expression: exp.Expression) -> str:
-430    return self.func("STRPTIME", expression.this, self.format_time(expression))
+            
428def str_to_time_sql(self, expression: exp.Expression) -> str:
+429    return self.func("STRPTIME", expression.this, self.format_time(expression))
 

 
 
@@ -1992,15 +1990,15 @@ columns are removed from the create statement.
- 
433def ts_or_ds_to_date_sql(dialect: str) -> t.Callable:
-434    def _ts_or_ds_to_date_sql(self: Generator, expression: exp.TsOrDsToDate) -> str:
-435        _dialect = Dialect.get_or_raise(dialect)
-436        time_format = self.format_time(expression)
-437        if time_format and time_format not in (_dialect.time_format, _dialect.date_format):
-438            return f"CAST({str_to_time_sql(self, expression)} AS DATE)"
-439        return f"CAST({self.sql(expression, 'this')} AS DATE)"
-440
-441    return _ts_or_ds_to_date_sql
+            
432def ts_or_ds_to_date_sql(dialect: str) -> t.Callable:
+433    def _ts_or_ds_to_date_sql(self: Generator, expression: exp.TsOrDsToDate) -> str:
+434        _dialect = Dialect.get_or_raise(dialect)
+435        time_format = self.format_time(expression)
+436        if time_format and time_format not in (_dialect.time_format, _dialect.date_format):
+437            return f"CAST({str_to_time_sql(self, expression)} AS DATE)"
+438        return f"CAST({self.sql(expression, 'this')} AS DATE)"
+439
+440    return _ts_or_ds_to_date_sql
 

 
 
diff --git a/docs/sqlglot/dialects/drill.html b/docs/sqlglot/dialects/drill.html
index 1d61622..c97461c 100644
--- a/docs/sqlglot/dialects/drill.html
+++ b/docs/sqlglot/dialects/drill.html
@@ -762,6 +762,7 @@ Default: True
                 
currentdate_sql

                 
collate_sql

                 
command_sql

+                
comment_sql

                 
transaction_sql

                 
commit_sql

                 
rollback_sql

@@ -776,6 +777,7 @@ Default: True
                 
intdiv_sql

                 
dpipe_sql

                 
div_sql

+                
overlaps_sql

                 
distance_sql

                 
dot_sql

                 
eq_sql

diff --git a/docs/sqlglot/dialects/duckdb.html b/docs/sqlglot/dialects/duckdb.html
index 16953f1..b7d906f 100644
--- a/docs/sqlglot/dialects/duckdb.html
+++ b/docs/sqlglot/dialects/duckdb.html
@@ -162,96 +162,102 @@
  83            ":=": TokenType.EQ,
  84            "ATTACH": TokenType.COMMAND,
  85            "CHARACTER VARYING": TokenType.VARCHAR,
- 86        }
- 87
- 88    class Parser(parser.Parser):
- 89        FUNCTIONS = {
- 90            **parser.Parser.FUNCTIONS,  # type: ignore
- 91            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
- 92            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
- 93            "ARRAY_SORT": exp.SortArray.from_arg_list,
- 94            "ARRAY_REVERSE_SORT": _sort_array_reverse,
- 95            "EPOCH": exp.TimeToUnix.from_arg_list,
- 96            "EPOCH_MS": lambda args: exp.UnixToTime(
- 97                this=exp.Div(
- 98                    this=seq_get(args, 0),
- 99                    expression=exp.Literal.number(1000),
-100                )
-101            ),
-102            "LIST_SORT": exp.SortArray.from_arg_list,
-103            "LIST_REVERSE_SORT": _sort_array_reverse,
-104            "LIST_VALUE": exp.Array.from_arg_list,
-105            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
-106            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
-107            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
-108            "STR_SPLIT": exp.Split.from_arg_list,
-109            "STRING_SPLIT": exp.Split.from_arg_list,
-110            "STRING_TO_ARRAY": exp.Split.from_arg_list,
-111            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-112            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-113            "STRUCT_PACK": exp.Struct.from_arg_list,
-114            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
-115            "UNNEST": exp.Explode.from_arg_list,
-116        }
-117
-118    class Generator(generator.Generator):
-119        STRUCT_DELIMITER = ("(", ")")
-120
-121        TRANSFORMS = {
-122            **generator.Generator.TRANSFORMS,  # type: ignore
-123            exp.ApproxDistinct: approx_count_distinct_sql,
-124            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
-125            if isinstance(seq_get(e.expressions, 0), exp.Select)
-126            else rename_func("LIST_VALUE")(self, e),
-127            exp.ArraySize: rename_func("ARRAY_LENGTH"),
-128            exp.ArraySort: _array_sort_sql,
-129            exp.ArraySum: rename_func("LIST_SUM"),
-130            exp.DataType: _datatype_sql,
-131            exp.DateAdd: _date_add,
-132            exp.DateDiff: lambda self, e: self.func(
-133                "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this
-134            ),
-135            exp.DateStrToDate: datestrtodate_sql,
-136            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
-137            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
-138            exp.Explode: rename_func("UNNEST"),
-139            exp.JSONExtract: arrow_json_extract_sql,
-140            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-141            exp.JSONBExtract: arrow_json_extract_sql,
-142            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
-143            exp.LogicalOr: rename_func("BOOL_OR"),
-144            exp.Pivot: no_pivot_sql,
-145            exp.Properties: no_properties_sql,
-146            exp.RegexpExtract: _regexp_extract_sql,
-147            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
-148            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
-149            exp.SafeDivide: no_safe_divide_sql,
-150            exp.Split: rename_func("STR_SPLIT"),
-151            exp.SortArray: _sort_array_sql,
-152            exp.StrPosition: str_position_sql,
-153            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
-154            exp.StrToTime: str_to_time_sql,
-155            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
-156            exp.Struct: _struct_sql,
-157            exp.TableSample: no_tablesample_sql,
-158            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
-159            exp.TimeStrToTime: timestrtotime_sql,
-160            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
-161            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
-162            exp.TimeToUnix: rename_func("EPOCH"),
-163            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
-164            exp.TsOrDsAdd: _ts_or_ds_add,
-165            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
-166            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
-167            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
-168            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
-169        }
-170
-171        TYPE_MAPPING = {
-172            **generator.Generator.TYPE_MAPPING,  # type: ignore
-173            exp.DataType.Type.VARCHAR: "TEXT",
-174            exp.DataType.Type.NVARCHAR: "TEXT",
-175        }
+ 86            "EXCLUDE": TokenType.EXCEPT,
+ 87        }
+ 88
+ 89    class Parser(parser.Parser):
+ 90        FUNCTIONS = {
+ 91            **parser.Parser.FUNCTIONS,  # type: ignore
+ 92            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
+ 93            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
+ 94            "ARRAY_SORT": exp.SortArray.from_arg_list,
+ 95            "ARRAY_REVERSE_SORT": _sort_array_reverse,
+ 96            "EPOCH": exp.TimeToUnix.from_arg_list,
+ 97            "EPOCH_MS": lambda args: exp.UnixToTime(
+ 98                this=exp.Div(
+ 99                    this=seq_get(args, 0),
+100                    expression=exp.Literal.number(1000),
+101                )
+102            ),
+103            "LIST_SORT": exp.SortArray.from_arg_list,
+104            "LIST_REVERSE_SORT": _sort_array_reverse,
+105            "LIST_VALUE": exp.Array.from_arg_list,
+106            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
+107            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
+108            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
+109            "STR_SPLIT": exp.Split.from_arg_list,
+110            "STRING_SPLIT": exp.Split.from_arg_list,
+111            "STRING_TO_ARRAY": exp.Split.from_arg_list,
+112            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+113            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+114            "STRUCT_PACK": exp.Struct.from_arg_list,
+115            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
+116            "UNNEST": exp.Explode.from_arg_list,
+117        }
+118
+119    class Generator(generator.Generator):
+120        STRUCT_DELIMITER = ("(", ")")
+121
+122        TRANSFORMS = {
+123            **generator.Generator.TRANSFORMS,  # type: ignore
+124            exp.ApproxDistinct: approx_count_distinct_sql,
+125            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
+126            if isinstance(seq_get(e.expressions, 0), exp.Select)
+127            else rename_func("LIST_VALUE")(self, e),
+128            exp.ArraySize: rename_func("ARRAY_LENGTH"),
+129            exp.ArraySort: _array_sort_sql,
+130            exp.ArraySum: rename_func("LIST_SUM"),
+131            exp.DataType: _datatype_sql,
+132            exp.DateAdd: _date_add,
+133            exp.DateDiff: lambda self, e: self.func(
+134                "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this
+135            ),
+136            exp.DateStrToDate: datestrtodate_sql,
+137            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
+138            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
+139            exp.Explode: rename_func("UNNEST"),
+140            exp.JSONExtract: arrow_json_extract_sql,
+141            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+142            exp.JSONBExtract: arrow_json_extract_sql,
+143            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
+144            exp.LogicalOr: rename_func("BOOL_OR"),
+145            exp.Pivot: no_pivot_sql,
+146            exp.Properties: no_properties_sql,
+147            exp.RegexpExtract: _regexp_extract_sql,
+148            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
+149            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
+150            exp.SafeDivide: no_safe_divide_sql,
+151            exp.Split: rename_func("STR_SPLIT"),
+152            exp.SortArray: _sort_array_sql,
+153            exp.StrPosition: str_position_sql,
+154            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
+155            exp.StrToTime: str_to_time_sql,
+156            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
+157            exp.Struct: _struct_sql,
+158            exp.TableSample: no_tablesample_sql,
+159            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
+160            exp.TimeStrToTime: timestrtotime_sql,
+161            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
+162            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
+163            exp.TimeToUnix: rename_func("EPOCH"),
+164            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
+165            exp.TsOrDsAdd: _ts_or_ds_add,
+166            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
+167            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
+168            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
+169            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
+170        }
+171
+172        TYPE_MAPPING = {
+173            **generator.Generator.TYPE_MAPPING,  # type: ignore
+174            exp.DataType.Type.VARCHAR: "TEXT",
+175            exp.DataType.Type.NVARCHAR: "TEXT",
+176        }
+177
+178        STAR_MAPPING = {
+179            **generator.Generator.STAR_MAPPING,
+180            "except": "EXCLUDE",
+181        }
@@ -274,96 +280,102 @@ 84 ":=": TokenType.EQ, 85 "ATTACH": TokenType.COMMAND, 86 "CHARACTER VARYING": TokenType.VARCHAR, - 87 } - 88 - 89 class Parser(parser.Parser): - 90 FUNCTIONS = { - 91 **parser.Parser.FUNCTIONS, # type: ignore - 92 "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list, - 93 "ARRAY_LENGTH": exp.ArraySize.from_arg_list, - 94 "ARRAY_SORT": exp.SortArray.from_arg_list, - 95 "ARRAY_REVERSE_SORT": _sort_array_reverse, - 96 "EPOCH": exp.TimeToUnix.from_arg_list, - 97 "EPOCH_MS": lambda args: exp.UnixToTime( - 98 this=exp.Div( - 99 this=seq_get(args, 0), -100 expression=exp.Literal.number(1000), -101 ) -102 ), -103 "LIST_SORT": exp.SortArray.from_arg_list, -104 "LIST_REVERSE_SORT": _sort_array_reverse, -105 "LIST_VALUE": exp.Array.from_arg_list, -106 "REGEXP_MATCHES": exp.RegexpLike.from_arg_list, -107 "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"), -108 "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"), -109 "STR_SPLIT": exp.Split.from_arg_list, -110 "STRING_SPLIT": exp.Split.from_arg_list, -111 "STRING_TO_ARRAY": exp.Split.from_arg_list, -112 "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list, -113 "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list, -114 "STRUCT_PACK": exp.Struct.from_arg_list, -115 "TO_TIMESTAMP": exp.UnixToTime.from_arg_list, -116 "UNNEST": exp.Explode.from_arg_list, -117 } -118 -119 class Generator(generator.Generator): -120 STRUCT_DELIMITER = ("(", ")") -121 -122 TRANSFORMS = { -123 **generator.Generator.TRANSFORMS, # type: ignore -124 exp.ApproxDistinct: approx_count_distinct_sql, -125 exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0]) -126 if isinstance(seq_get(e.expressions, 0), exp.Select) -127 else rename_func("LIST_VALUE")(self, e), -128 exp.ArraySize: rename_func("ARRAY_LENGTH"), -129 exp.ArraySort: _array_sort_sql, -130 exp.ArraySum: rename_func("LIST_SUM"), -131 exp.DataType: _datatype_sql, -132 exp.DateAdd: _date_add, -133 exp.DateDiff: lambda self, e: self.func( -134 "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this -135 ), -136 exp.DateStrToDate: datestrtodate_sql, -137 exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)", -138 exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)", -139 exp.Explode: rename_func("UNNEST"), -140 exp.JSONExtract: arrow_json_extract_sql, -141 exp.JSONExtractScalar: arrow_json_extract_scalar_sql, -142 exp.JSONBExtract: arrow_json_extract_sql, -143 exp.JSONBExtractScalar: arrow_json_extract_scalar_sql, -144 exp.LogicalOr: rename_func("BOOL_OR"), -145 exp.Pivot: no_pivot_sql, -146 exp.Properties: no_properties_sql, -147 exp.RegexpExtract: _regexp_extract_sql, -148 exp.RegexpLike: rename_func("REGEXP_MATCHES"), -149 exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"), -150 exp.SafeDivide: no_safe_divide_sql, -151 exp.Split: rename_func("STR_SPLIT"), -152 exp.SortArray: _sort_array_sql, -153 exp.StrPosition: str_position_sql, -154 exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)", -155 exp.StrToTime: str_to_time_sql, -156 exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))", -157 exp.Struct: _struct_sql, -158 exp.TableSample: no_tablesample_sql, -159 exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)", -160 exp.TimeStrToTime: timestrtotime_sql, -161 exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))", -162 exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})", -163 exp.TimeToUnix: rename_func("EPOCH"), -164 exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)", -165 exp.TsOrDsAdd: _ts_or_ds_add, -166 exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"), -167 exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})", -168 exp.UnixToTime: rename_func("TO_TIMESTAMP"), -169 exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)", -170 } -171 -172 TYPE_MAPPING = { -173 **generator.Generator.TYPE_MAPPING, # type: ignore -174 exp.DataType.Type.VARCHAR: "TEXT", -175 exp.DataType.Type.NVARCHAR: "TEXT", -176 } + 87 "EXCLUDE": TokenType.EXCEPT, + 88 } + 89 + 90 class Parser(parser.Parser): + 91 FUNCTIONS = { + 92 **parser.Parser.FUNCTIONS, # type: ignore + 93 "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list, + 94 "ARRAY_LENGTH": exp.ArraySize.from_arg_list, + 95 "ARRAY_SORT": exp.SortArray.from_arg_list, + 96 "ARRAY_REVERSE_SORT": _sort_array_reverse, + 97 "EPOCH": exp.TimeToUnix.from_arg_list, + 98 "EPOCH_MS": lambda args: exp.UnixToTime( + 99 this=exp.Div( +100 this=seq_get(args, 0), +101 expression=exp.Literal.number(1000), +102 ) +103 ), +104 "LIST_SORT": exp.SortArray.from_arg_list, +105 "LIST_REVERSE_SORT": _sort_array_reverse, +106 "LIST_VALUE": exp.Array.from_arg_list, +107 "REGEXP_MATCHES": exp.RegexpLike.from_arg_list, +108 "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"), +109 "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"), +110 "STR_SPLIT": exp.Split.from_arg_list, +111 "STRING_SPLIT": exp.Split.from_arg_list, +112 "STRING_TO_ARRAY": exp.Split.from_arg_list, +113 "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list, +114 "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list, +115 "STRUCT_PACK": exp.Struct.from_arg_list, +116 "TO_TIMESTAMP": exp.UnixToTime.from_arg_list, +117 "UNNEST": exp.Explode.from_arg_list, +118 } +119 +120 class Generator(generator.Generator): +121 STRUCT_DELIMITER = ("(", ")") +122 +123 TRANSFORMS = { +124 **generator.Generator.TRANSFORMS, # type: ignore +125 exp.ApproxDistinct: approx_count_distinct_sql, +126 exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0]) +127 if isinstance(seq_get(e.expressions, 0), exp.Select) +128 else rename_func("LIST_VALUE")(self, e), +129 exp.ArraySize: rename_func("ARRAY_LENGTH"), +130 exp.ArraySort: _array_sort_sql, +131 exp.ArraySum: rename_func("LIST_SUM"), +132 exp.DataType: _datatype_sql, +133 exp.DateAdd: _date_add, +134 exp.DateDiff: lambda self, e: self.func( +135 "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this +136 ), +137 exp.DateStrToDate: datestrtodate_sql, +138 exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)", +139 exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)", +140 exp.Explode: rename_func("UNNEST"), +141 exp.JSONExtract: arrow_json_extract_sql, +142 exp.JSONExtractScalar: arrow_json_extract_scalar_sql, +143 exp.JSONBExtract: arrow_json_extract_sql, +144 exp.JSONBExtractScalar: arrow_json_extract_scalar_sql, +145 exp.LogicalOr: rename_func("BOOL_OR"), +146 exp.Pivot: no_pivot_sql, +147 exp.Properties: no_properties_sql, +148 exp.RegexpExtract: _regexp_extract_sql, +149 exp.RegexpLike: rename_func("REGEXP_MATCHES"), +150 exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"), +151 exp.SafeDivide: no_safe_divide_sql, +152 exp.Split: rename_func("STR_SPLIT"), +153 exp.SortArray: _sort_array_sql, +154 exp.StrPosition: str_position_sql, +155 exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)", +156 exp.StrToTime: str_to_time_sql, +157 exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))", +158 exp.Struct: _struct_sql, +159 exp.TableSample: no_tablesample_sql, +160 exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)", +161 exp.TimeStrToTime: timestrtotime_sql, +162 exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))", +163 exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})", +164 exp.TimeToUnix: rename_func("EPOCH"), +165 exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)", +166 exp.TsOrDsAdd: _ts_or_ds_add, +167 exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"), +168 exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})", +169 exp.UnixToTime: rename_func("TO_TIMESTAMP"), +170 exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)", +171 } +172 +173 TYPE_MAPPING = { +174 **generator.Generator.TYPE_MAPPING, # type: ignore +175 exp.DataType.Type.VARCHAR: "TEXT", +176 exp.DataType.Type.NVARCHAR: "TEXT", +177 } +178 +179 STAR_MAPPING = { +180 **generator.Generator.STAR_MAPPING, +181 "except": "EXCLUDE", +182 }
@@ -403,7 +415,8 @@ 84 ":=": TokenType.EQ, 85 "ATTACH": TokenType.COMMAND, 86 "CHARACTER VARYING": TokenType.VARCHAR, -87 } +87 "EXCLUDE": TokenType.EXCEPT, +88 }
@@ -431,35 +444,35 @@
- 
 89    class Parser(parser.Parser):
- 90        FUNCTIONS = {
- 91            **parser.Parser.FUNCTIONS,  # type: ignore
- 92            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
- 93            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
- 94            "ARRAY_SORT": exp.SortArray.from_arg_list,
- 95            "ARRAY_REVERSE_SORT": _sort_array_reverse,
- 96            "EPOCH": exp.TimeToUnix.from_arg_list,
- 97            "EPOCH_MS": lambda args: exp.UnixToTime(
- 98                this=exp.Div(
- 99                    this=seq_get(args, 0),
-100                    expression=exp.Literal.number(1000),
-101                )
-102            ),
-103            "LIST_SORT": exp.SortArray.from_arg_list,
-104            "LIST_REVERSE_SORT": _sort_array_reverse,
-105            "LIST_VALUE": exp.Array.from_arg_list,
-106            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
-107            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
-108            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
-109            "STR_SPLIT": exp.Split.from_arg_list,
-110            "STRING_SPLIT": exp.Split.from_arg_list,
-111            "STRING_TO_ARRAY": exp.Split.from_arg_list,
-112            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-113            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
-114            "STRUCT_PACK": exp.Struct.from_arg_list,
-115            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
-116            "UNNEST": exp.Explode.from_arg_list,
-117        }
+            
 90    class Parser(parser.Parser):
+ 91        FUNCTIONS = {
+ 92            **parser.Parser.FUNCTIONS,  # type: ignore
+ 93            "APPROX_COUNT_DISTINCT": exp.ApproxDistinct.from_arg_list,
+ 94            "ARRAY_LENGTH": exp.ArraySize.from_arg_list,
+ 95            "ARRAY_SORT": exp.SortArray.from_arg_list,
+ 96            "ARRAY_REVERSE_SORT": _sort_array_reverse,
+ 97            "EPOCH": exp.TimeToUnix.from_arg_list,
+ 98            "EPOCH_MS": lambda args: exp.UnixToTime(
+ 99                this=exp.Div(
+100                    this=seq_get(args, 0),
+101                    expression=exp.Literal.number(1000),
+102                )
+103            ),
+104            "LIST_SORT": exp.SortArray.from_arg_list,
+105            "LIST_REVERSE_SORT": _sort_array_reverse,
+106            "LIST_VALUE": exp.Array.from_arg_list,
+107            "REGEXP_MATCHES": exp.RegexpLike.from_arg_list,
+108            "STRFTIME": format_time_lambda(exp.TimeToStr, "duckdb"),
+109            "STRPTIME": format_time_lambda(exp.StrToTime, "duckdb"),
+110            "STR_SPLIT": exp.Split.from_arg_list,
+111            "STRING_SPLIT": exp.Split.from_arg_list,
+112            "STRING_TO_ARRAY": exp.Split.from_arg_list,
+113            "STR_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+114            "STRING_SPLIT_REGEX": exp.RegexpSplit.from_arg_list,
+115            "STRUCT_PACK": exp.Struct.from_arg_list,
+116            "TO_TIMESTAMP": exp.UnixToTime.from_arg_list,
+117            "UNNEST": exp.Explode.from_arg_list,
+118        }
 

 
 
@@ -516,64 +529,69 @@ Default: "nulls_are_small"
- 
119    class Generator(generator.Generator):
-120        STRUCT_DELIMITER = ("(", ")")
-121
-122        TRANSFORMS = {
-123            **generator.Generator.TRANSFORMS,  # type: ignore
-124            exp.ApproxDistinct: approx_count_distinct_sql,
-125            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
-126            if isinstance(seq_get(e.expressions, 0), exp.Select)
-127            else rename_func("LIST_VALUE")(self, e),
-128            exp.ArraySize: rename_func("ARRAY_LENGTH"),
-129            exp.ArraySort: _array_sort_sql,
-130            exp.ArraySum: rename_func("LIST_SUM"),
-131            exp.DataType: _datatype_sql,
-132            exp.DateAdd: _date_add,
-133            exp.DateDiff: lambda self, e: self.func(
-134                "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this
-135            ),
-136            exp.DateStrToDate: datestrtodate_sql,
-137            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
-138            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
-139            exp.Explode: rename_func("UNNEST"),
-140            exp.JSONExtract: arrow_json_extract_sql,
-141            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-142            exp.JSONBExtract: arrow_json_extract_sql,
-143            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
-144            exp.LogicalOr: rename_func("BOOL_OR"),
-145            exp.Pivot: no_pivot_sql,
-146            exp.Properties: no_properties_sql,
-147            exp.RegexpExtract: _regexp_extract_sql,
-148            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
-149            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
-150            exp.SafeDivide: no_safe_divide_sql,
-151            exp.Split: rename_func("STR_SPLIT"),
-152            exp.SortArray: _sort_array_sql,
-153            exp.StrPosition: str_position_sql,
-154            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
-155            exp.StrToTime: str_to_time_sql,
-156            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
-157            exp.Struct: _struct_sql,
-158            exp.TableSample: no_tablesample_sql,
-159            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
-160            exp.TimeStrToTime: timestrtotime_sql,
-161            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
-162            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
-163            exp.TimeToUnix: rename_func("EPOCH"),
-164            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
-165            exp.TsOrDsAdd: _ts_or_ds_add,
-166            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
-167            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
-168            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
-169            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
-170        }
-171
-172        TYPE_MAPPING = {
-173            **generator.Generator.TYPE_MAPPING,  # type: ignore
-174            exp.DataType.Type.VARCHAR: "TEXT",
-175            exp.DataType.Type.NVARCHAR: "TEXT",
-176        }
+            
120    class Generator(generator.Generator):
+121        STRUCT_DELIMITER = ("(", ")")
+122
+123        TRANSFORMS = {
+124            **generator.Generator.TRANSFORMS,  # type: ignore
+125            exp.ApproxDistinct: approx_count_distinct_sql,
+126            exp.Array: lambda self, e: self.func("ARRAY", e.expressions[0])
+127            if isinstance(seq_get(e.expressions, 0), exp.Select)
+128            else rename_func("LIST_VALUE")(self, e),
+129            exp.ArraySize: rename_func("ARRAY_LENGTH"),
+130            exp.ArraySort: _array_sort_sql,
+131            exp.ArraySum: rename_func("LIST_SUM"),
+132            exp.DataType: _datatype_sql,
+133            exp.DateAdd: _date_add,
+134            exp.DateDiff: lambda self, e: self.func(
+135                "DATE_DIFF", e.args.get("unit") or exp.Literal.string("day"), e.expression, e.this
+136            ),
+137            exp.DateStrToDate: datestrtodate_sql,
+138            exp.DateToDi: lambda self, e: f"CAST(STRFTIME({self.sql(e, 'this')}, {DuckDB.dateint_format}) AS INT)",
+139            exp.DiToDate: lambda self, e: f"CAST(STRPTIME(CAST({self.sql(e, 'this')} AS TEXT), {DuckDB.dateint_format}) AS DATE)",
+140            exp.Explode: rename_func("UNNEST"),
+141            exp.JSONExtract: arrow_json_extract_sql,
+142            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+143            exp.JSONBExtract: arrow_json_extract_sql,
+144            exp.JSONBExtractScalar: arrow_json_extract_scalar_sql,
+145            exp.LogicalOr: rename_func("BOOL_OR"),
+146            exp.Pivot: no_pivot_sql,
+147            exp.Properties: no_properties_sql,
+148            exp.RegexpExtract: _regexp_extract_sql,
+149            exp.RegexpLike: rename_func("REGEXP_MATCHES"),
+150            exp.RegexpSplit: rename_func("STR_SPLIT_REGEX"),
+151            exp.SafeDivide: no_safe_divide_sql,
+152            exp.Split: rename_func("STR_SPLIT"),
+153            exp.SortArray: _sort_array_sql,
+154            exp.StrPosition: str_position_sql,
+155            exp.StrToDate: lambda self, e: f"CAST({str_to_time_sql(self, e)} AS DATE)",
+156            exp.StrToTime: str_to_time_sql,
+157            exp.StrToUnix: lambda self, e: f"EPOCH(STRPTIME({self.sql(e, 'this')}, {self.format_time(e)}))",
+158            exp.Struct: _struct_sql,
+159            exp.TableSample: no_tablesample_sql,
+160            exp.TimeStrToDate: lambda self, e: f"CAST({self.sql(e, 'this')} AS DATE)",
+161            exp.TimeStrToTime: timestrtotime_sql,
+162            exp.TimeStrToUnix: lambda self, e: f"EPOCH(CAST({self.sql(e, 'this')} AS TIMESTAMP))",
+163            exp.TimeToStr: lambda self, e: f"STRFTIME({self.sql(e, 'this')}, {self.format_time(e)})",
+164            exp.TimeToUnix: rename_func("EPOCH"),
+165            exp.TsOrDiToDi: lambda self, e: f"CAST(SUBSTR(REPLACE(CAST({self.sql(e, 'this')} AS TEXT), '-', ''), 1, 8) AS INT)",
+166            exp.TsOrDsAdd: _ts_or_ds_add,
+167            exp.TsOrDsToDate: ts_or_ds_to_date_sql("duckdb"),
+168            exp.UnixToStr: lambda self, e: f"STRFTIME(TO_TIMESTAMP({self.sql(e, 'this')}), {self.format_time(e)})",
+169            exp.UnixToTime: rename_func("TO_TIMESTAMP"),
+170            exp.UnixToTimeStr: lambda self, e: f"CAST(TO_TIMESTAMP({self.sql(e, 'this')}) AS TEXT)",
+171        }
+172
+173        TYPE_MAPPING = {
+174            **generator.Generator.TYPE_MAPPING,  # type: ignore
+175            exp.DataType.Type.VARCHAR: "TEXT",
+176            exp.DataType.Type.NVARCHAR: "TEXT",
+177        }
+178
+179        STAR_MAPPING = {
+180            **generator.Generator.STAR_MAPPING,
+181            "except": "EXCLUDE",
+182        }
 

 
 
@@ -780,6 +798,7 @@ Default: True
                 
currentdate_sql

                 
collate_sql

                 
command_sql

+                
comment_sql

                 
transaction_sql

                 
commit_sql

                 
rollback_sql

@@ -794,6 +813,7 @@ Default: True
                 
intdiv_sql

                 
dpipe_sql

                 
div_sql

+                
overlaps_sql

                 
distance_sql

                 
dot_sql

                 
eq_sql

diff --git a/docs/sqlglot/dialects/hive.html b/docs/sqlglot/dialects/hive.html
index 143c696..4677a87 100644
--- a/docs/sqlglot/dialects/hive.html
+++ b/docs/sqlglot/dialects/hive.html
@@ -1204,6 +1204,7 @@ Default: True
                 
currentdate_sql

                 
collate_sql

                 
command_sql

+                
comment_sql

                 
transaction_sql

                 
commit_sql

                 
rollback_sql

@@ -1218,6 +1219,7 @@ Default: True
                 
intdiv_sql

                 
dpipe_sql

                 
div_sql

+                
overlaps_sql

                 
distance_sql

                 
dot_sql

                 
eq_sql

diff --git a/docs/sqlglot/dialects/mysql.html b/docs/sqlglot/dialects/mysql.html
index 84be7a3..40d0aad 100644
--- a/docs/sqlglot/dialects/mysql.html
+++ b/docs/sqlglot/dialects/mysql.html
@@ -1913,6 +1913,7 @@ Default: True
                 
currentdate_sql

                 
collate_sql

                 
command_sql

+                
comment_sql

                 
transaction_sql

                 
commit_sql

                 
rollback_sql

@@ -1927,6 +1928,7 @@ Default: True
                 
intdiv_sql

                 
dpipe_sql

                 
div_sql

+                
overlaps_sql

                 
distance_sql

                 
dot_sql

                 
eq_sql

diff --git a/docs/sqlglot/dialects/oracle.html b/docs/sqlglot/dialects/oracle.html
index 23056a8..b263277 100644
--- a/docs/sqlglot/dialects/oracle.html
+++ b/docs/sqlglot/dialects/oracle.html
@@ -49,7 +49,7 @@
                                             offset_sql
                                     
                                     
  • 
-                                            table_sql
+                                            column_sql
                                     
    • 
                                     
  • 
                                             xmltable_sql
@@ -173,89 +173,99 @@
  82            "XMLTABLE": _parse_xml_table,
  83        }
  84
- 85    class Generator(generator.Generator):
- 86        LOCKING_READS_SUPPORTED = True
- 87
- 88        TYPE_MAPPING = {
- 89            **generator.Generator.TYPE_MAPPING,  # type: ignore
- 90            exp.DataType.Type.TINYINT: "NUMBER",
- 91            exp.DataType.Type.SMALLINT: "NUMBER",
- 92            exp.DataType.Type.INT: "NUMBER",
- 93            exp.DataType.Type.BIGINT: "NUMBER",
- 94            exp.DataType.Type.DECIMAL: "NUMBER",
- 95            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
- 96            exp.DataType.Type.VARCHAR: "VARCHAR2",
- 97            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
- 98            exp.DataType.Type.TEXT: "CLOB",
- 99            exp.DataType.Type.BINARY: "BLOB",
-100            exp.DataType.Type.VARBINARY: "BLOB",
-101        }
-102
-103        TRANSFORMS = {
-104            **generator.Generator.TRANSFORMS,  # type: ignore
-105            **transforms.UNALIAS_GROUP,  # type: ignore
-106            exp.ILike: no_ilike_sql,
-107            exp.Limit: _limit_sql,
-108            exp.Trim: trim_sql,
-109            exp.Matches: rename_func("DECODE"),
-110            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-111            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-112            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
-113            exp.Substring: rename_func("SUBSTR"),
-114        }
-115
-116        def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
-117            return csv(
-118                *sqls,
-119                *[self.sql(sql) for sql in expression.args.get("joins") or []],
-120                self.sql(expression, "match"),
-121                *[self.sql(sql) for sql in expression.args.get("laterals") or []],
-122                self.sql(expression, "where"),
-123                self.sql(expression, "group"),
-124                self.sql(expression, "having"),
-125                self.sql(expression, "qualify"),
-126                self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
-127                if expression.args.get("windows")
-128                else "",
-129                self.sql(expression, "distribute"),
-130                self.sql(expression, "sort"),
-131                self.sql(expression, "cluster"),
-132                self.sql(expression, "order"),
-133                self.sql(expression, "offset"),  # offset before limit in oracle
-134                self.sql(expression, "limit"),
-135                self.sql(expression, "lock"),
-136                sep="",
-137            )
-138
-139        def offset_sql(self, expression: exp.Offset) -> str:
-140            return f"{super().offset_sql(expression)} ROWS"
-141
-142        def table_sql(self, expression: exp.Table, sep: str = " ") -> str:
-143            return super().table_sql(expression, sep=sep)
-144
-145        def xmltable_sql(self, expression: exp.XMLTable) -> str:
-146            this = self.sql(expression, "this")
-147            passing = self.expressions(expression, "passing")
-148            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
-149            columns = self.expressions(expression, "columns")
-150            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
-151            by_ref = (
-152                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
-153            )
-154            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
-155
-156    class Tokenizer(tokens.Tokenizer):
-157        KEYWORDS = {
-158            **tokens.Tokenizer.KEYWORDS,
-159            "COLUMNS": TokenType.COLUMN,
-160            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
-161            "MINUS": TokenType.EXCEPT,
-162            "NVARCHAR2": TokenType.NVARCHAR,
-163            "RETURNING": TokenType.RETURNING,
-164            "START": TokenType.BEGIN,
-165            "TOP": TokenType.TOP,
-166            "VARCHAR2": TokenType.VARCHAR,
-167        }
+ 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    class Generator(generator.Generator):
+ 92        LOCKING_READS_SUPPORTED = True
+ 93
+ 94        TYPE_MAPPING = {
+ 95            **generator.Generator.TYPE_MAPPING,  # type: ignore
+ 96            exp.DataType.Type.TINYINT: "NUMBER",
+ 97            exp.DataType.Type.SMALLINT: "NUMBER",
+ 98            exp.DataType.Type.INT: "NUMBER",
+ 99            exp.DataType.Type.BIGINT: "NUMBER",
+100            exp.DataType.Type.DECIMAL: "NUMBER",
+101            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+102            exp.DataType.Type.VARCHAR: "VARCHAR2",
+103            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
+104            exp.DataType.Type.TEXT: "CLOB",
+105            exp.DataType.Type.BINARY: "BLOB",
+106            exp.DataType.Type.VARBINARY: "BLOB",
+107        }
+108
+109        TRANSFORMS = {
+110            **generator.Generator.TRANSFORMS,  # type: ignore
+111            **transforms.UNALIAS_GROUP,  # type: ignore
+112            exp.ILike: no_ilike_sql,
+113            exp.Limit: _limit_sql,
+114            exp.Trim: trim_sql,
+115            exp.Matches: rename_func("DECODE"),
+116            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+117            exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "),
+118            exp.Table: lambda self, e: self.table_sql(e, sep=" "),
+119            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+120            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
+121            exp.Substring: rename_func("SUBSTR"),
+122        }
+123
+124        def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
+125            return csv(
+126                *sqls,
+127                *[self.sql(sql) for sql in expression.args.get("joins") or []],
+128                self.sql(expression, "match"),
+129                *[self.sql(sql) for sql in expression.args.get("laterals") or []],
+130                self.sql(expression, "where"),
+131                self.sql(expression, "group"),
+132                self.sql(expression, "having"),
+133                self.sql(expression, "qualify"),
+134                self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
+135                if expression.args.get("windows")
+136                else "",
+137                self.sql(expression, "distribute"),
+138                self.sql(expression, "sort"),
+139                self.sql(expression, "cluster"),
+140                self.sql(expression, "order"),
+141                self.sql(expression, "offset"),  # offset before limit in oracle
+142                self.sql(expression, "limit"),
+143                self.sql(expression, "lock"),
+144                sep="",
+145            )
+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, "passing")
+157            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
+158            columns = self.expressions(expression, "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        }
    • @@ -309,89 +319,99 @@ 83 "XMLTABLE": _parse_xml_table, 84 } 85 - 86 class Generator(generator.Generator): - 87 LOCKING_READS_SUPPORTED = True - 88 - 89 TYPE_MAPPING = { - 90 **generator.Generator.TYPE_MAPPING, # type: ignore - 91 exp.DataType.Type.TINYINT: "NUMBER", - 92 exp.DataType.Type.SMALLINT: "NUMBER", - 93 exp.DataType.Type.INT: "NUMBER", - 94 exp.DataType.Type.BIGINT: "NUMBER", - 95 exp.DataType.Type.DECIMAL: "NUMBER", - 96 exp.DataType.Type.DOUBLE: "DOUBLE PRECISION", - 97 exp.DataType.Type.VARCHAR: "VARCHAR2", - 98 exp.DataType.Type.NVARCHAR: "NVARCHAR2", - 99 exp.DataType.Type.TEXT: "CLOB", -100 exp.DataType.Type.BINARY: "BLOB", -101 exp.DataType.Type.VARBINARY: "BLOB", -102 } -103 -104 TRANSFORMS = { -105 **generator.Generator.TRANSFORMS, # type: ignore -106 **transforms.UNALIAS_GROUP, # type: ignore -107 exp.ILike: no_ilike_sql, -108 exp.Limit: _limit_sql, -109 exp.Trim: trim_sql, -110 exp.Matches: rename_func("DECODE"), -111 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", -112 exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})", -113 exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)", -114 exp.Substring: rename_func("SUBSTR"), -115 } -116 -117 def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str: -118 return csv( -119 *sqls, -120 *[self.sql(sql) for sql in expression.args.get("joins") or []], -121 self.sql(expression, "match"), -122 *[self.sql(sql) for sql in expression.args.get("laterals") or []], -123 self.sql(expression, "where"), -124 self.sql(expression, "group"), -125 self.sql(expression, "having"), -126 self.sql(expression, "qualify"), -127 self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True) -128 if expression.args.get("windows") -129 else "", -130 self.sql(expression, "distribute"), -131 self.sql(expression, "sort"), -132 self.sql(expression, "cluster"), -133 self.sql(expression, "order"), -134 self.sql(expression, "offset"), # offset before limit in oracle -135 self.sql(expression, "limit"), -136 self.sql(expression, "lock"), -137 sep="", -138 ) -139 -140 def offset_sql(self, expression: exp.Offset) -> str: -141 return f"{super().offset_sql(expression)} ROWS" -142 -143 def table_sql(self, expression: exp.Table, sep: str = " ") -> str: -144 return super().table_sql(expression, sep=sep) -145 -146 def xmltable_sql(self, expression: exp.XMLTable) -> str: -147 this = self.sql(expression, "this") -148 passing = self.expressions(expression, "passing") -149 passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else "" -150 columns = self.expressions(expression, "columns") -151 columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else "" -152 by_ref = ( -153 f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else "" -154 ) -155 return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}" -156 -157 class Tokenizer(tokens.Tokenizer): -158 KEYWORDS = { -159 **tokens.Tokenizer.KEYWORDS, -160 "COLUMNS": TokenType.COLUMN, -161 "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE, -162 "MINUS": TokenType.EXCEPT, -163 "NVARCHAR2": TokenType.NVARCHAR, -164 "RETURNING": TokenType.RETURNING, -165 "START": TokenType.BEGIN, -166 "TOP": TokenType.TOP, -167 "VARCHAR2": TokenType.VARCHAR, -168 } + 86 def _parse_column(self) -> t.Optional[exp.Expression]: + 87 column = super()._parse_column() + 88 if column: + 89 column.set("join_mark", self._match(TokenType.JOIN_MARKER)) + 90 return column + 91 + 92 class Generator(generator.Generator): + 93 LOCKING_READS_SUPPORTED = True + 94 + 95 TYPE_MAPPING = { + 96 **generator.Generator.TYPE_MAPPING, # type: ignore + 97 exp.DataType.Type.TINYINT: "NUMBER", + 98 exp.DataType.Type.SMALLINT: "NUMBER", + 99 exp.DataType.Type.INT: "NUMBER", +100 exp.DataType.Type.BIGINT: "NUMBER", +101 exp.DataType.Type.DECIMAL: "NUMBER", +102 exp.DataType.Type.DOUBLE: "DOUBLE PRECISION", +103 exp.DataType.Type.VARCHAR: "VARCHAR2", +104 exp.DataType.Type.NVARCHAR: "NVARCHAR2", +105 exp.DataType.Type.TEXT: "CLOB", +106 exp.DataType.Type.BINARY: "BLOB", +107 exp.DataType.Type.VARBINARY: "BLOB", +108 } +109 +110 TRANSFORMS = { +111 **generator.Generator.TRANSFORMS, # type: ignore +112 **transforms.UNALIAS_GROUP, # type: ignore +113 exp.ILike: no_ilike_sql, +114 exp.Limit: _limit_sql, +115 exp.Trim: trim_sql, +116 exp.Matches: rename_func("DECODE"), +117 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", +118 exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "), +119 exp.Table: lambda self, e: self.table_sql(e, sep=" "), +120 exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})", +121 exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)", +122 exp.Substring: rename_func("SUBSTR"), +123 } +124 +125 def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str: +126 return csv( +127 *sqls, +128 *[self.sql(sql) for sql in expression.args.get("joins") or []], +129 self.sql(expression, "match"), +130 *[self.sql(sql) for sql in expression.args.get("laterals") or []], +131 self.sql(expression, "where"), +132 self.sql(expression, "group"), +133 self.sql(expression, "having"), +134 self.sql(expression, "qualify"), +135 self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True) +136 if expression.args.get("windows") +137 else "", +138 self.sql(expression, "distribute"), +139 self.sql(expression, "sort"), +140 self.sql(expression, "cluster"), +141 self.sql(expression, "order"), +142 self.sql(expression, "offset"), # offset before limit in oracle +143 self.sql(expression, "limit"), +144 self.sql(expression, "lock"), +145 sep="", +146 ) +147 +148 def offset_sql(self, expression: exp.Offset) -> str: +149 return f"{super().offset_sql(expression)} ROWS" +150 +151 def column_sql(self, expression: exp.Column) -> str: +152 column = super().column_sql(expression) +153 return f"{column} (+)" if expression.args.get("join_mark") else column +154 +155 def xmltable_sql(self, expression: exp.XMLTable) -> str: +156 this = self.sql(expression, "this") +157 passing = self.expressions(expression, "passing") +158 passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else "" +159 columns = self.expressions(expression, "columns") +160 columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else "" +161 by_ref = ( +162 f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else "" +163 ) +164 return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}" +165 +166 class Tokenizer(tokens.Tokenizer): +167 KEYWORDS = { +168 **tokens.Tokenizer.KEYWORDS, +169 "(+)": TokenType.JOIN_MARKER, +170 "COLUMNS": TokenType.COLUMN, +171 "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE, +172 "MINUS": TokenType.EXCEPT, +173 "NVARCHAR2": TokenType.NVARCHAR, +174 "RETURNING": TokenType.RETURNING, +175 "START": TokenType.BEGIN, +176 "TOP": TokenType.TOP, +177 "VARCHAR2": TokenType.VARCHAR, +178 }
    @@ -435,6 +455,12 @@ 82 **parser.Parser.FUNCTION_PARSERS, 83 "XMLTABLE": _parse_xml_table, 84 } +85 +86 def _parse_column(self) -> t.Optional[exp.Expression]: +87 column = super()._parse_column() +88 if column: +89 column.set("join_mark", self._match(TokenType.JOIN_MARKER)) +90 return column
    @@ -491,76 +517,79 @@ Default: "nulls_are_small"
    - 
     86    class Generator(generator.Generator):
- 87        LOCKING_READS_SUPPORTED = True
- 88
- 89        TYPE_MAPPING = {
- 90            **generator.Generator.TYPE_MAPPING,  # type: ignore
- 91            exp.DataType.Type.TINYINT: "NUMBER",
- 92            exp.DataType.Type.SMALLINT: "NUMBER",
- 93            exp.DataType.Type.INT: "NUMBER",
- 94            exp.DataType.Type.BIGINT: "NUMBER",
- 95            exp.DataType.Type.DECIMAL: "NUMBER",
- 96            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
- 97            exp.DataType.Type.VARCHAR: "VARCHAR2",
- 98            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
- 99            exp.DataType.Type.TEXT: "CLOB",
-100            exp.DataType.Type.BINARY: "BLOB",
-101            exp.DataType.Type.VARBINARY: "BLOB",
-102        }
-103
-104        TRANSFORMS = {
-105            **generator.Generator.TRANSFORMS,  # type: ignore
-106            **transforms.UNALIAS_GROUP,  # type: ignore
-107            exp.ILike: no_ilike_sql,
-108            exp.Limit: _limit_sql,
-109            exp.Trim: trim_sql,
-110            exp.Matches: rename_func("DECODE"),
-111            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-112            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-113            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
-114            exp.Substring: rename_func("SUBSTR"),
-115        }
-116
-117        def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
-118            return csv(
-119                *sqls,
-120                *[self.sql(sql) for sql in expression.args.get("joins") or []],
-121                self.sql(expression, "match"),
-122                *[self.sql(sql) for sql in expression.args.get("laterals") or []],
-123                self.sql(expression, "where"),
-124                self.sql(expression, "group"),
-125                self.sql(expression, "having"),
-126                self.sql(expression, "qualify"),
-127                self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
-128                if expression.args.get("windows")
-129                else "",
-130                self.sql(expression, "distribute"),
-131                self.sql(expression, "sort"),
-132                self.sql(expression, "cluster"),
-133                self.sql(expression, "order"),
-134                self.sql(expression, "offset"),  # offset before limit in oracle
-135                self.sql(expression, "limit"),
-136                self.sql(expression, "lock"),
-137                sep="",
-138            )
-139
-140        def offset_sql(self, expression: exp.Offset) -> str:
-141            return f"{super().offset_sql(expression)} ROWS"
-142
-143        def table_sql(self, expression: exp.Table, sep: str = " ") -> str:
-144            return super().table_sql(expression, sep=sep)
-145
-146        def xmltable_sql(self, expression: exp.XMLTable) -> str:
-147            this = self.sql(expression, "this")
-148            passing = self.expressions(expression, "passing")
-149            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
-150            columns = self.expressions(expression, "columns")
-151            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
-152            by_ref = (
-153                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
-154            )
-155            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
+            
     92    class Generator(generator.Generator):
+ 93        LOCKING_READS_SUPPORTED = True
+ 94
+ 95        TYPE_MAPPING = {
+ 96            **generator.Generator.TYPE_MAPPING,  # type: ignore
+ 97            exp.DataType.Type.TINYINT: "NUMBER",
+ 98            exp.DataType.Type.SMALLINT: "NUMBER",
+ 99            exp.DataType.Type.INT: "NUMBER",
+100            exp.DataType.Type.BIGINT: "NUMBER",
+101            exp.DataType.Type.DECIMAL: "NUMBER",
+102            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+103            exp.DataType.Type.VARCHAR: "VARCHAR2",
+104            exp.DataType.Type.NVARCHAR: "NVARCHAR2",
+105            exp.DataType.Type.TEXT: "CLOB",
+106            exp.DataType.Type.BINARY: "BLOB",
+107            exp.DataType.Type.VARBINARY: "BLOB",
+108        }
+109
+110        TRANSFORMS = {
+111            **generator.Generator.TRANSFORMS,  # type: ignore
+112            **transforms.UNALIAS_GROUP,  # type: ignore
+113            exp.ILike: no_ilike_sql,
+114            exp.Limit: _limit_sql,
+115            exp.Trim: trim_sql,
+116            exp.Matches: rename_func("DECODE"),
+117            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+118            exp.Subquery: lambda self, e: self.subquery_sql(e, sep=" "),
+119            exp.Table: lambda self, e: self.table_sql(e, sep=" "),
+120            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+121            exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
+122            exp.Substring: rename_func("SUBSTR"),
+123        }
+124
+125        def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
+126            return csv(
+127                *sqls,
+128                *[self.sql(sql) for sql in expression.args.get("joins") or []],
+129                self.sql(expression, "match"),
+130                *[self.sql(sql) for sql in expression.args.get("laterals") or []],
+131                self.sql(expression, "where"),
+132                self.sql(expression, "group"),
+133                self.sql(expression, "having"),
+134                self.sql(expression, "qualify"),
+135                self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
+136                if expression.args.get("windows")
+137                else "",
+138                self.sql(expression, "distribute"),
+139                self.sql(expression, "sort"),
+140                self.sql(expression, "cluster"),
+141                self.sql(expression, "order"),
+142                self.sql(expression, "offset"),  # offset before limit in oracle
+143                self.sql(expression, "limit"),
+144                self.sql(expression, "lock"),
+145                sep="",
+146            )
+147
+148        def offset_sql(self, expression: exp.Offset) -> str:
+149            return f"{super().offset_sql(expression)} ROWS"
+150
+151        def column_sql(self, expression: exp.Column) -> str:
+152            column = super().column_sql(expression)
+153            return f"{column} (+)" if expression.args.get("join_mark") else column
+154
+155        def xmltable_sql(self, expression: exp.XMLTable) -> str:
+156            this = self.sql(expression, "this")
+157            passing = self.expressions(expression, "passing")
+158            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
+159            columns = self.expressions(expression, "columns")
+160            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
+161            by_ref = (
+162                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
+163            )
+164            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
 
    
 
 
@@ -620,28 +649,28 @@ Default: True
    - 
    117        def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
-118            return csv(
-119                *sqls,
-120                *[self.sql(sql) for sql in expression.args.get("joins") or []],
-121                self.sql(expression, "match"),
-122                *[self.sql(sql) for sql in expression.args.get("laterals") or []],
-123                self.sql(expression, "where"),
-124                self.sql(expression, "group"),
-125                self.sql(expression, "having"),
-126                self.sql(expression, "qualify"),
-127                self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
-128                if expression.args.get("windows")
-129                else "",
-130                self.sql(expression, "distribute"),
-131                self.sql(expression, "sort"),
-132                self.sql(expression, "cluster"),
-133                self.sql(expression, "order"),
-134                self.sql(expression, "offset"),  # offset before limit in oracle
-135                self.sql(expression, "limit"),
-136                self.sql(expression, "lock"),
-137                sep="",
-138            )
+            
    125        def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
+126            return csv(
+127                *sqls,
+128                *[self.sql(sql) for sql in expression.args.get("joins") or []],
+129                self.sql(expression, "match"),
+130                *[self.sql(sql) for sql in expression.args.get("laterals") or []],
+131                self.sql(expression, "where"),
+132                self.sql(expression, "group"),
+133                self.sql(expression, "having"),
+134                self.sql(expression, "qualify"),
+135                self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
+136                if expression.args.get("windows")
+137                else "",
+138                self.sql(expression, "distribute"),
+139                self.sql(expression, "sort"),
+140                self.sql(expression, "cluster"),
+141                self.sql(expression, "order"),
+142                self.sql(expression, "offset"),  # offset before limit in oracle
+143                self.sql(expression, "limit"),
+144                self.sql(expression, "lock"),
+145                sep="",
+146            )
 
    
 
 
@@ -659,27 +688,28 @@ Default: True
    - 
    140        def offset_sql(self, expression: exp.Offset) -> str:
-141            return f"{super().offset_sql(expression)} ROWS"
+            
    148        def offset_sql(self, expression: exp.Offset) -> str:
+149            return f"{super().offset_sql(expression)} ROWS"
    -
    - +
    +
    def - table_sql(self, expression: sqlglot.expressions.Table, sep: str = ' ') -> str: + column_sql(self, expression: sqlglot.expressions.Column) -> str: - +
    - - 
    143        def table_sql(self, expression: exp.Table, sep: str = " ") -> str:
-144            return super().table_sql(expression, sep=sep)
+    
+            
    151        def column_sql(self, expression: exp.Column) -> str:
+152            column = super().column_sql(expression)
+153            return f"{column} (+)" if expression.args.get("join_mark") else column
 
    
 
 
@@ -697,16 +727,16 @@ Default: True
    - 
    146        def xmltable_sql(self, expression: exp.XMLTable) -> str:
-147            this = self.sql(expression, "this")
-148            passing = self.expressions(expression, "passing")
-149            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
-150            columns = self.expressions(expression, "columns")
-151            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
-152            by_ref = (
-153                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
-154            )
-155            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
+            
    155        def xmltable_sql(self, expression: exp.XMLTable) -> str:
+156            this = self.sql(expression, "this")
+157            passing = self.expressions(expression, "passing")
+158            passing = f"{self.sep()}PASSING{self.seg(passing)}" if passing else ""
+159            columns = self.expressions(expression, "columns")
+160            columns = f"{self.sep()}COLUMNS{self.seg(columns)}" if columns else ""
+161            by_ref = (
+162                f"{self.sep()}RETURNING SEQUENCE BY REF" if expression.args.get("by_ref") else ""
+163            )
+164            return f"XMLTABLE({self.sep('')}{self.indent(this + passing + by_ref + columns)}{self.seg(')', sep='')}"
 
    
 
 
@@ -732,7 +762,6 @@ Default: True
                 
    uncache_sql
    
                 
    cache_sql
    
                 
    characterset_sql
    
-                
    column_sql
    
                 
    columndef_sql
    
                 
    columnconstraint_sql
    
                 
    autoincrementcolumnconstraint_sql
    
@@ -786,6 +815,7 @@ Default: True
                 
    introducer_sql
    
                 
    pseudotype_sql
    
                 
    rowformatdelimitedproperty_sql
    
+                
    table_sql
    
                 
    tablesample_sql
    
                 
    pivot_sql
    
                 
    tuple_sql
    
@@ -868,6 +898,7 @@ Default: True
                 
    currentdate_sql
    
                 
    collate_sql
    
                 
    command_sql
    
+                
    comment_sql
    
                 
    transaction_sql
    
                 
    commit_sql
    
                 
    rollback_sql
    
@@ -882,6 +913,7 @@ Default: True
                 
    intdiv_sql
    
                 
    dpipe_sql
    
                 
    div_sql
    
+                
    overlaps_sql
    
                 
    distance_sql
    
                 
    dot_sql
    
                 
    eq_sql
    
@@ -938,18 +970,19 @@ Default: True
    - 
    157    class Tokenizer(tokens.Tokenizer):
-158        KEYWORDS = {
-159            **tokens.Tokenizer.KEYWORDS,
-160            "COLUMNS": TokenType.COLUMN,
-161            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
-162            "MINUS": TokenType.EXCEPT,
-163            "NVARCHAR2": TokenType.NVARCHAR,
-164            "RETURNING": TokenType.RETURNING,
-165            "START": TokenType.BEGIN,
-166            "TOP": TokenType.TOP,
-167            "VARCHAR2": TokenType.VARCHAR,
-168        }
+            
    166    class Tokenizer(tokens.Tokenizer):
+167        KEYWORDS = {
+168            **tokens.Tokenizer.KEYWORDS,
+169            "(+)": TokenType.JOIN_MARKER,
+170            "COLUMNS": TokenType.COLUMN,
+171            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
+172            "MINUS": TokenType.EXCEPT,
+173            "NVARCHAR2": TokenType.NVARCHAR,
+174            "RETURNING": TokenType.RETURNING,
+175            "START": TokenType.BEGIN,
+176            "TOP": TokenType.TOP,
+177            "VARCHAR2": TokenType.VARCHAR,
+178        }
 
    
 
 
diff --git a/docs/sqlglot/dialects/postgres.html b/docs/sqlglot/dialects/postgres.html
index abc0ee2..b6da041 100644
--- a/docs/sqlglot/dialects/postgres.html
+++ b/docs/sqlglot/dialects/postgres.html
@@ -301,107 +301,105 @@
     222            "BEGIN TRANSACTION": TokenType.BEGIN,
 223            "BIGSERIAL": TokenType.BIGSERIAL,
 224            "CHARACTER VARYING": TokenType.VARCHAR,
-225            "COMMENT ON": TokenType.COMMAND,
-226            "DECLARE": TokenType.COMMAND,
-227            "DO": TokenType.COMMAND,
-228            "GRANT": TokenType.COMMAND,
-229            "HSTORE": TokenType.HSTORE,
-230            "JSONB": TokenType.JSONB,
-231            "REFRESH": TokenType.COMMAND,
-232            "REINDEX": TokenType.COMMAND,
-233            "RESET": TokenType.COMMAND,
-234            "REVOKE": TokenType.COMMAND,
-235            "SERIAL": TokenType.SERIAL,
-236            "SMALLSERIAL": TokenType.SMALLSERIAL,
-237            "TEMP": TokenType.TEMPORARY,
-238            "UUID": TokenType.UUID,
-239            "CSTRING": TokenType.PSEUDO_TYPE,
-240        }
-241
-242        SINGLE_TOKENS = {
-243            **tokens.Tokenizer.SINGLE_TOKENS,
-244            "$": TokenType.PARAMETER,
-245        }
-246
-247    class Parser(parser.Parser):
-248        STRICT_CAST = False
-249
-250        FUNCTIONS = {
-251            **parser.Parser.FUNCTIONS,  # type: ignore
-252            "NOW": exp.CurrentTimestamp.from_arg_list,
-253            "TO_TIMESTAMP": _to_timestamp,
-254            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
-255            "GENERATE_SERIES": _generate_series,
-256        }
-257
-258        BITWISE = {
-259            **parser.Parser.BITWISE,  # type: ignore
-260            TokenType.HASH: exp.BitwiseXor,
-261        }
-262
-263        FACTOR = {
-264            **parser.Parser.FACTOR,  # type: ignore
-265            TokenType.CARET: exp.Pow,
-266        }
-267
-268    class Generator(generator.Generator):
-269        LOCKING_READS_SUPPORTED = True
-270        PARAMETER_TOKEN = "$"
-271
-272        TYPE_MAPPING = {
-273            **generator.Generator.TYPE_MAPPING,  # type: ignore
-274            exp.DataType.Type.TINYINT: "SMALLINT",
-275            exp.DataType.Type.FLOAT: "REAL",
-276            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
-277            exp.DataType.Type.BINARY: "BYTEA",
-278            exp.DataType.Type.VARBINARY: "BYTEA",
-279            exp.DataType.Type.DATETIME: "TIMESTAMP",
-280        }
-281
-282        TRANSFORMS = {
-283            **generator.Generator.TRANSFORMS,  # type: ignore
-284            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
-285            exp.ColumnDef: preprocess(
-286                [
-287                    _auto_increment_to_serial,
-288                    _serial_to_generated,
-289                ],
-290                delegate("columndef_sql"),
-291            ),
-292            exp.JSONExtract: arrow_json_extract_sql,
-293            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-294            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
-295            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
-296            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
-297            exp.Pow: lambda self, e: self.binary(e, "^"),
-298            exp.CurrentDate: no_paren_current_date_sql,
-299            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
-300            exp.DateAdd: _date_add_sql("+"),
-301            exp.DateSub: _date_add_sql("-"),
-302            exp.DateDiff: _date_diff_sql,
-303            exp.LogicalOr: rename_func("BOOL_OR"),
-304            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
-305            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
-306            exp.StrPosition: str_position_sql,
-307            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-308            exp.Substring: _substring_sql,
-309            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
-310            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-311            exp.TableSample: no_tablesample_sql,
-312            exp.Trim: trim_sql,
-313            exp.TryCast: no_trycast_sql,
-314            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
-315            exp.DataType: _datatype_sql,
-316            exp.GroupConcat: _string_agg_sql,
-317            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
-318            if isinstance(seq_get(e.expressions, 0), exp.Select)
-319            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
-320        }
-321
-322        PROPERTIES_LOCATION = {
-323            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-324            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
-325        }
+225            "DECLARE": TokenType.COMMAND,
+226            "DO": TokenType.COMMAND,
+227            "HSTORE": TokenType.HSTORE,
+228            "JSONB": TokenType.JSONB,
+229            "REFRESH": TokenType.COMMAND,
+230            "REINDEX": TokenType.COMMAND,
+231            "RESET": TokenType.COMMAND,
+232            "REVOKE": TokenType.COMMAND,
+233            "SERIAL": TokenType.SERIAL,
+234            "SMALLSERIAL": TokenType.SMALLSERIAL,
+235            "TEMP": TokenType.TEMPORARY,
+236            "UUID": TokenType.UUID,
+237            "CSTRING": TokenType.PSEUDO_TYPE,
+238        }
+239
+240        SINGLE_TOKENS = {
+241            **tokens.Tokenizer.SINGLE_TOKENS,
+242            "$": TokenType.PARAMETER,
+243        }
+244
+245    class Parser(parser.Parser):
+246        STRICT_CAST = False
+247
+248        FUNCTIONS = {
+249            **parser.Parser.FUNCTIONS,  # type: ignore
+250            "NOW": exp.CurrentTimestamp.from_arg_list,
+251            "TO_TIMESTAMP": _to_timestamp,
+252            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
+253            "GENERATE_SERIES": _generate_series,
+254        }
+255
+256        BITWISE = {
+257            **parser.Parser.BITWISE,  # type: ignore
+258            TokenType.HASH: exp.BitwiseXor,
+259        }
+260
+261        FACTOR = {
+262            **parser.Parser.FACTOR,  # type: ignore
+263            TokenType.CARET: exp.Pow,
+264        }
+265
+266    class Generator(generator.Generator):
+267        LOCKING_READS_SUPPORTED = True
+268        PARAMETER_TOKEN = "$"
+269
+270        TYPE_MAPPING = {
+271            **generator.Generator.TYPE_MAPPING,  # type: ignore
+272            exp.DataType.Type.TINYINT: "SMALLINT",
+273            exp.DataType.Type.FLOAT: "REAL",
+274            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+275            exp.DataType.Type.BINARY: "BYTEA",
+276            exp.DataType.Type.VARBINARY: "BYTEA",
+277            exp.DataType.Type.DATETIME: "TIMESTAMP",
+278        }
+279
+280        TRANSFORMS = {
+281            **generator.Generator.TRANSFORMS,  # type: ignore
+282            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
+283            exp.ColumnDef: preprocess(
+284                [
+285                    _auto_increment_to_serial,
+286                    _serial_to_generated,
+287                ],
+288                delegate("columndef_sql"),
+289            ),
+290            exp.JSONExtract: arrow_json_extract_sql,
+291            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+292            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
+293            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
+294            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
+295            exp.Pow: lambda self, e: self.binary(e, "^"),
+296            exp.CurrentDate: no_paren_current_date_sql,
+297            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+298            exp.DateAdd: _date_add_sql("+"),
+299            exp.DateSub: _date_add_sql("-"),
+300            exp.DateDiff: _date_diff_sql,
+301            exp.LogicalOr: rename_func("BOOL_OR"),
+302            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
+303            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
+304            exp.StrPosition: str_position_sql,
+305            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+306            exp.Substring: _substring_sql,
+307            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
+308            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+309            exp.TableSample: no_tablesample_sql,
+310            exp.Trim: trim_sql,
+311            exp.TryCast: no_trycast_sql,
+312            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
+313            exp.DataType: _datatype_sql,
+314            exp.GroupConcat: _string_agg_sql,
+315            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
+316            if isinstance(seq_get(e.expressions, 0), exp.Select)
+317            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
+318        }
+319
+320        PROPERTIES_LOCATION = {
+321            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+322            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
+323        }
    @@ -467,107 +465,105 @@ 223 "BEGIN TRANSACTION": TokenType.BEGIN, 224 "BIGSERIAL": TokenType.BIGSERIAL, 225 "CHARACTER VARYING": TokenType.VARCHAR, -226 "COMMENT ON": TokenType.COMMAND, -227 "DECLARE": TokenType.COMMAND, -228 "DO": TokenType.COMMAND, -229 "GRANT": TokenType.COMMAND, -230 "HSTORE": TokenType.HSTORE, -231 "JSONB": TokenType.JSONB, -232 "REFRESH": TokenType.COMMAND, -233 "REINDEX": TokenType.COMMAND, -234 "RESET": TokenType.COMMAND, -235 "REVOKE": TokenType.COMMAND, -236 "SERIAL": TokenType.SERIAL, -237 "SMALLSERIAL": TokenType.SMALLSERIAL, -238 "TEMP": TokenType.TEMPORARY, -239 "UUID": TokenType.UUID, -240 "CSTRING": TokenType.PSEUDO_TYPE, -241 } -242 -243 SINGLE_TOKENS = { -244 **tokens.Tokenizer.SINGLE_TOKENS, -245 "$": TokenType.PARAMETER, -246 } -247 -248 class Parser(parser.Parser): -249 STRICT_CAST = False -250 -251 FUNCTIONS = { -252 **parser.Parser.FUNCTIONS, # type: ignore -253 "NOW": exp.CurrentTimestamp.from_arg_list, -254 "TO_TIMESTAMP": _to_timestamp, -255 "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"), -256 "GENERATE_SERIES": _generate_series, -257 } -258 -259 BITWISE = { -260 **parser.Parser.BITWISE, # type: ignore -261 TokenType.HASH: exp.BitwiseXor, -262 } -263 -264 FACTOR = { -265 **parser.Parser.FACTOR, # type: ignore -266 TokenType.CARET: exp.Pow, -267 } -268 -269 class Generator(generator.Generator): -270 LOCKING_READS_SUPPORTED = True -271 PARAMETER_TOKEN = "$" -272 -273 TYPE_MAPPING = { -274 **generator.Generator.TYPE_MAPPING, # type: ignore -275 exp.DataType.Type.TINYINT: "SMALLINT", -276 exp.DataType.Type.FLOAT: "REAL", -277 exp.DataType.Type.DOUBLE: "DOUBLE PRECISION", -278 exp.DataType.Type.BINARY: "BYTEA", -279 exp.DataType.Type.VARBINARY: "BYTEA", -280 exp.DataType.Type.DATETIME: "TIMESTAMP", -281 } -282 -283 TRANSFORMS = { -284 **generator.Generator.TRANSFORMS, # type: ignore -285 exp.BitwiseXor: lambda self, e: self.binary(e, "#"), -286 exp.ColumnDef: preprocess( -287 [ -288 _auto_increment_to_serial, -289 _serial_to_generated, -290 ], -291 delegate("columndef_sql"), -292 ), -293 exp.JSONExtract: arrow_json_extract_sql, -294 exp.JSONExtractScalar: arrow_json_extract_scalar_sql, -295 exp.JSONBExtract: lambda self, e: self.binary(e, "#>"), -296 exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"), -297 exp.JSONBContains: lambda self, e: self.binary(e, "?"), -298 exp.Pow: lambda self, e: self.binary(e, "^"), -299 exp.CurrentDate: no_paren_current_date_sql, -300 exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP", -301 exp.DateAdd: _date_add_sql("+"), -302 exp.DateSub: _date_add_sql("-"), -303 exp.DateDiff: _date_diff_sql, -304 exp.LogicalOr: rename_func("BOOL_OR"), -305 exp.RegexpLike: lambda self, e: self.binary(e, "~"), -306 exp.RegexpILike: lambda self, e: self.binary(e, "~*"), -307 exp.StrPosition: str_position_sql, -308 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", -309 exp.Substring: _substring_sql, -310 exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)", -311 exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})", -312 exp.TableSample: no_tablesample_sql, -313 exp.Trim: trim_sql, -314 exp.TryCast: no_trycast_sql, -315 exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})", -316 exp.DataType: _datatype_sql, -317 exp.GroupConcat: _string_agg_sql, -318 exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})" -319 if isinstance(seq_get(e.expressions, 0), exp.Select) -320 else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]", -321 } -322 -323 PROPERTIES_LOCATION = { -324 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -325 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, -326 } +226 "DECLARE": TokenType.COMMAND, +227 "DO": TokenType.COMMAND, +228 "HSTORE": TokenType.HSTORE, +229 "JSONB": TokenType.JSONB, +230 "REFRESH": TokenType.COMMAND, +231 "REINDEX": TokenType.COMMAND, +232 "RESET": TokenType.COMMAND, +233 "REVOKE": TokenType.COMMAND, +234 "SERIAL": TokenType.SERIAL, +235 "SMALLSERIAL": TokenType.SMALLSERIAL, +236 "TEMP": TokenType.TEMPORARY, +237 "UUID": TokenType.UUID, +238 "CSTRING": TokenType.PSEUDO_TYPE, +239 } +240 +241 SINGLE_TOKENS = { +242 **tokens.Tokenizer.SINGLE_TOKENS, +243 "$": TokenType.PARAMETER, +244 } +245 +246 class Parser(parser.Parser): +247 STRICT_CAST = False +248 +249 FUNCTIONS = { +250 **parser.Parser.FUNCTIONS, # type: ignore +251 "NOW": exp.CurrentTimestamp.from_arg_list, +252 "TO_TIMESTAMP": _to_timestamp, +253 "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"), +254 "GENERATE_SERIES": _generate_series, +255 } +256 +257 BITWISE = { +258 **parser.Parser.BITWISE, # type: ignore +259 TokenType.HASH: exp.BitwiseXor, +260 } +261 +262 FACTOR = { +263 **parser.Parser.FACTOR, # type: ignore +264 TokenType.CARET: exp.Pow, +265 } +266 +267 class Generator(generator.Generator): +268 LOCKING_READS_SUPPORTED = True +269 PARAMETER_TOKEN = "$" +270 +271 TYPE_MAPPING = { +272 **generator.Generator.TYPE_MAPPING, # type: ignore +273 exp.DataType.Type.TINYINT: "SMALLINT", +274 exp.DataType.Type.FLOAT: "REAL", +275 exp.DataType.Type.DOUBLE: "DOUBLE PRECISION", +276 exp.DataType.Type.BINARY: "BYTEA", +277 exp.DataType.Type.VARBINARY: "BYTEA", +278 exp.DataType.Type.DATETIME: "TIMESTAMP", +279 } +280 +281 TRANSFORMS = { +282 **generator.Generator.TRANSFORMS, # type: ignore +283 exp.BitwiseXor: lambda self, e: self.binary(e, "#"), +284 exp.ColumnDef: preprocess( +285 [ +286 _auto_increment_to_serial, +287 _serial_to_generated, +288 ], +289 delegate("columndef_sql"), +290 ), +291 exp.JSONExtract: arrow_json_extract_sql, +292 exp.JSONExtractScalar: arrow_json_extract_scalar_sql, +293 exp.JSONBExtract: lambda self, e: self.binary(e, "#>"), +294 exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"), +295 exp.JSONBContains: lambda self, e: self.binary(e, "?"), +296 exp.Pow: lambda self, e: self.binary(e, "^"), +297 exp.CurrentDate: no_paren_current_date_sql, +298 exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP", +299 exp.DateAdd: _date_add_sql("+"), +300 exp.DateSub: _date_add_sql("-"), +301 exp.DateDiff: _date_diff_sql, +302 exp.LogicalOr: rename_func("BOOL_OR"), +303 exp.RegexpLike: lambda self, e: self.binary(e, "~"), +304 exp.RegexpILike: lambda self, e: self.binary(e, "~*"), +305 exp.StrPosition: str_position_sql, +306 exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})", +307 exp.Substring: _substring_sql, +308 exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)", +309 exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})", +310 exp.TableSample: no_tablesample_sql, +311 exp.Trim: trim_sql, +312 exp.TryCast: no_trycast_sql, +313 exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})", +314 exp.DataType: _datatype_sql, +315 exp.GroupConcat: _string_agg_sql, +316 exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})" +317 if isinstance(seq_get(e.expressions, 0), exp.Select) +318 else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]", +319 } +320 +321 PROPERTIES_LOCATION = { +322 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +323 exp.TransientProperty: exp.Properties.Location.UNSUPPORTED, +324 }
    @@ -618,27 +614,25 @@ 223 "BEGIN TRANSACTION": TokenType.BEGIN, 224 "BIGSERIAL": TokenType.BIGSERIAL, 225 "CHARACTER VARYING": TokenType.VARCHAR, -226 "COMMENT ON": TokenType.COMMAND, -227 "DECLARE": TokenType.COMMAND, -228 "DO": TokenType.COMMAND, -229 "GRANT": TokenType.COMMAND, -230 "HSTORE": TokenType.HSTORE, -231 "JSONB": TokenType.JSONB, -232 "REFRESH": TokenType.COMMAND, -233 "REINDEX": TokenType.COMMAND, -234 "RESET": TokenType.COMMAND, -235 "REVOKE": TokenType.COMMAND, -236 "SERIAL": TokenType.SERIAL, -237 "SMALLSERIAL": TokenType.SMALLSERIAL, -238 "TEMP": TokenType.TEMPORARY, -239 "UUID": TokenType.UUID, -240 "CSTRING": TokenType.PSEUDO_TYPE, -241 } -242 -243 SINGLE_TOKENS = { -244 **tokens.Tokenizer.SINGLE_TOKENS, -245 "$": TokenType.PARAMETER, -246 } +226 "DECLARE": TokenType.COMMAND, +227 "DO": TokenType.COMMAND, +228 "HSTORE": TokenType.HSTORE, +229 "JSONB": TokenType.JSONB, +230 "REFRESH": TokenType.COMMAND, +231 "REINDEX": TokenType.COMMAND, +232 "RESET": TokenType.COMMAND, +233 "REVOKE": TokenType.COMMAND, +234 "SERIAL": TokenType.SERIAL, +235 "SMALLSERIAL": TokenType.SMALLSERIAL, +236 "TEMP": TokenType.TEMPORARY, +237 "UUID": TokenType.UUID, +238 "CSTRING": TokenType.PSEUDO_TYPE, +239 } +240 +241 SINGLE_TOKENS = { +242 **tokens.Tokenizer.SINGLE_TOKENS, +243 "$": TokenType.PARAMETER, +244 }
    @@ -666,26 +660,26 @@ - 
    248    class Parser(parser.Parser):
-249        STRICT_CAST = False
-250
-251        FUNCTIONS = {
-252            **parser.Parser.FUNCTIONS,  # type: ignore
-253            "NOW": exp.CurrentTimestamp.from_arg_list,
-254            "TO_TIMESTAMP": _to_timestamp,
-255            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
-256            "GENERATE_SERIES": _generate_series,
-257        }
-258
-259        BITWISE = {
-260            **parser.Parser.BITWISE,  # type: ignore
-261            TokenType.HASH: exp.BitwiseXor,
-262        }
-263
-264        FACTOR = {
-265            **parser.Parser.FACTOR,  # type: ignore
-266            TokenType.CARET: exp.Pow,
-267        }
+            
    246    class Parser(parser.Parser):
+247        STRICT_CAST = False
+248
+249        FUNCTIONS = {
+250            **parser.Parser.FUNCTIONS,  # type: ignore
+251            "NOW": exp.CurrentTimestamp.from_arg_list,
+252            "TO_TIMESTAMP": _to_timestamp,
+253            "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"),
+254            "GENERATE_SERIES": _generate_series,
+255        }
+256
+257        BITWISE = {
+258            **parser.Parser.BITWISE,  # type: ignore
+259            TokenType.HASH: exp.BitwiseXor,
+260        }
+261
+262        FACTOR = {
+263            **parser.Parser.FACTOR,  # type: ignore
+264            TokenType.CARET: exp.Pow,
+265        }
 
    
 
 
@@ -742,64 +736,64 @@ Default: "nulls_are_small"
    - 
    269    class Generator(generator.Generator):
-270        LOCKING_READS_SUPPORTED = True
-271        PARAMETER_TOKEN = "$"
-272
-273        TYPE_MAPPING = {
-274            **generator.Generator.TYPE_MAPPING,  # type: ignore
-275            exp.DataType.Type.TINYINT: "SMALLINT",
-276            exp.DataType.Type.FLOAT: "REAL",
-277            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
-278            exp.DataType.Type.BINARY: "BYTEA",
-279            exp.DataType.Type.VARBINARY: "BYTEA",
-280            exp.DataType.Type.DATETIME: "TIMESTAMP",
-281        }
-282
-283        TRANSFORMS = {
-284            **generator.Generator.TRANSFORMS,  # type: ignore
-285            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
-286            exp.ColumnDef: preprocess(
-287                [
-288                    _auto_increment_to_serial,
-289                    _serial_to_generated,
-290                ],
-291                delegate("columndef_sql"),
-292            ),
-293            exp.JSONExtract: arrow_json_extract_sql,
-294            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
-295            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
-296            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
-297            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
-298            exp.Pow: lambda self, e: self.binary(e, "^"),
-299            exp.CurrentDate: no_paren_current_date_sql,
-300            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
-301            exp.DateAdd: _date_add_sql("+"),
-302            exp.DateSub: _date_add_sql("-"),
-303            exp.DateDiff: _date_diff_sql,
-304            exp.LogicalOr: rename_func("BOOL_OR"),
-305            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
-306            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
-307            exp.StrPosition: str_position_sql,
-308            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-309            exp.Substring: _substring_sql,
-310            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
-311            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
-312            exp.TableSample: no_tablesample_sql,
-313            exp.Trim: trim_sql,
-314            exp.TryCast: no_trycast_sql,
-315            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
-316            exp.DataType: _datatype_sql,
-317            exp.GroupConcat: _string_agg_sql,
-318            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
-319            if isinstance(seq_get(e.expressions, 0), exp.Select)
-320            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
-321        }
-322
-323        PROPERTIES_LOCATION = {
-324            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-325            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
-326        }
+            
    267    class Generator(generator.Generator):
+268        LOCKING_READS_SUPPORTED = True
+269        PARAMETER_TOKEN = "$"
+270
+271        TYPE_MAPPING = {
+272            **generator.Generator.TYPE_MAPPING,  # type: ignore
+273            exp.DataType.Type.TINYINT: "SMALLINT",
+274            exp.DataType.Type.FLOAT: "REAL",
+275            exp.DataType.Type.DOUBLE: "DOUBLE PRECISION",
+276            exp.DataType.Type.BINARY: "BYTEA",
+277            exp.DataType.Type.VARBINARY: "BYTEA",
+278            exp.DataType.Type.DATETIME: "TIMESTAMP",
+279        }
+280
+281        TRANSFORMS = {
+282            **generator.Generator.TRANSFORMS,  # type: ignore
+283            exp.BitwiseXor: lambda self, e: self.binary(e, "#"),
+284            exp.ColumnDef: preprocess(
+285                [
+286                    _auto_increment_to_serial,
+287                    _serial_to_generated,
+288                ],
+289                delegate("columndef_sql"),
+290            ),
+291            exp.JSONExtract: arrow_json_extract_sql,
+292            exp.JSONExtractScalar: arrow_json_extract_scalar_sql,
+293            exp.JSONBExtract: lambda self, e: self.binary(e, "#>"),
+294            exp.JSONBExtractScalar: lambda self, e: self.binary(e, "#>>"),
+295            exp.JSONBContains: lambda self, e: self.binary(e, "?"),
+296            exp.Pow: lambda self, e: self.binary(e, "^"),
+297            exp.CurrentDate: no_paren_current_date_sql,
+298            exp.CurrentTimestamp: lambda *_: "CURRENT_TIMESTAMP",
+299            exp.DateAdd: _date_add_sql("+"),
+300            exp.DateSub: _date_add_sql("-"),
+301            exp.DateDiff: _date_diff_sql,
+302            exp.LogicalOr: rename_func("BOOL_OR"),
+303            exp.RegexpLike: lambda self, e: self.binary(e, "~"),
+304            exp.RegexpILike: lambda self, e: self.binary(e, "~*"),
+305            exp.StrPosition: str_position_sql,
+306            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+307            exp.Substring: _substring_sql,
+308            exp.TimeStrToTime: lambda self, e: f"CAST({self.sql(e, 'this')} AS TIMESTAMP)",
+309            exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
+310            exp.TableSample: no_tablesample_sql,
+311            exp.Trim: trim_sql,
+312            exp.TryCast: no_trycast_sql,
+313            exp.UnixToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')})",
+314            exp.DataType: _datatype_sql,
+315            exp.GroupConcat: _string_agg_sql,
+316            exp.Array: lambda self, e: f"{self.normalize_func('ARRAY')}({self.sql(e.expressions[0])})"
+317            if isinstance(seq_get(e.expressions, 0), exp.Select)
+318            else f"{self.normalize_func('ARRAY')}[{self.expressions(e, flat=True)}]",
+319        }
+320
+321        PROPERTIES_LOCATION = {
+322            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+323            exp.TransientProperty: exp.Properties.Location.UNSUPPORTED,
+324        }
 
    
 
 
@@ -1006,6 +1000,7 @@ Default: True
                 
    currentdate_sql
    
                 
    collate_sql
    
                 
    command_sql
    
+                
    comment_sql
    
                 
    transaction_sql
    
                 
    commit_sql
    
                 
    rollback_sql
    
@@ -1020,6 +1015,7 @@ Default: True
                 
    intdiv_sql
    
                 
    dpipe_sql
    
                 
    div_sql
    
+                
    overlaps_sql
    
                 
    distance_sql
    
                 
    dot_sql
    
                 
    eq_sql
    
diff --git a/docs/sqlglot/dialects/presto.html b/docs/sqlglot/dialects/presto.html
index 3906711..540dd23 100644
--- a/docs/sqlglot/dialects/presto.html
+++ b/docs/sqlglot/dialects/presto.html
@@ -992,6 +992,7 @@ Default: True
                 
    currentdate_sql
    
                 
    collate_sql
    
                 
    command_sql
    
+                
    comment_sql
    
                 
    commit_sql
    
                 
    rollback_sql
    
                 
    altercolumn_sql
    
@@ -1005,6 +1006,7 @@ Default: True
                 
    intdiv_sql
    
                 
    dpipe_sql
    
                 
    div_sql
    
+                
    overlaps_sql
    
                 
    distance_sql
    
                 
    dot_sql
    
                 
    eq_sql
    
diff --git a/docs/sqlglot/dialects/redshift.html b/docs/sqlglot/dialects/redshift.html
index 8679493..e6c68fc 100644
--- a/docs/sqlglot/dialects/redshift.html
+++ b/docs/sqlglot/dialects/redshift.html
@@ -935,6 +935,7 @@ without precision we convert it to VARCHAR(max) and if it does have
                 
    currentdate_sql
    
                 
    collate_sql
    
                 
    command_sql
    
+                
    comment_sql
    
                 
    transaction_sql
    
                 
    commit_sql
    
                 
    rollback_sql
    
@@ -948,6 +949,7 @@ without precision we convert it to VARCHAR(max) and if it does have
                 
    intdiv_sql
    
                 
    dpipe_sql
    
                 
    div_sql
    
+                
    overlaps_sql
    
                 
    distance_sql
    
                 
    dot_sql
    
                 
    eq_sql
    
diff --git a/docs/sqlglot/dialects/snowflake.html b/docs/sqlglot/dialects/snowflake.html
index cfca8e8..0149a5f 100644
--- a/docs/sqlglot/dialects/snowflake.html
+++ b/docs/sqlglot/dialects/snowflake.html
@@ -63,6 +63,9 @@
                                     
  • 
                                             values_sql
                                     
    • 
+                                    
  • 
+                                            settag_sql
+                                    
    • 
                                     
  • 
                                             select_sql
                                     
    • 
@@ -103,341 +106,377 @@
 
                         
      1from __future__ import annotations
   2
-  3from sqlglot import exp, generator, parser, tokens
-  4from sqlglot.dialects.dialect import (
-  5    Dialect,
-  6    datestrtodate_sql,
-  7    format_time_lambda,
-  8    inline_array_sql,
-  9    rename_func,
- 10    timestrtotime_sql,
- 11    ts_or_ds_to_date_sql,
- 12    var_map_sql,
- 13)
- 14from sqlglot.expressions import Literal
- 15from sqlglot.helper import flatten, seq_get
- 16from sqlglot.tokens import TokenType
- 17
- 18
- 19def _check_int(s):
- 20    if s[0] in ("-", "+"):
- 21        return s[1:].isdigit()
- 22    return s.isdigit()
- 23
- 24
- 25# from https://docs.snowflake.com/en/sql-reference/functions/to_timestamp.html
- 26def _snowflake_to_timestamp(args):
- 27    if len(args) == 2:
- 28        first_arg, second_arg = args
- 29        if second_arg.is_string:
- 30            # case: <string_expr> [ , <format> ]
- 31            return format_time_lambda(exp.StrToTime, "snowflake")(args)
- 32
- 33        # case: <numeric_expr> [ , <scale> ]
- 34        if second_arg.name not in ["0", "3", "9"]:
- 35            raise ValueError(
- 36                f"Scale for snowflake numeric timestamp is {second_arg}, but should be 0, 3, or 9"
- 37            )
- 38
- 39        if second_arg.name == "0":
- 40            timescale = exp.UnixToTime.SECONDS
- 41        elif second_arg.name == "3":
- 42            timescale = exp.UnixToTime.MILLIS
- 43        elif second_arg.name == "9":
- 44            timescale = exp.UnixToTime.MICROS
- 45
- 46        return exp.UnixToTime(this=first_arg, scale=timescale)
+  3import typing as t
+  4
+  5from sqlglot import exp, generator, parser, tokens
+  6from sqlglot.dialects.dialect import (
+  7    Dialect,
+  8    datestrtodate_sql,
+  9    format_time_lambda,
+ 10    inline_array_sql,
+ 11    rename_func,
+ 12    timestrtotime_sql,
+ 13    ts_or_ds_to_date_sql,
+ 14    var_map_sql,
+ 15)
+ 16from sqlglot.expressions import Literal
+ 17from sqlglot.helper import flatten, seq_get
+ 18from sqlglot.tokens import TokenType
+ 19
+ 20
+ 21def _check_int(s):
+ 22    if s[0] in ("-", "+"):
+ 23        return s[1:].isdigit()
+ 24    return s.isdigit()
+ 25
+ 26
+ 27# from https://docs.snowflake.com/en/sql-reference/functions/to_timestamp.html
+ 28def _snowflake_to_timestamp(args):
+ 29    if len(args) == 2:
+ 30        first_arg, second_arg = args
+ 31        if second_arg.is_string:
+ 32            # case: <string_expr> [ , <format> ]
+ 33            return format_time_lambda(exp.StrToTime, "snowflake")(args)
+ 34
+ 35        # case: <numeric_expr> [ , <scale> ]
+ 36        if second_arg.name not in ["0", "3", "9"]:
+ 37            raise ValueError(
+ 38                f"Scale for snowflake numeric timestamp is {second_arg}, but should be 0, 3, or 9"
+ 39            )
+ 40
+ 41        if second_arg.name == "0":
+ 42            timescale = exp.UnixToTime.SECONDS
+ 43        elif second_arg.name == "3":
+ 44            timescale = exp.UnixToTime.MILLIS
+ 45        elif second_arg.name == "9":
+ 46            timescale = exp.UnixToTime.MICROS
  47
- 48    first_arg = seq_get(args, 0)
- 49    if not isinstance(first_arg, Literal):
- 50        # case: <variant_expr>
- 51        return format_time_lambda(exp.StrToTime, "snowflake", default=True)(args)
- 52
- 53    if first_arg.is_string:
- 54        if _check_int(first_arg.this):
- 55            # case: <integer>
- 56            return exp.UnixToTime.from_arg_list(args)
- 57
- 58        # case: <date_expr>
- 59        return format_time_lambda(exp.StrToTime, "snowflake", default=True)(args)
- 60
- 61    # case: <numeric_expr>
- 62    return exp.UnixToTime.from_arg_list(args)
- 63
- 64
- 65def _unix_to_time_sql(self, expression):
- 66    scale = expression.args.get("scale")
- 67    timestamp = self.sql(expression, "this")
- 68    if scale in [None, exp.UnixToTime.SECONDS]:
- 69        return f"TO_TIMESTAMP({timestamp})"
- 70    if scale == exp.UnixToTime.MILLIS:
- 71        return f"TO_TIMESTAMP({timestamp}, 3)"
- 72    if scale == exp.UnixToTime.MICROS:
- 73        return f"TO_TIMESTAMP({timestamp}, 9)"
- 74
- 75    raise ValueError("Improper scale for timestamp")
+ 48        return exp.UnixToTime(this=first_arg, scale=timescale)
+ 49
+ 50    first_arg = seq_get(args, 0)
+ 51    if not isinstance(first_arg, Literal):
+ 52        # case: <variant_expr>
+ 53        return format_time_lambda(exp.StrToTime, "snowflake", default=True)(args)
+ 54
+ 55    if first_arg.is_string:
+ 56        if _check_int(first_arg.this):
+ 57            # case: <integer>
+ 58            return exp.UnixToTime.from_arg_list(args)
+ 59
+ 60        # case: <date_expr>
+ 61        return format_time_lambda(exp.StrToTime, "snowflake", default=True)(args)
+ 62
+ 63    # case: <numeric_expr>
+ 64    return exp.UnixToTime.from_arg_list(args)
+ 65
+ 66
+ 67def _unix_to_time_sql(self, expression):
+ 68    scale = expression.args.get("scale")
+ 69    timestamp = self.sql(expression, "this")
+ 70    if scale in [None, exp.UnixToTime.SECONDS]:
+ 71        return f"TO_TIMESTAMP({timestamp})"
+ 72    if scale == exp.UnixToTime.MILLIS:
+ 73        return f"TO_TIMESTAMP({timestamp}, 3)"
+ 74    if scale == exp.UnixToTime.MICROS:
+ 75        return f"TO_TIMESTAMP({timestamp}, 9)"
  76
- 77
- 78# https://docs.snowflake.com/en/sql-reference/functions/date_part.html
- 79# https://docs.snowflake.com/en/sql-reference/functions-date-time.html#label-supported-date-time-parts
- 80def _parse_date_part(self):
- 81    this = self._parse_var() or self._parse_type()
- 82    self._match(TokenType.COMMA)
- 83    expression = self._parse_bitwise()
- 84
- 85    name = this.name.upper()
- 86    if name.startswith("EPOCH"):
- 87        if name.startswith("EPOCH_MILLISECOND"):
- 88            scale = 10**3
- 89        elif name.startswith("EPOCH_MICROSECOND"):
- 90            scale = 10**6
- 91        elif name.startswith("EPOCH_NANOSECOND"):
- 92            scale = 10**9
- 93        else:
- 94            scale = None
- 95
- 96        ts = self.expression(exp.Cast, this=expression, to=exp.DataType.build("TIMESTAMP"))
- 97        to_unix = self.expression(exp.TimeToUnix, this=ts)
- 98
- 99        if scale:
-100            to_unix = exp.Mul(this=to_unix, expression=exp.Literal.number(scale))
-101
-102        return to_unix
+ 77    raise ValueError("Improper scale for timestamp")
+ 78
+ 79
+ 80# https://docs.snowflake.com/en/sql-reference/functions/date_part.html
+ 81# https://docs.snowflake.com/en/sql-reference/functions-date-time.html#label-supported-date-time-parts
+ 82def _parse_date_part(self):
+ 83    this = self._parse_var() or self._parse_type()
+ 84    self._match(TokenType.COMMA)
+ 85    expression = self._parse_bitwise()
+ 86
+ 87    name = this.name.upper()
+ 88    if name.startswith("EPOCH"):
+ 89        if name.startswith("EPOCH_MILLISECOND"):
+ 90            scale = 10**3
+ 91        elif name.startswith("EPOCH_MICROSECOND"):
+ 92            scale = 10**6
+ 93        elif name.startswith("EPOCH_NANOSECOND"):
+ 94            scale = 10**9
+ 95        else:
+ 96            scale = None
+ 97
+ 98        ts = self.expression(exp.Cast, this=expression, to=exp.DataType.build("TIMESTAMP"))
+ 99        to_unix = self.expression(exp.TimeToUnix, this=ts)
+100
+101        if scale:
+102            to_unix = exp.Mul(this=to_unix, expression=exp.Literal.number(scale))
 103
-104    return self.expression(exp.Extract, this=this, expression=expression)
+104        return to_unix
 105
-106
-107def _datatype_sql(self, expression):
-108    if expression.this == exp.DataType.Type.ARRAY:
-109        return "ARRAY"
-110    elif expression.this == exp.DataType.Type.MAP:
-111        return "OBJECT"
-112    return self.datatype_sql(expression)
-113
-114
-115class Snowflake(Dialect):
-116    null_ordering = "nulls_are_large"
-117    time_format = "'yyyy-mm-dd hh24:mi:ss'"
-118
-119    time_mapping = {
-120        "YYYY": "%Y",
-121        "yyyy": "%Y",
-122        "YY": "%y",
-123        "yy": "%y",
-124        "MMMM": "%B",
-125        "mmmm": "%B",
-126        "MON": "%b",
-127        "mon": "%b",
-128        "MM": "%m",
-129        "mm": "%m",
-130        "DD": "%d",
-131        "dd": "%d",
-132        "d": "%-d",
-133        "DY": "%w",
-134        "dy": "%w",
-135        "HH24": "%H",
-136        "hh24": "%H",
-137        "HH12": "%I",
-138        "hh12": "%I",
-139        "MI": "%M",
-140        "mi": "%M",
-141        "SS": "%S",
-142        "ss": "%S",
-143        "FF": "%f",
-144        "ff": "%f",
-145        "FF6": "%f",
-146        "ff6": "%f",
-147    }
-148
-149    class Parser(parser.Parser):
-150        FUNCTIONS = {
-151            **parser.Parser.FUNCTIONS,
-152            "ARRAYAGG": exp.ArrayAgg.from_arg_list,
-153            "DATE_TRUNC": lambda args: exp.DateTrunc(
-154                unit=exp.Literal.string(seq_get(args, 0).name),  # type: ignore
-155                this=seq_get(args, 1),
-156            ),
-157            "IFF": exp.If.from_arg_list,
-158            "TO_TIMESTAMP": _snowflake_to_timestamp,
-159            "ARRAY_CONSTRUCT": exp.Array.from_arg_list,
-160            "RLIKE": exp.RegexpLike.from_arg_list,
-161            "DECODE": exp.Matches.from_arg_list,
-162            "OBJECT_CONSTRUCT": parser.parse_var_map,
-163        }
+106    return self.expression(exp.Extract, this=this, expression=expression)
+107
+108
+109# https://docs.snowflake.com/en/sql-reference/functions/div0
+110def _div0_to_if(args):
+111    cond = exp.EQ(this=seq_get(args, 1), expression=exp.Literal.number(0))
+112    true = exp.Literal.number(0)
+113    false = exp.Div(this=seq_get(args, 0), expression=seq_get(args, 1))
+114    return exp.If(this=cond, true=true, false=false)
+115
+116
+117# https://docs.snowflake.com/en/sql-reference/functions/zeroifnull
+118def _zeroifnull_to_if(args):
+119    cond = exp.EQ(this=seq_get(args, 0), expression=exp.Null())
+120    return exp.If(this=cond, true=exp.Literal.number(0), false=seq_get(args, 0))
+121
+122
+123def _datatype_sql(self, expression):
+124    if expression.this == exp.DataType.Type.ARRAY:
+125        return "ARRAY"
+126    elif expression.this == exp.DataType.Type.MAP:
+127        return "OBJECT"
+128    return self.datatype_sql(expression)
+129
+130
+131class Snowflake(Dialect):
+132    null_ordering = "nulls_are_large"
+133    time_format = "'yyyy-mm-dd hh24:mi:ss'"
+134
+135    time_mapping = {
+136        "YYYY": "%Y",
+137        "yyyy": "%Y",
+138        "YY": "%y",
+139        "yy": "%y",
+140        "MMMM": "%B",
+141        "mmmm": "%B",
+142        "MON": "%b",
+143        "mon": "%b",
+144        "MM": "%m",
+145        "mm": "%m",
+146        "DD": "%d",
+147        "dd": "%d",
+148        "d": "%-d",
+149        "DY": "%w",
+150        "dy": "%w",
+151        "HH24": "%H",
+152        "hh24": "%H",
+153        "HH12": "%I",
+154        "hh12": "%I",
+155        "MI": "%M",
+156        "mi": "%M",
+157        "SS": "%S",
+158        "ss": "%S",
+159        "FF": "%f",
+160        "ff": "%f",
+161        "FF6": "%f",
+162        "ff6": "%f",
+163    }
 164
-165        FUNCTION_PARSERS = {
-166            **parser.Parser.FUNCTION_PARSERS,
-167            "DATE_PART": _parse_date_part,
-168        }
-169        FUNCTION_PARSERS.pop("TRIM")
-170
-171        FUNC_TOKENS = {
-172            *parser.Parser.FUNC_TOKENS,
-173            TokenType.RLIKE,
-174            TokenType.TABLE,
-175        }
-176
-177        COLUMN_OPERATORS = {
-178            **parser.Parser.COLUMN_OPERATORS,  # type: ignore
-179            TokenType.COLON: lambda self, this, path: self.expression(
-180                exp.Bracket,
-181                this=this,
-182                expressions=[path],
-183            ),
-184        }
-185
-186        RANGE_PARSERS = {
-187            **parser.Parser.RANGE_PARSERS,  # type: ignore
-188            TokenType.LIKE_ANY: lambda self, this: self._parse_escape(
-189                self.expression(exp.LikeAny, this=this, expression=self._parse_bitwise())
-190            ),
-191            TokenType.ILIKE_ANY: lambda self, this: self._parse_escape(
-192                self.expression(exp.ILikeAny, this=this, expression=self._parse_bitwise())
-193            ),
-194        }
-195
-196    class Tokenizer(tokens.Tokenizer):
-197        QUOTES = ["'", "$$"]
-198        STRING_ESCAPES = ["\\", "'"]
-199
-200        KEYWORDS = {
-201            **tokens.Tokenizer.KEYWORDS,
-202            "EXCLUDE": TokenType.EXCEPT,
-203            "ILIKE ANY": TokenType.ILIKE_ANY,
-204            "LIKE ANY": TokenType.LIKE_ANY,
-205            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
-206            "PUT": TokenType.COMMAND,
-207            "RENAME": TokenType.REPLACE,
-208            "TIMESTAMP_LTZ": TokenType.TIMESTAMPLTZ,
-209            "TIMESTAMP_NTZ": TokenType.TIMESTAMP,
-210            "TIMESTAMP_TZ": TokenType.TIMESTAMPTZ,
-211            "TIMESTAMPNTZ": TokenType.TIMESTAMP,
-212            "MINUS": TokenType.EXCEPT,
-213            "SAMPLE": TokenType.TABLE_SAMPLE,
+165    class Parser(parser.Parser):
+166        FUNCTIONS = {
+167            **parser.Parser.FUNCTIONS,
+168            "ARRAYAGG": exp.ArrayAgg.from_arg_list,
+169            "ARRAY_TO_STRING": exp.ArrayJoin.from_arg_list,
+170            "DATE_TRUNC": lambda args: exp.DateTrunc(
+171                unit=exp.Literal.string(seq_get(args, 0).name),  # type: ignore
+172                this=seq_get(args, 1),
+173            ),
+174            "DIV0": _div0_to_if,
+175            "IFF": exp.If.from_arg_list,
+176            "TO_ARRAY": exp.Array.from_arg_list,
+177            "TO_TIMESTAMP": _snowflake_to_timestamp,
+178            "ARRAY_CONSTRUCT": exp.Array.from_arg_list,
+179            "RLIKE": exp.RegexpLike.from_arg_list,
+180            "DECODE": exp.Matches.from_arg_list,
+181            "OBJECT_CONSTRUCT": parser.parse_var_map,
+182            "ZEROIFNULL": _zeroifnull_to_if,
+183        }
+184
+185        FUNCTION_PARSERS = {
+186            **parser.Parser.FUNCTION_PARSERS,
+187            "DATE_PART": _parse_date_part,
+188        }
+189        FUNCTION_PARSERS.pop("TRIM")
+190
+191        FUNC_TOKENS = {
+192            *parser.Parser.FUNC_TOKENS,
+193            TokenType.RLIKE,
+194            TokenType.TABLE,
+195        }
+196
+197        COLUMN_OPERATORS = {
+198            **parser.Parser.COLUMN_OPERATORS,  # type: ignore
+199            TokenType.COLON: lambda self, this, path: self.expression(
+200                exp.Bracket,
+201                this=this,
+202                expressions=[path],
+203            ),
+204        }
+205
+206        RANGE_PARSERS = {
+207            **parser.Parser.RANGE_PARSERS,  # type: ignore
+208            TokenType.LIKE_ANY: lambda self, this: self._parse_escape(
+209                self.expression(exp.LikeAny, this=this, expression=self._parse_bitwise())
+210            ),
+211            TokenType.ILIKE_ANY: lambda self, this: self._parse_escape(
+212                self.expression(exp.ILikeAny, this=this, expression=self._parse_bitwise())
+213            ),
 214        }
 215
-216        SINGLE_TOKENS = {
-217            **tokens.Tokenizer.SINGLE_TOKENS,
-218            "$": TokenType.PARAMETER,
-219        }
-220
-221    class Generator(generator.Generator):
-222        PARAMETER_TOKEN = "$"
-223
-224        TRANSFORMS = {
-225            **generator.Generator.TRANSFORMS,  # type: ignore
-226            exp.Array: inline_array_sql,
-227            exp.ArrayConcat: rename_func("ARRAY_CAT"),
-228            exp.DateAdd: rename_func("DATEADD"),
-229            exp.DateStrToDate: datestrtodate_sql,
-230            exp.DataType: _datatype_sql,
-231            exp.If: rename_func("IFF"),
-232            exp.Map: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
-233            exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
-234            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
-235            exp.Matches: rename_func("DECODE"),
-236            exp.StrPosition: lambda self, e: self.func(
-237                "POSITION", e.args.get("substr"), e.this, e.args.get("position")
-238            ),
-239            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-240            exp.TimeStrToTime: timestrtotime_sql,
-241            exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})",
-242            exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression),
-243            exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"),
-244            exp.UnixToTime: _unix_to_time_sql,
-245            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-246        }
-247
-248        TYPE_MAPPING = {
-249            **generator.Generator.TYPE_MAPPING,  # type: ignore
-250            exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ",
-251        }
-252
-253        STAR_MAPPING = {
-254            "except": "EXCLUDE",
-255            "replace": "RENAME",
-256        }
-257
-258        PROPERTIES_LOCATION = {
-259            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-260            exp.SetProperty: exp.Properties.Location.UNSUPPORTED,
-261        }
-262
-263        def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
-264            return self.binary(expression, "ILIKE ANY")
-265
-266        def likeany_sql(self, expression: exp.LikeAny) -> str:
-267            return self.binary(expression, "LIKE ANY")
-268
-269        def except_op(self, expression):
-270            if not expression.args.get("distinct", False):
-271                self.unsupported("EXCEPT with All is not supported in Snowflake")
-272            return super().except_op(expression)
-273
-274        def intersect_op(self, expression):
-275            if not expression.args.get("distinct", False):
-276                self.unsupported("INTERSECT with All is not supported in Snowflake")
-277            return super().intersect_op(expression)
-278
-279        def values_sql(self, expression: exp.Values) -> str:
-280            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
-281
-282            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
-283            from adding quotes to the column by using the `identify` argument when generating the SQL.
-284            """
-285            alias = expression.args.get("alias")
-286            if alias and alias.args.get("columns"):
-287                expression = expression.transform(
-288                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-289                    if isinstance(node, exp.Identifier)
-290                    and isinstance(node.parent, exp.TableAlias)
-291                    and node.arg_key == "columns"
-292                    else node,
-293                )
-294                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
-295            return super().values_sql(expression)
-296
-297        def select_sql(self, expression: exp.Select) -> str:
-298            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
-299            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
-300            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
-301            generating the SQL.
-302
-303            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
-304            expression. This might not be true in a case where the same column name can be sourced from another table that can
-305            properly quote but should be true in most cases.
-306            """
-307            values_expressions = expression.find_all(exp.Values)
-308            values_identifiers = set(
-309                flatten(
-310                    v.args.get("alias", exp.Alias()).args.get("columns", [])
-311                    for v in values_expressions
-312                )
-313            )
-314            if values_identifiers:
-315                expression = expression.transform(
-316                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-317                    if isinstance(node, exp.Identifier) and node in values_identifiers
-318                    else node,
-319                )
-320                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
-321            return super().select_sql(expression)
-322
-323        def describe_sql(self, expression: exp.Describe) -> str:
-324            # Default to table if kind is unknown
-325            kind_value = expression.args.get("kind") or "TABLE"
-326            kind = f" {kind_value}" if kind_value else ""
-327            this = f" {self.sql(expression, 'this')}"
-328            return f"DESCRIBE{kind}{this}"
-329
-330        def generatedasidentitycolumnconstraint_sql(
-331            self, expression: exp.GeneratedAsIdentityColumnConstraint
-332        ) -> str:
-333            start = expression.args.get("start")
-334            start = f" START {start}" if start else ""
-335            increment = expression.args.get("increment")
-336            increment = f" INCREMENT {increment}" if increment else ""
-337            return f"AUTOINCREMENT{start}{increment}"
+216        ALTER_PARSERS = {
+217            **parser.Parser.ALTER_PARSERS,  # type: ignore
+218            "UNSET": lambda self: self._parse_alter_table_set_tag(unset=True),
+219            "SET": lambda self: self._parse_alter_table_set_tag(),
+220        }
+221
+222        def _parse_alter_table_set_tag(self, unset: bool = False) -> exp.Expression:
+223            self._match_text_seq("TAG")
+224            parser = t.cast(t.Callable, self._parse_id_var if unset else self._parse_conjunction)
+225            return self.expression(exp.SetTag, expressions=self._parse_csv(parser), unset=unset)
+226
+227    class Tokenizer(tokens.Tokenizer):
+228        QUOTES = ["'", "$$"]
+229        STRING_ESCAPES = ["\\", "'"]
+230
+231        KEYWORDS = {
+232            **tokens.Tokenizer.KEYWORDS,
+233            "EXCLUDE": TokenType.EXCEPT,
+234            "ILIKE ANY": TokenType.ILIKE_ANY,
+235            "LIKE ANY": TokenType.LIKE_ANY,
+236            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
+237            "PUT": TokenType.COMMAND,
+238            "RENAME": TokenType.REPLACE,
+239            "TIMESTAMP_LTZ": TokenType.TIMESTAMPLTZ,
+240            "TIMESTAMP_NTZ": TokenType.TIMESTAMP,
+241            "TIMESTAMP_TZ": TokenType.TIMESTAMPTZ,
+242            "TIMESTAMPNTZ": TokenType.TIMESTAMP,
+243            "MINUS": TokenType.EXCEPT,
+244            "SAMPLE": TokenType.TABLE_SAMPLE,
+245        }
+246
+247        SINGLE_TOKENS = {
+248            **tokens.Tokenizer.SINGLE_TOKENS,
+249            "$": TokenType.PARAMETER,
+250        }
+251
+252    class Generator(generator.Generator):
+253        PARAMETER_TOKEN = "$"
+254
+255        TRANSFORMS = {
+256            **generator.Generator.TRANSFORMS,  # type: ignore
+257            exp.Array: inline_array_sql,
+258            exp.ArrayConcat: rename_func("ARRAY_CAT"),
+259            exp.ArrayJoin: rename_func("ARRAY_TO_STRING"),
+260            exp.DateAdd: lambda self, e: self.func("DATEADD", e.text("unit"), e.expression, e.this),
+261            exp.DateStrToDate: datestrtodate_sql,
+262            exp.DataType: _datatype_sql,
+263            exp.If: rename_func("IFF"),
+264            exp.Map: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
+265            exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
+266            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
+267            exp.Matches: rename_func("DECODE"),
+268            exp.StrPosition: lambda self, e: self.func(
+269                "POSITION", e.args.get("substr"), e.this, e.args.get("position")
+270            ),
+271            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+272            exp.TimeStrToTime: timestrtotime_sql,
+273            exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})",
+274            exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression),
+275            exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"),
+276            exp.UnixToTime: _unix_to_time_sql,
+277            exp.DayOfWeek: rename_func("DAYOFWEEK"),
+278        }
+279
+280        TYPE_MAPPING = {
+281            **generator.Generator.TYPE_MAPPING,  # type: ignore
+282            exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ",
+283        }
+284
+285        STAR_MAPPING = {
+286            "except": "EXCLUDE",
+287            "replace": "RENAME",
+288        }
+289
+290        PROPERTIES_LOCATION = {
+291            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+292            exp.SetProperty: exp.Properties.Location.UNSUPPORTED,
+293        }
+294
+295        def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
+296            return self.binary(expression, "ILIKE ANY")
+297
+298        def likeany_sql(self, expression: exp.LikeAny) -> str:
+299            return self.binary(expression, "LIKE ANY")
+300
+301        def except_op(self, expression):
+302            if not expression.args.get("distinct", False):
+303                self.unsupported("EXCEPT with All is not supported in Snowflake")
+304            return super().except_op(expression)
+305
+306        def intersect_op(self, expression):
+307            if not expression.args.get("distinct", False):
+308                self.unsupported("INTERSECT with All is not supported in Snowflake")
+309            return super().intersect_op(expression)
+310
+311        def values_sql(self, expression: exp.Values) -> str:
+312            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
+313
+314            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
+315            from adding quotes to the column by using the `identify` argument when generating the SQL.
+316            """
+317            alias = expression.args.get("alias")
+318            if alias and alias.args.get("columns"):
+319                expression = expression.transform(
+320                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+321                    if isinstance(node, exp.Identifier)
+322                    and isinstance(node.parent, exp.TableAlias)
+323                    and node.arg_key == "columns"
+324                    else node,
+325                )
+326                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
+327            return super().values_sql(expression)
+328
+329        def settag_sql(self, expression: exp.SetTag) -> str:
+330            action = "UNSET" if expression.args.get("unset") else "SET"
+331            return f"{action} TAG {self.expressions(expression)}"
+332
+333        def select_sql(self, expression: exp.Select) -> str:
+334            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
+335            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
+336            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
+337            generating the SQL.
+338
+339            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
+340            expression. This might not be true in a case where the same column name can be sourced from another table that can
+341            properly quote but should be true in most cases.
+342            """
+343            values_expressions = expression.find_all(exp.Values)
+344            values_identifiers = set(
+345                flatten(
+346                    v.args.get("alias", exp.Alias()).args.get("columns", [])
+347                    for v in values_expressions
+348                )
+349            )
+350            if values_identifiers:
+351                expression = expression.transform(
+352                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+353                    if isinstance(node, exp.Identifier) and node in values_identifiers
+354                    else node,
+355                )
+356                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
+357            return super().select_sql(expression)
+358
+359        def describe_sql(self, expression: exp.Describe) -> str:
+360            # Default to table if kind is unknown
+361            kind_value = expression.args.get("kind") or "TABLE"
+362            kind = f" {kind_value}" if kind_value else ""
+363            this = f" {self.sql(expression, 'this')}"
+364            return f"DESCRIBE{kind}{this}"
+365
+366        def generatedasidentitycolumnconstraint_sql(
+367            self, expression: exp.GeneratedAsIdentityColumnConstraint
+368        ) -> str:
+369            start = expression.args.get("start")
+370            start = f" START {start}" if start else ""
+371            increment = expression.args.get("increment")
+372            increment = f" INCREMENT {increment}" if increment else ""
+373            return f"AUTOINCREMENT{start}{increment}"
 
    
 
 
@@ -453,229 +492,249 @@
    - 
    116class Snowflake(Dialect):
-117    null_ordering = "nulls_are_large"
-118    time_format = "'yyyy-mm-dd hh24:mi:ss'"
-119
-120    time_mapping = {
-121        "YYYY": "%Y",
-122        "yyyy": "%Y",
-123        "YY": "%y",
-124        "yy": "%y",
-125        "MMMM": "%B",
-126        "mmmm": "%B",
-127        "MON": "%b",
-128        "mon": "%b",
-129        "MM": "%m",
-130        "mm": "%m",
-131        "DD": "%d",
-132        "dd": "%d",
-133        "d": "%-d",
-134        "DY": "%w",
-135        "dy": "%w",
-136        "HH24": "%H",
-137        "hh24": "%H",
-138        "HH12": "%I",
-139        "hh12": "%I",
-140        "MI": "%M",
-141        "mi": "%M",
-142        "SS": "%S",
-143        "ss": "%S",
-144        "FF": "%f",
-145        "ff": "%f",
-146        "FF6": "%f",
-147        "ff6": "%f",
-148    }
-149
-150    class Parser(parser.Parser):
-151        FUNCTIONS = {
-152            **parser.Parser.FUNCTIONS,
-153            "ARRAYAGG": exp.ArrayAgg.from_arg_list,
-154            "DATE_TRUNC": lambda args: exp.DateTrunc(
-155                unit=exp.Literal.string(seq_get(args, 0).name),  # type: ignore
-156                this=seq_get(args, 1),
-157            ),
-158            "IFF": exp.If.from_arg_list,
-159            "TO_TIMESTAMP": _snowflake_to_timestamp,
-160            "ARRAY_CONSTRUCT": exp.Array.from_arg_list,
-161            "RLIKE": exp.RegexpLike.from_arg_list,
-162            "DECODE": exp.Matches.from_arg_list,
-163            "OBJECT_CONSTRUCT": parser.parse_var_map,
-164        }
+            
    132class Snowflake(Dialect):
+133    null_ordering = "nulls_are_large"
+134    time_format = "'yyyy-mm-dd hh24:mi:ss'"
+135
+136    time_mapping = {
+137        "YYYY": "%Y",
+138        "yyyy": "%Y",
+139        "YY": "%y",
+140        "yy": "%y",
+141        "MMMM": "%B",
+142        "mmmm": "%B",
+143        "MON": "%b",
+144        "mon": "%b",
+145        "MM": "%m",
+146        "mm": "%m",
+147        "DD": "%d",
+148        "dd": "%d",
+149        "d": "%-d",
+150        "DY": "%w",
+151        "dy": "%w",
+152        "HH24": "%H",
+153        "hh24": "%H",
+154        "HH12": "%I",
+155        "hh12": "%I",
+156        "MI": "%M",
+157        "mi": "%M",
+158        "SS": "%S",
+159        "ss": "%S",
+160        "FF": "%f",
+161        "ff": "%f",
+162        "FF6": "%f",
+163        "ff6": "%f",
+164    }
 165
-166        FUNCTION_PARSERS = {
-167            **parser.Parser.FUNCTION_PARSERS,
-168            "DATE_PART": _parse_date_part,
-169        }
-170        FUNCTION_PARSERS.pop("TRIM")
-171
-172        FUNC_TOKENS = {
-173            *parser.Parser.FUNC_TOKENS,
-174            TokenType.RLIKE,
-175            TokenType.TABLE,
-176        }
-177
-178        COLUMN_OPERATORS = {
-179            **parser.Parser.COLUMN_OPERATORS,  # type: ignore
-180            TokenType.COLON: lambda self, this, path: self.expression(
-181                exp.Bracket,
-182                this=this,
-183                expressions=[path],
-184            ),
-185        }
-186
-187        RANGE_PARSERS = {
-188            **parser.Parser.RANGE_PARSERS,  # type: ignore
-189            TokenType.LIKE_ANY: lambda self, this: self._parse_escape(
-190                self.expression(exp.LikeAny, this=this, expression=self._parse_bitwise())
-191            ),
-192            TokenType.ILIKE_ANY: lambda self, this: self._parse_escape(
-193                self.expression(exp.ILikeAny, this=this, expression=self._parse_bitwise())
-194            ),
-195        }
-196
-197    class Tokenizer(tokens.Tokenizer):
-198        QUOTES = ["'", "$$"]
-199        STRING_ESCAPES = ["\\", "'"]
-200
-201        KEYWORDS = {
-202            **tokens.Tokenizer.KEYWORDS,
-203            "EXCLUDE": TokenType.EXCEPT,
-204            "ILIKE ANY": TokenType.ILIKE_ANY,
-205            "LIKE ANY": TokenType.LIKE_ANY,
-206            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
-207            "PUT": TokenType.COMMAND,
-208            "RENAME": TokenType.REPLACE,
-209            "TIMESTAMP_LTZ": TokenType.TIMESTAMPLTZ,
-210            "TIMESTAMP_NTZ": TokenType.TIMESTAMP,
-211            "TIMESTAMP_TZ": TokenType.TIMESTAMPTZ,
-212            "TIMESTAMPNTZ": TokenType.TIMESTAMP,
-213            "MINUS": TokenType.EXCEPT,
-214            "SAMPLE": TokenType.TABLE_SAMPLE,
+166    class Parser(parser.Parser):
+167        FUNCTIONS = {
+168            **parser.Parser.FUNCTIONS,
+169            "ARRAYAGG": exp.ArrayAgg.from_arg_list,
+170            "ARRAY_TO_STRING": exp.ArrayJoin.from_arg_list,
+171            "DATE_TRUNC": lambda args: exp.DateTrunc(
+172                unit=exp.Literal.string(seq_get(args, 0).name),  # type: ignore
+173                this=seq_get(args, 1),
+174            ),
+175            "DIV0": _div0_to_if,
+176            "IFF": exp.If.from_arg_list,
+177            "TO_ARRAY": exp.Array.from_arg_list,
+178            "TO_TIMESTAMP": _snowflake_to_timestamp,
+179            "ARRAY_CONSTRUCT": exp.Array.from_arg_list,
+180            "RLIKE": exp.RegexpLike.from_arg_list,
+181            "DECODE": exp.Matches.from_arg_list,
+182            "OBJECT_CONSTRUCT": parser.parse_var_map,
+183            "ZEROIFNULL": _zeroifnull_to_if,
+184        }
+185
+186        FUNCTION_PARSERS = {
+187            **parser.Parser.FUNCTION_PARSERS,
+188            "DATE_PART": _parse_date_part,
+189        }
+190        FUNCTION_PARSERS.pop("TRIM")
+191
+192        FUNC_TOKENS = {
+193            *parser.Parser.FUNC_TOKENS,
+194            TokenType.RLIKE,
+195            TokenType.TABLE,
+196        }
+197
+198        COLUMN_OPERATORS = {
+199            **parser.Parser.COLUMN_OPERATORS,  # type: ignore
+200            TokenType.COLON: lambda self, this, path: self.expression(
+201                exp.Bracket,
+202                this=this,
+203                expressions=[path],
+204            ),
+205        }
+206
+207        RANGE_PARSERS = {
+208            **parser.Parser.RANGE_PARSERS,  # type: ignore
+209            TokenType.LIKE_ANY: lambda self, this: self._parse_escape(
+210                self.expression(exp.LikeAny, this=this, expression=self._parse_bitwise())
+211            ),
+212            TokenType.ILIKE_ANY: lambda self, this: self._parse_escape(
+213                self.expression(exp.ILikeAny, this=this, expression=self._parse_bitwise())
+214            ),
 215        }
 216
-217        SINGLE_TOKENS = {
-218            **tokens.Tokenizer.SINGLE_TOKENS,
-219            "$": TokenType.PARAMETER,
-220        }
-221
-222    class Generator(generator.Generator):
-223        PARAMETER_TOKEN = "$"
-224
-225        TRANSFORMS = {
-226            **generator.Generator.TRANSFORMS,  # type: ignore
-227            exp.Array: inline_array_sql,
-228            exp.ArrayConcat: rename_func("ARRAY_CAT"),
-229            exp.DateAdd: rename_func("DATEADD"),
-230            exp.DateStrToDate: datestrtodate_sql,
-231            exp.DataType: _datatype_sql,
-232            exp.If: rename_func("IFF"),
-233            exp.Map: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
-234            exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
-235            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
-236            exp.Matches: rename_func("DECODE"),
-237            exp.StrPosition: lambda self, e: self.func(
-238                "POSITION", e.args.get("substr"), e.this, e.args.get("position")
-239            ),
-240            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-241            exp.TimeStrToTime: timestrtotime_sql,
-242            exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})",
-243            exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression),
-244            exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"),
-245            exp.UnixToTime: _unix_to_time_sql,
-246            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-247        }
-248
-249        TYPE_MAPPING = {
-250            **generator.Generator.TYPE_MAPPING,  # type: ignore
-251            exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ",
-252        }
-253
-254        STAR_MAPPING = {
-255            "except": "EXCLUDE",
-256            "replace": "RENAME",
-257        }
-258
-259        PROPERTIES_LOCATION = {
-260            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-261            exp.SetProperty: exp.Properties.Location.UNSUPPORTED,
-262        }
-263
-264        def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
-265            return self.binary(expression, "ILIKE ANY")
-266
-267        def likeany_sql(self, expression: exp.LikeAny) -> str:
-268            return self.binary(expression, "LIKE ANY")
-269
-270        def except_op(self, expression):
-271            if not expression.args.get("distinct", False):
-272                self.unsupported("EXCEPT with All is not supported in Snowflake")
-273            return super().except_op(expression)
-274
-275        def intersect_op(self, expression):
-276            if not expression.args.get("distinct", False):
-277                self.unsupported("INTERSECT with All is not supported in Snowflake")
-278            return super().intersect_op(expression)
-279
-280        def values_sql(self, expression: exp.Values) -> str:
-281            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
-282
-283            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
-284            from adding quotes to the column by using the `identify` argument when generating the SQL.
-285            """
-286            alias = expression.args.get("alias")
-287            if alias and alias.args.get("columns"):
-288                expression = expression.transform(
-289                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-290                    if isinstance(node, exp.Identifier)
-291                    and isinstance(node.parent, exp.TableAlias)
-292                    and node.arg_key == "columns"
-293                    else node,
-294                )
-295                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
-296            return super().values_sql(expression)
-297
-298        def select_sql(self, expression: exp.Select) -> str:
-299            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
-300            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
-301            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
-302            generating the SQL.
-303
-304            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
-305            expression. This might not be true in a case where the same column name can be sourced from another table that can
-306            properly quote but should be true in most cases.
-307            """
-308            values_expressions = expression.find_all(exp.Values)
-309            values_identifiers = set(
-310                flatten(
-311                    v.args.get("alias", exp.Alias()).args.get("columns", [])
-312                    for v in values_expressions
-313                )
-314            )
-315            if values_identifiers:
-316                expression = expression.transform(
-317                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-318                    if isinstance(node, exp.Identifier) and node in values_identifiers
-319                    else node,
-320                )
-321                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
-322            return super().select_sql(expression)
-323
-324        def describe_sql(self, expression: exp.Describe) -> str:
-325            # Default to table if kind is unknown
-326            kind_value = expression.args.get("kind") or "TABLE"
-327            kind = f" {kind_value}" if kind_value else ""
-328            this = f" {self.sql(expression, 'this')}"
-329            return f"DESCRIBE{kind}{this}"
-330
-331        def generatedasidentitycolumnconstraint_sql(
-332            self, expression: exp.GeneratedAsIdentityColumnConstraint
-333        ) -> str:
-334            start = expression.args.get("start")
-335            start = f" START {start}" if start else ""
-336            increment = expression.args.get("increment")
-337            increment = f" INCREMENT {increment}" if increment else ""
-338            return f"AUTOINCREMENT{start}{increment}"
+217        ALTER_PARSERS = {
+218            **parser.Parser.ALTER_PARSERS,  # type: ignore
+219            "UNSET": lambda self: self._parse_alter_table_set_tag(unset=True),
+220            "SET": lambda self: self._parse_alter_table_set_tag(),
+221        }
+222
+223        def _parse_alter_table_set_tag(self, unset: bool = False) -> exp.Expression:
+224            self._match_text_seq("TAG")
+225            parser = t.cast(t.Callable, self._parse_id_var if unset else self._parse_conjunction)
+226            return self.expression(exp.SetTag, expressions=self._parse_csv(parser), unset=unset)
+227
+228    class Tokenizer(tokens.Tokenizer):
+229        QUOTES = ["'", "$$"]
+230        STRING_ESCAPES = ["\\", "'"]
+231
+232        KEYWORDS = {
+233            **tokens.Tokenizer.KEYWORDS,
+234            "EXCLUDE": TokenType.EXCEPT,
+235            "ILIKE ANY": TokenType.ILIKE_ANY,
+236            "LIKE ANY": TokenType.LIKE_ANY,
+237            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
+238            "PUT": TokenType.COMMAND,
+239            "RENAME": TokenType.REPLACE,
+240            "TIMESTAMP_LTZ": TokenType.TIMESTAMPLTZ,
+241            "TIMESTAMP_NTZ": TokenType.TIMESTAMP,
+242            "TIMESTAMP_TZ": TokenType.TIMESTAMPTZ,
+243            "TIMESTAMPNTZ": TokenType.TIMESTAMP,
+244            "MINUS": TokenType.EXCEPT,
+245            "SAMPLE": TokenType.TABLE_SAMPLE,
+246        }
+247
+248        SINGLE_TOKENS = {
+249            **tokens.Tokenizer.SINGLE_TOKENS,
+250            "$": TokenType.PARAMETER,
+251        }
+252
+253    class Generator(generator.Generator):
+254        PARAMETER_TOKEN = "$"
+255
+256        TRANSFORMS = {
+257            **generator.Generator.TRANSFORMS,  # type: ignore
+258            exp.Array: inline_array_sql,
+259            exp.ArrayConcat: rename_func("ARRAY_CAT"),
+260            exp.ArrayJoin: rename_func("ARRAY_TO_STRING"),
+261            exp.DateAdd: lambda self, e: self.func("DATEADD", e.text("unit"), e.expression, e.this),
+262            exp.DateStrToDate: datestrtodate_sql,
+263            exp.DataType: _datatype_sql,
+264            exp.If: rename_func("IFF"),
+265            exp.Map: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
+266            exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
+267            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
+268            exp.Matches: rename_func("DECODE"),
+269            exp.StrPosition: lambda self, e: self.func(
+270                "POSITION", e.args.get("substr"), e.this, e.args.get("position")
+271            ),
+272            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+273            exp.TimeStrToTime: timestrtotime_sql,
+274            exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})",
+275            exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression),
+276            exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"),
+277            exp.UnixToTime: _unix_to_time_sql,
+278            exp.DayOfWeek: rename_func("DAYOFWEEK"),
+279        }
+280
+281        TYPE_MAPPING = {
+282            **generator.Generator.TYPE_MAPPING,  # type: ignore
+283            exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ",
+284        }
+285
+286        STAR_MAPPING = {
+287            "except": "EXCLUDE",
+288            "replace": "RENAME",
+289        }
+290
+291        PROPERTIES_LOCATION = {
+292            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+293            exp.SetProperty: exp.Properties.Location.UNSUPPORTED,
+294        }
+295
+296        def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
+297            return self.binary(expression, "ILIKE ANY")
+298
+299        def likeany_sql(self, expression: exp.LikeAny) -> str:
+300            return self.binary(expression, "LIKE ANY")
+301
+302        def except_op(self, expression):
+303            if not expression.args.get("distinct", False):
+304                self.unsupported("EXCEPT with All is not supported in Snowflake")
+305            return super().except_op(expression)
+306
+307        def intersect_op(self, expression):
+308            if not expression.args.get("distinct", False):
+309                self.unsupported("INTERSECT with All is not supported in Snowflake")
+310            return super().intersect_op(expression)
+311
+312        def values_sql(self, expression: exp.Values) -> str:
+313            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
+314
+315            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
+316            from adding quotes to the column by using the `identify` argument when generating the SQL.
+317            """
+318            alias = expression.args.get("alias")
+319            if alias and alias.args.get("columns"):
+320                expression = expression.transform(
+321                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+322                    if isinstance(node, exp.Identifier)
+323                    and isinstance(node.parent, exp.TableAlias)
+324                    and node.arg_key == "columns"
+325                    else node,
+326                )
+327                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
+328            return super().values_sql(expression)
+329
+330        def settag_sql(self, expression: exp.SetTag) -> str:
+331            action = "UNSET" if expression.args.get("unset") else "SET"
+332            return f"{action} TAG {self.expressions(expression)}"
+333
+334        def select_sql(self, expression: exp.Select) -> str:
+335            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
+336            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
+337            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
+338            generating the SQL.
+339
+340            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
+341            expression. This might not be true in a case where the same column name can be sourced from another table that can
+342            properly quote but should be true in most cases.
+343            """
+344            values_expressions = expression.find_all(exp.Values)
+345            values_identifiers = set(
+346                flatten(
+347                    v.args.get("alias", exp.Alias()).args.get("columns", [])
+348                    for v in values_expressions
+349                )
+350            )
+351            if values_identifiers:
+352                expression = expression.transform(
+353                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+354                    if isinstance(node, exp.Identifier) and node in values_identifiers
+355                    else node,
+356                )
+357                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
+358            return super().select_sql(expression)
+359
+360        def describe_sql(self, expression: exp.Describe) -> str:
+361            # Default to table if kind is unknown
+362            kind_value = expression.args.get("kind") or "TABLE"
+363            kind = f" {kind_value}" if kind_value else ""
+364            this = f" {self.sql(expression, 'this')}"
+365            return f"DESCRIBE{kind}{this}"
+366
+367        def generatedasidentitycolumnconstraint_sql(
+368            self, expression: exp.GeneratedAsIdentityColumnConstraint
+369        ) -> str:
+370            start = expression.args.get("start")
+371            start = f" START {start}" if start else ""
+372            increment = expression.args.get("increment")
+373            increment = f" INCREMENT {increment}" if increment else ""
+374            return f"AUTOINCREMENT{start}{increment}"
 
    
 
 
@@ -709,52 +768,67 @@
    - 
    150    class Parser(parser.Parser):
-151        FUNCTIONS = {
-152            **parser.Parser.FUNCTIONS,
-153            "ARRAYAGG": exp.ArrayAgg.from_arg_list,
-154            "DATE_TRUNC": lambda args: exp.DateTrunc(
-155                unit=exp.Literal.string(seq_get(args, 0).name),  # type: ignore
-156                this=seq_get(args, 1),
-157            ),
-158            "IFF": exp.If.from_arg_list,
-159            "TO_TIMESTAMP": _snowflake_to_timestamp,
-160            "ARRAY_CONSTRUCT": exp.Array.from_arg_list,
-161            "RLIKE": exp.RegexpLike.from_arg_list,
-162            "DECODE": exp.Matches.from_arg_list,
-163            "OBJECT_CONSTRUCT": parser.parse_var_map,
-164        }
-165
-166        FUNCTION_PARSERS = {
-167            **parser.Parser.FUNCTION_PARSERS,
-168            "DATE_PART": _parse_date_part,
-169        }
-170        FUNCTION_PARSERS.pop("TRIM")
-171
-172        FUNC_TOKENS = {
-173            *parser.Parser.FUNC_TOKENS,
-174            TokenType.RLIKE,
-175            TokenType.TABLE,
-176        }
-177
-178        COLUMN_OPERATORS = {
-179            **parser.Parser.COLUMN_OPERATORS,  # type: ignore
-180            TokenType.COLON: lambda self, this, path: self.expression(
-181                exp.Bracket,
-182                this=this,
-183                expressions=[path],
-184            ),
-185        }
-186
-187        RANGE_PARSERS = {
-188            **parser.Parser.RANGE_PARSERS,  # type: ignore
-189            TokenType.LIKE_ANY: lambda self, this: self._parse_escape(
-190                self.expression(exp.LikeAny, this=this, expression=self._parse_bitwise())
-191            ),
-192            TokenType.ILIKE_ANY: lambda self, this: self._parse_escape(
-193                self.expression(exp.ILikeAny, this=this, expression=self._parse_bitwise())
-194            ),
-195        }
+            
    166    class Parser(parser.Parser):
+167        FUNCTIONS = {
+168            **parser.Parser.FUNCTIONS,
+169            "ARRAYAGG": exp.ArrayAgg.from_arg_list,
+170            "ARRAY_TO_STRING": exp.ArrayJoin.from_arg_list,
+171            "DATE_TRUNC": lambda args: exp.DateTrunc(
+172                unit=exp.Literal.string(seq_get(args, 0).name),  # type: ignore
+173                this=seq_get(args, 1),
+174            ),
+175            "DIV0": _div0_to_if,
+176            "IFF": exp.If.from_arg_list,
+177            "TO_ARRAY": exp.Array.from_arg_list,
+178            "TO_TIMESTAMP": _snowflake_to_timestamp,
+179            "ARRAY_CONSTRUCT": exp.Array.from_arg_list,
+180            "RLIKE": exp.RegexpLike.from_arg_list,
+181            "DECODE": exp.Matches.from_arg_list,
+182            "OBJECT_CONSTRUCT": parser.parse_var_map,
+183            "ZEROIFNULL": _zeroifnull_to_if,
+184        }
+185
+186        FUNCTION_PARSERS = {
+187            **parser.Parser.FUNCTION_PARSERS,
+188            "DATE_PART": _parse_date_part,
+189        }
+190        FUNCTION_PARSERS.pop("TRIM")
+191
+192        FUNC_TOKENS = {
+193            *parser.Parser.FUNC_TOKENS,
+194            TokenType.RLIKE,
+195            TokenType.TABLE,
+196        }
+197
+198        COLUMN_OPERATORS = {
+199            **parser.Parser.COLUMN_OPERATORS,  # type: ignore
+200            TokenType.COLON: lambda self, this, path: self.expression(
+201                exp.Bracket,
+202                this=this,
+203                expressions=[path],
+204            ),
+205        }
+206
+207        RANGE_PARSERS = {
+208            **parser.Parser.RANGE_PARSERS,  # type: ignore
+209            TokenType.LIKE_ANY: lambda self, this: self._parse_escape(
+210                self.expression(exp.LikeAny, this=this, expression=self._parse_bitwise())
+211            ),
+212            TokenType.ILIKE_ANY: lambda self, this: self._parse_escape(
+213                self.expression(exp.ILikeAny, this=this, expression=self._parse_bitwise())
+214            ),
+215        }
+216
+217        ALTER_PARSERS = {
+218            **parser.Parser.ALTER_PARSERS,  # type: ignore
+219            "UNSET": lambda self: self._parse_alter_table_set_tag(unset=True),
+220            "SET": lambda self: self._parse_alter_table_set_tag(),
+221        }
+222
+223        def _parse_alter_table_set_tag(self, unset: bool = False) -> exp.Expression:
+224            self._match_text_seq("TAG")
+225            parser = t.cast(t.Callable, self._parse_id_var if unset else self._parse_conjunction)
+226            return self.expression(exp.SetTag, expressions=self._parse_csv(parser), unset=unset)
 
    
 
 
@@ -811,30 +885,30 @@ Default: "nulls_are_small"
    - 
    197    class Tokenizer(tokens.Tokenizer):
-198        QUOTES = ["'", "$$"]
-199        STRING_ESCAPES = ["\\", "'"]
-200
-201        KEYWORDS = {
-202            **tokens.Tokenizer.KEYWORDS,
-203            "EXCLUDE": TokenType.EXCEPT,
-204            "ILIKE ANY": TokenType.ILIKE_ANY,
-205            "LIKE ANY": TokenType.LIKE_ANY,
-206            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
-207            "PUT": TokenType.COMMAND,
-208            "RENAME": TokenType.REPLACE,
-209            "TIMESTAMP_LTZ": TokenType.TIMESTAMPLTZ,
-210            "TIMESTAMP_NTZ": TokenType.TIMESTAMP,
-211            "TIMESTAMP_TZ": TokenType.TIMESTAMPTZ,
-212            "TIMESTAMPNTZ": TokenType.TIMESTAMP,
-213            "MINUS": TokenType.EXCEPT,
-214            "SAMPLE": TokenType.TABLE_SAMPLE,
-215        }
-216
-217        SINGLE_TOKENS = {
-218            **tokens.Tokenizer.SINGLE_TOKENS,
-219            "$": TokenType.PARAMETER,
-220        }
+            
    228    class Tokenizer(tokens.Tokenizer):
+229        QUOTES = ["'", "$$"]
+230        STRING_ESCAPES = ["\\", "'"]
+231
+232        KEYWORDS = {
+233            **tokens.Tokenizer.KEYWORDS,
+234            "EXCLUDE": TokenType.EXCEPT,
+235            "ILIKE ANY": TokenType.ILIKE_ANY,
+236            "LIKE ANY": TokenType.LIKE_ANY,
+237            "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
+238            "PUT": TokenType.COMMAND,
+239            "RENAME": TokenType.REPLACE,
+240            "TIMESTAMP_LTZ": TokenType.TIMESTAMPLTZ,
+241            "TIMESTAMP_NTZ": TokenType.TIMESTAMP,
+242            "TIMESTAMP_TZ": TokenType.TIMESTAMPTZ,
+243            "TIMESTAMPNTZ": TokenType.TIMESTAMP,
+244            "MINUS": TokenType.EXCEPT,
+245            "SAMPLE": TokenType.TABLE_SAMPLE,
+246        }
+247
+248        SINGLE_TOKENS = {
+249            **tokens.Tokenizer.SINGLE_TOKENS,
+250            "$": TokenType.PARAMETER,
+251        }
 
    
 
 
@@ -862,123 +936,128 @@ Default: "nulls_are_small"
    - 
    222    class Generator(generator.Generator):
-223        PARAMETER_TOKEN = "$"
-224
-225        TRANSFORMS = {
-226            **generator.Generator.TRANSFORMS,  # type: ignore
-227            exp.Array: inline_array_sql,
-228            exp.ArrayConcat: rename_func("ARRAY_CAT"),
-229            exp.DateAdd: rename_func("DATEADD"),
-230            exp.DateStrToDate: datestrtodate_sql,
-231            exp.DataType: _datatype_sql,
-232            exp.If: rename_func("IFF"),
-233            exp.Map: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
-234            exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
-235            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
-236            exp.Matches: rename_func("DECODE"),
-237            exp.StrPosition: lambda self, e: self.func(
-238                "POSITION", e.args.get("substr"), e.this, e.args.get("position")
-239            ),
-240            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
-241            exp.TimeStrToTime: timestrtotime_sql,
-242            exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})",
-243            exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression),
-244            exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"),
-245            exp.UnixToTime: _unix_to_time_sql,
-246            exp.DayOfWeek: rename_func("DAYOFWEEK"),
-247        }
-248
-249        TYPE_MAPPING = {
-250            **generator.Generator.TYPE_MAPPING,  # type: ignore
-251            exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ",
-252        }
-253
-254        STAR_MAPPING = {
-255            "except": "EXCLUDE",
-256            "replace": "RENAME",
-257        }
-258
-259        PROPERTIES_LOCATION = {
-260            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-261            exp.SetProperty: exp.Properties.Location.UNSUPPORTED,
-262        }
-263
-264        def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
-265            return self.binary(expression, "ILIKE ANY")
-266
-267        def likeany_sql(self, expression: exp.LikeAny) -> str:
-268            return self.binary(expression, "LIKE ANY")
-269
-270        def except_op(self, expression):
-271            if not expression.args.get("distinct", False):
-272                self.unsupported("EXCEPT with All is not supported in Snowflake")
-273            return super().except_op(expression)
-274
-275        def intersect_op(self, expression):
-276            if not expression.args.get("distinct", False):
-277                self.unsupported("INTERSECT with All is not supported in Snowflake")
-278            return super().intersect_op(expression)
-279
-280        def values_sql(self, expression: exp.Values) -> str:
-281            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
-282
-283            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
-284            from adding quotes to the column by using the `identify` argument when generating the SQL.
-285            """
-286            alias = expression.args.get("alias")
-287            if alias and alias.args.get("columns"):
-288                expression = expression.transform(
-289                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-290                    if isinstance(node, exp.Identifier)
-291                    and isinstance(node.parent, exp.TableAlias)
-292                    and node.arg_key == "columns"
-293                    else node,
-294                )
-295                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
-296            return super().values_sql(expression)
-297
-298        def select_sql(self, expression: exp.Select) -> str:
-299            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
-300            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
-301            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
-302            generating the SQL.
-303
-304            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
-305            expression. This might not be true in a case where the same column name can be sourced from another table that can
-306            properly quote but should be true in most cases.
-307            """
-308            values_expressions = expression.find_all(exp.Values)
-309            values_identifiers = set(
-310                flatten(
-311                    v.args.get("alias", exp.Alias()).args.get("columns", [])
-312                    for v in values_expressions
-313                )
-314            )
-315            if values_identifiers:
-316                expression = expression.transform(
-317                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-318                    if isinstance(node, exp.Identifier) and node in values_identifiers
-319                    else node,
-320                )
-321                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
-322            return super().select_sql(expression)
-323
-324        def describe_sql(self, expression: exp.Describe) -> str:
-325            # Default to table if kind is unknown
-326            kind_value = expression.args.get("kind") or "TABLE"
-327            kind = f" {kind_value}" if kind_value else ""
-328            this = f" {self.sql(expression, 'this')}"
-329            return f"DESCRIBE{kind}{this}"
-330
-331        def generatedasidentitycolumnconstraint_sql(
-332            self, expression: exp.GeneratedAsIdentityColumnConstraint
-333        ) -> str:
-334            start = expression.args.get("start")
-335            start = f" START {start}" if start else ""
-336            increment = expression.args.get("increment")
-337            increment = f" INCREMENT {increment}" if increment else ""
-338            return f"AUTOINCREMENT{start}{increment}"
+            
    253    class Generator(generator.Generator):
+254        PARAMETER_TOKEN = "$"
+255
+256        TRANSFORMS = {
+257            **generator.Generator.TRANSFORMS,  # type: ignore
+258            exp.Array: inline_array_sql,
+259            exp.ArrayConcat: rename_func("ARRAY_CAT"),
+260            exp.ArrayJoin: rename_func("ARRAY_TO_STRING"),
+261            exp.DateAdd: lambda self, e: self.func("DATEADD", e.text("unit"), e.expression, e.this),
+262            exp.DateStrToDate: datestrtodate_sql,
+263            exp.DataType: _datatype_sql,
+264            exp.If: rename_func("IFF"),
+265            exp.Map: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
+266            exp.VarMap: lambda self, e: var_map_sql(self, e, "OBJECT_CONSTRUCT"),
+267            exp.PartitionedByProperty: lambda self, e: f"PARTITION BY {self.sql(e, 'this')}",
+268            exp.Matches: rename_func("DECODE"),
+269            exp.StrPosition: lambda self, e: self.func(
+270                "POSITION", e.args.get("substr"), e.this, e.args.get("position")
+271            ),
+272            exp.StrToTime: lambda self, e: f"TO_TIMESTAMP({self.sql(e, 'this')}, {self.format_time(e)})",
+273            exp.TimeStrToTime: timestrtotime_sql,
+274            exp.TimeToUnix: lambda self, e: f"EXTRACT(epoch_second FROM {self.sql(e, 'this')})",
+275            exp.Trim: lambda self, e: self.func("TRIM", e.this, e.expression),
+276            exp.TsOrDsToDate: ts_or_ds_to_date_sql("snowflake"),
+277            exp.UnixToTime: _unix_to_time_sql,
+278            exp.DayOfWeek: rename_func("DAYOFWEEK"),
+279        }
+280
+281        TYPE_MAPPING = {
+282            **generator.Generator.TYPE_MAPPING,  # type: ignore
+283            exp.DataType.Type.TIMESTAMP: "TIMESTAMPNTZ",
+284        }
+285
+286        STAR_MAPPING = {
+287            "except": "EXCLUDE",
+288            "replace": "RENAME",
+289        }
+290
+291        PROPERTIES_LOCATION = {
+292            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+293            exp.SetProperty: exp.Properties.Location.UNSUPPORTED,
+294        }
+295
+296        def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
+297            return self.binary(expression, "ILIKE ANY")
+298
+299        def likeany_sql(self, expression: exp.LikeAny) -> str:
+300            return self.binary(expression, "LIKE ANY")
+301
+302        def except_op(self, expression):
+303            if not expression.args.get("distinct", False):
+304                self.unsupported("EXCEPT with All is not supported in Snowflake")
+305            return super().except_op(expression)
+306
+307        def intersect_op(self, expression):
+308            if not expression.args.get("distinct", False):
+309                self.unsupported("INTERSECT with All is not supported in Snowflake")
+310            return super().intersect_op(expression)
+311
+312        def values_sql(self, expression: exp.Values) -> str:
+313            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
+314
+315            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
+316            from adding quotes to the column by using the `identify` argument when generating the SQL.
+317            """
+318            alias = expression.args.get("alias")
+319            if alias and alias.args.get("columns"):
+320                expression = expression.transform(
+321                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+322                    if isinstance(node, exp.Identifier)
+323                    and isinstance(node.parent, exp.TableAlias)
+324                    and node.arg_key == "columns"
+325                    else node,
+326                )
+327                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
+328            return super().values_sql(expression)
+329
+330        def settag_sql(self, expression: exp.SetTag) -> str:
+331            action = "UNSET" if expression.args.get("unset") else "SET"
+332            return f"{action} TAG {self.expressions(expression)}"
+333
+334        def select_sql(self, expression: exp.Select) -> str:
+335            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
+336            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
+337            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
+338            generating the SQL.
+339
+340            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
+341            expression. This might not be true in a case where the same column name can be sourced from another table that can
+342            properly quote but should be true in most cases.
+343            """
+344            values_expressions = expression.find_all(exp.Values)
+345            values_identifiers = set(
+346                flatten(
+347                    v.args.get("alias", exp.Alias()).args.get("columns", [])
+348                    for v in values_expressions
+349                )
+350            )
+351            if values_identifiers:
+352                expression = expression.transform(
+353                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+354                    if isinstance(node, exp.Identifier) and node in values_identifiers
+355                    else node,
+356                )
+357                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
+358            return super().select_sql(expression)
+359
+360        def describe_sql(self, expression: exp.Describe) -> str:
+361            # Default to table if kind is unknown
+362            kind_value = expression.args.get("kind") or "TABLE"
+363            kind = f" {kind_value}" if kind_value else ""
+364            this = f" {self.sql(expression, 'this')}"
+365            return f"DESCRIBE{kind}{this}"
+366
+367        def generatedasidentitycolumnconstraint_sql(
+368            self, expression: exp.GeneratedAsIdentityColumnConstraint
+369        ) -> str:
+370            start = expression.args.get("start")
+371            start = f" START {start}" if start else ""
+372            increment = expression.args.get("increment")
+373            increment = f" INCREMENT {increment}" if increment else ""
+374            return f"AUTOINCREMENT{start}{increment}"
 
    
 
 
@@ -1038,8 +1117,8 @@ Default: True
    - 
    264        def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
-265            return self.binary(expression, "ILIKE ANY")
+            
    296        def ilikeany_sql(self, expression: exp.ILikeAny) -> str:
+297            return self.binary(expression, "ILIKE ANY")
 
    
 
 
@@ -1057,8 +1136,8 @@ Default: True
    - 
    267        def likeany_sql(self, expression: exp.LikeAny) -> str:
-268            return self.binary(expression, "LIKE ANY")
+            
    299        def likeany_sql(self, expression: exp.LikeAny) -> str:
+300            return self.binary(expression, "LIKE ANY")
 
    
 
 
@@ -1076,10 +1155,10 @@ Default: True
    - 
    270        def except_op(self, expression):
-271            if not expression.args.get("distinct", False):
-272                self.unsupported("EXCEPT with All is not supported in Snowflake")
-273            return super().except_op(expression)
+            
    302        def except_op(self, expression):
+303            if not expression.args.get("distinct", False):
+304                self.unsupported("EXCEPT with All is not supported in Snowflake")
+305            return super().except_op(expression)
 
    
 
 
@@ -1097,10 +1176,10 @@ Default: True
    - 
    275        def intersect_op(self, expression):
-276            if not expression.args.get("distinct", False):
-277                self.unsupported("INTERSECT with All is not supported in Snowflake")
-278            return super().intersect_op(expression)
+            
    307        def intersect_op(self, expression):
+308            if not expression.args.get("distinct", False):
+309                self.unsupported("INTERSECT with All is not supported in Snowflake")
+310            return super().intersect_op(expression)
 
    
 
 
@@ -1118,23 +1197,23 @@ Default: True
    - 
    280        def values_sql(self, expression: exp.Values) -> str:
-281            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
-282
-283            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
-284            from adding quotes to the column by using the `identify` argument when generating the SQL.
-285            """
-286            alias = expression.args.get("alias")
-287            if alias and alias.args.get("columns"):
-288                expression = expression.transform(
-289                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-290                    if isinstance(node, exp.Identifier)
-291                    and isinstance(node.parent, exp.TableAlias)
-292                    and node.arg_key == "columns"
-293                    else node,
-294                )
-295                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
-296            return super().values_sql(expression)
+            
    312        def values_sql(self, expression: exp.Values) -> str:
+313            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted.
+314
+315            We also want to make sure that after we find matches where we need to unquote a column that we prevent users
+316            from adding quotes to the column by using the `identify` argument when generating the SQL.
+317            """
+318            alias = expression.args.get("alias")
+319            if alias and alias.args.get("columns"):
+320                expression = expression.transform(
+321                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+322                    if isinstance(node, exp.Identifier)
+323                    and isinstance(node.parent, exp.TableAlias)
+324                    and node.arg_key == "columns"
+325                    else node,
+326                )
+327                return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
+328            return super().values_sql(expression)
 
    
 
 
@@ -1145,6 +1224,26 @@ from adding quotes to the column by using the identify argument whe
    + +
    + +
    + + def + settag_sql(self, expression: sqlglot.expressions.SetTag) -> str: + + + +
    + + 
    330        def settag_sql(self, expression: exp.SetTag) -> str:
+331            action = "UNSET" if expression.args.get("unset") else "SET"
+332            return f"{action} TAG {self.expressions(expression)}"
+
    + + + +
    @@ -1157,31 +1256,31 @@ from adding quotes to the column by using the identify argument whe
    - 
    298        def select_sql(self, expression: exp.Select) -> str:
-299            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
-300            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
-301            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
-302            generating the SQL.
-303
-304            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
-305            expression. This might not be true in a case where the same column name can be sourced from another table that can
-306            properly quote but should be true in most cases.
-307            """
-308            values_expressions = expression.find_all(exp.Values)
-309            values_identifiers = set(
-310                flatten(
-311                    v.args.get("alias", exp.Alias()).args.get("columns", [])
-312                    for v in values_expressions
-313                )
-314            )
-315            if values_identifiers:
-316                expression = expression.transform(
-317                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
-318                    if isinstance(node, exp.Identifier) and node in values_identifiers
-319                    else node,
-320                )
-321                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
-322            return super().select_sql(expression)
+            
    334        def select_sql(self, expression: exp.Select) -> str:
+335            """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
+336            that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
+337            to unquote a column that we prevent users from adding quotes to the column by using the `identify` argument when
+338            generating the SQL.
+339
+340            Note: We make an assumption that any columns referenced in a VALUES expression should be unquoted throughout the
+341            expression. This might not be true in a case where the same column name can be sourced from another table that can
+342            properly quote but should be true in most cases.
+343            """
+344            values_expressions = expression.find_all(exp.Values)
+345            values_identifiers = set(
+346                flatten(
+347                    v.args.get("alias", exp.Alias()).args.get("columns", [])
+348                    for v in values_expressions
+349                )
+350            )
+351            if values_identifiers:
+352                expression = expression.transform(
+353                    lambda node: exp.Identifier(**{**node.args, "quoted": False})
+354                    if isinstance(node, exp.Identifier) and node in values_identifiers
+355                    else node,
+356                )
+357                return self.no_identify(lambda: super(self.__class__, self).select_sql(expression))
+358            return super().select_sql(expression)
 
    
 
 
@@ -1208,12 +1307,12 @@ properly quote but should be true in most cases.
    - 
    324        def describe_sql(self, expression: exp.Describe) -> str:
-325            # Default to table if kind is unknown
-326            kind_value = expression.args.get("kind") or "TABLE"
-327            kind = f" {kind_value}" if kind_value else ""
-328            this = f" {self.sql(expression, 'this')}"
-329            return f"DESCRIBE{kind}{this}"
+            
    360        def describe_sql(self, expression: exp.Describe) -> str:
+361            # Default to table if kind is unknown
+362            kind_value = expression.args.get("kind") or "TABLE"
+363            kind = f" {kind_value}" if kind_value else ""
+364            this = f" {self.sql(expression, 'this')}"
+365            return f"DESCRIBE{kind}{this}"
 
    
 
 
@@ -1231,14 +1330,14 @@ properly quote but should be true in most cases.
    - 
    331        def generatedasidentitycolumnconstraint_sql(
-332            self, expression: exp.GeneratedAsIdentityColumnConstraint
-333        ) -> str:
-334            start = expression.args.get("start")
-335            start = f" START {start}" if start else ""
-336            increment = expression.args.get("increment")
-337            increment = f" INCREMENT {increment}" if increment else ""
-338            return f"AUTOINCREMENT{start}{increment}"
+            
    367        def generatedasidentitycolumnconstraint_sql(
+368            self, expression: exp.GeneratedAsIdentityColumnConstraint
+369        ) -> str:
+370            start = expression.args.get("start")
+371            start = f" START {start}" if start else ""
+372            increment = expression.args.get("increment")
+373            increment = f" INCREMENT {increment}" if increment else ""
+374            return f"AUTOINCREMENT{start}{increment}"
 
    
 
 
@@ -1397,6 +1496,7 @@ properly quote but should be true in most cases.
    
                 
    currentdate_sql
    
                 
    collate_sql
    
                 
    command_sql
    
+                
    comment_sql
    
                 
    transaction_sql
    
                 
    commit_sql
    
                 
    rollback_sql
    
@@ -1411,6 +1511,7 @@ properly quote but should be true in most cases.
    
                 
    intdiv_sql
    
                 
    dpipe_sql
    
                 
    div_sql
    
+                
    overlaps_sql
    
                 
    distance_sql
    
                 
    dot_sql
    
                 
    eq_sql
    
diff --git a/docs/sqlglot/dialects/spark.html b/docs/sqlglot/dialects/spark.html
index 91f4f4f..e9c0f4e 100644
--- a/docs/sqlglot/dialects/spark.html
+++ b/docs/sqlglot/dialects/spark.html
@@ -863,6 +863,7 @@ Default: True
                 
    currentdate_sql
    
                 
    collate_sql
    
                 
    command_sql
    
+                
    comment_sql
    
                 
    transaction_sql
    
                 
    commit_sql
    
                 
    rollback_sql
    
@@ -877,6 +878,7 @@ Default: True
                 
    intdiv_sql
    
                 
    dpipe_sql
    
                 
    div_sql
    
+                
    overlaps_sql
    
                 
    distance_sql
    
                 
    dot_sql
    
                 
    eq_sql
    
diff --git a/docs/sqlglot/dialects/sqlite.html b/docs/sqlglot/dialects/sqlite.html
index bf6fd13..5cb5e01 100644
--- a/docs/sqlglot/dialects/sqlite.html
+++ b/docs/sqlglot/dialects/sqlite.html
@@ -656,6 +656,7 @@ Default: True
                 
    currentdate_sql
    
                 
    collate_sql
    
                 
    command_sql
    
+                
    comment_sql
    
                 
    commit_sql
    
                 
    rollback_sql
    
                 
    altercolumn_sql
    
@@ -669,6 +670,7 @@ Default: True
                 
    intdiv_sql
    
                 
    dpipe_sql
    
                 
    div_sql
    
+                
    overlaps_sql
    
                 
    distance_sql
    
                 
    dot_sql
    
                 
    eq_sql
    
diff --git a/docs/sqlglot/dialects/starrocks.html b/docs/sqlglot/dialects/starrocks.html
index 74bde1e..aa3f9ca 100644
--- a/docs/sqlglot/dialects/starrocks.html
+++ b/docs/sqlglot/dialects/starrocks.html
@@ -390,6 +390,7 @@ Default: True
                 
    currentdate_sql
    
                 
    collate_sql
    
                 
    command_sql
    
+                
    comment_sql
    
                 
    transaction_sql
    
                 
    commit_sql
    
                 
    rollback_sql
    
@@ -404,6 +405,7 @@ Default: True
                 
    intdiv_sql
    
                 
    dpipe_sql
    
                 
    div_sql
    
+                
    overlaps_sql
    
                 
    distance_sql
    
                 
    dot_sql
    
                 
    eq_sql
    
diff --git a/docs/sqlglot/dialects/tableau.html b/docs/sqlglot/dialects/tableau.html
index e665d42..72df320 100644
--- a/docs/sqlglot/dialects/tableau.html
+++ b/docs/sqlglot/dialects/tableau.html
@@ -381,6 +381,7 @@ Default: True
                 
    currentdate_sql
    
                 
    collate_sql
    
                 
    command_sql
    
+                
    comment_sql
    
                 
    transaction_sql
    
                 
    commit_sql
    
                 
    rollback_sql
    
@@ -395,6 +396,7 @@ Default: True
                 
    intdiv_sql
    
                 
    dpipe_sql
    
                 
    div_sql
    
+                
    overlaps_sql
    
                 
    distance_sql
    
                 
    dot_sql
    
                 
    eq_sql
    
diff --git a/docs/sqlglot/dialects/teradata.html b/docs/sqlglot/dialects/teradata.html
index 9854606..95ac875 100644
--- a/docs/sqlglot/dialects/teradata.html
+++ b/docs/sqlglot/dialects/teradata.html
@@ -60,6 +60,9 @@
                                     
  • 
                                             datatype_sql
                                     
    • 
+                                    
  • 
+                                            rangen_sql
+                                    
    • 
                             
 
                         
@@ -165,69 +168,86 @@
      74
  75        FUNCTION_PARSERS = {
  76            **parser.Parser.FUNCTION_PARSERS,  # type: ignore
- 77            "TRANSLATE": lambda self: self._parse_translate(self.STRICT_CAST),
- 78        }
- 79
- 80        def _parse_translate(self, strict: bool) -> exp.Expression:
- 81            this = self._parse_conjunction()
- 82
- 83            if not self._match(TokenType.USING):
- 84                self.raise_error("Expected USING in TRANSLATE")
- 85
- 86            if self._match_texts(self.CHARSET_TRANSLATORS):
- 87                charset_split = self._prev.text.split("_TO_")
- 88                to = self.expression(exp.CharacterSet, this=charset_split[1])
- 89            else:
- 90                self.raise_error("Expected a character set translator after USING in TRANSLATE")
- 91
- 92            return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
- 93
- 94        # FROM before SET in Teradata UPDATE syntax
- 95        # 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
- 96        def _parse_update(self) -> exp.Expression:
- 97            return self.expression(
- 98                exp.Update,
- 99                **{  # type: ignore
-100                    "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS),
-101                    "from": self._parse_from(),
-102                    "expressions": self._match(TokenType.SET)
-103                    and self._parse_csv(self._parse_equality),
-104                    "where": self._parse_where(),
-105                },
-106            )
-107
-108    class Generator(generator.Generator):
-109        TYPE_MAPPING = {
-110            **generator.Generator.TYPE_MAPPING,  # type: ignore
-111            exp.DataType.Type.GEOMETRY: "ST_GEOMETRY",
-112        }
-113
-114        PROPERTIES_LOCATION = {
-115            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-116            exp.PartitionedByProperty: exp.Properties.Location.POST_INDEX,
-117            exp.VolatilityProperty: exp.Properties.Location.POST_CREATE,
-118        }
-119
-120        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
-121            return f"PARTITION BY {self.sql(expression, 'this')}"
-122
-123        # FROM before SET in Teradata UPDATE syntax
-124        # 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
-125        def update_sql(self, expression: exp.Update) -> str:
-126            this = self.sql(expression, "this")
-127            from_sql = self.sql(expression, "from")
-128            set_sql = self.expressions(expression, flat=True)
-129            where_sql = self.sql(expression, "where")
-130            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
-131            return self.prepend_ctes(expression, sql)
-132
-133        def mod_sql(self, expression: exp.Mod) -> str:
-134            return self.binary(expression, "MOD")
-135
-136        def datatype_sql(self, expression: exp.DataType) -> str:
-137            type_sql = super().datatype_sql(expression)
-138            prefix_sql = expression.args.get("prefix")
-139            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
+ 77            "RANGE_N": lambda self: self._parse_rangen(),
+ 78            "TRANSLATE": lambda self: self._parse_translate(self.STRICT_CAST),
+ 79        }
+ 80
+ 81        def _parse_translate(self, strict: bool) -> exp.Expression:
+ 82            this = self._parse_conjunction()
+ 83
+ 84            if not self._match(TokenType.USING):
+ 85                self.raise_error("Expected USING in TRANSLATE")
+ 86
+ 87            if self._match_texts(self.CHARSET_TRANSLATORS):
+ 88                charset_split = self._prev.text.split("_TO_")
+ 89                to = self.expression(exp.CharacterSet, this=charset_split[1])
+ 90            else:
+ 91                self.raise_error("Expected a character set translator after USING in TRANSLATE")
+ 92
+ 93            return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
+ 94
+ 95        # FROM before SET in Teradata UPDATE syntax
+ 96        # 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
+ 97        def _parse_update(self) -> exp.Expression:
+ 98            return self.expression(
+ 99                exp.Update,
+100                **{  # type: ignore
+101                    "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS),
+102                    "from": self._parse_from(),
+103                    "expressions": self._match(TokenType.SET)
+104                    and self._parse_csv(self._parse_equality),
+105                    "where": self._parse_where(),
+106                },
+107            )
+108
+109        def _parse_rangen(self):
+110            this = self._parse_id_var()
+111            self._match(TokenType.BETWEEN)
+112
+113            expressions = self._parse_csv(self._parse_conjunction)
+114            each = self._match_text_seq("EACH") and self._parse_conjunction()
+115
+116            return self.expression(exp.RangeN, this=this, expressions=expressions, each=each)
+117
+118    class Generator(generator.Generator):
+119        TYPE_MAPPING = {
+120            **generator.Generator.TYPE_MAPPING,  # type: ignore
+121            exp.DataType.Type.GEOMETRY: "ST_GEOMETRY",
+122        }
+123
+124        PROPERTIES_LOCATION = {
+125            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+126            exp.PartitionedByProperty: exp.Properties.Location.POST_INDEX,
+127        }
+128
+129        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
+130            return f"PARTITION BY {self.sql(expression, 'this')}"
+131
+132        # FROM before SET in Teradata UPDATE syntax
+133        # 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
+134        def update_sql(self, expression: exp.Update) -> str:
+135            this = self.sql(expression, "this")
+136            from_sql = self.sql(expression, "from")
+137            set_sql = self.expressions(expression, flat=True)
+138            where_sql = self.sql(expression, "where")
+139            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
+140            return self.prepend_ctes(expression, sql)
+141
+142        def mod_sql(self, expression: exp.Mod) -> str:
+143            return self.binary(expression, "MOD")
+144
+145        def datatype_sql(self, expression: exp.DataType) -> str:
+146            type_sql = super().datatype_sql(expression)
+147            prefix_sql = expression.args.get("prefix")
+148            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
+149
+150        def rangen_sql(self, expression: exp.RangeN) -> str:
+151            this = self.sql(expression, "this")
+152            expressions_sql = self.expressions(expression)
+153            each_sql = self.sql(expression, "each")
+154            each_sql = f" EACH {each_sql}" if each_sql else ""
+155
+156            return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})"
    @@ -312,69 +332,86 @@     75 76 FUNCTION_PARSERS = { 77 **parser.Parser.FUNCTION_PARSERS, # type: ignore - 78 "TRANSLATE": lambda self: self._parse_translate(self.STRICT_CAST), - 79 } - 80 - 81 def _parse_translate(self, strict: bool) -> exp.Expression: - 82 this = self._parse_conjunction() - 83 - 84 if not self._match(TokenType.USING): - 85 self.raise_error("Expected USING in TRANSLATE") - 86 - 87 if self._match_texts(self.CHARSET_TRANSLATORS): - 88 charset_split = self._prev.text.split("_TO_") - 89 to = self.expression(exp.CharacterSet, this=charset_split[1]) - 90 else: - 91 self.raise_error("Expected a character set translator after USING in TRANSLATE") - 92 - 93 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) - 94 - 95 # FROM before SET in Teradata UPDATE syntax - 96 # 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 - 97 def _parse_update(self) -> exp.Expression: - 98 return self.expression( - 99 exp.Update, -100 **{ # type: ignore -101 "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS), -102 "from": self._parse_from(), -103 "expressions": self._match(TokenType.SET) -104 and self._parse_csv(self._parse_equality), -105 "where": self._parse_where(), -106 }, -107 ) -108 -109 class Generator(generator.Generator): -110 TYPE_MAPPING = { -111 **generator.Generator.TYPE_MAPPING, # type: ignore -112 exp.DataType.Type.GEOMETRY: "ST_GEOMETRY", -113 } -114 -115 PROPERTIES_LOCATION = { -116 **generator.Generator.PROPERTIES_LOCATION, # type: ignore -117 exp.PartitionedByProperty: exp.Properties.Location.POST_INDEX, -118 exp.VolatilityProperty: exp.Properties.Location.POST_CREATE, -119 } -120 -121 def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str: -122 return f"PARTITION BY {self.sql(expression, 'this')}" -123 -124 # FROM before SET in Teradata UPDATE syntax -125 # 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 -126 def update_sql(self, expression: exp.Update) -> str: -127 this = self.sql(expression, "this") -128 from_sql = self.sql(expression, "from") -129 set_sql = self.expressions(expression, flat=True) -130 where_sql = self.sql(expression, "where") -131 sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}" -132 return self.prepend_ctes(expression, sql) -133 -134 def mod_sql(self, expression: exp.Mod) -> str: -135 return self.binary(expression, "MOD") -136 -137 def datatype_sql(self, expression: exp.DataType) -> str: -138 type_sql = super().datatype_sql(expression) -139 prefix_sql = expression.args.get("prefix") -140 return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql + 78 "RANGE_N": lambda self: self._parse_rangen(), + 79 "TRANSLATE": lambda self: self._parse_translate(self.STRICT_CAST), + 80 } + 81 + 82 def _parse_translate(self, strict: bool) -> exp.Expression: + 83 this = self._parse_conjunction() + 84 + 85 if not self._match(TokenType.USING): + 86 self.raise_error("Expected USING in TRANSLATE") + 87 + 88 if self._match_texts(self.CHARSET_TRANSLATORS): + 89 charset_split = self._prev.text.split("_TO_") + 90 to = self.expression(exp.CharacterSet, this=charset_split[1]) + 91 else: + 92 self.raise_error("Expected a character set translator after USING in TRANSLATE") + 93 + 94 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) + 95 + 96 # FROM before SET in Teradata UPDATE syntax + 97 # 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 + 98 def _parse_update(self) -> exp.Expression: + 99 return self.expression( +100 exp.Update, +101 **{ # type: ignore +102 "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS), +103 "from": self._parse_from(), +104 "expressions": self._match(TokenType.SET) +105 and self._parse_csv(self._parse_equality), +106 "where": self._parse_where(), +107 }, +108 ) +109 +110 def _parse_rangen(self): +111 this = self._parse_id_var() +112 self._match(TokenType.BETWEEN) +113 +114 expressions = self._parse_csv(self._parse_conjunction) +115 each = self._match_text_seq("EACH") and self._parse_conjunction() +116 +117 return self.expression(exp.RangeN, this=this, expressions=expressions, each=each) +118 +119 class Generator(generator.Generator): +120 TYPE_MAPPING = { +121 **generator.Generator.TYPE_MAPPING, # type: ignore +122 exp.DataType.Type.GEOMETRY: "ST_GEOMETRY", +123 } +124 +125 PROPERTIES_LOCATION = { +126 **generator.Generator.PROPERTIES_LOCATION, # type: ignore +127 exp.PartitionedByProperty: exp.Properties.Location.POST_INDEX, +128 } +129 +130 def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str: +131 return f"PARTITION BY {self.sql(expression, 'this')}" +132 +133 # FROM before SET in Teradata UPDATE syntax +134 # 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 +135 def update_sql(self, expression: exp.Update) -> str: +136 this = self.sql(expression, "this") +137 from_sql = self.sql(expression, "from") +138 set_sql = self.expressions(expression, flat=True) +139 where_sql = self.sql(expression, "where") +140 sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}" +141 return self.prepend_ctes(expression, sql) +142 +143 def mod_sql(self, expression: exp.Mod) -> str: +144 return self.binary(expression, "MOD") +145 +146 def datatype_sql(self, expression: exp.DataType) -> str: +147 type_sql = super().datatype_sql(expression) +148 prefix_sql = expression.args.get("prefix") +149 return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql +150 +151 def rangen_sql(self, expression: exp.RangeN) -> str: +152 this = self.sql(expression, "this") +153 expressions_sql = self.expressions(expression) +154 each_sql = self.sql(expression, "each") +155 each_sql = f" EACH {each_sql}" if each_sql else "" +156 +157 return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})" @@ -502,36 +539,46 @@ 75 76 FUNCTION_PARSERS = { 77 **parser.Parser.FUNCTION_PARSERS, # type: ignore - 78 "TRANSLATE": lambda self: self._parse_translate(self.STRICT_CAST), - 79 } - 80 - 81 def _parse_translate(self, strict: bool) -> exp.Expression: - 82 this = self._parse_conjunction() - 83 - 84 if not self._match(TokenType.USING): - 85 self.raise_error("Expected USING in TRANSLATE") - 86 - 87 if self._match_texts(self.CHARSET_TRANSLATORS): - 88 charset_split = self._prev.text.split("_TO_") - 89 to = self.expression(exp.CharacterSet, this=charset_split[1]) - 90 else: - 91 self.raise_error("Expected a character set translator after USING in TRANSLATE") - 92 - 93 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) - 94 - 95 # FROM before SET in Teradata UPDATE syntax - 96 # 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 - 97 def _parse_update(self) -> exp.Expression: - 98 return self.expression( - 99 exp.Update, -100 **{ # type: ignore -101 "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS), -102 "from": self._parse_from(), -103 "expressions": self._match(TokenType.SET) -104 and self._parse_csv(self._parse_equality), -105 "where": self._parse_where(), -106 }, -107 ) + 78 "RANGE_N": lambda self: self._parse_rangen(), + 79 "TRANSLATE": lambda self: self._parse_translate(self.STRICT_CAST), + 80 } + 81 + 82 def _parse_translate(self, strict: bool) -> exp.Expression: + 83 this = self._parse_conjunction() + 84 + 85 if not self._match(TokenType.USING): + 86 self.raise_error("Expected USING in TRANSLATE") + 87 + 88 if self._match_texts(self.CHARSET_TRANSLATORS): + 89 charset_split = self._prev.text.split("_TO_") + 90 to = self.expression(exp.CharacterSet, this=charset_split[1]) + 91 else: + 92 self.raise_error("Expected a character set translator after USING in TRANSLATE") + 93 + 94 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) + 95 + 96 # FROM before SET in Teradata UPDATE syntax + 97 # 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 + 98 def _parse_update(self) -> exp.Expression: + 99 return self.expression( +100 exp.Update, +101 **{ # type: ignore +102 "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS), +103 "from": self._parse_from(), +104 "expressions": self._match(TokenType.SET) +105 and self._parse_csv(self._parse_equality), +106 "where": self._parse_where(), +107 }, +108 ) +109 +110 def _parse_rangen(self): +111 this = self._parse_id_var() +112 self._match(TokenType.BETWEEN) +113 +114 expressions = self._parse_csv(self._parse_conjunction) +115 each = self._match_text_seq("EACH") and self._parse_conjunction() +116 +117 return self.expression(exp.RangeN, this=this, expressions=expressions, each=each) @@ -588,38 +635,45 @@ Default: "nulls_are_small" - 
    109    class Generator(generator.Generator):
-110        TYPE_MAPPING = {
-111            **generator.Generator.TYPE_MAPPING,  # type: ignore
-112            exp.DataType.Type.GEOMETRY: "ST_GEOMETRY",
-113        }
-114
-115        PROPERTIES_LOCATION = {
-116            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
-117            exp.PartitionedByProperty: exp.Properties.Location.POST_INDEX,
-118            exp.VolatilityProperty: exp.Properties.Location.POST_CREATE,
-119        }
-120
-121        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
-122            return f"PARTITION BY {self.sql(expression, 'this')}"
-123
-124        # FROM before SET in Teradata UPDATE syntax
-125        # 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
-126        def update_sql(self, expression: exp.Update) -> str:
-127            this = self.sql(expression, "this")
-128            from_sql = self.sql(expression, "from")
-129            set_sql = self.expressions(expression, flat=True)
-130            where_sql = self.sql(expression, "where")
-131            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
-132            return self.prepend_ctes(expression, sql)
-133
-134        def mod_sql(self, expression: exp.Mod) -> str:
-135            return self.binary(expression, "MOD")
-136
-137        def datatype_sql(self, expression: exp.DataType) -> str:
-138            type_sql = super().datatype_sql(expression)
-139            prefix_sql = expression.args.get("prefix")
-140            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
+            
    119    class Generator(generator.Generator):
+120        TYPE_MAPPING = {
+121            **generator.Generator.TYPE_MAPPING,  # type: ignore
+122            exp.DataType.Type.GEOMETRY: "ST_GEOMETRY",
+123        }
+124
+125        PROPERTIES_LOCATION = {
+126            **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
+127            exp.PartitionedByProperty: exp.Properties.Location.POST_INDEX,
+128        }
+129
+130        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
+131            return f"PARTITION BY {self.sql(expression, 'this')}"
+132
+133        # FROM before SET in Teradata UPDATE syntax
+134        # 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
+135        def update_sql(self, expression: exp.Update) -> str:
+136            this = self.sql(expression, "this")
+137            from_sql = self.sql(expression, "from")
+138            set_sql = self.expressions(expression, flat=True)
+139            where_sql = self.sql(expression, "where")
+140            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
+141            return self.prepend_ctes(expression, sql)
+142
+143        def mod_sql(self, expression: exp.Mod) -> str:
+144            return self.binary(expression, "MOD")
+145
+146        def datatype_sql(self, expression: exp.DataType) -> str:
+147            type_sql = super().datatype_sql(expression)
+148            prefix_sql = expression.args.get("prefix")
+149            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
+150
+151        def rangen_sql(self, expression: exp.RangeN) -> str:
+152            this = self.sql(expression, "this")
+153            expressions_sql = self.expressions(expression)
+154            each_sql = self.sql(expression, "each")
+155            each_sql = f" EACH {each_sql}" if each_sql else ""
+156
+157            return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})"
 
    
 
 
@@ -679,8 +733,8 @@ Default: True
    - 
    121        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
-122            return f"PARTITION BY {self.sql(expression, 'this')}"
+            
    130        def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
+131            return f"PARTITION BY {self.sql(expression, 'this')}"
 
    
 
 
@@ -698,13 +752,13 @@ Default: True
    - 
    126        def update_sql(self, expression: exp.Update) -> str:
-127            this = self.sql(expression, "this")
-128            from_sql = self.sql(expression, "from")
-129            set_sql = self.expressions(expression, flat=True)
-130            where_sql = self.sql(expression, "where")
-131            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
-132            return self.prepend_ctes(expression, sql)
+            
    135        def update_sql(self, expression: exp.Update) -> str:
+136            this = self.sql(expression, "this")
+137            from_sql = self.sql(expression, "from")
+138            set_sql = self.expressions(expression, flat=True)
+139            where_sql = self.sql(expression, "where")
+140            sql = f"UPDATE {this}{from_sql} SET {set_sql}{where_sql}"
+141            return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -722,8 +776,8 @@ Default: True
    - 
    134        def mod_sql(self, expression: exp.Mod) -> str:
-135            return self.binary(expression, "MOD")
+            
    143        def mod_sql(self, expression: exp.Mod) -> str:
+144            return self.binary(expression, "MOD")
 
    
 
 
@@ -741,10 +795,34 @@ Default: True
    - 
    137        def datatype_sql(self, expression: exp.DataType) -> str:
-138            type_sql = super().datatype_sql(expression)
-139            prefix_sql = expression.args.get("prefix")
-140            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
+            
    146        def datatype_sql(self, expression: exp.DataType) -> str:
+147            type_sql = super().datatype_sql(expression)
+148            prefix_sql = expression.args.get("prefix")
+149            return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
+
    
+
+
+    
+
+
    +
    + +
    + + def + rangen_sql(self, expression: sqlglot.expressions.RangeN) -> str: + + + +
    + + 
    151        def rangen_sql(self, expression: exp.RangeN) -> str:
+152            this = self.sql(expression, "this")
+153            expressions_sql = self.expressions(expression)
+154            each_sql = self.sql(expression, "each")
+155            each_sql = f" EACH {each_sql}" if each_sql else ""
+156
+157            return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})"
    @@ -907,6 +985,7 @@ Default: True
    currentdate_sql
    collate_sql
    command_sql
    +
    comment_sql
    transaction_sql
    commit_sql
    rollback_sql
    @@ -921,6 +1000,7 @@ Default: True
    intdiv_sql
    dpipe_sql
    div_sql
    +
    overlaps_sql
    distance_sql
    dot_sql
    eq_sql
    diff --git a/docs/sqlglot/dialects/trino.html b/docs/sqlglot/dialects/trino.html index 957ddc5..2a04e23 100644 --- a/docs/sqlglot/dialects/trino.html +++ b/docs/sqlglot/dialects/trino.html @@ -358,6 +358,7 @@ Default: True
    currentdate_sql
    collate_sql
    command_sql
    +
    comment_sql
    commit_sql
    rollback_sql
    altercolumn_sql
    @@ -371,6 +372,7 @@ Default: True
    intdiv_sql
    dpipe_sql
    div_sql
    +
    overlaps_sql
    distance_sql
    dot_sql
    eq_sql
    diff --git a/docs/sqlglot/dialects/tsql.html b/docs/sqlglot/dialects/tsql.html index d469f16..54ef095 100644 --- a/docs/sqlglot/dialects/tsql.html +++ b/docs/sqlglot/dialects/tsql.html @@ -1509,6 +1509,7 @@ Default: True
    currentdate_sql
    collate_sql
    command_sql
    +
    comment_sql
    transaction_sql
    commit_sql
    rollback_sql
    @@ -1523,6 +1524,7 @@ Default: True
    intdiv_sql
    dpipe_sql
    div_sql
    +
    overlaps_sql
    distance_sql
    dot_sql
    eq_sql
    diff --git a/docs/sqlglot/executor/python.html b/docs/sqlglot/executor/python.html index 9b67f01..d1e2d1c 100644 --- a/docs/sqlglot/executor/python.html +++ b/docs/sqlglot/executor/python.html @@ -1867,6 +1867,7 @@ Default: True
    currentdate_sql
    collate_sql
    command_sql
    +
    comment_sql
    transaction_sql
    commit_sql
    rollback_sql
    @@ -1881,6 +1882,7 @@ Default: True
    intdiv_sql
    dpipe_sql
    div_sql
    +
    overlaps_sql
    distance_sql
    dot_sql
    eq_sql
    diff --git a/docs/sqlglot/expressions.html b/docs/sqlglot/expressions.html index adb9af8..84543d1 100644 --- a/docs/sqlglot/expressions.html +++ b/docs/sqlglot/expressions.html @@ -95,6 +95,9 @@
  • parent_select
    • +
  • + root +
  • walk
    • @@ -313,6 +316,18 @@
    + +
  • + SetTag +
      +
    + +
    • +
  • + Comment +
      +
    +
  • ColumnConstraint @@ -1549,6 +1564,12 @@
    +
    • +
  • + Overlaps +
      +
    +
  • Dot @@ -1891,6 +1912,12 @@
    +
    • +
  • + ArrayJoin +
      +
    +
  • ArraySize @@ -2419,6 +2446,12 @@
    +
    • +
  • + RangeN +
      +
    +
  • ReadCSV @@ -2896,4816 +2929,4849 @@ SQL expressions, such as sqlglot.expressions.select< 35if t.TYPE_CHECKING: 36 from sqlglot.dialects.dialect import DialectType 37 - 38 - 39class _Expression(type): - 40 def __new__(cls, clsname, bases, attrs): - 41 klass = super().__new__(cls, clsname, bases, attrs) - 42 - 43 # When an Expression class is created, its key is automatically set to be - 44 # the lowercase version of the class' name. - 45 klass.key = clsname.lower() - 46 - 47 # This is so that docstrings are not inherited in pdoc - 48 klass.__doc__ = klass.__doc__ or "" - 49 - 50 return klass + 38E = t.TypeVar("E", bound="Expression") + 39 + 40 + 41class _Expression(type): + 42 def __new__(cls, clsname, bases, attrs): + 43 klass = super().__new__(cls, clsname, bases, attrs) + 44 + 45 # When an Expression class is created, its key is automatically set to be + 46 # the lowercase version of the class' name. + 47 klass.key = clsname.lower() + 48 + 49 # This is so that docstrings are not inherited in pdoc + 50 klass.__doc__ = klass.__doc__ or "" 51 - 52 - 53class Expression(metaclass=_Expression): - 54 """ - 55 The base class for all expressions in a syntax tree. Each Expression encapsulates any necessary - 56 context, such as its child expressions, their names (arg keys), and whether a given child expression - 57 is optional or not. - 58 - 59 Attributes: - 60 key: a unique key for each class in the Expression hierarchy. This is useful for hashing - 61 and representing expressions as strings. - 62 arg_types: determines what arguments (child nodes) are supported by an expression. It - 63 maps arg keys to booleans that indicate whether the corresponding args are optional. - 64 - 65 Example: - 66 >>> class Foo(Expression): - 67 ... arg_types = {"this": True, "expression": False} - 68 - 69 The above definition informs us that Foo is an Expression that requires an argument called - 70 "this" and may also optionally receive an argument called "expression". - 71 - 72 Args: - 73 args: a mapping used for retrieving the arguments of an expression, given their arg keys. - 74 parent: a reference to the parent expression (or None, in case of root expressions). - 75 arg_key: the arg key an expression is associated with, i.e. the name its parent expression - 76 uses to refer to it. - 77 comments: a list of comments that are associated with a given expression. This is used in - 78 order to preserve comments when transpiling SQL code. - 79 _type: the `sqlglot.expressions.DataType` type of an expression. This is inferred by the - 80 optimizer, in order to enable some transformations that require type information. - 81 """ - 82 - 83 key = "expression" - 84 arg_types = {"this": True} - 85 __slots__ = ("args", "parent", "arg_key", "comments", "_type", "_meta") - 86 - 87 def __init__(self, **args: t.Any): - 88 self.args: t.Dict[str, t.Any] = args - 89 self.parent: t.Optional[Expression] = None - 90 self.arg_key: t.Optional[str] = None - 91 self.comments: t.Optional[t.List[str]] = None - 92 self._type: t.Optional[DataType] = None - 93 self._meta: t.Optional[t.Dict[str, t.Any]] = None - 94 - 95 for arg_key, value in self.args.items(): - 96 self._set_parent(arg_key, value) - 97 - 98 def __eq__(self, other) -> bool: - 99 return type(self) is type(other) and _norm_args(self) == _norm_args(other) - 100 - 101 def __hash__(self) -> int: - 102 return hash( - 103 ( - 104 self.key, - 105 tuple( - 106 (k, tuple(v) if isinstance(v, list) else v) for k, v in _norm_args(self).items() - 107 ), - 108 ) - 109 ) - 110 - 111 @property - 112 def this(self): - 113 """ - 114 Retrieves the argument with key "this". - 115 """ - 116 return self.args.get("this") - 117 - 118 @property - 119 def expression(self): - 120 """ - 121 Retrieves the argument with key "expression". - 122 """ - 123 return self.args.get("expression") - 124 - 125 @property - 126 def expressions(self): - 127 """ - 128 Retrieves the argument with key "expressions". - 129 """ - 130 return self.args.get("expressions") or [] - 131 - 132 def text(self, key) -> str: - 133 """ - 134 Returns a textual representation of the argument corresponding to "key". This can only be used - 135 for args that are strings or leaf Expression instances, such as identifiers and literals. - 136 """ - 137 field = self.args.get(key) - 138 if isinstance(field, str): - 139 return field - 140 if isinstance(field, (Identifier, Literal, Var)): - 141 return field.this - 142 if isinstance(field, (Star, Null)): - 143 return field.name - 144 return "" - 145 - 146 @property - 147 def is_string(self) -> bool: - 148 """ - 149 Checks whether a Literal expression is a string. - 150 """ - 151 return isinstance(self, Literal) and self.args["is_string"] - 152 - 153 @property - 154 def is_number(self) -> bool: - 155 """ - 156 Checks whether a Literal expression is a number. - 157 """ - 158 return isinstance(self, Literal) and not self.args["is_string"] - 159 - 160 @property - 161 def is_int(self) -> bool: - 162 """ - 163 Checks whether a Literal expression is an integer. - 164 """ - 165 if self.is_number: - 166 try: - 167 int(self.name) - 168 return True - 169 except ValueError: - 170 pass - 171 return False - 172 - 173 @property - 174 def is_star(self) -> bool: - 175 """Checks whether an expression is a star.""" - 176 return isinstance(self, Star) or (isinstance(self, Column) and isinstance(self.this, Star)) - 177 - 178 @property - 179 def alias(self) -> str: - 180 """ - 181 Returns the alias of the expression, or an empty string if it's not aliased. - 182 """ - 183 if isinstance(self.args.get("alias"), TableAlias): - 184 return self.args["alias"].name - 185 return self.text("alias") - 186 - 187 @property - 188 def name(self) -> str: - 189 return self.text("this") - 190 - 191 @property - 192 def alias_or_name(self): - 193 return self.alias or self.name - 194 - 195 @property - 196 def output_name(self): - 197 """ - 198 Name of the output column if this expression is a selection. - 199 - 200 If the Expression has no output name, an empty string is returned. + 52 return klass + 53 + 54 + 55class Expression(metaclass=_Expression): + 56 """ + 57 The base class for all expressions in a syntax tree. Each Expression encapsulates any necessary + 58 context, such as its child expressions, their names (arg keys), and whether a given child expression + 59 is optional or not. + 60 + 61 Attributes: + 62 key: a unique key for each class in the Expression hierarchy. This is useful for hashing + 63 and representing expressions as strings. + 64 arg_types: determines what arguments (child nodes) are supported by an expression. It + 65 maps arg keys to booleans that indicate whether the corresponding args are optional. + 66 + 67 Example: + 68 >>> class Foo(Expression): + 69 ... arg_types = {"this": True, "expression": False} + 70 + 71 The above definition informs us that Foo is an Expression that requires an argument called + 72 "this" and may also optionally receive an argument called "expression". + 73 + 74 Args: + 75 args: a mapping used for retrieving the arguments of an expression, given their arg keys. + 76 parent: a reference to the parent expression (or None, in case of root expressions). + 77 arg_key: the arg key an expression is associated with, i.e. the name its parent expression + 78 uses to refer to it. + 79 comments: a list of comments that are associated with a given expression. This is used in + 80 order to preserve comments when transpiling SQL code. + 81 _type: the `sqlglot.expressions.DataType` type of an expression. This is inferred by the + 82 optimizer, in order to enable some transformations that require type information. + 83 """ + 84 + 85 key = "expression" + 86 arg_types = {"this": True} + 87 __slots__ = ("args", "parent", "arg_key", "comments", "_type", "_meta") + 88 + 89 def __init__(self, **args: t.Any): + 90 self.args: t.Dict[str, t.Any] = args + 91 self.parent: t.Optional[Expression] = None + 92 self.arg_key: t.Optional[str] = None + 93 self.comments: t.Optional[t.List[str]] = None + 94 self._type: t.Optional[DataType] = None + 95 self._meta: t.Optional[t.Dict[str, t.Any]] = None + 96 + 97 for arg_key, value in self.args.items(): + 98 self._set_parent(arg_key, value) + 99 + 100 def __eq__(self, other) -> bool: + 101 return type(self) is type(other) and _norm_args(self) == _norm_args(other) + 102 + 103 def __hash__(self) -> int: + 104 return hash( + 105 ( + 106 self.key, + 107 tuple( + 108 (k, tuple(v) if isinstance(v, list) else v) for k, v in _norm_args(self).items() + 109 ), + 110 ) + 111 ) + 112 + 113 @property + 114 def this(self): + 115 """ + 116 Retrieves the argument with key "this". + 117 """ + 118 return self.args.get("this") + 119 + 120 @property + 121 def expression(self): + 122 """ + 123 Retrieves the argument with key "expression". + 124 """ + 125 return self.args.get("expression") + 126 + 127 @property + 128 def expressions(self): + 129 """ + 130 Retrieves the argument with key "expressions". + 131 """ + 132 return self.args.get("expressions") or [] + 133 + 134 def text(self, key) -> str: + 135 """ + 136 Returns a textual representation of the argument corresponding to "key". This can only be used + 137 for args that are strings or leaf Expression instances, such as identifiers and literals. + 138 """ + 139 field = self.args.get(key) + 140 if isinstance(field, str): + 141 return field + 142 if isinstance(field, (Identifier, Literal, Var)): + 143 return field.this + 144 if isinstance(field, (Star, Null)): + 145 return field.name + 146 return "" + 147 + 148 @property + 149 def is_string(self) -> bool: + 150 """ + 151 Checks whether a Literal expression is a string. + 152 """ + 153 return isinstance(self, Literal) and self.args["is_string"] + 154 + 155 @property + 156 def is_number(self) -> bool: + 157 """ + 158 Checks whether a Literal expression is a number. + 159 """ + 160 return isinstance(self, Literal) and not self.args["is_string"] + 161 + 162 @property + 163 def is_int(self) -> bool: + 164 """ + 165 Checks whether a Literal expression is an integer. + 166 """ + 167 if self.is_number: + 168 try: + 169 int(self.name) + 170 return True + 171 except ValueError: + 172 pass + 173 return False + 174 + 175 @property + 176 def is_star(self) -> bool: + 177 """Checks whether an expression is a star.""" + 178 return isinstance(self, Star) or (isinstance(self, Column) and isinstance(self.this, Star)) + 179 + 180 @property + 181 def alias(self) -> str: + 182 """ + 183 Returns the alias of the expression, or an empty string if it's not aliased. + 184 """ + 185 if isinstance(self.args.get("alias"), TableAlias): + 186 return self.args["alias"].name + 187 return self.text("alias") + 188 + 189 @property + 190 def name(self) -> str: + 191 return self.text("this") + 192 + 193 @property + 194 def alias_or_name(self): + 195 return self.alias or self.name + 196 + 197 @property + 198 def output_name(self): + 199 """ + 200 Name of the output column if this expression is a selection. 201 - 202 Example: - 203 >>> from sqlglot import parse_one - 204 >>> parse_one("SELECT a").expressions[0].output_name - 205 'a' - 206 >>> parse_one("SELECT b AS c").expressions[0].output_name - 207 'c' - 208 >>> parse_one("SELECT 1 + 2").expressions[0].output_name - 209 '' - 210 """ - 211 return "" - 212 - 213 @property - 214 def type(self) -> t.Optional[DataType]: - 215 return self._type - 216 - 217 @type.setter - 218 def type(self, dtype: t.Optional[DataType | DataType.Type | str]) -> None: - 219 if dtype and not isinstance(dtype, DataType): - 220 dtype = DataType.build(dtype) - 221 self._type = dtype # type: ignore - 222 - 223 @property - 224 def meta(self) -> t.Dict[str, t.Any]: - 225 if self._meta is None: - 226 self._meta = {} - 227 return self._meta - 228 - 229 def __deepcopy__(self, memo): - 230 copy = self.__class__(**deepcopy(self.args)) - 231 if self.comments is not None: - 232 copy.comments = deepcopy(self.comments) - 233 - 234 if self._type is not None: - 235 copy._type = self._type.copy() - 236 - 237 if self._meta is not None: - 238 copy._meta = deepcopy(self._meta) - 239 - 240 return copy + 202 If the Expression has no output name, an empty string is returned. + 203 + 204 Example: + 205 >>> from sqlglot import parse_one + 206 >>> parse_one("SELECT a").expressions[0].output_name + 207 'a' + 208 >>> parse_one("SELECT b AS c").expressions[0].output_name + 209 'c' + 210 >>> parse_one("SELECT 1 + 2").expressions[0].output_name + 211 '' + 212 """ + 213 return "" + 214 + 215 @property + 216 def type(self) -> t.Optional[DataType]: + 217 return self._type + 218 + 219 @type.setter + 220 def type(self, dtype: t.Optional[DataType | DataType.Type | str]) -> None: + 221 if dtype and not isinstance(dtype, DataType): + 222 dtype = DataType.build(dtype) + 223 self._type = dtype # type: ignore + 224 + 225 @property + 226 def meta(self) -> t.Dict[str, t.Any]: + 227 if self._meta is None: + 228 self._meta = {} + 229 return self._meta + 230 + 231 def __deepcopy__(self, memo): + 232 copy = self.__class__(**deepcopy(self.args)) + 233 if self.comments is not None: + 234 copy.comments = deepcopy(self.comments) + 235 + 236 if self._type is not None: + 237 copy._type = self._type.copy() + 238 + 239 if self._meta is not None: + 240 copy._meta = deepcopy(self._meta) 241 - 242 def copy(self): - 243 """ - 244 Returns a deep copy of the expression. - 245 """ - 246 new = deepcopy(self) - 247 new.parent = self.parent - 248 for item, parent, _ in new.bfs(): - 249 if isinstance(item, Expression) and parent: - 250 item.parent = parent - 251 return new - 252 - 253 def append(self, arg_key, value): - 254 """ - 255 Appends value to arg_key if it's a list or sets it as a new list. - 256 - 257 Args: - 258 arg_key (str): name of the list expression arg - 259 value (Any): value to append to the list - 260 """ - 261 if not isinstance(self.args.get(arg_key), list): - 262 self.args[arg_key] = [] - 263 self.args[arg_key].append(value) - 264 self._set_parent(arg_key, value) - 265 - 266 def set(self, arg_key, value): - 267 """ - 268 Sets `arg_key` to `value`. - 269 - 270 Args: - 271 arg_key (str): name of the expression arg. - 272 value: value to set the arg to. - 273 """ - 274 self.args[arg_key] = value - 275 self._set_parent(arg_key, value) - 276 - 277 def _set_parent(self, arg_key, value): - 278 if isinstance(value, Expression): - 279 value.parent = self - 280 value.arg_key = arg_key - 281 elif isinstance(value, list): - 282 for v in value: - 283 if isinstance(v, Expression): - 284 v.parent = self - 285 v.arg_key = arg_key - 286 - 287 @property - 288 def depth(self): - 289 """ - 290 Returns the depth of this tree. - 291 """ - 292 if self.parent: - 293 return self.parent.depth + 1 - 294 return 0 - 295 - 296 def find(self, *expression_types, bfs=True): - 297 """ - 298 Returns the first node in this tree which matches at least one of - 299 the specified types. - 300 - 301 Args: - 302 expression_types (type): the expression type(s) to match. - 303 - 304 Returns: - 305 The node which matches the criteria or None if no such node was found. - 306 """ - 307 return next(self.find_all(*expression_types, bfs=bfs), None) - 308 - 309 def find_all(self, *expression_types, bfs=True): - 310 """ - 311 Returns a generator object which visits all nodes in this tree and only - 312 yields those that match at least one of the specified expression types. - 313 - 314 Args: - 315 expression_types (type): the expression type(s) to match. - 316 - 317 Returns: - 318 The generator object. - 319 """ - 320 for expression, _, _ in self.walk(bfs=bfs): - 321 if isinstance(expression, expression_types): - 322 yield expression - 323 - 324 def find_ancestor(self, *expression_types): - 325 """ - 326 Returns a nearest parent matching expression_types. - 327 - 328 Args: - 329 expression_types (type): the expression type(s) to match. - 330 - 331 Returns: - 332 The parent node. - 333 """ - 334 ancestor = self.parent - 335 while ancestor and not isinstance(ancestor, expression_types): - 336 ancestor = ancestor.parent - 337 return ancestor - 338 - 339 @property - 340 def parent_select(self): - 341 """ - 342 Returns the parent select statement. - 343 """ - 344 return self.find_ancestor(Select) - 345 - 346 def walk(self, bfs=True, prune=None): - 347 """ - 348 Returns a generator object which visits all nodes in this tree. - 349 - 350 Args: - 351 bfs (bool): if set to True the BFS traversal order will be applied, - 352 otherwise the DFS traversal will be used instead. - 353 prune ((node, parent, arg_key) -> bool): callable that returns True if - 354 the generator should stop traversing this branch of the tree. - 355 - 356 Returns: - 357 the generator object. - 358 """ - 359 if bfs: - 360 yield from self.bfs(prune=prune) - 361 else: - 362 yield from self.dfs(prune=prune) - 363 - 364 def dfs(self, parent=None, key=None, prune=None): - 365 """ - 366 Returns a generator object which visits all nodes in this tree in - 367 the DFS (Depth-first) order. - 368 - 369 Returns: - 370 The generator object. - 371 """ - 372 parent = parent or self.parent - 373 yield self, parent, key - 374 if prune and prune(self, parent, key): - 375 return - 376 - 377 for k, v in self.args.items(): - 378 for node in ensure_collection(v): - 379 if isinstance(node, Expression): - 380 yield from node.dfs(self, k, prune) - 381 - 382 def bfs(self, prune=None): - 383 """ - 384 Returns a generator object which visits all nodes in this tree in - 385 the BFS (Breadth-first) order. - 386 - 387 Returns: - 388 The generator object. - 389 """ - 390 queue = deque([(self, self.parent, None)]) - 391 - 392 while queue: - 393 item, parent, key = queue.popleft() - 394 - 395 yield item, parent, key - 396 if prune and prune(item, parent, key): - 397 continue + 242 return copy + 243 + 244 def copy(self): + 245 """ + 246 Returns a deep copy of the expression. + 247 """ + 248 new = deepcopy(self) + 249 new.parent = self.parent + 250 for item, parent, _ in new.bfs(): + 251 if isinstance(item, Expression) and parent: + 252 item.parent = parent + 253 return new + 254 + 255 def append(self, arg_key, value): + 256 """ + 257 Appends value to arg_key if it's a list or sets it as a new list. + 258 + 259 Args: + 260 arg_key (str): name of the list expression arg + 261 value (Any): value to append to the list + 262 """ + 263 if not isinstance(self.args.get(arg_key), list): + 264 self.args[arg_key] = [] + 265 self.args[arg_key].append(value) + 266 self._set_parent(arg_key, value) + 267 + 268 def set(self, arg_key, value): + 269 """ + 270 Sets `arg_key` to `value`. + 271 + 272 Args: + 273 arg_key (str): name of the expression arg. + 274 value: value to set the arg to. + 275 """ + 276 self.args[arg_key] = value + 277 self._set_parent(arg_key, value) + 278 + 279 def _set_parent(self, arg_key, value): + 280 if isinstance(value, Expression): + 281 value.parent = self + 282 value.arg_key = arg_key + 283 elif isinstance(value, list): + 284 for v in value: + 285 if isinstance(v, Expression): + 286 v.parent = self + 287 v.arg_key = arg_key + 288 + 289 @property + 290 def depth(self): + 291 """ + 292 Returns the depth of this tree. + 293 """ + 294 if self.parent: + 295 return self.parent.depth + 1 + 296 return 0 + 297 + 298 def find(self, *expression_types: t.Type[E], bfs=True) -> E | None: + 299 """ + 300 Returns the first node in this tree which matches at least one of + 301 the specified types. + 302 + 303 Args: + 304 expression_types (type): the expression type(s) to match. + 305 + 306 Returns: + 307 The node which matches the criteria or None if no such node was found. + 308 """ + 309 return next(self.find_all(*expression_types, bfs=bfs), None) + 310 + 311 def find_all(self, *expression_types: t.Type[E], bfs=True) -> t.Iterator[E]: + 312 """ + 313 Returns a generator object which visits all nodes in this tree and only + 314 yields those that match at least one of the specified expression types. + 315 + 316 Args: + 317 expression_types (type): the expression type(s) to match. + 318 + 319 Returns: + 320 The generator object. + 321 """ + 322 for expression, _, _ in self.walk(bfs=bfs): + 323 if isinstance(expression, expression_types): + 324 yield expression + 325 + 326 def find_ancestor(self, *expression_types: t.Type[E]) -> E | None: + 327 """ + 328 Returns a nearest parent matching expression_types. + 329 + 330 Args: + 331 expression_types (type): the expression type(s) to match. + 332 + 333 Returns: + 334 The parent node. + 335 """ + 336 ancestor = self.parent + 337 while ancestor and not isinstance(ancestor, expression_types): + 338 ancestor = ancestor.parent + 339 # ignore type because mypy doesn't know that we're checking type in the loop + 340 return ancestor # type: ignore[return-value] + 341 + 342 @property + 343 def parent_select(self): + 344 """ + 345 Returns the parent select statement. + 346 """ + 347 return self.find_ancestor(Select) + 348 + 349 def root(self) -> Expression: + 350 """ + 351 Returns the root expression of this tree. + 352 """ + 353 expression = self + 354 while expression.parent: + 355 expression = expression.parent + 356 return expression + 357 + 358 def walk(self, bfs=True, prune=None): + 359 """ + 360 Returns a generator object which visits all nodes in this tree. + 361 + 362 Args: + 363 bfs (bool): if set to True the BFS traversal order will be applied, + 364 otherwise the DFS traversal will be used instead. + 365 prune ((node, parent, arg_key) -> bool): callable that returns True if + 366 the generator should stop traversing this branch of the tree. + 367 + 368 Returns: + 369 the generator object. + 370 """ + 371 if bfs: + 372 yield from self.bfs(prune=prune) + 373 else: + 374 yield from self.dfs(prune=prune) + 375 + 376 def dfs(self, parent=None, key=None, prune=None): + 377 """ + 378 Returns a generator object which visits all nodes in this tree in + 379 the DFS (Depth-first) order. + 380 + 381 Returns: + 382 The generator object. + 383 """ + 384 parent = parent or self.parent + 385 yield self, parent, key + 386 if prune and prune(self, parent, key): + 387 return + 388 + 389 for k, v in self.args.items(): + 390 for node in ensure_collection(v): + 391 if isinstance(node, Expression): + 392 yield from node.dfs(self, k, prune) + 393 + 394 def bfs(self, prune=None): + 395 """ + 396 Returns a generator object which visits all nodes in this tree in + 397 the BFS (Breadth-first) order. 398 - 399 if isinstance(item, Expression): - 400 for k, v in item.args.items(): - 401 for node in ensure_collection(v): - 402 if isinstance(node, Expression): - 403 queue.append((node, item, k)) - 404 - 405 def unnest(self): - 406 """ - 407 Returns the first non parenthesis child or self. - 408 """ - 409 expression = self - 410 while isinstance(expression, Paren): - 411 expression = expression.this - 412 return expression - 413 - 414 def unalias(self): - 415 """ - 416 Returns the inner expression if this is an Alias. - 417 """ - 418 if isinstance(self, Alias): - 419 return self.this - 420 return self - 421 - 422 def unnest_operands(self): - 423 """ - 424 Returns unnested operands as a tuple. - 425 """ - 426 return tuple(arg.unnest() for arg in self.args.values() if arg) - 427 - 428 def flatten(self, unnest=True): - 429 """ - 430 Returns a generator which yields child nodes who's parents are the same class. - 431 - 432 A AND B AND C -> [A, B, C] - 433 """ - 434 for node, _, _ in self.dfs(prune=lambda n, p, *_: p and not isinstance(n, self.__class__)): - 435 if not isinstance(node, self.__class__): - 436 yield node.unnest() if unnest else node - 437 - 438 def __str__(self): - 439 return self.sql() - 440 - 441 def __repr__(self): - 442 return self._to_s() + 399 Returns: + 400 The generator object. + 401 """ + 402 queue = deque([(self, self.parent, None)]) + 403 + 404 while queue: + 405 item, parent, key = queue.popleft() + 406 + 407 yield item, parent, key + 408 if prune and prune(item, parent, key): + 409 continue + 410 + 411 if isinstance(item, Expression): + 412 for k, v in item.args.items(): + 413 for node in ensure_collection(v): + 414 if isinstance(node, Expression): + 415 queue.append((node, item, k)) + 416 + 417 def unnest(self): + 418 """ + 419 Returns the first non parenthesis child or self. + 420 """ + 421 expression = self + 422 while isinstance(expression, Paren): + 423 expression = expression.this + 424 return expression + 425 + 426 def unalias(self): + 427 """ + 428 Returns the inner expression if this is an Alias. + 429 """ + 430 if isinstance(self, Alias): + 431 return self.this + 432 return self + 433 + 434 def unnest_operands(self): + 435 """ + 436 Returns unnested operands as a tuple. + 437 """ + 438 return tuple(arg.unnest() for arg in self.args.values() if arg) + 439 + 440 def flatten(self, unnest=True): + 441 """ + 442 Returns a generator which yields child nodes who's parents are the same class. 443 - 444 def sql(self, dialect: DialectType = None, **opts) -> str: - 445 """ - 446 Returns SQL string representation of this tree. - 447 - 448 Args: - 449 dialect: the dialect of the output SQL string (eg. "spark", "hive", "presto", "mysql"). - 450 opts: other `sqlglot.generator.Generator` options. - 451 - 452 Returns: - 453 The SQL string. - 454 """ - 455 from sqlglot.dialects import Dialect - 456 - 457 return Dialect.get_or_raise(dialect)().generate(self, **opts) - 458 - 459 def _to_s(self, hide_missing: bool = True, level: int = 0) -> str: - 460 indent = "" if not level else "\n" - 461 indent += "".join([" "] * level) - 462 left = f"({self.key.upper()} " + 444 A AND B AND C -> [A, B, C] + 445 """ + 446 for node, _, _ in self.dfs(prune=lambda n, p, *_: p and not isinstance(n, self.__class__)): + 447 if not isinstance(node, self.__class__): + 448 yield node.unnest() if unnest else node + 449 + 450 def __str__(self): + 451 return self.sql() + 452 + 453 def __repr__(self): + 454 return self._to_s() + 455 + 456 def sql(self, dialect: DialectType = None, **opts) -> str: + 457 """ + 458 Returns SQL string representation of this tree. + 459 + 460 Args: + 461 dialect: the dialect of the output SQL string (eg. "spark", "hive", "presto", "mysql"). + 462 opts: other `sqlglot.generator.Generator` options. 463 - 464 args: t.Dict[str, t.Any] = { - 465 k: ", ".join( - 466 v._to_s(hide_missing=hide_missing, level=level + 1) - 467 if hasattr(v, "_to_s") - 468 else str(v) - 469 for v in ensure_collection(vs) - 470 if v is not None - 471 ) - 472 for k, vs in self.args.items() - 473 } - 474 args["comments"] = self.comments - 475 args["type"] = self.type - 476 args = {k: v for k, v in args.items() if v or not hide_missing} - 477 - 478 right = ", ".join(f"{k}: {v}" for k, v in args.items()) - 479 right += ")" - 480 - 481 return indent + left + right - 482 - 483 def transform(self, fun, *args, copy=True, **kwargs): - 484 """ - 485 Recursively visits all tree nodes (excluding already transformed ones) - 486 and applies the given transformation function to each node. - 487 - 488 Args: - 489 fun (function): a function which takes a node as an argument and returns a - 490 new transformed node or the same node without modifications. If the function - 491 returns None, then the corresponding node will be removed from the syntax tree. - 492 copy (bool): if set to True a new tree instance is constructed, otherwise the tree is - 493 modified in place. + 464 Returns: + 465 The SQL string. + 466 """ + 467 from sqlglot.dialects import Dialect + 468 + 469 return Dialect.get_or_raise(dialect)().generate(self, **opts) + 470 + 471 def _to_s(self, hide_missing: bool = True, level: int = 0) -> str: + 472 indent = "" if not level else "\n" + 473 indent += "".join([" "] * level) + 474 left = f"({self.key.upper()} " + 475 + 476 args: t.Dict[str, t.Any] = { + 477 k: ", ".join( + 478 v._to_s(hide_missing=hide_missing, level=level + 1) + 479 if hasattr(v, "_to_s") + 480 else str(v) + 481 for v in ensure_collection(vs) + 482 if v is not None + 483 ) + 484 for k, vs in self.args.items() + 485 } + 486 args["comments"] = self.comments + 487 args["type"] = self.type + 488 args = {k: v for k, v in args.items() if v or not hide_missing} + 489 + 490 right = ", ".join(f"{k}: {v}" for k, v in args.items()) + 491 right += ")" + 492 + 493 return indent + left + right 494 - 495 Returns: - 496 The transformed tree. - 497 """ - 498 node = self.copy() if copy else self - 499 new_node = fun(node, *args, **kwargs) - 500 - 501 if new_node is None or not isinstance(new_node, Expression): - 502 return new_node - 503 if new_node is not node: - 504 new_node.parent = node.parent - 505 return new_node + 495 def transform(self, fun, *args, copy=True, **kwargs): + 496 """ + 497 Recursively visits all tree nodes (excluding already transformed ones) + 498 and applies the given transformation function to each node. + 499 + 500 Args: + 501 fun (function): a function which takes a node as an argument and returns a + 502 new transformed node or the same node without modifications. If the function + 503 returns None, then the corresponding node will be removed from the syntax tree. + 504 copy (bool): if set to True a new tree instance is constructed, otherwise the tree is + 505 modified in place. 506 - 507 replace_children(new_node, lambda child: child.transform(fun, *args, copy=False, **kwargs)) - 508 return new_node - 509 - 510 def replace(self, expression): - 511 """ - 512 Swap out this expression with a new expression. - 513 - 514 For example:: - 515 - 516 >>> tree = Select().select("x").from_("tbl") - 517 >>> tree.find(Column).replace(Column(this="y")) - 518 (COLUMN this: y) - 519 >>> tree.sql() - 520 'SELECT y FROM tbl' + 507 Returns: + 508 The transformed tree. + 509 """ + 510 node = self.copy() if copy else self + 511 new_node = fun(node, *args, **kwargs) + 512 + 513 if new_node is None or not isinstance(new_node, Expression): + 514 return new_node + 515 if new_node is not node: + 516 new_node.parent = node.parent + 517 return new_node + 518 + 519 replace_children(new_node, lambda child: child.transform(fun, *args, copy=False, **kwargs)) + 520 return new_node 521 - 522 Args: - 523 expression (Expression|None): new node - 524 - 525 Returns: - 526 The new expression or expressions. - 527 """ - 528 if not self.parent: - 529 return expression - 530 - 531 parent = self.parent - 532 self.parent = None + 522 def replace(self, expression): + 523 """ + 524 Swap out this expression with a new expression. + 525 + 526 For example:: + 527 + 528 >>> tree = Select().select("x").from_("tbl") + 529 >>> tree.find(Column).replace(Column(this="y")) + 530 (COLUMN this: y) + 531 >>> tree.sql() + 532 'SELECT y FROM tbl' 533 - 534 replace_children(parent, lambda child: expression if child is self else child) - 535 return expression + 534 Args: + 535 expression (Expression|None): new node 536 - 537 def pop(self): - 538 """ - 539 Remove this expression from its AST. - 540 """ - 541 self.replace(None) + 537 Returns: + 538 The new expression or expressions. + 539 """ + 540 if not self.parent: + 541 return expression 542 - 543 def assert_is(self, type_): - 544 """ - 545 Assert that this `Expression` is an instance of `type_`. - 546 - 547 If it is NOT an instance of `type_`, this raises an assertion error. - 548 Otherwise, this returns this expression. - 549 - 550 Examples: - 551 This is useful for type security in chained expressions: - 552 - 553 >>> import sqlglot - 554 >>> sqlglot.parse_one("SELECT x from y").assert_is(Select).select("z").sql() - 555 'SELECT x, z FROM y' - 556 """ - 557 assert isinstance(self, type_) - 558 return self - 559 - 560 def error_messages(self, args: t.Optional[t.Sequence] = None) -> t.List[str]: - 561 """ - 562 Checks if this expression is valid (e.g. all mandatory args are set). - 563 - 564 Args: - 565 args: a sequence of values that were used to instantiate a Func expression. This is used - 566 to check that the provided arguments don't exceed the function argument limit. - 567 - 568 Returns: - 569 A list of error messages for all possible errors that were found. - 570 """ - 571 errors: t.List[str] = [] - 572 - 573 for k in self.args: - 574 if k not in self.arg_types: - 575 errors.append(f"Unexpected keyword: '{k}' for {self.__class__}") - 576 for k, mandatory in self.arg_types.items(): - 577 v = self.args.get(k) - 578 if mandatory and (v is None or (isinstance(v, list) and not v)): - 579 errors.append(f"Required keyword: '{k}' missing for {self.__class__}") - 580 - 581 if ( - 582 args - 583 and isinstance(self, Func) - 584 and len(args) > len(self.arg_types) - 585 and not self.is_var_len_args - 586 ): - 587 errors.append( - 588 f"The number of provided arguments ({len(args)}) is greater than " - 589 f"the maximum number of supported arguments ({len(self.arg_types)})" - 590 ) - 591 - 592 return errors - 593 - 594 def dump(self): - 595 """ - 596 Dump this Expression to a JSON-serializable dict. - 597 """ - 598 from sqlglot.serde import dump - 599 - 600 return dump(self) - 601 - 602 @classmethod - 603 def load(cls, obj): - 604 """ - 605 Load a dict (as returned by `Expression.dump`) into an Expression instance. - 606 """ - 607 from sqlglot.serde import load - 608 - 609 return load(obj) - 610 + 543 parent = self.parent + 544 self.parent = None + 545 + 546 replace_children(parent, lambda child: expression if child is self else child) + 547 return expression + 548 + 549 def pop(self): + 550 """ + 551 Remove this expression from its AST. + 552 """ + 553 self.replace(None) + 554 + 555 def assert_is(self, type_): + 556 """ + 557 Assert that this `Expression` is an instance of `type_`. + 558 + 559 If it is NOT an instance of `type_`, this raises an assertion error. + 560 Otherwise, this returns this expression. + 561 + 562 Examples: + 563 This is useful for type security in chained expressions: + 564 + 565 >>> import sqlglot + 566 >>> sqlglot.parse_one("SELECT x from y").assert_is(Select).select("z").sql() + 567 'SELECT x, z FROM y' + 568 """ + 569 assert isinstance(self, type_) + 570 return self + 571 + 572 def error_messages(self, args: t.Optional[t.Sequence] = None) -> t.List[str]: + 573 """ + 574 Checks if this expression is valid (e.g. all mandatory args are set). + 575 + 576 Args: + 577 args: a sequence of values that were used to instantiate a Func expression. This is used + 578 to check that the provided arguments don't exceed the function argument limit. + 579 + 580 Returns: + 581 A list of error messages for all possible errors that were found. + 582 """ + 583 errors: t.List[str] = [] + 584 + 585 for k in self.args: + 586 if k not in self.arg_types: + 587 errors.append(f"Unexpected keyword: '{k}' for {self.__class__}") + 588 for k, mandatory in self.arg_types.items(): + 589 v = self.args.get(k) + 590 if mandatory and (v is None or (isinstance(v, list) and not v)): + 591 errors.append(f"Required keyword: '{k}' missing for {self.__class__}") + 592 + 593 if ( + 594 args + 595 and isinstance(self, Func) + 596 and len(args) > len(self.arg_types) + 597 and not self.is_var_len_args + 598 ): + 599 errors.append( + 600 f"The number of provided arguments ({len(args)}) is greater than " + 601 f"the maximum number of supported arguments ({len(self.arg_types)})" + 602 ) + 603 + 604 return errors + 605 + 606 def dump(self): + 607 """ + 608 Dump this Expression to a JSON-serializable dict. + 609 """ + 610 from sqlglot.serde import dump 611 - 612IntoType = t.Union[ - 613 str, - 614 t.Type[Expression], - 615 t.Collection[t.Union[str, t.Type[Expression]]], - 616] - 617 - 618 - 619class Condition(Expression): - 620 def and_(self, *expressions, dialect=None, **opts): - 621 """ - 622 AND this condition with one or multiple expressions. + 612 return dump(self) + 613 + 614 @classmethod + 615 def load(cls, obj): + 616 """ + 617 Load a dict (as returned by `Expression.dump`) into an Expression instance. + 618 """ + 619 from sqlglot.serde import load + 620 + 621 return load(obj) + 622 623 - 624 Example: - 625 >>> condition("x=1").and_("y=1").sql() - 626 'x = 1 AND y = 1' - 627 - 628 Args: - 629 *expressions (str | Expression): the SQL code strings to parse. - 630 If an `Expression` instance is passed, it will be used as-is. - 631 dialect (str): the dialect used to parse the input expression. - 632 opts (kwargs): other options to use to parse the input expressions. - 633 - 634 Returns: - 635 And: the new condition. - 636 """ - 637 return and_(self, *expressions, dialect=dialect, **opts) - 638 - 639 def or_(self, *expressions, dialect=None, **opts): - 640 """ - 641 OR this condition with one or multiple expressions. - 642 - 643 Example: - 644 >>> condition("x=1").or_("y=1").sql() - 645 'x = 1 OR y = 1' - 646 - 647 Args: - 648 *expressions (str | Expression): the SQL code strings to parse. - 649 If an `Expression` instance is passed, it will be used as-is. - 650 dialect (str): the dialect used to parse the input expression. - 651 opts (kwargs): other options to use to parse the input expressions. - 652 - 653 Returns: - 654 Or: the new condition. - 655 """ - 656 return or_(self, *expressions, dialect=dialect, **opts) - 657 - 658 def not_(self): - 659 """ - 660 Wrap this condition with NOT. - 661 - 662 Example: - 663 >>> condition("x=1").not_().sql() - 664 'NOT x = 1' - 665 - 666 Returns: - 667 Not: the new condition. - 668 """ - 669 return not_(self) - 670 - 671 - 672class Predicate(Condition): - 673 """Relationships like x = y, x > 1, x >= y.""" - 674 - 675 - 676class DerivedTable(Expression): - 677 @property - 678 def alias_column_names(self): - 679 table_alias = self.args.get("alias") - 680 if not table_alias: - 681 return [] - 682 column_list = table_alias.assert_is(TableAlias).args.get("columns") or [] - 683 return [c.name for c in column_list] - 684 - 685 @property - 686 def selects(self): - 687 alias = self.args.get("alias") - 688 - 689 if alias: - 690 return alias.columns - 691 return [] - 692 - 693 @property - 694 def named_selects(self): - 695 return [select.output_name for select in self.selects] + 624IntoType = t.Union[ + 625 str, + 626 t.Type[Expression], + 627 t.Collection[t.Union[str, t.Type[Expression]]], + 628] + 629 + 630 + 631class Condition(Expression): + 632 def and_(self, *expressions, dialect=None, **opts): + 633 """ + 634 AND this condition with one or multiple expressions. + 635 + 636 Example: + 637 >>> condition("x=1").and_("y=1").sql() + 638 'x = 1 AND y = 1' + 639 + 640 Args: + 641 *expressions (str | Expression): the SQL code strings to parse. + 642 If an `Expression` instance is passed, it will be used as-is. + 643 dialect (str): the dialect used to parse the input expression. + 644 opts (kwargs): other options to use to parse the input expressions. + 645 + 646 Returns: + 647 And: the new condition. + 648 """ + 649 return and_(self, *expressions, dialect=dialect, **opts) + 650 + 651 def or_(self, *expressions, dialect=None, **opts): + 652 """ + 653 OR this condition with one or multiple expressions. + 654 + 655 Example: + 656 >>> condition("x=1").or_("y=1").sql() + 657 'x = 1 OR y = 1' + 658 + 659 Args: + 660 *expressions (str | Expression): the SQL code strings to parse. + 661 If an `Expression` instance is passed, it will be used as-is. + 662 dialect (str): the dialect used to parse the input expression. + 663 opts (kwargs): other options to use to parse the input expressions. + 664 + 665 Returns: + 666 Or: the new condition. + 667 """ + 668 return or_(self, *expressions, dialect=dialect, **opts) + 669 + 670 def not_(self): + 671 """ + 672 Wrap this condition with NOT. + 673 + 674 Example: + 675 >>> condition("x=1").not_().sql() + 676 'NOT x = 1' + 677 + 678 Returns: + 679 Not: the new condition. + 680 """ + 681 return not_(self) + 682 + 683 + 684class Predicate(Condition): + 685 """Relationships like x = y, x > 1, x >= y.""" + 686 + 687 + 688class DerivedTable(Expression): + 689 @property + 690 def alias_column_names(self): + 691 table_alias = self.args.get("alias") + 692 if not table_alias: + 693 return [] + 694 column_list = table_alias.assert_is(TableAlias).args.get("columns") or [] + 695 return [c.name for c in column_list] 696 - 697 - 698class Unionable(Expression): - 699 def union(self, expression, distinct=True, dialect=None, **opts): - 700 """ - 701 Builds a UNION expression. - 702 - 703 Example: - 704 >>> import sqlglot - 705 >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql() - 706 'SELECT * FROM foo UNION SELECT * FROM bla' - 707 - 708 Args: - 709 expression (str | Expression): the SQL code string. - 710 If an `Expression` instance is passed, it will be used as-is. - 711 distinct (bool): set the DISTINCT flag if and only if this is true. - 712 dialect (str): the dialect used to parse the input expression. - 713 opts (kwargs): other options to use to parse the input expressions. - 714 Returns: - 715 Union: the Union expression. - 716 """ - 717 return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts) - 718 - 719 def intersect(self, expression, distinct=True, dialect=None, **opts): - 720 """ - 721 Builds an INTERSECT expression. - 722 - 723 Example: - 724 >>> import sqlglot - 725 >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql() - 726 'SELECT * FROM foo INTERSECT SELECT * FROM bla' - 727 - 728 Args: - 729 expression (str | Expression): the SQL code string. - 730 If an `Expression` instance is passed, it will be used as-is. - 731 distinct (bool): set the DISTINCT flag if and only if this is true. - 732 dialect (str): the dialect used to parse the input expression. - 733 opts (kwargs): other options to use to parse the input expressions. - 734 Returns: - 735 Intersect: the Intersect expression - 736 """ - 737 return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts) - 738 - 739 def except_(self, expression, distinct=True, dialect=None, **opts): - 740 """ - 741 Builds an EXCEPT expression. - 742 - 743 Example: - 744 >>> import sqlglot - 745 >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql() - 746 'SELECT * FROM foo EXCEPT SELECT * FROM bla' - 747 - 748 Args: - 749 expression (str | Expression): the SQL code string. - 750 If an `Expression` instance is passed, it will be used as-is. - 751 distinct (bool): set the DISTINCT flag if and only if this is true. - 752 dialect (str): the dialect used to parse the input expression. - 753 opts (kwargs): other options to use to parse the input expressions. - 754 Returns: - 755 Except: the Except expression - 756 """ - 757 return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts) - 758 + 697 @property + 698 def selects(self): + 699 alias = self.args.get("alias") + 700 + 701 if alias: + 702 return alias.columns + 703 return [] + 704 + 705 @property + 706 def named_selects(self): + 707 return [select.output_name for select in self.selects] + 708 + 709 + 710class Unionable(Expression): + 711 def union(self, expression, distinct=True, dialect=None, **opts): + 712 """ + 713 Builds a UNION expression. + 714 + 715 Example: + 716 >>> import sqlglot + 717 >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql() + 718 'SELECT * FROM foo UNION SELECT * FROM bla' + 719 + 720 Args: + 721 expression (str | Expression): the SQL code string. + 722 If an `Expression` instance is passed, it will be used as-is. + 723 distinct (bool): set the DISTINCT flag if and only if this is true. + 724 dialect (str): the dialect used to parse the input expression. + 725 opts (kwargs): other options to use to parse the input expressions. + 726 Returns: + 727 Union: the Union expression. + 728 """ + 729 return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts) + 730 + 731 def intersect(self, expression, distinct=True, dialect=None, **opts): + 732 """ + 733 Builds an INTERSECT expression. + 734 + 735 Example: + 736 >>> import sqlglot + 737 >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql() + 738 'SELECT * FROM foo INTERSECT SELECT * FROM bla' + 739 + 740 Args: + 741 expression (str | Expression): the SQL code string. + 742 If an `Expression` instance is passed, it will be used as-is. + 743 distinct (bool): set the DISTINCT flag if and only if this is true. + 744 dialect (str): the dialect used to parse the input expression. + 745 opts (kwargs): other options to use to parse the input expressions. + 746 Returns: + 747 Intersect: the Intersect expression + 748 """ + 749 return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts) + 750 + 751 def except_(self, expression, distinct=True, dialect=None, **opts): + 752 """ + 753 Builds an EXCEPT expression. + 754 + 755 Example: + 756 >>> import sqlglot + 757 >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql() + 758 'SELECT * FROM foo EXCEPT SELECT * FROM bla' 759 - 760class UDTF(DerivedTable, Unionable): - 761 pass - 762 - 763 - 764class Cache(Expression): - 765 arg_types = { - 766 "with": False, - 767 "this": True, - 768 "lazy": False, - 769 "options": False, - 770 "expression": False, - 771 } - 772 - 773 - 774class Uncache(Expression): - 775 arg_types = {"this": True, "exists": False} - 776 - 777 - 778class Create(Expression): - 779 arg_types = { - 780 "with": False, - 781 "this": True, - 782 "kind": True, - 783 "expression": False, - 784 "exists": False, - 785 "properties": False, - 786 "replace": False, - 787 "unique": False, - 788 "indexes": False, - 789 "no_schema_binding": False, - 790 "begin": False, - 791 } - 792 - 793 - 794class Describe(Expression): - 795 arg_types = {"this": True, "kind": False} - 796 - 797 - 798class Set(Expression): - 799 arg_types = {"expressions": True} - 800 - 801 - 802class SetItem(Expression): - 803 arg_types = { - 804 "this": False, - 805 "expressions": False, - 806 "kind": False, - 807 "collate": False, # MySQL SET NAMES statement - 808 "global": False, - 809 } + 760 Args: + 761 expression (str | Expression): the SQL code string. + 762 If an `Expression` instance is passed, it will be used as-is. + 763 distinct (bool): set the DISTINCT flag if and only if this is true. + 764 dialect (str): the dialect used to parse the input expression. + 765 opts (kwargs): other options to use to parse the input expressions. + 766 Returns: + 767 Except: the Except expression + 768 """ + 769 return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts) + 770 + 771 + 772class UDTF(DerivedTable, Unionable): + 773 pass + 774 + 775 + 776class Cache(Expression): + 777 arg_types = { + 778 "with": False, + 779 "this": True, + 780 "lazy": False, + 781 "options": False, + 782 "expression": False, + 783 } + 784 + 785 + 786class Uncache(Expression): + 787 arg_types = {"this": True, "exists": False} + 788 + 789 + 790class Create(Expression): + 791 arg_types = { + 792 "with": False, + 793 "this": True, + 794 "kind": True, + 795 "expression": False, + 796 "exists": False, + 797 "properties": False, + 798 "replace": False, + 799 "unique": False, + 800 "volatile": False, + 801 "indexes": False, + 802 "no_schema_binding": False, + 803 "begin": False, + 804 } + 805 + 806 + 807class Describe(Expression): + 808 arg_types = {"this": True, "kind": False} + 809 810 - 811 - 812class Show(Expression): - 813 arg_types = { - 814 "this": True, - 815 "target": False, - 816 "offset": False, - 817 "limit": False, - 818 "like": False, - 819 "where": False, - 820 "db": False, - 821 "full": False, - 822 "mutex": False, - 823 "query": False, - 824 "channel": False, - 825 "global": False, - 826 "log": False, - 827 "position": False, - 828 "types": False, - 829 } - 830 - 831 - 832class UserDefinedFunction(Expression): - 833 arg_types = {"this": True, "expressions": False, "wrapped": False} - 834 - 835 - 836class CharacterSet(Expression): - 837 arg_types = {"this": True, "default": False} - 838 - 839 - 840class With(Expression): - 841 arg_types = {"expressions": True, "recursive": False} - 842 - 843 @property - 844 def recursive(self) -> bool: - 845 return bool(self.args.get("recursive")) - 846 + 811class Set(Expression): + 812 arg_types = {"expressions": True} + 813 + 814 + 815class SetItem(Expression): + 816 arg_types = { + 817 "this": False, + 818 "expressions": False, + 819 "kind": False, + 820 "collate": False, # MySQL SET NAMES statement + 821 "global": False, + 822 } + 823 + 824 + 825class Show(Expression): + 826 arg_types = { + 827 "this": True, + 828 "target": False, + 829 "offset": False, + 830 "limit": False, + 831 "like": False, + 832 "where": False, + 833 "db": False, + 834 "full": False, + 835 "mutex": False, + 836 "query": False, + 837 "channel": False, + 838 "global": False, + 839 "log": False, + 840 "position": False, + 841 "types": False, + 842 } + 843 + 844 + 845class UserDefinedFunction(Expression): + 846 arg_types = {"this": True, "expressions": False, "wrapped": False} 847 - 848class WithinGroup(Expression): - 849 arg_types = {"this": True, "expression": False} - 850 + 848 + 849class CharacterSet(Expression): + 850 arg_types = {"this": True, "default": False} 851 - 852class CTE(DerivedTable): - 853 arg_types = {"this": True, "alias": True} - 854 + 852 + 853class With(Expression): + 854 arg_types = {"expressions": True, "recursive": False} 855 - 856class TableAlias(Expression): - 857 arg_types = {"this": False, "columns": False} - 858 - 859 @property - 860 def columns(self): - 861 return self.args.get("columns") or [] - 862 + 856 @property + 857 def recursive(self) -> bool: + 858 return bool(self.args.get("recursive")) + 859 + 860 + 861class WithinGroup(Expression): + 862 arg_types = {"this": True, "expression": False} 863 - 864class BitString(Condition): - 865 pass - 866 + 864 + 865class CTE(DerivedTable): + 866 arg_types = {"this": True, "alias": True} 867 - 868class HexString(Condition): - 869 pass - 870 + 868 + 869class TableAlias(Expression): + 870 arg_types = {"this": False, "columns": False} 871 - 872class ByteString(Condition): - 873 pass - 874 + 872 @property + 873 def columns(self): + 874 return self.args.get("columns") or [] 875 - 876class Column(Condition): - 877 arg_types = {"this": True, "table": False, "db": False, "catalog": False} - 878 - 879 @property - 880 def table(self) -> str: - 881 return self.text("table") - 882 - 883 @property - 884 def db(self) -> str: - 885 return self.text("db") - 886 - 887 @property - 888 def catalog(self) -> str: - 889 return self.text("catalog") - 890 - 891 @property - 892 def output_name(self) -> str: - 893 return self.name - 894 + 876 + 877class BitString(Condition): + 878 pass + 879 + 880 + 881class HexString(Condition): + 882 pass + 883 + 884 + 885class ByteString(Condition): + 886 pass + 887 + 888 + 889class Column(Condition): + 890 arg_types = {"this": True, "table": False, "db": False, "catalog": False, "join_mark": False} + 891 + 892 @property + 893 def table(self) -> str: + 894 return self.text("table") 895 - 896class ColumnDef(Expression): - 897 arg_types = { - 898 "this": True, - 899 "kind": False, - 900 "constraints": False, - 901 "exists": False, - 902 } + 896 @property + 897 def db(self) -> str: + 898 return self.text("db") + 899 + 900 @property + 901 def catalog(self) -> str: + 902 return self.text("catalog") 903 - 904 - 905class AlterColumn(Expression): - 906 arg_types = { - 907 "this": True, - 908 "dtype": False, - 909 "collate": False, - 910 "using": False, - 911 "default": False, - 912 "drop": False, - 913 } - 914 - 915 - 916class RenameTable(Expression): - 917 pass - 918 - 919 - 920class ColumnConstraint(Expression): - 921 arg_types = {"this": False, "kind": True} - 922 - 923 - 924class ColumnConstraintKind(Expression): - 925 pass - 926 + 904 @property + 905 def output_name(self) -> str: + 906 return self.name + 907 + 908 + 909class ColumnDef(Expression): + 910 arg_types = { + 911 "this": True, + 912 "kind": False, + 913 "constraints": False, + 914 "exists": False, + 915 } + 916 + 917 + 918class AlterColumn(Expression): + 919 arg_types = { + 920 "this": True, + 921 "dtype": False, + 922 "collate": False, + 923 "using": False, + 924 "default": False, + 925 "drop": False, + 926 } 927 - 928class AutoIncrementColumnConstraint(ColumnConstraintKind): - 929 pass - 930 + 928 + 929class RenameTable(Expression): + 930 pass 931 - 932class CaseSpecificColumnConstraint(ColumnConstraintKind): - 933 arg_types = {"not_": True} - 934 + 932 + 933class SetTag(Expression): + 934 arg_types = {"expressions": True, "unset": False} 935 - 936class CharacterSetColumnConstraint(ColumnConstraintKind): - 937 arg_types = {"this": True} - 938 + 936 + 937class Comment(Expression): + 938 arg_types = {"this": True, "kind": True, "expression": True, "exists": False} 939 - 940class CheckColumnConstraint(ColumnConstraintKind): - 941 pass - 942 + 940 + 941class ColumnConstraint(Expression): + 942 arg_types = {"this": False, "kind": True} 943 - 944class CollateColumnConstraint(ColumnConstraintKind): - 945 pass - 946 + 944 + 945class ColumnConstraintKind(Expression): + 946 pass 947 - 948class CommentColumnConstraint(ColumnConstraintKind): - 949 pass - 950 + 948 + 949class AutoIncrementColumnConstraint(ColumnConstraintKind): + 950 pass 951 - 952class CompressColumnConstraint(ColumnConstraintKind): - 953 pass - 954 + 952 + 953class CaseSpecificColumnConstraint(ColumnConstraintKind): + 954 arg_types = {"not_": True} 955 - 956class DateFormatColumnConstraint(ColumnConstraintKind): - 957 arg_types = {"this": True} - 958 + 956 + 957class CharacterSetColumnConstraint(ColumnConstraintKind): + 958 arg_types = {"this": True} 959 - 960class DefaultColumnConstraint(ColumnConstraintKind): - 961 pass - 962 + 960 + 961class CheckColumnConstraint(ColumnConstraintKind): + 962 pass 963 - 964class EncodeColumnConstraint(ColumnConstraintKind): - 965 pass - 966 + 964 + 965class CollateColumnConstraint(ColumnConstraintKind): + 966 pass 967 - 968class GeneratedAsIdentityColumnConstraint(ColumnConstraintKind): - 969 # this: True -> ALWAYS, this: False -> BY DEFAULT - 970 arg_types = { - 971 "this": False, - 972 "start": False, - 973 "increment": False, - 974 "minvalue": False, - 975 "maxvalue": False, - 976 "cycle": False, - 977 } - 978 + 968 + 969class CommentColumnConstraint(ColumnConstraintKind): + 970 pass + 971 + 972 + 973class CompressColumnConstraint(ColumnConstraintKind): + 974 pass + 975 + 976 + 977class DateFormatColumnConstraint(ColumnConstraintKind): + 978 arg_types = {"this": True} 979 - 980class InlineLengthColumnConstraint(ColumnConstraintKind): - 981 pass - 982 + 980 + 981class DefaultColumnConstraint(ColumnConstraintKind): + 982 pass 983 - 984class NotNullColumnConstraint(ColumnConstraintKind): - 985 arg_types = {"allow_null": False} - 986 + 984 + 985class EncodeColumnConstraint(ColumnConstraintKind): + 986 pass 987 - 988class PrimaryKeyColumnConstraint(ColumnConstraintKind): - 989 arg_types = {"desc": False} - 990 - 991 - 992class TitleColumnConstraint(ColumnConstraintKind): - 993 pass - 994 - 995 - 996class UniqueColumnConstraint(ColumnConstraintKind): - 997 arg_types: t.Dict[str, t.Any] = {} - 998 + 988 + 989class GeneratedAsIdentityColumnConstraint(ColumnConstraintKind): + 990 # this: True -> ALWAYS, this: False -> BY DEFAULT + 991 arg_types = { + 992 "this": False, + 993 "start": False, + 994 "increment": False, + 995 "minvalue": False, + 996 "maxvalue": False, + 997 "cycle": False, + 998 } 999 -1000class UppercaseColumnConstraint(ColumnConstraintKind): -1001 arg_types: t.Dict[str, t.Any] = {} -1002 +1000 +1001class InlineLengthColumnConstraint(ColumnConstraintKind): +1002 pass 1003 -1004class PathColumnConstraint(ColumnConstraintKind): -1005 pass -1006 +1004 +1005class NotNullColumnConstraint(ColumnConstraintKind): +1006 arg_types = {"allow_null": False} 1007 -1008class Constraint(Expression): -1009 arg_types = {"this": True, "expressions": True} -1010 +1008 +1009class PrimaryKeyColumnConstraint(ColumnConstraintKind): +1010 arg_types = {"desc": False} 1011 -1012class Delete(Expression): -1013 arg_types = {"with": False, "this": False, "using": False, "where": False} -1014 +1012 +1013class TitleColumnConstraint(ColumnConstraintKind): +1014 pass 1015 -1016class Drop(Expression): -1017 arg_types = { -1018 "this": False, -1019 "kind": False, -1020 "exists": False, -1021 "temporary": False, -1022 "materialized": False, -1023 "cascade": False, -1024 } -1025 -1026 -1027class Filter(Expression): -1028 arg_types = {"this": True, "expression": True} -1029 -1030 -1031class Check(Expression): -1032 pass -1033 -1034 -1035class Directory(Expression): -1036 # https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-dml-insert-overwrite-directory-hive.html -1037 arg_types = {"this": True, "local": False, "row_format": False} -1038 -1039 -1040class ForeignKey(Expression): -1041 arg_types = { -1042 "expressions": True, -1043 "reference": False, -1044 "delete": False, -1045 "update": False, -1046 } +1016 +1017class UniqueColumnConstraint(ColumnConstraintKind): +1018 arg_types: t.Dict[str, t.Any] = {} +1019 +1020 +1021class UppercaseColumnConstraint(ColumnConstraintKind): +1022 arg_types: t.Dict[str, t.Any] = {} +1023 +1024 +1025class PathColumnConstraint(ColumnConstraintKind): +1026 pass +1027 +1028 +1029class Constraint(Expression): +1030 arg_types = {"this": True, "expressions": True} +1031 +1032 +1033class Delete(Expression): +1034 arg_types = {"with": False, "this": False, "using": False, "where": False} +1035 +1036 +1037class Drop(Expression): +1038 arg_types = { +1039 "this": False, +1040 "kind": False, +1041 "exists": False, +1042 "temporary": False, +1043 "materialized": False, +1044 "cascade": False, +1045 } +1046 1047 -1048 -1049class PrimaryKey(Expression): -1050 arg_types = {"expressions": True, "options": False} +1048class Filter(Expression): +1049 arg_types = {"this": True, "expression": True} +1050 1051 -1052 -1053class Unique(Expression): -1054 arg_types = {"expressions": True} +1052class Check(Expression): +1053 pass +1054 1055 -1056 -1057# https://www.postgresql.org/docs/9.1/sql-selectinto.html -1058# https://docs.aws.amazon.com/redshift/latest/dg/r_SELECT_INTO.html#r_SELECT_INTO-examples -1059class Into(Expression): -1060 arg_types = {"this": True, "temporary": False, "unlogged": False} -1061 -1062 -1063class From(Expression): -1064 arg_types = {"expressions": True} -1065 -1066 -1067class Having(Expression): -1068 pass +1056class Directory(Expression): +1057 # https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-dml-insert-overwrite-directory-hive.html +1058 arg_types = {"this": True, "local": False, "row_format": False} +1059 +1060 +1061class ForeignKey(Expression): +1062 arg_types = { +1063 "expressions": True, +1064 "reference": False, +1065 "delete": False, +1066 "update": False, +1067 } +1068 1069 -1070 -1071class Hint(Expression): -1072 arg_types = {"expressions": True} +1070class PrimaryKey(Expression): +1071 arg_types = {"expressions": True, "options": False} +1072 1073 -1074 -1075class JoinHint(Expression): -1076 arg_types = {"this": True, "expressions": True} +1074class Unique(Expression): +1075 arg_types = {"expressions": True} +1076 1077 -1078 -1079class Identifier(Expression): -1080 arg_types = {"this": True, "quoted": False} -1081 -1082 @property -1083 def quoted(self): -1084 return bool(self.args.get("quoted")) -1085 -1086 def __eq__(self, other): -1087 return isinstance(other, self.__class__) and _norm_arg(self.this) == _norm_arg(other.this) -1088 -1089 def __hash__(self): -1090 return hash((self.key, self.this.lower())) +1078# https://www.postgresql.org/docs/9.1/sql-selectinto.html +1079# https://docs.aws.amazon.com/redshift/latest/dg/r_SELECT_INTO.html#r_SELECT_INTO-examples +1080class Into(Expression): +1081 arg_types = {"this": True, "temporary": False, "unlogged": False} +1082 +1083 +1084class From(Expression): +1085 arg_types = {"expressions": True} +1086 +1087 +1088class Having(Expression): +1089 pass +1090 1091 -1092 @property -1093 def output_name(self): -1094 return self.name +1092class Hint(Expression): +1093 arg_types = {"expressions": True} +1094 1095 -1096 -1097class Index(Expression): -1098 arg_types = { -1099 "this": False, -1100 "table": False, -1101 "where": False, -1102 "columns": False, -1103 "unique": False, -1104 "primary": False, -1105 "amp": False, # teradata -1106 } -1107 -1108 -1109class Insert(Expression): -1110 arg_types = { -1111 "with": False, -1112 "this": True, -1113 "expression": False, -1114 "overwrite": False, -1115 "exists": False, -1116 "partition": False, -1117 "alternative": False, -1118 } -1119 -1120 -1121# https://dev.mysql.com/doc/refman/8.0/en/charset-introducer.html -1122class Introducer(Expression): -1123 arg_types = {"this": True, "expression": True} -1124 -1125 -1126# national char, like n'utf8' -1127class National(Expression): -1128 pass +1096class JoinHint(Expression): +1097 arg_types = {"this": True, "expressions": True} +1098 +1099 +1100class Identifier(Expression): +1101 arg_types = {"this": True, "quoted": False} +1102 +1103 @property +1104 def quoted(self): +1105 return bool(self.args.get("quoted")) +1106 +1107 def __eq__(self, other): +1108 return isinstance(other, self.__class__) and _norm_arg(self.this) == _norm_arg(other.this) +1109 +1110 def __hash__(self): +1111 return hash((self.key, self.this.lower())) +1112 +1113 @property +1114 def output_name(self): +1115 return self.name +1116 +1117 +1118class Index(Expression): +1119 arg_types = { +1120 "this": False, +1121 "table": False, +1122 "where": False, +1123 "columns": False, +1124 "unique": False, +1125 "primary": False, +1126 "amp": False, # teradata +1127 } +1128 1129 -1130 -1131class LoadData(Expression): -1132 arg_types = { +1130class Insert(Expression): +1131 arg_types = { +1132 "with": False, 1133 "this": True, -1134 "local": False, +1134 "expression": False, 1135 "overwrite": False, -1136 "inpath": True, +1136 "exists": False, 1137 "partition": False, -1138 "input_format": False, -1139 "serde": False, -1140 } +1138 "alternative": False, +1139 } +1140 1141 -1142 -1143class Partition(Expression): -1144 arg_types = {"expressions": True} +1142# https://dev.mysql.com/doc/refman/8.0/en/charset-introducer.html +1143class Introducer(Expression): +1144 arg_types = {"this": True, "expression": True} 1145 1146 -1147class Fetch(Expression): -1148 arg_types = {"direction": False, "count": False} -1149 +1147# national char, like n'utf8' +1148class National(Expression): +1149 pass 1150 -1151class Group(Expression): -1152 arg_types = { -1153 "expressions": False, -1154 "grouping_sets": False, -1155 "cube": False, -1156 "rollup": False, -1157 } -1158 -1159 -1160class Lambda(Expression): -1161 arg_types = {"this": True, "expressions": True} +1151 +1152class LoadData(Expression): +1153 arg_types = { +1154 "this": True, +1155 "local": False, +1156 "overwrite": False, +1157 "inpath": True, +1158 "partition": False, +1159 "input_format": False, +1160 "serde": False, +1161 } 1162 1163 -1164class Limit(Expression): -1165 arg_types = {"this": False, "expression": True} +1164class Partition(Expression): +1165 arg_types = {"expressions": True} 1166 1167 -1168class Literal(Condition): -1169 arg_types = {"this": True, "is_string": True} +1168class Fetch(Expression): +1169 arg_types = {"direction": False, "count": False} 1170 -1171 def __eq__(self, other): -1172 return ( -1173 isinstance(other, Literal) -1174 and self.this == other.this -1175 and self.args["is_string"] == other.args["is_string"] -1176 ) -1177 -1178 def __hash__(self): -1179 return hash((self.key, self.this, self.args["is_string"])) +1171 +1172class Group(Expression): +1173 arg_types = { +1174 "expressions": False, +1175 "grouping_sets": False, +1176 "cube": False, +1177 "rollup": False, +1178 } +1179 1180 -1181 @classmethod -1182 def number(cls, number) -> Literal: -1183 return cls(this=str(number), is_string=False) +1181class Lambda(Expression): +1182 arg_types = {"this": True, "expressions": True} +1183 1184 -1185 @classmethod -1186 def string(cls, string) -> Literal: -1187 return cls(this=str(string), is_string=True) +1185class Limit(Expression): +1186 arg_types = {"this": False, "expression": True} +1187 1188 -1189 @property -1190 def output_name(self): -1191 return self.name -1192 -1193 -1194class Join(Expression): -1195 arg_types = { -1196 "this": True, -1197 "on": False, -1198 "side": False, -1199 "kind": False, -1200 "using": False, -1201 "natural": False, -1202 } -1203 -1204 @property -1205 def kind(self): -1206 return self.text("kind").upper() -1207 -1208 @property -1209 def side(self): -1210 return self.text("side").upper() -1211 -1212 @property -1213 def alias_or_name(self): -1214 return self.this.alias_or_name -1215 -1216 def on(self, *expressions, append=True, dialect=None, copy=True, **opts): -1217 """ -1218 Append to or set the ON expressions. -1219 -1220 Example: -1221 >>> import sqlglot -1222 >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql() -1223 'JOIN x ON y = 1' +1189class Literal(Condition): +1190 arg_types = {"this": True, "is_string": True} +1191 +1192 def __eq__(self, other): +1193 return ( +1194 isinstance(other, Literal) +1195 and self.this == other.this +1196 and self.args["is_string"] == other.args["is_string"] +1197 ) +1198 +1199 def __hash__(self): +1200 return hash((self.key, self.this, self.args["is_string"])) +1201 +1202 @classmethod +1203 def number(cls, number) -> Literal: +1204 return cls(this=str(number), is_string=False) +1205 +1206 @classmethod +1207 def string(cls, string) -> Literal: +1208 return cls(this=str(string), is_string=True) +1209 +1210 @property +1211 def output_name(self): +1212 return self.name +1213 +1214 +1215class Join(Expression): +1216 arg_types = { +1217 "this": True, +1218 "on": False, +1219 "side": False, +1220 "kind": False, +1221 "using": False, +1222 "natural": False, +1223 } 1224 -1225 Args: -1226 *expressions (str | Expression): the SQL code strings to parse. -1227 If an `Expression` instance is passed, it will be used as-is. -1228 Multiple expressions are combined with an AND operator. -1229 append (bool): if `True`, AND the new expressions to any existing expression. -1230 Otherwise, this resets the expression. -1231 dialect (str): the dialect used to parse the input expressions. -1232 copy (bool): if `False`, modify this expression instance in-place. -1233 opts (kwargs): other options to use to parse the input expressions. -1234 -1235 Returns: -1236 Join: the modified join expression. -1237 """ -1238 join = _apply_conjunction_builder( -1239 *expressions, -1240 instance=self, -1241 arg="on", -1242 append=append, -1243 dialect=dialect, -1244 copy=copy, -1245 **opts, -1246 ) -1247 -1248 if join.kind == "CROSS": -1249 join.set("kind", None) -1250 -1251 return join -1252 -1253 def using(self, *expressions, append=True, dialect=None, copy=True, **opts): -1254 """ -1255 Append to or set the USING expressions. -1256 -1257 Example: -1258 >>> import sqlglot -1259 >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql() -1260 'JOIN x USING (foo, bla)' -1261 -1262 Args: -1263 *expressions (str | Expression): the SQL code strings to parse. -1264 If an `Expression` instance is passed, it will be used as-is. -1265 append (bool): if `True`, concatenate the new expressions to the existing "using" list. -1266 Otherwise, this resets the expression. -1267 dialect (str): the dialect used to parse the input expressions. -1268 copy (bool): if `False`, modify this expression instance in-place. -1269 opts (kwargs): other options to use to parse the input expressions. -1270 -1271 Returns: -1272 Join: the modified join expression. -1273 """ -1274 join = _apply_list_builder( -1275 *expressions, -1276 instance=self, -1277 arg="using", -1278 append=append, -1279 dialect=dialect, -1280 copy=copy, -1281 **opts, -1282 ) -1283 -1284 if join.kind == "CROSS": -1285 join.set("kind", None) -1286 -1287 return join -1288 -1289 -1290class Lateral(UDTF): -1291 arg_types = {"this": True, "view": False, "outer": False, "alias": False} -1292 -1293 -1294class MatchRecognize(Expression): -1295 arg_types = { -1296 "partition_by": False, -1297 "order": False, -1298 "measures": False, -1299 "rows": False, -1300 "after": False, -1301 "pattern": False, -1302 "define": False, -1303 } +1225 @property +1226 def kind(self): +1227 return self.text("kind").upper() +1228 +1229 @property +1230 def side(self): +1231 return self.text("side").upper() +1232 +1233 @property +1234 def alias_or_name(self): +1235 return self.this.alias_or_name +1236 +1237 def on(self, *expressions, append=True, dialect=None, copy=True, **opts): +1238 """ +1239 Append to or set the ON expressions. +1240 +1241 Example: +1242 >>> import sqlglot +1243 >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql() +1244 'JOIN x ON y = 1' +1245 +1246 Args: +1247 *expressions (str | Expression): the SQL code strings to parse. +1248 If an `Expression` instance is passed, it will be used as-is. +1249 Multiple expressions are combined with an AND operator. +1250 append (bool): if `True`, AND the new expressions to any existing expression. +1251 Otherwise, this resets the expression. +1252 dialect (str): the dialect used to parse the input expressions. +1253 copy (bool): if `False`, modify this expression instance in-place. +1254 opts (kwargs): other options to use to parse the input expressions. +1255 +1256 Returns: +1257 Join: the modified join expression. +1258 """ +1259 join = _apply_conjunction_builder( +1260 *expressions, +1261 instance=self, +1262 arg="on", +1263 append=append, +1264 dialect=dialect, +1265 copy=copy, +1266 **opts, +1267 ) +1268 +1269 if join.kind == "CROSS": +1270 join.set("kind", None) +1271 +1272 return join +1273 +1274 def using(self, *expressions, append=True, dialect=None, copy=True, **opts): +1275 """ +1276 Append to or set the USING expressions. +1277 +1278 Example: +1279 >>> import sqlglot +1280 >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql() +1281 'JOIN x USING (foo, bla)' +1282 +1283 Args: +1284 *expressions (str | Expression): the SQL code strings to parse. +1285 If an `Expression` instance is passed, it will be used as-is. +1286 append (bool): if `True`, concatenate the new expressions to the existing "using" list. +1287 Otherwise, this resets the expression. +1288 dialect (str): the dialect used to parse the input expressions. +1289 copy (bool): if `False`, modify this expression instance in-place. +1290 opts (kwargs): other options to use to parse the input expressions. +1291 +1292 Returns: +1293 Join: the modified join expression. +1294 """ +1295 join = _apply_list_builder( +1296 *expressions, +1297 instance=self, +1298 arg="using", +1299 append=append, +1300 dialect=dialect, +1301 copy=copy, +1302 **opts, +1303 ) 1304 -1305 -1306# Clickhouse FROM FINAL modifier -1307# https://clickhouse.com/docs/en/sql-reference/statements/select/from/#final-modifier -1308class Final(Expression): -1309 pass +1305 if join.kind == "CROSS": +1306 join.set("kind", None) +1307 +1308 return join +1309 1310 -1311 -1312class Offset(Expression): -1313 arg_types = {"this": False, "expression": True} +1311class Lateral(UDTF): +1312 arg_types = {"this": True, "view": False, "outer": False, "alias": False} +1313 1314 -1315 -1316class Order(Expression): -1317 arg_types = {"this": False, "expressions": True} -1318 -1319 -1320# hive specific sorts -1321# https://cwiki.apache.org/confluence/display/Hive/LanguageManual+SortBy -1322class Cluster(Order): -1323 pass -1324 +1315class MatchRecognize(Expression): +1316 arg_types = { +1317 "partition_by": False, +1318 "order": False, +1319 "measures": False, +1320 "rows": False, +1321 "after": False, +1322 "pattern": False, +1323 "define": False, +1324 } 1325 -1326class Distribute(Order): -1327 pass -1328 -1329 -1330class Sort(Order): -1331 pass +1326 +1327# Clickhouse FROM FINAL modifier +1328# https://clickhouse.com/docs/en/sql-reference/statements/select/from/#final-modifier +1329class Final(Expression): +1330 pass +1331 1332 -1333 -1334class Ordered(Expression): -1335 arg_types = {"this": True, "desc": True, "nulls_first": True} +1333class Offset(Expression): +1334 arg_types = {"this": False, "expression": True} +1335 1336 -1337 -1338class Property(Expression): -1339 arg_types = {"this": True, "value": True} +1337class Order(Expression): +1338 arg_types = {"this": False, "expressions": True} +1339 1340 -1341 -1342class AfterJournalProperty(Property): -1343 arg_types = {"no": True, "dual": False, "local": False} -1344 +1341# hive specific sorts +1342# https://cwiki.apache.org/confluence/display/Hive/LanguageManual+SortBy +1343class Cluster(Order): +1344 pass 1345 -1346class AlgorithmProperty(Property): -1347 arg_types = {"this": True} -1348 +1346 +1347class Distribute(Order): +1348 pass 1349 -1350class AutoIncrementProperty(Property): -1351 arg_types = {"this": True} -1352 +1350 +1351class Sort(Order): +1352 pass 1353 -1354class BlockCompressionProperty(Property): -1355 arg_types = {"autotemp": False, "always": False, "default": True, "manual": True, "never": True} -1356 +1354 +1355class Ordered(Expression): +1356 arg_types = {"this": True, "desc": True, "nulls_first": True} 1357 -1358class CharacterSetProperty(Property): -1359 arg_types = {"this": True, "default": True} -1360 +1358 +1359class Property(Expression): +1360 arg_types = {"this": True, "value": True} 1361 -1362class ChecksumProperty(Property): -1363 arg_types = {"on": False, "default": False} -1364 +1362 +1363class AfterJournalProperty(Property): +1364 arg_types = {"no": True, "dual": False, "local": False} 1365 -1366class CollateProperty(Property): -1367 arg_types = {"this": True} -1368 +1366 +1367class AlgorithmProperty(Property): +1368 arg_types = {"this": True} 1369 -1370class DataBlocksizeProperty(Property): -1371 arg_types = {"size": False, "units": False, "min": False, "default": False} -1372 +1370 +1371class AutoIncrementProperty(Property): +1372 arg_types = {"this": True} 1373 -1374class DefinerProperty(Property): -1375 arg_types = {"this": True} -1376 +1374 +1375class BlockCompressionProperty(Property): +1376 arg_types = {"autotemp": False, "always": False, "default": True, "manual": True, "never": True} 1377 -1378class DistKeyProperty(Property): -1379 arg_types = {"this": True} -1380 +1378 +1379class CharacterSetProperty(Property): +1380 arg_types = {"this": True, "default": True} 1381 -1382class DistStyleProperty(Property): -1383 arg_types = {"this": True} -1384 +1382 +1383class ChecksumProperty(Property): +1384 arg_types = {"on": False, "default": False} 1385 -1386class EngineProperty(Property): -1387 arg_types = {"this": True} -1388 +1386 +1387class CollateProperty(Property): +1388 arg_types = {"this": True} 1389 -1390class ExecuteAsProperty(Property): -1391 arg_types = {"this": True} -1392 +1390 +1391class DataBlocksizeProperty(Property): +1392 arg_types = {"size": False, "units": False, "min": False, "default": False} 1393 -1394class ExternalProperty(Property): -1395 arg_types = {"this": False} -1396 +1394 +1395class DefinerProperty(Property): +1396 arg_types = {"this": True} 1397 -1398class FallbackProperty(Property): -1399 arg_types = {"no": True, "protection": False} -1400 +1398 +1399class DistKeyProperty(Property): +1400 arg_types = {"this": True} 1401 -1402class FileFormatProperty(Property): -1403 arg_types = {"this": True} -1404 +1402 +1403class DistStyleProperty(Property): +1404 arg_types = {"this": True} 1405 -1406class FreespaceProperty(Property): -1407 arg_types = {"this": True, "percent": False} -1408 +1406 +1407class EngineProperty(Property): +1408 arg_types = {"this": True} 1409 -1410class IsolatedLoadingProperty(Property): -1411 arg_types = { -1412 "no": True, -1413 "concurrent": True, -1414 "for_all": True, -1415 "for_insert": True, -1416 "for_none": True, -1417 } +1410 +1411class ExecuteAsProperty(Property): +1412 arg_types = {"this": True} +1413 +1414 +1415class ExternalProperty(Property): +1416 arg_types = {"this": False} +1417 1418 -1419 -1420class JournalProperty(Property): -1421 arg_types = {"no": True, "dual": False, "before": False} +1419class FallbackProperty(Property): +1420 arg_types = {"no": True, "protection": False} +1421 1422 -1423 -1424class LanguageProperty(Property): -1425 arg_types = {"this": True} +1423class FileFormatProperty(Property): +1424 arg_types = {"this": True} +1425 1426 -1427 -1428class LikeProperty(Property): -1429 arg_types = {"this": True, "expressions": False} +1427class FreespaceProperty(Property): +1428 arg_types = {"this": True, "percent": False} +1429 1430 -1431 -1432class LocationProperty(Property): -1433 arg_types = {"this": True} -1434 -1435 -1436class LockingProperty(Property): -1437 arg_types = { -1438 "this": False, -1439 "kind": True, -1440 "for_or_in": True, -1441 "lock_type": True, -1442 "override": False, -1443 } +1431class IsolatedLoadingProperty(Property): +1432 arg_types = { +1433 "no": True, +1434 "concurrent": True, +1435 "for_all": True, +1436 "for_insert": True, +1437 "for_none": True, +1438 } +1439 +1440 +1441class JournalProperty(Property): +1442 arg_types = {"no": True, "dual": False, "before": False} +1443 1444 -1445 -1446class LogProperty(Property): -1447 arg_types = {"no": True} +1445class LanguageProperty(Property): +1446 arg_types = {"this": True} +1447 1448 -1449 -1450class MaterializedProperty(Property): -1451 arg_types = {"this": False} +1449class LikeProperty(Property): +1450 arg_types = {"this": True, "expressions": False} +1451 1452 -1453 -1454class MergeBlockRatioProperty(Property): -1455 arg_types = {"this": False, "no": False, "default": False, "percent": False} +1453class LocationProperty(Property): +1454 arg_types = {"this": True} +1455 1456 -1457 -1458class NoPrimaryIndexProperty(Property): -1459 arg_types = {"this": False} -1460 -1461 -1462class OnCommitProperty(Property): -1463 arg_type = {"this": False} -1464 +1457class LockingProperty(Property): +1458 arg_types = { +1459 "this": False, +1460 "kind": True, +1461 "for_or_in": True, +1462 "lock_type": True, +1463 "override": False, +1464 } 1465 -1466class PartitionedByProperty(Property): -1467 arg_types = {"this": True} -1468 +1466 +1467class LogProperty(Property): +1468 arg_types = {"no": True} 1469 -1470class ReturnsProperty(Property): -1471 arg_types = {"this": True, "is_table": False, "table": False} -1472 +1470 +1471class MaterializedProperty(Property): +1472 arg_types = {"this": False} 1473 -1474class RowFormatDelimitedProperty(Property): -1475 # https://cwiki.apache.org/confluence/display/hive/languagemanual+dml -1476 arg_types = { -1477 "fields": False, -1478 "escaped": False, -1479 "collection_items": False, -1480 "map_keys": False, -1481 "lines": False, -1482 "null": False, -1483 "serde": False, -1484 } +1474 +1475class MergeBlockRatioProperty(Property): +1476 arg_types = {"this": False, "no": False, "default": False, "percent": False} +1477 +1478 +1479class NoPrimaryIndexProperty(Property): +1480 arg_types = {"this": False} +1481 +1482 +1483class OnCommitProperty(Property): +1484 arg_type = {"this": False} 1485 1486 -1487class RowFormatSerdeProperty(Property): +1487class PartitionedByProperty(Property): 1488 arg_types = {"this": True} 1489 1490 -1491class SchemaCommentProperty(Property): -1492 arg_types = {"this": True} +1491class ReturnsProperty(Property): +1492 arg_types = {"this": True, "is_table": False, "table": False} 1493 1494 -1495class SerdeProperties(Property): -1496 arg_types = {"expressions": True} -1497 -1498 -1499class SetProperty(Property): -1500 arg_types = {"multi": True} -1501 -1502 -1503class SortKeyProperty(Property): -1504 arg_types = {"this": True, "compound": False} -1505 +1495class RowFormatDelimitedProperty(Property): +1496 # https://cwiki.apache.org/confluence/display/hive/languagemanual+dml +1497 arg_types = { +1498 "fields": False, +1499 "escaped": False, +1500 "collection_items": False, +1501 "map_keys": False, +1502 "lines": False, +1503 "null": False, +1504 "serde": False, +1505 } 1506 -1507class SqlSecurityProperty(Property): -1508 arg_types = {"definer": True} -1509 +1507 +1508class RowFormatSerdeProperty(Property): +1509 arg_types = {"this": True} 1510 -1511class TableFormatProperty(Property): -1512 arg_types = {"this": True} -1513 +1511 +1512class SchemaCommentProperty(Property): +1513 arg_types = {"this": True} 1514 -1515class TemporaryProperty(Property): -1516 arg_types = {"global_": True} -1517 +1515 +1516class SerdeProperties(Property): +1517 arg_types = {"expressions": True} 1518 -1519class TransientProperty(Property): -1520 arg_types = {"this": False} -1521 +1519 +1520class SetProperty(Property): +1521 arg_types = {"multi": True} 1522 -1523class VolatilityProperty(Property): -1524 arg_types = {"this": True} -1525 +1523 +1524class SortKeyProperty(Property): +1525 arg_types = {"this": True, "compound": False} 1526 -1527class WithDataProperty(Property): -1528 arg_types = {"no": True, "statistics": False} -1529 +1527 +1528class SqlSecurityProperty(Property): +1529 arg_types = {"definer": True} 1530 -1531class WithJournalTableProperty(Property): -1532 arg_types = {"this": True} -1533 +1531 +1532class TableFormatProperty(Property): +1533 arg_types = {"this": True} 1534 -1535class Properties(Expression): -1536 arg_types = {"expressions": True} -1537 -1538 NAME_TO_PROPERTY = { -1539 "ALGORITHM": AlgorithmProperty, -1540 "AUTO_INCREMENT": AutoIncrementProperty, -1541 "CHARACTER SET": CharacterSetProperty, -1542 "COLLATE": CollateProperty, -1543 "COMMENT": SchemaCommentProperty, -1544 "DEFINER": DefinerProperty, -1545 "DISTKEY": DistKeyProperty, -1546 "DISTSTYLE": DistStyleProperty, -1547 "ENGINE": EngineProperty, -1548 "EXECUTE AS": ExecuteAsProperty, -1549 "FORMAT": FileFormatProperty, -1550 "LANGUAGE": LanguageProperty, -1551 "LOCATION": LocationProperty, -1552 "PARTITIONED_BY": PartitionedByProperty, -1553 "RETURNS": ReturnsProperty, -1554 "SORTKEY": SortKeyProperty, -1555 "TABLE_FORMAT": TableFormatProperty, -1556 } -1557 -1558 PROPERTY_TO_NAME = {v: k for k, v in NAME_TO_PROPERTY.items()} -1559 -1560 # CREATE property locations -1561 # Form: schema specified -1562 # create [POST_CREATE] -1563 # table a [POST_NAME] -1564 # (b int) [POST_SCHEMA] -1565 # with ([POST_WITH]) -1566 # index (b) [POST_INDEX] -1567 # -1568 # Form: alias selection -1569 # create [POST_CREATE] -1570 # table a [POST_NAME] -1571 # as [POST_ALIAS] (select * from b) [POST_EXPRESSION] -1572 # index (c) [POST_INDEX] -1573 class Location(AutoName): -1574 POST_CREATE = auto() -1575 POST_NAME = auto() -1576 POST_SCHEMA = auto() -1577 POST_WITH = auto() -1578 POST_ALIAS = auto() -1579 POST_EXPRESSION = auto() -1580 POST_INDEX = auto() -1581 UNSUPPORTED = auto() -1582 -1583 @classmethod -1584 def from_dict(cls, properties_dict) -> Properties: -1585 expressions = [] -1586 for key, value in properties_dict.items(): -1587 property_cls = cls.NAME_TO_PROPERTY.get(key.upper()) -1588 if property_cls: -1589 expressions.append(property_cls(this=convert(value))) -1590 else: -1591 expressions.append(Property(this=Literal.string(key), value=convert(value))) -1592 -1593 return cls(expressions=expressions) -1594 -1595 -1596class Qualify(Expression): -1597 pass -1598 -1599 -1600# https://www.ibm.com/docs/en/ias?topic=procedures-return-statement-in-sql -1601class Return(Expression): -1602 pass +1535 +1536class TemporaryProperty(Property): +1537 arg_types = {"global_": True} +1538 +1539 +1540class TransientProperty(Property): +1541 arg_types = {"this": False} +1542 +1543 +1544class VolatilityProperty(Property): +1545 arg_types = {"this": True} +1546 +1547 +1548class WithDataProperty(Property): +1549 arg_types = {"no": True, "statistics": False} +1550 +1551 +1552class WithJournalTableProperty(Property): +1553 arg_types = {"this": True} +1554 +1555 +1556class Properties(Expression): +1557 arg_types = {"expressions": True} +1558 +1559 NAME_TO_PROPERTY = { +1560 "ALGORITHM": AlgorithmProperty, +1561 "AUTO_INCREMENT": AutoIncrementProperty, +1562 "CHARACTER SET": CharacterSetProperty, +1563 "COLLATE": CollateProperty, +1564 "COMMENT": SchemaCommentProperty, +1565 "DEFINER": DefinerProperty, +1566 "DISTKEY": DistKeyProperty, +1567 "DISTSTYLE": DistStyleProperty, +1568 "ENGINE": EngineProperty, +1569 "EXECUTE AS": ExecuteAsProperty, +1570 "FORMAT": FileFormatProperty, +1571 "LANGUAGE": LanguageProperty, +1572 "LOCATION": LocationProperty, +1573 "PARTITIONED_BY": PartitionedByProperty, +1574 "RETURNS": ReturnsProperty, +1575 "SORTKEY": SortKeyProperty, +1576 "TABLE_FORMAT": TableFormatProperty, +1577 } +1578 +1579 PROPERTY_TO_NAME = {v: k for k, v in NAME_TO_PROPERTY.items()} +1580 +1581 # CREATE property locations +1582 # Form: schema specified +1583 # create [POST_CREATE] +1584 # table a [POST_NAME] +1585 # (b int) [POST_SCHEMA] +1586 # with ([POST_WITH]) +1587 # index (b) [POST_INDEX] +1588 # +1589 # Form: alias selection +1590 # create [POST_CREATE] +1591 # table a [POST_NAME] +1592 # as [POST_ALIAS] (select * from b) [POST_EXPRESSION] +1593 # index (c) [POST_INDEX] +1594 class Location(AutoName): +1595 POST_CREATE = auto() +1596 POST_NAME = auto() +1597 POST_SCHEMA = auto() +1598 POST_WITH = auto() +1599 POST_ALIAS = auto() +1600 POST_EXPRESSION = auto() +1601 POST_INDEX = auto() +1602 UNSUPPORTED = auto() 1603 -1604 -1605class Reference(Expression): -1606 arg_types = {"this": True, "expressions": False, "options": False} -1607 -1608 -1609class Tuple(Expression): -1610 arg_types = {"expressions": False} -1611 -1612 -1613class Subqueryable(Unionable): -1614 def subquery(self, alias=None, copy=True) -> Subquery: -1615 """ -1616 Convert this expression to an aliased expression that can be used as a Subquery. -1617 -1618 Example: -1619 >>> subquery = Select().select("x").from_("tbl").subquery() -1620 >>> Select().select("x").from_(subquery).sql() -1621 'SELECT x FROM (SELECT x FROM tbl)' -1622 -1623 Args: -1624 alias (str | Identifier): an optional alias for the subquery -1625 copy (bool): if `False`, modify this expression instance in-place. -1626 -1627 Returns: -1628 Alias: the subquery -1629 """ -1630 instance = _maybe_copy(self, copy) -1631 return Subquery( -1632 this=instance, -1633 alias=TableAlias(this=to_identifier(alias)), -1634 ) -1635 -1636 def limit(self, expression, dialect=None, copy=True, **opts) -> Select: -1637 raise NotImplementedError +1604 @classmethod +1605 def from_dict(cls, properties_dict) -> Properties: +1606 expressions = [] +1607 for key, value in properties_dict.items(): +1608 property_cls = cls.NAME_TO_PROPERTY.get(key.upper()) +1609 if property_cls: +1610 expressions.append(property_cls(this=convert(value))) +1611 else: +1612 expressions.append(Property(this=Literal.string(key), value=convert(value))) +1613 +1614 return cls(expressions=expressions) +1615 +1616 +1617class Qualify(Expression): +1618 pass +1619 +1620 +1621# https://www.ibm.com/docs/en/ias?topic=procedures-return-statement-in-sql +1622class Return(Expression): +1623 pass +1624 +1625 +1626class Reference(Expression): +1627 arg_types = {"this": True, "expressions": False, "options": False} +1628 +1629 +1630class Tuple(Expression): +1631 arg_types = {"expressions": False} +1632 +1633 +1634class Subqueryable(Unionable): +1635 def subquery(self, alias=None, copy=True) -> Subquery: +1636 """ +1637 Convert this expression to an aliased expression that can be used as a Subquery. 1638 -1639 @property -1640 def ctes(self): -1641 with_ = self.args.get("with") -1642 if not with_: -1643 return [] -1644 return with_.expressions -1645 -1646 @property -1647 def selects(self): -1648 raise NotImplementedError("Subqueryable objects must implement `selects`") -1649 -1650 @property -1651 def named_selects(self): -1652 raise NotImplementedError("Subqueryable objects must implement `named_selects`") -1653 -1654 def with_( -1655 self, -1656 alias, -1657 as_, -1658 recursive=None, -1659 append=True, -1660 dialect=None, -1661 copy=True, -1662 **opts, -1663 ): -1664 """ -1665 Append to or set the common table expressions. +1639 Example: +1640 >>> subquery = Select().select("x").from_("tbl").subquery() +1641 >>> Select().select("x").from_(subquery).sql() +1642 'SELECT x FROM (SELECT x FROM tbl)' +1643 +1644 Args: +1645 alias (str | Identifier): an optional alias for the subquery +1646 copy (bool): if `False`, modify this expression instance in-place. +1647 +1648 Returns: +1649 Alias: the subquery +1650 """ +1651 instance = _maybe_copy(self, copy) +1652 return Subquery( +1653 this=instance, +1654 alias=TableAlias(this=to_identifier(alias)), +1655 ) +1656 +1657 def limit(self, expression, dialect=None, copy=True, **opts) -> Select: +1658 raise NotImplementedError +1659 +1660 @property +1661 def ctes(self): +1662 with_ = self.args.get("with") +1663 if not with_: +1664 return [] +1665 return with_.expressions 1666 -1667 Example: -1668 >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql() -1669 'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2' +1667 @property +1668 def selects(self): +1669 raise NotImplementedError("Subqueryable objects must implement `selects`") 1670 -1671 Args: -1672 alias (str | Expression): the SQL code string to parse as the table name. -1673 If an `Expression` instance is passed, this is used as-is. -1674 as_ (str | Expression): the SQL code string to parse as the table expression. -1675 If an `Expression` instance is passed, it will be used as-is. -1676 recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`. -1677 append (bool): if `True`, add to any existing expressions. -1678 Otherwise, this resets the expressions. -1679 dialect (str): the dialect used to parse the input expression. -1680 copy (bool): if `False`, modify this expression instance in-place. -1681 opts (kwargs): other options to use to parse the input expressions. -1682 -1683 Returns: -1684 Select: the modified expression. -1685 """ -1686 alias_expression = maybe_parse( -1687 alias, -1688 dialect=dialect, -1689 into=TableAlias, -1690 **opts, -1691 ) -1692 as_expression = maybe_parse( -1693 as_, -1694 dialect=dialect, -1695 **opts, -1696 ) -1697 cte = CTE( -1698 this=as_expression, -1699 alias=alias_expression, -1700 ) -1701 return _apply_child_list_builder( -1702 cte, -1703 instance=self, -1704 arg="with", -1705 append=append, -1706 copy=copy, -1707 into=With, -1708 properties={"recursive": recursive or False}, -1709 ) -1710 -1711 -1712QUERY_MODIFIERS = { -1713 "match": False, -1714 "laterals": False, -1715 "joins": False, -1716 "pivots": False, -1717 "where": False, -1718 "group": False, -1719 "having": False, -1720 "qualify": False, -1721 "windows": False, -1722 "distribute": False, -1723 "sort": False, -1724 "cluster": False, -1725 "order": False, -1726 "limit": False, -1727 "offset": False, -1728 "lock": False, -1729} -1730 +1671 @property +1672 def named_selects(self): +1673 raise NotImplementedError("Subqueryable objects must implement `named_selects`") +1674 +1675 def with_( +1676 self, +1677 alias, +1678 as_, +1679 recursive=None, +1680 append=True, +1681 dialect=None, +1682 copy=True, +1683 **opts, +1684 ): +1685 """ +1686 Append to or set the common table expressions. +1687 +1688 Example: +1689 >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql() +1690 'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2' +1691 +1692 Args: +1693 alias (str | Expression): the SQL code string to parse as the table name. +1694 If an `Expression` instance is passed, this is used as-is. +1695 as_ (str | Expression): the SQL code string to parse as the table expression. +1696 If an `Expression` instance is passed, it will be used as-is. +1697 recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`. +1698 append (bool): if `True`, add to any existing expressions. +1699 Otherwise, this resets the expressions. +1700 dialect (str): the dialect used to parse the input expression. +1701 copy (bool): if `False`, modify this expression instance in-place. +1702 opts (kwargs): other options to use to parse the input expressions. +1703 +1704 Returns: +1705 Select: the modified expression. +1706 """ +1707 alias_expression = maybe_parse( +1708 alias, +1709 dialect=dialect, +1710 into=TableAlias, +1711 **opts, +1712 ) +1713 as_expression = maybe_parse( +1714 as_, +1715 dialect=dialect, +1716 **opts, +1717 ) +1718 cte = CTE( +1719 this=as_expression, +1720 alias=alias_expression, +1721 ) +1722 return _apply_child_list_builder( +1723 cte, +1724 instance=self, +1725 arg="with", +1726 append=append, +1727 copy=copy, +1728 into=With, +1729 properties={"recursive": recursive or False}, +1730 ) 1731 -1732class Table(Expression): -1733 arg_types = { -1734 "this": True, -1735 "alias": False, -1736 "db": False, -1737 "catalog": False, -1738 "laterals": False, -1739 "joins": False, -1740 "pivots": False, -1741 "hints": False, -1742 "system_time": False, -1743 } -1744 -1745 @property -1746 def db(self) -> str: -1747 return self.text("db") -1748 -1749 @property -1750 def catalog(self) -> str: -1751 return self.text("catalog") +1732 +1733QUERY_MODIFIERS = { +1734 "match": False, +1735 "laterals": False, +1736 "joins": False, +1737 "pivots": False, +1738 "where": False, +1739 "group": False, +1740 "having": False, +1741 "qualify": False, +1742 "windows": False, +1743 "distribute": False, +1744 "sort": False, +1745 "cluster": False, +1746 "order": False, +1747 "limit": False, +1748 "offset": False, +1749 "lock": False, +1750} +1751 1752 -1753 -1754# See the TSQL "Querying data in a system-versioned temporal table" page -1755class SystemTime(Expression): -1756 arg_types = { -1757 "this": False, -1758 "expression": False, -1759 "kind": True, -1760 } -1761 -1762 -1763class Union(Subqueryable): -1764 arg_types = { -1765 "with": False, -1766 "this": True, -1767 "expression": True, -1768 "distinct": False, -1769 **QUERY_MODIFIERS, -1770 } -1771 -1772 def limit(self, expression, dialect=None, copy=True, **opts) -> Select: -1773 """ -1774 Set the LIMIT expression. -1775 -1776 Example: -1777 >>> select("1").union(select("1")).limit(1).sql() -1778 'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1' -1779 -1780 Args: -1781 expression (str | int | Expression): the SQL code string to parse. -1782 This can also be an integer. -1783 If a `Limit` instance is passed, this is used as-is. -1784 If another `Expression` instance is passed, it will be wrapped in a `Limit`. -1785 dialect (str): the dialect used to parse the input expression. -1786 copy (bool): if `False`, modify this expression instance in-place. -1787 opts (kwargs): other options to use to parse the input expressions. -1788 -1789 Returns: -1790 Select: The limited subqueryable. -1791 """ -1792 return ( -1793 select("*") -1794 .from_(self.subquery(alias="_l_0", copy=copy)) -1795 .limit(expression, dialect=dialect, copy=False, **opts) -1796 ) -1797 -1798 def select( -1799 self, -1800 *expressions: str | Expression, -1801 append: bool = True, -1802 dialect: DialectType = None, -1803 copy: bool = True, -1804 **opts, -1805 ) -> Union: -1806 """Append to or set the SELECT of the union recursively. -1807 -1808 Example: -1809 >>> from sqlglot import parse_one -1810 >>> parse_one("select a from x union select a from y union select a from z").select("b").sql() -1811 'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z' -1812 -1813 Args: -1814 *expressions: the SQL code strings to parse. -1815 If an `Expression` instance is passed, it will be used as-is. -1816 append: if `True`, add to any existing expressions. -1817 Otherwise, this resets the expressions. -1818 dialect: the dialect used to parse the input expressions. -1819 copy: if `False`, modify this expression instance in-place. -1820 opts: other options to use to parse the input expressions. -1821 -1822 Returns: -1823 Union: the modified expression. -1824 """ -1825 this = self.copy() if copy else self -1826 this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts) -1827 this.expression.unnest().select( -1828 *expressions, append=append, dialect=dialect, copy=False, **opts -1829 ) -1830 return this -1831 -1832 @property -1833 def named_selects(self): -1834 return self.this.unnest().named_selects -1835 -1836 @property -1837 def is_star(self) -> bool: -1838 return self.this.is_star or self.expression.is_star -1839 -1840 @property -1841 def selects(self): -1842 return self.this.unnest().selects -1843 -1844 @property -1845 def left(self): -1846 return self.this -1847 -1848 @property -1849 def right(self): -1850 return self.expression -1851 +1753class Table(Expression): +1754 arg_types = { +1755 "this": True, +1756 "alias": False, +1757 "db": False, +1758 "catalog": False, +1759 "laterals": False, +1760 "joins": False, +1761 "pivots": False, +1762 "hints": False, +1763 "system_time": False, +1764 } +1765 +1766 @property +1767 def db(self) -> str: +1768 return self.text("db") +1769 +1770 @property +1771 def catalog(self) -> str: +1772 return self.text("catalog") +1773 +1774 +1775# See the TSQL "Querying data in a system-versioned temporal table" page +1776class SystemTime(Expression): +1777 arg_types = { +1778 "this": False, +1779 "expression": False, +1780 "kind": True, +1781 } +1782 +1783 +1784class Union(Subqueryable): +1785 arg_types = { +1786 "with": False, +1787 "this": True, +1788 "expression": True, +1789 "distinct": False, +1790 **QUERY_MODIFIERS, +1791 } +1792 +1793 def limit(self, expression, dialect=None, copy=True, **opts) -> Select: +1794 """ +1795 Set the LIMIT expression. +1796 +1797 Example: +1798 >>> select("1").union(select("1")).limit(1).sql() +1799 'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1' +1800 +1801 Args: +1802 expression (str | int | Expression): the SQL code string to parse. +1803 This can also be an integer. +1804 If a `Limit` instance is passed, this is used as-is. +1805 If another `Expression` instance is passed, it will be wrapped in a `Limit`. +1806 dialect (str): the dialect used to parse the input expression. +1807 copy (bool): if `False`, modify this expression instance in-place. +1808 opts (kwargs): other options to use to parse the input expressions. +1809 +1810 Returns: +1811 Select: The limited subqueryable. +1812 """ +1813 return ( +1814 select("*") +1815 .from_(self.subquery(alias="_l_0", copy=copy)) +1816 .limit(expression, dialect=dialect, copy=False, **opts) +1817 ) +1818 +1819 def select( +1820 self, +1821 *expressions: str | Expression, +1822 append: bool = True, +1823 dialect: DialectType = None, +1824 copy: bool = True, +1825 **opts, +1826 ) -> Union: +1827 """Append to or set the SELECT of the union recursively. +1828 +1829 Example: +1830 >>> from sqlglot import parse_one +1831 >>> parse_one("select a from x union select a from y union select a from z").select("b").sql() +1832 'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z' +1833 +1834 Args: +1835 *expressions: the SQL code strings to parse. +1836 If an `Expression` instance is passed, it will be used as-is. +1837 append: if `True`, add to any existing expressions. +1838 Otherwise, this resets the expressions. +1839 dialect: the dialect used to parse the input expressions. +1840 copy: if `False`, modify this expression instance in-place. +1841 opts: other options to use to parse the input expressions. +1842 +1843 Returns: +1844 Union: the modified expression. +1845 """ +1846 this = self.copy() if copy else self +1847 this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts) +1848 this.expression.unnest().select( +1849 *expressions, append=append, dialect=dialect, copy=False, **opts +1850 ) +1851 return this 1852 -1853class Except(Union): -1854 pass -1855 +1853 @property +1854 def named_selects(self): +1855 return self.this.unnest().named_selects 1856 -1857class Intersect(Union): -1858 pass -1859 +1857 @property +1858 def is_star(self) -> bool: +1859 return self.this.is_star or self.expression.is_star 1860 -1861class Unnest(UDTF): -1862 arg_types = { -1863 "expressions": True, -1864 "ordinality": False, -1865 "alias": False, -1866 "offset": False, -1867 } +1861 @property +1862 def selects(self): +1863 return self.this.unnest().selects +1864 +1865 @property +1866 def left(self): +1867 return self.this 1868 -1869 -1870class Update(Expression): -1871 arg_types = { -1872 "with": False, -1873 "this": False, -1874 "expressions": True, -1875 "from": False, -1876 "where": False, -1877 } -1878 -1879 -1880class Values(UDTF): -1881 arg_types = { -1882 "expressions": True, -1883 "ordinality": False, -1884 "alias": False, -1885 } -1886 -1887 -1888class Var(Expression): -1889 pass +1869 @property +1870 def right(self): +1871 return self.expression +1872 +1873 +1874class Except(Union): +1875 pass +1876 +1877 +1878class Intersect(Union): +1879 pass +1880 +1881 +1882class Unnest(UDTF): +1883 arg_types = { +1884 "expressions": True, +1885 "ordinality": False, +1886 "alias": False, +1887 "offset": False, +1888 } +1889 1890 -1891 -1892class Schema(Expression): -1893 arg_types = {"this": False, "expressions": False} -1894 -1895 -1896# Used to represent the FOR UPDATE and FOR SHARE locking read types. -1897# https://dev.mysql.com/doc/refman/8.0/en/innodb-locking-reads.html -1898class Lock(Expression): -1899 arg_types = {"update": True} +1891class Update(Expression): +1892 arg_types = { +1893 "with": False, +1894 "this": False, +1895 "expressions": True, +1896 "from": False, +1897 "where": False, +1898 } +1899 1900 -1901 -1902class Select(Subqueryable): -1903 arg_types = { -1904 "with": False, -1905 "expressions": False, -1906 "hint": False, -1907 "distinct": False, -1908 "into": False, -1909 "from": False, -1910 **QUERY_MODIFIERS, -1911 } +1901class Values(UDTF): +1902 arg_types = { +1903 "expressions": True, +1904 "ordinality": False, +1905 "alias": False, +1906 } +1907 +1908 +1909class Var(Expression): +1910 pass +1911 1912 -1913 def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: -1914 """ -1915 Set the FROM expression. +1913class Schema(Expression): +1914 arg_types = {"this": False, "expressions": False} +1915 1916 -1917 Example: -1918 >>> Select().from_("tbl").select("x").sql() -1919 'SELECT x FROM tbl' -1920 -1921 Args: -1922 *expressions (str | Expression): the SQL code strings to parse. -1923 If a `From` instance is passed, this is used as-is. -1924 If another `Expression` instance is passed, it will be wrapped in a `From`. -1925 append (bool): if `True`, add to any existing expressions. -1926 Otherwise, this flattens all the `From` expression into a single expression. -1927 dialect (str): the dialect used to parse the input expression. -1928 copy (bool): if `False`, modify this expression instance in-place. -1929 opts (kwargs): other options to use to parse the input expressions. -1930 -1931 Returns: -1932 Select: the modified expression. -1933 """ -1934 return _apply_child_list_builder( -1935 *expressions, -1936 instance=self, -1937 arg="from", -1938 append=append, -1939 copy=copy, -1940 prefix="FROM", -1941 into=From, -1942 dialect=dialect, -1943 **opts, -1944 ) -1945 -1946 def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: -1947 """ -1948 Set the GROUP BY expression. -1949 -1950 Example: -1951 >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql() -1952 'SELECT x, COUNT(1) FROM tbl GROUP BY x' -1953 -1954 Args: -1955 *expressions (str | Expression): the SQL code strings to parse. -1956 If a `Group` instance is passed, this is used as-is. -1957 If another `Expression` instance is passed, it will be wrapped in a `Group`. -1958 If nothing is passed in then a group by is not applied to the expression -1959 append (bool): if `True`, add to any existing expressions. -1960 Otherwise, this flattens all the `Group` expression into a single expression. -1961 dialect (str): the dialect used to parse the input expression. -1962 copy (bool): if `False`, modify this expression instance in-place. -1963 opts (kwargs): other options to use to parse the input expressions. -1964 -1965 Returns: -1966 Select: the modified expression. -1967 """ -1968 if not expressions: -1969 return self if not copy else self.copy() -1970 return _apply_child_list_builder( -1971 *expressions, -1972 instance=self, -1973 arg="group", -1974 append=append, -1975 copy=copy, -1976 prefix="GROUP BY", -1977 into=Group, -1978 dialect=dialect, -1979 **opts, -1980 ) -1981 -1982 def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: -1983 """ -1984 Set the ORDER BY expression. +1917# Used to represent the FOR UPDATE and FOR SHARE locking read types. +1918# https://dev.mysql.com/doc/refman/8.0/en/innodb-locking-reads.html +1919class Lock(Expression): +1920 arg_types = {"update": True} +1921 +1922 +1923class Select(Subqueryable): +1924 arg_types = { +1925 "with": False, +1926 "expressions": False, +1927 "hint": False, +1928 "distinct": False, +1929 "into": False, +1930 "from": False, +1931 **QUERY_MODIFIERS, +1932 } +1933 +1934 def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: +1935 """ +1936 Set the FROM expression. +1937 +1938 Example: +1939 >>> Select().from_("tbl").select("x").sql() +1940 'SELECT x FROM tbl' +1941 +1942 Args: +1943 *expressions (str | Expression): the SQL code strings to parse. +1944 If a `From` instance is passed, this is used as-is. +1945 If another `Expression` instance is passed, it will be wrapped in a `From`. +1946 append (bool): if `True`, add to any existing expressions. +1947 Otherwise, this flattens all the `From` expression into a single expression. +1948 dialect (str): the dialect used to parse the input expression. +1949 copy (bool): if `False`, modify this expression instance in-place. +1950 opts (kwargs): other options to use to parse the input expressions. +1951 +1952 Returns: +1953 Select: the modified expression. +1954 """ +1955 return _apply_child_list_builder( +1956 *expressions, +1957 instance=self, +1958 arg="from", +1959 append=append, +1960 copy=copy, +1961 prefix="FROM", +1962 into=From, +1963 dialect=dialect, +1964 **opts, +1965 ) +1966 +1967 def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: +1968 """ +1969 Set the GROUP BY expression. +1970 +1971 Example: +1972 >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql() +1973 'SELECT x, COUNT(1) FROM tbl GROUP BY x' +1974 +1975 Args: +1976 *expressions (str | Expression): the SQL code strings to parse. +1977 If a `Group` instance is passed, this is used as-is. +1978 If another `Expression` instance is passed, it will be wrapped in a `Group`. +1979 If nothing is passed in then a group by is not applied to the expression +1980 append (bool): if `True`, add to any existing expressions. +1981 Otherwise, this flattens all the `Group` expression into a single expression. +1982 dialect (str): the dialect used to parse the input expression. +1983 copy (bool): if `False`, modify this expression instance in-place. +1984 opts (kwargs): other options to use to parse the input expressions. 1985 -1986 Example: -1987 >>> Select().from_("tbl").select("x").order_by("x DESC").sql() -1988 'SELECT x FROM tbl ORDER BY x DESC' -1989 -1990 Args: -1991 *expressions (str | Expression): the SQL code strings to parse. -1992 If a `Group` instance is passed, this is used as-is. -1993 If another `Expression` instance is passed, it will be wrapped in a `Order`. -1994 append (bool): if `True`, add to any existing expressions. -1995 Otherwise, this flattens all the `Order` expression into a single expression. -1996 dialect (str): the dialect used to parse the input expression. -1997 copy (bool): if `False`, modify this expression instance in-place. -1998 opts (kwargs): other options to use to parse the input expressions. -1999 -2000 Returns: -2001 Select: the modified expression. -2002 """ -2003 return _apply_child_list_builder( -2004 *expressions, -2005 instance=self, -2006 arg="order", -2007 append=append, -2008 copy=copy, -2009 prefix="ORDER BY", -2010 into=Order, -2011 dialect=dialect, -2012 **opts, -2013 ) -2014 -2015 def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: -2016 """ -2017 Set the SORT BY expression. -2018 -2019 Example: -2020 >>> Select().from_("tbl").select("x").sort_by("x DESC").sql() -2021 'SELECT x FROM tbl SORT BY x DESC' -2022 -2023 Args: -2024 *expressions (str | Expression): the SQL code strings to parse. -2025 If a `Group` instance is passed, this is used as-is. -2026 If another `Expression` instance is passed, it will be wrapped in a `SORT`. -2027 append (bool): if `True`, add to any existing expressions. -2028 Otherwise, this flattens all the `Order` expression into a single expression. -2029 dialect (str): the dialect used to parse the input expression. -2030 copy (bool): if `False`, modify this expression instance in-place. -2031 opts (kwargs): other options to use to parse the input expressions. -2032 -2033 Returns: -2034 Select: the modified expression. -2035 """ -2036 return _apply_child_list_builder( -2037 *expressions, -2038 instance=self, -2039 arg="sort", -2040 append=append, -2041 copy=copy, -2042 prefix="SORT BY", -2043 into=Sort, -2044 dialect=dialect, -2045 **opts, -2046 ) -2047 -2048 def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: -2049 """ -2050 Set the CLUSTER BY expression. -2051 -2052 Example: -2053 >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql() -2054 'SELECT x FROM tbl CLUSTER BY x DESC' -2055 -2056 Args: -2057 *expressions (str | Expression): the SQL code strings to parse. -2058 If a `Group` instance is passed, this is used as-is. -2059 If another `Expression` instance is passed, it will be wrapped in a `Cluster`. -2060 append (bool): if `True`, add to any existing expressions. -2061 Otherwise, this flattens all the `Order` expression into a single expression. -2062 dialect (str): the dialect used to parse the input expression. -2063 copy (bool): if `False`, modify this expression instance in-place. -2064 opts (kwargs): other options to use to parse the input expressions. -2065 -2066 Returns: -2067 Select: the modified expression. -2068 """ -2069 return _apply_child_list_builder( -2070 *expressions, -2071 instance=self, -2072 arg="cluster", -2073 append=append, -2074 copy=copy, -2075 prefix="CLUSTER BY", -2076 into=Cluster, -2077 dialect=dialect, -2078 **opts, -2079 ) -2080 -2081 def limit(self, expression, dialect=None, copy=True, **opts) -> Select: -2082 """ -2083 Set the LIMIT expression. -2084 -2085 Example: -2086 >>> Select().from_("tbl").select("x").limit(10).sql() -2087 'SELECT x FROM tbl LIMIT 10' -2088 -2089 Args: -2090 expression (str | int | Expression): the SQL code string to parse. -2091 This can also be an integer. -2092 If a `Limit` instance is passed, this is used as-is. -2093 If another `Expression` instance is passed, it will be wrapped in a `Limit`. -2094 dialect (str): the dialect used to parse the input expression. -2095 copy (bool): if `False`, modify this expression instance in-place. -2096 opts (kwargs): other options to use to parse the input expressions. -2097 -2098 Returns: -2099 Select: the modified expression. -2100 """ -2101 return _apply_builder( -2102 expression=expression, -2103 instance=self, -2104 arg="limit", -2105 into=Limit, -2106 prefix="LIMIT", -2107 dialect=dialect, -2108 copy=copy, -2109 **opts, -2110 ) -2111 -2112 def offset(self, expression, dialect=None, copy=True, **opts) -> Select: -2113 """ -2114 Set the OFFSET expression. -2115 -2116 Example: -2117 >>> Select().from_("tbl").select("x").offset(10).sql() -2118 'SELECT x FROM tbl OFFSET 10' -2119 -2120 Args: -2121 expression (str | int | Expression): the SQL code string to parse. -2122 This can also be an integer. -2123 If a `Offset` instance is passed, this is used as-is. -2124 If another `Expression` instance is passed, it will be wrapped in a `Offset`. -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 modified expression. -2131 """ -2132 return _apply_builder( -2133 expression=expression, -2134 instance=self, -2135 arg="offset", -2136 into=Offset, -2137 prefix="OFFSET", -2138 dialect=dialect, -2139 copy=copy, -2140 **opts, -2141 ) -2142 -2143 def select( -2144 self, -2145 *expressions: str | Expression, -2146 append: bool = True, -2147 dialect: DialectType = None, -2148 copy: bool = True, -2149 **opts, -2150 ) -> Select: -2151 """ -2152 Append to or set the SELECT expressions. -2153 -2154 Example: -2155 >>> Select().select("x", "y").sql() -2156 'SELECT x, y' -2157 -2158 Args: -2159 *expressions: the SQL code strings to parse. -2160 If an `Expression` instance is passed, it will be used as-is. -2161 append: if `True`, add to any existing expressions. -2162 Otherwise, this resets the expressions. -2163 dialect: the dialect used to parse the input expressions. -2164 copy: if `False`, modify this expression instance in-place. -2165 opts: other options to use to parse the input expressions. -2166 -2167 Returns: -2168 Select: the modified expression. -2169 """ -2170 return _apply_list_builder( -2171 *expressions, -2172 instance=self, -2173 arg="expressions", -2174 append=append, -2175 dialect=dialect, -2176 copy=copy, -2177 **opts, -2178 ) -2179 -2180 def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: -2181 """ -2182 Append to or set the LATERAL expressions. -2183 -2184 Example: -2185 >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql() -2186 'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z' +1986 Returns: +1987 Select: the modified expression. +1988 """ +1989 if not expressions: +1990 return self if not copy else self.copy() +1991 return _apply_child_list_builder( +1992 *expressions, +1993 instance=self, +1994 arg="group", +1995 append=append, +1996 copy=copy, +1997 prefix="GROUP BY", +1998 into=Group, +1999 dialect=dialect, +2000 **opts, +2001 ) +2002 +2003 def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: +2004 """ +2005 Set the ORDER BY expression. +2006 +2007 Example: +2008 >>> Select().from_("tbl").select("x").order_by("x DESC").sql() +2009 'SELECT x FROM tbl ORDER BY x DESC' +2010 +2011 Args: +2012 *expressions (str | Expression): the SQL code strings to parse. +2013 If a `Group` instance is passed, this is used as-is. +2014 If another `Expression` instance is passed, it will be wrapped in a `Order`. +2015 append (bool): if `True`, add to any existing expressions. +2016 Otherwise, this flattens all the `Order` expression into a single expression. +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 return _apply_child_list_builder( +2025 *expressions, +2026 instance=self, +2027 arg="order", +2028 append=append, +2029 copy=copy, +2030 prefix="ORDER BY", +2031 into=Order, +2032 dialect=dialect, +2033 **opts, +2034 ) +2035 +2036 def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: +2037 """ +2038 Set the SORT BY expression. +2039 +2040 Example: +2041 >>> Select().from_("tbl").select("x").sort_by("x DESC").sql() +2042 'SELECT x FROM tbl SORT BY x DESC' +2043 +2044 Args: +2045 *expressions (str | Expression): the SQL code strings to parse. +2046 If a `Group` instance is passed, this is used as-is. +2047 If another `Expression` instance is passed, it will be wrapped in a `SORT`. +2048 append (bool): if `True`, add to any existing expressions. +2049 Otherwise, this flattens all the `Order` expression into a single expression. +2050 dialect (str): the dialect used to parse the input expression. +2051 copy (bool): if `False`, modify this expression instance in-place. +2052 opts (kwargs): other options to use to parse the input expressions. +2053 +2054 Returns: +2055 Select: the modified expression. +2056 """ +2057 return _apply_child_list_builder( +2058 *expressions, +2059 instance=self, +2060 arg="sort", +2061 append=append, +2062 copy=copy, +2063 prefix="SORT BY", +2064 into=Sort, +2065 dialect=dialect, +2066 **opts, +2067 ) +2068 +2069 def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: +2070 """ +2071 Set the CLUSTER BY expression. +2072 +2073 Example: +2074 >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql() +2075 'SELECT x FROM tbl CLUSTER BY x DESC' +2076 +2077 Args: +2078 *expressions (str | Expression): the SQL code strings to parse. +2079 If a `Group` instance is passed, this is used as-is. +2080 If another `Expression` instance is passed, it will be wrapped in a `Cluster`. +2081 append (bool): if `True`, add to any existing expressions. +2082 Otherwise, this flattens all the `Order` expression into a single expression. +2083 dialect (str): the dialect used to parse the input expression. +2084 copy (bool): if `False`, modify this expression instance in-place. +2085 opts (kwargs): other options to use to parse the input expressions. +2086 +2087 Returns: +2088 Select: the modified expression. +2089 """ +2090 return _apply_child_list_builder( +2091 *expressions, +2092 instance=self, +2093 arg="cluster", +2094 append=append, +2095 copy=copy, +2096 prefix="CLUSTER BY", +2097 into=Cluster, +2098 dialect=dialect, +2099 **opts, +2100 ) +2101 +2102 def limit(self, expression, dialect=None, copy=True, **opts) -> Select: +2103 """ +2104 Set the LIMIT expression. +2105 +2106 Example: +2107 >>> Select().from_("tbl").select("x").limit(10).sql() +2108 'SELECT x FROM tbl LIMIT 10' +2109 +2110 Args: +2111 expression (str | int | Expression): the SQL code string to parse. +2112 This can also be an integer. +2113 If a `Limit` instance is passed, this is used as-is. +2114 If another `Expression` instance is passed, it will be wrapped in a `Limit`. +2115 dialect (str): the dialect used to parse the input expression. +2116 copy (bool): if `False`, modify this expression instance in-place. +2117 opts (kwargs): other options to use to parse the input expressions. +2118 +2119 Returns: +2120 Select: the modified expression. +2121 """ +2122 return _apply_builder( +2123 expression=expression, +2124 instance=self, +2125 arg="limit", +2126 into=Limit, +2127 prefix="LIMIT", +2128 dialect=dialect, +2129 copy=copy, +2130 **opts, +2131 ) +2132 +2133 def offset(self, expression, dialect=None, copy=True, **opts) -> Select: +2134 """ +2135 Set the OFFSET expression. +2136 +2137 Example: +2138 >>> Select().from_("tbl").select("x").offset(10).sql() +2139 'SELECT x FROM tbl OFFSET 10' +2140 +2141 Args: +2142 expression (str | int | Expression): the SQL code string to parse. +2143 This can also be an integer. +2144 If a `Offset` instance is passed, this is used as-is. +2145 If another `Expression` instance is passed, it will be wrapped in a `Offset`. +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_builder( +2154 expression=expression, +2155 instance=self, +2156 arg="offset", +2157 into=Offset, +2158 prefix="OFFSET", +2159 dialect=dialect, +2160 copy=copy, +2161 **opts, +2162 ) +2163 +2164 def select( +2165 self, +2166 *expressions: str | Expression, +2167 append: bool = True, +2168 dialect: DialectType = None, +2169 copy: bool = True, +2170 **opts, +2171 ) -> Select: +2172 """ +2173 Append to or set the SELECT expressions. +2174 +2175 Example: +2176 >>> Select().select("x", "y").sql() +2177 'SELECT x, y' +2178 +2179 Args: +2180 *expressions: the SQL code strings to parse. +2181 If an `Expression` instance is passed, it will be used as-is. +2182 append: if `True`, add to any existing expressions. +2183 Otherwise, this resets the expressions. +2184 dialect: the dialect used to parse the input expressions. +2185 copy: if `False`, modify this expression instance in-place. +2186 opts: other options to use to parse the input expressions. 2187 -2188 Args: -2189 *expressions (str | Expression): the SQL code strings to parse. -2190 If an `Expression` instance is passed, it will be used as-is. -2191 append (bool): if `True`, add to any existing expressions. -2192 Otherwise, this resets the expressions. -2193 dialect (str): the dialect used to parse the input expressions. -2194 copy (bool): if `False`, modify this expression instance in-place. -2195 opts (kwargs): other options to use to parse the input expressions. -2196 -2197 Returns: -2198 Select: the modified expression. -2199 """ -2200 return _apply_list_builder( -2201 *expressions, -2202 instance=self, -2203 arg="laterals", -2204 append=append, -2205 into=Lateral, -2206 prefix="LATERAL VIEW", -2207 dialect=dialect, -2208 copy=copy, -2209 **opts, -2210 ) -2211 -2212 def join( -2213 self, -2214 expression, -2215 on=None, -2216 using=None, -2217 append=True, -2218 join_type=None, -2219 join_alias=None, -2220 dialect=None, -2221 copy=True, -2222 **opts, -2223 ) -> Select: -2224 """ -2225 Append to or set the JOIN expressions. -2226 -2227 Example: -2228 >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql() -2229 'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y' -2230 -2231 >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql() -2232 'SELECT 1 FROM a JOIN b USING (x, y, z)' -2233 -2234 Use `join_type` to change the type of join: -2235 -2236 >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql() -2237 'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y' -2238 -2239 Args: -2240 expression (str | Expression): the SQL code string to parse. -2241 If an `Expression` instance is passed, it will be used as-is. -2242 on (str | Expression): optionally specify the join "on" criteria as a SQL string. -2243 If an `Expression` instance is passed, it will be used as-is. -2244 using (str | Expression): optionally specify the join "using" criteria as a SQL string. -2245 If an `Expression` instance is passed, it will be used as-is. -2246 append (bool): if `True`, add to any existing expressions. -2247 Otherwise, this resets the expressions. -2248 join_type (str): If set, alter the parsed join type -2249 dialect (str): the dialect used to parse the input expressions. -2250 copy (bool): if `False`, modify this expression instance in-place. -2251 opts (kwargs): other options to use to parse the input expressions. -2252 -2253 Returns: -2254 Select: the modified expression. -2255 """ -2256 parse_args = {"dialect": dialect, **opts} -2257 -2258 try: -2259 expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args) -2260 except ParseError: -2261 expression = maybe_parse(expression, into=(Join, Expression), **parse_args) -2262 -2263 join = expression if isinstance(expression, Join) else Join(this=expression) -2264 -2265 if isinstance(join.this, Select): -2266 join.this.replace(join.this.subquery()) -2267 -2268 if join_type: -2269 natural: t.Optional[Token] -2270 side: t.Optional[Token] -2271 kind: t.Optional[Token] -2272 -2273 natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args) # type: ignore -2274 -2275 if natural: -2276 join.set("natural", True) -2277 if side: -2278 join.set("side", side.text) -2279 if kind: -2280 join.set("kind", kind.text) -2281 -2282 if on: -2283 on = and_(*ensure_collection(on), dialect=dialect, **opts) -2284 join.set("on", on) +2188 Returns: +2189 Select: the modified expression. +2190 """ +2191 return _apply_list_builder( +2192 *expressions, +2193 instance=self, +2194 arg="expressions", +2195 append=append, +2196 dialect=dialect, +2197 copy=copy, +2198 **opts, +2199 ) +2200 +2201 def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: +2202 """ +2203 Append to or set the LATERAL expressions. +2204 +2205 Example: +2206 >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql() +2207 'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z' +2208 +2209 Args: +2210 *expressions (str | Expression): the SQL code strings to parse. +2211 If an `Expression` instance is passed, it will be used as-is. +2212 append (bool): if `True`, add to any existing expressions. +2213 Otherwise, this resets the expressions. +2214 dialect (str): the dialect used to parse the input expressions. +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_list_builder( +2222 *expressions, +2223 instance=self, +2224 arg="laterals", +2225 append=append, +2226 into=Lateral, +2227 prefix="LATERAL VIEW", +2228 dialect=dialect, +2229 copy=copy, +2230 **opts, +2231 ) +2232 +2233 def join( +2234 self, +2235 expression, +2236 on=None, +2237 using=None, +2238 append=True, +2239 join_type=None, +2240 join_alias=None, +2241 dialect=None, +2242 copy=True, +2243 **opts, +2244 ) -> Select: +2245 """ +2246 Append to or set the JOIN expressions. +2247 +2248 Example: +2249 >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql() +2250 'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y' +2251 +2252 >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql() +2253 'SELECT 1 FROM a JOIN b USING (x, y, z)' +2254 +2255 Use `join_type` to change the type of join: +2256 +2257 >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql() +2258 'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y' +2259 +2260 Args: +2261 expression (str | Expression): the SQL code string to parse. +2262 If an `Expression` instance is passed, it will be used as-is. +2263 on (str | Expression): optionally specify the join "on" criteria as a SQL string. +2264 If an `Expression` instance is passed, it will be used as-is. +2265 using (str | Expression): optionally specify the join "using" criteria as a SQL string. +2266 If an `Expression` instance is passed, it will be used as-is. +2267 append (bool): if `True`, add to any existing expressions. +2268 Otherwise, this resets the expressions. +2269 join_type (str): If set, alter the parsed join type +2270 dialect (str): the dialect used to parse the input expressions. +2271 copy (bool): if `False`, modify this expression instance in-place. +2272 opts (kwargs): other options to use to parse the input expressions. +2273 +2274 Returns: +2275 Select: the modified expression. +2276 """ +2277 parse_args = {"dialect": dialect, **opts} +2278 +2279 try: +2280 expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args) +2281 except ParseError: +2282 expression = maybe_parse(expression, into=(Join, Expression), **parse_args) +2283 +2284 join = expression if isinstance(expression, Join) else Join(this=expression) 2285 -2286 if using: -2287 join = _apply_list_builder( -2288 *ensure_collection(using), -2289 instance=join, -2290 arg="using", -2291 append=append, -2292 copy=copy, -2293 **opts, -2294 ) +2286 if isinstance(join.this, Select): +2287 join.this.replace(join.this.subquery()) +2288 +2289 if join_type: +2290 natural: t.Optional[Token] +2291 side: t.Optional[Token] +2292 kind: t.Optional[Token] +2293 +2294 natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args) # type: ignore 2295 -2296 if join_alias: -2297 join.set("this", alias_(join.this, join_alias, table=True)) -2298 return _apply_list_builder( -2299 join, -2300 instance=self, -2301 arg="joins", -2302 append=append, -2303 copy=copy, -2304 **opts, -2305 ) +2296 if natural: +2297 join.set("natural", True) +2298 if side: +2299 join.set("side", side.text) +2300 if kind: +2301 join.set("kind", kind.text) +2302 +2303 if on: +2304 on = and_(*ensure_collection(on), dialect=dialect, **opts) +2305 join.set("on", on) 2306 -2307 def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: -2308 """ -2309 Append to or set the WHERE expressions. -2310 -2311 Example: -2312 >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql() -2313 "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'" -2314 -2315 Args: -2316 *expressions (str | Expression): the SQL code strings to parse. -2317 If an `Expression` instance is passed, it will be used as-is. -2318 Multiple expressions are combined with an AND operator. -2319 append (bool): if `True`, AND the new expressions to any existing expression. -2320 Otherwise, this resets the expression. -2321 dialect (str): the dialect used to parse the input expressions. -2322 copy (bool): if `False`, modify this expression instance in-place. -2323 opts (kwargs): other options to use to parse the input expressions. -2324 -2325 Returns: -2326 Select: the modified expression. -2327 """ -2328 return _apply_conjunction_builder( -2329 *expressions, -2330 instance=self, -2331 arg="where", -2332 append=append, -2333 into=Where, -2334 dialect=dialect, -2335 copy=copy, -2336 **opts, -2337 ) -2338 -2339 def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: -2340 """ -2341 Append to or set the HAVING expressions. -2342 -2343 Example: -2344 >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql() -2345 'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3' -2346 -2347 Args: -2348 *expressions (str | Expression): the SQL code strings to parse. -2349 If an `Expression` instance is passed, it will be used as-is. -2350 Multiple expressions are combined with an AND operator. -2351 append (bool): if `True`, AND the new expressions to any existing expression. -2352 Otherwise, this resets the expression. -2353 dialect (str): the dialect used to parse the input expressions. -2354 copy (bool): if `False`, modify this expression instance in-place. -2355 opts (kwargs): other options to use to parse the input expressions. -2356 -2357 Returns: -2358 Select: the modified expression. -2359 """ -2360 return _apply_conjunction_builder( -2361 *expressions, -2362 instance=self, -2363 arg="having", -2364 append=append, -2365 into=Having, -2366 dialect=dialect, -2367 copy=copy, -2368 **opts, -2369 ) -2370 -2371 def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: -2372 return _apply_list_builder( -2373 *expressions, -2374 instance=self, -2375 arg="windows", -2376 append=append, -2377 into=Window, -2378 dialect=dialect, -2379 copy=copy, -2380 **opts, -2381 ) -2382 -2383 def distinct(self, distinct=True, copy=True) -> Select: -2384 """ -2385 Set the OFFSET expression. -2386 -2387 Example: -2388 >>> Select().from_("tbl").select("x").distinct().sql() -2389 'SELECT DISTINCT x FROM tbl' -2390 -2391 Args: -2392 distinct (bool): whether the Select should be distinct -2393 copy (bool): if `False`, modify this expression instance in-place. -2394 -2395 Returns: -2396 Select: the modified expression. -2397 """ -2398 instance = _maybe_copy(self, copy) -2399 instance.set("distinct", Distinct() if distinct else None) -2400 return instance -2401 -2402 def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create: -2403 """ -2404 Convert this expression to a CREATE TABLE AS statement. -2405 -2406 Example: -2407 >>> Select().select("*").from_("tbl").ctas("x").sql() -2408 'CREATE TABLE x AS SELECT * FROM tbl' -2409 -2410 Args: -2411 table (str | Expression): the SQL code string to parse as the table name. -2412 If another `Expression` instance is passed, it will be used as-is. -2413 properties (dict): an optional mapping of table properties -2414 dialect (str): the dialect used to parse the input table. -2415 copy (bool): if `False`, modify this expression instance in-place. -2416 opts (kwargs): other options to use to parse the input table. -2417 -2418 Returns: -2419 Create: the CREATE TABLE AS expression -2420 """ -2421 instance = _maybe_copy(self, copy) -2422 table_expression = maybe_parse( -2423 table, -2424 into=Table, -2425 dialect=dialect, -2426 **opts, -2427 ) -2428 properties_expression = None -2429 if properties: -2430 properties_expression = Properties.from_dict(properties) -2431 -2432 return Create( -2433 this=table_expression, -2434 kind="table", -2435 expression=instance, -2436 properties=properties_expression, -2437 ) +2307 if using: +2308 join = _apply_list_builder( +2309 *ensure_collection(using), +2310 instance=join, +2311 arg="using", +2312 append=append, +2313 copy=copy, +2314 **opts, +2315 ) +2316 +2317 if join_alias: +2318 join.set("this", alias_(join.this, join_alias, table=True)) +2319 return _apply_list_builder( +2320 join, +2321 instance=self, +2322 arg="joins", +2323 append=append, +2324 copy=copy, +2325 **opts, +2326 ) +2327 +2328 def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: +2329 """ +2330 Append to or set the WHERE expressions. +2331 +2332 Example: +2333 >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql() +2334 "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'" +2335 +2336 Args: +2337 *expressions (str | Expression): the SQL code strings to parse. +2338 If an `Expression` instance is passed, it will be used as-is. +2339 Multiple expressions are combined with an AND operator. +2340 append (bool): if `True`, AND the new expressions to any existing expression. +2341 Otherwise, this resets the expression. +2342 dialect (str): the dialect used to parse the input expressions. +2343 copy (bool): if `False`, modify this expression instance in-place. +2344 opts (kwargs): other options to use to parse the input expressions. +2345 +2346 Returns: +2347 Select: the modified expression. +2348 """ +2349 return _apply_conjunction_builder( +2350 *expressions, +2351 instance=self, +2352 arg="where", +2353 append=append, +2354 into=Where, +2355 dialect=dialect, +2356 copy=copy, +2357 **opts, +2358 ) +2359 +2360 def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: +2361 """ +2362 Append to or set the HAVING expressions. +2363 +2364 Example: +2365 >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql() +2366 'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3' +2367 +2368 Args: +2369 *expressions (str | Expression): the SQL code strings to parse. +2370 If an `Expression` instance is passed, it will be used as-is. +2371 Multiple expressions are combined with an AND operator. +2372 append (bool): if `True`, AND the new expressions to any existing expression. +2373 Otherwise, this resets the expression. +2374 dialect (str): the dialect used to parse the input expressions. +2375 copy (bool): if `False`, modify this expression instance in-place. +2376 opts (kwargs): other options to use to parse the input expressions. +2377 +2378 Returns: +2379 Select: the modified expression. +2380 """ +2381 return _apply_conjunction_builder( +2382 *expressions, +2383 instance=self, +2384 arg="having", +2385 append=append, +2386 into=Having, +2387 dialect=dialect, +2388 copy=copy, +2389 **opts, +2390 ) +2391 +2392 def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select: +2393 return _apply_list_builder( +2394 *expressions, +2395 instance=self, +2396 arg="windows", +2397 append=append, +2398 into=Window, +2399 dialect=dialect, +2400 copy=copy, +2401 **opts, +2402 ) +2403 +2404 def distinct(self, distinct=True, copy=True) -> Select: +2405 """ +2406 Set the OFFSET expression. +2407 +2408 Example: +2409 >>> Select().from_("tbl").select("x").distinct().sql() +2410 'SELECT DISTINCT x FROM tbl' +2411 +2412 Args: +2413 distinct (bool): whether the Select should be distinct +2414 copy (bool): if `False`, modify this expression instance in-place. +2415 +2416 Returns: +2417 Select: the modified expression. +2418 """ +2419 instance = _maybe_copy(self, copy) +2420 instance.set("distinct", Distinct() if distinct else None) +2421 return instance +2422 +2423 def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create: +2424 """ +2425 Convert this expression to a CREATE TABLE AS statement. +2426 +2427 Example: +2428 >>> Select().select("*").from_("tbl").ctas("x").sql() +2429 'CREATE TABLE x AS SELECT * FROM tbl' +2430 +2431 Args: +2432 table (str | Expression): the SQL code string to parse as the table name. +2433 If another `Expression` instance is passed, it will be used as-is. +2434 properties (dict): an optional mapping of table properties +2435 dialect (str): the dialect used to parse the input table. +2436 copy (bool): if `False`, modify this expression instance in-place. +2437 opts (kwargs): other options to use to parse the input table. 2438 -2439 def lock(self, update: bool = True, copy: bool = True) -> Select: -2440 """ -2441 Set the locking read mode for this expression. -2442 -2443 Examples: -2444 >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql") -2445 "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE" -2446 -2447 >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql") -2448 "SELECT x FROM tbl WHERE x = 'a' FOR SHARE" -2449 -2450 Args: -2451 update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`. -2452 copy: if `False`, modify this expression instance in-place. -2453 -2454 Returns: -2455 The modified expression. -2456 """ -2457 -2458 inst = _maybe_copy(self, copy) -2459 inst.set("lock", Lock(update=update)) -2460 -2461 return inst -2462 -2463 @property -2464 def named_selects(self) -> t.List[str]: -2465 return [e.output_name for e in self.expressions if e.alias_or_name] -2466 -2467 @property -2468 def is_star(self) -> bool: -2469 return any(expression.is_star for expression in self.expressions) +2439 Returns: +2440 Create: the CREATE TABLE AS expression +2441 """ +2442 instance = _maybe_copy(self, copy) +2443 table_expression = maybe_parse( +2444 table, +2445 into=Table, +2446 dialect=dialect, +2447 **opts, +2448 ) +2449 properties_expression = None +2450 if properties: +2451 properties_expression = Properties.from_dict(properties) +2452 +2453 return Create( +2454 this=table_expression, +2455 kind="table", +2456 expression=instance, +2457 properties=properties_expression, +2458 ) +2459 +2460 def lock(self, update: bool = True, copy: bool = True) -> Select: +2461 """ +2462 Set the locking read mode for this expression. +2463 +2464 Examples: +2465 >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql") +2466 "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE" +2467 +2468 >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql") +2469 "SELECT x FROM tbl WHERE x = 'a' FOR SHARE" 2470 -2471 @property -2472 def selects(self) -> t.List[Expression]: -2473 return self.expressions +2471 Args: +2472 update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`. +2473 copy: if `False`, modify this expression instance in-place. 2474 -2475 -2476class Subquery(DerivedTable, Unionable): -2477 arg_types = { -2478 "this": True, -2479 "alias": False, -2480 "with": False, -2481 **QUERY_MODIFIERS, -2482 } +2475 Returns: +2476 The modified expression. +2477 """ +2478 +2479 inst = _maybe_copy(self, copy) +2480 inst.set("lock", Lock(update=update)) +2481 +2482 return inst 2483 -2484 def unnest(self): -2485 """ -2486 Returns the first non subquery. -2487 """ -2488 expression = self -2489 while isinstance(expression, Subquery): -2490 expression = expression.this -2491 return expression -2492 -2493 @property -2494 def is_star(self) -> bool: -2495 return self.this.is_star +2484 @property +2485 def named_selects(self) -> t.List[str]: +2486 return [e.output_name for e in self.expressions if e.alias_or_name] +2487 +2488 @property +2489 def is_star(self) -> bool: +2490 return any(expression.is_star for expression in self.expressions) +2491 +2492 @property +2493 def selects(self) -> t.List[Expression]: +2494 return self.expressions +2495 2496 -2497 @property -2498 def output_name(self): -2499 return self.alias -2500 -2501 -2502class TableSample(Expression): -2503 arg_types = { -2504 "this": False, -2505 "method": False, -2506 "bucket_numerator": False, -2507 "bucket_denominator": False, -2508 "bucket_field": False, -2509 "percent": False, -2510 "rows": False, -2511 "size": False, -2512 "seed": False, -2513 } -2514 -2515 -2516class Tag(Expression): -2517 """Tags are used for generating arbitrary sql like SELECT <span>x</span>.""" -2518 -2519 arg_types = { -2520 "this": False, -2521 "prefix": False, -2522 "postfix": False, -2523 } -2524 -2525 -2526class Pivot(Expression): -2527 arg_types = { -2528 "this": False, -2529 "alias": False, -2530 "expressions": True, -2531 "field": True, -2532 "unpivot": True, -2533 } -2534 +2497class Subquery(DerivedTable, Unionable): +2498 arg_types = { +2499 "this": True, +2500 "alias": False, +2501 "with": False, +2502 **QUERY_MODIFIERS, +2503 } +2504 +2505 def unnest(self): +2506 """ +2507 Returns the first non subquery. +2508 """ +2509 expression = self +2510 while isinstance(expression, Subquery): +2511 expression = expression.this +2512 return expression +2513 +2514 @property +2515 def is_star(self) -> bool: +2516 return self.this.is_star +2517 +2518 @property +2519 def output_name(self): +2520 return self.alias +2521 +2522 +2523class TableSample(Expression): +2524 arg_types = { +2525 "this": False, +2526 "method": False, +2527 "bucket_numerator": False, +2528 "bucket_denominator": False, +2529 "bucket_field": False, +2530 "percent": False, +2531 "rows": False, +2532 "size": False, +2533 "seed": False, +2534 } 2535 -2536class Window(Expression): -2537 arg_types = { -2538 "this": True, -2539 "partition_by": False, -2540 "order": False, -2541 "spec": False, -2542 "alias": False, -2543 } -2544 +2536 +2537class Tag(Expression): +2538 """Tags are used for generating arbitrary sql like SELECT <span>x</span>.""" +2539 +2540 arg_types = { +2541 "this": False, +2542 "prefix": False, +2543 "postfix": False, +2544 } 2545 -2546class WindowSpec(Expression): -2547 arg_types = { -2548 "kind": False, -2549 "start": False, -2550 "start_side": False, -2551 "end": False, -2552 "end_side": False, -2553 } -2554 +2546 +2547class Pivot(Expression): +2548 arg_types = { +2549 "this": False, +2550 "alias": False, +2551 "expressions": True, +2552 "field": True, +2553 "unpivot": True, +2554 } 2555 -2556class Where(Expression): -2557 pass -2558 -2559 -2560class Star(Expression): -2561 arg_types = {"except": False, "replace": False} -2562 -2563 @property -2564 def name(self) -> str: -2565 return "*" +2556 +2557class Window(Expression): +2558 arg_types = { +2559 "this": True, +2560 "partition_by": False, +2561 "order": False, +2562 "spec": False, +2563 "alias": False, +2564 } +2565 2566 -2567 @property -2568 def output_name(self): -2569 return self.name -2570 -2571 -2572class Parameter(Expression): -2573 arg_types = {"this": True, "wrapped": False} -2574 +2567class WindowSpec(Expression): +2568 arg_types = { +2569 "kind": False, +2570 "start": False, +2571 "start_side": False, +2572 "end": False, +2573 "end_side": False, +2574 } 2575 -2576class SessionParameter(Expression): -2577 arg_types = {"this": True, "kind": False} -2578 +2576 +2577class Where(Expression): +2578 pass 2579 -2580class Placeholder(Expression): -2581 arg_types = {"this": False} -2582 +2580 +2581class Star(Expression): +2582 arg_types = {"except": False, "replace": False} 2583 -2584class Null(Condition): -2585 arg_types: t.Dict[str, t.Any] = {} -2586 -2587 @property -2588 def name(self) -> str: -2589 return "NULL" -2590 +2584 @property +2585 def name(self) -> str: +2586 return "*" +2587 +2588 @property +2589 def output_name(self): +2590 return self.name 2591 -2592class Boolean(Condition): -2593 pass -2594 +2592 +2593class Parameter(Expression): +2594 arg_types = {"this": True, "wrapped": False} 2595 -2596class DataType(Expression): -2597 arg_types = { -2598 "this": True, -2599 "expressions": False, -2600 "nested": False, -2601 "values": False, -2602 "prefix": False, -2603 } +2596 +2597class SessionParameter(Expression): +2598 arg_types = {"this": True, "kind": False} +2599 +2600 +2601class Placeholder(Expression): +2602 arg_types = {"this": False} +2603 2604 -2605 class Type(AutoName): -2606 CHAR = auto() -2607 NCHAR = auto() -2608 VARCHAR = auto() -2609 NVARCHAR = auto() -2610 TEXT = auto() -2611 MEDIUMTEXT = auto() -2612 LONGTEXT = auto() -2613 MEDIUMBLOB = auto() -2614 LONGBLOB = auto() -2615 BINARY = auto() -2616 VARBINARY = auto() -2617 INT = auto() -2618 TINYINT = auto() -2619 SMALLINT = auto() -2620 BIGINT = auto() -2621 FLOAT = auto() -2622 DOUBLE = auto() -2623 DECIMAL = auto() -2624 BOOLEAN = auto() -2625 JSON = auto() -2626 JSONB = auto() -2627 INTERVAL = auto() -2628 TIME = auto() -2629 TIMESTAMP = auto() -2630 TIMESTAMPTZ = auto() -2631 TIMESTAMPLTZ = auto() -2632 DATE = auto() -2633 DATETIME = auto() -2634 ARRAY = auto() -2635 MAP = auto() -2636 UUID = auto() -2637 GEOGRAPHY = auto() -2638 GEOMETRY = auto() -2639 STRUCT = auto() -2640 NULLABLE = auto() -2641 HLLSKETCH = auto() -2642 HSTORE = auto() -2643 SUPER = auto() -2644 SERIAL = auto() -2645 SMALLSERIAL = auto() -2646 BIGSERIAL = auto() -2647 XML = auto() -2648 UNIQUEIDENTIFIER = auto() -2649 MONEY = auto() -2650 SMALLMONEY = auto() -2651 ROWVERSION = auto() -2652 IMAGE = auto() -2653 VARIANT = auto() -2654 OBJECT = auto() -2655 INET = auto() -2656 NULL = auto() -2657 UNKNOWN = auto() # Sentinel value, useful for type annotation -2658 -2659 TEXT_TYPES = { -2660 Type.CHAR, -2661 Type.NCHAR, -2662 Type.VARCHAR, -2663 Type.NVARCHAR, -2664 Type.TEXT, -2665 } -2666 -2667 INTEGER_TYPES = { -2668 Type.INT, -2669 Type.TINYINT, -2670 Type.SMALLINT, -2671 Type.BIGINT, -2672 } -2673 -2674 FLOAT_TYPES = { -2675 Type.FLOAT, -2676 Type.DOUBLE, -2677 } -2678 -2679 NUMERIC_TYPES = {*INTEGER_TYPES, *FLOAT_TYPES} -2680 -2681 TEMPORAL_TYPES = { -2682 Type.TIMESTAMP, -2683 Type.TIMESTAMPTZ, -2684 Type.TIMESTAMPLTZ, -2685 Type.DATE, -2686 Type.DATETIME, -2687 } -2688 -2689 @classmethod -2690 def build( -2691 cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs -2692 ) -> DataType: -2693 from sqlglot import parse_one +2605class Null(Condition): +2606 arg_types: t.Dict[str, t.Any] = {} +2607 +2608 @property +2609 def name(self) -> str: +2610 return "NULL" +2611 +2612 +2613class Boolean(Condition): +2614 pass +2615 +2616 +2617class DataType(Expression): +2618 arg_types = { +2619 "this": True, +2620 "expressions": False, +2621 "nested": False, +2622 "values": False, +2623 "prefix": False, +2624 } +2625 +2626 class Type(AutoName): +2627 CHAR = auto() +2628 NCHAR = auto() +2629 VARCHAR = auto() +2630 NVARCHAR = auto() +2631 TEXT = auto() +2632 MEDIUMTEXT = auto() +2633 LONGTEXT = auto() +2634 MEDIUMBLOB = auto() +2635 LONGBLOB = auto() +2636 BINARY = auto() +2637 VARBINARY = auto() +2638 INT = auto() +2639 TINYINT = auto() +2640 SMALLINT = auto() +2641 BIGINT = auto() +2642 FLOAT = auto() +2643 DOUBLE = auto() +2644 DECIMAL = auto() +2645 BOOLEAN = auto() +2646 JSON = auto() +2647 JSONB = auto() +2648 INTERVAL = auto() +2649 TIME = auto() +2650 TIMESTAMP = auto() +2651 TIMESTAMPTZ = auto() +2652 TIMESTAMPLTZ = auto() +2653 DATE = auto() +2654 DATETIME = auto() +2655 ARRAY = auto() +2656 MAP = auto() +2657 UUID = auto() +2658 GEOGRAPHY = auto() +2659 GEOMETRY = auto() +2660 STRUCT = auto() +2661 NULLABLE = auto() +2662 HLLSKETCH = auto() +2663 HSTORE = auto() +2664 SUPER = auto() +2665 SERIAL = auto() +2666 SMALLSERIAL = auto() +2667 BIGSERIAL = auto() +2668 XML = auto() +2669 UNIQUEIDENTIFIER = auto() +2670 MONEY = auto() +2671 SMALLMONEY = auto() +2672 ROWVERSION = auto() +2673 IMAGE = auto() +2674 VARIANT = auto() +2675 OBJECT = auto() +2676 INET = auto() +2677 NULL = auto() +2678 UNKNOWN = auto() # Sentinel value, useful for type annotation +2679 +2680 TEXT_TYPES = { +2681 Type.CHAR, +2682 Type.NCHAR, +2683 Type.VARCHAR, +2684 Type.NVARCHAR, +2685 Type.TEXT, +2686 } +2687 +2688 INTEGER_TYPES = { +2689 Type.INT, +2690 Type.TINYINT, +2691 Type.SMALLINT, +2692 Type.BIGINT, +2693 } 2694 -2695 if isinstance(dtype, str): -2696 if dtype.upper() in cls.Type.__members__: -2697 data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()]) -2698 else: -2699 data_type_exp = parse_one(dtype, read=dialect, into=DataType) -2700 if data_type_exp is None: -2701 raise ValueError(f"Unparsable data type value: {dtype}") -2702 elif isinstance(dtype, DataType.Type): -2703 data_type_exp = DataType(this=dtype) -2704 elif isinstance(dtype, DataType): -2705 return dtype -2706 else: -2707 raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type") -2708 return DataType(**{**data_type_exp.args, **kwargs}) +2695 FLOAT_TYPES = { +2696 Type.FLOAT, +2697 Type.DOUBLE, +2698 } +2699 +2700 NUMERIC_TYPES = {*INTEGER_TYPES, *FLOAT_TYPES} +2701 +2702 TEMPORAL_TYPES = { +2703 Type.TIMESTAMP, +2704 Type.TIMESTAMPTZ, +2705 Type.TIMESTAMPLTZ, +2706 Type.DATE, +2707 Type.DATETIME, +2708 } 2709 -2710 def is_type(self, dtype: DataType.Type) -> bool: -2711 return self.this == dtype -2712 -2713 -2714# https://www.postgresql.org/docs/15/datatype-pseudo.html -2715class PseudoType(Expression): -2716 pass -2717 -2718 -2719class StructKwarg(Expression): -2720 arg_types = {"this": True, "expression": True} -2721 -2722 -2723# WHERE x <OP> EXISTS|ALL|ANY|SOME(SELECT ...) -2724class SubqueryPredicate(Predicate): -2725 pass -2726 -2727 -2728class All(SubqueryPredicate): -2729 pass +2710 @classmethod +2711 def build( +2712 cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs +2713 ) -> DataType: +2714 from sqlglot import parse_one +2715 +2716 if isinstance(dtype, str): +2717 if dtype.upper() in cls.Type.__members__: +2718 data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()]) +2719 else: +2720 data_type_exp = parse_one(dtype, read=dialect, into=DataType) +2721 if data_type_exp is None: +2722 raise ValueError(f"Unparsable data type value: {dtype}") +2723 elif isinstance(dtype, DataType.Type): +2724 data_type_exp = DataType(this=dtype) +2725 elif isinstance(dtype, DataType): +2726 return dtype +2727 else: +2728 raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type") +2729 return DataType(**{**data_type_exp.args, **kwargs}) 2730 -2731 -2732class Any(SubqueryPredicate): -2733 pass +2731 def is_type(self, dtype: DataType.Type) -> bool: +2732 return self.this == dtype +2733 2734 -2735 -2736class Exists(SubqueryPredicate): +2735# https://www.postgresql.org/docs/15/datatype-pseudo.html +2736class PseudoType(Expression): 2737 pass 2738 2739 -2740# Commands to interact with the databases or engines. For most of the command -2741# expressions we parse whatever comes after the command's name as a string. -2742class Command(Expression): -2743 arg_types = {"this": True, "expression": False} -2744 -2745 -2746class Transaction(Expression): -2747 arg_types = {"this": False, "modes": False} +2740class StructKwarg(Expression): +2741 arg_types = {"this": True, "expression": True} +2742 +2743 +2744# WHERE x <OP> EXISTS|ALL|ANY|SOME(SELECT ...) +2745class SubqueryPredicate(Predicate): +2746 pass +2747 2748 -2749 -2750class Commit(Expression): -2751 arg_types = {"chain": False} +2749class All(SubqueryPredicate): +2750 pass +2751 2752 -2753 -2754class Rollback(Expression): -2755 arg_types = {"savepoint": False} +2753class Any(SubqueryPredicate): +2754 pass +2755 2756 -2757 -2758class AlterTable(Expression): -2759 arg_types = {"this": True, "actions": True, "exists": False} +2757class Exists(SubqueryPredicate): +2758 pass +2759 2760 -2761 -2762class AddConstraint(Expression): -2763 arg_types = {"this": False, "expression": False, "enforced": False} -2764 +2761# Commands to interact with the databases or engines. For most of the command +2762# expressions we parse whatever comes after the command's name as a string. +2763class Command(Expression): +2764 arg_types = {"this": True, "expression": False} 2765 -2766class DropPartition(Expression): -2767 arg_types = {"expressions": True, "exists": False} -2768 +2766 +2767class Transaction(Expression): +2768 arg_types = {"this": False, "modes": False} 2769 -2770# Binary expressions like (ADD a b) -2771class Binary(Expression): -2772 arg_types = {"this": True, "expression": True} +2770 +2771class Commit(Expression): +2772 arg_types = {"chain": False} 2773 -2774 @property -2775 def left(self): -2776 return self.this +2774 +2775class Rollback(Expression): +2776 arg_types = {"savepoint": False} 2777 -2778 @property -2779 def right(self): -2780 return self.expression +2778 +2779class AlterTable(Expression): +2780 arg_types = {"this": True, "actions": True, "exists": False} 2781 2782 -2783class Add(Binary): -2784 pass +2783class AddConstraint(Expression): +2784 arg_types = {"this": False, "expression": False, "enforced": False} 2785 2786 -2787class Connector(Binary, Condition): -2788 pass +2787class DropPartition(Expression): +2788 arg_types = {"expressions": True, "exists": False} 2789 2790 -2791class And(Connector): -2792 pass -2793 +2791# Binary expressions like (ADD a b) +2792class Binary(Expression): +2793 arg_types = {"this": True, "expression": True} 2794 -2795class Or(Connector): -2796 pass -2797 +2795 @property +2796 def left(self): +2797 return self.this 2798 -2799class BitwiseAnd(Binary): -2800 pass -2801 +2799 @property +2800 def right(self): +2801 return self.expression 2802 -2803class BitwiseLeftShift(Binary): -2804 pass -2805 +2803 +2804class Add(Binary): +2805 pass 2806 -2807class BitwiseOr(Binary): -2808 pass -2809 +2807 +2808class Connector(Binary, Condition): +2809 pass 2810 -2811class BitwiseRightShift(Binary): -2812 pass -2813 +2811 +2812class And(Connector): +2813 pass 2814 -2815class BitwiseXor(Binary): -2816 pass -2817 +2815 +2816class Or(Connector): +2817 pass 2818 -2819class Div(Binary): -2820 pass -2821 +2819 +2820class BitwiseAnd(Binary): +2821 pass 2822 -2823class Dot(Binary): -2824 @property -2825 def name(self) -> str: -2826 return self.expression.name +2823 +2824class BitwiseLeftShift(Binary): +2825 pass +2826 2827 -2828 -2829class DPipe(Binary): -2830 pass +2828class BitwiseOr(Binary): +2829 pass +2830 2831 -2832 -2833class EQ(Binary, Predicate): -2834 pass +2832class BitwiseRightShift(Binary): +2833 pass +2834 2835 -2836 -2837class NullSafeEQ(Binary, Predicate): -2838 pass +2836class BitwiseXor(Binary): +2837 pass +2838 2839 -2840 -2841class NullSafeNEQ(Binary, Predicate): -2842 pass +2840class Div(Binary): +2841 pass +2842 2843 -2844 -2845class Distance(Binary): -2846 pass +2844class Overlaps(Binary): +2845 pass +2846 2847 -2848 -2849class Escape(Binary): -2850 pass -2851 +2848class Dot(Binary): +2849 @property +2850 def name(self) -> str: +2851 return self.expression.name 2852 -2853class Glob(Binary, Predicate): -2854 pass -2855 +2853 +2854class DPipe(Binary): +2855 pass 2856 -2857class GT(Binary, Predicate): -2858 pass -2859 +2857 +2858class EQ(Binary, Predicate): +2859 pass 2860 -2861class GTE(Binary, Predicate): -2862 pass -2863 +2861 +2862class NullSafeEQ(Binary, Predicate): +2863 pass 2864 -2865class ILike(Binary, Predicate): -2866 pass -2867 +2865 +2866class NullSafeNEQ(Binary, Predicate): +2867 pass 2868 -2869class ILikeAny(Binary, Predicate): -2870 pass -2871 +2869 +2870class Distance(Binary): +2871 pass 2872 -2873class IntDiv(Binary): -2874 pass -2875 +2873 +2874class Escape(Binary): +2875 pass 2876 -2877class Is(Binary, Predicate): -2878 pass -2879 +2877 +2878class Glob(Binary, Predicate): +2879 pass 2880 -2881class Kwarg(Binary): -2882 """Kwarg in special functions like func(kwarg => y).""" -2883 +2881 +2882class GT(Binary, Predicate): +2883 pass 2884 -2885class Like(Binary, Predicate): -2886 pass -2887 +2885 +2886class GTE(Binary, Predicate): +2887 pass 2888 -2889class LikeAny(Binary, Predicate): -2890 pass -2891 +2889 +2890class ILike(Binary, Predicate): +2891 pass 2892 -2893class LT(Binary, Predicate): -2894 pass -2895 +2893 +2894class ILikeAny(Binary, Predicate): +2895 pass 2896 -2897class LTE(Binary, Predicate): -2898 pass -2899 +2897 +2898class IntDiv(Binary): +2899 pass 2900 -2901class Mod(Binary): -2902 pass -2903 +2901 +2902class Is(Binary, Predicate): +2903 pass 2904 -2905class Mul(Binary): -2906 pass -2907 +2905 +2906class Kwarg(Binary): +2907 """Kwarg in special functions like func(kwarg => y).""" 2908 -2909class NEQ(Binary, Predicate): -2910 pass -2911 +2909 +2910class Like(Binary, Predicate): +2911 pass 2912 -2913class SimilarTo(Binary, Predicate): -2914 pass -2915 +2913 +2914class LikeAny(Binary, Predicate): +2915 pass 2916 -2917class Slice(Binary): -2918 arg_types = {"this": False, "expression": False} -2919 +2917 +2918class LT(Binary, Predicate): +2919 pass 2920 -2921class Sub(Binary): -2922 pass -2923 +2921 +2922class LTE(Binary, Predicate): +2923 pass 2924 -2925# Unary Expressions -2926# (NOT a) -2927class Unary(Expression): -2928 pass +2925 +2926class Mod(Binary): +2927 pass +2928 2929 -2930 -2931class BitwiseNot(Unary): -2932 pass +2930class Mul(Binary): +2931 pass +2932 2933 -2934 -2935class Not(Unary, Condition): -2936 pass +2934class NEQ(Binary, Predicate): +2935 pass +2936 2937 -2938 -2939class Paren(Unary, Condition): -2940 arg_types = {"this": True, "with": False} +2938class SimilarTo(Binary, Predicate): +2939 pass +2940 2941 -2942 -2943class Neg(Unary): -2944 pass +2942class Slice(Binary): +2943 arg_types = {"this": False, "expression": False} +2944 2945 -2946 -2947# Special Functions -2948class Alias(Expression): -2949 arg_types = {"this": True, "alias": False} -2950 -2951 @property -2952 def output_name(self): -2953 return self.alias +2946class Sub(Binary): +2947 pass +2948 +2949 +2950# Unary Expressions +2951# (NOT a) +2952class Unary(Expression): +2953 pass 2954 2955 -2956class Aliases(Expression): -2957 arg_types = {"this": True, "expressions": True} +2956class BitwiseNot(Unary): +2957 pass 2958 -2959 @property -2960 def aliases(self): -2961 return self.expressions +2959 +2960class Not(Unary, Condition): +2961 pass 2962 2963 -2964class AtTimeZone(Expression): -2965 arg_types = {"this": True, "zone": True} +2964class Paren(Unary, Condition): +2965 arg_types = {"this": True, "with": False} 2966 2967 -2968class Between(Predicate): -2969 arg_types = {"this": True, "low": True, "high": True} +2968class Neg(Unary): +2969 pass 2970 2971 -2972class Bracket(Condition): -2973 arg_types = {"this": True, "expressions": True} -2974 +2972# Special Functions +2973class Alias(Expression): +2974 arg_types = {"this": True, "alias": False} 2975 -2976class Distinct(Expression): -2977 arg_types = {"expressions": False, "on": False} -2978 +2976 @property +2977 def output_name(self): +2978 return self.alias 2979 -2980class In(Predicate): -2981 arg_types = { -2982 "this": True, -2983 "expressions": False, -2984 "query": False, -2985 "unnest": False, -2986 "field": False, -2987 "is_global": False, -2988 } -2989 -2990 -2991class TimeUnit(Expression): -2992 """Automatically converts unit arg into a var.""" -2993 -2994 arg_types = {"unit": False} +2980 +2981class Aliases(Expression): +2982 arg_types = {"this": True, "expressions": True} +2983 +2984 @property +2985 def aliases(self): +2986 return self.expressions +2987 +2988 +2989class AtTimeZone(Expression): +2990 arg_types = {"this": True, "zone": True} +2991 +2992 +2993class Between(Predicate): +2994 arg_types = {"this": True, "low": True, "high": True} 2995 -2996 def __init__(self, **args): -2997 unit = args.get("unit") -2998 if isinstance(unit, Column): -2999 args["unit"] = Var(this=unit.name) -3000 elif isinstance(unit, Week): -3001 unit.set("this", Var(this=unit.this.name)) -3002 super().__init__(**args) +2996 +2997class Bracket(Condition): +2998 arg_types = {"this": True, "expressions": True} +2999 +3000 +3001class Distinct(Expression): +3002 arg_types = {"expressions": False, "on": False} 3003 3004 -3005class Interval(TimeUnit): -3006 arg_types = {"this": False, "unit": False} -3007 -3008 -3009class IgnoreNulls(Expression): -3010 pass -3011 -3012 -3013class RespectNulls(Expression): -3014 pass +3005class In(Predicate): +3006 arg_types = { +3007 "this": True, +3008 "expressions": False, +3009 "query": False, +3010 "unnest": False, +3011 "field": False, +3012 "is_global": False, +3013 } +3014 3015 -3016 -3017# Functions -3018class Func(Condition): -3019 """ -3020 The base class for all function expressions. -3021 -3022 Attributes: -3023 is_var_len_args (bool): if set to True the last argument defined in arg_types will be -3024 treated as a variable length argument and the argument's value will be stored as a list. -3025 _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items) -3026 for this function expression. These values are used to map this node to a name during parsing -3027 as well as to provide the function's name during SQL string generation. By default the SQL -3028 name is set to the expression's class name transformed to snake case. -3029 """ -3030 -3031 is_var_len_args = False +3016class TimeUnit(Expression): +3017 """Automatically converts unit arg into a var.""" +3018 +3019 arg_types = {"unit": False} +3020 +3021 def __init__(self, **args): +3022 unit = args.get("unit") +3023 if isinstance(unit, Column): +3024 args["unit"] = Var(this=unit.name) +3025 elif isinstance(unit, Week): +3026 unit.set("this", Var(this=unit.this.name)) +3027 super().__init__(**args) +3028 +3029 +3030class Interval(TimeUnit): +3031 arg_types = {"this": False, "unit": False} 3032 -3033 @classmethod -3034 def from_arg_list(cls, args): -3035 if cls.is_var_len_args: -3036 all_arg_keys = list(cls.arg_types) -3037 # If this function supports variable length argument treat the last argument as such. -3038 non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys -3039 num_non_var = len(non_var_len_arg_keys) +3033 +3034class IgnoreNulls(Expression): +3035 pass +3036 +3037 +3038class RespectNulls(Expression): +3039 pass 3040 -3041 args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)} -3042 args_dict[all_arg_keys[-1]] = args[num_non_var:] -3043 else: -3044 args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)} -3045 -3046 return cls(**args_dict) -3047 -3048 @classmethod -3049 def sql_names(cls): -3050 if cls is Func: -3051 raise NotImplementedError( -3052 "SQL name is only supported by concrete function implementations" -3053 ) -3054 if "_sql_names" not in cls.__dict__: -3055 cls._sql_names = [camel_to_snake_case(cls.__name__)] -3056 return cls._sql_names +3041 +3042# Functions +3043class Func(Condition): +3044 """ +3045 The base class for all function expressions. +3046 +3047 Attributes: +3048 is_var_len_args (bool): if set to True the last argument defined in arg_types will be +3049 treated as a variable length argument and the argument's value will be stored as a list. +3050 _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items) +3051 for this function expression. These values are used to map this node to a name during parsing +3052 as well as to provide the function's name during SQL string generation. By default the SQL +3053 name is set to the expression's class name transformed to snake case. +3054 """ +3055 +3056 is_var_len_args = False 3057 3058 @classmethod -3059 def sql_name(cls): -3060 return cls.sql_names()[0] -3061 -3062 @classmethod -3063 def default_parser_mappings(cls): -3064 return {name: cls.from_arg_list for name in cls.sql_names()} +3059 def from_arg_list(cls, args): +3060 if cls.is_var_len_args: +3061 all_arg_keys = list(cls.arg_types) +3062 # If this function supports variable length argument treat the last argument as such. +3063 non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys +3064 num_non_var = len(non_var_len_arg_keys) 3065 -3066 -3067class AggFunc(Func): -3068 pass -3069 +3066 args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)} +3067 args_dict[all_arg_keys[-1]] = args[num_non_var:] +3068 else: +3069 args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)} 3070 -3071class Abs(Func): -3072 pass -3073 -3074 -3075class Anonymous(Func): -3076 arg_types = {"this": True, "expressions": False} -3077 is_var_len_args = True -3078 -3079 -3080class ApproxDistinct(AggFunc): -3081 arg_types = {"this": True, "accuracy": False} +3071 return cls(**args_dict) +3072 +3073 @classmethod +3074 def sql_names(cls): +3075 if cls is Func: +3076 raise NotImplementedError( +3077 "SQL name is only supported by concrete function implementations" +3078 ) +3079 if "_sql_names" not in cls.__dict__: +3080 cls._sql_names = [camel_to_snake_case(cls.__name__)] +3081 return cls._sql_names 3082 -3083 -3084class Array(Func): -3085 arg_types = {"expressions": False} -3086 is_var_len_args = True -3087 -3088 -3089class GenerateSeries(Func): -3090 arg_types = {"start": True, "end": True, "step": False} +3083 @classmethod +3084 def sql_name(cls): +3085 return cls.sql_names()[0] +3086 +3087 @classmethod +3088 def default_parser_mappings(cls): +3089 return {name: cls.from_arg_list for name in cls.sql_names()} +3090 3091 -3092 -3093class ArrayAgg(AggFunc): -3094 pass +3092class AggFunc(Func): +3093 pass +3094 3095 -3096 -3097class ArrayAll(Func): -3098 arg_types = {"this": True, "expression": True} +3096class Abs(Func): +3097 pass +3098 3099 -3100 -3101class ArrayAny(Func): -3102 arg_types = {"this": True, "expression": True} +3100class Anonymous(Func): +3101 arg_types = {"this": True, "expressions": False} +3102 is_var_len_args = True 3103 3104 -3105class ArrayConcat(Func): -3106 arg_types = {"this": True, "expressions": False} -3107 is_var_len_args = True +3105class ApproxDistinct(AggFunc): +3106 arg_types = {"this": True, "accuracy": False} +3107 3108 -3109 -3110class ArrayContains(Func): -3111 arg_types = {"this": True, "expression": True} +3109class Array(Func): +3110 arg_types = {"expressions": False} +3111 is_var_len_args = True 3112 3113 -3114class ArrayFilter(Func): -3115 arg_types = {"this": True, "expression": True} -3116 _sql_names = ["FILTER", "ARRAY_FILTER"] +3114class GenerateSeries(Func): +3115 arg_types = {"start": True, "end": True, "step": False} +3116 3117 -3118 -3119class ArraySize(Func): -3120 arg_types = {"this": True, "expression": False} +3118class ArrayAgg(AggFunc): +3119 pass +3120 3121 -3122 -3123class ArraySort(Func): -3124 arg_types = {"this": True, "expression": False} +3122class ArrayAll(Func): +3123 arg_types = {"this": True, "expression": True} +3124 3125 -3126 -3127class ArraySum(Func): -3128 pass +3126class ArrayAny(Func): +3127 arg_types = {"this": True, "expression": True} +3128 3129 -3130 -3131class ArrayUnionAgg(AggFunc): -3132 pass +3130class ArrayConcat(Func): +3131 arg_types = {"this": True, "expressions": False} +3132 is_var_len_args = True 3133 3134 -3135class Avg(AggFunc): -3136 pass +3135class ArrayContains(Func): +3136 arg_types = {"this": True, "expression": True} 3137 3138 -3139class AnyValue(AggFunc): -3140 pass -3141 +3139class ArrayFilter(Func): +3140 arg_types = {"this": True, "expression": True} +3141 _sql_names = ["FILTER", "ARRAY_FILTER"] 3142 -3143class Case(Func): -3144 arg_types = {"this": False, "ifs": True, "default": False} -3145 +3143 +3144class ArrayJoin(Func): +3145 arg_types = {"this": True, "expression": True, "null": False} 3146 -3147class Cast(Func): -3148 arg_types = {"this": True, "to": True} -3149 -3150 @property -3151 def name(self) -> str: -3152 return self.this.name -3153 -3154 @property -3155 def to(self): -3156 return self.args["to"] -3157 -3158 @property -3159 def output_name(self): -3160 return self.name -3161 -3162 def is_type(self, dtype: DataType.Type) -> bool: -3163 return self.to.is_type(dtype) -3164 -3165 -3166class Collate(Binary): -3167 pass -3168 -3169 -3170class TryCast(Cast): -3171 pass -3172 -3173 -3174class Ceil(Func): -3175 arg_types = {"this": True, "decimals": False} -3176 _sql_names = ["CEIL", "CEILING"] -3177 +3147 +3148class ArraySize(Func): +3149 arg_types = {"this": True, "expression": False} +3150 +3151 +3152class ArraySort(Func): +3153 arg_types = {"this": True, "expression": False} +3154 +3155 +3156class ArraySum(Func): +3157 pass +3158 +3159 +3160class ArrayUnionAgg(AggFunc): +3161 pass +3162 +3163 +3164class Avg(AggFunc): +3165 pass +3166 +3167 +3168class AnyValue(AggFunc): +3169 pass +3170 +3171 +3172class Case(Func): +3173 arg_types = {"this": False, "ifs": True, "default": False} +3174 +3175 +3176class Cast(Func): +3177 arg_types = {"this": True, "to": True} 3178 -3179class Coalesce(Func): -3180 arg_types = {"this": True, "expressions": False} -3181 is_var_len_args = True +3179 @property +3180 def name(self) -> str: +3181 return self.this.name 3182 -3183 -3184class Concat(Func): -3185 arg_types = {"expressions": True} -3186 is_var_len_args = True -3187 -3188 -3189class ConcatWs(Concat): -3190 _sql_names = ["CONCAT_WS"] -3191 -3192 -3193class Count(AggFunc): -3194 arg_types = {"this": False} -3195 -3196 -3197class CurrentDate(Func): -3198 arg_types = {"this": False} -3199 -3200 -3201class CurrentDatetime(Func): -3202 arg_types = {"this": False} -3203 -3204 -3205class CurrentTime(Func): -3206 arg_types = {"this": False} +3183 @property +3184 def to(self): +3185 return self.args["to"] +3186 +3187 @property +3188 def output_name(self): +3189 return self.name +3190 +3191 def is_type(self, dtype: DataType.Type) -> bool: +3192 return self.to.is_type(dtype) +3193 +3194 +3195class Collate(Binary): +3196 pass +3197 +3198 +3199class TryCast(Cast): +3200 pass +3201 +3202 +3203class Ceil(Func): +3204 arg_types = {"this": True, "decimals": False} +3205 _sql_names = ["CEIL", "CEILING"] +3206 3207 -3208 -3209class CurrentTimestamp(Func): -3210 arg_types = {"this": False} +3208class Coalesce(Func): +3209 arg_types = {"this": True, "expressions": False} +3210 is_var_len_args = True 3211 3212 -3213class DateAdd(Func, TimeUnit): -3214 arg_types = {"this": True, "expression": True, "unit": False} -3215 +3213class Concat(Func): +3214 arg_types = {"expressions": True} +3215 is_var_len_args = True 3216 -3217class DateSub(Func, TimeUnit): -3218 arg_types = {"this": True, "expression": True, "unit": False} -3219 +3217 +3218class ConcatWs(Concat): +3219 _sql_names = ["CONCAT_WS"] 3220 -3221class DateDiff(Func, TimeUnit): -3222 arg_types = {"this": True, "expression": True, "unit": False} -3223 +3221 +3222class Count(AggFunc): +3223 arg_types = {"this": False} 3224 -3225class DateTrunc(Func): -3226 arg_types = {"unit": True, "this": True, "zone": False} -3227 +3225 +3226class CurrentDate(Func): +3227 arg_types = {"this": False} 3228 -3229class DatetimeAdd(Func, TimeUnit): -3230 arg_types = {"this": True, "expression": True, "unit": False} -3231 +3229 +3230class CurrentDatetime(Func): +3231 arg_types = {"this": False} 3232 -3233class DatetimeSub(Func, TimeUnit): -3234 arg_types = {"this": True, "expression": True, "unit": False} -3235 +3233 +3234class CurrentTime(Func): +3235 arg_types = {"this": False} 3236 -3237class DatetimeDiff(Func, TimeUnit): -3238 arg_types = {"this": True, "expression": True, "unit": False} -3239 +3237 +3238class CurrentTimestamp(Func): +3239 arg_types = {"this": False} 3240 -3241class DatetimeTrunc(Func, TimeUnit): -3242 arg_types = {"this": True, "unit": True, "zone": False} -3243 +3241 +3242class DateAdd(Func, TimeUnit): +3243 arg_types = {"this": True, "expression": True, "unit": False} 3244 -3245class DayOfWeek(Func): -3246 _sql_names = ["DAY_OF_WEEK", "DAYOFWEEK"] -3247 +3245 +3246class DateSub(Func, TimeUnit): +3247 arg_types = {"this": True, "expression": True, "unit": False} 3248 -3249class DayOfMonth(Func): -3250 _sql_names = ["DAY_OF_MONTH", "DAYOFMONTH"] -3251 +3249 +3250class DateDiff(Func, TimeUnit): +3251 arg_types = {"this": True, "expression": True, "unit": False} 3252 -3253class DayOfYear(Func): -3254 _sql_names = ["DAY_OF_YEAR", "DAYOFYEAR"] -3255 +3253 +3254class DateTrunc(Func): +3255 arg_types = {"unit": True, "this": True, "zone": False} 3256 -3257class WeekOfYear(Func): -3258 _sql_names = ["WEEK_OF_YEAR", "WEEKOFYEAR"] -3259 +3257 +3258class DatetimeAdd(Func, TimeUnit): +3259 arg_types = {"this": True, "expression": True, "unit": False} 3260 -3261class LastDateOfMonth(Func): -3262 pass -3263 +3261 +3262class DatetimeSub(Func, TimeUnit): +3263 arg_types = {"this": True, "expression": True, "unit": False} 3264 -3265class Extract(Func): -3266 arg_types = {"this": True, "expression": True} -3267 +3265 +3266class DatetimeDiff(Func, TimeUnit): +3267 arg_types = {"this": True, "expression": True, "unit": False} 3268 -3269class TimestampAdd(Func, TimeUnit): -3270 arg_types = {"this": True, "expression": True, "unit": False} -3271 +3269 +3270class DatetimeTrunc(Func, TimeUnit): +3271 arg_types = {"this": True, "unit": True, "zone": False} 3272 -3273class TimestampSub(Func, TimeUnit): -3274 arg_types = {"this": True, "expression": True, "unit": False} -3275 +3273 +3274class DayOfWeek(Func): +3275 _sql_names = ["DAY_OF_WEEK", "DAYOFWEEK"] 3276 -3277class TimestampDiff(Func, TimeUnit): -3278 arg_types = {"this": True, "expression": True, "unit": False} -3279 +3277 +3278class DayOfMonth(Func): +3279 _sql_names = ["DAY_OF_MONTH", "DAYOFMONTH"] 3280 -3281class TimestampTrunc(Func, TimeUnit): -3282 arg_types = {"this": True, "unit": True, "zone": False} -3283 +3281 +3282class DayOfYear(Func): +3283 _sql_names = ["DAY_OF_YEAR", "DAYOFYEAR"] 3284 -3285class TimeAdd(Func, TimeUnit): -3286 arg_types = {"this": True, "expression": True, "unit": False} -3287 +3285 +3286class WeekOfYear(Func): +3287 _sql_names = ["WEEK_OF_YEAR", "WEEKOFYEAR"] 3288 -3289class TimeSub(Func, TimeUnit): -3290 arg_types = {"this": True, "expression": True, "unit": False} -3291 +3289 +3290class LastDateOfMonth(Func): +3291 pass 3292 -3293class TimeDiff(Func, TimeUnit): -3294 arg_types = {"this": True, "expression": True, "unit": False} -3295 +3293 +3294class Extract(Func): +3295 arg_types = {"this": True, "expression": True} 3296 -3297class TimeTrunc(Func, TimeUnit): -3298 arg_types = {"this": True, "unit": True, "zone": False} -3299 +3297 +3298class TimestampAdd(Func, TimeUnit): +3299 arg_types = {"this": True, "expression": True, "unit": False} 3300 -3301class DateFromParts(Func): -3302 _sql_names = ["DATEFROMPARTS"] -3303 arg_types = {"year": True, "month": True, "day": True} +3301 +3302class TimestampSub(Func, TimeUnit): +3303 arg_types = {"this": True, "expression": True, "unit": False} 3304 3305 -3306class DateStrToDate(Func): -3307 pass +3306class TimestampDiff(Func, TimeUnit): +3307 arg_types = {"this": True, "expression": True, "unit": False} 3308 3309 -3310class DateToDateStr(Func): -3311 pass +3310class TimestampTrunc(Func, TimeUnit): +3311 arg_types = {"this": True, "unit": True, "zone": False} 3312 3313 -3314class DateToDi(Func): -3315 pass +3314class TimeAdd(Func, TimeUnit): +3315 arg_types = {"this": True, "expression": True, "unit": False} 3316 3317 -3318class Day(Func): -3319 pass +3318class TimeSub(Func, TimeUnit): +3319 arg_types = {"this": True, "expression": True, "unit": False} 3320 3321 -3322class Decode(Func): -3323 arg_types = {"this": True, "charset": True, "replace": False} +3322class TimeDiff(Func, TimeUnit): +3323 arg_types = {"this": True, "expression": True, "unit": False} 3324 3325 -3326class DiToDate(Func): -3327 pass +3326class TimeTrunc(Func, TimeUnit): +3327 arg_types = {"this": True, "unit": True, "zone": False} 3328 3329 -3330class Encode(Func): -3331 arg_types = {"this": True, "charset": True} -3332 +3330class DateFromParts(Func): +3331 _sql_names = ["DATEFROMPARTS"] +3332 arg_types = {"year": True, "month": True, "day": True} 3333 -3334class Exp(Func): -3335 pass -3336 +3334 +3335class DateStrToDate(Func): +3336 pass 3337 -3338class Explode(Func): -3339 pass -3340 +3338 +3339class DateToDateStr(Func): +3340 pass 3341 -3342class Floor(Func): -3343 arg_types = {"this": True, "decimals": False} -3344 +3342 +3343class DateToDi(Func): +3344 pass 3345 -3346class Greatest(Func): -3347 arg_types = {"this": True, "expressions": False} -3348 is_var_len_args = True +3346 +3347class Day(Func): +3348 pass 3349 3350 -3351class GroupConcat(Func): -3352 arg_types = {"this": True, "separator": False} +3351class Decode(Func): +3352 arg_types = {"this": True, "charset": True, "replace": False} 3353 3354 -3355class Hex(Func): +3355class DiToDate(Func): 3356 pass 3357 3358 -3359class If(Func): -3360 arg_types = {"this": True, "true": True, "false": False} +3359class Encode(Func): +3360 arg_types = {"this": True, "charset": True} 3361 3362 -3363class IfNull(Func): -3364 arg_types = {"this": True, "expression": False} -3365 _sql_names = ["IFNULL", "NVL"] +3363class Exp(Func): +3364 pass +3365 3366 -3367 -3368class Initcap(Func): -3369 pass +3367class Explode(Func): +3368 pass +3369 3370 -3371 -3372class JSONBContains(Binary): -3373 _sql_names = ["JSONB_CONTAINS"] +3371class Floor(Func): +3372 arg_types = {"this": True, "decimals": False} +3373 3374 -3375 -3376class JSONExtract(Binary, Func): -3377 _sql_names = ["JSON_EXTRACT"] +3375class Greatest(Func): +3376 arg_types = {"this": True, "expressions": False} +3377 is_var_len_args = True 3378 3379 -3380class JSONExtractScalar(JSONExtract): -3381 _sql_names = ["JSON_EXTRACT_SCALAR"] +3380class GroupConcat(Func): +3381 arg_types = {"this": True, "separator": False} 3382 3383 -3384class JSONBExtract(JSONExtract): -3385 _sql_names = ["JSONB_EXTRACT"] +3384class Hex(Func): +3385 pass 3386 3387 -3388class JSONBExtractScalar(JSONExtract): -3389 _sql_names = ["JSONB_EXTRACT_SCALAR"] +3388class If(Func): +3389 arg_types = {"this": True, "true": True, "false": False} 3390 3391 -3392class Least(Func): -3393 arg_types = {"this": True, "expressions": False} -3394 is_var_len_args = True +3392class IfNull(Func): +3393 arg_types = {"this": True, "expression": False} +3394 _sql_names = ["IFNULL", "NVL"] 3395 3396 -3397class Length(Func): +3397class Initcap(Func): 3398 pass 3399 3400 -3401class Levenshtein(Func): -3402 arg_types = { -3403 "this": True, -3404 "expression": False, -3405 "ins_cost": False, -3406 "del_cost": False, -3407 "sub_cost": False, -3408 } -3409 -3410 -3411class Ln(Func): -3412 pass -3413 -3414 -3415class Log(Func): -3416 arg_types = {"this": True, "expression": False} -3417 -3418 -3419class Log2(Func): -3420 pass -3421 -3422 -3423class Log10(Func): -3424 pass +3401class JSONBContains(Binary): +3402 _sql_names = ["JSONB_CONTAINS"] +3403 +3404 +3405class JSONExtract(Binary, Func): +3406 _sql_names = ["JSON_EXTRACT"] +3407 +3408 +3409class JSONExtractScalar(JSONExtract): +3410 _sql_names = ["JSON_EXTRACT_SCALAR"] +3411 +3412 +3413class JSONBExtract(JSONExtract): +3414 _sql_names = ["JSONB_EXTRACT"] +3415 +3416 +3417class JSONBExtractScalar(JSONExtract): +3418 _sql_names = ["JSONB_EXTRACT_SCALAR"] +3419 +3420 +3421class Least(Func): +3422 arg_types = {"this": True, "expressions": False} +3423 is_var_len_args = True +3424 3425 -3426 -3427class LogicalOr(AggFunc): -3428 _sql_names = ["LOGICAL_OR", "BOOL_OR"] +3426class Length(Func): +3427 pass +3428 3429 -3430 -3431class Lower(Func): -3432 _sql_names = ["LOWER", "LCASE"] -3433 -3434 -3435class Map(Func): -3436 arg_types = {"keys": False, "values": False} -3437 +3430class Levenshtein(Func): +3431 arg_types = { +3432 "this": True, +3433 "expression": False, +3434 "ins_cost": False, +3435 "del_cost": False, +3436 "sub_cost": False, +3437 } 3438 -3439class VarMap(Func): -3440 arg_types = {"keys": True, "values": True} -3441 is_var_len_args = True +3439 +3440class Ln(Func): +3441 pass 3442 3443 -3444class Matches(Func): -3445 """Oracle/Snowflake decode. -3446 https://docs.oracle.com/cd/B19306_01/server.102/b14200/functions040.htm -3447 Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else) -3448 """ -3449 -3450 arg_types = {"this": True, "expressions": True} -3451 is_var_len_args = True -3452 -3453 -3454class Max(AggFunc): -3455 arg_types = {"this": True, "expression": False} -3456 -3457 -3458class Min(AggFunc): -3459 arg_types = {"this": True, "expression": False} -3460 -3461 -3462class Month(Func): -3463 pass -3464 -3465 -3466class Nvl2(Func): -3467 arg_types = {"this": True, "true": True, "false": False} -3468 -3469 -3470class Posexplode(Func): -3471 pass +3444class Log(Func): +3445 arg_types = {"this": True, "expression": False} +3446 +3447 +3448class Log2(Func): +3449 pass +3450 +3451 +3452class Log10(Func): +3453 pass +3454 +3455 +3456class LogicalOr(AggFunc): +3457 _sql_names = ["LOGICAL_OR", "BOOL_OR"] +3458 +3459 +3460class Lower(Func): +3461 _sql_names = ["LOWER", "LCASE"] +3462 +3463 +3464class Map(Func): +3465 arg_types = {"keys": False, "values": False} +3466 +3467 +3468class VarMap(Func): +3469 arg_types = {"keys": True, "values": True} +3470 is_var_len_args = True +3471 3472 -3473 -3474class Pow(Binary, Func): -3475 _sql_names = ["POWER", "POW"] -3476 -3477 -3478class PercentileCont(AggFunc): -3479 pass -3480 +3473class Matches(Func): +3474 """Oracle/Snowflake decode. +3475 https://docs.oracle.com/cd/B19306_01/server.102/b14200/functions040.htm +3476 Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else) +3477 """ +3478 +3479 arg_types = {"this": True, "expressions": True} +3480 is_var_len_args = True 3481 -3482class PercentileDisc(AggFunc): -3483 pass -3484 +3482 +3483class Max(AggFunc): +3484 arg_types = {"this": True, "expression": False} 3485 -3486class Quantile(AggFunc): -3487 arg_types = {"this": True, "quantile": True} -3488 +3486 +3487class Min(AggFunc): +3488 arg_types = {"this": True, "expression": False} 3489 -3490# Clickhouse-specific: -3491# https://clickhouse.com/docs/en/sql-reference/aggregate-functions/reference/quantiles/#quantiles -3492class Quantiles(AggFunc): -3493 arg_types = {"parameters": True, "expressions": True} +3490 +3491class Month(Func): +3492 pass +3493 3494 -3495 -3496class QuantileIf(AggFunc): -3497 arg_types = {"parameters": True, "expressions": True} +3495class Nvl2(Func): +3496 arg_types = {"this": True, "true": True, "false": False} +3497 3498 -3499 -3500class ApproxQuantile(Quantile): -3501 arg_types = {"this": True, "quantile": True, "accuracy": False, "weight": False} +3499class Posexplode(Func): +3500 pass +3501 3502 -3503 -3504class ReadCSV(Func): -3505 _sql_names = ["READ_CSV"] -3506 is_var_len_args = True -3507 arg_types = {"this": True, "expressions": False} -3508 +3503class Pow(Binary, Func): +3504 _sql_names = ["POWER", "POW"] +3505 +3506 +3507class PercentileCont(AggFunc): +3508 pass 3509 -3510class Reduce(Func): -3511 arg_types = {"this": True, "initial": True, "merge": True, "finish": False} -3512 +3510 +3511class PercentileDisc(AggFunc): +3512 pass 3513 -3514class RegexpExtract(Func): -3515 arg_types = { -3516 "this": True, -3517 "expression": True, -3518 "position": False, -3519 "occurrence": False, -3520 "group": False, -3521 } -3522 +3514 +3515class Quantile(AggFunc): +3516 arg_types = {"this": True, "quantile": True} +3517 +3518 +3519# Clickhouse-specific: +3520# https://clickhouse.com/docs/en/sql-reference/aggregate-functions/reference/quantiles/#quantiles +3521class Quantiles(AggFunc): +3522 arg_types = {"parameters": True, "expressions": True} 3523 -3524class RegexpLike(Func): -3525 arg_types = {"this": True, "expression": True, "flag": False} -3526 +3524 +3525class QuantileIf(AggFunc): +3526 arg_types = {"parameters": True, "expressions": True} 3527 -3528class RegexpILike(Func): -3529 arg_types = {"this": True, "expression": True, "flag": False} -3530 +3528 +3529class ApproxQuantile(Quantile): +3530 arg_types = {"this": True, "quantile": True, "accuracy": False, "weight": False} 3531 -3532class RegexpSplit(Func): -3533 arg_types = {"this": True, "expression": True} -3534 +3532 +3533class RangeN(Func): +3534 arg_types = {"this": True, "expressions": True, "each": False} 3535 -3536class Repeat(Func): -3537 arg_types = {"this": True, "times": True} -3538 -3539 -3540class Round(Func): -3541 arg_types = {"this": True, "decimals": False} +3536 +3537class ReadCSV(Func): +3538 _sql_names = ["READ_CSV"] +3539 is_var_len_args = True +3540 arg_types = {"this": True, "expressions": False} +3541 3542 -3543 -3544class RowNumber(Func): -3545 arg_types: t.Dict[str, t.Any] = {} +3543class Reduce(Func): +3544 arg_types = {"this": True, "initial": True, "merge": True, "finish": False} +3545 3546 -3547 -3548class SafeDivide(Func): -3549 arg_types = {"this": True, "expression": True} -3550 -3551 -3552class SetAgg(AggFunc): -3553 pass -3554 +3547class RegexpExtract(Func): +3548 arg_types = { +3549 "this": True, +3550 "expression": True, +3551 "position": False, +3552 "occurrence": False, +3553 "group": False, +3554 } 3555 -3556class SortArray(Func): -3557 arg_types = {"this": True, "asc": False} -3558 +3556 +3557class RegexpLike(Func): +3558 arg_types = {"this": True, "expression": True, "flag": False} 3559 -3560class Split(Func): -3561 arg_types = {"this": True, "expression": True, "limit": False} -3562 +3560 +3561class RegexpILike(Func): +3562 arg_types = {"this": True, "expression": True, "flag": False} 3563 -3564# Start may be omitted in the case of postgres -3565# https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6 -3566class Substring(Func): -3567 arg_types = {"this": True, "start": False, "length": False} +3564 +3565class RegexpSplit(Func): +3566 arg_types = {"this": True, "expression": True} +3567 3568 -3569 -3570class StrPosition(Func): -3571 arg_types = { -3572 "this": True, -3573 "substr": True, -3574 "position": False, -3575 "instance": False, -3576 } -3577 -3578 -3579class StrToDate(Func): -3580 arg_types = {"this": True, "format": True} -3581 -3582 -3583class StrToTime(Func): -3584 arg_types = {"this": True, "format": True} -3585 -3586 -3587# Spark allows unix_timestamp() -3588# https://spark.apache.org/docs/3.1.3/api/python/reference/api/pyspark.sql.functions.unix_timestamp.html -3589class StrToUnix(Func): -3590 arg_types = {"this": False, "format": False} +3569class Repeat(Func): +3570 arg_types = {"this": True, "times": True} +3571 +3572 +3573class Round(Func): +3574 arg_types = {"this": True, "decimals": False} +3575 +3576 +3577class RowNumber(Func): +3578 arg_types: t.Dict[str, t.Any] = {} +3579 +3580 +3581class SafeDivide(Func): +3582 arg_types = {"this": True, "expression": True} +3583 +3584 +3585class SetAgg(AggFunc): +3586 pass +3587 +3588 +3589class SortArray(Func): +3590 arg_types = {"this": True, "asc": False} 3591 3592 -3593class NumberToStr(Func): -3594 arg_types = {"this": True, "format": True} +3593class Split(Func): +3594 arg_types = {"this": True, "expression": True, "limit": False} 3595 3596 -3597class Struct(Func): -3598 arg_types = {"expressions": True} -3599 is_var_len_args = True -3600 +3597# Start may be omitted in the case of postgres +3598# https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6 +3599class Substring(Func): +3600 arg_types = {"this": True, "start": False, "length": False} 3601 -3602class StructExtract(Func): -3603 arg_types = {"this": True, "expression": True} -3604 -3605 -3606class Sum(AggFunc): -3607 pass -3608 -3609 -3610class Sqrt(Func): -3611 pass -3612 -3613 -3614class Stddev(AggFunc): -3615 pass -3616 -3617 -3618class StddevPop(AggFunc): -3619 pass -3620 -3621 -3622class StddevSamp(AggFunc): -3623 pass +3602 +3603class StrPosition(Func): +3604 arg_types = { +3605 "this": True, +3606 "substr": True, +3607 "position": False, +3608 "instance": False, +3609 } +3610 +3611 +3612class StrToDate(Func): +3613 arg_types = {"this": True, "format": True} +3614 +3615 +3616class StrToTime(Func): +3617 arg_types = {"this": True, "format": True} +3618 +3619 +3620# Spark allows unix_timestamp() +3621# https://spark.apache.org/docs/3.1.3/api/python/reference/api/pyspark.sql.functions.unix_timestamp.html +3622class StrToUnix(Func): +3623 arg_types = {"this": False, "format": False} 3624 3625 -3626class TimeToStr(Func): +3626class NumberToStr(Func): 3627 arg_types = {"this": True, "format": True} 3628 3629 -3630class TimeToTimeStr(Func): -3631 pass -3632 +3630class Struct(Func): +3631 arg_types = {"expressions": True} +3632 is_var_len_args = True 3633 -3634class TimeToUnix(Func): -3635 pass -3636 +3634 +3635class StructExtract(Func): +3636 arg_types = {"this": True, "expression": True} 3637 -3638class TimeStrToDate(Func): -3639 pass -3640 +3638 +3639class Sum(AggFunc): +3640 pass 3641 -3642class TimeStrToTime(Func): -3643 pass -3644 +3642 +3643class Sqrt(Func): +3644 pass 3645 -3646class TimeStrToUnix(Func): -3647 pass -3648 +3646 +3647class Stddev(AggFunc): +3648 pass 3649 -3650class Trim(Func): -3651 arg_types = { -3652 "this": True, -3653 "expression": False, -3654 "position": False, -3655 "collation": False, -3656 } +3650 +3651class StddevPop(AggFunc): +3652 pass +3653 +3654 +3655class StddevSamp(AggFunc): +3656 pass 3657 3658 -3659class TsOrDsAdd(Func, TimeUnit): -3660 arg_types = {"this": True, "expression": True, "unit": False} +3659class TimeToStr(Func): +3660 arg_types = {"this": True, "format": True} 3661 3662 -3663class TsOrDsToDateStr(Func): +3663class TimeToTimeStr(Func): 3664 pass 3665 3666 -3667class TsOrDsToDate(Func): -3668 arg_types = {"this": True, "format": False} +3667class TimeToUnix(Func): +3668 pass 3669 3670 -3671class TsOrDiToDi(Func): +3671class TimeStrToDate(Func): 3672 pass 3673 3674 -3675class Unhex(Func): +3675class TimeStrToTime(Func): 3676 pass 3677 3678 -3679class UnixToStr(Func): -3680 arg_types = {"this": True, "format": False} +3679class TimeStrToUnix(Func): +3680 pass 3681 3682 -3683# https://prestodb.io/docs/current/functions/datetime.html -3684# presto has weird zone/hours/minutes -3685class UnixToTime(Func): -3686 arg_types = {"this": True, "scale": False, "zone": False, "hours": False, "minutes": False} -3687 -3688 SECONDS = Literal.string("seconds") -3689 MILLIS = Literal.string("millis") -3690 MICROS = Literal.string("micros") +3683class Trim(Func): +3684 arg_types = { +3685 "this": True, +3686 "expression": False, +3687 "position": False, +3688 "collation": False, +3689 } +3690 3691 -3692 -3693class UnixToTimeStr(Func): -3694 pass +3692class TsOrDsAdd(Func, TimeUnit): +3693 arg_types = {"this": True, "expression": True, "unit": False} +3694 3695 -3696 -3697class Upper(Func): -3698 _sql_names = ["UPPER", "UCASE"] +3696class TsOrDsToDateStr(Func): +3697 pass +3698 3699 -3700 -3701class Variance(AggFunc): -3702 _sql_names = ["VARIANCE", "VARIANCE_SAMP", "VAR_SAMP"] +3700class TsOrDsToDate(Func): +3701 arg_types = {"this": True, "format": False} +3702 3703 -3704 -3705class VariancePop(AggFunc): -3706 _sql_names = ["VARIANCE_POP", "VAR_POP"] +3704class TsOrDiToDi(Func): +3705 pass +3706 3707 -3708 -3709class Week(Func): -3710 arg_types = {"this": True, "mode": False} +3708class Unhex(Func): +3709 pass +3710 3711 -3712 -3713class XMLTable(Func): -3714 arg_types = {"this": True, "passing": False, "columns": False, "by_ref": False} +3712class UnixToStr(Func): +3713 arg_types = {"this": True, "format": False} +3714 3715 -3716 -3717class Year(Func): -3718 pass -3719 +3716# https://prestodb.io/docs/current/functions/datetime.html +3717# presto has weird zone/hours/minutes +3718class UnixToTime(Func): +3719 arg_types = {"this": True, "scale": False, "zone": False, "hours": False, "minutes": False} 3720 -3721class Use(Expression): -3722 arg_types = {"this": True, "kind": False} -3723 +3721 SECONDS = Literal.string("seconds") +3722 MILLIS = Literal.string("millis") +3723 MICROS = Literal.string("micros") 3724 -3725class Merge(Expression): -3726 arg_types = {"this": True, "using": True, "on": True, "expressions": True} -3727 +3725 +3726class UnixToTimeStr(Func): +3727 pass 3728 -3729class When(Func): -3730 arg_types = {"this": True, "then": True} -3731 +3729 +3730class Upper(Func): +3731 _sql_names = ["UPPER", "UCASE"] 3732 -3733def _norm_args(expression): -3734 args = {} -3735 -3736 for k, arg in expression.args.items(): -3737 if isinstance(arg, list): -3738 arg = [_norm_arg(a) for a in arg] -3739 if not arg: -3740 arg = None -3741 else: -3742 arg = _norm_arg(arg) -3743 -3744 if arg is not None and arg is not False: -3745 args[k] = arg -3746 -3747 return args +3733 +3734class Variance(AggFunc): +3735 _sql_names = ["VARIANCE", "VARIANCE_SAMP", "VAR_SAMP"] +3736 +3737 +3738class VariancePop(AggFunc): +3739 _sql_names = ["VARIANCE_POP", "VAR_POP"] +3740 +3741 +3742class Week(Func): +3743 arg_types = {"this": True, "mode": False} +3744 +3745 +3746class XMLTable(Func): +3747 arg_types = {"this": True, "passing": False, "columns": False, "by_ref": False} 3748 3749 -3750def _norm_arg(arg): -3751 return arg.lower() if isinstance(arg, str) else arg +3750class Year(Func): +3751 pass 3752 3753 -3754ALL_FUNCTIONS = subclasses(__name__, Func, (AggFunc, Anonymous, Func)) -3755 +3754class Use(Expression): +3755 arg_types = {"this": True, "kind": False} 3756 -3757# Helpers -3758def maybe_parse( -3759 sql_or_expression: str | Expression, -3760 *, -3761 into: t.Optional[IntoType] = None, -3762 dialect: DialectType = None, -3763 prefix: t.Optional[str] = None, -3764 copy: bool = False, -3765 **opts, -3766) -> Expression: -3767 """Gracefully handle a possible string or expression. +3757 +3758class Merge(Expression): +3759 arg_types = {"this": True, "using": True, "on": True, "expressions": True} +3760 +3761 +3762class When(Func): +3763 arg_types = {"this": True, "then": True} +3764 +3765 +3766def _norm_args(expression): +3767 args = {} 3768 -3769 Example: -3770 >>> maybe_parse("1") -3771 (LITERAL this: 1, is_string: False) -3772 >>> maybe_parse(to_identifier("x")) -3773 (IDENTIFIER this: x, quoted: False) -3774 -3775 Args: -3776 sql_or_expression: the SQL code string or an expression -3777 into: the SQLGlot Expression to parse into -3778 dialect: the dialect used to parse the input expressions (in the case that an -3779 input expression is a SQL string). -3780 prefix: a string to prefix the sql with before it gets parsed -3781 (automatically includes a space) -3782 copy: whether or not to copy the expression. -3783 **opts: other options to use to parse the input expressions (again, in the case -3784 that an input expression is a SQL string). +3769 for k, arg in expression.args.items(): +3770 if isinstance(arg, list): +3771 arg = [_norm_arg(a) for a in arg] +3772 if not arg: +3773 arg = None +3774 else: +3775 arg = _norm_arg(arg) +3776 +3777 if arg is not None and arg is not False: +3778 args[k] = arg +3779 +3780 return args +3781 +3782 +3783def _norm_arg(arg): +3784 return arg.lower() if isinstance(arg, str) else arg 3785 -3786 Returns: -3787 Expression: the parsed or given expression. -3788 """ -3789 if isinstance(sql_or_expression, Expression): -3790 if copy: -3791 return sql_or_expression.copy() -3792 return sql_or_expression -3793 -3794 import sqlglot -3795 -3796 sql = str(sql_or_expression) -3797 if prefix: -3798 sql = f"{prefix} {sql}" -3799 return sqlglot.parse_one(sql, read=dialect, into=into, **opts) -3800 +3786 +3787ALL_FUNCTIONS = subclasses(__name__, Func, (AggFunc, Anonymous, Func)) +3788 +3789 +3790# Helpers +3791def maybe_parse( +3792 sql_or_expression: str | Expression, +3793 *, +3794 into: t.Optional[IntoType] = None, +3795 dialect: DialectType = None, +3796 prefix: t.Optional[str] = None, +3797 copy: bool = False, +3798 **opts, +3799) -> Expression: +3800 """Gracefully handle a possible string or expression. 3801 -3802def _maybe_copy(instance, copy=True): -3803 return instance.copy() if copy else instance -3804 -3805 -3806def _is_wrong_expression(expression, into): -3807 return isinstance(expression, Expression) and not isinstance(expression, into) -3808 -3809 -3810def _apply_builder( -3811 expression, -3812 instance, -3813 arg, -3814 copy=True, -3815 prefix=None, -3816 into=None, -3817 dialect=None, -3818 **opts, -3819): -3820 if _is_wrong_expression(expression, into): -3821 expression = into(this=expression) -3822 instance = _maybe_copy(instance, copy) -3823 expression = maybe_parse( -3824 sql_or_expression=expression, -3825 prefix=prefix, -3826 into=into, -3827 dialect=dialect, -3828 **opts, -3829 ) -3830 instance.set(arg, expression) -3831 return instance -3832 +3802 Example: +3803 >>> maybe_parse("1") +3804 (LITERAL this: 1, is_string: False) +3805 >>> maybe_parse(to_identifier("x")) +3806 (IDENTIFIER this: x, quoted: False) +3807 +3808 Args: +3809 sql_or_expression: the SQL code string or an expression +3810 into: the SQLGlot Expression to parse into +3811 dialect: the dialect used to parse the input expressions (in the case that an +3812 input expression is a SQL string). +3813 prefix: a string to prefix the sql with before it gets parsed +3814 (automatically includes a space) +3815 copy: whether or not to copy the expression. +3816 **opts: other options to use to parse the input expressions (again, in the case +3817 that an input expression is a SQL string). +3818 +3819 Returns: +3820 Expression: the parsed or given expression. +3821 """ +3822 if isinstance(sql_or_expression, Expression): +3823 if copy: +3824 return sql_or_expression.copy() +3825 return sql_or_expression +3826 +3827 import sqlglot +3828 +3829 sql = str(sql_or_expression) +3830 if prefix: +3831 sql = f"{prefix} {sql}" +3832 return sqlglot.parse_one(sql, read=dialect, into=into, **opts) 3833 -3834def _apply_child_list_builder( -3835 *expressions, -3836 instance, -3837 arg, -3838 append=True, -3839 copy=True, -3840 prefix=None, -3841 into=None, -3842 dialect=None, -3843 properties=None, -3844 **opts, -3845): -3846 instance = _maybe_copy(instance, copy) -3847 parsed = [] -3848 for expression in expressions: -3849 if _is_wrong_expression(expression, into): -3850 expression = into(expressions=[expression]) -3851 expression = maybe_parse( -3852 expression, -3853 into=into, -3854 dialect=dialect, -3855 prefix=prefix, -3856 **opts, -3857 ) -3858 parsed.extend(expression.expressions) -3859 -3860 existing = instance.args.get(arg) -3861 if append and existing: -3862 parsed = existing.expressions + parsed -3863 -3864 child = into(expressions=parsed) -3865 for k, v in (properties or {}).items(): -3866 child.set(k, v) -3867 instance.set(arg, child) -3868 return instance -3869 -3870 -3871def _apply_list_builder( -3872 *expressions, -3873 instance, -3874 arg, -3875 append=True, -3876 copy=True, -3877 prefix=None, -3878 into=None, -3879 dialect=None, -3880 **opts, -3881): -3882 inst = _maybe_copy(instance, copy) -3883 -3884 expressions = [ -3885 maybe_parse( -3886 sql_or_expression=expression, -3887 into=into, +3834 +3835def _maybe_copy(instance, copy=True): +3836 return instance.copy() if copy else instance +3837 +3838 +3839def _is_wrong_expression(expression, into): +3840 return isinstance(expression, Expression) and not isinstance(expression, into) +3841 +3842 +3843def _apply_builder( +3844 expression, +3845 instance, +3846 arg, +3847 copy=True, +3848 prefix=None, +3849 into=None, +3850 dialect=None, +3851 **opts, +3852): +3853 if _is_wrong_expression(expression, into): +3854 expression = into(this=expression) +3855 instance = _maybe_copy(instance, copy) +3856 expression = maybe_parse( +3857 sql_or_expression=expression, +3858 prefix=prefix, +3859 into=into, +3860 dialect=dialect, +3861 **opts, +3862 ) +3863 instance.set(arg, expression) +3864 return instance +3865 +3866 +3867def _apply_child_list_builder( +3868 *expressions, +3869 instance, +3870 arg, +3871 append=True, +3872 copy=True, +3873 prefix=None, +3874 into=None, +3875 dialect=None, +3876 properties=None, +3877 **opts, +3878): +3879 instance = _maybe_copy(instance, copy) +3880 parsed = [] +3881 for expression in expressions: +3882 if _is_wrong_expression(expression, into): +3883 expression = into(expressions=[expression]) +3884 expression = maybe_parse( +3885 expression, +3886 into=into, +3887 dialect=dialect, 3888 prefix=prefix, -3889 dialect=dialect, -3890 **opts, -3891 ) -3892 for expression in expressions -3893 ] -3894 -3895 existing_expressions = inst.args.get(arg) -3896 if append and existing_expressions: -3897 expressions = existing_expressions + expressions -3898 -3899 inst.set(arg, expressions) -3900 return inst -3901 +3889 **opts, +3890 ) +3891 parsed.extend(expression.expressions) +3892 +3893 existing = instance.args.get(arg) +3894 if append and existing: +3895 parsed = existing.expressions + parsed +3896 +3897 child = into(expressions=parsed) +3898 for k, v in (properties or {}).items(): +3899 child.set(k, v) +3900 instance.set(arg, child) +3901 return instance 3902 -3903def _apply_conjunction_builder( -3904 *expressions, -3905 instance, -3906 arg, -3907 into=None, +3903 +3904def _apply_list_builder( +3905 *expressions, +3906 instance, +3907 arg, 3908 append=True, 3909 copy=True, -3910 dialect=None, -3911 **opts, -3912): -3913 expressions = [exp for exp in expressions if exp is not None and exp != ""] -3914 if not expressions: -3915 return instance +3910 prefix=None, +3911 into=None, +3912 dialect=None, +3913 **opts, +3914): +3915 inst = _maybe_copy(instance, copy) 3916 -3917 inst = _maybe_copy(instance, copy) -3918 -3919 existing = inst.args.get(arg) -3920 if append and existing is not None: -3921 expressions = [existing.this if into else existing] + list(expressions) -3922 -3923 node = and_(*expressions, dialect=dialect, **opts) -3924 -3925 inst.set(arg, into(this=node) if into else node) -3926 return inst +3917 expressions = [ +3918 maybe_parse( +3919 sql_or_expression=expression, +3920 into=into, +3921 prefix=prefix, +3922 dialect=dialect, +3923 **opts, +3924 ) +3925 for expression in expressions +3926 ] 3927 -3928 -3929def _combine(expressions, operator, dialect=None, **opts): -3930 expressions = [condition(expression, dialect=dialect, **opts) for expression in expressions] -3931 this = expressions[0] -3932 if expressions[1:]: -3933 this = _wrap_operator(this) -3934 for expression in expressions[1:]: -3935 this = operator(this=this, expression=_wrap_operator(expression)) -3936 return this -3937 -3938 -3939def _wrap_operator(expression): -3940 if isinstance(expression, (And, Or, Not)): -3941 expression = Paren(this=expression) -3942 return expression -3943 -3944 -3945def union(left, right, distinct=True, dialect=None, **opts): -3946 """ -3947 Initializes a syntax tree from one UNION expression. -3948 -3949 Example: -3950 >>> union("SELECT * FROM foo", "SELECT * FROM bla").sql() -3951 'SELECT * FROM foo UNION SELECT * FROM bla' -3952 -3953 Args: -3954 left (str | Expression): the SQL code string corresponding to the left-hand side. -3955 If an `Expression` instance is passed, it will be used as-is. -3956 right (str | Expression): the SQL code string corresponding to the right-hand side. -3957 If an `Expression` instance is passed, it will be used as-is. -3958 distinct (bool): set the DISTINCT flag if and only if this is true. -3959 dialect (str): the dialect used to parse the input expression. -3960 opts (kwargs): other options to use to parse the input expressions. -3961 Returns: -3962 Union: the syntax tree for the UNION expression. -3963 """ -3964 left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts) -3965 right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts) -3966 -3967 return Union(this=left, expression=right, distinct=distinct) -3968 -3969 -3970def intersect(left, right, distinct=True, dialect=None, **opts): -3971 """ -3972 Initializes a syntax tree from one INTERSECT expression. -3973 -3974 Example: -3975 >>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql() -3976 'SELECT * FROM foo INTERSECT SELECT * FROM bla' +3928 existing_expressions = inst.args.get(arg) +3929 if append and existing_expressions: +3930 expressions = existing_expressions + expressions +3931 +3932 inst.set(arg, expressions) +3933 return inst +3934 +3935 +3936def _apply_conjunction_builder( +3937 *expressions, +3938 instance, +3939 arg, +3940 into=None, +3941 append=True, +3942 copy=True, +3943 dialect=None, +3944 **opts, +3945): +3946 expressions = [exp for exp in expressions if exp is not None and exp != ""] +3947 if not expressions: +3948 return instance +3949 +3950 inst = _maybe_copy(instance, copy) +3951 +3952 existing = inst.args.get(arg) +3953 if append and existing is not None: +3954 expressions = [existing.this if into else existing] + list(expressions) +3955 +3956 node = and_(*expressions, dialect=dialect, **opts) +3957 +3958 inst.set(arg, into(this=node) if into else node) +3959 return inst +3960 +3961 +3962def _combine(expressions, operator, dialect=None, **opts): +3963 expressions = [condition(expression, dialect=dialect, **opts) for expression in expressions] +3964 this = expressions[0] +3965 if expressions[1:]: +3966 this = _wrap_operator(this) +3967 for expression in expressions[1:]: +3968 this = operator(this=this, expression=_wrap_operator(expression)) +3969 return this +3970 +3971 +3972def _wrap_operator(expression): +3973 if isinstance(expression, (And, Or, Not)): +3974 expression = Paren(this=expression) +3975 return expression +3976 3977 -3978 Args: -3979 left (str | Expression): the SQL code string corresponding to the left-hand side. -3980 If an `Expression` instance is passed, it will be used as-is. -3981 right (str | Expression): the SQL code string corresponding to the right-hand side. -3982 If an `Expression` instance is passed, it will be used as-is. -3983 distinct (bool): set the DISTINCT flag if and only if this is true. -3984 dialect (str): the dialect used to parse the input expression. -3985 opts (kwargs): other options to use to parse the input expressions. -3986 Returns: -3987 Intersect: the syntax tree for the INTERSECT expression. -3988 """ -3989 left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts) -3990 right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts) -3991 -3992 return Intersect(this=left, expression=right, distinct=distinct) -3993 -3994 -3995def except_(left, right, distinct=True, dialect=None, **opts): -3996 """ -3997 Initializes a syntax tree from one EXCEPT expression. -3998 -3999 Example: -4000 >>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql() -4001 'SELECT * FROM foo EXCEPT SELECT * FROM bla' +3978def union(left, right, distinct=True, dialect=None, **opts): +3979 """ +3980 Initializes a syntax tree from one UNION expression. +3981 +3982 Example: +3983 >>> union("SELECT * FROM foo", "SELECT * FROM bla").sql() +3984 'SELECT * FROM foo UNION SELECT * FROM bla' +3985 +3986 Args: +3987 left (str | Expression): the SQL code string corresponding to the left-hand side. +3988 If an `Expression` instance is passed, it will be used as-is. +3989 right (str | Expression): the SQL code string corresponding to the right-hand side. +3990 If an `Expression` instance is passed, it will be used as-is. +3991 distinct (bool): set the DISTINCT flag if and only if this is true. +3992 dialect (str): the dialect used to parse the input expression. +3993 opts (kwargs): other options to use to parse the input expressions. +3994 Returns: +3995 Union: the syntax tree for the UNION expression. +3996 """ +3997 left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts) +3998 right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts) +3999 +4000 return Union(this=left, expression=right, distinct=distinct) +4001 4002 -4003 Args: -4004 left (str | Expression): the SQL code string corresponding to the left-hand side. -4005 If an `Expression` instance is passed, it will be used as-is. -4006 right (str | Expression): the SQL code string corresponding to the right-hand side. -4007 If an `Expression` instance is passed, it will be used as-is. -4008 distinct (bool): set the DISTINCT flag if and only if this is true. -4009 dialect (str): the dialect used to parse the input expression. -4010 opts (kwargs): other options to use to parse the input expressions. -4011 Returns: -4012 Except: the syntax tree for the EXCEPT statement. -4013 """ -4014 left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts) -4015 right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts) -4016 -4017 return Except(this=left, expression=right, distinct=distinct) -4018 -4019 -4020def select(*expressions: str | Expression, dialect: DialectType = None, **opts) -> Select: -4021 """ -4022 Initializes a syntax tree from one or multiple SELECT expressions. -4023 -4024 Example: -4025 >>> select("col1", "col2").from_("tbl").sql() -4026 'SELECT col1, col2 FROM tbl' +4003def intersect(left, right, distinct=True, dialect=None, **opts): +4004 """ +4005 Initializes a syntax tree from one INTERSECT expression. +4006 +4007 Example: +4008 >>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql() +4009 'SELECT * FROM foo INTERSECT SELECT * FROM bla' +4010 +4011 Args: +4012 left (str | Expression): the SQL code string corresponding to the left-hand side. +4013 If an `Expression` instance is passed, it will be used as-is. +4014 right (str | Expression): the SQL code string corresponding to the right-hand side. +4015 If an `Expression` instance is passed, it will be used as-is. +4016 distinct (bool): set the DISTINCT flag if and only if this is true. +4017 dialect (str): the dialect used to parse the input expression. +4018 opts (kwargs): other options to use to parse the input expressions. +4019 Returns: +4020 Intersect: the syntax tree for the INTERSECT expression. +4021 """ +4022 left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts) +4023 right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts) +4024 +4025 return Intersect(this=left, expression=right, distinct=distinct) +4026 4027 -4028 Args: -4029 *expressions: the SQL code string to parse as the expressions of a -4030 SELECT statement. If an Expression instance is passed, this is used as-is. -4031 dialect: the dialect used to parse the input expressions (in the case that an -4032 input expression is a SQL string). -4033 **opts: other options to use to parse the input expressions (again, in the case -4034 that an input expression is a SQL string). +4028def except_(left, right, distinct=True, dialect=None, **opts): +4029 """ +4030 Initializes a syntax tree from one EXCEPT expression. +4031 +4032 Example: +4033 >>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql() +4034 'SELECT * FROM foo EXCEPT SELECT * FROM bla' 4035 -4036 Returns: -4037 Select: the syntax tree for the SELECT statement. -4038 """ -4039 return Select().select(*expressions, dialect=dialect, **opts) -4040 -4041 -4042def from_(*expressions, dialect=None, **opts) -> Select: -4043 """ -4044 Initializes a syntax tree from a FROM expression. -4045 -4046 Example: -4047 >>> from_("tbl").select("col1", "col2").sql() -4048 'SELECT col1, col2 FROM tbl' +4036 Args: +4037 left (str | Expression): the SQL code string corresponding to the left-hand side. +4038 If an `Expression` instance is passed, it will be used as-is. +4039 right (str | Expression): the SQL code string corresponding to the right-hand side. +4040 If an `Expression` instance is passed, it will be used as-is. +4041 distinct (bool): set the DISTINCT flag if and only if this is true. +4042 dialect (str): the dialect used to parse the input expression. +4043 opts (kwargs): other options to use to parse the input expressions. +4044 Returns: +4045 Except: the syntax tree for the EXCEPT statement. +4046 """ +4047 left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts) +4048 right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts) 4049 -4050 Args: -4051 *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a -4052 SELECT statement. If an Expression instance is passed, this is used as-is. -4053 dialect (str): the dialect used to parse the input expression (in the case that the -4054 input expression is a SQL string). -4055 **opts: other options to use to parse the input expressions (again, in the case -4056 that the input expression is a SQL string). -4057 -4058 Returns: -4059 Select: the syntax tree for the SELECT statement. -4060 """ -4061 return Select().from_(*expressions, dialect=dialect, **opts) -4062 -4063 -4064def update(table, properties, where=None, from_=None, dialect=None, **opts) -> Update: -4065 """ -4066 Creates an update statement. -4067 -4068 Example: -4069 >>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql() -4070 "UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1" -4071 -4072 Args: -4073 *properties (Dict[str, Any]): dictionary of properties to set which are -4074 auto converted to sql objects eg None -> NULL -4075 where (str): sql conditional parsed into a WHERE statement -4076 from_ (str): sql statement parsed into a FROM statement -4077 dialect (str): the dialect used to parse the input expressions. -4078 **opts: other options to use to parse the input expressions. -4079 -4080 Returns: -4081 Update: the syntax tree for the UPDATE statement. -4082 """ -4083 update = Update(this=maybe_parse(table, into=Table, dialect=dialect)) -4084 update.set( -4085 "expressions", -4086 [ -4087 EQ(this=maybe_parse(k, dialect=dialect, **opts), expression=convert(v)) -4088 for k, v in properties.items() -4089 ], -4090 ) -4091 if from_: -4092 update.set( -4093 "from", -4094 maybe_parse(from_, into=From, dialect=dialect, prefix="FROM", **opts), -4095 ) -4096 if isinstance(where, Condition): -4097 where = Where(this=where) -4098 if where: -4099 update.set( -4100 "where", -4101 maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts), -4102 ) -4103 return update +4050 return Except(this=left, expression=right, distinct=distinct) +4051 +4052 +4053def select(*expressions: str | Expression, dialect: DialectType = None, **opts) -> Select: +4054 """ +4055 Initializes a syntax tree from one or multiple SELECT expressions. +4056 +4057 Example: +4058 >>> select("col1", "col2").from_("tbl").sql() +4059 'SELECT col1, col2 FROM tbl' +4060 +4061 Args: +4062 *expressions: the SQL code string to parse as the expressions of a +4063 SELECT statement. If an Expression instance is passed, this is used as-is. +4064 dialect: the dialect used to parse the input expressions (in the case that an +4065 input expression is a SQL string). +4066 **opts: other options to use to parse the input expressions (again, in the case +4067 that an input expression is a SQL string). +4068 +4069 Returns: +4070 Select: the syntax tree for the SELECT statement. +4071 """ +4072 return Select().select(*expressions, dialect=dialect, **opts) +4073 +4074 +4075def from_(*expressions, dialect=None, **opts) -> Select: +4076 """ +4077 Initializes a syntax tree from a FROM expression. +4078 +4079 Example: +4080 >>> from_("tbl").select("col1", "col2").sql() +4081 'SELECT col1, col2 FROM tbl' +4082 +4083 Args: +4084 *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a +4085 SELECT statement. If an Expression instance is passed, this is used as-is. +4086 dialect (str): the dialect used to parse the input expression (in the case that the +4087 input expression is a SQL string). +4088 **opts: other options to use to parse the input expressions (again, in the case +4089 that the input expression is a SQL string). +4090 +4091 Returns: +4092 Select: the syntax tree for the SELECT statement. +4093 """ +4094 return Select().from_(*expressions, dialect=dialect, **opts) +4095 +4096 +4097def update(table, properties, where=None, from_=None, dialect=None, **opts) -> Update: +4098 """ +4099 Creates an update statement. +4100 +4101 Example: +4102 >>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql() +4103 "UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1" 4104 -4105 -4106def delete(table, where=None, dialect=None, **opts) -> Delete: -4107 """ -4108 Builds a delete statement. -4109 -4110 Example: -4111 >>> delete("my_table", where="id > 1").sql() -4112 'DELETE FROM my_table WHERE id > 1' -4113 -4114 Args: -4115 where (str|Condition): sql conditional parsed into a WHERE statement -4116 dialect (str): the dialect used to parse the input expressions. -4117 **opts: other options to use to parse the input expressions. -4118 -4119 Returns: -4120 Delete: the syntax tree for the DELETE statement. -4121 """ -4122 return Delete( -4123 this=maybe_parse(table, into=Table, dialect=dialect, **opts), -4124 where=Where(this=where) -4125 if isinstance(where, Condition) -4126 else maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts), -4127 ) -4128 -4129 -4130def condition(expression, dialect=None, **opts) -> Condition: -4131 """ -4132 Initialize a logical condition expression. -4133 -4134 Example: -4135 >>> condition("x=1").sql() -4136 'x = 1' +4105 Args: +4106 *properties (Dict[str, Any]): dictionary of properties to set which are +4107 auto converted to sql objects eg None -> NULL +4108 where (str): sql conditional parsed into a WHERE statement +4109 from_ (str): sql statement parsed into a FROM statement +4110 dialect (str): the dialect used to parse the input expressions. +4111 **opts: other options to use to parse the input expressions. +4112 +4113 Returns: +4114 Update: the syntax tree for the UPDATE statement. +4115 """ +4116 update = Update(this=maybe_parse(table, into=Table, dialect=dialect)) +4117 update.set( +4118 "expressions", +4119 [ +4120 EQ(this=maybe_parse(k, dialect=dialect, **opts), expression=convert(v)) +4121 for k, v in properties.items() +4122 ], +4123 ) +4124 if from_: +4125 update.set( +4126 "from", +4127 maybe_parse(from_, into=From, dialect=dialect, prefix="FROM", **opts), +4128 ) +4129 if isinstance(where, Condition): +4130 where = Where(this=where) +4131 if where: +4132 update.set( +4133 "where", +4134 maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts), +4135 ) +4136 return update 4137 -4138 This is helpful for composing larger logical syntax trees: -4139 >>> where = condition("x=1") -4140 >>> where = where.and_("y=1") -4141 >>> Select().from_("tbl").select("*").where(where).sql() -4142 'SELECT * FROM tbl WHERE x = 1 AND y = 1' -4143 -4144 Args: -4145 *expression (str | Expression): the SQL code string to parse. -4146 If an Expression instance is passed, this is used as-is. -4147 dialect (str): the dialect used to parse the input expression (in the case that the -4148 input expression is a SQL string). -4149 **opts: other options to use to parse the input expressions (again, in the case -4150 that the input expression is a SQL string). +4138 +4139def delete(table, where=None, dialect=None, **opts) -> Delete: +4140 """ +4141 Builds a delete statement. +4142 +4143 Example: +4144 >>> delete("my_table", where="id > 1").sql() +4145 'DELETE FROM my_table WHERE id > 1' +4146 +4147 Args: +4148 where (str|Condition): sql conditional parsed into a WHERE statement +4149 dialect (str): the dialect used to parse the input expressions. +4150 **opts: other options to use to parse the input expressions. 4151 4152 Returns: -4153 Condition: the expression +4153 Delete: the syntax tree for the DELETE statement. 4154 """ -4155 return maybe_parse( # type: ignore -4156 expression, -4157 into=Condition, -4158 dialect=dialect, -4159 **opts, +4155 return Delete( +4156 this=maybe_parse(table, into=Table, dialect=dialect, **opts), +4157 where=Where(this=where) +4158 if isinstance(where, Condition) +4159 else maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts), 4160 ) 4161 4162 -4163def and_(*expressions, dialect=None, **opts) -> And: +4163def condition(expression, dialect=None, **opts) -> Condition: 4164 """ -4165 Combine multiple conditions with an AND logical operator. +4165 Initialize a logical condition expression. 4166 4167 Example: -4168 >>> and_("x=1", and_("y=1", "z=1")).sql() -4169 'x = 1 AND (y = 1 AND z = 1)' +4168 >>> condition("x=1").sql() +4169 'x = 1' 4170 -4171 Args: -4172 *expressions (str | Expression): the SQL code strings to parse. -4173 If an Expression instance is passed, this is used as-is. -4174 dialect (str): the dialect used to parse the input expression. -4175 **opts: other options to use to parse the input expressions. +4171 This is helpful for composing larger logical syntax trees: +4172 >>> where = condition("x=1") +4173 >>> where = where.and_("y=1") +4174 >>> Select().from_("tbl").select("*").where(where).sql() +4175 'SELECT * FROM tbl WHERE x = 1 AND y = 1' 4176 -4177 Returns: -4178 And: the new condition -4179 """ -4180 return _combine(expressions, And, dialect, **opts) -4181 -4182 -4183def or_(*expressions, dialect=None, **opts) -> Or: -4184 """ -4185 Combine multiple conditions with an OR logical operator. -4186 -4187 Example: -4188 >>> or_("x=1", or_("y=1", "z=1")).sql() -4189 'x = 1 OR (y = 1 OR z = 1)' -4190 -4191 Args: -4192 *expressions (str | Expression): the SQL code strings to parse. -4193 If an Expression instance is passed, this is used as-is. -4194 dialect (str): the dialect used to parse the input expression. -4195 **opts: other options to use to parse the input expressions. -4196 -4197 Returns: -4198 Or: the new condition -4199 """ -4200 return _combine(expressions, Or, dialect, **opts) -4201 -4202 -4203def not_(expression, dialect=None, **opts) -> Not: -4204 """ -4205 Wrap a condition with a NOT operator. -4206 -4207 Example: -4208 >>> not_("this_suit='black'").sql() -4209 "NOT this_suit = 'black'" -4210 -4211 Args: -4212 expression (str | Expression): the SQL code strings to parse. -4213 If an Expression instance is passed, this is used as-is. -4214 dialect (str): the dialect used to parse the input expression. -4215 **opts: other options to use to parse the input expressions. -4216 -4217 Returns: -4218 Not: the new condition -4219 """ -4220 this = condition( -4221 expression, -4222 dialect=dialect, -4223 **opts, -4224 ) -4225 return Not(this=_wrap_operator(this)) -4226 -4227 -4228def paren(expression) -> Paren: -4229 return Paren(this=expression) -4230 -4231 -4232SAFE_IDENTIFIER_RE = re.compile(r"^[_a-zA-Z][\w]*$") -4233 +4177 Args: +4178 *expression (str | Expression): the SQL code string to parse. +4179 If an Expression instance is passed, this is used as-is. +4180 dialect (str): the dialect used to parse the input expression (in the case that the +4181 input expression is a SQL string). +4182 **opts: other options to use to parse the input expressions (again, in the case +4183 that the input expression is a SQL string). +4184 +4185 Returns: +4186 Condition: the expression +4187 """ +4188 return maybe_parse( # type: ignore +4189 expression, +4190 into=Condition, +4191 dialect=dialect, +4192 **opts, +4193 ) +4194 +4195 +4196def and_(*expressions, dialect=None, **opts) -> And: +4197 """ +4198 Combine multiple conditions with an AND logical operator. +4199 +4200 Example: +4201 >>> and_("x=1", and_("y=1", "z=1")).sql() +4202 'x = 1 AND (y = 1 AND z = 1)' +4203 +4204 Args: +4205 *expressions (str | Expression): the SQL code strings to parse. +4206 If an Expression instance is passed, this is used as-is. +4207 dialect (str): the dialect used to parse the input expression. +4208 **opts: other options to use to parse the input expressions. +4209 +4210 Returns: +4211 And: the new condition +4212 """ +4213 return _combine(expressions, And, dialect, **opts) +4214 +4215 +4216def or_(*expressions, dialect=None, **opts) -> Or: +4217 """ +4218 Combine multiple conditions with an OR logical operator. +4219 +4220 Example: +4221 >>> or_("x=1", or_("y=1", "z=1")).sql() +4222 'x = 1 OR (y = 1 OR z = 1)' +4223 +4224 Args: +4225 *expressions (str | Expression): the SQL code strings to parse. +4226 If an Expression instance is passed, this is used as-is. +4227 dialect (str): the dialect used to parse the input expression. +4228 **opts: other options to use to parse the input expressions. +4229 +4230 Returns: +4231 Or: the new condition +4232 """ +4233 return _combine(expressions, Or, dialect, **opts) 4234 -4235@t.overload -4236def to_identifier(name: None, quoted: t.Optional[bool] = None) -> None: -4237 ... -4238 +4235 +4236def not_(expression, dialect=None, **opts) -> Not: +4237 """ +4238 Wrap a condition with a NOT operator. 4239 -4240@t.overload -4241def to_identifier(name: str | Identifier, quoted: t.Optional[bool] = None) -> Identifier: -4242 ... +4240 Example: +4241 >>> not_("this_suit='black'").sql() +4242 "NOT this_suit = 'black'" 4243 -4244 -4245def to_identifier(name, quoted=None): -4246 """Builds an identifier. -4247 -4248 Args: -4249 name: The name to turn into an identifier. -4250 quoted: Whether or not force quote the identifier. -4251 -4252 Returns: -4253 The identifier ast node. -4254 """ -4255 -4256 if name is None: -4257 return None -4258 -4259 if isinstance(name, Identifier): -4260 identifier = name -4261 elif isinstance(name, str): -4262 identifier = Identifier( -4263 this=name, -4264 quoted=not re.match(SAFE_IDENTIFIER_RE, name) if quoted is None else quoted, -4265 ) -4266 else: -4267 raise ValueError(f"Name needs to be a string or an Identifier, got: {name.__class__}") -4268 return identifier -4269 -4270 -4271INTERVAL_STRING_RE = re.compile(r"\s*([0-9]+)\s*([a-zA-Z]+)\s*") +4244 Args: +4245 expression (str | Expression): the SQL code strings to parse. +4246 If an Expression instance is passed, this is used as-is. +4247 dialect (str): the dialect used to parse the input expression. +4248 **opts: other options to use to parse the input expressions. +4249 +4250 Returns: +4251 Not: the new condition +4252 """ +4253 this = condition( +4254 expression, +4255 dialect=dialect, +4256 **opts, +4257 ) +4258 return Not(this=_wrap_operator(this)) +4259 +4260 +4261def paren(expression) -> Paren: +4262 return Paren(this=expression) +4263 +4264 +4265SAFE_IDENTIFIER_RE = re.compile(r"^[_a-zA-Z][\w]*$") +4266 +4267 +4268@t.overload +4269def to_identifier(name: None, quoted: t.Optional[bool] = None) -> None: +4270 ... +4271 4272 -4273 -4274def to_interval(interval: str | Literal) -> Interval: -4275 """Builds an interval expression from a string like '1 day' or '5 months'.""" -4276 if isinstance(interval, Literal): -4277 if not interval.is_string: -4278 raise ValueError("Invalid interval string.") -4279 -4280 interval = interval.this -4281 -4282 interval_parts = INTERVAL_STRING_RE.match(interval) # type: ignore -4283 -4284 if not interval_parts: -4285 raise ValueError("Invalid interval string.") -4286 -4287 return Interval( -4288 this=Literal.string(interval_parts.group(1)), -4289 unit=Var(this=interval_parts.group(2)), -4290 ) +4273@t.overload +4274def to_identifier(name: str | Identifier, quoted: t.Optional[bool] = None) -> Identifier: +4275 ... +4276 +4277 +4278def to_identifier(name, quoted=None): +4279 """Builds an identifier. +4280 +4281 Args: +4282 name: The name to turn into an identifier. +4283 quoted: Whether or not force quote the identifier. +4284 +4285 Returns: +4286 The identifier ast node. +4287 """ +4288 +4289 if name is None: +4290 return None 4291 -4292 -4293@t.overload -4294def to_table(sql_path: str | Table, **kwargs) -> Table: -4295 ... -4296 -4297 -4298@t.overload -4299def to_table(sql_path: None, **kwargs) -> None: -4300 ... -4301 +4292 if isinstance(name, Identifier): +4293 identifier = name +4294 elif isinstance(name, str): +4295 identifier = Identifier( +4296 this=name, +4297 quoted=not re.match(SAFE_IDENTIFIER_RE, name) if quoted is None else quoted, +4298 ) +4299 else: +4300 raise ValueError(f"Name needs to be a string or an Identifier, got: {name.__class__}") +4301 return identifier 4302 -4303def to_table(sql_path: t.Optional[str | Table], **kwargs) -> t.Optional[Table]: -4304 """ -4305 Create a table expression from a `[catalog].[schema].[table]` sql path. Catalog and schema are optional. -4306 If a table is passed in then that table is returned. -4307 -4308 Args: -4309 sql_path: a `[catalog].[schema].[table]` string. -4310 -4311 Returns: -4312 A table expression. -4313 """ -4314 if sql_path is None or isinstance(sql_path, Table): -4315 return sql_path -4316 if not isinstance(sql_path, str): -4317 raise ValueError(f"Invalid type provided for a table: {type(sql_path)}") -4318 -4319 catalog, db, table_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 3)) -4320 return Table(this=table_name, db=db, catalog=catalog, **kwargs) -4321 -4322 -4323def to_column(sql_path: str | Column, **kwargs) -> Column: -4324 """ -4325 Create a column from a `[table].[column]` sql path. Schema is optional. -4326 -4327 If a column is passed in then that column is returned. -4328 -4329 Args: -4330 sql_path: `[table].[column]` string -4331 Returns: -4332 Table: A column expression -4333 """ -4334 if sql_path is None or isinstance(sql_path, Column): -4335 return sql_path -4336 if not isinstance(sql_path, str): -4337 raise ValueError(f"Invalid type provided for column: {type(sql_path)}") -4338 table_name, column_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 2)) -4339 return Column(this=column_name, table=table_name, **kwargs) +4303 +4304INTERVAL_STRING_RE = re.compile(r"\s*([0-9]+)\s*([a-zA-Z]+)\s*") +4305 +4306 +4307def to_interval(interval: str | Literal) -> Interval: +4308 """Builds an interval expression from a string like '1 day' or '5 months'.""" +4309 if isinstance(interval, Literal): +4310 if not interval.is_string: +4311 raise ValueError("Invalid interval string.") +4312 +4313 interval = interval.this +4314 +4315 interval_parts = INTERVAL_STRING_RE.match(interval) # type: ignore +4316 +4317 if not interval_parts: +4318 raise ValueError("Invalid interval string.") +4319 +4320 return Interval( +4321 this=Literal.string(interval_parts.group(1)), +4322 unit=Var(this=interval_parts.group(2)), +4323 ) +4324 +4325 +4326@t.overload +4327def to_table(sql_path: str | Table, **kwargs) -> Table: +4328 ... +4329 +4330 +4331@t.overload +4332def to_table(sql_path: None, **kwargs) -> None: +4333 ... +4334 +4335 +4336def to_table(sql_path: t.Optional[str | Table], **kwargs) -> t.Optional[Table]: +4337 """ +4338 Create a table expression from a `[catalog].[schema].[table]` sql path. Catalog and schema are optional. +4339 If a table is passed in then that table is returned. 4340 -4341 -4342def alias_( -4343 expression: str | Expression, -4344 alias: str | Identifier, -4345 table: bool | t.Sequence[str | Identifier] = False, -4346 quoted: t.Optional[bool] = None, -4347 dialect: DialectType = None, -4348 **opts, -4349): -4350 """Create an Alias expression. +4341 Args: +4342 sql_path: a `[catalog].[schema].[table]` string. +4343 +4344 Returns: +4345 A table expression. +4346 """ +4347 if sql_path is None or isinstance(sql_path, Table): +4348 return sql_path +4349 if not isinstance(sql_path, str): +4350 raise ValueError(f"Invalid type provided for a table: {type(sql_path)}") 4351 -4352 Example: -4353 >>> alias_('foo', 'bar').sql() -4354 'foo AS bar' +4352 catalog, db, table_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 3)) +4353 return Table(this=table_name, db=db, catalog=catalog, **kwargs) +4354 4355 -4356 >>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql() -4357 '(SELECT 1, 2) AS bar(a, b)' -4358 -4359 Args: -4360 expression: the SQL code strings to parse. -4361 If an Expression instance is passed, this is used as-is. -4362 alias: the alias name to use. If the name has -4363 special characters it is quoted. -4364 table: Whether or not to create a table alias, can also be a list of columns. -4365 quoted: whether or not to quote the alias -4366 dialect: the dialect used to parse the input expression. -4367 **opts: other options to use to parse the input expressions. -4368 -4369 Returns: -4370 Alias: the aliased expression -4371 """ -4372 exp = maybe_parse(expression, dialect=dialect, **opts) -4373 alias = to_identifier(alias, quoted=quoted) +4356def to_column(sql_path: str | Column, **kwargs) -> Column: +4357 """ +4358 Create a column from a `[table].[column]` sql path. Schema is optional. +4359 +4360 If a column is passed in then that column is returned. +4361 +4362 Args: +4363 sql_path: `[table].[column]` string +4364 Returns: +4365 Table: A column expression +4366 """ +4367 if sql_path is None or isinstance(sql_path, Column): +4368 return sql_path +4369 if not isinstance(sql_path, str): +4370 raise ValueError(f"Invalid type provided for column: {type(sql_path)}") +4371 table_name, column_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 2)) +4372 return Column(this=column_name, table=table_name, **kwargs) +4373 4374 -4375 if table: -4376 table_alias = TableAlias(this=alias) -4377 exp.set("alias", table_alias) -4378 -4379 if not isinstance(table, bool): -4380 for column in table: -4381 table_alias.append("columns", to_identifier(column, quoted=quoted)) -4382 -4383 return exp +4375def alias_( +4376 expression: str | Expression, +4377 alias: str | Identifier, +4378 table: bool | t.Sequence[str | Identifier] = False, +4379 quoted: t.Optional[bool] = None, +4380 dialect: DialectType = None, +4381 **opts, +4382): +4383 """Create an Alias expression. 4384 -4385 # We don't set the "alias" arg for Window expressions, because that would add an IDENTIFIER node in -4386 # the AST, representing a "named_window" [1] construct (eg. bigquery). What we want is an ALIAS node -4387 # for the complete Window expression. -4388 # -4389 # [1]: https://cloud.google.com/bigquery/docs/reference/standard-sql/window-function-calls -4390 -4391 if "alias" in exp.arg_types and not isinstance(exp, Window): -4392 exp = exp.copy() -4393 exp.set("alias", alias) -4394 return exp -4395 return Alias(this=exp, alias=alias) -4396 -4397 -4398def subquery(expression, alias=None, dialect=None, **opts): -4399 """ -4400 Build a subquery expression. +4385 Example: +4386 >>> alias_('foo', 'bar').sql() +4387 'foo AS bar' +4388 +4389 >>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql() +4390 '(SELECT 1, 2) AS bar(a, b)' +4391 +4392 Args: +4393 expression: the SQL code strings to parse. +4394 If an Expression instance is passed, this is used as-is. +4395 alias: the alias name to use. If the name has +4396 special characters it is quoted. +4397 table: Whether or not to create a table alias, can also be a list of columns. +4398 quoted: whether or not to quote the alias +4399 dialect: the dialect used to parse the input expression. +4400 **opts: other options to use to parse the input expressions. 4401 -4402 Example: -4403 >>> subquery('select x from tbl', 'bar').select('x').sql() -4404 'SELECT x FROM (SELECT x FROM tbl) AS bar' -4405 -4406 Args: -4407 expression (str | Expression): the SQL code strings to parse. -4408 If an Expression instance is passed, this is used as-is. -4409 alias (str | Expression): the alias name to use. -4410 dialect (str): the dialect used to parse the input expression. -4411 **opts: other options to use to parse the input expressions. -4412 -4413 Returns: -4414 Select: a new select with the subquery expression included -4415 """ -4416 -4417 expression = maybe_parse(expression, dialect=dialect, **opts).subquery(alias) -4418 return Select().from_(expression, dialect=dialect, **opts) -4419 -4420 -4421def column( -4422 col: str | Identifier, -4423 table: t.Optional[str | Identifier] = None, -4424 schema: t.Optional[str | Identifier] = None, -4425 quoted: t.Optional[bool] = None, -4426) -> Column: -4427 """ -4428 Build a Column. +4402 Returns: +4403 Alias: the aliased expression +4404 """ +4405 exp = maybe_parse(expression, dialect=dialect, **opts) +4406 alias = to_identifier(alias, quoted=quoted) +4407 +4408 if table: +4409 table_alias = TableAlias(this=alias) +4410 exp.set("alias", table_alias) +4411 +4412 if not isinstance(table, bool): +4413 for column in table: +4414 table_alias.append("columns", to_identifier(column, quoted=quoted)) +4415 +4416 return exp +4417 +4418 # We don't set the "alias" arg for Window expressions, because that would add an IDENTIFIER node in +4419 # the AST, representing a "named_window" [1] construct (eg. bigquery). What we want is an ALIAS node +4420 # for the complete Window expression. +4421 # +4422 # [1]: https://cloud.google.com/bigquery/docs/reference/standard-sql/window-function-calls +4423 +4424 if "alias" in exp.arg_types and not isinstance(exp, Window): +4425 exp = exp.copy() +4426 exp.set("alias", alias) +4427 return exp +4428 return Alias(this=exp, alias=alias) 4429 -4430 Args: -4431 col: column name -4432 table: table name -4433 schema: schema name -4434 quoted: whether or not to force quote each part -4435 Returns: -4436 Column: column instance -4437 """ -4438 return Column( -4439 this=to_identifier(col, quoted=quoted), -4440 table=to_identifier(table, quoted=quoted), -4441 schema=to_identifier(schema, quoted=quoted), -4442 ) -4443 -4444 -4445def cast(expression: str | Expression, to: str | DataType | DataType.Type, **opts) -> Cast: -4446 """Cast an expression to a data type. -4447 -4448 Example: -4449 >>> cast('x + 1', 'int').sql() -4450 'CAST(x + 1 AS INT)' -4451 -4452 Args: -4453 expression: The expression to cast. -4454 to: The datatype to cast to. -4455 -4456 Returns: -4457 A cast node. -4458 """ -4459 expression = maybe_parse(expression, **opts) -4460 return Cast(this=expression, to=DataType.build(to, **opts)) -4461 +4430 +4431def subquery(expression, alias=None, dialect=None, **opts): +4432 """ +4433 Build a subquery expression. +4434 +4435 Example: +4436 >>> subquery('select x from tbl', 'bar').select('x').sql() +4437 'SELECT x FROM (SELECT x FROM tbl) AS bar' +4438 +4439 Args: +4440 expression (str | Expression): the SQL code strings to parse. +4441 If an Expression instance is passed, this is used as-is. +4442 alias (str | Expression): the alias name to use. +4443 dialect (str): the dialect used to parse the input expression. +4444 **opts: other options to use to parse the input expressions. +4445 +4446 Returns: +4447 Select: a new select with the subquery expression included +4448 """ +4449 +4450 expression = maybe_parse(expression, dialect=dialect, **opts).subquery(alias) +4451 return Select().from_(expression, dialect=dialect, **opts) +4452 +4453 +4454def column( +4455 col: str | Identifier, +4456 table: t.Optional[str | Identifier] = None, +4457 schema: t.Optional[str | Identifier] = None, +4458 quoted: t.Optional[bool] = None, +4459) -> Column: +4460 """ +4461 Build a Column. 4462 -4463def table_(table, db=None, catalog=None, quoted=None, alias=None) -> Table: -4464 """Build a Table. -4465 -4466 Args: -4467 table (str | Expression): column name -4468 db (str | Expression): db name -4469 catalog (str | Expression): catalog name -4470 -4471 Returns: -4472 Table: table instance -4473 """ -4474 return Table( -4475 this=to_identifier(table, quoted=quoted), -4476 db=to_identifier(db, quoted=quoted), -4477 catalog=to_identifier(catalog, quoted=quoted), -4478 alias=TableAlias(this=to_identifier(alias)) if alias else None, -4479 ) +4463 Args: +4464 col: column name +4465 table: table name +4466 schema: schema name +4467 quoted: whether or not to force quote each part +4468 Returns: +4469 Column: column instance +4470 """ +4471 return Column( +4472 this=to_identifier(col, quoted=quoted), +4473 table=to_identifier(table, quoted=quoted), +4474 schema=to_identifier(schema, quoted=quoted), +4475 ) +4476 +4477 +4478def cast(expression: str | Expression, to: str | DataType | DataType.Type, **opts) -> Cast: +4479 """Cast an expression to a data type. 4480 -4481 -4482def values( -4483 values: t.Iterable[t.Tuple[t.Any, ...]], -4484 alias: t.Optional[str] = None, -4485 columns: t.Optional[t.Iterable[str] | t.Dict[str, DataType]] = None, -4486) -> Values: -4487 """Build VALUES statement. +4481 Example: +4482 >>> cast('x + 1', 'int').sql() +4483 'CAST(x + 1 AS INT)' +4484 +4485 Args: +4486 expression: The expression to cast. +4487 to: The datatype to cast to. 4488 -4489 Example: -4490 >>> values([(1, '2')]).sql() -4491 "VALUES (1, '2')" -4492 -4493 Args: -4494 values: values statements that will be converted to SQL -4495 alias: optional alias -4496 columns: Optional list of ordered column names or ordered dictionary of column names to types. -4497 If either are provided then an alias is also required. -4498 If a dictionary is provided then the first column of the values will be casted to the expected type -4499 in order to help with type inference. -4500 -4501 Returns: -4502 Values: the Values expression object -4503 """ -4504 if columns and not alias: -4505 raise ValueError("Alias is required when providing columns") -4506 table_alias = ( -4507 TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns]) -4508 if columns -4509 else TableAlias(this=to_identifier(alias) if alias else None) -4510 ) -4511 expressions = [convert(tup) for tup in values] -4512 if columns and isinstance(columns, dict): -4513 types = list(columns.values()) -4514 expressions[0].set( -4515 "expressions", -4516 [cast(x, types[i]) for i, x in enumerate(expressions[0].expressions)], -4517 ) -4518 return Values( -4519 expressions=expressions, -4520 alias=table_alias, -4521 ) -4522 -4523 -4524def var(name: t.Optional[str | Expression]) -> Var: -4525 """Build a SQL variable. -4526 -4527 Example: -4528 >>> repr(var('x')) -4529 '(VAR this: x)' -4530 -4531 >>> repr(var(column('x', table='y'))) -4532 '(VAR this: x)' +4489 Returns: +4490 A cast node. +4491 """ +4492 expression = maybe_parse(expression, **opts) +4493 return Cast(this=expression, to=DataType.build(to, **opts)) +4494 +4495 +4496def table_(table, db=None, catalog=None, quoted=None, alias=None) -> Table: +4497 """Build a Table. +4498 +4499 Args: +4500 table (str | Expression): column name +4501 db (str | Expression): db name +4502 catalog (str | Expression): catalog name +4503 +4504 Returns: +4505 Table: table instance +4506 """ +4507 return Table( +4508 this=to_identifier(table, quoted=quoted), +4509 db=to_identifier(db, quoted=quoted), +4510 catalog=to_identifier(catalog, quoted=quoted), +4511 alias=TableAlias(this=to_identifier(alias)) if alias else None, +4512 ) +4513 +4514 +4515def values( +4516 values: t.Iterable[t.Tuple[t.Any, ...]], +4517 alias: t.Optional[str] = None, +4518 columns: t.Optional[t.Iterable[str] | t.Dict[str, DataType]] = None, +4519) -> Values: +4520 """Build VALUES statement. +4521 +4522 Example: +4523 >>> values([(1, '2')]).sql() +4524 "VALUES (1, '2')" +4525 +4526 Args: +4527 values: values statements that will be converted to SQL +4528 alias: optional alias +4529 columns: Optional list of ordered column names or ordered dictionary of column names to types. +4530 If either are provided then an alias is also required. +4531 If a dictionary is provided then the first column of the values will be casted to the expected type +4532 in order to help with type inference. 4533 -4534 Args: -4535 name: The name of the var or an expression who's name will become the var. -4536 -4537 Returns: -4538 The new variable node. -4539 """ -4540 if not name: -4541 raise ValueError(f"Cannot convert empty name into var.") -4542 -4543 if isinstance(name, Expression): -4544 name = name.name -4545 return Var(this=name) -4546 -4547 -4548def rename_table(old_name: str | Table, new_name: str | Table) -> AlterTable: -4549 """Build ALTER TABLE... RENAME... expression -4550 -4551 Args: -4552 old_name: The old name of the table -4553 new_name: The new name of the table -4554 -4555 Returns: -4556 Alter table expression -4557 """ -4558 old_table = to_table(old_name) -4559 new_table = to_table(new_name) -4560 return AlterTable( -4561 this=old_table, -4562 actions=[ -4563 RenameTable(this=new_table), -4564 ], -4565 ) +4534 Returns: +4535 Values: the Values expression object +4536 """ +4537 if columns and not alias: +4538 raise ValueError("Alias is required when providing columns") +4539 table_alias = ( +4540 TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns]) +4541 if columns +4542 else TableAlias(this=to_identifier(alias) if alias else None) +4543 ) +4544 expressions = [convert(tup) for tup in values] +4545 if columns and isinstance(columns, dict): +4546 types = list(columns.values()) +4547 expressions[0].set( +4548 "expressions", +4549 [cast(x, types[i]) for i, x in enumerate(expressions[0].expressions)], +4550 ) +4551 return Values( +4552 expressions=expressions, +4553 alias=table_alias, +4554 ) +4555 +4556 +4557def var(name: t.Optional[str | Expression]) -> Var: +4558 """Build a SQL variable. +4559 +4560 Example: +4561 >>> repr(var('x')) +4562 '(VAR this: x)' +4563 +4564 >>> repr(var(column('x', table='y'))) +4565 '(VAR this: x)' 4566 -4567 -4568def convert(value) -> Expression: -4569 """Convert a python value into an expression object. -4570 -4571 Raises an error if a conversion is not possible. -4572 -4573 Args: -4574 value (Any): a python object +4567 Args: +4568 name: The name of the var or an expression who's name will become the var. +4569 +4570 Returns: +4571 The new variable node. +4572 """ +4573 if not name: +4574 raise ValueError(f"Cannot convert empty name into var.") 4575 -4576 Returns: -4577 Expression: the equivalent expression object -4578 """ -4579 if isinstance(value, Expression): -4580 return value -4581 if value is None: -4582 return NULL -4583 if isinstance(value, bool): -4584 return Boolean(this=value) -4585 if isinstance(value, str): -4586 return Literal.string(value) -4587 if isinstance(value, float) and math.isnan(value): -4588 return NULL -4589 if isinstance(value, numbers.Number): -4590 return Literal.number(value) -4591 if isinstance(value, tuple): -4592 return Tuple(expressions=[convert(v) for v in value]) -4593 if isinstance(value, list): -4594 return Array(expressions=[convert(v) for v in value]) -4595 if isinstance(value, dict): -4596 return Map( -4597 keys=[convert(k) for k in value], -4598 values=[convert(v) for v in value.values()], -4599 ) -4600 if isinstance(value, datetime.datetime): -4601 datetime_literal = Literal.string( -4602 (value if value.tzinfo else value.replace(tzinfo=datetime.timezone.utc)).isoformat() -4603 ) -4604 return TimeStrToTime(this=datetime_literal) -4605 if isinstance(value, datetime.date): -4606 date_literal = Literal.string(value.strftime("%Y-%m-%d")) -4607 return DateStrToDate(this=date_literal) -4608 raise ValueError(f"Cannot convert {value}") -4609 -4610 -4611def replace_children(expression, fun): -4612 """ -4613 Replace children of an expression with the result of a lambda fun(child) -> exp. -4614 """ -4615 for k, v in expression.args.items(): -4616 is_list_arg = isinstance(v, list) -4617 -4618 child_nodes = v if is_list_arg else [v] -4619 new_child_nodes = [] -4620 -4621 for cn in child_nodes: -4622 if isinstance(cn, Expression): -4623 for child_node in ensure_collection(fun(cn)): -4624 new_child_nodes.append(child_node) -4625 child_node.parent = expression -4626 child_node.arg_key = k -4627 else: -4628 new_child_nodes.append(cn) -4629 -4630 expression.args[k] = new_child_nodes if is_list_arg else seq_get(new_child_nodes, 0) -4631 -4632 -4633def column_table_names(expression): -4634 """ -4635 Return all table names referenced through columns in an expression. -4636 -4637 Example: -4638 >>> import sqlglot -4639 >>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e")) -4640 ['c', 'a'] -4641 -4642 Args: -4643 expression (sqlglot.Expression): expression to find table names -4644 -4645 Returns: -4646 list: A list of unique names +4576 if isinstance(name, Expression): +4577 name = name.name +4578 return Var(this=name) +4579 +4580 +4581def rename_table(old_name: str | Table, new_name: str | Table) -> AlterTable: +4582 """Build ALTER TABLE... RENAME... expression +4583 +4584 Args: +4585 old_name: The old name of the table +4586 new_name: The new name of the table +4587 +4588 Returns: +4589 Alter table expression +4590 """ +4591 old_table = to_table(old_name) +4592 new_table = to_table(new_name) +4593 return AlterTable( +4594 this=old_table, +4595 actions=[ +4596 RenameTable(this=new_table), +4597 ], +4598 ) +4599 +4600 +4601def convert(value) -> Expression: +4602 """Convert a python value into an expression object. +4603 +4604 Raises an error if a conversion is not possible. +4605 +4606 Args: +4607 value (Any): a python object +4608 +4609 Returns: +4610 Expression: the equivalent expression object +4611 """ +4612 if isinstance(value, Expression): +4613 return value +4614 if value is None: +4615 return NULL +4616 if isinstance(value, bool): +4617 return Boolean(this=value) +4618 if isinstance(value, str): +4619 return Literal.string(value) +4620 if isinstance(value, float) and math.isnan(value): +4621 return NULL +4622 if isinstance(value, numbers.Number): +4623 return Literal.number(value) +4624 if isinstance(value, tuple): +4625 return Tuple(expressions=[convert(v) for v in value]) +4626 if isinstance(value, list): +4627 return Array(expressions=[convert(v) for v in value]) +4628 if isinstance(value, dict): +4629 return Map( +4630 keys=[convert(k) for k in value], +4631 values=[convert(v) for v in value.values()], +4632 ) +4633 if isinstance(value, datetime.datetime): +4634 datetime_literal = Literal.string( +4635 (value if value.tzinfo else value.replace(tzinfo=datetime.timezone.utc)).isoformat() +4636 ) +4637 return TimeStrToTime(this=datetime_literal) +4638 if isinstance(value, datetime.date): +4639 date_literal = Literal.string(value.strftime("%Y-%m-%d")) +4640 return DateStrToDate(this=date_literal) +4641 raise ValueError(f"Cannot convert {value}") +4642 +4643 +4644def replace_children(expression, fun): +4645 """ +4646 Replace children of an expression with the result of a lambda fun(child) -> exp. 4647 """ -4648 return list(dict.fromkeys(column.table for column in expression.find_all(Column))) -4649 +4648 for k, v in expression.args.items(): +4649 is_list_arg = isinstance(v, list) 4650 -4651def table_name(table) -> str: -4652 """Get the full name of a table as a string. +4651 child_nodes = v if is_list_arg else [v] +4652 new_child_nodes = [] 4653 -4654 Args: -4655 table (exp.Table | str): table expression node or string. -4656 -4657 Examples: -4658 >>> from sqlglot import exp, parse_one -4659 >>> table_name(parse_one("select * from a.b.c").find(exp.Table)) -4660 'a.b.c' -4661 -4662 Returns: -4663 The table name. -4664 """ +4654 for cn in child_nodes: +4655 if isinstance(cn, Expression): +4656 for child_node in ensure_collection(fun(cn)): +4657 new_child_nodes.append(child_node) +4658 child_node.parent = expression +4659 child_node.arg_key = k +4660 else: +4661 new_child_nodes.append(cn) +4662 +4663 expression.args[k] = new_child_nodes if is_list_arg else seq_get(new_child_nodes, 0) +4664 4665 -4666 table = maybe_parse(table, into=Table) -4667 -4668 if not table: -4669 raise ValueError(f"Cannot parse {table}") -4670 -4671 return ".".join( -4672 part -4673 for part in ( -4674 table.text("catalog"), -4675 table.text("db"), -4676 table.name, -4677 ) -4678 if part -4679 ) -4680 -4681 -4682def replace_tables(expression, mapping): -4683 """Replace all tables in expression according to the mapping. -4684 -4685 Args: -4686 expression (sqlglot.Expression): expression node to be transformed and replaced. -4687 mapping (Dict[str, str]): mapping of table names. -4688 -4689 Examples: -4690 >>> from sqlglot import exp, parse_one -4691 >>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql() -4692 'SELECT * FROM c' -4693 -4694 Returns: -4695 The mapped expression. -4696 """ -4697 -4698 def _replace_tables(node): -4699 if isinstance(node, Table): -4700 new_name = mapping.get(table_name(node)) -4701 if new_name: -4702 return to_table( -4703 new_name, -4704 **{k: v for k, v in node.args.items() if k not in ("this", "db", "catalog")}, -4705 ) -4706 return node -4707 -4708 return expression.transform(_replace_tables) -4709 -4710 -4711def replace_placeholders(expression, *args, **kwargs): -4712 """Replace placeholders in an expression. +4666def column_table_names(expression): +4667 """ +4668 Return all table names referenced through columns in an expression. +4669 +4670 Example: +4671 >>> import sqlglot +4672 >>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e")) +4673 ['c', 'a'] +4674 +4675 Args: +4676 expression (sqlglot.Expression): expression to find table names +4677 +4678 Returns: +4679 list: A list of unique names +4680 """ +4681 return list(dict.fromkeys(column.table for column in expression.find_all(Column))) +4682 +4683 +4684def table_name(table) -> str: +4685 """Get the full name of a table as a string. +4686 +4687 Args: +4688 table (exp.Table | str): table expression node or string. +4689 +4690 Examples: +4691 >>> from sqlglot import exp, parse_one +4692 >>> table_name(parse_one("select * from a.b.c").find(exp.Table)) +4693 'a.b.c' +4694 +4695 Returns: +4696 The table name. +4697 """ +4698 +4699 table = maybe_parse(table, into=Table) +4700 +4701 if not table: +4702 raise ValueError(f"Cannot parse {table}") +4703 +4704 return ".".join( +4705 part +4706 for part in ( +4707 table.text("catalog"), +4708 table.text("db"), +4709 table.name, +4710 ) +4711 if part +4712 ) 4713 -4714 Args: -4715 expression (sqlglot.Expression): expression node to be transformed and replaced. -4716 args: positional names that will substitute unnamed placeholders in the given order. -4717 kwargs: keyword arguments that will substitute named placeholders. -4718 -4719 Examples: -4720 >>> from sqlglot import exp, parse_one -4721 >>> replace_placeholders( -4722 ... parse_one("select * from :tbl where ? = ?"), "a", "b", tbl="foo" -4723 ... ).sql() -4724 'SELECT * FROM foo WHERE a = b' -4725 -4726 Returns: -4727 The mapped expression. -4728 """ -4729 -4730 def _replace_placeholders(node, args, **kwargs): -4731 if isinstance(node, Placeholder): -4732 if node.name: -4733 new_name = kwargs.get(node.name) -4734 if new_name: -4735 return to_identifier(new_name) -4736 else: -4737 try: -4738 return to_identifier(next(args)) -4739 except StopIteration: -4740 pass -4741 return node +4714 +4715def replace_tables(expression, mapping): +4716 """Replace all tables in expression according to the mapping. +4717 +4718 Args: +4719 expression (sqlglot.Expression): expression node to be transformed and replaced. +4720 mapping (Dict[str, str]): mapping of table names. +4721 +4722 Examples: +4723 >>> from sqlglot import exp, parse_one +4724 >>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql() +4725 'SELECT * FROM c' +4726 +4727 Returns: +4728 The mapped expression. +4729 """ +4730 +4731 def _replace_tables(node): +4732 if isinstance(node, Table): +4733 new_name = mapping.get(table_name(node)) +4734 if new_name: +4735 return to_table( +4736 new_name, +4737 **{k: v for k, v in node.args.items() if k not in ("this", "db", "catalog")}, +4738 ) +4739 return node +4740 +4741 return expression.transform(_replace_tables) 4742 -4743 return expression.transform(_replace_placeholders, iter(args), **kwargs) -4744 -4745 -4746def expand(expression: Expression, sources: t.Dict[str, Subqueryable], copy=True) -> Expression: -4747 """Transforms an expression by expanding all referenced sources into subqueries. -4748 -4749 Examples: -4750 >>> from sqlglot import parse_one -4751 >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql() -4752 'SELECT * FROM (SELECT * FROM y) AS z /* source: x */' -4753 -4754 Args: -4755 expression: The expression to expand. -4756 sources: A dictionary of name to Subqueryables. -4757 copy: Whether or not to copy the expression during transformation. Defaults to True. +4743 +4744def replace_placeholders(expression, *args, **kwargs): +4745 """Replace placeholders in an expression. +4746 +4747 Args: +4748 expression (sqlglot.Expression): expression node to be transformed and replaced. +4749 args: positional names that will substitute unnamed placeholders in the given order. +4750 kwargs: keyword arguments that will substitute named placeholders. +4751 +4752 Examples: +4753 >>> from sqlglot import exp, parse_one +4754 >>> replace_placeholders( +4755 ... parse_one("select * from :tbl where ? = ?"), "a", "b", tbl="foo" +4756 ... ).sql() +4757 'SELECT * FROM foo WHERE a = b' 4758 4759 Returns: -4760 The transformed expression. +4760 The mapped expression. 4761 """ 4762 -4763 def _expand(node: Expression): -4764 if isinstance(node, Table): -4765 name = table_name(node) -4766 source = sources.get(name) -4767 if source: -4768 subquery = source.subquery(node.alias or name) -4769 subquery.comments = [f"source: {name}"] -4770 return subquery -4771 return node -4772 -4773 return expression.transform(_expand, copy=copy) -4774 +4763 def _replace_placeholders(node, args, **kwargs): +4764 if isinstance(node, Placeholder): +4765 if node.name: +4766 new_name = kwargs.get(node.name) +4767 if new_name: +4768 return to_identifier(new_name) +4769 else: +4770 try: +4771 return to_identifier(next(args)) +4772 except StopIteration: +4773 pass +4774 return node 4775 -4776def func(name: str, *args, dialect: DialectType = None, **kwargs) -> Func: -4777 """ -4778 Returns a Func expression. -4779 -4780 Examples: -4781 >>> func("abs", 5).sql() -4782 'ABS(5)' -4783 -4784 >>> func("cast", this=5, to=DataType.build("DOUBLE")).sql() -4785 'CAST(5 AS DOUBLE)' +4776 return expression.transform(_replace_placeholders, iter(args), **kwargs) +4777 +4778 +4779def expand(expression: Expression, sources: t.Dict[str, Subqueryable], copy=True) -> Expression: +4780 """Transforms an expression by expanding all referenced sources into subqueries. +4781 +4782 Examples: +4783 >>> from sqlglot import parse_one +4784 >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql() +4785 'SELECT * FROM (SELECT * FROM y) AS z /* source: x */' 4786 4787 Args: -4788 name: the name of the function to build. -4789 args: the args used to instantiate the function of interest. -4790 dialect: the source dialect. -4791 kwargs: the kwargs used to instantiate the function of interest. -4792 -4793 Note: -4794 The arguments `args` and `kwargs` are mutually exclusive. +4788 expression: The expression to expand. +4789 sources: A dictionary of name to Subqueryables. +4790 copy: Whether or not to copy the expression during transformation. Defaults to True. +4791 +4792 Returns: +4793 The transformed expression. +4794 """ 4795 -4796 Returns: -4797 An instance of the function of interest, or an anonymous function, if `name` doesn't -4798 correspond to an existing `sqlglot.expressions.Func` class. -4799 """ -4800 if args and kwargs: -4801 raise ValueError("Can't use both args and kwargs to instantiate a function.") -4802 -4803 from sqlglot.dialects.dialect import Dialect -4804 -4805 args = tuple(convert(arg) for arg in args) -4806 kwargs = {key: convert(value) for key, value in kwargs.items()} +4796 def _expand(node: Expression): +4797 if isinstance(node, Table): +4798 name = table_name(node) +4799 source = sources.get(name) +4800 if source: +4801 subquery = source.subquery(node.alias or name) +4802 subquery.comments = [f"source: {name}"] +4803 return subquery +4804 return node +4805 +4806 return expression.transform(_expand, copy=copy) 4807 -4808 parser = Dialect.get_or_raise(dialect)().parser() -4809 from_args_list = parser.FUNCTIONS.get(name.upper()) -4810 -4811 if from_args_list: -4812 function = from_args_list(args) if args else from_args_list.__self__(**kwargs) # type: ignore -4813 else: -4814 kwargs = kwargs or {"expressions": args} -4815 function = Anonymous(this=name, **kwargs) +4808 +4809def func(name: str, *args, dialect: DialectType = None, **kwargs) -> Func: +4810 """ +4811 Returns a Func expression. +4812 +4813 Examples: +4814 >>> func("abs", 5).sql() +4815 'ABS(5)' 4816 -4817 for error_message in function.error_messages(args): -4818 raise ValueError(error_message) +4817 >>> func("cast", this=5, to=DataType.build("DOUBLE")).sql() +4818 'CAST(5 AS DOUBLE)' 4819 -4820 return function -4821 -4822 -4823def true(): -4824 """ -4825 Returns a true Boolean expression. -4826 """ -4827 return Boolean(this=True) +4820 Args: +4821 name: the name of the function to build. +4822 args: the args used to instantiate the function of interest. +4823 dialect: the source dialect. +4824 kwargs: the kwargs used to instantiate the function of interest. +4825 +4826 Note: +4827 The arguments `args` and `kwargs` are mutually exclusive. 4828 -4829 -4830def false(): -4831 """ -4832 Returns a false Boolean expression. -4833 """ -4834 return Boolean(this=False) +4829 Returns: +4830 An instance of the function of interest, or an anonymous function, if `name` doesn't +4831 correspond to an existing `sqlglot.expressions.Func` class. +4832 """ +4833 if args and kwargs: +4834 raise ValueError("Can't use both args and kwargs to instantiate a function.") 4835 -4836 -4837def null(): -4838 """ -4839 Returns a Null expression. -4840 """ -4841 return Null() -4842 +4836 from sqlglot.dialects.dialect import Dialect +4837 +4838 args = tuple(convert(arg) for arg in args) +4839 kwargs = {key: convert(value) for key, value in kwargs.items()} +4840 +4841 parser = Dialect.get_or_raise(dialect)().parser() +4842 from_args_list = parser.FUNCTIONS.get(name.upper()) 4843 -4844# TODO: deprecate this -4845TRUE = Boolean(this=True) -4846FALSE = Boolean(this=False) -4847NULL = Null() +4844 if from_args_list: +4845 function = from_args_list(args) if args else from_args_list.__self__(**kwargs) # type: ignore +4846 else: +4847 kwargs = kwargs or {"expressions": args} +4848 function = Anonymous(this=name, **kwargs) +4849 +4850 for error_message in function.error_messages(args): +4851 raise ValueError(error_message) +4852 +4853 return function +4854 +4855 +4856def true(): +4857 """ +4858 Returns a true Boolean expression. +4859 """ +4860 return Boolean(this=True) +4861 +4862 +4863def false(): +4864 """ +4865 Returns a false Boolean expression. +4866 """ +4867 return Boolean(this=False) +4868 +4869 +4870def null(): +4871 """ +4872 Returns a Null expression. +4873 """ +4874 return Null() +4875 +4876 +4877# TODO: deprecate this +4878TRUE = Boolean(this=True) +4879FALSE = Boolean(this=False) +4880NULL = Null()
    • @@ -7721,563 +7787,573 @@ SQL expressions, such as sqlglot.expressions.select< - 
     54class Expression(metaclass=_Expression):
- 55    """
- 56    The base class for all expressions in a syntax tree. Each Expression encapsulates any necessary
- 57    context, such as its child expressions, their names (arg keys), and whether a given child expression
- 58    is optional or not.
- 59
- 60    Attributes:
- 61        key: a unique key for each class in the Expression hierarchy. This is useful for hashing
- 62            and representing expressions as strings.
- 63        arg_types: determines what arguments (child nodes) are supported by an expression. It
- 64            maps arg keys to booleans that indicate whether the corresponding args are optional.
- 65
- 66    Example:
- 67        >>> class Foo(Expression):
- 68        ...     arg_types = {"this": True, "expression": False}
- 69
- 70        The above definition informs us that Foo is an Expression that requires an argument called
- 71        "this" and may also optionally receive an argument called "expression".
- 72
- 73    Args:
- 74        args: a mapping used for retrieving the arguments of an expression, given their arg keys.
- 75        parent: a reference to the parent expression (or None, in case of root expressions).
- 76        arg_key: the arg key an expression is associated with, i.e. the name its parent expression
- 77            uses to refer to it.
- 78        comments: a list of comments that are associated with a given expression. This is used in
- 79            order to preserve comments when transpiling SQL code.
- 80        _type: the `sqlglot.expressions.DataType` type of an expression. This is inferred by the
- 81            optimizer, in order to enable some transformations that require type information.
- 82    """
- 83
- 84    key = "expression"
- 85    arg_types = {"this": True}
- 86    __slots__ = ("args", "parent", "arg_key", "comments", "_type", "_meta")
- 87
- 88    def __init__(self, **args: t.Any):
- 89        self.args: t.Dict[str, t.Any] = args
- 90        self.parent: t.Optional[Expression] = None
- 91        self.arg_key: t.Optional[str] = None
- 92        self.comments: t.Optional[t.List[str]] = None
- 93        self._type: t.Optional[DataType] = None
- 94        self._meta: t.Optional[t.Dict[str, t.Any]] = None
- 95
- 96        for arg_key, value in self.args.items():
- 97            self._set_parent(arg_key, value)
- 98
- 99    def __eq__(self, other) -> bool:
-100        return type(self) is type(other) and _norm_args(self) == _norm_args(other)
-101
-102    def __hash__(self) -> int:
-103        return hash(
-104            (
-105                self.key,
-106                tuple(
-107                    (k, tuple(v) if isinstance(v, list) else v) for k, v in _norm_args(self).items()
-108                ),
-109            )
-110        )
-111
-112    @property
-113    def this(self):
-114        """
-115        Retrieves the argument with key "this".
-116        """
-117        return self.args.get("this")
-118
-119    @property
-120    def expression(self):
-121        """
-122        Retrieves the argument with key "expression".
-123        """
-124        return self.args.get("expression")
-125
-126    @property
-127    def expressions(self):
-128        """
-129        Retrieves the argument with key "expressions".
-130        """
-131        return self.args.get("expressions") or []
-132
-133    def text(self, key) -> str:
-134        """
-135        Returns a textual representation of the argument corresponding to "key". This can only be used
-136        for args that are strings or leaf Expression instances, such as identifiers and literals.
-137        """
-138        field = self.args.get(key)
-139        if isinstance(field, str):
-140            return field
-141        if isinstance(field, (Identifier, Literal, Var)):
-142            return field.this
-143        if isinstance(field, (Star, Null)):
-144            return field.name
-145        return ""
-146
-147    @property
-148    def is_string(self) -> bool:
-149        """
-150        Checks whether a Literal expression is a string.
-151        """
-152        return isinstance(self, Literal) and self.args["is_string"]
-153
-154    @property
-155    def is_number(self) -> bool:
-156        """
-157        Checks whether a Literal expression is a number.
-158        """
-159        return isinstance(self, Literal) and not self.args["is_string"]
-160
-161    @property
-162    def is_int(self) -> bool:
-163        """
-164        Checks whether a Literal expression is an integer.
-165        """
-166        if self.is_number:
-167            try:
-168                int(self.name)
-169                return True
-170            except ValueError:
-171                pass
-172        return False
-173
-174    @property
-175    def is_star(self) -> bool:
-176        """Checks whether an expression is a star."""
-177        return isinstance(self, Star) or (isinstance(self, Column) and isinstance(self.this, Star))
-178
-179    @property
-180    def alias(self) -> str:
-181        """
-182        Returns the alias of the expression, or an empty string if it's not aliased.
-183        """
-184        if isinstance(self.args.get("alias"), TableAlias):
-185            return self.args["alias"].name
-186        return self.text("alias")
-187
-188    @property
-189    def name(self) -> str:
-190        return self.text("this")
-191
-192    @property
-193    def alias_or_name(self):
-194        return self.alias or self.name
-195
-196    @property
-197    def output_name(self):
-198        """
-199        Name of the output column if this expression is a selection.
-200
-201        If the Expression has no output name, an empty string is returned.
+            
     56class Expression(metaclass=_Expression):
+ 57    """
+ 58    The base class for all expressions in a syntax tree. Each Expression encapsulates any necessary
+ 59    context, such as its child expressions, their names (arg keys), and whether a given child expression
+ 60    is optional or not.
+ 61
+ 62    Attributes:
+ 63        key: a unique key for each class in the Expression hierarchy. This is useful for hashing
+ 64            and representing expressions as strings.
+ 65        arg_types: determines what arguments (child nodes) are supported by an expression. It
+ 66            maps arg keys to booleans that indicate whether the corresponding args are optional.
+ 67
+ 68    Example:
+ 69        >>> class Foo(Expression):
+ 70        ...     arg_types = {"this": True, "expression": False}
+ 71
+ 72        The above definition informs us that Foo is an Expression that requires an argument called
+ 73        "this" and may also optionally receive an argument called "expression".
+ 74
+ 75    Args:
+ 76        args: a mapping used for retrieving the arguments of an expression, given their arg keys.
+ 77        parent: a reference to the parent expression (or None, in case of root expressions).
+ 78        arg_key: the arg key an expression is associated with, i.e. the name its parent expression
+ 79            uses to refer to it.
+ 80        comments: a list of comments that are associated with a given expression. This is used in
+ 81            order to preserve comments when transpiling SQL code.
+ 82        _type: the `sqlglot.expressions.DataType` type of an expression. This is inferred by the
+ 83            optimizer, in order to enable some transformations that require type information.
+ 84    """
+ 85
+ 86    key = "expression"
+ 87    arg_types = {"this": True}
+ 88    __slots__ = ("args", "parent", "arg_key", "comments", "_type", "_meta")
+ 89
+ 90    def __init__(self, **args: t.Any):
+ 91        self.args: t.Dict[str, t.Any] = args
+ 92        self.parent: t.Optional[Expression] = None
+ 93        self.arg_key: t.Optional[str] = None
+ 94        self.comments: t.Optional[t.List[str]] = None
+ 95        self._type: t.Optional[DataType] = None
+ 96        self._meta: t.Optional[t.Dict[str, t.Any]] = None
+ 97
+ 98        for arg_key, value in self.args.items():
+ 99            self._set_parent(arg_key, value)
+100
+101    def __eq__(self, other) -> bool:
+102        return type(self) is type(other) and _norm_args(self) == _norm_args(other)
+103
+104    def __hash__(self) -> int:
+105        return hash(
+106            (
+107                self.key,
+108                tuple(
+109                    (k, tuple(v) if isinstance(v, list) else v) for k, v in _norm_args(self).items()
+110                ),
+111            )
+112        )
+113
+114    @property
+115    def this(self):
+116        """
+117        Retrieves the argument with key "this".
+118        """
+119        return self.args.get("this")
+120
+121    @property
+122    def expression(self):
+123        """
+124        Retrieves the argument with key "expression".
+125        """
+126        return self.args.get("expression")
+127
+128    @property
+129    def expressions(self):
+130        """
+131        Retrieves the argument with key "expressions".
+132        """
+133        return self.args.get("expressions") or []
+134
+135    def text(self, key) -> str:
+136        """
+137        Returns a textual representation of the argument corresponding to "key". This can only be used
+138        for args that are strings or leaf Expression instances, such as identifiers and literals.
+139        """
+140        field = self.args.get(key)
+141        if isinstance(field, str):
+142            return field
+143        if isinstance(field, (Identifier, Literal, Var)):
+144            return field.this
+145        if isinstance(field, (Star, Null)):
+146            return field.name
+147        return ""
+148
+149    @property
+150    def is_string(self) -> bool:
+151        """
+152        Checks whether a Literal expression is a string.
+153        """
+154        return isinstance(self, Literal) and self.args["is_string"]
+155
+156    @property
+157    def is_number(self) -> bool:
+158        """
+159        Checks whether a Literal expression is a number.
+160        """
+161        return isinstance(self, Literal) and not self.args["is_string"]
+162
+163    @property
+164    def is_int(self) -> bool:
+165        """
+166        Checks whether a Literal expression is an integer.
+167        """
+168        if self.is_number:
+169            try:
+170                int(self.name)
+171                return True
+172            except ValueError:
+173                pass
+174        return False
+175
+176    @property
+177    def is_star(self) -> bool:
+178        """Checks whether an expression is a star."""
+179        return isinstance(self, Star) or (isinstance(self, Column) and isinstance(self.this, Star))
+180
+181    @property
+182    def alias(self) -> str:
+183        """
+184        Returns the alias of the expression, or an empty string if it's not aliased.
+185        """
+186        if isinstance(self.args.get("alias"), TableAlias):
+187            return self.args["alias"].name
+188        return self.text("alias")
+189
+190    @property
+191    def name(self) -> str:
+192        return self.text("this")
+193
+194    @property
+195    def alias_or_name(self):
+196        return self.alias or self.name
+197
+198    @property
+199    def output_name(self):
+200        """
+201        Name of the output column if this expression is a selection.
 202
-203        Example:
-204            >>> from sqlglot import parse_one
-205            >>> parse_one("SELECT a").expressions[0].output_name
-206            'a'
-207            >>> parse_one("SELECT b AS c").expressions[0].output_name
-208            'c'
-209            >>> parse_one("SELECT 1 + 2").expressions[0].output_name
-210            ''
-211        """
-212        return ""
-213
-214    @property
-215    def type(self) -> t.Optional[DataType]:
-216        return self._type
-217
-218    @type.setter
-219    def type(self, dtype: t.Optional[DataType | DataType.Type | str]) -> None:
-220        if dtype and not isinstance(dtype, DataType):
-221            dtype = DataType.build(dtype)
-222        self._type = dtype  # type: ignore
-223
-224    @property
-225    def meta(self) -> t.Dict[str, t.Any]:
-226        if self._meta is None:
-227            self._meta = {}
-228        return self._meta
-229
-230    def __deepcopy__(self, memo):
-231        copy = self.__class__(**deepcopy(self.args))
-232        if self.comments is not None:
-233            copy.comments = deepcopy(self.comments)
-234
-235        if self._type is not None:
-236            copy._type = self._type.copy()
-237
-238        if self._meta is not None:
-239            copy._meta = deepcopy(self._meta)
-240
-241        return copy
+203        If the Expression has no output name, an empty string is returned.
+204
+205        Example:
+206            >>> from sqlglot import parse_one
+207            >>> parse_one("SELECT a").expressions[0].output_name
+208            'a'
+209            >>> parse_one("SELECT b AS c").expressions[0].output_name
+210            'c'
+211            >>> parse_one("SELECT 1 + 2").expressions[0].output_name
+212            ''
+213        """
+214        return ""
+215
+216    @property
+217    def type(self) -> t.Optional[DataType]:
+218        return self._type
+219
+220    @type.setter
+221    def type(self, dtype: t.Optional[DataType | DataType.Type | str]) -> None:
+222        if dtype and not isinstance(dtype, DataType):
+223            dtype = DataType.build(dtype)
+224        self._type = dtype  # type: ignore
+225
+226    @property
+227    def meta(self) -> t.Dict[str, t.Any]:
+228        if self._meta is None:
+229            self._meta = {}
+230        return self._meta
+231
+232    def __deepcopy__(self, memo):
+233        copy = self.__class__(**deepcopy(self.args))
+234        if self.comments is not None:
+235            copy.comments = deepcopy(self.comments)
+236
+237        if self._type is not None:
+238            copy._type = self._type.copy()
+239
+240        if self._meta is not None:
+241            copy._meta = deepcopy(self._meta)
 242
-243    def copy(self):
-244        """
-245        Returns a deep copy of the expression.
-246        """
-247        new = deepcopy(self)
-248        new.parent = self.parent
-249        for item, parent, _ in new.bfs():
-250            if isinstance(item, Expression) and parent:
-251                item.parent = parent
-252        return new
-253
-254    def append(self, arg_key, value):
-255        """
-256        Appends value to arg_key if it's a list or sets it as a new list.
-257
-258        Args:
-259            arg_key (str): name of the list expression arg
-260            value (Any): value to append to the list
-261        """
-262        if not isinstance(self.args.get(arg_key), list):
-263            self.args[arg_key] = []
-264        self.args[arg_key].append(value)
-265        self._set_parent(arg_key, value)
-266
-267    def set(self, arg_key, value):
-268        """
-269        Sets `arg_key` to `value`.
-270
-271        Args:
-272            arg_key (str): name of the expression arg.
-273            value: value to set the arg to.
-274        """
-275        self.args[arg_key] = value
-276        self._set_parent(arg_key, value)
-277
-278    def _set_parent(self, arg_key, value):
-279        if isinstance(value, Expression):
-280            value.parent = self
-281            value.arg_key = arg_key
-282        elif isinstance(value, list):
-283            for v in value:
-284                if isinstance(v, Expression):
-285                    v.parent = self
-286                    v.arg_key = arg_key
-287
-288    @property
-289    def depth(self):
-290        """
-291        Returns the depth of this tree.
-292        """
-293        if self.parent:
-294            return self.parent.depth + 1
-295        return 0
-296
-297    def find(self, *expression_types, bfs=True):
-298        """
-299        Returns the first node in this tree which matches at least one of
-300        the specified types.
-301
-302        Args:
-303            expression_types (type): the expression type(s) to match.
-304
-305        Returns:
-306            The node which matches the criteria or None if no such node was found.
-307        """
-308        return next(self.find_all(*expression_types, bfs=bfs), None)
-309
-310    def find_all(self, *expression_types, bfs=True):
-311        """
-312        Returns a generator object which visits all nodes in this tree and only
-313        yields those that match at least one of the specified expression types.
-314
-315        Args:
-316            expression_types (type): the expression type(s) to match.
-317
-318        Returns:
-319            The generator object.
-320        """
-321        for expression, _, _ in self.walk(bfs=bfs):
-322            if isinstance(expression, expression_types):
-323                yield expression
-324
-325    def find_ancestor(self, *expression_types):
-326        """
-327        Returns a nearest parent matching expression_types.
-328
-329        Args:
-330            expression_types (type): the expression type(s) to match.
-331
-332        Returns:
-333            The parent node.
-334        """
-335        ancestor = self.parent
-336        while ancestor and not isinstance(ancestor, expression_types):
-337            ancestor = ancestor.parent
-338        return ancestor
-339
-340    @property
-341    def parent_select(self):
-342        """
-343        Returns the parent select statement.
-344        """
-345        return self.find_ancestor(Select)
-346
-347    def walk(self, bfs=True, prune=None):
-348        """
-349        Returns a generator object which visits all nodes in this tree.
-350
-351        Args:
-352            bfs (bool): if set to True the BFS traversal order will be applied,
-353                otherwise the DFS traversal will be used instead.
-354            prune ((node, parent, arg_key) -> bool): callable that returns True if
-355                the generator should stop traversing this branch of the tree.
-356
-357        Returns:
-358            the generator object.
-359        """
-360        if bfs:
-361            yield from self.bfs(prune=prune)
-362        else:
-363            yield from self.dfs(prune=prune)
-364
-365    def dfs(self, parent=None, key=None, prune=None):
-366        """
-367        Returns a generator object which visits all nodes in this tree in
-368        the DFS (Depth-first) order.
-369
-370        Returns:
-371            The generator object.
-372        """
-373        parent = parent or self.parent
-374        yield self, parent, key
-375        if prune and prune(self, parent, key):
-376            return
-377
-378        for k, v in self.args.items():
-379            for node in ensure_collection(v):
-380                if isinstance(node, Expression):
-381                    yield from node.dfs(self, k, prune)
-382
-383    def bfs(self, prune=None):
-384        """
-385        Returns a generator object which visits all nodes in this tree in
-386        the BFS (Breadth-first) order.
-387
-388        Returns:
-389            The generator object.
-390        """
-391        queue = deque([(self, self.parent, None)])
-392
-393        while queue:
-394            item, parent, key = queue.popleft()
-395
-396            yield item, parent, key
-397            if prune and prune(item, parent, key):
-398                continue
+243        return copy
+244
+245    def copy(self):
+246        """
+247        Returns a deep copy of the expression.
+248        """
+249        new = deepcopy(self)
+250        new.parent = self.parent
+251        for item, parent, _ in new.bfs():
+252            if isinstance(item, Expression) and parent:
+253                item.parent = parent
+254        return new
+255
+256    def append(self, arg_key, value):
+257        """
+258        Appends value to arg_key if it's a list or sets it as a new list.
+259
+260        Args:
+261            arg_key (str): name of the list expression arg
+262            value (Any): value to append to the list
+263        """
+264        if not isinstance(self.args.get(arg_key), list):
+265            self.args[arg_key] = []
+266        self.args[arg_key].append(value)
+267        self._set_parent(arg_key, value)
+268
+269    def set(self, arg_key, value):
+270        """
+271        Sets `arg_key` to `value`.
+272
+273        Args:
+274            arg_key (str): name of the expression arg.
+275            value: value to set the arg to.
+276        """
+277        self.args[arg_key] = value
+278        self._set_parent(arg_key, value)
+279
+280    def _set_parent(self, arg_key, value):
+281        if isinstance(value, Expression):
+282            value.parent = self
+283            value.arg_key = arg_key
+284        elif isinstance(value, list):
+285            for v in value:
+286                if isinstance(v, Expression):
+287                    v.parent = self
+288                    v.arg_key = arg_key
+289
+290    @property
+291    def depth(self):
+292        """
+293        Returns the depth of this tree.
+294        """
+295        if self.parent:
+296            return self.parent.depth + 1
+297        return 0
+298
+299    def find(self, *expression_types: t.Type[E], bfs=True) -> E | None:
+300        """
+301        Returns the first node in this tree which matches at least one of
+302        the specified types.
+303
+304        Args:
+305            expression_types (type): the expression type(s) to match.
+306
+307        Returns:
+308            The node which matches the criteria or None if no such node was found.
+309        """
+310        return next(self.find_all(*expression_types, bfs=bfs), None)
+311
+312    def find_all(self, *expression_types: t.Type[E], bfs=True) -> t.Iterator[E]:
+313        """
+314        Returns a generator object which visits all nodes in this tree and only
+315        yields those that match at least one of the specified expression types.
+316
+317        Args:
+318            expression_types (type): the expression type(s) to match.
+319
+320        Returns:
+321            The generator object.
+322        """
+323        for expression, _, _ in self.walk(bfs=bfs):
+324            if isinstance(expression, expression_types):
+325                yield expression
+326
+327    def find_ancestor(self, *expression_types: t.Type[E]) -> E | None:
+328        """
+329        Returns a nearest parent matching expression_types.
+330
+331        Args:
+332            expression_types (type): the expression type(s) to match.
+333
+334        Returns:
+335            The parent node.
+336        """
+337        ancestor = self.parent
+338        while ancestor and not isinstance(ancestor, expression_types):
+339            ancestor = ancestor.parent
+340        # ignore type because mypy doesn't know that we're checking type in the loop
+341        return ancestor  # type: ignore[return-value]
+342
+343    @property
+344    def parent_select(self):
+345        """
+346        Returns the parent select statement.
+347        """
+348        return self.find_ancestor(Select)
+349
+350    def root(self) -> Expression:
+351        """
+352        Returns the root expression of this tree.
+353        """
+354        expression = self
+355        while expression.parent:
+356            expression = expression.parent
+357        return expression
+358
+359    def walk(self, bfs=True, prune=None):
+360        """
+361        Returns a generator object which visits all nodes in this tree.
+362
+363        Args:
+364            bfs (bool): if set to True the BFS traversal order will be applied,
+365                otherwise the DFS traversal will be used instead.
+366            prune ((node, parent, arg_key) -> bool): callable that returns True if
+367                the generator should stop traversing this branch of the tree.
+368
+369        Returns:
+370            the generator object.
+371        """
+372        if bfs:
+373            yield from self.bfs(prune=prune)
+374        else:
+375            yield from self.dfs(prune=prune)
+376
+377    def dfs(self, parent=None, key=None, prune=None):
+378        """
+379        Returns a generator object which visits all nodes in this tree in
+380        the DFS (Depth-first) order.
+381
+382        Returns:
+383            The generator object.
+384        """
+385        parent = parent or self.parent
+386        yield self, parent, key
+387        if prune and prune(self, parent, key):
+388            return
+389
+390        for k, v in self.args.items():
+391            for node in ensure_collection(v):
+392                if isinstance(node, Expression):
+393                    yield from node.dfs(self, k, prune)
+394
+395    def bfs(self, prune=None):
+396        """
+397        Returns a generator object which visits all nodes in this tree in
+398        the BFS (Breadth-first) order.
 399
-400            if isinstance(item, Expression):
-401                for k, v in item.args.items():
-402                    for node in ensure_collection(v):
-403                        if isinstance(node, Expression):
-404                            queue.append((node, item, k))
-405
-406    def unnest(self):
-407        """
-408        Returns the first non parenthesis child or self.
-409        """
-410        expression = self
-411        while isinstance(expression, Paren):
-412            expression = expression.this
-413        return expression
-414
-415    def unalias(self):
-416        """
-417        Returns the inner expression if this is an Alias.
-418        """
-419        if isinstance(self, Alias):
-420            return self.this
-421        return self
-422
-423    def unnest_operands(self):
-424        """
-425        Returns unnested operands as a tuple.
-426        """
-427        return tuple(arg.unnest() for arg in self.args.values() if arg)
-428
-429    def flatten(self, unnest=True):
-430        """
-431        Returns a generator which yields child nodes who's parents are the same class.
-432
-433        A AND B AND C -> [A, B, C]
-434        """
-435        for node, _, _ in self.dfs(prune=lambda n, p, *_: p and not isinstance(n, self.__class__)):
-436            if not isinstance(node, self.__class__):
-437                yield node.unnest() if unnest else node
-438
-439    def __str__(self):
-440        return self.sql()
-441
-442    def __repr__(self):
-443        return self._to_s()
+400        Returns:
+401            The generator object.
+402        """
+403        queue = deque([(self, self.parent, None)])
+404
+405        while queue:
+406            item, parent, key = queue.popleft()
+407
+408            yield item, parent, key
+409            if prune and prune(item, parent, key):
+410                continue
+411
+412            if isinstance(item, Expression):
+413                for k, v in item.args.items():
+414                    for node in ensure_collection(v):
+415                        if isinstance(node, Expression):
+416                            queue.append((node, item, k))
+417
+418    def unnest(self):
+419        """
+420        Returns the first non parenthesis child or self.
+421        """
+422        expression = self
+423        while isinstance(expression, Paren):
+424            expression = expression.this
+425        return expression
+426
+427    def unalias(self):
+428        """
+429        Returns the inner expression if this is an Alias.
+430        """
+431        if isinstance(self, Alias):
+432            return self.this
+433        return self
+434
+435    def unnest_operands(self):
+436        """
+437        Returns unnested operands as a tuple.
+438        """
+439        return tuple(arg.unnest() for arg in self.args.values() if arg)
+440
+441    def flatten(self, unnest=True):
+442        """
+443        Returns a generator which yields child nodes who's parents are the same class.
 444
-445    def sql(self, dialect: DialectType = None, **opts) -> str:
-446        """
-447        Returns SQL string representation of this tree.
-448
-449        Args:
-450            dialect: the dialect of the output SQL string (eg. "spark", "hive", "presto", "mysql").
-451            opts: other `sqlglot.generator.Generator` options.
-452
-453        Returns:
-454            The SQL string.
-455        """
-456        from sqlglot.dialects import Dialect
-457
-458        return Dialect.get_or_raise(dialect)().generate(self, **opts)
-459
-460    def _to_s(self, hide_missing: bool = True, level: int = 0) -> str:
-461        indent = "" if not level else "\n"
-462        indent += "".join(["  "] * level)
-463        left = f"({self.key.upper()} "
+445        A AND B AND C -> [A, B, C]
+446        """
+447        for node, _, _ in self.dfs(prune=lambda n, p, *_: p and not isinstance(n, self.__class__)):
+448            if not isinstance(node, self.__class__):
+449                yield node.unnest() if unnest else node
+450
+451    def __str__(self):
+452        return self.sql()
+453
+454    def __repr__(self):
+455        return self._to_s()
+456
+457    def sql(self, dialect: DialectType = None, **opts) -> str:
+458        """
+459        Returns SQL string representation of this tree.
+460
+461        Args:
+462            dialect: the dialect of the output SQL string (eg. "spark", "hive", "presto", "mysql").
+463            opts: other `sqlglot.generator.Generator` options.
 464
-465        args: t.Dict[str, t.Any] = {
-466            k: ", ".join(
-467                v._to_s(hide_missing=hide_missing, level=level + 1)
-468                if hasattr(v, "_to_s")
-469                else str(v)
-470                for v in ensure_collection(vs)
-471                if v is not None
-472            )
-473            for k, vs in self.args.items()
-474        }
-475        args["comments"] = self.comments
-476        args["type"] = self.type
-477        args = {k: v for k, v in args.items() if v or not hide_missing}
-478
-479        right = ", ".join(f"{k}: {v}" for k, v in args.items())
-480        right += ")"
-481
-482        return indent + left + right
-483
-484    def transform(self, fun, *args, copy=True, **kwargs):
-485        """
-486        Recursively visits all tree nodes (excluding already transformed ones)
-487        and applies the given transformation function to each node.
-488
-489        Args:
-490            fun (function): a function which takes a node as an argument and returns a
-491                new transformed node or the same node without modifications. If the function
-492                returns None, then the corresponding node will be removed from the syntax tree.
-493            copy (bool): if set to True a new tree instance is constructed, otherwise the tree is
-494                modified in place.
+465        Returns:
+466            The SQL string.
+467        """
+468        from sqlglot.dialects import Dialect
+469
+470        return Dialect.get_or_raise(dialect)().generate(self, **opts)
+471
+472    def _to_s(self, hide_missing: bool = True, level: int = 0) -> str:
+473        indent = "" if not level else "\n"
+474        indent += "".join(["  "] * level)
+475        left = f"({self.key.upper()} "
+476
+477        args: t.Dict[str, t.Any] = {
+478            k: ", ".join(
+479                v._to_s(hide_missing=hide_missing, level=level + 1)
+480                if hasattr(v, "_to_s")
+481                else str(v)
+482                for v in ensure_collection(vs)
+483                if v is not None
+484            )
+485            for k, vs in self.args.items()
+486        }
+487        args["comments"] = self.comments
+488        args["type"] = self.type
+489        args = {k: v for k, v in args.items() if v or not hide_missing}
+490
+491        right = ", ".join(f"{k}: {v}" for k, v in args.items())
+492        right += ")"
+493
+494        return indent + left + right
 495
-496        Returns:
-497            The transformed tree.
-498        """
-499        node = self.copy() if copy else self
-500        new_node = fun(node, *args, **kwargs)
-501
-502        if new_node is None or not isinstance(new_node, Expression):
-503            return new_node
-504        if new_node is not node:
-505            new_node.parent = node.parent
-506            return new_node
+496    def transform(self, fun, *args, copy=True, **kwargs):
+497        """
+498        Recursively visits all tree nodes (excluding already transformed ones)
+499        and applies the given transformation function to each node.
+500
+501        Args:
+502            fun (function): a function which takes a node as an argument and returns a
+503                new transformed node or the same node without modifications. If the function
+504                returns None, then the corresponding node will be removed from the syntax tree.
+505            copy (bool): if set to True a new tree instance is constructed, otherwise the tree is
+506                modified in place.
 507
-508        replace_children(new_node, lambda child: child.transform(fun, *args, copy=False, **kwargs))
-509        return new_node
-510
-511    def replace(self, expression):
-512        """
-513        Swap out this expression with a new expression.
-514
-515        For example::
-516
-517            >>> tree = Select().select("x").from_("tbl")
-518            >>> tree.find(Column).replace(Column(this="y"))
-519            (COLUMN this: y)
-520            >>> tree.sql()
-521            'SELECT y FROM tbl'
+508        Returns:
+509            The transformed tree.
+510        """
+511        node = self.copy() if copy else self
+512        new_node = fun(node, *args, **kwargs)
+513
+514        if new_node is None or not isinstance(new_node, Expression):
+515            return new_node
+516        if new_node is not node:
+517            new_node.parent = node.parent
+518            return new_node
+519
+520        replace_children(new_node, lambda child: child.transform(fun, *args, copy=False, **kwargs))
+521        return new_node
 522
-523        Args:
-524            expression (Expression|None): new node
-525
-526        Returns:
-527            The new expression or expressions.
-528        """
-529        if not self.parent:
-530            return expression
-531
-532        parent = self.parent
-533        self.parent = None
+523    def replace(self, expression):
+524        """
+525        Swap out this expression with a new expression.
+526
+527        For example::
+528
+529            >>> tree = Select().select("x").from_("tbl")
+530            >>> tree.find(Column).replace(Column(this="y"))
+531            (COLUMN this: y)
+532            >>> tree.sql()
+533            'SELECT y FROM tbl'
 534
-535        replace_children(parent, lambda child: expression if child is self else child)
-536        return expression
+535        Args:
+536            expression (Expression|None): new node
 537
-538    def pop(self):
-539        """
-540        Remove this expression from its AST.
-541        """
-542        self.replace(None)
+538        Returns:
+539            The new expression or expressions.
+540        """
+541        if not self.parent:
+542            return expression
 543
-544    def assert_is(self, type_):
-545        """
-546        Assert that this `Expression` is an instance of `type_`.
-547
-548        If it is NOT an instance of `type_`, this raises an assertion error.
-549        Otherwise, this returns this expression.
-550
-551        Examples:
-552            This is useful for type security in chained expressions:
-553
-554            >>> import sqlglot
-555            >>> sqlglot.parse_one("SELECT x from y").assert_is(Select).select("z").sql()
-556            'SELECT x, z FROM y'
-557        """
-558        assert isinstance(self, type_)
-559        return self
-560
-561    def error_messages(self, args: t.Optional[t.Sequence] = None) -> t.List[str]:
-562        """
-563        Checks if this expression is valid (e.g. all mandatory args are set).
-564
-565        Args:
-566            args: a sequence of values that were used to instantiate a Func expression. This is used
-567                to check that the provided arguments don't exceed the function argument limit.
-568
-569        Returns:
-570            A list of error messages for all possible errors that were found.
-571        """
-572        errors: t.List[str] = []
-573
-574        for k in self.args:
-575            if k not in self.arg_types:
-576                errors.append(f"Unexpected keyword: '{k}' for {self.__class__}")
-577        for k, mandatory in self.arg_types.items():
-578            v = self.args.get(k)
-579            if mandatory and (v is None or (isinstance(v, list) and not v)):
-580                errors.append(f"Required keyword: '{k}' missing for {self.__class__}")
-581
-582        if (
-583            args
-584            and isinstance(self, Func)
-585            and len(args) > len(self.arg_types)
-586            and not self.is_var_len_args
-587        ):
-588            errors.append(
-589                f"The number of provided arguments ({len(args)}) is greater than "
-590                f"the maximum number of supported arguments ({len(self.arg_types)})"
-591            )
-592
-593        return errors
-594
-595    def dump(self):
-596        """
-597        Dump this Expression to a JSON-serializable dict.
-598        """
-599        from sqlglot.serde import dump
-600
-601        return dump(self)
-602
-603    @classmethod
-604    def load(cls, obj):
-605        """
-606        Load a dict (as returned by `Expression.dump`) into an Expression instance.
-607        """
-608        from sqlglot.serde import load
-609
-610        return load(obj)
+544        parent = self.parent
+545        self.parent = None
+546
+547        replace_children(parent, lambda child: expression if child is self else child)
+548        return expression
+549
+550    def pop(self):
+551        """
+552        Remove this expression from its AST.
+553        """
+554        self.replace(None)
+555
+556    def assert_is(self, type_):
+557        """
+558        Assert that this `Expression` is an instance of `type_`.
+559
+560        If it is NOT an instance of `type_`, this raises an assertion error.
+561        Otherwise, this returns this expression.
+562
+563        Examples:
+564            This is useful for type security in chained expressions:
+565
+566            >>> import sqlglot
+567            >>> sqlglot.parse_one("SELECT x from y").assert_is(Select).select("z").sql()
+568            'SELECT x, z FROM y'
+569        """
+570        assert isinstance(self, type_)
+571        return self
+572
+573    def error_messages(self, args: t.Optional[t.Sequence] = None) -> t.List[str]:
+574        """
+575        Checks if this expression is valid (e.g. all mandatory args are set).
+576
+577        Args:
+578            args: a sequence of values that were used to instantiate a Func expression. This is used
+579                to check that the provided arguments don't exceed the function argument limit.
+580
+581        Returns:
+582            A list of error messages for all possible errors that were found.
+583        """
+584        errors: t.List[str] = []
+585
+586        for k in self.args:
+587            if k not in self.arg_types:
+588                errors.append(f"Unexpected keyword: '{k}' for {self.__class__}")
+589        for k, mandatory in self.arg_types.items():
+590            v = self.args.get(k)
+591            if mandatory and (v is None or (isinstance(v, list) and not v)):
+592                errors.append(f"Required keyword: '{k}' missing for {self.__class__}")
+593
+594        if (
+595            args
+596            and isinstance(self, Func)
+597            and len(args) > len(self.arg_types)
+598            and not self.is_var_len_args
+599        ):
+600            errors.append(
+601                f"The number of provided arguments ({len(args)}) is greater than "
+602                f"the maximum number of supported arguments ({len(self.arg_types)})"
+603            )
+604
+605        return errors
+606
+607    def dump(self):
+608        """
+609        Dump this Expression to a JSON-serializable dict.
+610        """
+611        from sqlglot.serde import dump
+612
+613        return dump(self)
+614
+615    @classmethod
+616    def load(cls, obj):
+617        """
+618        Load a dict (as returned by `Expression.dump`) into an Expression instance.
+619        """
+620        from sqlglot.serde import load
+621
+622        return load(obj)
 
    
 
 
@@ -8332,16 +8408,16 @@ optimizer, in order to enable some transformations that require type information
    - 
    88    def __init__(self, **args: t.Any):
-89        self.args: t.Dict[str, t.Any] = args
-90        self.parent: t.Optional[Expression] = None
-91        self.arg_key: t.Optional[str] = None
-92        self.comments: t.Optional[t.List[str]] = None
-93        self._type: t.Optional[DataType] = None
-94        self._meta: t.Optional[t.Dict[str, t.Any]] = None
-95
-96        for arg_key, value in self.args.items():
-97            self._set_parent(arg_key, value)
+            
    90    def __init__(self, **args: t.Any):
+91        self.args: t.Dict[str, t.Any] = args
+92        self.parent: t.Optional[Expression] = None
+93        self.arg_key: t.Optional[str] = None
+94        self.comments: t.Optional[t.List[str]] = None
+95        self._type: t.Optional[DataType] = None
+96        self._meta: t.Optional[t.Dict[str, t.Any]] = None
+97
+98        for arg_key, value in self.args.items():
+99            self._set_parent(arg_key, value)
 
    
 
 
@@ -8398,19 +8474,19 @@ optimizer, in order to enable some transformations that require type information
    - 
    133    def text(self, key) -> str:
-134        """
-135        Returns a textual representation of the argument corresponding to "key". This can only be used
-136        for args that are strings or leaf Expression instances, such as identifiers and literals.
-137        """
-138        field = self.args.get(key)
-139        if isinstance(field, str):
-140            return field
-141        if isinstance(field, (Identifier, Literal, Var)):
-142            return field.this
-143        if isinstance(field, (Star, Null)):
-144            return field.name
-145        return ""
+            
    135    def text(self, key) -> str:
+136        """
+137        Returns a textual representation of the argument corresponding to "key". This can only be used
+138        for args that are strings or leaf Expression instances, such as identifiers and literals.
+139        """
+140        field = self.args.get(key)
+141        if isinstance(field, str):
+142            return field
+143        if isinstance(field, (Identifier, Literal, Var)):
+144            return field.this
+145        if isinstance(field, (Star, Null)):
+146            return field.name
+147        return ""
 
    
 
 
@@ -8526,16 +8602,16 @@ for args that are strings or leaf Expression instances, such as identifiers and
    - 
    243    def copy(self):
-244        """
-245        Returns a deep copy of the expression.
-246        """
-247        new = deepcopy(self)
-248        new.parent = self.parent
-249        for item, parent, _ in new.bfs():
-250            if isinstance(item, Expression) and parent:
-251                item.parent = parent
-252        return new
+            
    245    def copy(self):
+246        """
+247        Returns a deep copy of the expression.
+248        """
+249        new = deepcopy(self)
+250        new.parent = self.parent
+251        for item, parent, _ in new.bfs():
+252            if isinstance(item, Expression) and parent:
+253                item.parent = parent
+254        return new
 
    
 
 
@@ -8555,18 +8631,18 @@ for args that are strings or leaf Expression instances, such as identifiers and
    - 
    254    def append(self, arg_key, value):
-255        """
-256        Appends value to arg_key if it's a list or sets it as a new list.
-257
-258        Args:
-259            arg_key (str): name of the list expression arg
-260            value (Any): value to append to the list
-261        """
-262        if not isinstance(self.args.get(arg_key), list):
-263            self.args[arg_key] = []
-264        self.args[arg_key].append(value)
-265        self._set_parent(arg_key, value)
+            
    256    def append(self, arg_key, value):
+257        """
+258        Appends value to arg_key if it's a list or sets it as a new list.
+259
+260        Args:
+261            arg_key (str): name of the list expression arg
+262            value (Any): value to append to the list
+263        """
+264        if not isinstance(self.args.get(arg_key), list):
+265            self.args[arg_key] = []
+266        self.args[arg_key].append(value)
+267        self._set_parent(arg_key, value)
 
    
 
 
@@ -8593,16 +8669,16 @@ for args that are strings or leaf Expression instances, such as identifiers and
    - 
    267    def set(self, arg_key, value):
-268        """
-269        Sets `arg_key` to `value`.
-270
-271        Args:
-272            arg_key (str): name of the expression arg.
-273            value: value to set the arg to.
-274        """
-275        self.args[arg_key] = value
-276        self._set_parent(arg_key, value)
+            
    269    def set(self, arg_key, value):
+270        """
+271        Sets `arg_key` to `value`.
+272
+273        Args:
+274            arg_key (str): name of the expression arg.
+275            value: value to set the arg to.
+276        """
+277        self.args[arg_key] = value
+278        self._set_parent(arg_key, value)
 
    
 
 
@@ -8636,24 +8712,24 @@ for args that are strings or leaf Expression instances, such as identifiers and
 
    
             
         def
-        find(self, *expression_types, bfs=True):
+        find(self, *expression_types: Type[~E], bfs=True) -> Optional[~E]:
 
                 
 
     
    
     
-            
    297    def find(self, *expression_types, bfs=True):
-298        """
-299        Returns the first node in this tree which matches at least one of
-300        the specified types.
-301
-302        Args:
-303            expression_types (type): the expression type(s) to match.
-304
-305        Returns:
-306            The node which matches the criteria or None if no such node was found.
-307        """
-308        return next(self.find_all(*expression_types, bfs=bfs), None)
+            
    299    def find(self, *expression_types: t.Type[E], bfs=True) -> E | None:
+300        """
+301        Returns the first node in this tree which matches at least one of
+302        the specified types.
+303
+304        Args:
+305            expression_types (type): the expression type(s) to match.
+306
+307        Returns:
+308            The node which matches the criteria or None if no such node was found.
+309        """
+310        return next(self.find_all(*expression_types, bfs=bfs), None)
 
    
 
 
@@ -8680,26 +8756,26 @@ the specified types.
    
 
    
             
         def
-        find_all(self, *expression_types, bfs=True):
+        find_all(self, *expression_types: Type[~E], bfs=True) -> Iterator[~E]:
 
                 
 
     
    
     
-            
    310    def find_all(self, *expression_types, bfs=True):
-311        """
-312        Returns a generator object which visits all nodes in this tree and only
-313        yields those that match at least one of the specified expression types.
-314
-315        Args:
-316            expression_types (type): the expression type(s) to match.
-317
-318        Returns:
-319            The generator object.
-320        """
-321        for expression, _, _ in self.walk(bfs=bfs):
-322            if isinstance(expression, expression_types):
-323                yield expression
+            
    312    def find_all(self, *expression_types: t.Type[E], bfs=True) -> t.Iterator[E]:
+313        """
+314        Returns a generator object which visits all nodes in this tree and only
+315        yields those that match at least one of the specified expression types.
+316
+317        Args:
+318            expression_types (type): the expression type(s) to match.
+319
+320        Returns:
+321            The generator object.
+322        """
+323        for expression, _, _ in self.walk(bfs=bfs):
+324            if isinstance(expression, expression_types):
+325                yield expression
 
    
 
 
@@ -8726,26 +8802,27 @@ yields those that match at least one of the specified expression types.
    
 
    
             
         def
-        find_ancestor(self, *expression_types):
+        find_ancestor(self, *expression_types: Type[~E]) -> Optional[~E]:
 
                 
 
     
    
     
-            
    325    def find_ancestor(self, *expression_types):
-326        """
-327        Returns a nearest parent matching expression_types.
-328
-329        Args:
-330            expression_types (type): the expression type(s) to match.
-331
-332        Returns:
-333            The parent node.
-334        """
-335        ancestor = self.parent
-336        while ancestor and not isinstance(ancestor, expression_types):
-337            ancestor = ancestor.parent
-338        return ancestor
+            
    327    def find_ancestor(self, *expression_types: t.Type[E]) -> E | None:
+328        """
+329        Returns a nearest parent matching expression_types.
+330
+331        Args:
+332            expression_types (type): the expression type(s) to match.
+333
+334        Returns:
+335            The parent node.
+336        """
+337        ancestor = self.parent
+338        while ancestor and not isinstance(ancestor, expression_types):
+339            ancestor = ancestor.parent
+340        # ignore type because mypy doesn't know that we're checking type in the loop
+341        return ancestor  # type: ignore[return-value]
 
    
 
 
@@ -8778,6 +8855,33 @@ yields those that match at least one of the specified expression types.
    
 
    
 
 
+                            
    
+                            
    
+                                        
+
    
+            
+        def
+        root(self) -> sqlglot.expressions.Expression:
+
+                
+
+    
    
+    
+            
    350    def root(self) -> Expression:
+351        """
+352        Returns the root expression of this tree.
+353        """
+354        expression = self
+355        while expression.parent:
+356            expression = expression.parent
+357        return expression
+
    
+
+
+            
    Returns the root expression of this tree.
    
+
    
+
+
                             
    
                             
    
                                         
@@ -8790,23 +8894,23 @@ yields those that match at least one of the specified expression types.
    
 
     
    
     
-            
    347    def walk(self, bfs=True, prune=None):
-348        """
-349        Returns a generator object which visits all nodes in this tree.
-350
-351        Args:
-352            bfs (bool): if set to True the BFS traversal order will be applied,
-353                otherwise the DFS traversal will be used instead.
-354            prune ((node, parent, arg_key) -> bool): callable that returns True if
-355                the generator should stop traversing this branch of the tree.
-356
-357        Returns:
-358            the generator object.
-359        """
-360        if bfs:
-361            yield from self.bfs(prune=prune)
-362        else:
-363            yield from self.dfs(prune=prune)
+            
    359    def walk(self, bfs=True, prune=None):
+360        """
+361        Returns a generator object which visits all nodes in this tree.
+362
+363        Args:
+364            bfs (bool): if set to True the BFS traversal order will be applied,
+365                otherwise the DFS traversal will be used instead.
+366            prune ((node, parent, arg_key) -> bool): callable that returns True if
+367                the generator should stop traversing this branch of the tree.
+368
+369        Returns:
+370            the generator object.
+371        """
+372        if bfs:
+373            yield from self.bfs(prune=prune)
+374        else:
+375            yield from self.dfs(prune=prune)
 
    
 
 
@@ -8841,23 +8945,23 @@ the generator should stop traversing this branch of the tree.
 
     
    
     
-            
    365    def dfs(self, parent=None, key=None, prune=None):
-366        """
-367        Returns a generator object which visits all nodes in this tree in
-368        the DFS (Depth-first) order.
-369
-370        Returns:
-371            The generator object.
-372        """
-373        parent = parent or self.parent
-374        yield self, parent, key
-375        if prune and prune(self, parent, key):
-376            return
-377
-378        for k, v in self.args.items():
-379            for node in ensure_collection(v):
-380                if isinstance(node, Expression):
-381                    yield from node.dfs(self, k, prune)
+            
    377    def dfs(self, parent=None, key=None, prune=None):
+378        """
+379        Returns a generator object which visits all nodes in this tree in
+380        the DFS (Depth-first) order.
+381
+382        Returns:
+383            The generator object.
+384        """
+385        parent = parent or self.parent
+386        yield self, parent, key
+387        if prune and prune(self, parent, key):
+388            return
+389
+390        for k, v in self.args.items():
+391            for node in ensure_collection(v):
+392                if isinstance(node, Expression):
+393                    yield from node.dfs(self, k, prune)
 
    
 
 
@@ -8884,28 +8988,28 @@ the DFS (Depth-first) order.
    
 
     
    
     
-            
    383    def bfs(self, prune=None):
-384        """
-385        Returns a generator object which visits all nodes in this tree in
-386        the BFS (Breadth-first) order.
-387
-388        Returns:
-389            The generator object.
-390        """
-391        queue = deque([(self, self.parent, None)])
-392
-393        while queue:
-394            item, parent, key = queue.popleft()
-395
-396            yield item, parent, key
-397            if prune and prune(item, parent, key):
-398                continue
+            
    395    def bfs(self, prune=None):
+396        """
+397        Returns a generator object which visits all nodes in this tree in
+398        the BFS (Breadth-first) order.
 399
-400            if isinstance(item, Expression):
-401                for k, v in item.args.items():
-402                    for node in ensure_collection(v):
-403                        if isinstance(node, Expression):
-404                            queue.append((node, item, k))
+400        Returns:
+401            The generator object.
+402        """
+403        queue = deque([(self, self.parent, None)])
+404
+405        while queue:
+406            item, parent, key = queue.popleft()
+407
+408            yield item, parent, key
+409            if prune and prune(item, parent, key):
+410                continue
+411
+412            if isinstance(item, Expression):
+413                for k, v in item.args.items():
+414                    for node in ensure_collection(v):
+415                        if isinstance(node, Expression):
+416                            queue.append((node, item, k))
 
    
 
 
@@ -8932,14 +9036,14 @@ the BFS (Breadth-first) order.
    
 
     
    
     
-            
    406    def unnest(self):
-407        """
-408        Returns the first non parenthesis child or self.
-409        """
-410        expression = self
-411        while isinstance(expression, Paren):
-412            expression = expression.this
-413        return expression
+            
    418    def unnest(self):
+419        """
+420        Returns the first non parenthesis child or self.
+421        """
+422        expression = self
+423        while isinstance(expression, Paren):
+424            expression = expression.this
+425        return expression
 
    
 
 
@@ -8959,13 +9063,13 @@ the BFS (Breadth-first) order.
    
 
     
    
     
-            
    415    def unalias(self):
-416        """
-417        Returns the inner expression if this is an Alias.
-418        """
-419        if isinstance(self, Alias):
-420            return self.this
-421        return self
+            
    427    def unalias(self):
+428        """
+429        Returns the inner expression if this is an Alias.
+430        """
+431        if isinstance(self, Alias):
+432            return self.this
+433        return self
 
    
 
 
@@ -8985,11 +9089,11 @@ the BFS (Breadth-first) order.
    
 
     
    
     
-            
    423    def unnest_operands(self):
-424        """
-425        Returns unnested operands as a tuple.
-426        """
-427        return tuple(arg.unnest() for arg in self.args.values() if arg)
+            
    435    def unnest_operands(self):
+436        """
+437        Returns unnested operands as a tuple.
+438        """
+439        return tuple(arg.unnest() for arg in self.args.values() if arg)
 
    
 
 
@@ -9009,15 +9113,15 @@ the BFS (Breadth-first) order.
    
 
     
    
     
-            
    429    def flatten(self, unnest=True):
-430        """
-431        Returns a generator which yields child nodes who's parents are the same class.
-432
-433        A AND B AND C -> [A, B, C]
-434        """
-435        for node, _, _ in self.dfs(prune=lambda n, p, *_: p and not isinstance(n, self.__class__)):
-436            if not isinstance(node, self.__class__):
-437                yield node.unnest() if unnest else node
+            
    441    def flatten(self, unnest=True):
+442        """
+443        Returns a generator which yields child nodes who's parents are the same class.
+444
+445        A AND B AND C -> [A, B, C]
+446        """
+447        for node, _, _ in self.dfs(prune=lambda n, p, *_: p and not isinstance(n, self.__class__)):
+448            if not isinstance(node, self.__class__):
+449                yield node.unnest() if unnest else node
 
    
 
 
@@ -9039,20 +9143,20 @@ the BFS (Breadth-first) order.
    
 
     
    
     
-            
    445    def sql(self, dialect: DialectType = None, **opts) -> str:
-446        """
-447        Returns SQL string representation of this tree.
-448
-449        Args:
-450            dialect: the dialect of the output SQL string (eg. "spark", "hive", "presto", "mysql").
-451            opts: other `sqlglot.generator.Generator` options.
-452
-453        Returns:
-454            The SQL string.
-455        """
-456        from sqlglot.dialects import Dialect
-457
-458        return Dialect.get_or_raise(dialect)().generate(self, **opts)
+            
    457    def sql(self, dialect: DialectType = None, **opts) -> str:
+458        """
+459        Returns SQL string representation of this tree.
+460
+461        Args:
+462            dialect: the dialect of the output SQL string (eg. "spark", "hive", "presto", "mysql").
+463            opts: other `sqlglot.generator.Generator` options.
+464
+465        Returns:
+466            The SQL string.
+467        """
+468        from sqlglot.dialects import Dialect
+469
+470        return Dialect.get_or_raise(dialect)().generate(self, **opts)
 
    
 
 
@@ -9085,32 +9189,32 @@ the BFS (Breadth-first) order.
    
 
     
    
     
-            
    484    def transform(self, fun, *args, copy=True, **kwargs):
-485        """
-486        Recursively visits all tree nodes (excluding already transformed ones)
-487        and applies the given transformation function to each node.
-488
-489        Args:
-490            fun (function): a function which takes a node as an argument and returns a
-491                new transformed node or the same node without modifications. If the function
-492                returns None, then the corresponding node will be removed from the syntax tree.
-493            copy (bool): if set to True a new tree instance is constructed, otherwise the tree is
-494                modified in place.
-495
-496        Returns:
-497            The transformed tree.
-498        """
-499        node = self.copy() if copy else self
-500        new_node = fun(node, *args, **kwargs)
-501
-502        if new_node is None or not isinstance(new_node, Expression):
-503            return new_node
-504        if new_node is not node:
-505            new_node.parent = node.parent
-506            return new_node
+            
    496    def transform(self, fun, *args, copy=True, **kwargs):
+497        """
+498        Recursively visits all tree nodes (excluding already transformed ones)
+499        and applies the given transformation function to each node.
+500
+501        Args:
+502            fun (function): a function which takes a node as an argument and returns a
+503                new transformed node or the same node without modifications. If the function
+504                returns None, then the corresponding node will be removed from the syntax tree.
+505            copy (bool): if set to True a new tree instance is constructed, otherwise the tree is
+506                modified in place.
 507
-508        replace_children(new_node, lambda child: child.transform(fun, *args, copy=False, **kwargs))
-509        return new_node
+508        Returns:
+509            The transformed tree.
+510        """
+511        node = self.copy() if copy else self
+512        new_node = fun(node, *args, **kwargs)
+513
+514        if new_node is None or not isinstance(new_node, Expression):
+515            return new_node
+516        if new_node is not node:
+517            new_node.parent = node.parent
+518            return new_node
+519
+520        replace_children(new_node, lambda child: child.transform(fun, *args, copy=False, **kwargs))
+521        return new_node
 
    
 
 
@@ -9147,32 +9251,32 @@ modified in place.
 
     
    
     
-            
    511    def replace(self, expression):
-512        """
-513        Swap out this expression with a new expression.
-514
-515        For example::
-516
-517            >>> tree = Select().select("x").from_("tbl")
-518            >>> tree.find(Column).replace(Column(this="y"))
-519            (COLUMN this: y)
-520            >>> tree.sql()
-521            'SELECT y FROM tbl'
-522
-523        Args:
-524            expression (Expression|None): new node
-525
-526        Returns:
-527            The new expression or expressions.
-528        """
-529        if not self.parent:
-530            return expression
-531
-532        parent = self.parent
-533        self.parent = None
+            
    523    def replace(self, expression):
+524        """
+525        Swap out this expression with a new expression.
+526
+527        For example::
+528
+529            >>> tree = Select().select("x").from_("tbl")
+530            >>> tree.find(Column).replace(Column(this="y"))
+531            (COLUMN this: y)
+532            >>> tree.sql()
+533            'SELECT y FROM tbl'
 534
-535        replace_children(parent, lambda child: expression if child is self else child)
-536        return expression
+535        Args:
+536            expression (Expression|None): new node
+537
+538        Returns:
+539            The new expression or expressions.
+540        """
+541        if not self.parent:
+542            return expression
+543
+544        parent = self.parent
+545        self.parent = None
+546
+547        replace_children(parent, lambda child: expression if child is self else child)
+548        return expression
 
    
 
 
@@ -9213,11 +9317,11 @@ modified in place.
 
     
    
     
-            
    538    def pop(self):
-539        """
-540        Remove this expression from its AST.
-541        """
-542        self.replace(None)
+            
    550    def pop(self):
+551        """
+552        Remove this expression from its AST.
+553        """
+554        self.replace(None)
 
    
 
 
@@ -9237,22 +9341,22 @@ modified in place.
 
     
    
     
-            
    544    def assert_is(self, type_):
-545        """
-546        Assert that this `Expression` is an instance of `type_`.
-547
-548        If it is NOT an instance of `type_`, this raises an assertion error.
-549        Otherwise, this returns this expression.
-550
-551        Examples:
-552            This is useful for type security in chained expressions:
-553
-554            >>> import sqlglot
-555            >>> sqlglot.parse_one("SELECT x from y").assert_is(Select).select("z").sql()
-556            'SELECT x, z FROM y'
-557        """
-558        assert isinstance(self, type_)
-559        return self
+            
    556    def assert_is(self, type_):
+557        """
+558        Assert that this `Expression` is an instance of `type_`.
+559
+560        If it is NOT an instance of `type_`, this raises an assertion error.
+561        Otherwise, this returns this expression.
+562
+563        Examples:
+564            This is useful for type security in chained expressions:
+565
+566            >>> import sqlglot
+567            >>> sqlglot.parse_one("SELECT x from y").assert_is(Select).select("z").sql()
+568            'SELECT x, z FROM y'
+569        """
+570        assert isinstance(self, type_)
+571        return self
 
    
 
 
@@ -9288,39 +9392,39 @@ Otherwise, this returns this expression.
    
 
     
    
     
-            
    561    def error_messages(self, args: t.Optional[t.Sequence] = None) -> t.List[str]:
-562        """
-563        Checks if this expression is valid (e.g. all mandatory args are set).
-564
-565        Args:
-566            args: a sequence of values that were used to instantiate a Func expression. This is used
-567                to check that the provided arguments don't exceed the function argument limit.
-568
-569        Returns:
-570            A list of error messages for all possible errors that were found.
-571        """
-572        errors: t.List[str] = []
-573
-574        for k in self.args:
-575            if k not in self.arg_types:
-576                errors.append(f"Unexpected keyword: '{k}' for {self.__class__}")
-577        for k, mandatory in self.arg_types.items():
-578            v = self.args.get(k)
-579            if mandatory and (v is None or (isinstance(v, list) and not v)):
-580                errors.append(f"Required keyword: '{k}' missing for {self.__class__}")
-581
-582        if (
-583            args
-584            and isinstance(self, Func)
-585            and len(args) > len(self.arg_types)
-586            and not self.is_var_len_args
-587        ):
-588            errors.append(
-589                f"The number of provided arguments ({len(args)}) is greater than "
-590                f"the maximum number of supported arguments ({len(self.arg_types)})"
-591            )
-592
-593        return errors
+            
    573    def error_messages(self, args: t.Optional[t.Sequence] = None) -> t.List[str]:
+574        """
+575        Checks if this expression is valid (e.g. all mandatory args are set).
+576
+577        Args:
+578            args: a sequence of values that were used to instantiate a Func expression. This is used
+579                to check that the provided arguments don't exceed the function argument limit.
+580
+581        Returns:
+582            A list of error messages for all possible errors that were found.
+583        """
+584        errors: t.List[str] = []
+585
+586        for k in self.args:
+587            if k not in self.arg_types:
+588                errors.append(f"Unexpected keyword: '{k}' for {self.__class__}")
+589        for k, mandatory in self.arg_types.items():
+590            v = self.args.get(k)
+591            if mandatory and (v is None or (isinstance(v, list) and not v)):
+592                errors.append(f"Required keyword: '{k}' missing for {self.__class__}")
+593
+594        if (
+595            args
+596            and isinstance(self, Func)
+597            and len(args) > len(self.arg_types)
+598            and not self.is_var_len_args
+599        ):
+600            errors.append(
+601                f"The number of provided arguments ({len(args)}) is greater than "
+602                f"the maximum number of supported arguments ({len(self.arg_types)})"
+603            )
+604
+605        return errors
 
    
 
 
@@ -9353,13 +9457,13 @@ to check that the provided arguments don't exceed the function argument limit.
     
-            
    595    def dump(self):
-596        """
-597        Dump this Expression to a JSON-serializable dict.
-598        """
-599        from sqlglot.serde import dump
-600
-601        return dump(self)
+            
    607    def dump(self):
+608        """
+609        Dump this Expression to a JSON-serializable dict.
+610        """
+611        from sqlglot.serde import dump
+612
+613        return dump(self)
 
    
 
 
@@ -9380,14 +9484,14 @@ to check that the provided arguments don't exceed the function argument limit.
     
-            
    603    @classmethod
-604    def load(cls, obj):
-605        """
-606        Load a dict (as returned by `Expression.dump`) into an Expression instance.
-607        """
-608        from sqlglot.serde import load
-609
-610        return load(obj)
+            
    615    @classmethod
+616    def load(cls, obj):
+617        """
+618        Load a dict (as returned by `Expression.dump`) into an Expression instance.
+619        """
+620        from sqlglot.serde import load
+621
+622        return load(obj)
 
    
 
 
@@ -9408,57 +9512,57 @@ to check that the provided arguments don't exceed the function argument limit.
     
-            
    620class Condition(Expression):
-621    def and_(self, *expressions, dialect=None, **opts):
-622        """
-623        AND this condition with one or multiple expressions.
-624
-625        Example:
-626            >>> condition("x=1").and_("y=1").sql()
-627            'x = 1 AND y = 1'
-628
-629        Args:
-630            *expressions (str | Expression): the SQL code strings to parse.
-631                If an `Expression` instance is passed, it will be used as-is.
-632            dialect (str): the dialect used to parse the input expression.
-633            opts (kwargs): other options to use to parse the input expressions.
-634
-635        Returns:
-636            And: the new condition.
-637        """
-638        return and_(self, *expressions, dialect=dialect, **opts)
-639
-640    def or_(self, *expressions, dialect=None, **opts):
-641        """
-642        OR this condition with one or multiple expressions.
-643
-644        Example:
-645            >>> condition("x=1").or_("y=1").sql()
-646            'x = 1 OR y = 1'
-647
-648        Args:
-649            *expressions (str | Expression): the SQL code strings to parse.
-650                If an `Expression` instance is passed, it will be used as-is.
-651            dialect (str): the dialect used to parse the input expression.
-652            opts (kwargs): other options to use to parse the input expressions.
-653
-654        Returns:
-655            Or: the new condition.
-656        """
-657        return or_(self, *expressions, dialect=dialect, **opts)
-658
-659    def not_(self):
-660        """
-661        Wrap this condition with NOT.
-662
-663        Example:
-664            >>> condition("x=1").not_().sql()
-665            'NOT x = 1'
-666
-667        Returns:
-668            Not: the new condition.
-669        """
-670        return not_(self)
+            
    632class Condition(Expression):
+633    def and_(self, *expressions, dialect=None, **opts):
+634        """
+635        AND this condition with one or multiple expressions.
+636
+637        Example:
+638            >>> condition("x=1").and_("y=1").sql()
+639            'x = 1 AND y = 1'
+640
+641        Args:
+642            *expressions (str | Expression): the SQL code strings to parse.
+643                If an `Expression` instance is passed, it will be used as-is.
+644            dialect (str): the dialect used to parse the input expression.
+645            opts (kwargs): other options to use to parse the input expressions.
+646
+647        Returns:
+648            And: the new condition.
+649        """
+650        return and_(self, *expressions, dialect=dialect, **opts)
+651
+652    def or_(self, *expressions, dialect=None, **opts):
+653        """
+654        OR this condition with one or multiple expressions.
+655
+656        Example:
+657            >>> condition("x=1").or_("y=1").sql()
+658            'x = 1 OR y = 1'
+659
+660        Args:
+661            *expressions (str | Expression): the SQL code strings to parse.
+662                If an `Expression` instance is passed, it will be used as-is.
+663            dialect (str): the dialect used to parse the input expression.
+664            opts (kwargs): other options to use to parse the input expressions.
+665
+666        Returns:
+667            Or: the new condition.
+668        """
+669        return or_(self, *expressions, dialect=dialect, **opts)
+670
+671    def not_(self):
+672        """
+673        Wrap this condition with NOT.
+674
+675        Example:
+676            >>> condition("x=1").not_().sql()
+677            'NOT x = 1'
+678
+679        Returns:
+680            Not: the new condition.
+681        """
+682        return not_(self)
 
    
 
 
@@ -9475,24 +9579,24 @@ to check that the provided arguments don't exceed the function argument limit.
     
-            
    621    def and_(self, *expressions, dialect=None, **opts):
-622        """
-623        AND this condition with one or multiple expressions.
-624
-625        Example:
-626            >>> condition("x=1").and_("y=1").sql()
-627            'x = 1 AND y = 1'
-628
-629        Args:
-630            *expressions (str | Expression): the SQL code strings to parse.
-631                If an `Expression` instance is passed, it will be used as-is.
-632            dialect (str): the dialect used to parse the input expression.
-633            opts (kwargs): other options to use to parse the input expressions.
-634
-635        Returns:
-636            And: the new condition.
-637        """
-638        return and_(self, *expressions, dialect=dialect, **opts)
+            
    633    def and_(self, *expressions, dialect=None, **opts):
+634        """
+635        AND this condition with one or multiple expressions.
+636
+637        Example:
+638            >>> condition("x=1").and_("y=1").sql()
+639            'x = 1 AND y = 1'
+640
+641        Args:
+642            *expressions (str | Expression): the SQL code strings to parse.
+643                If an `Expression` instance is passed, it will be used as-is.
+644            dialect (str): the dialect used to parse the input expression.
+645            opts (kwargs): other options to use to parse the input expressions.
+646
+647        Returns:
+648            And: the new condition.
+649        """
+650        return and_(self, *expressions, dialect=dialect, **opts)
 
    
 
 
@@ -9537,24 +9641,24 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    640    def or_(self, *expressions, dialect=None, **opts):
-641        """
-642        OR this condition with one or multiple expressions.
-643
-644        Example:
-645            >>> condition("x=1").or_("y=1").sql()
-646            'x = 1 OR y = 1'
-647
-648        Args:
-649            *expressions (str | Expression): the SQL code strings to parse.
-650                If an `Expression` instance is passed, it will be used as-is.
-651            dialect (str): the dialect used to parse the input expression.
-652            opts (kwargs): other options to use to parse the input expressions.
-653
-654        Returns:
-655            Or: the new condition.
-656        """
-657        return or_(self, *expressions, dialect=dialect, **opts)
+            
    652    def or_(self, *expressions, dialect=None, **opts):
+653        """
+654        OR this condition with one or multiple expressions.
+655
+656        Example:
+657            >>> condition("x=1").or_("y=1").sql()
+658            'x = 1 OR y = 1'
+659
+660        Args:
+661            *expressions (str | Expression): the SQL code strings to parse.
+662                If an `Expression` instance is passed, it will be used as-is.
+663            dialect (str): the dialect used to parse the input expression.
+664            opts (kwargs): other options to use to parse the input expressions.
+665
+666        Returns:
+667            Or: the new condition.
+668        """
+669        return or_(self, *expressions, dialect=dialect, **opts)
 
    
 
 
@@ -9599,18 +9703,18 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    659    def not_(self):
-660        """
-661        Wrap this condition with NOT.
-662
-663        Example:
-664            >>> condition("x=1").not_().sql()
-665            'NOT x = 1'
-666
-667        Returns:
-668            Not: the new condition.
-669        """
-670        return not_(self)
+            
    671    def not_(self):
+672        """
+673        Wrap this condition with NOT.
+674
+675        Example:
+676            >>> condition("x=1").not_().sql()
+677            'NOT x = 1'
+678
+679        Returns:
+680            Not: the new condition.
+681        """
+682        return not_(self)
 
    
 
 
@@ -9658,6 +9762,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -9689,8 +9794,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    673class Predicate(Condition):
-674    """Relationships like x = y, x > 1, x >= y."""
+            
    685class Predicate(Condition):
+686    """Relationships like x = y, x > 1, x >= y."""
 
    
 
 
@@ -9721,6 +9826,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -9758,26 +9864,26 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    677class DerivedTable(Expression):
-678    @property
-679    def alias_column_names(self):
-680        table_alias = self.args.get("alias")
-681        if not table_alias:
-682            return []
-683        column_list = table_alias.assert_is(TableAlias).args.get("columns") or []
-684        return [c.name for c in column_list]
-685
-686    @property
-687    def selects(self):
-688        alias = self.args.get("alias")
-689
-690        if alias:
-691            return alias.columns
-692        return []
-693
-694    @property
-695    def named_selects(self):
-696        return [select.output_name for select in self.selects]
+            
    689class DerivedTable(Expression):
+690    @property
+691    def alias_column_names(self):
+692        table_alias = self.args.get("alias")
+693        if not table_alias:
+694            return []
+695        column_list = table_alias.assert_is(TableAlias).args.get("columns") or []
+696        return [c.name for c in column_list]
+697
+698    @property
+699    def selects(self):
+700        alias = self.args.get("alias")
+701
+702        if alias:
+703            return alias.columns
+704        return []
+705
+706    @property
+707    def named_selects(self):
+708        return [select.output_name for select in self.selects]
 
    
 
 
@@ -9806,6 +9912,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -9837,66 +9944,66 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    699class Unionable(Expression):
-700    def union(self, expression, distinct=True, dialect=None, **opts):
-701        """
-702        Builds a UNION expression.
-703
-704        Example:
-705            >>> import sqlglot
-706            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
-707            'SELECT * FROM foo UNION SELECT * FROM bla'
-708
-709        Args:
-710            expression (str | Expression): the SQL code string.
-711                If an `Expression` instance is passed, it will be used as-is.
-712            distinct (bool): set the DISTINCT flag if and only if this is true.
-713            dialect (str): the dialect used to parse the input expression.
-714            opts (kwargs): other options to use to parse the input expressions.
-715        Returns:
-716            Union: the Union expression.
-717        """
-718        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
-719
-720    def intersect(self, expression, distinct=True, dialect=None, **opts):
-721        """
-722        Builds an INTERSECT expression.
-723
-724        Example:
-725            >>> import sqlglot
-726            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
-727            'SELECT * FROM foo INTERSECT SELECT * FROM bla'
-728
-729        Args:
-730            expression (str | Expression): the SQL code string.
-731                If an `Expression` instance is passed, it will be used as-is.
-732            distinct (bool): set the DISTINCT flag if and only if this is true.
-733            dialect (str): the dialect used to parse the input expression.
-734            opts (kwargs): other options to use to parse the input expressions.
-735        Returns:
-736            Intersect: the Intersect expression
-737        """
-738        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
-739
-740    def except_(self, expression, distinct=True, dialect=None, **opts):
-741        """
-742        Builds an EXCEPT expression.
-743
-744        Example:
-745            >>> import sqlglot
-746            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
-747            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
-748
-749        Args:
-750            expression (str | Expression): the SQL code string.
-751                If an `Expression` instance is passed, it will be used as-is.
-752            distinct (bool): set the DISTINCT flag if and only if this is true.
-753            dialect (str): the dialect used to parse the input expression.
-754            opts (kwargs): other options to use to parse the input expressions.
-755        Returns:
-756            Except: the Except expression
-757        """
-758        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+            
    711class Unionable(Expression):
+712    def union(self, expression, distinct=True, dialect=None, **opts):
+713        """
+714        Builds a UNION expression.
+715
+716        Example:
+717            >>> import sqlglot
+718            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
+719            'SELECT * FROM foo UNION SELECT * FROM bla'
+720
+721        Args:
+722            expression (str | Expression): the SQL code string.
+723                If an `Expression` instance is passed, it will be used as-is.
+724            distinct (bool): set the DISTINCT flag if and only if this is true.
+725            dialect (str): the dialect used to parse the input expression.
+726            opts (kwargs): other options to use to parse the input expressions.
+727        Returns:
+728            Union: the Union expression.
+729        """
+730        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+731
+732    def intersect(self, expression, distinct=True, dialect=None, **opts):
+733        """
+734        Builds an INTERSECT expression.
+735
+736        Example:
+737            >>> import sqlglot
+738            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
+739            'SELECT * FROM foo INTERSECT 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            Intersect: the Intersect expression
+749        """
+750        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+751
+752    def except_(self, expression, distinct=True, dialect=None, **opts):
+753        """
+754        Builds an EXCEPT expression.
+755
+756        Example:
+757            >>> import sqlglot
+758            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
+759            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
+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            Except: the Except expression
+769        """
+770        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
 
    
 
 
@@ -9913,25 +10020,25 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    700    def union(self, expression, distinct=True, dialect=None, **opts):
-701        """
-702        Builds a UNION expression.
-703
-704        Example:
-705            >>> import sqlglot
-706            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
-707            'SELECT * FROM foo UNION SELECT * FROM bla'
-708
-709        Args:
-710            expression (str | Expression): the SQL code string.
-711                If an `Expression` instance is passed, it will be used as-is.
-712            distinct (bool): set the DISTINCT flag if and only if this is true.
-713            dialect (str): the dialect used to parse the input expression.
-714            opts (kwargs): other options to use to parse the input expressions.
-715        Returns:
-716            Union: the Union expression.
-717        """
-718        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+            
    712    def union(self, expression, distinct=True, dialect=None, **opts):
+713        """
+714        Builds a UNION expression.
+715
+716        Example:
+717            >>> import sqlglot
+718            >>> sqlglot.parse_one("SELECT * FROM foo").union("SELECT * FROM bla").sql()
+719            'SELECT * FROM foo UNION SELECT * FROM bla'
+720
+721        Args:
+722            expression (str | Expression): the SQL code string.
+723                If an `Expression` instance is passed, it will be used as-is.
+724            distinct (bool): set the DISTINCT flag if and only if this is true.
+725            dialect (str): the dialect used to parse the input expression.
+726            opts (kwargs): other options to use to parse the input expressions.
+727        Returns:
+728            Union: the Union expression.
+729        """
+730        return union(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
 
    
 
 
@@ -9978,25 +10085,25 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    720    def intersect(self, expression, distinct=True, dialect=None, **opts):
-721        """
-722        Builds an INTERSECT expression.
-723
-724        Example:
-725            >>> import sqlglot
-726            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
-727            'SELECT * FROM foo INTERSECT SELECT * FROM bla'
-728
-729        Args:
-730            expression (str | Expression): the SQL code string.
-731                If an `Expression` instance is passed, it will be used as-is.
-732            distinct (bool): set the DISTINCT flag if and only if this is true.
-733            dialect (str): the dialect used to parse the input expression.
-734            opts (kwargs): other options to use to parse the input expressions.
-735        Returns:
-736            Intersect: the Intersect expression
-737        """
-738        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+            
    732    def intersect(self, expression, distinct=True, dialect=None, **opts):
+733        """
+734        Builds an INTERSECT expression.
+735
+736        Example:
+737            >>> import sqlglot
+738            >>> sqlglot.parse_one("SELECT * FROM foo").intersect("SELECT * FROM bla").sql()
+739            'SELECT * FROM foo INTERSECT 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            Intersect: the Intersect expression
+749        """
+750        return intersect(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
 
    
 
 
@@ -10043,25 +10150,25 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    740    def except_(self, expression, distinct=True, dialect=None, **opts):
-741        """
-742        Builds an EXCEPT expression.
-743
-744        Example:
-745            >>> import sqlglot
-746            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
-747            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
-748
-749        Args:
-750            expression (str | Expression): the SQL code string.
-751                If an `Expression` instance is passed, it will be used as-is.
-752            distinct (bool): set the DISTINCT flag if and only if this is true.
-753            dialect (str): the dialect used to parse the input expression.
-754            opts (kwargs): other options to use to parse the input expressions.
-755        Returns:
-756            Except: the Except expression
-757        """
-758        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
+            
    752    def except_(self, expression, distinct=True, dialect=None, **opts):
+753        """
+754        Builds an EXCEPT expression.
+755
+756        Example:
+757            >>> import sqlglot
+758            >>> sqlglot.parse_one("SELECT * FROM foo").except_("SELECT * FROM bla").sql()
+759            'SELECT * FROM foo EXCEPT SELECT * FROM bla'
+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            Except: the Except expression
+769        """
+770        return except_(left=self, right=expression, distinct=distinct, dialect=dialect, **opts)
 
    
 
 
@@ -10120,6 +10227,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10151,8 +10259,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    761class UDTF(DerivedTable, Unionable):
-762    pass
+            
    773class UDTF(DerivedTable, Unionable):
+774    pass
 
    
 
 
@@ -10181,6 +10289,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10218,14 +10327,14 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    765class Cache(Expression):
-766    arg_types = {
-767        "with": False,
-768        "this": True,
-769        "lazy": False,
-770        "options": False,
-771        "expression": False,
-772    }
+            
    777class Cache(Expression):
+778    arg_types = {
+779        "with": False,
+780        "this": True,
+781        "lazy": False,
+782        "options": False,
+783        "expression": False,
+784    }
 
    
 
 
@@ -10254,6 +10363,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10285,8 +10395,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    775class Uncache(Expression):
-776    arg_types = {"this": True, "exists": False}
+            
    787class Uncache(Expression):
+788    arg_types = {"this": True, "exists": False}
 
    
 
 
@@ -10315,6 +10425,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10346,20 +10457,21 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    779class Create(Expression):
-780    arg_types = {
-781        "with": False,
-782        "this": True,
-783        "kind": True,
-784        "expression": False,
-785        "exists": False,
-786        "properties": False,
-787        "replace": False,
-788        "unique": False,
-789        "indexes": False,
-790        "no_schema_binding": False,
-791        "begin": False,
-792    }
+            
    791class Create(Expression):
+792    arg_types = {
+793        "with": False,
+794        "this": True,
+795        "kind": True,
+796        "expression": False,
+797        "exists": False,
+798        "properties": False,
+799        "replace": False,
+800        "unique": False,
+801        "volatile": False,
+802        "indexes": False,
+803        "no_schema_binding": False,
+804        "begin": False,
+805    }
 
    
 
 
@@ -10388,6 +10500,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10419,8 +10532,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    795class Describe(Expression):
-796    arg_types = {"this": True, "kind": False}
+            
    808class Describe(Expression):
+809    arg_types = {"this": True, "kind": False}
 
    
 
 
@@ -10449,6 +10562,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10480,8 +10594,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    799class Set(Expression):
-800    arg_types = {"expressions": True}
+            
    812class Set(Expression):
+813    arg_types = {"expressions": True}
 
    
 
 
@@ -10510,6 +10624,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10541,14 +10656,14 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    803class SetItem(Expression):
-804    arg_types = {
-805        "this": False,
-806        "expressions": False,
-807        "kind": False,
-808        "collate": False,  # MySQL SET NAMES statement
-809        "global": False,
-810    }
+            
    816class SetItem(Expression):
+817    arg_types = {
+818        "this": False,
+819        "expressions": False,
+820        "kind": False,
+821        "collate": False,  # MySQL SET NAMES statement
+822        "global": False,
+823    }
 
    
 
 
@@ -10577,6 +10692,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10608,24 +10724,24 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    813class Show(Expression):
-814    arg_types = {
-815        "this": True,
-816        "target": False,
-817        "offset": False,
-818        "limit": False,
-819        "like": False,
-820        "where": False,
-821        "db": False,
-822        "full": False,
-823        "mutex": False,
-824        "query": False,
-825        "channel": False,
-826        "global": False,
-827        "log": False,
-828        "position": False,
-829        "types": False,
-830    }
+            
    826class Show(Expression):
+827    arg_types = {
+828        "this": True,
+829        "target": False,
+830        "offset": False,
+831        "limit": False,
+832        "like": False,
+833        "where": False,
+834        "db": False,
+835        "full": False,
+836        "mutex": False,
+837        "query": False,
+838        "channel": False,
+839        "global": False,
+840        "log": False,
+841        "position": False,
+842        "types": False,
+843    }
 
    
 
 
@@ -10654,6 +10770,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10685,8 +10802,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    833class UserDefinedFunction(Expression):
-834    arg_types = {"this": True, "expressions": False, "wrapped": False}
+            
    846class UserDefinedFunction(Expression):
+847    arg_types = {"this": True, "expressions": False, "wrapped": False}
 
    
 
 
@@ -10715,6 +10832,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10746,8 +10864,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    837class CharacterSet(Expression):
-838    arg_types = {"this": True, "default": False}
+            
    850class CharacterSet(Expression):
+851    arg_types = {"this": True, "default": False}
 
    
 
 
@@ -10776,6 +10894,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10807,12 +10926,12 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    841class With(Expression):
-842    arg_types = {"expressions": True, "recursive": False}
-843
-844    @property
-845    def recursive(self) -> bool:
-846        return bool(self.args.get("recursive"))
+            
    854class With(Expression):
+855    arg_types = {"expressions": True, "recursive": False}
+856
+857    @property
+858    def recursive(self) -> bool:
+859        return bool(self.args.get("recursive"))
 
    
 
 
@@ -10841,6 +10960,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10872,8 +10992,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    849class WithinGroup(Expression):
-850    arg_types = {"this": True, "expression": False}
+            
    862class WithinGroup(Expression):
+863    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -10902,6 +11022,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10933,8 +11054,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    853class CTE(DerivedTable):
-854    arg_types = {"this": True, "alias": True}
+            
    866class CTE(DerivedTable):
+867    arg_types = {"this": True, "alias": True}
 
    
 
 
@@ -10963,6 +11084,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -10994,12 +11116,12 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    857class TableAlias(Expression):
-858    arg_types = {"this": False, "columns": False}
-859
-860    @property
-861    def columns(self):
-862        return self.args.get("columns") or []
+            
    870class TableAlias(Expression):
+871    arg_types = {"this": False, "columns": False}
+872
+873    @property
+874    def columns(self):
+875        return self.args.get("columns") or []
 
    
 
 
@@ -11028,6 +11150,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11059,8 +11182,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    865class BitString(Condition):
-866    pass
+            
    878class BitString(Condition):
+879    pass
 
    
 
 
@@ -11089,6 +11212,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11126,8 +11250,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    869class HexString(Condition):
-870    pass
+            
    882class HexString(Condition):
+883    pass
 
    
 
 
@@ -11156,6 +11280,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11193,8 +11318,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    873class ByteString(Condition):
-874    pass
+            
    886class ByteString(Condition):
+887    pass
 
    
 
 
@@ -11223,6 +11348,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11260,24 +11386,24 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    877class Column(Condition):
-878    arg_types = {"this": True, "table": False, "db": False, "catalog": False}
-879
-880    @property
-881    def table(self) -> str:
-882        return self.text("table")
-883
-884    @property
-885    def db(self) -> str:
-886        return self.text("db")
-887
-888    @property
-889    def catalog(self) -> str:
-890        return self.text("catalog")
-891
-892    @property
-893    def output_name(self) -> str:
-894        return self.name
+            
    890class Column(Condition):
+891    arg_types = {"this": True, "table": False, "db": False, "catalog": False, "join_mark": False}
+892
+893    @property
+894    def table(self) -> str:
+895        return self.text("table")
+896
+897    @property
+898    def db(self) -> str:
+899        return self.text("db")
+900
+901    @property
+902    def catalog(self) -> str:
+903        return self.text("catalog")
+904
+905    @property
+906    def output_name(self) -> str:
+907        return self.name
 
    
 
 
@@ -11335,6 +11461,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11372,13 +11499,13 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    897class ColumnDef(Expression):
-898    arg_types = {
-899        "this": True,
-900        "kind": False,
-901        "constraints": False,
-902        "exists": False,
-903    }
+            
    910class ColumnDef(Expression):
+911    arg_types = {
+912        "this": True,
+913        "kind": False,
+914        "constraints": False,
+915        "exists": False,
+916    }
 
    
 
 
@@ -11407,6 +11534,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11438,15 +11566,15 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    906class AlterColumn(Expression):
-907    arg_types = {
-908        "this": True,
-909        "dtype": False,
-910        "collate": False,
-911        "using": False,
-912        "default": False,
-913        "drop": False,
-914    }
+            
    919class AlterColumn(Expression):
+920    arg_types = {
+921        "this": True,
+922        "dtype": False,
+923        "collate": False,
+924        "using": False,
+925        "default": False,
+926        "drop": False,
+927    }
 
    
 
 
@@ -11475,6 +11603,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11506,8 +11635,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    917class RenameTable(Expression):
-918    pass
+            
    930class RenameTable(Expression):
+931    pass
 
    
 
 
@@ -11536,6 +11665,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11552,6 +11682,130 @@ If an Expression instance is passed, it w
                 
    dump
    
                 
    load
    
 
+            
    
+                                
+                            
    
+                
+                
    
+                            
+
    
+            
+    class
+    SetTag(Expression):
+
+                
+
+    
    
+    
+            
    934class SetTag(Expression):
+935    arg_types = {"expressions": True, "unset": False}
+
    
+
+
+    
+
+                            
    
+                                
    Inherited Members
    
+                                
    
+                                    
+                                
    
+                            
    
+                
    
+                
    
+                            
+
    
+            
+    class
+    Comment(Expression):
+
+                
+
+    
    
+    
+            
    938class Comment(Expression):
+939    arg_types = {"this": True, "kind": True, "expression": True, "exists": False}
+
    
+
+
+    
+
+                            
    
+                                
    Inherited Members
    
+                                
    
+                                    
                                 
    
                             
    
@@ -11567,8 +11821,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    921class ColumnConstraint(Expression):
-922    arg_types = {"this": False, "kind": True}
+            
    942class ColumnConstraint(Expression):
+943    arg_types = {"this": False, "kind": True}
 
    
 
 
@@ -11597,6 +11851,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11628,8 +11883,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    925class ColumnConstraintKind(Expression):
-926    pass
+            
    946class ColumnConstraintKind(Expression):
+947    pass
 
    
 
 
@@ -11658,6 +11913,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11689,8 +11945,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    929class AutoIncrementColumnConstraint(ColumnConstraintKind):
-930    pass
+            
    950class AutoIncrementColumnConstraint(ColumnConstraintKind):
+951    pass
 
    
 
 
@@ -11719,6 +11975,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11750,8 +12007,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    933class CaseSpecificColumnConstraint(ColumnConstraintKind):
-934    arg_types = {"not_": True}
+            
    954class CaseSpecificColumnConstraint(ColumnConstraintKind):
+955    arg_types = {"not_": True}
 
    
 
 
@@ -11780,6 +12037,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11811,8 +12069,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    937class CharacterSetColumnConstraint(ColumnConstraintKind):
-938    arg_types = {"this": True}
+            
    958class CharacterSetColumnConstraint(ColumnConstraintKind):
+959    arg_types = {"this": True}
 
    
 
 
@@ -11841,6 +12099,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11872,8 +12131,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    941class CheckColumnConstraint(ColumnConstraintKind):
-942    pass
+            
    962class CheckColumnConstraint(ColumnConstraintKind):
+963    pass
 
    
 
 
@@ -11902,6 +12161,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11933,8 +12193,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    945class CollateColumnConstraint(ColumnConstraintKind):
-946    pass
+            
    966class CollateColumnConstraint(ColumnConstraintKind):
+967    pass
 
    
 
 
@@ -11963,6 +12223,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -11994,8 +12255,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    949class CommentColumnConstraint(ColumnConstraintKind):
-950    pass
+            
    970class CommentColumnConstraint(ColumnConstraintKind):
+971    pass
 
    
 
 
@@ -12024,6 +12285,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12055,8 +12317,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    953class CompressColumnConstraint(ColumnConstraintKind):
-954    pass
+            
    974class CompressColumnConstraint(ColumnConstraintKind):
+975    pass
 
    
 
 
@@ -12085,6 +12347,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12116,8 +12379,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    957class DateFormatColumnConstraint(ColumnConstraintKind):
-958    arg_types = {"this": True}
+            
    978class DateFormatColumnConstraint(ColumnConstraintKind):
+979    arg_types = {"this": True}
 
    
 
 
@@ -12146,6 +12409,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12177,8 +12441,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    961class DefaultColumnConstraint(ColumnConstraintKind):
-962    pass
+            
    982class DefaultColumnConstraint(ColumnConstraintKind):
+983    pass
 
    
 
 
@@ -12207,6 +12471,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12238,8 +12503,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    965class EncodeColumnConstraint(ColumnConstraintKind):
-966    pass
+            
    986class EncodeColumnConstraint(ColumnConstraintKind):
+987    pass
 
    
 
 
@@ -12268,6 +12533,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12299,16 +12565,16 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    969class GeneratedAsIdentityColumnConstraint(ColumnConstraintKind):
-970    # this: True -> ALWAYS, this: False -> BY DEFAULT
-971    arg_types = {
-972        "this": False,
-973        "start": False,
-974        "increment": False,
-975        "minvalue": False,
-976        "maxvalue": False,
-977        "cycle": False,
-978    }
+            
    990class GeneratedAsIdentityColumnConstraint(ColumnConstraintKind):
+991    # this: True -> ALWAYS, this: False -> BY DEFAULT
+992    arg_types = {
+993        "this": False,
+994        "start": False,
+995        "increment": False,
+996        "minvalue": False,
+997        "maxvalue": False,
+998        "cycle": False,
+999    }
 
    
 
 
@@ -12337,6 +12603,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12368,8 +12635,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    981class InlineLengthColumnConstraint(ColumnConstraintKind):
-982    pass
+            
    1002class InlineLengthColumnConstraint(ColumnConstraintKind):
+1003    pass
 
    
 
 
@@ -12398,6 +12665,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12429,8 +12697,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    985class NotNullColumnConstraint(ColumnConstraintKind):
-986    arg_types = {"allow_null": False}
+            
    1006class NotNullColumnConstraint(ColumnConstraintKind):
+1007    arg_types = {"allow_null": False}
 
    
 
 
@@ -12459,6 +12727,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12490,8 +12759,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    989class PrimaryKeyColumnConstraint(ColumnConstraintKind):
-990    arg_types = {"desc": False}
+            
    1010class PrimaryKeyColumnConstraint(ColumnConstraintKind):
+1011    arg_types = {"desc": False}
 
    
 
 
@@ -12520,6 +12789,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12551,8 +12821,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    993class TitleColumnConstraint(ColumnConstraintKind):
-994    pass
+            
    1014class TitleColumnConstraint(ColumnConstraintKind):
+1015    pass
 
    
 
 
@@ -12581,6 +12851,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12612,8 +12883,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    997class UniqueColumnConstraint(ColumnConstraintKind):
-998    arg_types: t.Dict[str, t.Any] = {}
+            
    1018class UniqueColumnConstraint(ColumnConstraintKind):
+1019    arg_types: t.Dict[str, t.Any] = {}
 
    
 
 
@@ -12642,6 +12913,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12673,8 +12945,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1001class UppercaseColumnConstraint(ColumnConstraintKind):
-1002    arg_types: t.Dict[str, t.Any] = {}
+            
    1022class UppercaseColumnConstraint(ColumnConstraintKind):
+1023    arg_types: t.Dict[str, t.Any] = {}
 
    
 
 
@@ -12703,6 +12975,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12734,8 +13007,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1005class PathColumnConstraint(ColumnConstraintKind):
-1006    pass
+            
    1026class PathColumnConstraint(ColumnConstraintKind):
+1027    pass
 
    
 
 
@@ -12764,6 +13037,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12795,8 +13069,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1009class Constraint(Expression):
-1010    arg_types = {"this": True, "expressions": True}
+            
    1030class Constraint(Expression):
+1031    arg_types = {"this": True, "expressions": True}
 
    
 
 
@@ -12825,6 +13099,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12856,8 +13131,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1013class Delete(Expression):
-1014    arg_types = {"with": False, "this": False, "using": False, "where": False}
+            
    1034class Delete(Expression):
+1035    arg_types = {"with": False, "this": False, "using": False, "where": False}
 
    
 
 
@@ -12886,6 +13161,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12917,15 +13193,15 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1017class Drop(Expression):
-1018    arg_types = {
-1019        "this": False,
-1020        "kind": False,
-1021        "exists": False,
-1022        "temporary": False,
-1023        "materialized": False,
-1024        "cascade": False,
-1025    }
+            
    1038class Drop(Expression):
+1039    arg_types = {
+1040        "this": False,
+1041        "kind": False,
+1042        "exists": False,
+1043        "temporary": False,
+1044        "materialized": False,
+1045        "cascade": False,
+1046    }
 
    
 
 
@@ -12954,6 +13230,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -12985,8 +13262,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1028class Filter(Expression):
-1029    arg_types = {"this": True, "expression": True}
+            
    1049class Filter(Expression):
+1050    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -13015,6 +13292,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13046,8 +13324,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1032class Check(Expression):
-1033    pass
+            
    1053class Check(Expression):
+1054    pass
 
    
 
 
@@ -13076,6 +13354,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13107,9 +13386,9 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1036class Directory(Expression):
-1037    # https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-dml-insert-overwrite-directory-hive.html
-1038    arg_types = {"this": True, "local": False, "row_format": False}
+            
    1057class Directory(Expression):
+1058    # https://spark.apache.org/docs/3.0.0-preview/sql-ref-syntax-dml-insert-overwrite-directory-hive.html
+1059    arg_types = {"this": True, "local": False, "row_format": False}
 
    
 
 
@@ -13138,6 +13417,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13169,13 +13449,13 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1041class ForeignKey(Expression):
-1042    arg_types = {
-1043        "expressions": True,
-1044        "reference": False,
-1045        "delete": False,
-1046        "update": False,
-1047    }
+            
    1062class ForeignKey(Expression):
+1063    arg_types = {
+1064        "expressions": True,
+1065        "reference": False,
+1066        "delete": False,
+1067        "update": False,
+1068    }
 
    
 
 
@@ -13204,6 +13484,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13235,8 +13516,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1050class PrimaryKey(Expression):
-1051    arg_types = {"expressions": True, "options": False}
+            
    1071class PrimaryKey(Expression):
+1072    arg_types = {"expressions": True, "options": False}
 
    
 
 
@@ -13265,6 +13546,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13296,8 +13578,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1054class Unique(Expression):
-1055    arg_types = {"expressions": True}
+            
    1075class Unique(Expression):
+1076    arg_types = {"expressions": True}
 
    
 
 
@@ -13326,6 +13608,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13357,8 +13640,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1060class Into(Expression):
-1061    arg_types = {"this": True, "temporary": False, "unlogged": False}
+            
    1081class Into(Expression):
+1082    arg_types = {"this": True, "temporary": False, "unlogged": False}
 
    
 
 
@@ -13387,6 +13670,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13418,8 +13702,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1064class From(Expression):
-1065    arg_types = {"expressions": True}
+            
    1085class From(Expression):
+1086    arg_types = {"expressions": True}
 
    
 
 
@@ -13448,6 +13732,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13479,8 +13764,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1068class Having(Expression):
-1069    pass
+            
    1089class Having(Expression):
+1090    pass
 
    
 
 
@@ -13509,6 +13794,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13540,8 +13826,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1072class Hint(Expression):
-1073    arg_types = {"expressions": True}
+            
    1093class Hint(Expression):
+1094    arg_types = {"expressions": True}
 
    
 
 
@@ -13570,6 +13856,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13601,8 +13888,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1076class JoinHint(Expression):
-1077    arg_types = {"this": True, "expressions": True}
+            
    1097class JoinHint(Expression):
+1098    arg_types = {"this": True, "expressions": True}
 
    
 
 
@@ -13631,6 +13918,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13662,22 +13950,22 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1080class Identifier(Expression):
-1081    arg_types = {"this": True, "quoted": False}
-1082
-1083    @property
-1084    def quoted(self):
-1085        return bool(self.args.get("quoted"))
-1086
-1087    def __eq__(self, other):
-1088        return isinstance(other, self.__class__) and _norm_arg(self.this) == _norm_arg(other.this)
-1089
-1090    def __hash__(self):
-1091        return hash((self.key, self.this.lower()))
-1092
-1093    @property
-1094    def output_name(self):
-1095        return self.name
+            
    1101class Identifier(Expression):
+1102    arg_types = {"this": True, "quoted": False}
+1103
+1104    @property
+1105    def quoted(self):
+1106        return bool(self.args.get("quoted"))
+1107
+1108    def __eq__(self, other):
+1109        return isinstance(other, self.__class__) and _norm_arg(self.this) == _norm_arg(other.this)
+1110
+1111    def __hash__(self):
+1112        return hash((self.key, self.this.lower()))
+1113
+1114    @property
+1115    def output_name(self):
+1116        return self.name
 
    
 
 
@@ -13735,6 +14023,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13766,16 +14055,16 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1098class Index(Expression):
-1099    arg_types = {
-1100        "this": False,
-1101        "table": False,
-1102        "where": False,
-1103        "columns": False,
-1104        "unique": False,
-1105        "primary": False,
-1106        "amp": False,  # teradata
-1107    }
+            
    1119class Index(Expression):
+1120    arg_types = {
+1121        "this": False,
+1122        "table": False,
+1123        "where": False,
+1124        "columns": False,
+1125        "unique": False,
+1126        "primary": False,
+1127        "amp": False,  # teradata
+1128    }
 
    
 
 
@@ -13804,6 +14093,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13835,16 +14125,16 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1110class Insert(Expression):
-1111    arg_types = {
-1112        "with": False,
-1113        "this": True,
-1114        "expression": False,
-1115        "overwrite": False,
-1116        "exists": False,
-1117        "partition": False,
-1118        "alternative": False,
-1119    }
+            
    1131class Insert(Expression):
+1132    arg_types = {
+1133        "with": False,
+1134        "this": True,
+1135        "expression": False,
+1136        "overwrite": False,
+1137        "exists": False,
+1138        "partition": False,
+1139        "alternative": False,
+1140    }
 
    
 
 
@@ -13873,6 +14163,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13904,8 +14195,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1123class Introducer(Expression):
-1124    arg_types = {"this": True, "expression": True}
+            
    1144class Introducer(Expression):
+1145    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -13934,6 +14225,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -13965,8 +14257,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1128class National(Expression):
-1129    pass
+            
    1149class National(Expression):
+1150    pass
 
    
 
 
@@ -13995,6 +14287,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14026,16 +14319,16 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1132class LoadData(Expression):
-1133    arg_types = {
-1134        "this": True,
-1135        "local": False,
-1136        "overwrite": False,
-1137        "inpath": True,
-1138        "partition": False,
-1139        "input_format": False,
-1140        "serde": False,
-1141    }
+            
    1153class LoadData(Expression):
+1154    arg_types = {
+1155        "this": True,
+1156        "local": False,
+1157        "overwrite": False,
+1158        "inpath": True,
+1159        "partition": False,
+1160        "input_format": False,
+1161        "serde": False,
+1162    }
 
    
 
 
@@ -14064,6 +14357,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14095,8 +14389,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1144class Partition(Expression):
-1145    arg_types = {"expressions": True}
+            
    1165class Partition(Expression):
+1166    arg_types = {"expressions": True}
 
    
 
 
@@ -14125,6 +14419,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14156,8 +14451,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1148class Fetch(Expression):
-1149    arg_types = {"direction": False, "count": False}
+            
    1169class Fetch(Expression):
+1170    arg_types = {"direction": False, "count": False}
 
    
 
 
@@ -14186,6 +14481,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14217,13 +14513,13 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1152class Group(Expression):
-1153    arg_types = {
-1154        "expressions": False,
-1155        "grouping_sets": False,
-1156        "cube": False,
-1157        "rollup": False,
-1158    }
+            
    1173class Group(Expression):
+1174    arg_types = {
+1175        "expressions": False,
+1176        "grouping_sets": False,
+1177        "cube": False,
+1178        "rollup": False,
+1179    }
 
    
 
 
@@ -14252,6 +14548,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14283,8 +14580,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1161class Lambda(Expression):
-1162    arg_types = {"this": True, "expressions": True}
+            
    1182class Lambda(Expression):
+1183    arg_types = {"this": True, "expressions": True}
 
    
 
 
@@ -14313,6 +14610,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14344,8 +14642,8 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1165class Limit(Expression):
-1166    arg_types = {"this": False, "expression": True}
+            
    1186class Limit(Expression):
+1187    arg_types = {"this": False, "expression": True}
 
    
 
 
@@ -14374,6 +14672,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14405,30 +14704,30 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1169class Literal(Condition):
-1170    arg_types = {"this": True, "is_string": True}
-1171
-1172    def __eq__(self, other):
-1173        return (
-1174            isinstance(other, Literal)
-1175            and self.this == other.this
-1176            and self.args["is_string"] == other.args["is_string"]
-1177        )
-1178
-1179    def __hash__(self):
-1180        return hash((self.key, self.this, self.args["is_string"]))
-1181
-1182    @classmethod
-1183    def number(cls, number) -> Literal:
-1184        return cls(this=str(number), is_string=False)
-1185
-1186    @classmethod
-1187    def string(cls, string) -> Literal:
-1188        return cls(this=str(string), is_string=True)
-1189
-1190    @property
-1191    def output_name(self):
-1192        return self.name
+            
    1190class Literal(Condition):
+1191    arg_types = {"this": True, "is_string": True}
+1192
+1193    def __eq__(self, other):
+1194        return (
+1195            isinstance(other, Literal)
+1196            and self.this == other.this
+1197            and self.args["is_string"] == other.args["is_string"]
+1198        )
+1199
+1200    def __hash__(self):
+1201        return hash((self.key, self.this, self.args["is_string"]))
+1202
+1203    @classmethod
+1204    def number(cls, number) -> Literal:
+1205        return cls(this=str(number), is_string=False)
+1206
+1207    @classmethod
+1208    def string(cls, string) -> Literal:
+1209        return cls(this=str(string), is_string=True)
+1210
+1211    @property
+1212    def output_name(self):
+1213        return self.name
 
    
 
 
@@ -14446,9 +14745,9 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1182    @classmethod
-1183    def number(cls, number) -> Literal:
-1184        return cls(this=str(number), is_string=False)
+            
    1203    @classmethod
+1204    def number(cls, number) -> Literal:
+1205        return cls(this=str(number), is_string=False)
 
    
 
 
@@ -14467,9 +14766,9 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1186    @classmethod
-1187    def string(cls, string) -> Literal:
-1188        return cls(this=str(string), is_string=True)
+            
    1207    @classmethod
+1208    def string(cls, string) -> Literal:
+1209        return cls(this=str(string), is_string=True)
 
    
 
 
@@ -14528,6 +14827,7 @@ If an Expression instance is passed, it w
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14565,100 +14865,100 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1195class Join(Expression):
-1196    arg_types = {
-1197        "this": True,
-1198        "on": False,
-1199        "side": False,
-1200        "kind": False,
-1201        "using": False,
-1202        "natural": False,
-1203    }
-1204
-1205    @property
-1206    def kind(self):
-1207        return self.text("kind").upper()
-1208
-1209    @property
-1210    def side(self):
-1211        return self.text("side").upper()
-1212
-1213    @property
-1214    def alias_or_name(self):
-1215        return self.this.alias_or_name
-1216
-1217    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1218        """
-1219        Append to or set the ON expressions.
-1220
-1221        Example:
-1222            >>> import sqlglot
-1223            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
-1224            'JOIN x ON y = 1'
+            
    1216class Join(Expression):
+1217    arg_types = {
+1218        "this": True,
+1219        "on": False,
+1220        "side": False,
+1221        "kind": False,
+1222        "using": False,
+1223        "natural": False,
+1224    }
 1225
-1226        Args:
-1227            *expressions (str | Expression): the SQL code strings to parse.
-1228                If an `Expression` instance is passed, it will be used as-is.
-1229                Multiple expressions are combined with an AND operator.
-1230            append (bool): if `True`, AND the new expressions to any existing expression.
-1231                Otherwise, this resets the expression.
-1232            dialect (str): the dialect used to parse the input expressions.
-1233            copy (bool): if `False`, modify this expression instance in-place.
-1234            opts (kwargs): other options to use to parse the input expressions.
-1235
-1236        Returns:
-1237            Join: the modified join expression.
-1238        """
-1239        join = _apply_conjunction_builder(
-1240            *expressions,
-1241            instance=self,
-1242            arg="on",
-1243            append=append,
-1244            dialect=dialect,
-1245            copy=copy,
-1246            **opts,
-1247        )
-1248
-1249        if join.kind == "CROSS":
-1250            join.set("kind", None)
-1251
-1252        return join
-1253
-1254    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1255        """
-1256        Append to or set the USING expressions.
-1257
-1258        Example:
-1259            >>> import sqlglot
-1260            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
-1261            'JOIN x USING (foo, bla)'
-1262
-1263        Args:
-1264            *expressions (str | Expression): the SQL code strings to parse.
-1265                If an `Expression` instance is passed, it will be used as-is.
-1266            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
-1267                Otherwise, this resets the expression.
-1268            dialect (str): the dialect used to parse the input expressions.
-1269            copy (bool): if `False`, modify this expression instance in-place.
-1270            opts (kwargs): other options to use to parse the input expressions.
-1271
-1272        Returns:
-1273            Join: the modified join expression.
-1274        """
-1275        join = _apply_list_builder(
-1276            *expressions,
-1277            instance=self,
-1278            arg="using",
-1279            append=append,
-1280            dialect=dialect,
-1281            copy=copy,
-1282            **opts,
-1283        )
-1284
-1285        if join.kind == "CROSS":
-1286            join.set("kind", None)
-1287
-1288        return join
+1226    @property
+1227    def kind(self):
+1228        return self.text("kind").upper()
+1229
+1230    @property
+1231    def side(self):
+1232        return self.text("side").upper()
+1233
+1234    @property
+1235    def alias_or_name(self):
+1236        return self.this.alias_or_name
+1237
+1238    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1239        """
+1240        Append to or set the ON expressions.
+1241
+1242        Example:
+1243            >>> import sqlglot
+1244            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
+1245            'JOIN x ON y = 1'
+1246
+1247        Args:
+1248            *expressions (str | Expression): the SQL code strings to parse.
+1249                If an `Expression` instance is passed, it will be used as-is.
+1250                Multiple expressions are combined with an AND operator.
+1251            append (bool): if `True`, AND the new expressions to any existing expression.
+1252                Otherwise, this resets the expression.
+1253            dialect (str): the dialect used to parse the input expressions.
+1254            copy (bool): if `False`, modify this expression instance in-place.
+1255            opts (kwargs): other options to use to parse the input expressions.
+1256
+1257        Returns:
+1258            Join: the modified join expression.
+1259        """
+1260        join = _apply_conjunction_builder(
+1261            *expressions,
+1262            instance=self,
+1263            arg="on",
+1264            append=append,
+1265            dialect=dialect,
+1266            copy=copy,
+1267            **opts,
+1268        )
+1269
+1270        if join.kind == "CROSS":
+1271            join.set("kind", None)
+1272
+1273        return join
+1274
+1275    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1276        """
+1277        Append to or set the USING expressions.
+1278
+1279        Example:
+1280            >>> import sqlglot
+1281            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
+1282            'JOIN x USING (foo, bla)'
+1283
+1284        Args:
+1285            *expressions (str | Expression): the SQL code strings to parse.
+1286                If an `Expression` instance is passed, it will be used as-is.
+1287            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
+1288                Otherwise, this resets the expression.
+1289            dialect (str): the dialect used to parse the input expressions.
+1290            copy (bool): if `False`, modify this expression instance in-place.
+1291            opts (kwargs): other options to use to parse the input expressions.
+1292
+1293        Returns:
+1294            Join: the modified join expression.
+1295        """
+1296        join = _apply_list_builder(
+1297            *expressions,
+1298            instance=self,
+1299            arg="using",
+1300            append=append,
+1301            dialect=dialect,
+1302            copy=copy,
+1303            **opts,
+1304        )
+1305
+1306        if join.kind == "CROSS":
+1307            join.set("kind", None)
+1308
+1309        return join
 
    
 
 
@@ -14675,42 +14975,42 @@ If an Expression instance is passed, it w
 
     
    
     
-            
    1217    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1218        """
-1219        Append to or set the ON expressions.
-1220
-1221        Example:
-1222            >>> import sqlglot
-1223            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
-1224            'JOIN x ON y = 1'
-1225
-1226        Args:
-1227            *expressions (str | Expression): the SQL code strings to parse.
-1228                If an `Expression` instance is passed, it will be used as-is.
-1229                Multiple expressions are combined with an AND operator.
-1230            append (bool): if `True`, AND the new expressions to any existing expression.
-1231                Otherwise, this resets the expression.
-1232            dialect (str): the dialect used to parse the input expressions.
-1233            copy (bool): if `False`, modify this expression instance in-place.
-1234            opts (kwargs): other options to use to parse the input expressions.
-1235
-1236        Returns:
-1237            Join: the modified join expression.
-1238        """
-1239        join = _apply_conjunction_builder(
-1240            *expressions,
-1241            instance=self,
-1242            arg="on",
-1243            append=append,
-1244            dialect=dialect,
-1245            copy=copy,
-1246            **opts,
-1247        )
-1248
-1249        if join.kind == "CROSS":
-1250            join.set("kind", None)
-1251
-1252        return join
+            
    1238    def on(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1239        """
+1240        Append to or set the ON expressions.
+1241
+1242        Example:
+1243            >>> import sqlglot
+1244            >>> sqlglot.parse_one("JOIN x", into=Join).on("y = 1").sql()
+1245            'JOIN x ON y = 1'
+1246
+1247        Args:
+1248            *expressions (str | Expression): the SQL code strings to parse.
+1249                If an `Expression` instance is passed, it will be used as-is.
+1250                Multiple expressions are combined with an AND operator.
+1251            append (bool): if `True`, AND the new expressions to any existing expression.
+1252                Otherwise, this resets the expression.
+1253            dialect (str): the dialect used to parse the input expressions.
+1254            copy (bool): if `False`, modify this expression instance in-place.
+1255            opts (kwargs): other options to use to parse the input expressions.
+1256
+1257        Returns:
+1258            Join: the modified join expression.
+1259        """
+1260        join = _apply_conjunction_builder(
+1261            *expressions,
+1262            instance=self,
+1263            arg="on",
+1264            append=append,
+1265            dialect=dialect,
+1266            copy=copy,
+1267            **opts,
+1268        )
+1269
+1270        if join.kind == "CROSS":
+1271            join.set("kind", None)
+1272
+1273        return join
 
    
 
 
@@ -14760,41 +15060,41 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1254    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
-1255        """
-1256        Append to or set the USING expressions.
-1257
-1258        Example:
-1259            >>> import sqlglot
-1260            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
-1261            'JOIN x USING (foo, bla)'
-1262
-1263        Args:
-1264            *expressions (str | Expression): the SQL code strings to parse.
-1265                If an `Expression` instance is passed, it will be used as-is.
-1266            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
-1267                Otherwise, this resets the expression.
-1268            dialect (str): the dialect used to parse the input expressions.
-1269            copy (bool): if `False`, modify this expression instance in-place.
-1270            opts (kwargs): other options to use to parse the input expressions.
-1271
-1272        Returns:
-1273            Join: the modified join expression.
-1274        """
-1275        join = _apply_list_builder(
-1276            *expressions,
-1277            instance=self,
-1278            arg="using",
-1279            append=append,
-1280            dialect=dialect,
-1281            copy=copy,
-1282            **opts,
-1283        )
-1284
-1285        if join.kind == "CROSS":
-1286            join.set("kind", None)
-1287
-1288        return join
+            
    1275    def using(self, *expressions, append=True, dialect=None, copy=True, **opts):
+1276        """
+1277        Append to or set the USING expressions.
+1278
+1279        Example:
+1280            >>> import sqlglot
+1281            >>> sqlglot.parse_one("JOIN x", into=Join).using("foo", "bla").sql()
+1282            'JOIN x USING (foo, bla)'
+1283
+1284        Args:
+1285            *expressions (str | Expression): the SQL code strings to parse.
+1286                If an `Expression` instance is passed, it will be used as-is.
+1287            append (bool): if `True`, concatenate the new expressions to the existing "using" list.
+1288                Otherwise, this resets the expression.
+1289            dialect (str): the dialect used to parse the input expressions.
+1290            copy (bool): if `False`, modify this expression instance in-place.
+1291            opts (kwargs): other options to use to parse the input expressions.
+1292
+1293        Returns:
+1294            Join: the modified join expression.
+1295        """
+1296        join = _apply_list_builder(
+1297            *expressions,
+1298            instance=self,
+1299            arg="using",
+1300            append=append,
+1301            dialect=dialect,
+1302            copy=copy,
+1303            **opts,
+1304        )
+1305
+1306        if join.kind == "CROSS":
+1307            join.set("kind", None)
+1308
+1309        return join
 
    
 
 
@@ -14855,6 +15155,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14886,8 +15187,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1291class Lateral(UDTF):
-1292    arg_types = {"this": True, "view": False, "outer": False, "alias": False}
+            
    1312class Lateral(UDTF):
+1313    arg_types = {"this": True, "view": False, "outer": False, "alias": False}
 
    
 
 
@@ -14916,6 +15217,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -14953,16 +15255,16 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1295class MatchRecognize(Expression):
-1296    arg_types = {
-1297        "partition_by": False,
-1298        "order": False,
-1299        "measures": False,
-1300        "rows": False,
-1301        "after": False,
-1302        "pattern": False,
-1303        "define": False,
-1304    }
+            
    1316class MatchRecognize(Expression):
+1317    arg_types = {
+1318        "partition_by": False,
+1319        "order": False,
+1320        "measures": False,
+1321        "rows": False,
+1322        "after": False,
+1323        "pattern": False,
+1324        "define": False,
+1325    }
 
    
 
 
@@ -14991,6 +15293,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15022,8 +15325,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1309class Final(Expression):
-1310    pass
+            
    1330class Final(Expression):
+1331    pass
 
    
 
 
@@ -15052,6 +15355,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15083,8 +15387,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1313class Offset(Expression):
-1314    arg_types = {"this": False, "expression": True}
+            
    1334class Offset(Expression):
+1335    arg_types = {"this": False, "expression": True}
 
    
 
 
@@ -15113,6 +15417,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15144,8 +15449,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1317class Order(Expression):
-1318    arg_types = {"this": False, "expressions": True}
+            
    1338class Order(Expression):
+1339    arg_types = {"this": False, "expressions": True}
 
    
 
 
@@ -15174,6 +15479,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15205,8 +15511,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1323class Cluster(Order):
-1324    pass
+            
    1344class Cluster(Order):
+1345    pass
 
    
 
 
@@ -15235,6 +15541,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15266,8 +15573,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1327class Distribute(Order):
-1328    pass
+            
    1348class Distribute(Order):
+1349    pass
 
    
 
 
@@ -15296,6 +15603,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15327,8 +15635,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1331class Sort(Order):
-1332    pass
+            
    1352class Sort(Order):
+1353    pass
 
    
 
 
@@ -15357,6 +15665,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15388,8 +15697,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1335class Ordered(Expression):
-1336    arg_types = {"this": True, "desc": True, "nulls_first": True}
+            
    1356class Ordered(Expression):
+1357    arg_types = {"this": True, "desc": True, "nulls_first": True}
 
    
 
 
@@ -15418,6 +15727,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15449,8 +15759,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1339class Property(Expression):
-1340    arg_types = {"this": True, "value": True}
+            
    1360class Property(Expression):
+1361    arg_types = {"this": True, "value": True}
 
    
 
 
@@ -15479,6 +15789,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15510,8 +15821,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1343class AfterJournalProperty(Property):
-1344    arg_types = {"no": True, "dual": False, "local": False}
+            
    1364class AfterJournalProperty(Property):
+1365    arg_types = {"no": True, "dual": False, "local": False}
 
    
 
 
@@ -15540,6 +15851,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15571,8 +15883,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1347class AlgorithmProperty(Property):
-1348    arg_types = {"this": True}
+            
    1368class AlgorithmProperty(Property):
+1369    arg_types = {"this": True}
 
    
 
 
@@ -15601,6 +15913,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15632,8 +15945,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1351class AutoIncrementProperty(Property):
-1352    arg_types = {"this": True}
+            
    1372class AutoIncrementProperty(Property):
+1373    arg_types = {"this": True}
 
    
 
 
@@ -15662,6 +15975,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15693,8 +16007,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1355class BlockCompressionProperty(Property):
-1356    arg_types = {"autotemp": False, "always": False, "default": True, "manual": True, "never": True}
+            
    1376class BlockCompressionProperty(Property):
+1377    arg_types = {"autotemp": False, "always": False, "default": True, "manual": True, "never": True}
 
    
 
 
@@ -15723,6 +16037,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15754,8 +16069,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1359class CharacterSetProperty(Property):
-1360    arg_types = {"this": True, "default": True}
+            
    1380class CharacterSetProperty(Property):
+1381    arg_types = {"this": True, "default": True}
 
    
 
 
@@ -15784,6 +16099,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15815,8 +16131,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1363class ChecksumProperty(Property):
-1364    arg_types = {"on": False, "default": False}
+            
    1384class ChecksumProperty(Property):
+1385    arg_types = {"on": False, "default": False}
 
    
 
 
@@ -15845,6 +16161,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15876,8 +16193,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1367class CollateProperty(Property):
-1368    arg_types = {"this": True}
+            
    1388class CollateProperty(Property):
+1389    arg_types = {"this": True}
 
    
 
 
@@ -15906,6 +16223,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15937,8 +16255,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1371class DataBlocksizeProperty(Property):
-1372    arg_types = {"size": False, "units": False, "min": False, "default": False}
+            
    1392class DataBlocksizeProperty(Property):
+1393    arg_types = {"size": False, "units": False, "min": False, "default": False}
 
    
 
 
@@ -15967,6 +16285,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -15998,8 +16317,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1375class DefinerProperty(Property):
-1376    arg_types = {"this": True}
+            
    1396class DefinerProperty(Property):
+1397    arg_types = {"this": True}
 
    
 
 
@@ -16028,6 +16347,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16059,8 +16379,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1379class DistKeyProperty(Property):
-1380    arg_types = {"this": True}
+            
    1400class DistKeyProperty(Property):
+1401    arg_types = {"this": True}
 
    
 
 
@@ -16089,6 +16409,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16120,8 +16441,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1383class DistStyleProperty(Property):
-1384    arg_types = {"this": True}
+            
    1404class DistStyleProperty(Property):
+1405    arg_types = {"this": True}
 
    
 
 
@@ -16150,6 +16471,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16181,8 +16503,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1387class EngineProperty(Property):
-1388    arg_types = {"this": True}
+            
    1408class EngineProperty(Property):
+1409    arg_types = {"this": True}
 
    
 
 
@@ -16211,6 +16533,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16242,8 +16565,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1391class ExecuteAsProperty(Property):
-1392    arg_types = {"this": True}
+            
    1412class ExecuteAsProperty(Property):
+1413    arg_types = {"this": True}
 
    
 
 
@@ -16272,6 +16595,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16303,8 +16627,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1395class ExternalProperty(Property):
-1396    arg_types = {"this": False}
+            
    1416class ExternalProperty(Property):
+1417    arg_types = {"this": False}
 
    
 
 
@@ -16333,6 +16657,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16364,8 +16689,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1399class FallbackProperty(Property):
-1400    arg_types = {"no": True, "protection": False}
+            
    1420class FallbackProperty(Property):
+1421    arg_types = {"no": True, "protection": False}
 
    
 
 
@@ -16394,6 +16719,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16425,8 +16751,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1403class FileFormatProperty(Property):
-1404    arg_types = {"this": True}
+            
    1424class FileFormatProperty(Property):
+1425    arg_types = {"this": True}
 
    
 
 
@@ -16455,6 +16781,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16486,8 +16813,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1407class FreespaceProperty(Property):
-1408    arg_types = {"this": True, "percent": False}
+            
    1428class FreespaceProperty(Property):
+1429    arg_types = {"this": True, "percent": False}
 
    
 
 
@@ -16516,6 +16843,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16547,14 +16875,14 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1411class IsolatedLoadingProperty(Property):
-1412    arg_types = {
-1413        "no": True,
-1414        "concurrent": True,
-1415        "for_all": True,
-1416        "for_insert": True,
-1417        "for_none": True,
-1418    }
+            
    1432class IsolatedLoadingProperty(Property):
+1433    arg_types = {
+1434        "no": True,
+1435        "concurrent": True,
+1436        "for_all": True,
+1437        "for_insert": True,
+1438        "for_none": True,
+1439    }
 
    
 
 
@@ -16583,6 +16911,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16614,8 +16943,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1421class JournalProperty(Property):
-1422    arg_types = {"no": True, "dual": False, "before": False}
+            
    1442class JournalProperty(Property):
+1443    arg_types = {"no": True, "dual": False, "before": False}
 
    
 
 
@@ -16644,6 +16973,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16675,8 +17005,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1425class LanguageProperty(Property):
-1426    arg_types = {"this": True}
+            
    1446class LanguageProperty(Property):
+1447    arg_types = {"this": True}
 
    
 
 
@@ -16705,6 +17035,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16736,8 +17067,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1429class LikeProperty(Property):
-1430    arg_types = {"this": True, "expressions": False}
+            
    1450class LikeProperty(Property):
+1451    arg_types = {"this": True, "expressions": False}
 
    
 
 
@@ -16766,6 +17097,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16797,8 +17129,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1433class LocationProperty(Property):
-1434    arg_types = {"this": True}
+            
    1454class LocationProperty(Property):
+1455    arg_types = {"this": True}
 
    
 
 
@@ -16827,6 +17159,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16858,14 +17191,14 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1437class LockingProperty(Property):
-1438    arg_types = {
-1439        "this": False,
-1440        "kind": True,
-1441        "for_or_in": True,
-1442        "lock_type": True,
-1443        "override": False,
-1444    }
+            
    1458class LockingProperty(Property):
+1459    arg_types = {
+1460        "this": False,
+1461        "kind": True,
+1462        "for_or_in": True,
+1463        "lock_type": True,
+1464        "override": False,
+1465    }
 
    
 
 
@@ -16894,6 +17227,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16925,8 +17259,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1447class LogProperty(Property):
-1448    arg_types = {"no": True}
+            
    1468class LogProperty(Property):
+1469    arg_types = {"no": True}
 
    
 
 
@@ -16955,6 +17289,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -16986,8 +17321,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1451class MaterializedProperty(Property):
-1452    arg_types = {"this": False}
+            
    1472class MaterializedProperty(Property):
+1473    arg_types = {"this": False}
 
    
 
 
@@ -17016,6 +17351,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17047,8 +17383,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1455class MergeBlockRatioProperty(Property):
-1456    arg_types = {"this": False, "no": False, "default": False, "percent": False}
+            
    1476class MergeBlockRatioProperty(Property):
+1477    arg_types = {"this": False, "no": False, "default": False, "percent": False}
 
    
 
 
@@ -17077,6 +17413,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17108,8 +17445,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1459class NoPrimaryIndexProperty(Property):
-1460    arg_types = {"this": False}
+            
    1480class NoPrimaryIndexProperty(Property):
+1481    arg_types = {"this": False}
 
    
 
 
@@ -17138,6 +17475,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17169,8 +17507,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1463class OnCommitProperty(Property):
-1464    arg_type = {"this": False}
+            
    1484class OnCommitProperty(Property):
+1485    arg_type = {"this": False}
 
    
 
 
@@ -17199,6 +17537,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17230,8 +17569,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1467class PartitionedByProperty(Property):
-1468    arg_types = {"this": True}
+            
    1488class PartitionedByProperty(Property):
+1489    arg_types = {"this": True}
 
    
 
 
@@ -17260,6 +17599,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17291,8 +17631,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1471class ReturnsProperty(Property):
-1472    arg_types = {"this": True, "is_table": False, "table": False}
+            
    1492class ReturnsProperty(Property):
+1493    arg_types = {"this": True, "is_table": False, "table": False}
 
    
 
 
@@ -17321,6 +17661,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17352,17 +17693,17 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1475class RowFormatDelimitedProperty(Property):
-1476    # https://cwiki.apache.org/confluence/display/hive/languagemanual+dml
-1477    arg_types = {
-1478        "fields": False,
-1479        "escaped": False,
-1480        "collection_items": False,
-1481        "map_keys": False,
-1482        "lines": False,
-1483        "null": False,
-1484        "serde": False,
-1485    }
+            
    1496class RowFormatDelimitedProperty(Property):
+1497    # https://cwiki.apache.org/confluence/display/hive/languagemanual+dml
+1498    arg_types = {
+1499        "fields": False,
+1500        "escaped": False,
+1501        "collection_items": False,
+1502        "map_keys": False,
+1503        "lines": False,
+1504        "null": False,
+1505        "serde": False,
+1506    }
 
    
 
 
@@ -17391,6 +17732,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17422,8 +17764,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1488class RowFormatSerdeProperty(Property):
-1489    arg_types = {"this": True}
+            
    1509class RowFormatSerdeProperty(Property):
+1510    arg_types = {"this": True}
 
    
 
 
@@ -17452,6 +17794,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17483,8 +17826,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1492class SchemaCommentProperty(Property):
-1493    arg_types = {"this": True}
+            
    1513class SchemaCommentProperty(Property):
+1514    arg_types = {"this": True}
 
    
 
 
@@ -17513,6 +17856,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17544,8 +17888,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1496class SerdeProperties(Property):
-1497    arg_types = {"expressions": True}
+            
    1517class SerdeProperties(Property):
+1518    arg_types = {"expressions": True}
 
    
 
 
@@ -17574,6 +17918,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17605,8 +17950,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1500class SetProperty(Property):
-1501    arg_types = {"multi": True}
+            
    1521class SetProperty(Property):
+1522    arg_types = {"multi": True}
 
    
 
 
@@ -17635,6 +17980,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17666,8 +18012,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1504class SortKeyProperty(Property):
-1505    arg_types = {"this": True, "compound": False}
+            
    1525class SortKeyProperty(Property):
+1526    arg_types = {"this": True, "compound": False}
 
    
 
 
@@ -17696,6 +18042,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17727,8 +18074,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1508class SqlSecurityProperty(Property):
-1509    arg_types = {"definer": True}
+            
    1529class SqlSecurityProperty(Property):
+1530    arg_types = {"definer": True}
 
    
 
 
@@ -17757,6 +18104,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17788,8 +18136,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1512class TableFormatProperty(Property):
-1513    arg_types = {"this": True}
+            
    1533class TableFormatProperty(Property):
+1534    arg_types = {"this": True}
 
    
 
 
@@ -17818,6 +18166,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17849,8 +18198,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1516class TemporaryProperty(Property):
-1517    arg_types = {"global_": True}
+            
    1537class TemporaryProperty(Property):
+1538    arg_types = {"global_": True}
 
    
 
 
@@ -17879,6 +18228,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17910,8 +18260,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1520class TransientProperty(Property):
-1521    arg_types = {"this": False}
+            
    1541class TransientProperty(Property):
+1542    arg_types = {"this": False}
 
    
 
 
@@ -17940,6 +18290,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -17971,8 +18322,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1524class VolatilityProperty(Property):
-1525    arg_types = {"this": True}
+            
    1545class VolatilityProperty(Property):
+1546    arg_types = {"this": True}
 
    
 
 
@@ -18001,6 +18352,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -18032,8 +18384,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1528class WithDataProperty(Property):
-1529    arg_types = {"no": True, "statistics": False}
+            
    1549class WithDataProperty(Property):
+1550    arg_types = {"no": True, "statistics": False}
 
    
 
 
@@ -18062,6 +18414,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -18093,8 +18446,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1532class WithJournalTableProperty(Property):
-1533    arg_types = {"this": True}
+            
    1553class WithJournalTableProperty(Property):
+1554    arg_types = {"this": True}
 
    
 
 
@@ -18123,6 +18476,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -18154,65 +18508,65 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1536class Properties(Expression):
-1537    arg_types = {"expressions": True}
-1538
-1539    NAME_TO_PROPERTY = {
-1540        "ALGORITHM": AlgorithmProperty,
-1541        "AUTO_INCREMENT": AutoIncrementProperty,
-1542        "CHARACTER SET": CharacterSetProperty,
-1543        "COLLATE": CollateProperty,
-1544        "COMMENT": SchemaCommentProperty,
-1545        "DEFINER": DefinerProperty,
-1546        "DISTKEY": DistKeyProperty,
-1547        "DISTSTYLE": DistStyleProperty,
-1548        "ENGINE": EngineProperty,
-1549        "EXECUTE AS": ExecuteAsProperty,
-1550        "FORMAT": FileFormatProperty,
-1551        "LANGUAGE": LanguageProperty,
-1552        "LOCATION": LocationProperty,
-1553        "PARTITIONED_BY": PartitionedByProperty,
-1554        "RETURNS": ReturnsProperty,
-1555        "SORTKEY": SortKeyProperty,
-1556        "TABLE_FORMAT": TableFormatProperty,
-1557    }
-1558
-1559    PROPERTY_TO_NAME = {v: k for k, v in NAME_TO_PROPERTY.items()}
-1560
-1561    # CREATE property locations
-1562    # Form: schema specified
-1563    #   create [POST_CREATE]
-1564    #     table a [POST_NAME]
-1565    #     (b int) [POST_SCHEMA]
-1566    #     with ([POST_WITH])
-1567    #     index (b) [POST_INDEX]
-1568    #
-1569    # Form: alias selection
-1570    #   create [POST_CREATE]
-1571    #     table a [POST_NAME]
-1572    #     as [POST_ALIAS] (select * from b) [POST_EXPRESSION]
-1573    #     index (c) [POST_INDEX]
-1574    class Location(AutoName):
-1575        POST_CREATE = auto()
-1576        POST_NAME = auto()
-1577        POST_SCHEMA = auto()
-1578        POST_WITH = auto()
-1579        POST_ALIAS = auto()
-1580        POST_EXPRESSION = auto()
-1581        POST_INDEX = auto()
-1582        UNSUPPORTED = auto()
-1583
-1584    @classmethod
-1585    def from_dict(cls, properties_dict) -> Properties:
-1586        expressions = []
-1587        for key, value in properties_dict.items():
-1588            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
-1589            if property_cls:
-1590                expressions.append(property_cls(this=convert(value)))
-1591            else:
-1592                expressions.append(Property(this=Literal.string(key), value=convert(value)))
-1593
-1594        return cls(expressions=expressions)
+            
    1557class Properties(Expression):
+1558    arg_types = {"expressions": True}
+1559
+1560    NAME_TO_PROPERTY = {
+1561        "ALGORITHM": AlgorithmProperty,
+1562        "AUTO_INCREMENT": AutoIncrementProperty,
+1563        "CHARACTER SET": CharacterSetProperty,
+1564        "COLLATE": CollateProperty,
+1565        "COMMENT": SchemaCommentProperty,
+1566        "DEFINER": DefinerProperty,
+1567        "DISTKEY": DistKeyProperty,
+1568        "DISTSTYLE": DistStyleProperty,
+1569        "ENGINE": EngineProperty,
+1570        "EXECUTE AS": ExecuteAsProperty,
+1571        "FORMAT": FileFormatProperty,
+1572        "LANGUAGE": LanguageProperty,
+1573        "LOCATION": LocationProperty,
+1574        "PARTITIONED_BY": PartitionedByProperty,
+1575        "RETURNS": ReturnsProperty,
+1576        "SORTKEY": SortKeyProperty,
+1577        "TABLE_FORMAT": TableFormatProperty,
+1578    }
+1579
+1580    PROPERTY_TO_NAME = {v: k for k, v in NAME_TO_PROPERTY.items()}
+1581
+1582    # CREATE property locations
+1583    # Form: schema specified
+1584    #   create [POST_CREATE]
+1585    #     table a [POST_NAME]
+1586    #     (b int) [POST_SCHEMA]
+1587    #     with ([POST_WITH])
+1588    #     index (b) [POST_INDEX]
+1589    #
+1590    # Form: alias selection
+1591    #   create [POST_CREATE]
+1592    #     table a [POST_NAME]
+1593    #     as [POST_ALIAS] (select * from b) [POST_EXPRESSION]
+1594    #     index (c) [POST_INDEX]
+1595    class Location(AutoName):
+1596        POST_CREATE = auto()
+1597        POST_NAME = auto()
+1598        POST_SCHEMA = auto()
+1599        POST_WITH = auto()
+1600        POST_ALIAS = auto()
+1601        POST_EXPRESSION = auto()
+1602        POST_INDEX = auto()
+1603        UNSUPPORTED = auto()
+1604
+1605    @classmethod
+1606    def from_dict(cls, properties_dict) -> Properties:
+1607        expressions = []
+1608        for key, value in properties_dict.items():
+1609            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
+1610            if property_cls:
+1611                expressions.append(property_cls(this=convert(value)))
+1612            else:
+1613                expressions.append(Property(this=Literal.string(key), value=convert(value)))
+1614
+1615        return cls(expressions=expressions)
 
    
 
 
@@ -18230,17 +18584,17 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1584    @classmethod
-1585    def from_dict(cls, properties_dict) -> Properties:
-1586        expressions = []
-1587        for key, value in properties_dict.items():
-1588            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
-1589            if property_cls:
-1590                expressions.append(property_cls(this=convert(value)))
-1591            else:
-1592                expressions.append(Property(this=Literal.string(key), value=convert(value)))
-1593
-1594        return cls(expressions=expressions)
+            
    1605    @classmethod
+1606    def from_dict(cls, properties_dict) -> Properties:
+1607        expressions = []
+1608        for key, value in properties_dict.items():
+1609            property_cls = cls.NAME_TO_PROPERTY.get(key.upper())
+1610            if property_cls:
+1611                expressions.append(property_cls(this=convert(value)))
+1612            else:
+1613                expressions.append(Property(this=Literal.string(key), value=convert(value)))
+1614
+1615        return cls(expressions=expressions)
 
    
 
 
@@ -18270,6 +18624,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -18301,15 +18656,15 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1574    class Location(AutoName):
-1575        POST_CREATE = auto()
-1576        POST_NAME = auto()
-1577        POST_SCHEMA = auto()
-1578        POST_WITH = auto()
-1579        POST_ALIAS = auto()
-1580        POST_EXPRESSION = auto()
-1581        POST_INDEX = auto()
-1582        UNSUPPORTED = auto()
+            
    1595    class Location(AutoName):
+1596        POST_CREATE = auto()
+1597        POST_NAME = auto()
+1598        POST_SCHEMA = auto()
+1599        POST_WITH = auto()
+1600        POST_ALIAS = auto()
+1601        POST_EXPRESSION = auto()
+1602        POST_INDEX = auto()
+1603        UNSUPPORTED = auto()
 
    
 
 
@@ -18435,8 +18790,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1597class Qualify(Expression):
-1598    pass
+            
    1618class Qualify(Expression):
+1619    pass
 
    
 
 
@@ -18465,6 +18820,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -18496,8 +18852,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1602class Return(Expression):
-1603    pass
+            
    1623class Return(Expression):
+1624    pass
 
    
 
 
@@ -18526,6 +18882,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -18557,8 +18914,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1606class Reference(Expression):
-1607    arg_types = {"this": True, "expressions": False, "options": False}
+            
    1627class Reference(Expression):
+1628    arg_types = {"this": True, "expressions": False, "options": False}
 
    
 
 
@@ -18587,6 +18944,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -18618,8 +18976,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1610class Tuple(Expression):
-1611    arg_types = {"expressions": False}
+            
    1631class Tuple(Expression):
+1632    arg_types = {"expressions": False}
 
    
 
 
@@ -18648,6 +19006,7 @@ Otherwise, this resets the expression.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -18679,103 +19038,103 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1614class Subqueryable(Unionable):
-1615    def subquery(self, alias=None, copy=True) -> Subquery:
-1616        """
-1617        Convert this expression to an aliased expression that can be used as a Subquery.
-1618
-1619        Example:
-1620            >>> subquery = Select().select("x").from_("tbl").subquery()
-1621            >>> Select().select("x").from_(subquery).sql()
-1622            'SELECT x FROM (SELECT x FROM tbl)'
-1623
-1624        Args:
-1625            alias (str | Identifier): an optional alias for the subquery
-1626            copy (bool): if `False`, modify this expression instance in-place.
-1627
-1628        Returns:
-1629            Alias: the subquery
-1630        """
-1631        instance = _maybe_copy(self, copy)
-1632        return Subquery(
-1633            this=instance,
-1634            alias=TableAlias(this=to_identifier(alias)),
-1635        )
-1636
-1637    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1638        raise NotImplementedError
+            
    1635class Subqueryable(Unionable):
+1636    def subquery(self, alias=None, copy=True) -> Subquery:
+1637        """
+1638        Convert this expression to an aliased expression that can be used as a Subquery.
 1639
-1640    @property
-1641    def ctes(self):
-1642        with_ = self.args.get("with")
-1643        if not with_:
-1644            return []
-1645        return with_.expressions
-1646
-1647    @property
-1648    def selects(self):
-1649        raise NotImplementedError("Subqueryable objects must implement `selects`")
-1650
-1651    @property
-1652    def named_selects(self):
-1653        raise NotImplementedError("Subqueryable objects must implement `named_selects`")
-1654
-1655    def with_(
-1656        self,
-1657        alias,
-1658        as_,
-1659        recursive=None,
-1660        append=True,
-1661        dialect=None,
-1662        copy=True,
-1663        **opts,
-1664    ):
-1665        """
-1666        Append to or set the common table expressions.
+1640        Example:
+1641            >>> subquery = Select().select("x").from_("tbl").subquery()
+1642            >>> Select().select("x").from_(subquery).sql()
+1643            'SELECT x FROM (SELECT x FROM tbl)'
+1644
+1645        Args:
+1646            alias (str | Identifier): an optional alias for the subquery
+1647            copy (bool): if `False`, modify this expression instance in-place.
+1648
+1649        Returns:
+1650            Alias: the subquery
+1651        """
+1652        instance = _maybe_copy(self, copy)
+1653        return Subquery(
+1654            this=instance,
+1655            alias=TableAlias(this=to_identifier(alias)),
+1656        )
+1657
+1658    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+1659        raise NotImplementedError
+1660
+1661    @property
+1662    def ctes(self):
+1663        with_ = self.args.get("with")
+1664        if not with_:
+1665            return []
+1666        return with_.expressions
 1667
-1668        Example:
-1669            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
-1670            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
+1668    @property
+1669    def selects(self):
+1670        raise NotImplementedError("Subqueryable objects must implement `selects`")
 1671
-1672        Args:
-1673            alias (str | Expression): the SQL code string to parse as the table name.
-1674                If an `Expression` instance is passed, this is used as-is.
-1675            as_ (str | Expression): the SQL code string to parse as the table expression.
-1676                If an `Expression` instance is passed, it will be used as-is.
-1677            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
-1678            append (bool): if `True`, add to any existing expressions.
-1679                Otherwise, this resets the expressions.
-1680            dialect (str): the dialect used to parse the input expression.
-1681            copy (bool): if `False`, modify this expression instance in-place.
-1682            opts (kwargs): other options to use to parse the input expressions.
-1683
-1684        Returns:
-1685            Select: the modified expression.
-1686        """
-1687        alias_expression = maybe_parse(
-1688            alias,
-1689            dialect=dialect,
-1690            into=TableAlias,
-1691            **opts,
-1692        )
-1693        as_expression = maybe_parse(
-1694            as_,
-1695            dialect=dialect,
-1696            **opts,
-1697        )
-1698        cte = CTE(
-1699            this=as_expression,
-1700            alias=alias_expression,
-1701        )
-1702        return _apply_child_list_builder(
-1703            cte,
-1704            instance=self,
-1705            arg="with",
-1706            append=append,
-1707            copy=copy,
-1708            into=With,
-1709            properties={"recursive": recursive or False},
-1710        )
+1672    @property
+1673    def named_selects(self):
+1674        raise NotImplementedError("Subqueryable objects must implement `named_selects`")
+1675
+1676    def with_(
+1677        self,
+1678        alias,
+1679        as_,
+1680        recursive=None,
+1681        append=True,
+1682        dialect=None,
+1683        copy=True,
+1684        **opts,
+1685    ):
+1686        """
+1687        Append to or set the common table expressions.
+1688
+1689        Example:
+1690            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
+1691            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
+1692
+1693        Args:
+1694            alias (str | Expression): the SQL code string to parse as the table name.
+1695                If an `Expression` instance is passed, this is used as-is.
+1696            as_ (str | Expression): the SQL code string to parse as the table expression.
+1697                If an `Expression` instance is passed, it will be used as-is.
+1698            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
+1699            append (bool): if `True`, add to any existing expressions.
+1700                Otherwise, this resets the expressions.
+1701            dialect (str): the dialect used to parse the input expression.
+1702            copy (bool): if `False`, modify this expression instance in-place.
+1703            opts (kwargs): other options to use to parse the input expressions.
+1704
+1705        Returns:
+1706            Select: the modified expression.
+1707        """
+1708        alias_expression = maybe_parse(
+1709            alias,
+1710            dialect=dialect,
+1711            into=TableAlias,
+1712            **opts,
+1713        )
+1714        as_expression = maybe_parse(
+1715            as_,
+1716            dialect=dialect,
+1717            **opts,
+1718        )
+1719        cte = CTE(
+1720            this=as_expression,
+1721            alias=alias_expression,
+1722        )
+1723        return _apply_child_list_builder(
+1724            cte,
+1725            instance=self,
+1726            arg="with",
+1727            append=append,
+1728            copy=copy,
+1729            into=With,
+1730            properties={"recursive": recursive or False},
+1731        )
 
    
 
 
@@ -18792,27 +19151,27 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1615    def subquery(self, alias=None, copy=True) -> Subquery:
-1616        """
-1617        Convert this expression to an aliased expression that can be used as a Subquery.
-1618
-1619        Example:
-1620            >>> subquery = Select().select("x").from_("tbl").subquery()
-1621            >>> Select().select("x").from_(subquery).sql()
-1622            'SELECT x FROM (SELECT x FROM tbl)'
-1623
-1624        Args:
-1625            alias (str | Identifier): an optional alias for the subquery
-1626            copy (bool): if `False`, modify this expression instance in-place.
-1627
-1628        Returns:
-1629            Alias: the subquery
-1630        """
-1631        instance = _maybe_copy(self, copy)
-1632        return Subquery(
-1633            this=instance,
-1634            alias=TableAlias(this=to_identifier(alias)),
-1635        )
+            
    1636    def subquery(self, alias=None, copy=True) -> Subquery:
+1637        """
+1638        Convert this expression to an aliased expression that can be used as a Subquery.
+1639
+1640        Example:
+1641            >>> subquery = Select().select("x").from_("tbl").subquery()
+1642            >>> Select().select("x").from_(subquery).sql()
+1643            'SELECT x FROM (SELECT x FROM tbl)'
+1644
+1645        Args:
+1646            alias (str | Identifier): an optional alias for the subquery
+1647            copy (bool): if `False`, modify this expression instance in-place.
+1648
+1649        Returns:
+1650            Alias: the subquery
+1651        """
+1652        instance = _maybe_copy(self, copy)
+1653        return Subquery(
+1654            this=instance,
+1655            alias=TableAlias(this=to_identifier(alias)),
+1656        )
 
    
 
 
@@ -18856,8 +19215,8 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1637    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1638        raise NotImplementedError
+            
    1658    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+1659        raise NotImplementedError
 
    
 
 
@@ -18875,62 +19234,62 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    1655    def with_(
-1656        self,
-1657        alias,
-1658        as_,
-1659        recursive=None,
-1660        append=True,
-1661        dialect=None,
-1662        copy=True,
-1663        **opts,
-1664    ):
-1665        """
-1666        Append to or set the common table expressions.
-1667
-1668        Example:
-1669            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
-1670            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
-1671
-1672        Args:
-1673            alias (str | Expression): the SQL code string to parse as the table name.
-1674                If an `Expression` instance is passed, this is used as-is.
-1675            as_ (str | Expression): the SQL code string to parse as the table expression.
-1676                If an `Expression` instance is passed, it will be used as-is.
-1677            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
-1678            append (bool): if `True`, add to any existing expressions.
-1679                Otherwise, this resets the expressions.
-1680            dialect (str): the dialect used to parse the input expression.
-1681            copy (bool): if `False`, modify this expression instance in-place.
-1682            opts (kwargs): other options to use to parse the input expressions.
-1683
-1684        Returns:
-1685            Select: the modified expression.
-1686        """
-1687        alias_expression = maybe_parse(
-1688            alias,
-1689            dialect=dialect,
-1690            into=TableAlias,
-1691            **opts,
-1692        )
-1693        as_expression = maybe_parse(
-1694            as_,
-1695            dialect=dialect,
-1696            **opts,
-1697        )
-1698        cte = CTE(
-1699            this=as_expression,
-1700            alias=alias_expression,
-1701        )
-1702        return _apply_child_list_builder(
-1703            cte,
-1704            instance=self,
-1705            arg="with",
-1706            append=append,
-1707            copy=copy,
-1708            into=With,
-1709            properties={"recursive": recursive or False},
-1710        )
+            
    1676    def with_(
+1677        self,
+1678        alias,
+1679        as_,
+1680        recursive=None,
+1681        append=True,
+1682        dialect=None,
+1683        copy=True,
+1684        **opts,
+1685    ):
+1686        """
+1687        Append to or set the common table expressions.
+1688
+1689        Example:
+1690            >>> Select().with_("tbl2", as_="SELECT * FROM tbl").select("x").from_("tbl2").sql()
+1691            'WITH tbl2 AS (SELECT * FROM tbl) SELECT x FROM tbl2'
+1692
+1693        Args:
+1694            alias (str | Expression): the SQL code string to parse as the table name.
+1695                If an `Expression` instance is passed, this is used as-is.
+1696            as_ (str | Expression): the SQL code string to parse as the table expression.
+1697                If an `Expression` instance is passed, it will be used as-is.
+1698            recursive (bool): set the RECURSIVE part of the expression. Defaults to `False`.
+1699            append (bool): if `True`, add to any existing expressions.
+1700                Otherwise, this resets the expressions.
+1701            dialect (str): the dialect used to parse the input expression.
+1702            copy (bool): if `False`, modify this expression instance in-place.
+1703            opts (kwargs): other options to use to parse the input expressions.
+1704
+1705        Returns:
+1706            Select: the modified expression.
+1707        """
+1708        alias_expression = maybe_parse(
+1709            alias,
+1710            dialect=dialect,
+1711            into=TableAlias,
+1712            **opts,
+1713        )
+1714        as_expression = maybe_parse(
+1715            as_,
+1716            dialect=dialect,
+1717            **opts,
+1718        )
+1719        cte = CTE(
+1720            this=as_expression,
+1721            alias=alias_expression,
+1722        )
+1723        return _apply_child_list_builder(
+1724            cte,
+1725            instance=self,
+1726            arg="with",
+1727            append=append,
+1728            copy=copy,
+1729            into=With,
+1730            properties={"recursive": recursive or False},
+1731        )
 
    
 
 
@@ -18993,6 +19352,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19030,26 +19390,26 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1733class Table(Expression):
-1734    arg_types = {
-1735        "this": True,
-1736        "alias": False,
-1737        "db": False,
-1738        "catalog": False,
-1739        "laterals": False,
-1740        "joins": False,
-1741        "pivots": False,
-1742        "hints": False,
-1743        "system_time": False,
-1744    }
-1745
-1746    @property
-1747    def db(self) -> str:
-1748        return self.text("db")
-1749
-1750    @property
-1751    def catalog(self) -> str:
-1752        return self.text("catalog")
+            
    1754class Table(Expression):
+1755    arg_types = {
+1756        "this": True,
+1757        "alias": False,
+1758        "db": False,
+1759        "catalog": False,
+1760        "laterals": False,
+1761        "joins": False,
+1762        "pivots": False,
+1763        "hints": False,
+1764        "system_time": False,
+1765    }
+1766
+1767    @property
+1768    def db(self) -> str:
+1769        return self.text("db")
+1770
+1771    @property
+1772    def catalog(self) -> str:
+1773        return self.text("catalog")
 
    
 
 
@@ -19078,6 +19438,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19109,12 +19470,12 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1756class SystemTime(Expression):
-1757    arg_types = {
-1758        "this": False,
-1759        "expression": False,
-1760        "kind": True,
-1761    }
+            
    1777class SystemTime(Expression):
+1778    arg_types = {
+1779        "this": False,
+1780        "expression": False,
+1781        "kind": True,
+1782    }
 
    
 
 
@@ -19143,6 +19504,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19174,94 +19536,94 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1764class Union(Subqueryable):
-1765    arg_types = {
-1766        "with": False,
-1767        "this": True,
-1768        "expression": True,
-1769        "distinct": False,
-1770        **QUERY_MODIFIERS,
-1771    }
-1772
-1773    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1774        """
-1775        Set the LIMIT expression.
-1776
-1777        Example:
-1778            >>> select("1").union(select("1")).limit(1).sql()
-1779            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
-1780
-1781        Args:
-1782            expression (str | int | Expression): the SQL code string to parse.
-1783                This can also be an integer.
-1784                If a `Limit` instance is passed, this is used as-is.
-1785                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-1786            dialect (str): the dialect used to parse the input expression.
-1787            copy (bool): if `False`, modify this expression instance in-place.
-1788            opts (kwargs): other options to use to parse the input expressions.
-1789
-1790        Returns:
-1791            Select: The limited subqueryable.
-1792        """
-1793        return (
-1794            select("*")
-1795            .from_(self.subquery(alias="_l_0", copy=copy))
-1796            .limit(expression, dialect=dialect, copy=False, **opts)
-1797        )
-1798
-1799    def select(
-1800        self,
-1801        *expressions: str | Expression,
-1802        append: bool = True,
-1803        dialect: DialectType = None,
-1804        copy: bool = True,
-1805        **opts,
-1806    ) -> Union:
-1807        """Append to or set the SELECT of the union recursively.
-1808
-1809        Example:
-1810            >>> from sqlglot import parse_one
-1811            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
-1812            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
-1813
-1814        Args:
-1815            *expressions: the SQL code strings to parse.
-1816                If an `Expression` instance is passed, it will be used as-is.
-1817            append: if `True`, add to any existing expressions.
-1818                Otherwise, this resets the expressions.
-1819            dialect: the dialect used to parse the input expressions.
-1820            copy: if `False`, modify this expression instance in-place.
-1821            opts: other options to use to parse the input expressions.
-1822
-1823        Returns:
-1824            Union: the modified expression.
-1825        """
-1826        this = self.copy() if copy else self
-1827        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
-1828        this.expression.unnest().select(
-1829            *expressions, append=append, dialect=dialect, copy=False, **opts
-1830        )
-1831        return this
-1832
-1833    @property
-1834    def named_selects(self):
-1835        return self.this.unnest().named_selects
-1836
-1837    @property
-1838    def is_star(self) -> bool:
-1839        return self.this.is_star or self.expression.is_star
-1840
-1841    @property
-1842    def selects(self):
-1843        return self.this.unnest().selects
-1844
-1845    @property
-1846    def left(self):
-1847        return self.this
-1848
-1849    @property
-1850    def right(self):
-1851        return self.expression
+            
    1785class Union(Subqueryable):
+1786    arg_types = {
+1787        "with": False,
+1788        "this": True,
+1789        "expression": True,
+1790        "distinct": False,
+1791        **QUERY_MODIFIERS,
+1792    }
+1793
+1794    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+1795        """
+1796        Set the LIMIT expression.
+1797
+1798        Example:
+1799            >>> select("1").union(select("1")).limit(1).sql()
+1800            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
+1801
+1802        Args:
+1803            expression (str | int | Expression): the SQL code string to parse.
+1804                This can also be an integer.
+1805                If a `Limit` instance is passed, this is used as-is.
+1806                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+1807            dialect (str): the dialect used to parse the input expression.
+1808            copy (bool): if `False`, modify this expression instance in-place.
+1809            opts (kwargs): other options to use to parse the input expressions.
+1810
+1811        Returns:
+1812            Select: The limited subqueryable.
+1813        """
+1814        return (
+1815            select("*")
+1816            .from_(self.subquery(alias="_l_0", copy=copy))
+1817            .limit(expression, dialect=dialect, copy=False, **opts)
+1818        )
+1819
+1820    def select(
+1821        self,
+1822        *expressions: str | Expression,
+1823        append: bool = True,
+1824        dialect: DialectType = None,
+1825        copy: bool = True,
+1826        **opts,
+1827    ) -> Union:
+1828        """Append to or set the SELECT of the union recursively.
+1829
+1830        Example:
+1831            >>> from sqlglot import parse_one
+1832            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
+1833            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
+1834
+1835        Args:
+1836            *expressions: the SQL code strings to parse.
+1837                If an `Expression` instance is passed, it will be used as-is.
+1838            append: if `True`, add to any existing expressions.
+1839                Otherwise, this resets the expressions.
+1840            dialect: the dialect used to parse the input expressions.
+1841            copy: if `False`, modify this expression instance in-place.
+1842            opts: other options to use to parse the input expressions.
+1843
+1844        Returns:
+1845            Union: the modified expression.
+1846        """
+1847        this = self.copy() if copy else self
+1848        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
+1849        this.expression.unnest().select(
+1850            *expressions, append=append, dialect=dialect, copy=False, **opts
+1851        )
+1852        return this
+1853
+1854    @property
+1855    def named_selects(self):
+1856        return self.this.unnest().named_selects
+1857
+1858    @property
+1859    def is_star(self) -> bool:
+1860        return self.this.is_star or self.expression.is_star
+1861
+1862    @property
+1863    def selects(self):
+1864        return self.this.unnest().selects
+1865
+1866    @property
+1867    def left(self):
+1868        return self.this
+1869
+1870    @property
+1871    def right(self):
+1872        return self.expression
 
    
 
 
@@ -19278,31 +19640,31 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1773    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-1774        """
-1775        Set the LIMIT expression.
-1776
-1777        Example:
-1778            >>> select("1").union(select("1")).limit(1).sql()
-1779            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
-1780
-1781        Args:
-1782            expression (str | int | Expression): the SQL code string to parse.
-1783                This can also be an integer.
-1784                If a `Limit` instance is passed, this is used as-is.
-1785                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-1786            dialect (str): the dialect used to parse the input expression.
-1787            copy (bool): if `False`, modify this expression instance in-place.
-1788            opts (kwargs): other options to use to parse the input expressions.
-1789
-1790        Returns:
-1791            Select: The limited subqueryable.
-1792        """
-1793        return (
-1794            select("*")
-1795            .from_(self.subquery(alias="_l_0", copy=copy))
-1796            .limit(expression, dialect=dialect, copy=False, **opts)
-1797        )
+            
    1794    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+1795        """
+1796        Set the LIMIT expression.
+1797
+1798        Example:
+1799            >>> select("1").union(select("1")).limit(1).sql()
+1800            'SELECT * FROM (SELECT 1 UNION SELECT 1) AS _l_0 LIMIT 1'
+1801
+1802        Args:
+1803            expression (str | int | Expression): the SQL code string to parse.
+1804                This can also be an integer.
+1805                If a `Limit` instance is passed, this is used as-is.
+1806                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+1807            dialect (str): the dialect used to parse the input expression.
+1808            copy (bool): if `False`, modify this expression instance in-place.
+1809            opts (kwargs): other options to use to parse the input expressions.
+1810
+1811        Returns:
+1812            Select: The limited subqueryable.
+1813        """
+1814        return (
+1815            select("*")
+1816            .from_(self.subquery(alias="_l_0", copy=copy))
+1817            .limit(expression, dialect=dialect, copy=False, **opts)
+1818        )
 
    
 
 
@@ -19350,39 +19712,39 @@ If another Expression instance is passed,
 
     
    
     
-            
    1799    def select(
-1800        self,
-1801        *expressions: str | Expression,
-1802        append: bool = True,
-1803        dialect: DialectType = None,
-1804        copy: bool = True,
-1805        **opts,
-1806    ) -> Union:
-1807        """Append to or set the SELECT of the union recursively.
-1808
-1809        Example:
-1810            >>> from sqlglot import parse_one
-1811            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
-1812            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
-1813
-1814        Args:
-1815            *expressions: the SQL code strings to parse.
-1816                If an `Expression` instance is passed, it will be used as-is.
-1817            append: if `True`, add to any existing expressions.
-1818                Otherwise, this resets the expressions.
-1819            dialect: the dialect used to parse the input expressions.
-1820            copy: if `False`, modify this expression instance in-place.
-1821            opts: other options to use to parse the input expressions.
-1822
-1823        Returns:
-1824            Union: the modified expression.
-1825        """
-1826        this = self.copy() if copy else self
-1827        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
-1828        this.expression.unnest().select(
-1829            *expressions, append=append, dialect=dialect, copy=False, **opts
-1830        )
-1831        return this
+            
    1820    def select(
+1821        self,
+1822        *expressions: str | Expression,
+1823        append: bool = True,
+1824        dialect: DialectType = None,
+1825        copy: bool = True,
+1826        **opts,
+1827    ) -> Union:
+1828        """Append to or set the SELECT of the union recursively.
+1829
+1830        Example:
+1831            >>> from sqlglot import parse_one
+1832            >>> parse_one("select a from x union select a from y union select a from z").select("b").sql()
+1833            'SELECT a, b FROM x UNION SELECT a, b FROM y UNION SELECT a, b FROM z'
+1834
+1835        Args:
+1836            *expressions: the SQL code strings to parse.
+1837                If an `Expression` instance is passed, it will be used as-is.
+1838            append: if `True`, add to any existing expressions.
+1839                Otherwise, this resets the expressions.
+1840            dialect: the dialect used to parse the input expressions.
+1841            copy: if `False`, modify this expression instance in-place.
+1842            opts: other options to use to parse the input expressions.
+1843
+1844        Returns:
+1845            Union: the modified expression.
+1846        """
+1847        this = self.copy() if copy else self
+1848        this.this.unnest().select(*expressions, append=append, dialect=dialect, copy=False, **opts)
+1849        this.expression.unnest().select(
+1850            *expressions, append=append, dialect=dialect, copy=False, **opts
+1851        )
+1852        return this
 
    
 
 
@@ -19455,6 +19817,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19497,8 +19860,8 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1854class Except(Union):
-1855    pass
+            
    1875class Except(Union):
+1876    pass
 
    
 
 
@@ -19526,6 +19889,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19574,8 +19938,8 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1858class Intersect(Union):
-1859    pass
+            
    1879class Intersect(Union):
+1880    pass
 
    
 
 
@@ -19603,6 +19967,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19651,13 +20016,13 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1862class Unnest(UDTF):
-1863    arg_types = {
-1864        "expressions": True,
-1865        "ordinality": False,
-1866        "alias": False,
-1867        "offset": False,
-1868    }
+            
    1883class Unnest(UDTF):
+1884    arg_types = {
+1885        "expressions": True,
+1886        "ordinality": False,
+1887        "alias": False,
+1888        "offset": False,
+1889    }
 
    
 
 
@@ -19686,6 +20051,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19723,14 +20089,14 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1871class Update(Expression):
-1872    arg_types = {
-1873        "with": False,
-1874        "this": False,
-1875        "expressions": True,
-1876        "from": False,
-1877        "where": False,
-1878    }
+            
    1892class Update(Expression):
+1893    arg_types = {
+1894        "with": False,
+1895        "this": False,
+1896        "expressions": True,
+1897        "from": False,
+1898        "where": False,
+1899    }
 
    
 
 
@@ -19759,6 +20125,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19790,12 +20157,12 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1881class Values(UDTF):
-1882    arg_types = {
-1883        "expressions": True,
-1884        "ordinality": False,
-1885        "alias": False,
-1886    }
+            
    1902class Values(UDTF):
+1903    arg_types = {
+1904        "expressions": True,
+1905        "ordinality": False,
+1906        "alias": False,
+1907    }
 
    
 
 
@@ -19824,6 +20191,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19861,8 +20229,8 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1889class Var(Expression):
-1890    pass
+            
    1910class Var(Expression):
+1911    pass
 
    
 
 
@@ -19891,6 +20259,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19922,8 +20291,8 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1893class Schema(Expression):
-1894    arg_types = {"this": False, "expressions": False}
+            
    1914class Schema(Expression):
+1915    arg_types = {"this": False, "expressions": False}
 
    
 
 
@@ -19952,6 +20321,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -19983,8 +20353,8 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1899class Lock(Expression):
-1900    arg_types = {"update": True}
+            
    1920class Lock(Expression):
+1921    arg_types = {"update": True}
 
    
 
 
@@ -20013,6 +20383,7 @@ Otherwise, this resets the expressions.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -20044,578 +20415,578 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1903class Select(Subqueryable):
-1904    arg_types = {
-1905        "with": False,
-1906        "expressions": False,
-1907        "hint": False,
-1908        "distinct": False,
-1909        "into": False,
-1910        "from": False,
-1911        **QUERY_MODIFIERS,
-1912    }
-1913
-1914    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-1915        """
-1916        Set the FROM expression.
-1917
-1918        Example:
-1919            >>> Select().from_("tbl").select("x").sql()
-1920            'SELECT x FROM tbl'
-1921
-1922        Args:
-1923            *expressions (str | Expression): the SQL code strings to parse.
-1924                If a `From` instance is passed, this is used as-is.
-1925                If another `Expression` instance is passed, it will be wrapped in a `From`.
-1926            append (bool): if `True`, add to any existing expressions.
-1927                Otherwise, this flattens all the `From` expression into a single expression.
-1928            dialect (str): the dialect used to parse the input expression.
-1929            copy (bool): if `False`, modify this expression instance in-place.
-1930            opts (kwargs): other options to use to parse the input expressions.
-1931
-1932        Returns:
-1933            Select: the modified expression.
-1934        """
-1935        return _apply_child_list_builder(
-1936            *expressions,
-1937            instance=self,
-1938            arg="from",
-1939            append=append,
-1940            copy=copy,
-1941            prefix="FROM",
-1942            into=From,
-1943            dialect=dialect,
-1944            **opts,
-1945        )
-1946
-1947    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-1948        """
-1949        Set the GROUP BY expression.
-1950
-1951        Example:
-1952            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
-1953            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
-1954
-1955        Args:
-1956            *expressions (str | Expression): the SQL code strings to parse.
-1957                If a `Group` instance is passed, this is used as-is.
-1958                If another `Expression` instance is passed, it will be wrapped in a `Group`.
-1959                If nothing is passed in then a group by is not applied to the expression
-1960            append (bool): if `True`, add to any existing expressions.
-1961                Otherwise, this flattens all the `Group` expression into a single expression.
-1962            dialect (str): the dialect used to parse the input expression.
-1963            copy (bool): if `False`, modify this expression instance in-place.
-1964            opts (kwargs): other options to use to parse the input expressions.
-1965
-1966        Returns:
-1967            Select: the modified expression.
-1968        """
-1969        if not expressions:
-1970            return self if not copy else self.copy()
-1971        return _apply_child_list_builder(
-1972            *expressions,
-1973            instance=self,
-1974            arg="group",
-1975            append=append,
-1976            copy=copy,
-1977            prefix="GROUP BY",
-1978            into=Group,
-1979            dialect=dialect,
-1980            **opts,
-1981        )
-1982
-1983    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-1984        """
-1985        Set the ORDER BY expression.
+            
    1924class Select(Subqueryable):
+1925    arg_types = {
+1926        "with": False,
+1927        "expressions": False,
+1928        "hint": False,
+1929        "distinct": False,
+1930        "into": False,
+1931        "from": False,
+1932        **QUERY_MODIFIERS,
+1933    }
+1934
+1935    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+1936        """
+1937        Set the FROM expression.
+1938
+1939        Example:
+1940            >>> Select().from_("tbl").select("x").sql()
+1941            'SELECT x FROM tbl'
+1942
+1943        Args:
+1944            *expressions (str | Expression): the SQL code strings to parse.
+1945                If a `From` instance is passed, this is used as-is.
+1946                If another `Expression` instance is passed, it will be wrapped in a `From`.
+1947            append (bool): if `True`, add to any existing expressions.
+1948                Otherwise, this flattens all the `From` expression into a single expression.
+1949            dialect (str): the dialect used to parse the input expression.
+1950            copy (bool): if `False`, modify this expression instance in-place.
+1951            opts (kwargs): other options to use to parse the input expressions.
+1952
+1953        Returns:
+1954            Select: the modified expression.
+1955        """
+1956        return _apply_child_list_builder(
+1957            *expressions,
+1958            instance=self,
+1959            arg="from",
+1960            append=append,
+1961            copy=copy,
+1962            prefix="FROM",
+1963            into=From,
+1964            dialect=dialect,
+1965            **opts,
+1966        )
+1967
+1968    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+1969        """
+1970        Set the GROUP BY expression.
+1971
+1972        Example:
+1973            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
+1974            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
+1975
+1976        Args:
+1977            *expressions (str | Expression): the SQL code strings to parse.
+1978                If a `Group` instance is passed, this is used as-is.
+1979                If another `Expression` instance is passed, it will be wrapped in a `Group`.
+1980                If nothing is passed in then a group by is not applied to the expression
+1981            append (bool): if `True`, add to any existing expressions.
+1982                Otherwise, this flattens all the `Group` expression into a single expression.
+1983            dialect (str): the dialect used to parse the input expression.
+1984            copy (bool): if `False`, modify this expression instance in-place.
+1985            opts (kwargs): other options to use to parse the input expressions.
 1986
-1987        Example:
-1988            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
-1989            'SELECT x FROM tbl ORDER BY x DESC'
-1990
-1991        Args:
-1992            *expressions (str | Expression): the SQL code strings to parse.
-1993                If a `Group` instance is passed, this is used as-is.
-1994                If another `Expression` instance is passed, it will be wrapped in a `Order`.
-1995            append (bool): if `True`, add to any existing expressions.
-1996                Otherwise, this flattens all the `Order` expression into a single expression.
-1997            dialect (str): the dialect used to parse the input expression.
-1998            copy (bool): if `False`, modify this expression instance in-place.
-1999            opts (kwargs): other options to use to parse the input expressions.
-2000
-2001        Returns:
-2002            Select: the modified expression.
-2003        """
-2004        return _apply_child_list_builder(
-2005            *expressions,
-2006            instance=self,
-2007            arg="order",
-2008            append=append,
-2009            copy=copy,
-2010            prefix="ORDER BY",
-2011            into=Order,
-2012            dialect=dialect,
-2013            **opts,
-2014        )
-2015
-2016    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2017        """
-2018        Set the SORT BY expression.
-2019
-2020        Example:
-2021            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
-2022            'SELECT x FROM tbl SORT BY x DESC'
-2023
-2024        Args:
-2025            *expressions (str | Expression): the SQL code strings to parse.
-2026                If a `Group` instance is passed, this is used as-is.
-2027                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
-2028            append (bool): if `True`, add to any existing expressions.
-2029                Otherwise, this flattens all the `Order` expression into a single expression.
-2030            dialect (str): the dialect used to parse the input expression.
-2031            copy (bool): if `False`, modify this expression instance in-place.
-2032            opts (kwargs): other options to use to parse the input expressions.
-2033
-2034        Returns:
-2035            Select: the modified expression.
-2036        """
-2037        return _apply_child_list_builder(
-2038            *expressions,
-2039            instance=self,
-2040            arg="sort",
-2041            append=append,
-2042            copy=copy,
-2043            prefix="SORT BY",
-2044            into=Sort,
-2045            dialect=dialect,
-2046            **opts,
-2047        )
-2048
-2049    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2050        """
-2051        Set the CLUSTER BY expression.
-2052
-2053        Example:
-2054            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
-2055            'SELECT x FROM tbl CLUSTER BY x DESC'
-2056
-2057        Args:
-2058            *expressions (str | Expression): the SQL code strings to parse.
-2059                If a `Group` instance is passed, this is used as-is.
-2060                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
-2061            append (bool): if `True`, add to any existing expressions.
-2062                Otherwise, this flattens all the `Order` expression into a single expression.
-2063            dialect (str): the dialect used to parse the input expression.
-2064            copy (bool): if `False`, modify this expression instance in-place.
-2065            opts (kwargs): other options to use to parse the input expressions.
-2066
-2067        Returns:
-2068            Select: the modified expression.
-2069        """
-2070        return _apply_child_list_builder(
-2071            *expressions,
-2072            instance=self,
-2073            arg="cluster",
-2074            append=append,
-2075            copy=copy,
-2076            prefix="CLUSTER BY",
-2077            into=Cluster,
-2078            dialect=dialect,
-2079            **opts,
-2080        )
-2081
-2082    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-2083        """
-2084        Set the LIMIT expression.
-2085
-2086        Example:
-2087            >>> Select().from_("tbl").select("x").limit(10).sql()
-2088            'SELECT x FROM tbl LIMIT 10'
-2089
-2090        Args:
-2091            expression (str | int | Expression): the SQL code string to parse.
-2092                This can also be an integer.
-2093                If a `Limit` instance is passed, this is used as-is.
-2094                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-2095            dialect (str): the dialect used to parse the input expression.
-2096            copy (bool): if `False`, modify this expression instance in-place.
-2097            opts (kwargs): other options to use to parse the input expressions.
-2098
-2099        Returns:
-2100            Select: the modified expression.
-2101        """
-2102        return _apply_builder(
-2103            expression=expression,
-2104            instance=self,
-2105            arg="limit",
-2106            into=Limit,
-2107            prefix="LIMIT",
-2108            dialect=dialect,
-2109            copy=copy,
-2110            **opts,
-2111        )
-2112
-2113    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
-2114        """
-2115        Set the OFFSET expression.
-2116
-2117        Example:
-2118            >>> Select().from_("tbl").select("x").offset(10).sql()
-2119            'SELECT x FROM tbl OFFSET 10'
-2120
-2121        Args:
-2122            expression (str | int | Expression): the SQL code string to parse.
-2123                This can also be an integer.
-2124                If a `Offset` instance is passed, this is used as-is.
-2125                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
-2126            dialect (str): the dialect used to parse the input expression.
-2127            copy (bool): if `False`, modify this expression instance in-place.
-2128            opts (kwargs): other options to use to parse the input expressions.
-2129
-2130        Returns:
-2131            Select: the modified expression.
-2132        """
-2133        return _apply_builder(
-2134            expression=expression,
-2135            instance=self,
-2136            arg="offset",
-2137            into=Offset,
-2138            prefix="OFFSET",
-2139            dialect=dialect,
-2140            copy=copy,
-2141            **opts,
-2142        )
-2143
-2144    def select(
-2145        self,
-2146        *expressions: str | Expression,
-2147        append: bool = True,
-2148        dialect: DialectType = None,
-2149        copy: bool = True,
-2150        **opts,
-2151    ) -> Select:
-2152        """
-2153        Append to or set the SELECT expressions.
-2154
-2155        Example:
-2156            >>> Select().select("x", "y").sql()
-2157            'SELECT x, y'
-2158
-2159        Args:
-2160            *expressions: the SQL code strings to parse.
-2161                If an `Expression` instance is passed, it will be used as-is.
-2162            append: if `True`, add to any existing expressions.
-2163                Otherwise, this resets the expressions.
-2164            dialect: the dialect used to parse the input expressions.
-2165            copy: if `False`, modify this expression instance in-place.
-2166            opts: other options to use to parse the input expressions.
-2167
-2168        Returns:
-2169            Select: the modified expression.
-2170        """
-2171        return _apply_list_builder(
-2172            *expressions,
-2173            instance=self,
-2174            arg="expressions",
-2175            append=append,
-2176            dialect=dialect,
-2177            copy=copy,
-2178            **opts,
-2179        )
-2180
-2181    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2182        """
-2183        Append to or set the LATERAL expressions.
-2184
-2185        Example:
-2186            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
-2187            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
+1987        Returns:
+1988            Select: the modified expression.
+1989        """
+1990        if not expressions:
+1991            return self if not copy else self.copy()
+1992        return _apply_child_list_builder(
+1993            *expressions,
+1994            instance=self,
+1995            arg="group",
+1996            append=append,
+1997            copy=copy,
+1998            prefix="GROUP BY",
+1999            into=Group,
+2000            dialect=dialect,
+2001            **opts,
+2002        )
+2003
+2004    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2005        """
+2006        Set the ORDER BY expression.
+2007
+2008        Example:
+2009            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
+2010            'SELECT x FROM tbl ORDER BY x DESC'
+2011
+2012        Args:
+2013            *expressions (str | Expression): the SQL code strings to parse.
+2014                If a `Group` instance is passed, this is used as-is.
+2015                If another `Expression` instance is passed, it will be wrapped in a `Order`.
+2016            append (bool): if `True`, add to any existing expressions.
+2017                Otherwise, this flattens all the `Order` expression into a single expression.
+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        return _apply_child_list_builder(
+2026            *expressions,
+2027            instance=self,
+2028            arg="order",
+2029            append=append,
+2030            copy=copy,
+2031            prefix="ORDER BY",
+2032            into=Order,
+2033            dialect=dialect,
+2034            **opts,
+2035        )
+2036
+2037    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2038        """
+2039        Set the SORT BY expression.
+2040
+2041        Example:
+2042            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
+2043            'SELECT x FROM tbl SORT BY x DESC'
+2044
+2045        Args:
+2046            *expressions (str | Expression): the SQL code strings to parse.
+2047                If a `Group` instance is passed, this is used as-is.
+2048                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
+2049            append (bool): if `True`, add to any existing expressions.
+2050                Otherwise, this flattens all the `Order` expression into a single expression.
+2051            dialect (str): the dialect used to parse the input expression.
+2052            copy (bool): if `False`, modify this expression instance in-place.
+2053            opts (kwargs): other options to use to parse the input expressions.
+2054
+2055        Returns:
+2056            Select: the modified expression.
+2057        """
+2058        return _apply_child_list_builder(
+2059            *expressions,
+2060            instance=self,
+2061            arg="sort",
+2062            append=append,
+2063            copy=copy,
+2064            prefix="SORT BY",
+2065            into=Sort,
+2066            dialect=dialect,
+2067            **opts,
+2068        )
+2069
+2070    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2071        """
+2072        Set the CLUSTER BY expression.
+2073
+2074        Example:
+2075            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
+2076            'SELECT x FROM tbl CLUSTER BY x DESC'
+2077
+2078        Args:
+2079            *expressions (str | Expression): the SQL code strings to parse.
+2080                If a `Group` instance is passed, this is used as-is.
+2081                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
+2082            append (bool): if `True`, add to any existing expressions.
+2083                Otherwise, this flattens all the `Order` expression into a single expression.
+2084            dialect (str): the dialect used to parse the input expression.
+2085            copy (bool): if `False`, modify this expression instance in-place.
+2086            opts (kwargs): other options to use to parse the input expressions.
+2087
+2088        Returns:
+2089            Select: the modified expression.
+2090        """
+2091        return _apply_child_list_builder(
+2092            *expressions,
+2093            instance=self,
+2094            arg="cluster",
+2095            append=append,
+2096            copy=copy,
+2097            prefix="CLUSTER BY",
+2098            into=Cluster,
+2099            dialect=dialect,
+2100            **opts,
+2101        )
+2102
+2103    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+2104        """
+2105        Set the LIMIT expression.
+2106
+2107        Example:
+2108            >>> Select().from_("tbl").select("x").limit(10).sql()
+2109            'SELECT x FROM tbl LIMIT 10'
+2110
+2111        Args:
+2112            expression (str | int | Expression): the SQL code string to parse.
+2113                This can also be an integer.
+2114                If a `Limit` instance is passed, this is used as-is.
+2115                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+2116            dialect (str): the dialect used to parse the input expression.
+2117            copy (bool): if `False`, modify this expression instance in-place.
+2118            opts (kwargs): other options to use to parse the input expressions.
+2119
+2120        Returns:
+2121            Select: the modified expression.
+2122        """
+2123        return _apply_builder(
+2124            expression=expression,
+2125            instance=self,
+2126            arg="limit",
+2127            into=Limit,
+2128            prefix="LIMIT",
+2129            dialect=dialect,
+2130            copy=copy,
+2131            **opts,
+2132        )
+2133
+2134    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
+2135        """
+2136        Set the OFFSET expression.
+2137
+2138        Example:
+2139            >>> Select().from_("tbl").select("x").offset(10).sql()
+2140            'SELECT x FROM tbl OFFSET 10'
+2141
+2142        Args:
+2143            expression (str | int | Expression): the SQL code string to parse.
+2144                This can also be an integer.
+2145                If a `Offset` instance is passed, this is used as-is.
+2146                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
+2147            dialect (str): the dialect used to parse the input expression.
+2148            copy (bool): if `False`, modify this expression instance in-place.
+2149            opts (kwargs): other options to use to parse the input expressions.
+2150
+2151        Returns:
+2152            Select: the modified expression.
+2153        """
+2154        return _apply_builder(
+2155            expression=expression,
+2156            instance=self,
+2157            arg="offset",
+2158            into=Offset,
+2159            prefix="OFFSET",
+2160            dialect=dialect,
+2161            copy=copy,
+2162            **opts,
+2163        )
+2164
+2165    def select(
+2166        self,
+2167        *expressions: str | Expression,
+2168        append: bool = True,
+2169        dialect: DialectType = None,
+2170        copy: bool = True,
+2171        **opts,
+2172    ) -> Select:
+2173        """
+2174        Append to or set the SELECT expressions.
+2175
+2176        Example:
+2177            >>> Select().select("x", "y").sql()
+2178            'SELECT x, y'
+2179
+2180        Args:
+2181            *expressions: the SQL code strings to parse.
+2182                If an `Expression` instance is passed, it will be used as-is.
+2183            append: if `True`, add to any existing expressions.
+2184                Otherwise, this resets the expressions.
+2185            dialect: the dialect used to parse the input expressions.
+2186            copy: if `False`, modify this expression instance in-place.
+2187            opts: other options to use to parse the input expressions.
 2188
-2189        Args:
-2190            *expressions (str | Expression): the SQL code strings to parse.
-2191                If an `Expression` instance is passed, it will be used as-is.
-2192            append (bool): if `True`, add to any existing expressions.
-2193                Otherwise, this resets the expressions.
-2194            dialect (str): the dialect used to parse the input expressions.
-2195            copy (bool): if `False`, modify this expression instance in-place.
-2196            opts (kwargs): other options to use to parse the input expressions.
-2197
-2198        Returns:
-2199            Select: the modified expression.
-2200        """
-2201        return _apply_list_builder(
-2202            *expressions,
-2203            instance=self,
-2204            arg="laterals",
-2205            append=append,
-2206            into=Lateral,
-2207            prefix="LATERAL VIEW",
-2208            dialect=dialect,
-2209            copy=copy,
-2210            **opts,
-2211        )
-2212
-2213    def join(
-2214        self,
-2215        expression,
-2216        on=None,
-2217        using=None,
-2218        append=True,
-2219        join_type=None,
-2220        join_alias=None,
-2221        dialect=None,
-2222        copy=True,
-2223        **opts,
-2224    ) -> Select:
-2225        """
-2226        Append to or set the JOIN expressions.
-2227
-2228        Example:
-2229            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
-2230            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
-2231
-2232            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
-2233            'SELECT 1 FROM a JOIN b USING (x, y, z)'
-2234
-2235            Use `join_type` to change the type of join:
-2236
-2237            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
-2238            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
-2239
-2240        Args:
-2241            expression (str | Expression): the SQL code string to parse.
-2242                If an `Expression` instance is passed, it will be used as-is.
-2243            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
-2244                If an `Expression` instance is passed, it will be used as-is.
-2245            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
-2246                If an `Expression` instance is passed, it will be used as-is.
-2247            append (bool): if `True`, add to any existing expressions.
-2248                Otherwise, this resets the expressions.
-2249            join_type (str): If set, alter the parsed join type
-2250            dialect (str): the dialect used to parse the input expressions.
-2251            copy (bool): if `False`, modify this expression instance in-place.
-2252            opts (kwargs): other options to use to parse the input expressions.
-2253
-2254        Returns:
-2255            Select: the modified expression.
-2256        """
-2257        parse_args = {"dialect": dialect, **opts}
-2258
-2259        try:
-2260            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
-2261        except ParseError:
-2262            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
-2263
-2264        join = expression if isinstance(expression, Join) else Join(this=expression)
-2265
-2266        if isinstance(join.this, Select):
-2267            join.this.replace(join.this.subquery())
-2268
-2269        if join_type:
-2270            natural: t.Optional[Token]
-2271            side: t.Optional[Token]
-2272            kind: t.Optional[Token]
-2273
-2274            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
-2275
-2276            if natural:
-2277                join.set("natural", True)
-2278            if side:
-2279                join.set("side", side.text)
-2280            if kind:
-2281                join.set("kind", kind.text)
-2282
-2283        if on:
-2284            on = and_(*ensure_collection(on), dialect=dialect, **opts)
-2285            join.set("on", on)
+2189        Returns:
+2190            Select: the modified expression.
+2191        """
+2192        return _apply_list_builder(
+2193            *expressions,
+2194            instance=self,
+2195            arg="expressions",
+2196            append=append,
+2197            dialect=dialect,
+2198            copy=copy,
+2199            **opts,
+2200        )
+2201
+2202    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2203        """
+2204        Append to or set the LATERAL expressions.
+2205
+2206        Example:
+2207            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
+2208            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
+2209
+2210        Args:
+2211            *expressions (str | Expression): the SQL code strings to parse.
+2212                If an `Expression` instance is passed, it will be used as-is.
+2213            append (bool): if `True`, add to any existing expressions.
+2214                Otherwise, this resets the expressions.
+2215            dialect (str): the dialect used to parse the input expressions.
+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_list_builder(
+2223            *expressions,
+2224            instance=self,
+2225            arg="laterals",
+2226            append=append,
+2227            into=Lateral,
+2228            prefix="LATERAL VIEW",
+2229            dialect=dialect,
+2230            copy=copy,
+2231            **opts,
+2232        )
+2233
+2234    def join(
+2235        self,
+2236        expression,
+2237        on=None,
+2238        using=None,
+2239        append=True,
+2240        join_type=None,
+2241        join_alias=None,
+2242        dialect=None,
+2243        copy=True,
+2244        **opts,
+2245    ) -> Select:
+2246        """
+2247        Append to or set the JOIN expressions.
+2248
+2249        Example:
+2250            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
+2251            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
+2252
+2253            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
+2254            'SELECT 1 FROM a JOIN b USING (x, y, z)'
+2255
+2256            Use `join_type` to change the type of join:
+2257
+2258            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
+2259            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
+2260
+2261        Args:
+2262            expression (str | Expression): the SQL code string to parse.
+2263                If an `Expression` instance is passed, it will be used as-is.
+2264            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
+2265                If an `Expression` instance is passed, it will be used as-is.
+2266            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
+2267                If an `Expression` instance is passed, it will be used as-is.
+2268            append (bool): if `True`, add to any existing expressions.
+2269                Otherwise, this resets the expressions.
+2270            join_type (str): If set, alter the parsed join type
+2271            dialect (str): the dialect used to parse the input expressions.
+2272            copy (bool): if `False`, modify this expression instance in-place.
+2273            opts (kwargs): other options to use to parse the input expressions.
+2274
+2275        Returns:
+2276            Select: the modified expression.
+2277        """
+2278        parse_args = {"dialect": dialect, **opts}
+2279
+2280        try:
+2281            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
+2282        except ParseError:
+2283            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
+2284
+2285        join = expression if isinstance(expression, Join) else Join(this=expression)
 2286
-2287        if using:
-2288            join = _apply_list_builder(
-2289                *ensure_collection(using),
-2290                instance=join,
-2291                arg="using",
-2292                append=append,
-2293                copy=copy,
-2294                **opts,
-2295            )
+2287        if isinstance(join.this, Select):
+2288            join.this.replace(join.this.subquery())
+2289
+2290        if join_type:
+2291            natural: t.Optional[Token]
+2292            side: t.Optional[Token]
+2293            kind: t.Optional[Token]
+2294
+2295            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
 2296
-2297        if join_alias:
-2298            join.set("this", alias_(join.this, join_alias, table=True))
-2299        return _apply_list_builder(
-2300            join,
-2301            instance=self,
-2302            arg="joins",
-2303            append=append,
-2304            copy=copy,
-2305            **opts,
-2306        )
+2297            if natural:
+2298                join.set("natural", True)
+2299            if side:
+2300                join.set("side", side.text)
+2301            if kind:
+2302                join.set("kind", kind.text)
+2303
+2304        if on:
+2305            on = and_(*ensure_collection(on), dialect=dialect, **opts)
+2306            join.set("on", on)
 2307
-2308    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2309        """
-2310        Append to or set the WHERE expressions.
-2311
-2312        Example:
-2313            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
-2314            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
-2315
-2316        Args:
-2317            *expressions (str | Expression): the SQL code strings to parse.
-2318                If an `Expression` instance is passed, it will be used as-is.
-2319                Multiple expressions are combined with an AND operator.
-2320            append (bool): if `True`, AND the new expressions to any existing expression.
-2321                Otherwise, this resets the expression.
-2322            dialect (str): the dialect used to parse the input expressions.
-2323            copy (bool): if `False`, modify this expression instance in-place.
-2324            opts (kwargs): other options to use to parse the input expressions.
-2325
-2326        Returns:
-2327            Select: the modified expression.
-2328        """
-2329        return _apply_conjunction_builder(
-2330            *expressions,
-2331            instance=self,
-2332            arg="where",
-2333            append=append,
-2334            into=Where,
-2335            dialect=dialect,
-2336            copy=copy,
-2337            **opts,
-2338        )
-2339
-2340    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2341        """
-2342        Append to or set the HAVING expressions.
-2343
-2344        Example:
-2345            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
-2346            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
-2347
-2348        Args:
-2349            *expressions (str | Expression): the SQL code strings to parse.
-2350                If an `Expression` instance is passed, it will be used as-is.
-2351                Multiple expressions are combined with an AND operator.
-2352            append (bool): if `True`, AND the new expressions to any existing expression.
-2353                Otherwise, this resets the expression.
-2354            dialect (str): the dialect used to parse the input expressions.
-2355            copy (bool): if `False`, modify this expression instance in-place.
-2356            opts (kwargs): other options to use to parse the input expressions.
-2357
-2358        Returns:
-2359            Select: the modified expression.
-2360        """
-2361        return _apply_conjunction_builder(
-2362            *expressions,
-2363            instance=self,
-2364            arg="having",
-2365            append=append,
-2366            into=Having,
-2367            dialect=dialect,
-2368            copy=copy,
-2369            **opts,
-2370        )
-2371
-2372    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2373        return _apply_list_builder(
-2374            *expressions,
-2375            instance=self,
-2376            arg="windows",
-2377            append=append,
-2378            into=Window,
-2379            dialect=dialect,
-2380            copy=copy,
-2381            **opts,
-2382        )
-2383
-2384    def distinct(self, distinct=True, copy=True) -> Select:
-2385        """
-2386        Set the OFFSET expression.
-2387
-2388        Example:
-2389            >>> Select().from_("tbl").select("x").distinct().sql()
-2390            'SELECT DISTINCT x FROM tbl'
-2391
-2392        Args:
-2393            distinct (bool): whether the Select should be distinct
-2394            copy (bool): if `False`, modify this expression instance in-place.
-2395
-2396        Returns:
-2397            Select: the modified expression.
-2398        """
-2399        instance = _maybe_copy(self, copy)
-2400        instance.set("distinct", Distinct() if distinct else None)
-2401        return instance
-2402
-2403    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
-2404        """
-2405        Convert this expression to a CREATE TABLE AS statement.
-2406
-2407        Example:
-2408            >>> Select().select("*").from_("tbl").ctas("x").sql()
-2409            'CREATE TABLE x AS SELECT * FROM tbl'
-2410
-2411        Args:
-2412            table (str | Expression): the SQL code string to parse as the table name.
-2413                If another `Expression` instance is passed, it will be used as-is.
-2414            properties (dict): an optional mapping of table properties
-2415            dialect (str): the dialect used to parse the input table.
-2416            copy (bool): if `False`, modify this expression instance in-place.
-2417            opts (kwargs): other options to use to parse the input table.
-2418
-2419        Returns:
-2420            Create: the CREATE TABLE AS expression
-2421        """
-2422        instance = _maybe_copy(self, copy)
-2423        table_expression = maybe_parse(
-2424            table,
-2425            into=Table,
-2426            dialect=dialect,
-2427            **opts,
-2428        )
-2429        properties_expression = None
-2430        if properties:
-2431            properties_expression = Properties.from_dict(properties)
-2432
-2433        return Create(
-2434            this=table_expression,
-2435            kind="table",
-2436            expression=instance,
-2437            properties=properties_expression,
-2438        )
+2308        if using:
+2309            join = _apply_list_builder(
+2310                *ensure_collection(using),
+2311                instance=join,
+2312                arg="using",
+2313                append=append,
+2314                copy=copy,
+2315                **opts,
+2316            )
+2317
+2318        if join_alias:
+2319            join.set("this", alias_(join.this, join_alias, table=True))
+2320        return _apply_list_builder(
+2321            join,
+2322            instance=self,
+2323            arg="joins",
+2324            append=append,
+2325            copy=copy,
+2326            **opts,
+2327        )
+2328
+2329    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2330        """
+2331        Append to or set the WHERE expressions.
+2332
+2333        Example:
+2334            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
+2335            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
+2336
+2337        Args:
+2338            *expressions (str | Expression): the SQL code strings to parse.
+2339                If an `Expression` instance is passed, it will be used as-is.
+2340                Multiple expressions are combined with an AND operator.
+2341            append (bool): if `True`, AND the new expressions to any existing expression.
+2342                Otherwise, this resets the expression.
+2343            dialect (str): the dialect used to parse the input expressions.
+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_conjunction_builder(
+2351            *expressions,
+2352            instance=self,
+2353            arg="where",
+2354            append=append,
+2355            into=Where,
+2356            dialect=dialect,
+2357            copy=copy,
+2358            **opts,
+2359        )
+2360
+2361    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2362        """
+2363        Append to or set the HAVING expressions.
+2364
+2365        Example:
+2366            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
+2367            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
+2368
+2369        Args:
+2370            *expressions (str | Expression): the SQL code strings to parse.
+2371                If an `Expression` instance is passed, it will be used as-is.
+2372                Multiple expressions are combined with an AND operator.
+2373            append (bool): if `True`, AND the new expressions to any existing expression.
+2374                Otherwise, this resets the expression.
+2375            dialect (str): the dialect used to parse the input expressions.
+2376            copy (bool): if `False`, modify this expression instance in-place.
+2377            opts (kwargs): other options to use to parse the input expressions.
+2378
+2379        Returns:
+2380            Select: the modified expression.
+2381        """
+2382        return _apply_conjunction_builder(
+2383            *expressions,
+2384            instance=self,
+2385            arg="having",
+2386            append=append,
+2387            into=Having,
+2388            dialect=dialect,
+2389            copy=copy,
+2390            **opts,
+2391        )
+2392
+2393    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2394        return _apply_list_builder(
+2395            *expressions,
+2396            instance=self,
+2397            arg="windows",
+2398            append=append,
+2399            into=Window,
+2400            dialect=dialect,
+2401            copy=copy,
+2402            **opts,
+2403        )
+2404
+2405    def distinct(self, distinct=True, copy=True) -> Select:
+2406        """
+2407        Set the OFFSET expression.
+2408
+2409        Example:
+2410            >>> Select().from_("tbl").select("x").distinct().sql()
+2411            'SELECT DISTINCT x FROM tbl'
+2412
+2413        Args:
+2414            distinct (bool): whether the Select should be distinct
+2415            copy (bool): if `False`, modify this expression instance in-place.
+2416
+2417        Returns:
+2418            Select: the modified expression.
+2419        """
+2420        instance = _maybe_copy(self, copy)
+2421        instance.set("distinct", Distinct() if distinct else None)
+2422        return instance
+2423
+2424    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
+2425        """
+2426        Convert this expression to a CREATE TABLE AS statement.
+2427
+2428        Example:
+2429            >>> Select().select("*").from_("tbl").ctas("x").sql()
+2430            'CREATE TABLE x AS SELECT * FROM tbl'
+2431
+2432        Args:
+2433            table (str | Expression): the SQL code string to parse as the table name.
+2434                If another `Expression` instance is passed, it will be used as-is.
+2435            properties (dict): an optional mapping of table properties
+2436            dialect (str): the dialect used to parse the input table.
+2437            copy (bool): if `False`, modify this expression instance in-place.
+2438            opts (kwargs): other options to use to parse the input table.
 2439
-2440    def lock(self, update: bool = True, copy: bool = True) -> Select:
-2441        """
-2442        Set the locking read mode for this expression.
-2443
-2444        Examples:
-2445            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
-2446            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
-2447
-2448            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
-2449            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
-2450
-2451        Args:
-2452            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
-2453            copy: if `False`, modify this expression instance in-place.
-2454
-2455        Returns:
-2456            The modified expression.
-2457        """
-2458
-2459        inst = _maybe_copy(self, copy)
-2460        inst.set("lock", Lock(update=update))
-2461
-2462        return inst
-2463
-2464    @property
-2465    def named_selects(self) -> t.List[str]:
-2466        return [e.output_name for e in self.expressions if e.alias_or_name]
-2467
-2468    @property
-2469    def is_star(self) -> bool:
-2470        return any(expression.is_star for expression in self.expressions)
+2440        Returns:
+2441            Create: the CREATE TABLE AS expression
+2442        """
+2443        instance = _maybe_copy(self, copy)
+2444        table_expression = maybe_parse(
+2445            table,
+2446            into=Table,
+2447            dialect=dialect,
+2448            **opts,
+2449        )
+2450        properties_expression = None
+2451        if properties:
+2452            properties_expression = Properties.from_dict(properties)
+2453
+2454        return Create(
+2455            this=table_expression,
+2456            kind="table",
+2457            expression=instance,
+2458            properties=properties_expression,
+2459        )
+2460
+2461    def lock(self, update: bool = True, copy: bool = True) -> Select:
+2462        """
+2463        Set the locking read mode for this expression.
+2464
+2465        Examples:
+2466            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
+2467            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
+2468
+2469            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
+2470            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
 2471
-2472    @property
-2473    def selects(self) -> t.List[Expression]:
-2474        return self.expressions
+2472        Args:
+2473            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
+2474            copy: if `False`, modify this expression instance in-place.
+2475
+2476        Returns:
+2477            The modified expression.
+2478        """
+2479
+2480        inst = _maybe_copy(self, copy)
+2481        inst.set("lock", Lock(update=update))
+2482
+2483        return inst
+2484
+2485    @property
+2486    def named_selects(self) -> t.List[str]:
+2487        return [e.output_name for e in self.expressions if e.alias_or_name]
+2488
+2489    @property
+2490    def is_star(self) -> bool:
+2491        return any(expression.is_star for expression in self.expressions)
+2492
+2493    @property
+2494    def selects(self) -> t.List[Expression]:
+2495        return self.expressions
 
    
 
 
@@ -20632,38 +21003,38 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    1914    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-1915        """
-1916        Set the FROM expression.
-1917
-1918        Example:
-1919            >>> Select().from_("tbl").select("x").sql()
-1920            'SELECT x FROM tbl'
-1921
-1922        Args:
-1923            *expressions (str | Expression): the SQL code strings to parse.
-1924                If a `From` instance is passed, this is used as-is.
-1925                If another `Expression` instance is passed, it will be wrapped in a `From`.
-1926            append (bool): if `True`, add to any existing expressions.
-1927                Otherwise, this flattens all the `From` expression into a single expression.
-1928            dialect (str): the dialect used to parse the input expression.
-1929            copy (bool): if `False`, modify this expression instance in-place.
-1930            opts (kwargs): other options to use to parse the input expressions.
-1931
-1932        Returns:
-1933            Select: the modified expression.
-1934        """
-1935        return _apply_child_list_builder(
-1936            *expressions,
-1937            instance=self,
-1938            arg="from",
-1939            append=append,
-1940            copy=copy,
-1941            prefix="FROM",
-1942            into=From,
-1943            dialect=dialect,
-1944            **opts,
-1945        )
+            
    1935    def from_(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+1936        """
+1937        Set the FROM expression.
+1938
+1939        Example:
+1940            >>> Select().from_("tbl").select("x").sql()
+1941            'SELECT x FROM tbl'
+1942
+1943        Args:
+1944            *expressions (str | Expression): the SQL code strings to parse.
+1945                If a `From` instance is passed, this is used as-is.
+1946                If another `Expression` instance is passed, it will be wrapped in a `From`.
+1947            append (bool): if `True`, add to any existing expressions.
+1948                Otherwise, this flattens all the `From` expression into a single expression.
+1949            dialect (str): the dialect used to parse the input expression.
+1950            copy (bool): if `False`, modify this expression instance in-place.
+1951            opts (kwargs): other options to use to parse the input expressions.
+1952
+1953        Returns:
+1954            Select: the modified expression.
+1955        """
+1956        return _apply_child_list_builder(
+1957            *expressions,
+1958            instance=self,
+1959            arg="from",
+1960            append=append,
+1961            copy=copy,
+1962            prefix="FROM",
+1963            into=From,
+1964            dialect=dialect,
+1965            **opts,
+1966        )
 
    
 
 
@@ -20712,41 +21083,41 @@ Otherwise, this flattens all the From expressio
 
     
    
     
-            
    1947    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-1948        """
-1949        Set the GROUP BY expression.
-1950
-1951        Example:
-1952            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
-1953            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
-1954
-1955        Args:
-1956            *expressions (str | Expression): the SQL code strings to parse.
-1957                If a `Group` instance is passed, this is used as-is.
-1958                If another `Expression` instance is passed, it will be wrapped in a `Group`.
-1959                If nothing is passed in then a group by is not applied to the expression
-1960            append (bool): if `True`, add to any existing expressions.
-1961                Otherwise, this flattens all the `Group` expression into a single expression.
-1962            dialect (str): the dialect used to parse the input expression.
-1963            copy (bool): if `False`, modify this expression instance in-place.
-1964            opts (kwargs): other options to use to parse the input expressions.
-1965
-1966        Returns:
-1967            Select: the modified expression.
-1968        """
-1969        if not expressions:
-1970            return self if not copy else self.copy()
-1971        return _apply_child_list_builder(
-1972            *expressions,
-1973            instance=self,
-1974            arg="group",
-1975            append=append,
-1976            copy=copy,
-1977            prefix="GROUP BY",
-1978            into=Group,
-1979            dialect=dialect,
-1980            **opts,
-1981        )
+            
    1968    def group_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+1969        """
+1970        Set the GROUP BY expression.
+1971
+1972        Example:
+1973            >>> Select().from_("tbl").select("x", "COUNT(1)").group_by("x").sql()
+1974            'SELECT x, COUNT(1) FROM tbl GROUP BY x'
+1975
+1976        Args:
+1977            *expressions (str | Expression): the SQL code strings to parse.
+1978                If a `Group` instance is passed, this is used as-is.
+1979                If another `Expression` instance is passed, it will be wrapped in a `Group`.
+1980                If nothing is passed in then a group by is not applied to the expression
+1981            append (bool): if `True`, add to any existing expressions.
+1982                Otherwise, this flattens all the `Group` expression into a single expression.
+1983            dialect (str): the dialect used to parse the input expression.
+1984            copy (bool): if `False`, modify this expression instance in-place.
+1985            opts (kwargs): other options to use to parse the input expressions.
+1986
+1987        Returns:
+1988            Select: the modified expression.
+1989        """
+1990        if not expressions:
+1991            return self if not copy else self.copy()
+1992        return _apply_child_list_builder(
+1993            *expressions,
+1994            instance=self,
+1995            arg="group",
+1996            append=append,
+1997            copy=copy,
+1998            prefix="GROUP BY",
+1999            into=Group,
+2000            dialect=dialect,
+2001            **opts,
+2002        )
 
    
 
 
@@ -20796,38 +21167,38 @@ Otherwise, this flattens all the Group express
 
     
    
     
-            
    1983    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-1984        """
-1985        Set the ORDER BY expression.
-1986
-1987        Example:
-1988            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
-1989            'SELECT x FROM tbl ORDER BY x DESC'
-1990
-1991        Args:
-1992            *expressions (str | Expression): the SQL code strings to parse.
-1993                If a `Group` instance is passed, this is used as-is.
-1994                If another `Expression` instance is passed, it will be wrapped in a `Order`.
-1995            append (bool): if `True`, add to any existing expressions.
-1996                Otherwise, this flattens all the `Order` expression into a single expression.
-1997            dialect (str): the dialect used to parse the input expression.
-1998            copy (bool): if `False`, modify this expression instance in-place.
-1999            opts (kwargs): other options to use to parse the input expressions.
-2000
-2001        Returns:
-2002            Select: the modified expression.
-2003        """
-2004        return _apply_child_list_builder(
-2005            *expressions,
-2006            instance=self,
-2007            arg="order",
-2008            append=append,
-2009            copy=copy,
-2010            prefix="ORDER BY",
-2011            into=Order,
-2012            dialect=dialect,
-2013            **opts,
-2014        )
+            
    2004    def order_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2005        """
+2006        Set the ORDER BY expression.
+2007
+2008        Example:
+2009            >>> Select().from_("tbl").select("x").order_by("x DESC").sql()
+2010            'SELECT x FROM tbl ORDER BY x DESC'
+2011
+2012        Args:
+2013            *expressions (str | Expression): the SQL code strings to parse.
+2014                If a `Group` instance is passed, this is used as-is.
+2015                If another `Expression` instance is passed, it will be wrapped in a `Order`.
+2016            append (bool): if `True`, add to any existing expressions.
+2017                Otherwise, this flattens all the `Order` expression into a single expression.
+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        return _apply_child_list_builder(
+2026            *expressions,
+2027            instance=self,
+2028            arg="order",
+2029            append=append,
+2030            copy=copy,
+2031            prefix="ORDER BY",
+2032            into=Order,
+2033            dialect=dialect,
+2034            **opts,
+2035        )
 
    
 
 
@@ -20876,38 +21247,38 @@ Otherwise, this flattens all the Order express
 
     
    
     
-            
    2016    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2017        """
-2018        Set the SORT BY expression.
-2019
-2020        Example:
-2021            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
-2022            'SELECT x FROM tbl SORT BY x DESC'
-2023
-2024        Args:
-2025            *expressions (str | Expression): the SQL code strings to parse.
-2026                If a `Group` instance is passed, this is used as-is.
-2027                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
-2028            append (bool): if `True`, add to any existing expressions.
-2029                Otherwise, this flattens all the `Order` expression into a single expression.
-2030            dialect (str): the dialect used to parse the input expression.
-2031            copy (bool): if `False`, modify this expression instance in-place.
-2032            opts (kwargs): other options to use to parse the input expressions.
-2033
-2034        Returns:
-2035            Select: the modified expression.
-2036        """
-2037        return _apply_child_list_builder(
-2038            *expressions,
-2039            instance=self,
-2040            arg="sort",
-2041            append=append,
-2042            copy=copy,
-2043            prefix="SORT BY",
-2044            into=Sort,
-2045            dialect=dialect,
-2046            **opts,
-2047        )
+            
    2037    def sort_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2038        """
+2039        Set the SORT BY expression.
+2040
+2041        Example:
+2042            >>> Select().from_("tbl").select("x").sort_by("x DESC").sql()
+2043            'SELECT x FROM tbl SORT BY x DESC'
+2044
+2045        Args:
+2046            *expressions (str | Expression): the SQL code strings to parse.
+2047                If a `Group` instance is passed, this is used as-is.
+2048                If another `Expression` instance is passed, it will be wrapped in a `SORT`.
+2049            append (bool): if `True`, add to any existing expressions.
+2050                Otherwise, this flattens all the `Order` expression into a single expression.
+2051            dialect (str): the dialect used to parse the input expression.
+2052            copy (bool): if `False`, modify this expression instance in-place.
+2053            opts (kwargs): other options to use to parse the input expressions.
+2054
+2055        Returns:
+2056            Select: the modified expression.
+2057        """
+2058        return _apply_child_list_builder(
+2059            *expressions,
+2060            instance=self,
+2061            arg="sort",
+2062            append=append,
+2063            copy=copy,
+2064            prefix="SORT BY",
+2065            into=Sort,
+2066            dialect=dialect,
+2067            **opts,
+2068        )
 
    
 
 
@@ -20956,38 +21327,38 @@ Otherwise, this flattens all the Order express
 
     
    
     
-            
    2049    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2050        """
-2051        Set the CLUSTER BY expression.
-2052
-2053        Example:
-2054            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
-2055            'SELECT x FROM tbl CLUSTER BY x DESC'
-2056
-2057        Args:
-2058            *expressions (str | Expression): the SQL code strings to parse.
-2059                If a `Group` instance is passed, this is used as-is.
-2060                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
-2061            append (bool): if `True`, add to any existing expressions.
-2062                Otherwise, this flattens all the `Order` expression into a single expression.
-2063            dialect (str): the dialect used to parse the input expression.
-2064            copy (bool): if `False`, modify this expression instance in-place.
-2065            opts (kwargs): other options to use to parse the input expressions.
-2066
-2067        Returns:
-2068            Select: the modified expression.
-2069        """
-2070        return _apply_child_list_builder(
-2071            *expressions,
-2072            instance=self,
-2073            arg="cluster",
-2074            append=append,
-2075            copy=copy,
-2076            prefix="CLUSTER BY",
-2077            into=Cluster,
-2078            dialect=dialect,
-2079            **opts,
-2080        )
+            
    2070    def cluster_by(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2071        """
+2072        Set the CLUSTER BY expression.
+2073
+2074        Example:
+2075            >>> Select().from_("tbl").select("x").cluster_by("x DESC").sql()
+2076            'SELECT x FROM tbl CLUSTER BY x DESC'
+2077
+2078        Args:
+2079            *expressions (str | Expression): the SQL code strings to parse.
+2080                If a `Group` instance is passed, this is used as-is.
+2081                If another `Expression` instance is passed, it will be wrapped in a `Cluster`.
+2082            append (bool): if `True`, add to any existing expressions.
+2083                Otherwise, this flattens all the `Order` expression into a single expression.
+2084            dialect (str): the dialect used to parse the input expression.
+2085            copy (bool): if `False`, modify this expression instance in-place.
+2086            opts (kwargs): other options to use to parse the input expressions.
+2087
+2088        Returns:
+2089            Select: the modified expression.
+2090        """
+2091        return _apply_child_list_builder(
+2092            *expressions,
+2093            instance=self,
+2094            arg="cluster",
+2095            append=append,
+2096            copy=copy,
+2097            prefix="CLUSTER BY",
+2098            into=Cluster,
+2099            dialect=dialect,
+2100            **opts,
+2101        )
 
    
 
 
@@ -21036,36 +21407,36 @@ Otherwise, this flattens all the Order express
 
     
    
     
-            
    2082    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
-2083        """
-2084        Set the LIMIT expression.
-2085
-2086        Example:
-2087            >>> Select().from_("tbl").select("x").limit(10).sql()
-2088            'SELECT x FROM tbl LIMIT 10'
-2089
-2090        Args:
-2091            expression (str | int | Expression): the SQL code string to parse.
-2092                This can also be an integer.
-2093                If a `Limit` instance is passed, this is used as-is.
-2094                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
-2095            dialect (str): the dialect used to parse the input expression.
-2096            copy (bool): if `False`, modify this expression instance in-place.
-2097            opts (kwargs): other options to use to parse the input expressions.
-2098
-2099        Returns:
-2100            Select: the modified expression.
-2101        """
-2102        return _apply_builder(
-2103            expression=expression,
-2104            instance=self,
-2105            arg="limit",
-2106            into=Limit,
-2107            prefix="LIMIT",
-2108            dialect=dialect,
-2109            copy=copy,
-2110            **opts,
-2111        )
+            
    2103    def limit(self, expression, dialect=None, copy=True, **opts) -> Select:
+2104        """
+2105        Set the LIMIT expression.
+2106
+2107        Example:
+2108            >>> Select().from_("tbl").select("x").limit(10).sql()
+2109            'SELECT x FROM tbl LIMIT 10'
+2110
+2111        Args:
+2112            expression (str | int | Expression): the SQL code string to parse.
+2113                This can also be an integer.
+2114                If a `Limit` instance is passed, this is used as-is.
+2115                If another `Expression` instance is passed, it will be wrapped in a `Limit`.
+2116            dialect (str): the dialect used to parse the input expression.
+2117            copy (bool): if `False`, modify this expression instance in-place.
+2118            opts (kwargs): other options to use to parse the input expressions.
+2119
+2120        Returns:
+2121            Select: the modified expression.
+2122        """
+2123        return _apply_builder(
+2124            expression=expression,
+2125            instance=self,
+2126            arg="limit",
+2127            into=Limit,
+2128            prefix="LIMIT",
+2129            dialect=dialect,
+2130            copy=copy,
+2131            **opts,
+2132        )
 
    
 
 
@@ -21113,36 +21484,36 @@ If another Expression instance is passed,
 
     
    
     
-            
    2113    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
-2114        """
-2115        Set the OFFSET expression.
-2116
-2117        Example:
-2118            >>> Select().from_("tbl").select("x").offset(10).sql()
-2119            'SELECT x FROM tbl OFFSET 10'
-2120
-2121        Args:
-2122            expression (str | int | Expression): the SQL code string to parse.
-2123                This can also be an integer.
-2124                If a `Offset` instance is passed, this is used as-is.
-2125                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
-2126            dialect (str): the dialect used to parse the input expression.
-2127            copy (bool): if `False`, modify this expression instance in-place.
-2128            opts (kwargs): other options to use to parse the input expressions.
-2129
-2130        Returns:
-2131            Select: the modified expression.
-2132        """
-2133        return _apply_builder(
-2134            expression=expression,
-2135            instance=self,
-2136            arg="offset",
-2137            into=Offset,
-2138            prefix="OFFSET",
-2139            dialect=dialect,
-2140            copy=copy,
-2141            **opts,
-2142        )
+            
    2134    def offset(self, expression, dialect=None, copy=True, **opts) -> Select:
+2135        """
+2136        Set the OFFSET expression.
+2137
+2138        Example:
+2139            >>> Select().from_("tbl").select("x").offset(10).sql()
+2140            'SELECT x FROM tbl OFFSET 10'
+2141
+2142        Args:
+2143            expression (str | int | Expression): the SQL code string to parse.
+2144                This can also be an integer.
+2145                If a `Offset` instance is passed, this is used as-is.
+2146                If another `Expression` instance is passed, it will be wrapped in a `Offset`.
+2147            dialect (str): the dialect used to parse the input expression.
+2148            copy (bool): if `False`, modify this expression instance in-place.
+2149            opts (kwargs): other options to use to parse the input expressions.
+2150
+2151        Returns:
+2152            Select: the modified expression.
+2153        """
+2154        return _apply_builder(
+2155            expression=expression,
+2156            instance=self,
+2157            arg="offset",
+2158            into=Offset,
+2159            prefix="OFFSET",
+2160            dialect=dialect,
+2161            copy=copy,
+2162            **opts,
+2163        )
 
    
 
 
@@ -21190,42 +21561,42 @@ If another Expression instance is passed,
 
     
    
     
-            
    2144    def select(
-2145        self,
-2146        *expressions: str | Expression,
-2147        append: bool = True,
-2148        dialect: DialectType = None,
-2149        copy: bool = True,
-2150        **opts,
-2151    ) -> Select:
-2152        """
-2153        Append to or set the SELECT expressions.
-2154
-2155        Example:
-2156            >>> Select().select("x", "y").sql()
-2157            'SELECT x, y'
-2158
-2159        Args:
-2160            *expressions: the SQL code strings to parse.
-2161                If an `Expression` instance is passed, it will be used as-is.
-2162            append: if `True`, add to any existing expressions.
-2163                Otherwise, this resets the expressions.
-2164            dialect: the dialect used to parse the input expressions.
-2165            copy: if `False`, modify this expression instance in-place.
-2166            opts: other options to use to parse the input expressions.
-2167
-2168        Returns:
-2169            Select: the modified expression.
-2170        """
-2171        return _apply_list_builder(
-2172            *expressions,
-2173            instance=self,
-2174            arg="expressions",
-2175            append=append,
-2176            dialect=dialect,
-2177            copy=copy,
-2178            **opts,
-2179        )
+            
    2165    def select(
+2166        self,
+2167        *expressions: str | Expression,
+2168        append: bool = True,
+2169        dialect: DialectType = None,
+2170        copy: bool = True,
+2171        **opts,
+2172    ) -> Select:
+2173        """
+2174        Append to or set the SELECT expressions.
+2175
+2176        Example:
+2177            >>> Select().select("x", "y").sql()
+2178            'SELECT x, y'
+2179
+2180        Args:
+2181            *expressions: the SQL code strings to parse.
+2182                If an `Expression` instance is passed, it will be used as-is.
+2183            append: if `True`, add to any existing expressions.
+2184                Otherwise, this resets the expressions.
+2185            dialect: the dialect used to parse the input expressions.
+2186            copy: if `False`, modify this expression instance in-place.
+2187            opts: other options to use to parse the input expressions.
+2188
+2189        Returns:
+2190            Select: the modified expression.
+2191        """
+2192        return _apply_list_builder(
+2193            *expressions,
+2194            instance=self,
+2195            arg="expressions",
+2196            append=append,
+2197            dialect=dialect,
+2198            copy=copy,
+2199            **opts,
+2200        )
 
    
 
 
@@ -21273,37 +21644,37 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    2181    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2182        """
-2183        Append to or set the LATERAL expressions.
-2184
-2185        Example:
-2186            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
-2187            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
-2188
-2189        Args:
-2190            *expressions (str | Expression): the SQL code strings to parse.
-2191                If an `Expression` instance is passed, it will be used as-is.
-2192            append (bool): if `True`, add to any existing expressions.
-2193                Otherwise, this resets the expressions.
-2194            dialect (str): the dialect used to parse the input expressions.
-2195            copy (bool): if `False`, modify this expression instance in-place.
-2196            opts (kwargs): other options to use to parse the input expressions.
-2197
-2198        Returns:
-2199            Select: the modified expression.
-2200        """
-2201        return _apply_list_builder(
-2202            *expressions,
-2203            instance=self,
-2204            arg="laterals",
-2205            append=append,
-2206            into=Lateral,
-2207            prefix="LATERAL VIEW",
-2208            dialect=dialect,
-2209            copy=copy,
-2210            **opts,
-2211        )
+            
    2202    def lateral(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2203        """
+2204        Append to or set the LATERAL expressions.
+2205
+2206        Example:
+2207            >>> Select().select("x").lateral("OUTER explode(y) tbl2 AS z").from_("tbl").sql()
+2208            'SELECT x FROM tbl LATERAL VIEW OUTER EXPLODE(y) tbl2 AS z'
+2209
+2210        Args:
+2211            *expressions (str | Expression): the SQL code strings to parse.
+2212                If an `Expression` instance is passed, it will be used as-is.
+2213            append (bool): if `True`, add to any existing expressions.
+2214                Otherwise, this resets the expressions.
+2215            dialect (str): the dialect used to parse the input expressions.
+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_list_builder(
+2223            *expressions,
+2224            instance=self,
+2225            arg="laterals",
+2226            append=append,
+2227            into=Lateral,
+2228            prefix="LATERAL VIEW",
+2229            dialect=dialect,
+2230            copy=copy,
+2231            **opts,
+2232        )
 
    
 
 
@@ -21351,100 +21722,100 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    2213    def join(
-2214        self,
-2215        expression,
-2216        on=None,
-2217        using=None,
-2218        append=True,
-2219        join_type=None,
-2220        join_alias=None,
-2221        dialect=None,
-2222        copy=True,
-2223        **opts,
-2224    ) -> Select:
-2225        """
-2226        Append to or set the JOIN expressions.
-2227
-2228        Example:
-2229            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
-2230            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
-2231
-2232            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
-2233            'SELECT 1 FROM a JOIN b USING (x, y, z)'
-2234
-2235            Use `join_type` to change the type of join:
-2236
-2237            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
-2238            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
-2239
-2240        Args:
-2241            expression (str | Expression): the SQL code string to parse.
-2242                If an `Expression` instance is passed, it will be used as-is.
-2243            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
-2244                If an `Expression` instance is passed, it will be used as-is.
-2245            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
-2246                If an `Expression` instance is passed, it will be used as-is.
-2247            append (bool): if `True`, add to any existing expressions.
-2248                Otherwise, this resets the expressions.
-2249            join_type (str): If set, alter the parsed join type
-2250            dialect (str): the dialect used to parse the input expressions.
-2251            copy (bool): if `False`, modify this expression instance in-place.
-2252            opts (kwargs): other options to use to parse the input expressions.
-2253
-2254        Returns:
-2255            Select: the modified expression.
-2256        """
-2257        parse_args = {"dialect": dialect, **opts}
-2258
-2259        try:
-2260            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
-2261        except ParseError:
-2262            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
-2263
-2264        join = expression if isinstance(expression, Join) else Join(this=expression)
-2265
-2266        if isinstance(join.this, Select):
-2267            join.this.replace(join.this.subquery())
-2268
-2269        if join_type:
-2270            natural: t.Optional[Token]
-2271            side: t.Optional[Token]
-2272            kind: t.Optional[Token]
-2273
-2274            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
-2275
-2276            if natural:
-2277                join.set("natural", True)
-2278            if side:
-2279                join.set("side", side.text)
-2280            if kind:
-2281                join.set("kind", kind.text)
-2282
-2283        if on:
-2284            on = and_(*ensure_collection(on), dialect=dialect, **opts)
-2285            join.set("on", on)
+            
    2234    def join(
+2235        self,
+2236        expression,
+2237        on=None,
+2238        using=None,
+2239        append=True,
+2240        join_type=None,
+2241        join_alias=None,
+2242        dialect=None,
+2243        copy=True,
+2244        **opts,
+2245    ) -> Select:
+2246        """
+2247        Append to or set the JOIN expressions.
+2248
+2249        Example:
+2250            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y").sql()
+2251            'SELECT * FROM tbl JOIN tbl2 ON tbl1.y = tbl2.y'
+2252
+2253            >>> Select().select("1").from_("a").join("b", using=["x", "y", "z"]).sql()
+2254            'SELECT 1 FROM a JOIN b USING (x, y, z)'
+2255
+2256            Use `join_type` to change the type of join:
+2257
+2258            >>> Select().select("*").from_("tbl").join("tbl2", on="tbl1.y = tbl2.y", join_type="left outer").sql()
+2259            'SELECT * FROM tbl LEFT OUTER JOIN tbl2 ON tbl1.y = tbl2.y'
+2260
+2261        Args:
+2262            expression (str | Expression): the SQL code string to parse.
+2263                If an `Expression` instance is passed, it will be used as-is.
+2264            on (str | Expression): optionally specify the join "on" criteria as a SQL string.
+2265                If an `Expression` instance is passed, it will be used as-is.
+2266            using (str | Expression): optionally specify the join "using" criteria as a SQL string.
+2267                If an `Expression` instance is passed, it will be used as-is.
+2268            append (bool): if `True`, add to any existing expressions.
+2269                Otherwise, this resets the expressions.
+2270            join_type (str): If set, alter the parsed join type
+2271            dialect (str): the dialect used to parse the input expressions.
+2272            copy (bool): if `False`, modify this expression instance in-place.
+2273            opts (kwargs): other options to use to parse the input expressions.
+2274
+2275        Returns:
+2276            Select: the modified expression.
+2277        """
+2278        parse_args = {"dialect": dialect, **opts}
+2279
+2280        try:
+2281            expression = maybe_parse(expression, into=Join, prefix="JOIN", **parse_args)
+2282        except ParseError:
+2283            expression = maybe_parse(expression, into=(Join, Expression), **parse_args)
+2284
+2285        join = expression if isinstance(expression, Join) else Join(this=expression)
 2286
-2287        if using:
-2288            join = _apply_list_builder(
-2289                *ensure_collection(using),
-2290                instance=join,
-2291                arg="using",
-2292                append=append,
-2293                copy=copy,
-2294                **opts,
-2295            )
+2287        if isinstance(join.this, Select):
+2288            join.this.replace(join.this.subquery())
+2289
+2290        if join_type:
+2291            natural: t.Optional[Token]
+2292            side: t.Optional[Token]
+2293            kind: t.Optional[Token]
+2294
+2295            natural, side, kind = maybe_parse(join_type, into="JOIN_TYPE", **parse_args)  # type: ignore
 2296
-2297        if join_alias:
-2298            join.set("this", alias_(join.this, join_alias, table=True))
-2299        return _apply_list_builder(
-2300            join,
-2301            instance=self,
-2302            arg="joins",
-2303            append=append,
-2304            copy=copy,
-2305            **opts,
-2306        )
+2297            if natural:
+2298                join.set("natural", True)
+2299            if side:
+2300                join.set("side", side.text)
+2301            if kind:
+2302                join.set("kind", kind.text)
+2303
+2304        if on:
+2305            on = and_(*ensure_collection(on), dialect=dialect, **opts)
+2306            join.set("on", on)
+2307
+2308        if using:
+2309            join = _apply_list_builder(
+2310                *ensure_collection(using),
+2311                instance=join,
+2312                arg="using",
+2313                append=append,
+2314                copy=copy,
+2315                **opts,
+2316            )
+2317
+2318        if join_alias:
+2319            join.set("this", alias_(join.this, join_alias, table=True))
+2320        return _apply_list_builder(
+2321            join,
+2322            instance=self,
+2323            arg="joins",
+2324            append=append,
+2325            copy=copy,
+2326            **opts,
+2327        )
 
    
 
 
@@ -21511,37 +21882,37 @@ Otherwise, this resets the expressions.
 
     
    
     
-            
    2308    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2309        """
-2310        Append to or set the WHERE expressions.
-2311
-2312        Example:
-2313            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
-2314            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
-2315
-2316        Args:
-2317            *expressions (str | Expression): the SQL code strings to parse.
-2318                If an `Expression` instance is passed, it will be used as-is.
-2319                Multiple expressions are combined with an AND operator.
-2320            append (bool): if `True`, AND the new expressions to any existing expression.
-2321                Otherwise, this resets the expression.
-2322            dialect (str): the dialect used to parse the input expressions.
-2323            copy (bool): if `False`, modify this expression instance in-place.
-2324            opts (kwargs): other options to use to parse the input expressions.
-2325
-2326        Returns:
-2327            Select: the modified expression.
-2328        """
-2329        return _apply_conjunction_builder(
-2330            *expressions,
-2331            instance=self,
-2332            arg="where",
-2333            append=append,
-2334            into=Where,
-2335            dialect=dialect,
-2336            copy=copy,
-2337            **opts,
-2338        )
+            
    2329    def where(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2330        """
+2331        Append to or set the WHERE expressions.
+2332
+2333        Example:
+2334            >>> Select().select("x").from_("tbl").where("x = 'a' OR x < 'b'").sql()
+2335            "SELECT x FROM tbl WHERE x = 'a' OR x < 'b'"
+2336
+2337        Args:
+2338            *expressions (str | Expression): the SQL code strings to parse.
+2339                If an `Expression` instance is passed, it will be used as-is.
+2340                Multiple expressions are combined with an AND operator.
+2341            append (bool): if `True`, AND the new expressions to any existing expression.
+2342                Otherwise, this resets the expression.
+2343            dialect (str): the dialect used to parse the input expressions.
+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_conjunction_builder(
+2351            *expressions,
+2352            instance=self,
+2353            arg="where",
+2354            append=append,
+2355            into=Where,
+2356            dialect=dialect,
+2357            copy=copy,
+2358            **opts,
+2359        )
 
    
 
 
@@ -21590,37 +21961,37 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    2340    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2341        """
-2342        Append to or set the HAVING expressions.
-2343
-2344        Example:
-2345            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
-2346            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
-2347
-2348        Args:
-2349            *expressions (str | Expression): the SQL code strings to parse.
-2350                If an `Expression` instance is passed, it will be used as-is.
-2351                Multiple expressions are combined with an AND operator.
-2352            append (bool): if `True`, AND the new expressions to any existing expression.
-2353                Otherwise, this resets the expression.
-2354            dialect (str): the dialect used to parse the input expressions.
-2355            copy (bool): if `False`, modify this expression instance in-place.
-2356            opts (kwargs): other options to use to parse the input expressions.
-2357
-2358        Returns:
-2359            Select: the modified expression.
-2360        """
-2361        return _apply_conjunction_builder(
-2362            *expressions,
-2363            instance=self,
-2364            arg="having",
-2365            append=append,
-2366            into=Having,
-2367            dialect=dialect,
-2368            copy=copy,
-2369            **opts,
-2370        )
+            
    2361    def having(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2362        """
+2363        Append to or set the HAVING expressions.
+2364
+2365        Example:
+2366            >>> Select().select("x", "COUNT(y)").from_("tbl").group_by("x").having("COUNT(y) > 3").sql()
+2367            'SELECT x, COUNT(y) FROM tbl GROUP BY x HAVING COUNT(y) > 3'
+2368
+2369        Args:
+2370            *expressions (str | Expression): the SQL code strings to parse.
+2371                If an `Expression` instance is passed, it will be used as-is.
+2372                Multiple expressions are combined with an AND operator.
+2373            append (bool): if `True`, AND the new expressions to any existing expression.
+2374                Otherwise, this resets the expression.
+2375            dialect (str): the dialect used to parse the input expressions.
+2376            copy (bool): if `False`, modify this expression instance in-place.
+2377            opts (kwargs): other options to use to parse the input expressions.
+2378
+2379        Returns:
+2380            Select: the modified expression.
+2381        """
+2382        return _apply_conjunction_builder(
+2383            *expressions,
+2384            instance=self,
+2385            arg="having",
+2386            append=append,
+2387            into=Having,
+2388            dialect=dialect,
+2389            copy=copy,
+2390            **opts,
+2391        )
 
    
 
 
@@ -21669,17 +22040,17 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    2372    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
-2373        return _apply_list_builder(
-2374            *expressions,
-2375            instance=self,
-2376            arg="windows",
-2377            append=append,
-2378            into=Window,
-2379            dialect=dialect,
-2380            copy=copy,
-2381            **opts,
-2382        )
+            
    2393    def window(self, *expressions, append=True, dialect=None, copy=True, **opts) -> Select:
+2394        return _apply_list_builder(
+2395            *expressions,
+2396            instance=self,
+2397            arg="windows",
+2398            append=append,
+2399            into=Window,
+2400            dialect=dialect,
+2401            copy=copy,
+2402            **opts,
+2403        )
 
    
 
 
@@ -21697,24 +22068,24 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    2384    def distinct(self, distinct=True, copy=True) -> Select:
-2385        """
-2386        Set the OFFSET expression.
-2387
-2388        Example:
-2389            >>> Select().from_("tbl").select("x").distinct().sql()
-2390            'SELECT DISTINCT x FROM tbl'
-2391
-2392        Args:
-2393            distinct (bool): whether the Select should be distinct
-2394            copy (bool): if `False`, modify this expression instance in-place.
-2395
-2396        Returns:
-2397            Select: the modified expression.
-2398        """
-2399        instance = _maybe_copy(self, copy)
-2400        instance.set("distinct", Distinct() if distinct else None)
-2401        return instance
+            
    2405    def distinct(self, distinct=True, copy=True) -> Select:
+2406        """
+2407        Set the OFFSET expression.
+2408
+2409        Example:
+2410            >>> Select().from_("tbl").select("x").distinct().sql()
+2411            'SELECT DISTINCT x FROM tbl'
+2412
+2413        Args:
+2414            distinct (bool): whether the Select should be distinct
+2415            copy (bool): if `False`, modify this expression instance in-place.
+2416
+2417        Returns:
+2418            Select: the modified expression.
+2419        """
+2420        instance = _maybe_copy(self, copy)
+2421        instance.set("distinct", Distinct() if distinct else None)
+2422        return instance
 
    
 
 
@@ -21757,42 +22128,42 @@ Otherwise, this resets the expression.
 
     
    
     
-            
    2403    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
-2404        """
-2405        Convert this expression to a CREATE TABLE AS statement.
-2406
-2407        Example:
-2408            >>> Select().select("*").from_("tbl").ctas("x").sql()
-2409            'CREATE TABLE x AS SELECT * FROM tbl'
-2410
-2411        Args:
-2412            table (str | Expression): the SQL code string to parse as the table name.
-2413                If another `Expression` instance is passed, it will be used as-is.
-2414            properties (dict): an optional mapping of table properties
-2415            dialect (str): the dialect used to parse the input table.
-2416            copy (bool): if `False`, modify this expression instance in-place.
-2417            opts (kwargs): other options to use to parse the input table.
-2418
-2419        Returns:
-2420            Create: the CREATE TABLE AS expression
-2421        """
-2422        instance = _maybe_copy(self, copy)
-2423        table_expression = maybe_parse(
-2424            table,
-2425            into=Table,
-2426            dialect=dialect,
-2427            **opts,
-2428        )
-2429        properties_expression = None
-2430        if properties:
-2431            properties_expression = Properties.from_dict(properties)
-2432
-2433        return Create(
-2434            this=table_expression,
-2435            kind="table",
-2436            expression=instance,
-2437            properties=properties_expression,
-2438        )
+            
    2424    def ctas(self, table, properties=None, dialect=None, copy=True, **opts) -> Create:
+2425        """
+2426        Convert this expression to a CREATE TABLE AS statement.
+2427
+2428        Example:
+2429            >>> Select().select("*").from_("tbl").ctas("x").sql()
+2430            'CREATE TABLE x AS SELECT * FROM tbl'
+2431
+2432        Args:
+2433            table (str | Expression): the SQL code string to parse as the table name.
+2434                If another `Expression` instance is passed, it will be used as-is.
+2435            properties (dict): an optional mapping of table properties
+2436            dialect (str): the dialect used to parse the input table.
+2437            copy (bool): if `False`, modify this expression instance in-place.
+2438            opts (kwargs): other options to use to parse the input table.
+2439
+2440        Returns:
+2441            Create: the CREATE TABLE AS expression
+2442        """
+2443        instance = _maybe_copy(self, copy)
+2444        table_expression = maybe_parse(
+2445            table,
+2446            into=Table,
+2447            dialect=dialect,
+2448            **opts,
+2449        )
+2450        properties_expression = None
+2451        if properties:
+2452            properties_expression = Properties.from_dict(properties)
+2453
+2454        return Create(
+2455            this=table_expression,
+2456            kind="table",
+2457            expression=instance,
+2458            properties=properties_expression,
+2459        )
 
    
 
 
@@ -21839,29 +22210,29 @@ If another Expression instance is passed,
 
     
    
     
-            
    2440    def lock(self, update: bool = True, copy: bool = True) -> Select:
-2441        """
-2442        Set the locking read mode for this expression.
-2443
-2444        Examples:
-2445            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
-2446            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
-2447
-2448            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
-2449            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
-2450
-2451        Args:
-2452            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
-2453            copy: if `False`, modify this expression instance in-place.
-2454
-2455        Returns:
-2456            The modified expression.
-2457        """
-2458
-2459        inst = _maybe_copy(self, copy)
-2460        inst.set("lock", Lock(update=update))
-2461
-2462        return inst
+            
    2461    def lock(self, update: bool = True, copy: bool = True) -> Select:
+2462        """
+2463        Set the locking read mode for this expression.
+2464
+2465        Examples:
+2466            >>> Select().select("x").from_("tbl").where("x = 'a'").lock().sql("mysql")
+2467            "SELECT x FROM tbl WHERE x = 'a' FOR UPDATE"
+2468
+2469            >>> Select().select("x").from_("tbl").where("x = 'a'").lock(update=False).sql("mysql")
+2470            "SELECT x FROM tbl WHERE x = 'a' FOR SHARE"
+2471
+2472        Args:
+2473            update: if `True`, the locking type will be `FOR UPDATE`, else it will be `FOR SHARE`.
+2474            copy: if `False`, modify this expression instance in-place.
+2475
+2476        Returns:
+2477            The modified expression.
+2478        """
+2479
+2480        inst = _maybe_copy(self, copy)
+2481        inst.set("lock", Lock(update=update))
+2482
+2483        return inst
 
    
 
 
@@ -21934,6 +22305,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -21976,30 +22348,30 @@ If another Expression instance is passed,
 
     
    
     
-            
    2477class Subquery(DerivedTable, Unionable):
-2478    arg_types = {
-2479        "this": True,
-2480        "alias": False,
-2481        "with": False,
-2482        **QUERY_MODIFIERS,
-2483    }
-2484
-2485    def unnest(self):
-2486        """
-2487        Returns the first non subquery.
-2488        """
-2489        expression = self
-2490        while isinstance(expression, Subquery):
-2491            expression = expression.this
-2492        return expression
-2493
-2494    @property
-2495    def is_star(self) -> bool:
-2496        return self.this.is_star
-2497
-2498    @property
-2499    def output_name(self):
-2500        return self.alias
+            
    2498class Subquery(DerivedTable, Unionable):
+2499    arg_types = {
+2500        "this": True,
+2501        "alias": False,
+2502        "with": False,
+2503        **QUERY_MODIFIERS,
+2504    }
+2505
+2506    def unnest(self):
+2507        """
+2508        Returns the first non subquery.
+2509        """
+2510        expression = self
+2511        while isinstance(expression, Subquery):
+2512            expression = expression.this
+2513        return expression
+2514
+2515    @property
+2516    def is_star(self) -> bool:
+2517        return self.this.is_star
+2518
+2519    @property
+2520    def output_name(self):
+2521        return self.alias
 
    
 
 
@@ -22016,14 +22388,14 @@ If another Expression instance is passed,
 
     
    
     
-            
    2485    def unnest(self):
-2486        """
-2487        Returns the first non subquery.
-2488        """
-2489        expression = self
-2490        while isinstance(expression, Subquery):
-2491            expression = expression.this
-2492        return expression
+            
    2506    def unnest(self):
+2507        """
+2508        Returns the first non subquery.
+2509        """
+2510        expression = self
+2511        while isinstance(expression, Subquery):
+2512            expression = expression.this
+2513        return expression
 
    
 
 
@@ -22096,6 +22468,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22132,18 +22505,18 @@ If another Expression instance is passed,
 
     
    
     
-            
    2503class TableSample(Expression):
-2504    arg_types = {
-2505        "this": False,
-2506        "method": False,
-2507        "bucket_numerator": False,
-2508        "bucket_denominator": False,
-2509        "bucket_field": False,
-2510        "percent": False,
-2511        "rows": False,
-2512        "size": False,
-2513        "seed": False,
-2514    }
+            
    2524class TableSample(Expression):
+2525    arg_types = {
+2526        "this": False,
+2527        "method": False,
+2528        "bucket_numerator": False,
+2529        "bucket_denominator": False,
+2530        "bucket_field": False,
+2531        "percent": False,
+2532        "rows": False,
+2533        "size": False,
+2534        "seed": False,
+2535    }
 
    
 
 
@@ -22172,6 +22545,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22203,14 +22577,14 @@ If another Expression instance is passed,
 
     
    
     
-            
    2517class Tag(Expression):
-2518    """Tags are used for generating arbitrary sql like SELECT <span>x</span>."""
-2519
-2520    arg_types = {
-2521        "this": False,
-2522        "prefix": False,
-2523        "postfix": False,
-2524    }
+            
    2538class Tag(Expression):
+2539    """Tags are used for generating arbitrary sql like SELECT <span>x</span>."""
+2540
+2541    arg_types = {
+2542        "this": False,
+2543        "prefix": False,
+2544        "postfix": False,
+2545    }
 
    
 
 
@@ -22241,6 +22615,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22272,14 +22647,14 @@ If another Expression instance is passed,
 
     
    
     
-            
    2527class Pivot(Expression):
-2528    arg_types = {
-2529        "this": False,
-2530        "alias": False,
-2531        "expressions": True,
-2532        "field": True,
-2533        "unpivot": True,
-2534    }
+            
    2548class Pivot(Expression):
+2549    arg_types = {
+2550        "this": False,
+2551        "alias": False,
+2552        "expressions": True,
+2553        "field": True,
+2554        "unpivot": True,
+2555    }
 
    
 
 
@@ -22308,6 +22683,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22339,14 +22715,14 @@ If another Expression instance is passed,
 
     
    
     
-            
    2537class Window(Expression):
-2538    arg_types = {
-2539        "this": True,
-2540        "partition_by": False,
-2541        "order": False,
-2542        "spec": False,
-2543        "alias": False,
-2544    }
+            
    2558class Window(Expression):
+2559    arg_types = {
+2560        "this": True,
+2561        "partition_by": False,
+2562        "order": False,
+2563        "spec": False,
+2564        "alias": False,
+2565    }
 
    
 
 
@@ -22375,6 +22751,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22406,14 +22783,14 @@ If another Expression instance is passed,
 
     
    
     
-            
    2547class WindowSpec(Expression):
-2548    arg_types = {
-2549        "kind": False,
-2550        "start": False,
-2551        "start_side": False,
-2552        "end": False,
-2553        "end_side": False,
-2554    }
+            
    2568class WindowSpec(Expression):
+2569    arg_types = {
+2570        "kind": False,
+2571        "start": False,
+2572        "start_side": False,
+2573        "end": False,
+2574        "end_side": False,
+2575    }
 
    
 
 
@@ -22442,6 +22819,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22473,8 +22851,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2557class Where(Expression):
-2558    pass
+            
    2578class Where(Expression):
+2579    pass
 
    
 
 
@@ -22503,6 +22881,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22534,16 +22913,16 @@ If another Expression instance is passed,
 
     
    
     
-            
    2561class Star(Expression):
-2562    arg_types = {"except": False, "replace": False}
-2563
-2564    @property
-2565    def name(self) -> str:
-2566        return "*"
-2567
-2568    @property
-2569    def output_name(self):
-2570        return self.name
+            
    2582class Star(Expression):
+2583    arg_types = {"except": False, "replace": False}
+2584
+2585    @property
+2586    def name(self) -> str:
+2587        return "*"
+2588
+2589    @property
+2590    def output_name(self):
+2591        return self.name
 
    
 
 
@@ -22601,6 +22980,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22632,8 +23012,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2573class Parameter(Expression):
-2574    arg_types = {"this": True, "wrapped": False}
+            
    2594class Parameter(Expression):
+2595    arg_types = {"this": True, "wrapped": False}
 
    
 
 
@@ -22662,6 +23042,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22693,8 +23074,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2577class SessionParameter(Expression):
-2578    arg_types = {"this": True, "kind": False}
+            
    2598class SessionParameter(Expression):
+2599    arg_types = {"this": True, "kind": False}
 
    
 
 
@@ -22723,6 +23104,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22754,8 +23136,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2581class Placeholder(Expression):
-2582    arg_types = {"this": False}
+            
    2602class Placeholder(Expression):
+2603    arg_types = {"this": False}
 
    
 
 
@@ -22784,6 +23166,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22815,12 +23198,12 @@ If another Expression instance is passed,
 
     
    
     
-            
    2585class Null(Condition):
-2586    arg_types: t.Dict[str, t.Any] = {}
-2587
-2588    @property
-2589    def name(self) -> str:
-2590        return "NULL"
+            
    2606class Null(Condition):
+2607    arg_types: t.Dict[str, t.Any] = {}
+2608
+2609    @property
+2610    def name(self) -> str:
+2611        return "NULL"
 
    
 
 
@@ -22849,6 +23232,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22886,8 +23270,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2593class Boolean(Condition):
-2594    pass
+            
    2614class Boolean(Condition):
+2615    pass
 
    
 
 
@@ -22916,6 +23300,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -22953,122 +23338,122 @@ If another Expression instance is passed,
 
     
    
     
-            
    2597class DataType(Expression):
-2598    arg_types = {
-2599        "this": True,
-2600        "expressions": False,
-2601        "nested": False,
-2602        "values": False,
-2603        "prefix": False,
-2604    }
-2605
-2606    class Type(AutoName):
-2607        CHAR = auto()
-2608        NCHAR = auto()
-2609        VARCHAR = auto()
-2610        NVARCHAR = auto()
-2611        TEXT = auto()
-2612        MEDIUMTEXT = auto()
-2613        LONGTEXT = auto()
-2614        MEDIUMBLOB = auto()
-2615        LONGBLOB = auto()
-2616        BINARY = auto()
-2617        VARBINARY = auto()
-2618        INT = auto()
-2619        TINYINT = auto()
-2620        SMALLINT = auto()
-2621        BIGINT = auto()
-2622        FLOAT = auto()
-2623        DOUBLE = auto()
-2624        DECIMAL = auto()
-2625        BOOLEAN = auto()
-2626        JSON = auto()
-2627        JSONB = auto()
-2628        INTERVAL = auto()
-2629        TIME = auto()
-2630        TIMESTAMP = auto()
-2631        TIMESTAMPTZ = auto()
-2632        TIMESTAMPLTZ = auto()
-2633        DATE = auto()
-2634        DATETIME = auto()
-2635        ARRAY = auto()
-2636        MAP = auto()
-2637        UUID = auto()
-2638        GEOGRAPHY = auto()
-2639        GEOMETRY = auto()
-2640        STRUCT = auto()
-2641        NULLABLE = auto()
-2642        HLLSKETCH = auto()
-2643        HSTORE = auto()
-2644        SUPER = auto()
-2645        SERIAL = auto()
-2646        SMALLSERIAL = auto()
-2647        BIGSERIAL = auto()
-2648        XML = auto()
-2649        UNIQUEIDENTIFIER = auto()
-2650        MONEY = auto()
-2651        SMALLMONEY = auto()
-2652        ROWVERSION = auto()
-2653        IMAGE = auto()
-2654        VARIANT = auto()
-2655        OBJECT = auto()
-2656        INET = auto()
-2657        NULL = auto()
-2658        UNKNOWN = auto()  # Sentinel value, useful for type annotation
-2659
-2660    TEXT_TYPES = {
-2661        Type.CHAR,
-2662        Type.NCHAR,
-2663        Type.VARCHAR,
-2664        Type.NVARCHAR,
-2665        Type.TEXT,
-2666    }
-2667
-2668    INTEGER_TYPES = {
-2669        Type.INT,
-2670        Type.TINYINT,
-2671        Type.SMALLINT,
-2672        Type.BIGINT,
-2673    }
-2674
-2675    FLOAT_TYPES = {
-2676        Type.FLOAT,
-2677        Type.DOUBLE,
-2678    }
-2679
-2680    NUMERIC_TYPES = {*INTEGER_TYPES, *FLOAT_TYPES}
-2681
-2682    TEMPORAL_TYPES = {
-2683        Type.TIMESTAMP,
-2684        Type.TIMESTAMPTZ,
-2685        Type.TIMESTAMPLTZ,
-2686        Type.DATE,
-2687        Type.DATETIME,
-2688    }
-2689
-2690    @classmethod
-2691    def build(
-2692        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
-2693    ) -> DataType:
-2694        from sqlglot import parse_one
+            
    2618class DataType(Expression):
+2619    arg_types = {
+2620        "this": True,
+2621        "expressions": False,
+2622        "nested": False,
+2623        "values": False,
+2624        "prefix": False,
+2625    }
+2626
+2627    class Type(AutoName):
+2628        CHAR = auto()
+2629        NCHAR = auto()
+2630        VARCHAR = auto()
+2631        NVARCHAR = auto()
+2632        TEXT = auto()
+2633        MEDIUMTEXT = auto()
+2634        LONGTEXT = auto()
+2635        MEDIUMBLOB = auto()
+2636        LONGBLOB = auto()
+2637        BINARY = auto()
+2638        VARBINARY = auto()
+2639        INT = auto()
+2640        TINYINT = auto()
+2641        SMALLINT = auto()
+2642        BIGINT = auto()
+2643        FLOAT = auto()
+2644        DOUBLE = auto()
+2645        DECIMAL = auto()
+2646        BOOLEAN = auto()
+2647        JSON = auto()
+2648        JSONB = auto()
+2649        INTERVAL = auto()
+2650        TIME = auto()
+2651        TIMESTAMP = auto()
+2652        TIMESTAMPTZ = auto()
+2653        TIMESTAMPLTZ = auto()
+2654        DATE = auto()
+2655        DATETIME = auto()
+2656        ARRAY = auto()
+2657        MAP = auto()
+2658        UUID = auto()
+2659        GEOGRAPHY = auto()
+2660        GEOMETRY = auto()
+2661        STRUCT = auto()
+2662        NULLABLE = auto()
+2663        HLLSKETCH = auto()
+2664        HSTORE = auto()
+2665        SUPER = auto()
+2666        SERIAL = auto()
+2667        SMALLSERIAL = auto()
+2668        BIGSERIAL = auto()
+2669        XML = auto()
+2670        UNIQUEIDENTIFIER = auto()
+2671        MONEY = auto()
+2672        SMALLMONEY = auto()
+2673        ROWVERSION = auto()
+2674        IMAGE = auto()
+2675        VARIANT = auto()
+2676        OBJECT = auto()
+2677        INET = auto()
+2678        NULL = auto()
+2679        UNKNOWN = auto()  # Sentinel value, useful for type annotation
+2680
+2681    TEXT_TYPES = {
+2682        Type.CHAR,
+2683        Type.NCHAR,
+2684        Type.VARCHAR,
+2685        Type.NVARCHAR,
+2686        Type.TEXT,
+2687    }
+2688
+2689    INTEGER_TYPES = {
+2690        Type.INT,
+2691        Type.TINYINT,
+2692        Type.SMALLINT,
+2693        Type.BIGINT,
+2694    }
 2695
-2696        if isinstance(dtype, str):
-2697            if dtype.upper() in cls.Type.__members__:
-2698                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
-2699            else:
-2700                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
-2701            if data_type_exp is None:
-2702                raise ValueError(f"Unparsable data type value: {dtype}")
-2703        elif isinstance(dtype, DataType.Type):
-2704            data_type_exp = DataType(this=dtype)
-2705        elif isinstance(dtype, DataType):
-2706            return dtype
-2707        else:
-2708            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
-2709        return DataType(**{**data_type_exp.args, **kwargs})
+2696    FLOAT_TYPES = {
+2697        Type.FLOAT,
+2698        Type.DOUBLE,
+2699    }
+2700
+2701    NUMERIC_TYPES = {*INTEGER_TYPES, *FLOAT_TYPES}
+2702
+2703    TEMPORAL_TYPES = {
+2704        Type.TIMESTAMP,
+2705        Type.TIMESTAMPTZ,
+2706        Type.TIMESTAMPLTZ,
+2707        Type.DATE,
+2708        Type.DATETIME,
+2709    }
 2710
-2711    def is_type(self, dtype: DataType.Type) -> bool:
-2712        return self.this == dtype
+2711    @classmethod
+2712    def build(
+2713        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
+2714    ) -> DataType:
+2715        from sqlglot import parse_one
+2716
+2717        if isinstance(dtype, str):
+2718            if dtype.upper() in cls.Type.__members__:
+2719                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
+2720            else:
+2721                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
+2722            if data_type_exp is None:
+2723                raise ValueError(f"Unparsable data type value: {dtype}")
+2724        elif isinstance(dtype, DataType.Type):
+2725            data_type_exp = DataType(this=dtype)
+2726        elif isinstance(dtype, DataType):
+2727            return dtype
+2728        else:
+2729            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
+2730        return DataType(**{**data_type_exp.args, **kwargs})
+2731
+2732    def is_type(self, dtype: DataType.Type) -> bool:
+2733        return self.this == dtype
 
    
 
 
@@ -23086,26 +23471,26 @@ If another Expression instance is passed,
 
     
    
     
-            
    2690    @classmethod
-2691    def build(
-2692        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
-2693    ) -> DataType:
-2694        from sqlglot import parse_one
-2695
-2696        if isinstance(dtype, str):
-2697            if dtype.upper() in cls.Type.__members__:
-2698                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
-2699            else:
-2700                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
-2701            if data_type_exp is None:
-2702                raise ValueError(f"Unparsable data type value: {dtype}")
-2703        elif isinstance(dtype, DataType.Type):
-2704            data_type_exp = DataType(this=dtype)
-2705        elif isinstance(dtype, DataType):
-2706            return dtype
-2707        else:
-2708            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
-2709        return DataType(**{**data_type_exp.args, **kwargs})
+            
    2711    @classmethod
+2712    def build(
+2713        cls, dtype: str | DataType | DataType.Type, dialect: DialectType = None, **kwargs
+2714    ) -> DataType:
+2715        from sqlglot import parse_one
+2716
+2717        if isinstance(dtype, str):
+2718            if dtype.upper() in cls.Type.__members__:
+2719                data_type_exp: t.Optional[Expression] = DataType(this=DataType.Type[dtype.upper()])
+2720            else:
+2721                data_type_exp = parse_one(dtype, read=dialect, into=DataType)
+2722            if data_type_exp is None:
+2723                raise ValueError(f"Unparsable data type value: {dtype}")
+2724        elif isinstance(dtype, DataType.Type):
+2725            data_type_exp = DataType(this=dtype)
+2726        elif isinstance(dtype, DataType):
+2727            return dtype
+2728        else:
+2729            raise ValueError(f"Invalid data type: {type(dtype)}. Expected str or DataType.Type")
+2730        return DataType(**{**data_type_exp.args, **kwargs})
 
    
 
 
@@ -23123,8 +23508,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2711    def is_type(self, dtype: DataType.Type) -> bool:
-2712        return self.this == dtype
+            
    2732    def is_type(self, dtype: DataType.Type) -> bool:
+2733        return self.this == dtype
 
    
 
 
@@ -23154,6 +23539,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -23185,59 +23571,59 @@ If another Expression instance is passed,
 
     
    
     
-            
    2606    class Type(AutoName):
-2607        CHAR = auto()
-2608        NCHAR = auto()
-2609        VARCHAR = auto()
-2610        NVARCHAR = auto()
-2611        TEXT = auto()
-2612        MEDIUMTEXT = auto()
-2613        LONGTEXT = auto()
-2614        MEDIUMBLOB = auto()
-2615        LONGBLOB = auto()
-2616        BINARY = auto()
-2617        VARBINARY = auto()
-2618        INT = auto()
-2619        TINYINT = auto()
-2620        SMALLINT = auto()
-2621        BIGINT = auto()
-2622        FLOAT = auto()
-2623        DOUBLE = auto()
-2624        DECIMAL = auto()
-2625        BOOLEAN = auto()
-2626        JSON = auto()
-2627        JSONB = auto()
-2628        INTERVAL = auto()
-2629        TIME = auto()
-2630        TIMESTAMP = auto()
-2631        TIMESTAMPTZ = auto()
-2632        TIMESTAMPLTZ = auto()
-2633        DATE = auto()
-2634        DATETIME = auto()
-2635        ARRAY = auto()
-2636        MAP = auto()
-2637        UUID = auto()
-2638        GEOGRAPHY = auto()
-2639        GEOMETRY = auto()
-2640        STRUCT = auto()
-2641        NULLABLE = auto()
-2642        HLLSKETCH = auto()
-2643        HSTORE = auto()
-2644        SUPER = auto()
-2645        SERIAL = auto()
-2646        SMALLSERIAL = auto()
-2647        BIGSERIAL = auto()
-2648        XML = auto()
-2649        UNIQUEIDENTIFIER = auto()
-2650        MONEY = auto()
-2651        SMALLMONEY = auto()
-2652        ROWVERSION = auto()
-2653        IMAGE = auto()
-2654        VARIANT = auto()
-2655        OBJECT = auto()
-2656        INET = auto()
-2657        NULL = auto()
-2658        UNKNOWN = auto()  # Sentinel value, useful for type annotation
+            
    2627    class Type(AutoName):
+2628        CHAR = auto()
+2629        NCHAR = auto()
+2630        VARCHAR = auto()
+2631        NVARCHAR = auto()
+2632        TEXT = auto()
+2633        MEDIUMTEXT = auto()
+2634        LONGTEXT = auto()
+2635        MEDIUMBLOB = auto()
+2636        LONGBLOB = auto()
+2637        BINARY = auto()
+2638        VARBINARY = auto()
+2639        INT = auto()
+2640        TINYINT = auto()
+2641        SMALLINT = auto()
+2642        BIGINT = auto()
+2643        FLOAT = auto()
+2644        DOUBLE = auto()
+2645        DECIMAL = auto()
+2646        BOOLEAN = auto()
+2647        JSON = auto()
+2648        JSONB = auto()
+2649        INTERVAL = auto()
+2650        TIME = auto()
+2651        TIMESTAMP = auto()
+2652        TIMESTAMPTZ = auto()
+2653        TIMESTAMPLTZ = auto()
+2654        DATE = auto()
+2655        DATETIME = auto()
+2656        ARRAY = auto()
+2657        MAP = auto()
+2658        UUID = auto()
+2659        GEOGRAPHY = auto()
+2660        GEOMETRY = auto()
+2661        STRUCT = auto()
+2662        NULLABLE = auto()
+2663        HLLSKETCH = auto()
+2664        HSTORE = auto()
+2665        SUPER = auto()
+2666        SERIAL = auto()
+2667        SMALLSERIAL = auto()
+2668        BIGSERIAL = auto()
+2669        XML = auto()
+2670        UNIQUEIDENTIFIER = auto()
+2671        MONEY = auto()
+2672        SMALLMONEY = auto()
+2673        ROWVERSION = auto()
+2674        IMAGE = auto()
+2675        VARIANT = auto()
+2676        OBJECT = auto()
+2677        INET = auto()
+2678        NULL = auto()
+2679        UNKNOWN = auto()  # Sentinel value, useful for type annotation
 
    
 
 
@@ -23891,8 +24277,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2716class PseudoType(Expression):
-2717    pass
+            
    2737class PseudoType(Expression):
+2738    pass
 
    
 
 
@@ -23921,6 +24307,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -23952,8 +24339,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2720class StructKwarg(Expression):
-2721    arg_types = {"this": True, "expression": True}
+            
    2741class StructKwarg(Expression):
+2742    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -23982,6 +24369,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24013,8 +24401,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2725class SubqueryPredicate(Predicate):
-2726    pass
+            
    2746class SubqueryPredicate(Predicate):
+2747    pass
 
    
 
 
@@ -24043,6 +24431,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24080,8 +24469,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2729class All(SubqueryPredicate):
-2730    pass
+            
    2750class All(SubqueryPredicate):
+2751    pass
 
    
 
 
@@ -24110,6 +24499,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24147,8 +24537,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2733class Any(SubqueryPredicate):
-2734    pass
+            
    2754class Any(SubqueryPredicate):
+2755    pass
 
    
 
 
@@ -24177,6 +24567,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24214,8 +24605,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2737class Exists(SubqueryPredicate):
-2738    pass
+            
    2758class Exists(SubqueryPredicate):
+2759    pass
 
    
 
 
@@ -24244,6 +24635,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24281,8 +24673,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2743class Command(Expression):
-2744    arg_types = {"this": True, "expression": False}
+            
    2764class Command(Expression):
+2765    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -24311,6 +24703,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24342,8 +24735,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2747class Transaction(Expression):
-2748    arg_types = {"this": False, "modes": False}
+            
    2768class Transaction(Expression):
+2769    arg_types = {"this": False, "modes": False}
 
    
 
 
@@ -24372,6 +24765,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24403,8 +24797,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2751class Commit(Expression):
-2752    arg_types = {"chain": False}
+            
    2772class Commit(Expression):
+2773    arg_types = {"chain": False}
 
    
 
 
@@ -24433,6 +24827,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24464,8 +24859,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2755class Rollback(Expression):
-2756    arg_types = {"savepoint": False}
+            
    2776class Rollback(Expression):
+2777    arg_types = {"savepoint": False}
 
    
 
 
@@ -24494,6 +24889,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24525,8 +24921,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2759class AlterTable(Expression):
-2760    arg_types = {"this": True, "actions": True, "exists": False}
+            
    2780class AlterTable(Expression):
+2781    arg_types = {"this": True, "actions": True, "exists": False}
 
    
 
 
@@ -24555,6 +24951,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24586,8 +24983,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2763class AddConstraint(Expression):
-2764    arg_types = {"this": False, "expression": False, "enforced": False}
+            
    2784class AddConstraint(Expression):
+2785    arg_types = {"this": False, "expression": False, "enforced": False}
 
    
 
 
@@ -24616,6 +25013,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24647,8 +25045,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2767class DropPartition(Expression):
-2768    arg_types = {"expressions": True, "exists": False}
+            
    2788class DropPartition(Expression):
+2789    arg_types = {"expressions": True, "exists": False}
 
    
 
 
@@ -24677,6 +25075,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24708,16 +25107,16 @@ If another Expression instance is passed,
 
     
    
     
-            
    2772class Binary(Expression):
-2773    arg_types = {"this": True, "expression": True}
-2774
-2775    @property
-2776    def left(self):
-2777        return self.this
-2778
-2779    @property
-2780    def right(self):
-2781        return self.expression
+            
    2793class Binary(Expression):
+2794    arg_types = {"this": True, "expression": True}
+2795
+2796    @property
+2797    def left(self):
+2798        return self.this
+2799
+2800    @property
+2801    def right(self):
+2802        return self.expression
 
    
 
 
@@ -24746,6 +25145,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24777,8 +25177,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2784class Add(Binary):
-2785    pass
+            
    2805class Add(Binary):
+2806    pass
 
    
 
 
@@ -24807,6 +25207,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24838,8 +25239,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2788class Connector(Binary, Condition):
-2789    pass
+            
    2809class Connector(Binary, Condition):
+2810    pass
 
    
 
 
@@ -24868,6 +25269,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24905,8 +25307,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2792class And(Connector):
-2793    pass
+            
    2813class And(Connector):
+2814    pass
 
    
 
 
@@ -24935,6 +25337,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -24972,8 +25375,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2796class Or(Connector):
-2797    pass
+            
    2817class Or(Connector):
+2818    pass
 
    
 
 
@@ -25002,6 +25405,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25039,8 +25443,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2800class BitwiseAnd(Binary):
-2801    pass
+            
    2821class BitwiseAnd(Binary):
+2822    pass
 
    
 
 
@@ -25069,6 +25473,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25100,8 +25505,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2804class BitwiseLeftShift(Binary):
-2805    pass
+            
    2825class BitwiseLeftShift(Binary):
+2826    pass
 
    
 
 
@@ -25130,6 +25535,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25161,8 +25567,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2808class BitwiseOr(Binary):
-2809    pass
+            
    2829class BitwiseOr(Binary):
+2830    pass
 
    
 
 
@@ -25191,6 +25597,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25222,8 +25629,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2812class BitwiseRightShift(Binary):
-2813    pass
+            
    2833class BitwiseRightShift(Binary):
+2834    pass
 
    
 
 
@@ -25252,6 +25659,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25283,8 +25691,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2816class BitwiseXor(Binary):
-2817    pass
+            
    2837class BitwiseXor(Binary):
+2838    pass
 
    
 
 
@@ -25313,6 +25721,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25344,8 +25753,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2820class Div(Binary):
-2821    pass
+            
    2841class Div(Binary):
+2842    pass
 
    
 
 
@@ -25374,6 +25783,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25390,6 +25800,68 @@ If another Expression instance is passed,
                 
    dump
    
                 
    load
    
 
+            
    
+                                
+                            
    
+                
+                
    
+                            
+
    
+            
+    class
+    Overlaps(Binary):
+
+                
+
+    
    
+    
+            
    2845class Overlaps(Binary):
+2846    pass
+
    
+
+
+    
+
+                            
    
+                                
    Inherited Members
    
+                                
    
+                                    
                                 
    
                             
    
@@ -25405,10 +25877,10 @@ If another Expression instance is passed,
 
     
    
     
-            
    2824class Dot(Binary):
-2825    @property
-2826    def name(self) -> str:
-2827        return self.expression.name
+            
    2849class Dot(Binary):
+2850    @property
+2851    def name(self) -> str:
+2852        return self.expression.name
 
    
 
 
@@ -25437,6 +25909,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25468,8 +25941,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2830class DPipe(Binary):
-2831    pass
+            
    2855class DPipe(Binary):
+2856    pass
 
    
 
 
@@ -25498,6 +25971,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25529,8 +26003,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2834class EQ(Binary, Predicate):
-2835    pass
+            
    2859class EQ(Binary, Predicate):
+2860    pass
 
    
 
 
@@ -25559,6 +26033,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25596,8 +26071,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2838class NullSafeEQ(Binary, Predicate):
-2839    pass
+            
    2863class NullSafeEQ(Binary, Predicate):
+2864    pass
 
    
 
 
@@ -25626,6 +26101,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25663,8 +26139,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2842class NullSafeNEQ(Binary, Predicate):
-2843    pass
+            
    2867class NullSafeNEQ(Binary, Predicate):
+2868    pass
 
    
 
 
@@ -25693,6 +26169,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25730,8 +26207,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2846class Distance(Binary):
-2847    pass
+            
    2871class Distance(Binary):
+2872    pass
 
    
 
 
@@ -25760,6 +26237,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25791,8 +26269,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2850class Escape(Binary):
-2851    pass
+            
    2875class Escape(Binary):
+2876    pass
 
    
 
 
@@ -25821,6 +26299,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25852,8 +26331,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2854class Glob(Binary, Predicate):
-2855    pass
+            
    2879class Glob(Binary, Predicate):
+2880    pass
 
    
 
 
@@ -25882,6 +26361,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25919,8 +26399,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2858class GT(Binary, Predicate):
-2859    pass
+            
    2883class GT(Binary, Predicate):
+2884    pass
 
    
 
 
@@ -25949,6 +26429,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -25986,8 +26467,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2862class GTE(Binary, Predicate):
-2863    pass
+            
    2887class GTE(Binary, Predicate):
+2888    pass
 
    
 
 
@@ -26016,6 +26497,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26053,8 +26535,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2866class ILike(Binary, Predicate):
-2867    pass
+            
    2891class ILike(Binary, Predicate):
+2892    pass
 
    
 
 
@@ -26083,6 +26565,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26120,8 +26603,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2870class ILikeAny(Binary, Predicate):
-2871    pass
+            
    2895class ILikeAny(Binary, Predicate):
+2896    pass
 
    
 
 
@@ -26150,6 +26633,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26187,8 +26671,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2874class IntDiv(Binary):
-2875    pass
+            
    2899class IntDiv(Binary):
+2900    pass
 
    
 
 
@@ -26217,6 +26701,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26248,8 +26733,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2878class Is(Binary, Predicate):
-2879    pass
+            
    2903class Is(Binary, Predicate):
+2904    pass
 
    
 
 
@@ -26278,6 +26763,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26315,8 +26801,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2882class Kwarg(Binary):
-2883    """Kwarg in special functions like func(kwarg => y)."""
+            
    2907class Kwarg(Binary):
+2908    """Kwarg in special functions like func(kwarg => y)."""
 
    
 
 
@@ -26347,6 +26833,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26378,8 +26865,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2886class Like(Binary, Predicate):
-2887    pass
+            
    2911class Like(Binary, Predicate):
+2912    pass
 
    
 
 
@@ -26408,6 +26895,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26445,8 +26933,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2890class LikeAny(Binary, Predicate):
-2891    pass
+            
    2915class LikeAny(Binary, Predicate):
+2916    pass
 
    
 
 
@@ -26475,6 +26963,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26512,8 +27001,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2894class LT(Binary, Predicate):
-2895    pass
+            
    2919class LT(Binary, Predicate):
+2920    pass
 
    
 
 
@@ -26542,6 +27031,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26579,8 +27069,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2898class LTE(Binary, Predicate):
-2899    pass
+            
    2923class LTE(Binary, Predicate):
+2924    pass
 
    
 
 
@@ -26609,6 +27099,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26646,8 +27137,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2902class Mod(Binary):
-2903    pass
+            
    2927class Mod(Binary):
+2928    pass
 
    
 
 
@@ -26676,6 +27167,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26707,8 +27199,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2906class Mul(Binary):
-2907    pass
+            
    2931class Mul(Binary):
+2932    pass
 
    
 
 
@@ -26737,6 +27229,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26768,8 +27261,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2910class NEQ(Binary, Predicate):
-2911    pass
+            
    2935class NEQ(Binary, Predicate):
+2936    pass
 
    
 
 
@@ -26798,6 +27291,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26835,8 +27329,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2914class SimilarTo(Binary, Predicate):
-2915    pass
+            
    2939class SimilarTo(Binary, Predicate):
+2940    pass
 
    
 
 
@@ -26865,6 +27359,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26902,8 +27397,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2918class Slice(Binary):
-2919    arg_types = {"this": False, "expression": False}
+            
    2943class Slice(Binary):
+2944    arg_types = {"this": False, "expression": False}
 
    
 
 
@@ -26932,6 +27427,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -26963,8 +27459,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2922class Sub(Binary):
-2923    pass
+            
    2947class Sub(Binary):
+2948    pass
 
    
 
 
@@ -26993,6 +27489,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27024,8 +27521,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2928class Unary(Expression):
-2929    pass
+            
    2953class Unary(Expression):
+2954    pass
 
    
 
 
@@ -27054,6 +27551,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27085,8 +27583,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2932class BitwiseNot(Unary):
-2933    pass
+            
    2957class BitwiseNot(Unary):
+2958    pass
 
    
 
 
@@ -27115,6 +27613,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27146,8 +27645,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2936class Not(Unary, Condition):
-2937    pass
+            
    2961class Not(Unary, Condition):
+2962    pass
 
    
 
 
@@ -27176,6 +27675,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27213,8 +27713,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2940class Paren(Unary, Condition):
-2941    arg_types = {"this": True, "with": False}
+            
    2965class Paren(Unary, Condition):
+2966    arg_types = {"this": True, "with": False}
 
    
 
 
@@ -27243,6 +27743,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27280,8 +27781,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2944class Neg(Unary):
-2945    pass
+            
    2969class Neg(Unary):
+2970    pass
 
    
 
 
@@ -27310,6 +27811,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27341,12 +27843,12 @@ If another Expression instance is passed,
 
     
    
     
-            
    2949class Alias(Expression):
-2950    arg_types = {"this": True, "alias": False}
-2951
-2952    @property
-2953    def output_name(self):
-2954        return self.alias
+            
    2974class Alias(Expression):
+2975    arg_types = {"this": True, "alias": False}
+2976
+2977    @property
+2978    def output_name(self):
+2979        return self.alias
 
    
 
 
@@ -27404,6 +27906,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27435,12 +27938,12 @@ If another Expression instance is passed,
 
     
    
     
-            
    2957class Aliases(Expression):
-2958    arg_types = {"this": True, "expressions": True}
-2959
-2960    @property
-2961    def aliases(self):
-2962        return self.expressions
+            
    2982class Aliases(Expression):
+2983    arg_types = {"this": True, "expressions": True}
+2984
+2985    @property
+2986    def aliases(self):
+2987        return self.expressions
 
    
 
 
@@ -27469,6 +27972,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27500,8 +28004,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2965class AtTimeZone(Expression):
-2966    arg_types = {"this": True, "zone": True}
+            
    2990class AtTimeZone(Expression):
+2991    arg_types = {"this": True, "zone": True}
 
    
 
 
@@ -27530,6 +28034,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27561,8 +28066,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2969class Between(Predicate):
-2970    arg_types = {"this": True, "low": True, "high": True}
+            
    2994class Between(Predicate):
+2995    arg_types = {"this": True, "low": True, "high": True}
 
    
 
 
@@ -27591,6 +28096,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27628,8 +28134,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2973class Bracket(Condition):
-2974    arg_types = {"this": True, "expressions": True}
+            
    2998class Bracket(Condition):
+2999    arg_types = {"this": True, "expressions": True}
 
    
 
 
@@ -27658,6 +28164,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27695,8 +28202,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    2977class Distinct(Expression):
-2978    arg_types = {"expressions": False, "on": False}
+            
    3002class Distinct(Expression):
+3003    arg_types = {"expressions": False, "on": False}
 
    
 
 
@@ -27725,6 +28232,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27756,15 +28264,15 @@ If another Expression instance is passed,
 
     
    
     
-            
    2981class In(Predicate):
-2982    arg_types = {
-2983        "this": True,
-2984        "expressions": False,
-2985        "query": False,
-2986        "unnest": False,
-2987        "field": False,
-2988        "is_global": False,
-2989    }
+            
    3006class In(Predicate):
+3007    arg_types = {
+3008        "this": True,
+3009        "expressions": False,
+3010        "query": False,
+3011        "unnest": False,
+3012        "field": False,
+3013        "is_global": False,
+3014    }
 
    
 
 
@@ -27793,6 +28301,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27830,18 +28339,18 @@ If another Expression instance is passed,
 
     
    
     
-            
    2992class TimeUnit(Expression):
-2993    """Automatically converts unit arg into a var."""
-2994
-2995    arg_types = {"unit": False}
-2996
-2997    def __init__(self, **args):
-2998        unit = args.get("unit")
-2999        if isinstance(unit, Column):
-3000            args["unit"] = Var(this=unit.name)
-3001        elif isinstance(unit, Week):
-3002            unit.set("this", Var(this=unit.this.name))
-3003        super().__init__(**args)
+            
    3017class TimeUnit(Expression):
+3018    """Automatically converts unit arg into a var."""
+3019
+3020    arg_types = {"unit": False}
+3021
+3022    def __init__(self, **args):
+3023        unit = args.get("unit")
+3024        if isinstance(unit, Column):
+3025            args["unit"] = Var(this=unit.name)
+3026        elif isinstance(unit, Week):
+3027            unit.set("this", Var(this=unit.this.name))
+3028        super().__init__(**args)
 
    
 
 
@@ -27859,13 +28368,13 @@ If another Expression instance is passed,
 
     
    
     
-            
    2997    def __init__(self, **args):
-2998        unit = args.get("unit")
-2999        if isinstance(unit, Column):
-3000            args["unit"] = Var(this=unit.name)
-3001        elif isinstance(unit, Week):
-3002            unit.set("this", Var(this=unit.this.name))
-3003        super().__init__(**args)
+            
    3022    def __init__(self, **args):
+3023        unit = args.get("unit")
+3024        if isinstance(unit, Column):
+3025            args["unit"] = Var(this=unit.name)
+3026        elif isinstance(unit, Week):
+3027            unit.set("this", Var(this=unit.this.name))
+3028        super().__init__(**args)
 
    
 
 
@@ -27894,6 +28403,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27925,8 +28435,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    3006class Interval(TimeUnit):
-3007    arg_types = {"this": False, "unit": False}
+            
    3031class Interval(TimeUnit):
+3032    arg_types = {"this": False, "unit": False}
 
    
 
 
@@ -27958,6 +28468,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -27989,8 +28500,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    3010class IgnoreNulls(Expression):
-3011    pass
+            
    3035class IgnoreNulls(Expression):
+3036    pass
 
    
 
 
@@ -28019,6 +28530,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28050,8 +28562,8 @@ If another Expression instance is passed,
 
     
    
     
-            
    3014class RespectNulls(Expression):
-3015    pass
+            
    3039class RespectNulls(Expression):
+3040    pass
 
    
 
 
@@ -28080,6 +28592,7 @@ If another Expression instance is passed,
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28111,53 +28624,53 @@ If another Expression instance is passed,
 
     
    
     
-            
    3019class Func(Condition):
-3020    """
-3021    The base class for all function expressions.
-3022
-3023    Attributes:
-3024        is_var_len_args (bool): if set to True the last argument defined in arg_types will be
-3025            treated as a variable length argument and the argument's value will be stored as a list.
-3026        _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items)
-3027            for this function expression. These values are used to map this node to a name during parsing
-3028            as well as to provide the function's name during SQL string generation. By default the SQL
-3029            name is set to the expression's class name transformed to snake case.
-3030    """
-3031
-3032    is_var_len_args = False
-3033
-3034    @classmethod
-3035    def from_arg_list(cls, args):
-3036        if cls.is_var_len_args:
-3037            all_arg_keys = list(cls.arg_types)
-3038            # If this function supports variable length argument treat the last argument as such.
-3039            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
-3040            num_non_var = len(non_var_len_arg_keys)
-3041
-3042            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
-3043            args_dict[all_arg_keys[-1]] = args[num_non_var:]
-3044        else:
-3045            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
-3046
-3047        return cls(**args_dict)
-3048
-3049    @classmethod
-3050    def sql_names(cls):
-3051        if cls is Func:
-3052            raise NotImplementedError(
-3053                "SQL name is only supported by concrete function implementations"
-3054            )
-3055        if "_sql_names" not in cls.__dict__:
-3056            cls._sql_names = [camel_to_snake_case(cls.__name__)]
-3057        return cls._sql_names
+            
    3044class Func(Condition):
+3045    """
+3046    The base class for all function expressions.
+3047
+3048    Attributes:
+3049        is_var_len_args (bool): if set to True the last argument defined in arg_types will be
+3050            treated as a variable length argument and the argument's value will be stored as a list.
+3051        _sql_names (list): determines the SQL name (1st item in the list) and aliases (subsequent items)
+3052            for this function expression. These values are used to map this node to a name during parsing
+3053            as well as to provide the function's name during SQL string generation. By default the SQL
+3054            name is set to the expression's class name transformed to snake case.
+3055    """
+3056
+3057    is_var_len_args = False
 3058
 3059    @classmethod
-3060    def sql_name(cls):
-3061        return cls.sql_names()[0]
-3062
-3063    @classmethod
-3064    def default_parser_mappings(cls):
-3065        return {name: cls.from_arg_list for name in cls.sql_names()}
+3060    def from_arg_list(cls, args):
+3061        if cls.is_var_len_args:
+3062            all_arg_keys = list(cls.arg_types)
+3063            # If this function supports variable length argument treat the last argument as such.
+3064            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
+3065            num_non_var = len(non_var_len_arg_keys)
+3066
+3067            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
+3068            args_dict[all_arg_keys[-1]] = args[num_non_var:]
+3069        else:
+3070            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
+3071
+3072        return cls(**args_dict)
+3073
+3074    @classmethod
+3075    def sql_names(cls):
+3076        if cls is Func:
+3077            raise NotImplementedError(
+3078                "SQL name is only supported by concrete function implementations"
+3079            )
+3080        if "_sql_names" not in cls.__dict__:
+3081            cls._sql_names = [camel_to_snake_case(cls.__name__)]
+3082        return cls._sql_names
+3083
+3084    @classmethod
+3085    def sql_name(cls):
+3086        return cls.sql_names()[0]
+3087
+3088    @classmethod
+3089    def default_parser_mappings(cls):
+3090        return {name: cls.from_arg_list for name in cls.sql_names()}
 
    
 
 
@@ -28188,20 +28701,20 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3034    @classmethod
-3035    def from_arg_list(cls, args):
-3036        if cls.is_var_len_args:
-3037            all_arg_keys = list(cls.arg_types)
-3038            # If this function supports variable length argument treat the last argument as such.
-3039            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
-3040            num_non_var = len(non_var_len_arg_keys)
-3041
-3042            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
-3043            args_dict[all_arg_keys[-1]] = args[num_non_var:]
-3044        else:
-3045            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
-3046
-3047        return cls(**args_dict)
+            
    3059    @classmethod
+3060    def from_arg_list(cls, args):
+3061        if cls.is_var_len_args:
+3062            all_arg_keys = list(cls.arg_types)
+3063            # If this function supports variable length argument treat the last argument as such.
+3064            non_var_len_arg_keys = all_arg_keys[:-1] if cls.is_var_len_args else all_arg_keys
+3065            num_non_var = len(non_var_len_arg_keys)
+3066
+3067            args_dict = {arg_key: arg for arg, arg_key in zip(args, non_var_len_arg_keys)}
+3068            args_dict[all_arg_keys[-1]] = args[num_non_var:]
+3069        else:
+3070            args_dict = {arg_key: arg for arg, arg_key in zip(args, cls.arg_types)}
+3071
+3072        return cls(**args_dict)
 
    
 
 
@@ -28220,15 +28733,15 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3049    @classmethod
-3050    def sql_names(cls):
-3051        if cls is Func:
-3052            raise NotImplementedError(
-3053                "SQL name is only supported by concrete function implementations"
-3054            )
-3055        if "_sql_names" not in cls.__dict__:
-3056            cls._sql_names = [camel_to_snake_case(cls.__name__)]
-3057        return cls._sql_names
+            
    3074    @classmethod
+3075    def sql_names(cls):
+3076        if cls is Func:
+3077            raise NotImplementedError(
+3078                "SQL name is only supported by concrete function implementations"
+3079            )
+3080        if "_sql_names" not in cls.__dict__:
+3081            cls._sql_names = [camel_to_snake_case(cls.__name__)]
+3082        return cls._sql_names
 
    
 
 
@@ -28247,9 +28760,9 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3059    @classmethod
-3060    def sql_name(cls):
-3061        return cls.sql_names()[0]
+            
    3084    @classmethod
+3085    def sql_name(cls):
+3086        return cls.sql_names()[0]
 
    
 
 
@@ -28268,9 +28781,9 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3063    @classmethod
-3064    def default_parser_mappings(cls):
-3065        return {name: cls.from_arg_list for name in cls.sql_names()}
+            
    3088    @classmethod
+3089    def default_parser_mappings(cls):
+3090        return {name: cls.from_arg_list for name in cls.sql_names()}
 
    
 
 
@@ -28300,6 +28813,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28337,8 +28851,8 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3068class AggFunc(Func):
-3069    pass
+            
    3093class AggFunc(Func):
+3094    pass
 
    
 
 
@@ -28367,6 +28881,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28411,8 +28926,8 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3072class Abs(Func):
-3073    pass
+            
    3097class Abs(Func):
+3098    pass
 
    
 
 
@@ -28441,6 +28956,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28485,9 +29001,9 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3076class Anonymous(Func):
-3077    arg_types = {"this": True, "expressions": False}
-3078    is_var_len_args = True
+            
    3101class Anonymous(Func):
+3102    arg_types = {"this": True, "expressions": False}
+3103    is_var_len_args = True
 
    
 
 
@@ -28516,6 +29032,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28560,8 +29077,8 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3081class ApproxDistinct(AggFunc):
-3082    arg_types = {"this": True, "accuracy": False}
+            
    3106class ApproxDistinct(AggFunc):
+3107    arg_types = {"this": True, "accuracy": False}
 
    
 
 
@@ -28590,6 +29107,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28634,9 +29152,9 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3085class Array(Func):
-3086    arg_types = {"expressions": False}
-3087    is_var_len_args = True
+            
    3110class Array(Func):
+3111    arg_types = {"expressions": False}
+3112    is_var_len_args = True
 
    
 
 
@@ -28665,6 +29183,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28709,8 +29228,8 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3090class GenerateSeries(Func):
-3091    arg_types = {"start": True, "end": True, "step": False}
+            
    3115class GenerateSeries(Func):
+3116    arg_types = {"start": True, "end": True, "step": False}
 
    
 
 
@@ -28739,6 +29258,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28783,8 +29303,8 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3094class ArrayAgg(AggFunc):
-3095    pass
+            
    3119class ArrayAgg(AggFunc):
+3120    pass
 
    
 
 
@@ -28813,6 +29333,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28857,8 +29378,8 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3098class ArrayAll(Func):
-3099    arg_types = {"this": True, "expression": True}
+            
    3123class ArrayAll(Func):
+3124    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -28887,6 +29408,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -28931,8 +29453,8 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3102class ArrayAny(Func):
-3103    arg_types = {"this": True, "expression": True}
+            
    3127class ArrayAny(Func):
+3128    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -28961,6 +29483,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29005,9 +29528,9 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3106class ArrayConcat(Func):
-3107    arg_types = {"this": True, "expressions": False}
-3108    is_var_len_args = True
+            
    3131class ArrayConcat(Func):
+3132    arg_types = {"this": True, "expressions": False}
+3133    is_var_len_args = True
 
    
 
 
@@ -29036,6 +29559,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29080,8 +29604,8 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3111class ArrayContains(Func):
-3112    arg_types = {"this": True, "expression": True}
+            
    3136class ArrayContains(Func):
+3137    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -29110,6 +29634,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29154,9 +29679,9 @@ name is set to the expression's class name transformed to snake case.
 
     
    
     
-            
    3115class ArrayFilter(Func):
-3116    arg_types = {"this": True, "expression": True}
-3117    _sql_names = ["FILTER", "ARRAY_FILTER"]
+            
    3140class ArrayFilter(Func):
+3141    arg_types = {"this": True, "expression": True}
+3142    _sql_names = ["FILTER", "ARRAY_FILTER"]
 
    
 
 
@@ -29185,6 +29710,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29214,6 +29740,81 @@ name is set to the expression's class name transformed to snake case.
                 
    or_
    
                 
    not_
    
 
+            
    
+                                
+                            
    
+                
+                
    
+                            
+
    
+            
+    class
+    ArrayJoin(Func):
+
+                
+
+    
    
+    
+            
    3145class ArrayJoin(Func):
+3146    arg_types = {"this": True, "expression": True, "null": False}
+
    
+
+
+    
+
+                            
    
+                                
    Inherited Members
    
+                                
    
+                                    
+            
+            
                                 
    
                             
    
@@ -29229,8 +29830,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3120class ArraySize(Func):
-3121    arg_types = {"this": True, "expression": False}
+            
    3149class ArraySize(Func):
+3150    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -29259,6 +29860,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29303,8 +29905,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3124class ArraySort(Func):
-3125    arg_types = {"this": True, "expression": False}
+            
    3153class ArraySort(Func):
+3154    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -29333,6 +29935,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29377,8 +29980,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3128class ArraySum(Func):
-3129    pass
+            
    3157class ArraySum(Func):
+3158    pass
 
    
 
 
@@ -29407,6 +30010,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29451,8 +30055,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3132class ArrayUnionAgg(AggFunc):
-3133    pass
+            
    3161class ArrayUnionAgg(AggFunc):
+3162    pass
 
    
 
 
@@ -29481,6 +30085,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29525,8 +30130,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3136class Avg(AggFunc):
-3137    pass
+            
    3165class Avg(AggFunc):
+3166    pass
 
    
 
 
@@ -29555,6 +30160,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29599,8 +30205,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3140class AnyValue(AggFunc):
-3141    pass
+            
    3169class AnyValue(AggFunc):
+3170    pass
 
    
 
 
@@ -29629,6 +30235,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29673,8 +30280,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3144class Case(Func):
-3145    arg_types = {"this": False, "ifs": True, "default": False}
+            
    3173class Case(Func):
+3174    arg_types = {"this": False, "ifs": True, "default": False}
 
    
 
 
@@ -29703,6 +30310,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29747,23 +30355,23 @@ name is set to the expression's class name transformed to snake case.
    - 
    3148class Cast(Func):
-3149    arg_types = {"this": True, "to": True}
-3150
-3151    @property
-3152    def name(self) -> str:
-3153        return self.this.name
-3154
-3155    @property
-3156    def to(self):
-3157        return self.args["to"]
-3158
-3159    @property
-3160    def output_name(self):
-3161        return self.name
-3162
-3163    def is_type(self, dtype: DataType.Type) -> bool:
-3164        return self.to.is_type(dtype)
+            
    3177class Cast(Func):
+3178    arg_types = {"this": True, "to": True}
+3179
+3180    @property
+3181    def name(self) -> str:
+3182        return self.this.name
+3183
+3184    @property
+3185    def to(self):
+3186        return self.args["to"]
+3187
+3188    @property
+3189    def output_name(self):
+3190        return self.name
+3191
+3192    def is_type(self, dtype: DataType.Type) -> bool:
+3193        return self.to.is_type(dtype)
 
    
 
 
@@ -29810,8 +30418,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3163    def is_type(self, dtype: DataType.Type) -> bool:
-3164        return self.to.is_type(dtype)
+            
    3192    def is_type(self, dtype: DataType.Type) -> bool:
+3193        return self.to.is_type(dtype)
 
    
 
 
@@ -29840,6 +30448,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29884,8 +30493,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3167class Collate(Binary):
-3168    pass
+            
    3196class Collate(Binary):
+3197    pass
 
    
 
 
@@ -29914,6 +30523,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -29945,8 +30555,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3171class TryCast(Cast):
-3172    pass
+            
    3200class TryCast(Cast):
+3201    pass
 
    
 
 
@@ -29974,6 +30584,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30023,9 +30634,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3175class Ceil(Func):
-3176    arg_types = {"this": True, "decimals": False}
-3177    _sql_names = ["CEIL", "CEILING"]
+            
    3204class Ceil(Func):
+3205    arg_types = {"this": True, "decimals": False}
+3206    _sql_names = ["CEIL", "CEILING"]
 
    
 
 
@@ -30054,6 +30665,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30098,9 +30710,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3180class Coalesce(Func):
-3181    arg_types = {"this": True, "expressions": False}
-3182    is_var_len_args = True
+            
    3209class Coalesce(Func):
+3210    arg_types = {"this": True, "expressions": False}
+3211    is_var_len_args = True
 
    
 
 
@@ -30129,6 +30741,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30173,9 +30786,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3185class Concat(Func):
-3186    arg_types = {"expressions": True}
-3187    is_var_len_args = True
+            
    3214class Concat(Func):
+3215    arg_types = {"expressions": True}
+3216    is_var_len_args = True
 
    
 
 
@@ -30204,6 +30817,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30248,8 +30862,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3190class ConcatWs(Concat):
-3191    _sql_names = ["CONCAT_WS"]
+            
    3219class ConcatWs(Concat):
+3220    _sql_names = ["CONCAT_WS"]
 
    
 
 
@@ -30278,6 +30892,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30322,8 +30937,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3194class Count(AggFunc):
-3195    arg_types = {"this": False}
+            
    3223class Count(AggFunc):
+3224    arg_types = {"this": False}
 
    
 
 
@@ -30352,6 +30967,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30396,8 +31012,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3198class CurrentDate(Func):
-3199    arg_types = {"this": False}
+            
    3227class CurrentDate(Func):
+3228    arg_types = {"this": False}
 
    
 
 
@@ -30426,6 +31042,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30470,8 +31087,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3202class CurrentDatetime(Func):
-3203    arg_types = {"this": False}
+            
    3231class CurrentDatetime(Func):
+3232    arg_types = {"this": False}
 
    
 
 
@@ -30500,6 +31117,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30544,8 +31162,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3206class CurrentTime(Func):
-3207    arg_types = {"this": False}
+            
    3235class CurrentTime(Func):
+3236    arg_types = {"this": False}
 
    
 
 
@@ -30574,6 +31192,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30618,8 +31237,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3210class CurrentTimestamp(Func):
-3211    arg_types = {"this": False}
+            
    3239class CurrentTimestamp(Func):
+3240    arg_types = {"this": False}
 
    
 
 
@@ -30648,6 +31267,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30692,8 +31312,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3214class DateAdd(Func, TimeUnit):
-3215    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3243class DateAdd(Func, TimeUnit):
+3244    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -30738,6 +31358,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30769,8 +31390,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3218class DateSub(Func, TimeUnit):
-3219    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3247class DateSub(Func, TimeUnit):
+3248    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -30815,6 +31436,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30846,8 +31468,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3222class DateDiff(Func, TimeUnit):
-3223    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3251class DateDiff(Func, TimeUnit):
+3252    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -30892,6 +31514,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30923,8 +31546,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3226class DateTrunc(Func):
-3227    arg_types = {"unit": True, "this": True, "zone": False}
+            
    3255class DateTrunc(Func):
+3256    arg_types = {"unit": True, "this": True, "zone": False}
 
    
 
 
@@ -30953,6 +31576,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -30997,8 +31621,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3230class DatetimeAdd(Func, TimeUnit):
-3231    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3259class DatetimeAdd(Func, TimeUnit):
+3260    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -31043,6 +31667,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31074,8 +31699,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3234class DatetimeSub(Func, TimeUnit):
-3235    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3263class DatetimeSub(Func, TimeUnit):
+3264    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -31120,6 +31745,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31151,8 +31777,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3238class DatetimeDiff(Func, TimeUnit):
-3239    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3267class DatetimeDiff(Func, TimeUnit):
+3268    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -31197,6 +31823,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31228,8 +31855,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3242class DatetimeTrunc(Func, TimeUnit):
-3243    arg_types = {"this": True, "unit": True, "zone": False}
+            
    3271class DatetimeTrunc(Func, TimeUnit):
+3272    arg_types = {"this": True, "unit": True, "zone": False}
 
    
 
 
@@ -31274,6 +31901,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31305,8 +31933,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3246class DayOfWeek(Func):
-3247    _sql_names = ["DAY_OF_WEEK", "DAYOFWEEK"]
+            
    3275class DayOfWeek(Func):
+3276    _sql_names = ["DAY_OF_WEEK", "DAYOFWEEK"]
 
    
 
 
@@ -31335,6 +31963,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31379,8 +32008,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3250class DayOfMonth(Func):
-3251    _sql_names = ["DAY_OF_MONTH", "DAYOFMONTH"]
+            
    3279class DayOfMonth(Func):
+3280    _sql_names = ["DAY_OF_MONTH", "DAYOFMONTH"]
 
    
 
 
@@ -31409,6 +32038,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31453,8 +32083,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3254class DayOfYear(Func):
-3255    _sql_names = ["DAY_OF_YEAR", "DAYOFYEAR"]
+            
    3283class DayOfYear(Func):
+3284    _sql_names = ["DAY_OF_YEAR", "DAYOFYEAR"]
 
    
 
 
@@ -31483,6 +32113,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31527,8 +32158,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3258class WeekOfYear(Func):
-3259    _sql_names = ["WEEK_OF_YEAR", "WEEKOFYEAR"]
+            
    3287class WeekOfYear(Func):
+3288    _sql_names = ["WEEK_OF_YEAR", "WEEKOFYEAR"]
 
    
 
 
@@ -31557,6 +32188,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31601,8 +32233,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3262class LastDateOfMonth(Func):
-3263    pass
+            
    3291class LastDateOfMonth(Func):
+3292    pass
 
    
 
 
@@ -31631,6 +32263,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31675,8 +32308,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3266class Extract(Func):
-3267    arg_types = {"this": True, "expression": True}
+            
    3295class Extract(Func):
+3296    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -31705,6 +32338,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31749,8 +32383,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3270class TimestampAdd(Func, TimeUnit):
-3271    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3299class TimestampAdd(Func, TimeUnit):
+3300    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -31795,6 +32429,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31826,8 +32461,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3274class TimestampSub(Func, TimeUnit):
-3275    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3303class TimestampSub(Func, TimeUnit):
+3304    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -31872,6 +32507,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31903,8 +32539,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3278class TimestampDiff(Func, TimeUnit):
-3279    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3307class TimestampDiff(Func, TimeUnit):
+3308    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -31949,6 +32585,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -31980,8 +32617,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3282class TimestampTrunc(Func, TimeUnit):
-3283    arg_types = {"this": True, "unit": True, "zone": False}
+            
    3311class TimestampTrunc(Func, TimeUnit):
+3312    arg_types = {"this": True, "unit": True, "zone": False}
 
    
 
 
@@ -32026,6 +32663,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32057,8 +32695,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3286class TimeAdd(Func, TimeUnit):
-3287    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3315class TimeAdd(Func, TimeUnit):
+3316    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -32103,6 +32741,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32134,8 +32773,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3290class TimeSub(Func, TimeUnit):
-3291    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3319class TimeSub(Func, TimeUnit):
+3320    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -32180,6 +32819,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32211,8 +32851,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3294class TimeDiff(Func, TimeUnit):
-3295    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3323class TimeDiff(Func, TimeUnit):
+3324    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -32257,6 +32897,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32288,8 +32929,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3298class TimeTrunc(Func, TimeUnit):
-3299    arg_types = {"this": True, "unit": True, "zone": False}
+            
    3327class TimeTrunc(Func, TimeUnit):
+3328    arg_types = {"this": True, "unit": True, "zone": False}
 
    
 
 
@@ -32334,6 +32975,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32365,9 +33007,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3302class DateFromParts(Func):
-3303    _sql_names = ["DATEFROMPARTS"]
-3304    arg_types = {"year": True, "month": True, "day": True}
+            
    3331class DateFromParts(Func):
+3332    _sql_names = ["DATEFROMPARTS"]
+3333    arg_types = {"year": True, "month": True, "day": True}
 
    
 
 
@@ -32396,6 +33038,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32440,8 +33083,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3307class DateStrToDate(Func):
-3308    pass
+            
    3336class DateStrToDate(Func):
+3337    pass
 
    
 
 
@@ -32470,6 +33113,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32514,8 +33158,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3311class DateToDateStr(Func):
-3312    pass
+            
    3340class DateToDateStr(Func):
+3341    pass
 
    
 
 
@@ -32544,6 +33188,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32588,8 +33233,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3315class DateToDi(Func):
-3316    pass
+            
    3344class DateToDi(Func):
+3345    pass
 
    
 
 
@@ -32618,6 +33263,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32662,8 +33308,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3319class Day(Func):
-3320    pass
+            
    3348class Day(Func):
+3349    pass
 
    
 
 
@@ -32692,6 +33338,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32736,8 +33383,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3323class Decode(Func):
-3324    arg_types = {"this": True, "charset": True, "replace": False}
+            
    3352class Decode(Func):
+3353    arg_types = {"this": True, "charset": True, "replace": False}
 
    
 
 
@@ -32766,6 +33413,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32810,8 +33458,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3327class DiToDate(Func):
-3328    pass
+            
    3356class DiToDate(Func):
+3357    pass
 
    
 
 
@@ -32840,6 +33488,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32884,8 +33533,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3331class Encode(Func):
-3332    arg_types = {"this": True, "charset": True}
+            
    3360class Encode(Func):
+3361    arg_types = {"this": True, "charset": True}
 
    
 
 
@@ -32914,6 +33563,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -32958,8 +33608,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3335class Exp(Func):
-3336    pass
+            
    3364class Exp(Func):
+3365    pass
 
    
 
 
@@ -32988,6 +33638,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33032,8 +33683,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3339class Explode(Func):
-3340    pass
+            
    3368class Explode(Func):
+3369    pass
 
    
 
 
@@ -33062,6 +33713,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33106,8 +33758,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3343class Floor(Func):
-3344    arg_types = {"this": True, "decimals": False}
+            
    3372class Floor(Func):
+3373    arg_types = {"this": True, "decimals": False}
 
    
 
 
@@ -33136,6 +33788,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33180,9 +33833,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3347class Greatest(Func):
-3348    arg_types = {"this": True, "expressions": False}
-3349    is_var_len_args = True
+            
    3376class Greatest(Func):
+3377    arg_types = {"this": True, "expressions": False}
+3378    is_var_len_args = True
 
    
 
 
@@ -33211,6 +33864,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33255,8 +33909,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3352class GroupConcat(Func):
-3353    arg_types = {"this": True, "separator": False}
+            
    3381class GroupConcat(Func):
+3382    arg_types = {"this": True, "separator": False}
 
    
 
 
@@ -33285,6 +33939,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33329,8 +33984,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3356class Hex(Func):
-3357    pass
+            
    3385class Hex(Func):
+3386    pass
 
    
 
 
@@ -33359,6 +34014,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33403,8 +34059,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3360class If(Func):
-3361    arg_types = {"this": True, "true": True, "false": False}
+            
    3389class If(Func):
+3390    arg_types = {"this": True, "true": True, "false": False}
 
    
 
 
@@ -33433,6 +34089,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33477,9 +34134,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3364class IfNull(Func):
-3365    arg_types = {"this": True, "expression": False}
-3366    _sql_names = ["IFNULL", "NVL"]
+            
    3393class IfNull(Func):
+3394    arg_types = {"this": True, "expression": False}
+3395    _sql_names = ["IFNULL", "NVL"]
 
    
 
 
@@ -33508,6 +34165,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33552,8 +34210,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3369class Initcap(Func):
-3370    pass
+            
    3398class Initcap(Func):
+3399    pass
 
    
 
 
@@ -33582,6 +34240,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33626,8 +34285,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3373class JSONBContains(Binary):
-3374    _sql_names = ["JSONB_CONTAINS"]
+            
    3402class JSONBContains(Binary):
+3403    _sql_names = ["JSONB_CONTAINS"]
 
    
 
 
@@ -33656,6 +34315,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33687,8 +34347,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3377class JSONExtract(Binary, Func):
-3378    _sql_names = ["JSON_EXTRACT"]
+            
    3406class JSONExtract(Binary, Func):
+3407    _sql_names = ["JSON_EXTRACT"]
 
    
 
 
@@ -33717,6 +34377,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33761,8 +34422,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3381class JSONExtractScalar(JSONExtract):
-3382    _sql_names = ["JSON_EXTRACT_SCALAR"]
+            
    3410class JSONExtractScalar(JSONExtract):
+3411    _sql_names = ["JSON_EXTRACT_SCALAR"]
 
    
 
 
@@ -33791,6 +34452,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33835,8 +34497,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3385class JSONBExtract(JSONExtract):
-3386    _sql_names = ["JSONB_EXTRACT"]
+            
    3414class JSONBExtract(JSONExtract):
+3415    _sql_names = ["JSONB_EXTRACT"]
 
    
 
 
@@ -33865,6 +34527,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33909,8 +34572,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3389class JSONBExtractScalar(JSONExtract):
-3390    _sql_names = ["JSONB_EXTRACT_SCALAR"]
+            
    3418class JSONBExtractScalar(JSONExtract):
+3419    _sql_names = ["JSONB_EXTRACT_SCALAR"]
 
    
 
 
@@ -33939,6 +34602,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -33983,9 +34647,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3393class Least(Func):
-3394    arg_types = {"this": True, "expressions": False}
-3395    is_var_len_args = True
+            
    3422class Least(Func):
+3423    arg_types = {"this": True, "expressions": False}
+3424    is_var_len_args = True
 
    
 
 
@@ -34014,6 +34678,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34058,8 +34723,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3398class Length(Func):
-3399    pass
+            
    3427class Length(Func):
+3428    pass
 
    
 
 
@@ -34088,6 +34753,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34132,14 +34798,14 @@ name is set to the expression's class name transformed to snake case.
    - 
    3402class Levenshtein(Func):
-3403    arg_types = {
-3404        "this": True,
-3405        "expression": False,
-3406        "ins_cost": False,
-3407        "del_cost": False,
-3408        "sub_cost": False,
-3409    }
+            
    3431class Levenshtein(Func):
+3432    arg_types = {
+3433        "this": True,
+3434        "expression": False,
+3435        "ins_cost": False,
+3436        "del_cost": False,
+3437        "sub_cost": False,
+3438    }
 
    
 
 
@@ -34168,6 +34834,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34212,8 +34879,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3412class Ln(Func):
-3413    pass
+            
    3441class Ln(Func):
+3442    pass
 
    
 
 
@@ -34242,6 +34909,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34286,8 +34954,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3416class Log(Func):
-3417    arg_types = {"this": True, "expression": False}
+            
    3445class Log(Func):
+3446    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -34316,6 +34984,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34360,8 +35029,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3420class Log2(Func):
-3421    pass
+            
    3449class Log2(Func):
+3450    pass
 
    
 
 
@@ -34390,6 +35059,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34434,8 +35104,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3424class Log10(Func):
-3425    pass
+            
    3453class Log10(Func):
+3454    pass
 
    
 
 
@@ -34464,6 +35134,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34508,8 +35179,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3428class LogicalOr(AggFunc):
-3429    _sql_names = ["LOGICAL_OR", "BOOL_OR"]
+            
    3457class LogicalOr(AggFunc):
+3458    _sql_names = ["LOGICAL_OR", "BOOL_OR"]
 
    
 
 
@@ -34538,6 +35209,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34582,8 +35254,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3432class Lower(Func):
-3433    _sql_names = ["LOWER", "LCASE"]
+            
    3461class Lower(Func):
+3462    _sql_names = ["LOWER", "LCASE"]
 
    
 
 
@@ -34612,6 +35284,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34656,8 +35329,8 @@ name is set to the expression's class name transformed to snake case.
    - 
    3436class Map(Func):
-3437    arg_types = {"keys": False, "values": False}
+            
    3465class Map(Func):
+3466    arg_types = {"keys": False, "values": False}
 
    
 
 
@@ -34686,6 +35359,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34730,9 +35404,9 @@ name is set to the expression's class name transformed to snake case.
    - 
    3440class VarMap(Func):
-3441    arg_types = {"keys": True, "values": True}
-3442    is_var_len_args = True
+            
    3469class VarMap(Func):
+3470    arg_types = {"keys": True, "values": True}
+3471    is_var_len_args = True
 
    
 
 
@@ -34761,6 +35435,7 @@ name is set to the expression's class name transformed to snake case.
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34805,14 +35480,14 @@ name is set to the expression's class name transformed to snake case.
    - 
    3445class Matches(Func):
-3446    """Oracle/Snowflake decode.
-3447    https://docs.oracle.com/cd/B19306_01/server.102/b14200/functions040.htm
-3448    Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
-3449    """
-3450
-3451    arg_types = {"this": True, "expressions": True}
-3452    is_var_len_args = True
+            
    3474class Matches(Func):
+3475    """Oracle/Snowflake decode.
+3476    https://docs.oracle.com/cd/B19306_01/server.102/b14200/functions040.htm
+3477    Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
+3478    """
+3479
+3480    arg_types = {"this": True, "expressions": True}
+3481    is_var_len_args = True
 
    
 
 
@@ -34845,6 +35520,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34889,8 +35565,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3455class Max(AggFunc):
-3456    arg_types = {"this": True, "expression": False}
+            
    3484class Max(AggFunc):
+3485    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -34919,6 +35595,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -34963,8 +35640,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3459class Min(AggFunc):
-3460    arg_types = {"this": True, "expression": False}
+            
    3488class Min(AggFunc):
+3489    arg_types = {"this": True, "expression": False}
 
    
 
 
@@ -34993,6 +35670,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35037,8 +35715,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3463class Month(Func):
-3464    pass
+            
    3492class Month(Func):
+3493    pass
 
    
 
 
@@ -35067,6 +35745,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35111,8 +35790,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3467class Nvl2(Func):
-3468    arg_types = {"this": True, "true": True, "false": False}
+            
    3496class Nvl2(Func):
+3497    arg_types = {"this": True, "true": True, "false": False}
 
    
 
 
@@ -35141,6 +35820,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35185,8 +35865,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3471class Posexplode(Func):
-3472    pass
+            
    3500class Posexplode(Func):
+3501    pass
 
    
 
 
@@ -35215,6 +35895,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35259,8 +35940,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3475class Pow(Binary, Func):
-3476    _sql_names = ["POWER", "POW"]
+            
    3504class Pow(Binary, Func):
+3505    _sql_names = ["POWER", "POW"]
 
    
 
 
@@ -35289,6 +35970,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35333,8 +36015,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3479class PercentileCont(AggFunc):
-3480    pass
+            
    3508class PercentileCont(AggFunc):
+3509    pass
 
    
 
 
@@ -35363,6 +36045,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35407,8 +36090,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3483class PercentileDisc(AggFunc):
-3484    pass
+            
    3512class PercentileDisc(AggFunc):
+3513    pass
 
    
 
 
@@ -35437,6 +36120,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35481,8 +36165,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3487class Quantile(AggFunc):
-3488    arg_types = {"this": True, "quantile": True}
+            
    3516class Quantile(AggFunc):
+3517    arg_types = {"this": True, "quantile": True}
 
    
 
 
@@ -35511,6 +36195,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35555,8 +36240,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3493class Quantiles(AggFunc):
-3494    arg_types = {"parameters": True, "expressions": True}
+            
    3522class Quantiles(AggFunc):
+3523    arg_types = {"parameters": True, "expressions": True}
 
    
 
 
@@ -35585,6 +36270,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35629,8 +36315,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3497class QuantileIf(AggFunc):
-3498    arg_types = {"parameters": True, "expressions": True}
+            
    3526class QuantileIf(AggFunc):
+3527    arg_types = {"parameters": True, "expressions": True}
 
    
 
 
@@ -35659,6 +36345,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35703,8 +36390,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3501class ApproxQuantile(Quantile):
-3502    arg_types = {"this": True, "quantile": True, "accuracy": False, "weight": False}
+            
    3530class ApproxQuantile(Quantile):
+3531    arg_types = {"this": True, "quantile": True, "accuracy": False, "weight": False}
 
    
 
 
@@ -35733,6 +36420,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35762,6 +36450,81 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    or_
    
                 
    not_
    
 
+
    + + + +
    + +
    + + class + RangeN(Func): + + + +
    + + 
    3534class RangeN(Func):
+3535    arg_types = {"this": True, "expressions": True, "each": False}
+
    + + + + +
    +
    Inherited Members
    +
    + + +
    @@ -35777,10 +36540,10 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)

    - 
    3505class ReadCSV(Func):
-3506    _sql_names = ["READ_CSV"]
-3507    is_var_len_args = True
-3508    arg_types = {"this": True, "expressions": False}
+            
    3538class ReadCSV(Func):
+3539    _sql_names = ["READ_CSV"]
+3540    is_var_len_args = True
+3541    arg_types = {"this": True, "expressions": False}
 
    
 
 
@@ -35809,6 +36572,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35853,8 +36617,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3511class Reduce(Func):
-3512    arg_types = {"this": True, "initial": True, "merge": True, "finish": False}
+            
    3544class Reduce(Func):
+3545    arg_types = {"this": True, "initial": True, "merge": True, "finish": False}
 
    
 
 
@@ -35883,6 +36647,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -35927,14 +36692,14 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3515class RegexpExtract(Func):
-3516    arg_types = {
-3517        "this": True,
-3518        "expression": True,
-3519        "position": False,
-3520        "occurrence": False,
-3521        "group": False,
-3522    }
+            
    3548class RegexpExtract(Func):
+3549    arg_types = {
+3550        "this": True,
+3551        "expression": True,
+3552        "position": False,
+3553        "occurrence": False,
+3554        "group": False,
+3555    }
 
    
 
 
@@ -35963,6 +36728,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36007,8 +36773,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3525class RegexpLike(Func):
-3526    arg_types = {"this": True, "expression": True, "flag": False}
+            
    3558class RegexpLike(Func):
+3559    arg_types = {"this": True, "expression": True, "flag": False}
 
    
 
 
@@ -36037,6 +36803,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36081,8 +36848,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3529class RegexpILike(Func):
-3530    arg_types = {"this": True, "expression": True, "flag": False}
+            
    3562class RegexpILike(Func):
+3563    arg_types = {"this": True, "expression": True, "flag": False}
 
    
 
 
@@ -36111,6 +36878,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36155,8 +36923,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3533class RegexpSplit(Func):
-3534    arg_types = {"this": True, "expression": True}
+            
    3566class RegexpSplit(Func):
+3567    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -36185,6 +36953,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36229,8 +36998,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3537class Repeat(Func):
-3538    arg_types = {"this": True, "times": True}
+            
    3570class Repeat(Func):
+3571    arg_types = {"this": True, "times": True}
 
    
 
 
@@ -36259,6 +37028,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36303,8 +37073,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3541class Round(Func):
-3542    arg_types = {"this": True, "decimals": False}
+            
    3574class Round(Func):
+3575    arg_types = {"this": True, "decimals": False}
 
    
 
 
@@ -36333,6 +37103,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36377,8 +37148,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3545class RowNumber(Func):
-3546    arg_types: t.Dict[str, t.Any] = {}
+            
    3578class RowNumber(Func):
+3579    arg_types: t.Dict[str, t.Any] = {}
 
    
 
 
@@ -36407,6 +37178,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36451,8 +37223,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3549class SafeDivide(Func):
-3550    arg_types = {"this": True, "expression": True}
+            
    3582class SafeDivide(Func):
+3583    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -36481,6 +37253,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36525,8 +37298,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3553class SetAgg(AggFunc):
-3554    pass
+            
    3586class SetAgg(AggFunc):
+3587    pass
 
    
 
 
@@ -36555,6 +37328,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36599,8 +37373,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3557class SortArray(Func):
-3558    arg_types = {"this": True, "asc": False}
+            
    3590class SortArray(Func):
+3591    arg_types = {"this": True, "asc": False}
 
    
 
 
@@ -36629,6 +37403,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36673,8 +37448,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3561class Split(Func):
-3562    arg_types = {"this": True, "expression": True, "limit": False}
+            
    3594class Split(Func):
+3595    arg_types = {"this": True, "expression": True, "limit": False}
 
    
 
 
@@ -36703,6 +37478,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36747,8 +37523,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3567class Substring(Func):
-3568    arg_types = {"this": True, "start": False, "length": False}
+            
    3600class Substring(Func):
+3601    arg_types = {"this": True, "start": False, "length": False}
 
    
 
 
@@ -36777,6 +37553,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36821,13 +37598,13 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3571class StrPosition(Func):
-3572    arg_types = {
-3573        "this": True,
-3574        "substr": True,
-3575        "position": False,
-3576        "instance": False,
-3577    }
+            
    3604class StrPosition(Func):
+3605    arg_types = {
+3606        "this": True,
+3607        "substr": True,
+3608        "position": False,
+3609        "instance": False,
+3610    }
 
    
 
 
@@ -36856,6 +37633,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36900,8 +37678,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3580class StrToDate(Func):
-3581    arg_types = {"this": True, "format": True}
+            
    3613class StrToDate(Func):
+3614    arg_types = {"this": True, "format": True}
 
    
 
 
@@ -36930,6 +37708,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -36974,8 +37753,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3584class StrToTime(Func):
-3585    arg_types = {"this": True, "format": True}
+            
    3617class StrToTime(Func):
+3618    arg_types = {"this": True, "format": True}
 
    
 
 
@@ -37004,6 +37783,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37048,8 +37828,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3590class StrToUnix(Func):
-3591    arg_types = {"this": False, "format": False}
+            
    3623class StrToUnix(Func):
+3624    arg_types = {"this": False, "format": False}
 
    
 
 
@@ -37078,6 +37858,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37122,8 +37903,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3594class NumberToStr(Func):
-3595    arg_types = {"this": True, "format": True}
+            
    3627class NumberToStr(Func):
+3628    arg_types = {"this": True, "format": True}
 
    
 
 
@@ -37152,6 +37933,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37196,9 +37978,9 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3598class Struct(Func):
-3599    arg_types = {"expressions": True}
-3600    is_var_len_args = True
+            
    3631class Struct(Func):
+3632    arg_types = {"expressions": True}
+3633    is_var_len_args = True
 
    
 
 
@@ -37227,6 +38009,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37271,8 +38054,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3603class StructExtract(Func):
-3604    arg_types = {"this": True, "expression": True}
+            
    3636class StructExtract(Func):
+3637    arg_types = {"this": True, "expression": True}
 
    
 
 
@@ -37301,6 +38084,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37345,8 +38129,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3607class Sum(AggFunc):
-3608    pass
+            
    3640class Sum(AggFunc):
+3641    pass
 
    
 
 
@@ -37375,6 +38159,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37419,8 +38204,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3611class Sqrt(Func):
-3612    pass
+            
    3644class Sqrt(Func):
+3645    pass
 
    
 
 
@@ -37449,6 +38234,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37493,8 +38279,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3615class Stddev(AggFunc):
-3616    pass
+            
    3648class Stddev(AggFunc):
+3649    pass
 
    
 
 
@@ -37523,6 +38309,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37567,8 +38354,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3619class StddevPop(AggFunc):
-3620    pass
+            
    3652class StddevPop(AggFunc):
+3653    pass
 
    
 
 
@@ -37597,6 +38384,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37641,8 +38429,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3623class StddevSamp(AggFunc):
-3624    pass
+            
    3656class StddevSamp(AggFunc):
+3657    pass
 
    
 
 
@@ -37671,6 +38459,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37715,8 +38504,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3627class TimeToStr(Func):
-3628    arg_types = {"this": True, "format": True}
+            
    3660class TimeToStr(Func):
+3661    arg_types = {"this": True, "format": True}
 
    
 
 
@@ -37745,6 +38534,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37789,8 +38579,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3631class TimeToTimeStr(Func):
-3632    pass
+            
    3664class TimeToTimeStr(Func):
+3665    pass
 
    
 
 
@@ -37819,6 +38609,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37863,8 +38654,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3635class TimeToUnix(Func):
-3636    pass
+            
    3668class TimeToUnix(Func):
+3669    pass
 
    
 
 
@@ -37893,6 +38684,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -37937,8 +38729,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3639class TimeStrToDate(Func):
-3640    pass
+            
    3672class TimeStrToDate(Func):
+3673    pass
 
    
 
 
@@ -37967,6 +38759,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38011,8 +38804,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3643class TimeStrToTime(Func):
-3644    pass
+            
    3676class TimeStrToTime(Func):
+3677    pass
 
    
 
 
@@ -38041,6 +38834,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38085,8 +38879,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3647class TimeStrToUnix(Func):
-3648    pass
+            
    3680class TimeStrToUnix(Func):
+3681    pass
 
    
 
 
@@ -38115,6 +38909,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38159,13 +38954,13 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3651class Trim(Func):
-3652    arg_types = {
-3653        "this": True,
-3654        "expression": False,
-3655        "position": False,
-3656        "collation": False,
-3657    }
+            
    3684class Trim(Func):
+3685    arg_types = {
+3686        "this": True,
+3687        "expression": False,
+3688        "position": False,
+3689        "collation": False,
+3690    }
 
    
 
 
@@ -38194,6 +38989,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38238,8 +39034,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3660class TsOrDsAdd(Func, TimeUnit):
-3661    arg_types = {"this": True, "expression": True, "unit": False}
+            
    3693class TsOrDsAdd(Func, TimeUnit):
+3694    arg_types = {"this": True, "expression": True, "unit": False}
 
    
 
 
@@ -38284,6 +39080,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38315,8 +39112,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3664class TsOrDsToDateStr(Func):
-3665    pass
+            
    3697class TsOrDsToDateStr(Func):
+3698    pass
 
    
 
 
@@ -38345,6 +39142,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38389,8 +39187,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3668class TsOrDsToDate(Func):
-3669    arg_types = {"this": True, "format": False}
+            
    3701class TsOrDsToDate(Func):
+3702    arg_types = {"this": True, "format": False}
 
    
 
 
@@ -38419,6 +39217,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38463,8 +39262,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3672class TsOrDiToDi(Func):
-3673    pass
+            
    3705class TsOrDiToDi(Func):
+3706    pass
 
    
 
 
@@ -38493,6 +39292,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38537,8 +39337,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3676class Unhex(Func):
-3677    pass
+            
    3709class Unhex(Func):
+3710    pass
 
    
 
 
@@ -38567,6 +39367,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38611,8 +39412,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3680class UnixToStr(Func):
-3681    arg_types = {"this": True, "format": False}
+            
    3713class UnixToStr(Func):
+3714    arg_types = {"this": True, "format": False}
 
    
 
 
@@ -38641,6 +39442,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38685,12 +39487,12 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3686class UnixToTime(Func):
-3687    arg_types = {"this": True, "scale": False, "zone": False, "hours": False, "minutes": False}
-3688
-3689    SECONDS = Literal.string("seconds")
-3690    MILLIS = Literal.string("millis")
-3691    MICROS = Literal.string("micros")
+            
    3719class UnixToTime(Func):
+3720    arg_types = {"this": True, "scale": False, "zone": False, "hours": False, "minutes": False}
+3721
+3722    SECONDS = Literal.string("seconds")
+3723    MILLIS = Literal.string("millis")
+3724    MICROS = Literal.string("micros")
 
    
 
 
@@ -38719,6 +39521,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38763,8 +39566,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3694class UnixToTimeStr(Func):
-3695    pass
+            
    3727class UnixToTimeStr(Func):
+3728    pass
 
    
 
 
@@ -38793,6 +39596,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38837,8 +39641,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3698class Upper(Func):
-3699    _sql_names = ["UPPER", "UCASE"]
+            
    3731class Upper(Func):
+3732    _sql_names = ["UPPER", "UCASE"]
 
    
 
 
@@ -38867,6 +39671,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38911,8 +39716,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3702class Variance(AggFunc):
-3703    _sql_names = ["VARIANCE", "VARIANCE_SAMP", "VAR_SAMP"]
+            
    3735class Variance(AggFunc):
+3736    _sql_names = ["VARIANCE", "VARIANCE_SAMP", "VAR_SAMP"]
 
    
 
 
@@ -38941,6 +39746,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -38985,8 +39791,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3706class VariancePop(AggFunc):
-3707    _sql_names = ["VARIANCE_POP", "VAR_POP"]
+            
    3739class VariancePop(AggFunc):
+3740    _sql_names = ["VARIANCE_POP", "VAR_POP"]
 
    
 
 
@@ -39015,6 +39821,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -39059,8 +39866,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3710class Week(Func):
-3711    arg_types = {"this": True, "mode": False}
+            
    3743class Week(Func):
+3744    arg_types = {"this": True, "mode": False}
 
    
 
 
@@ -39089,6 +39896,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -39133,8 +39941,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3714class XMLTable(Func):
-3715    arg_types = {"this": True, "passing": False, "columns": False, "by_ref": False}
+            
    3747class XMLTable(Func):
+3748    arg_types = {"this": True, "passing": False, "columns": False, "by_ref": False}
 
    
 
 
@@ -39163,6 +39971,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -39207,8 +40016,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3718class Year(Func):
-3719    pass
+            
    3751class Year(Func):
+3752    pass
 
    
 
 
@@ -39237,6 +40046,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -39281,8 +40091,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3722class Use(Expression):
-3723    arg_types = {"this": True, "kind": False}
+            
    3755class Use(Expression):
+3756    arg_types = {"this": True, "kind": False}
 
    
 
 
@@ -39311,6 +40121,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -39342,8 +40153,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3726class Merge(Expression):
-3727    arg_types = {"this": True, "using": True, "on": True, "expressions": True}
+            
    3759class Merge(Expression):
+3760    arg_types = {"this": True, "using": True, "on": True, "expressions": True}
 
    
 
 
@@ -39372,6 +40183,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -39403,8 +40215,8 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3730class When(Func):
-3731    arg_types = {"this": True, "then": True}
+            
    3763class When(Func):
+3764    arg_types = {"this": True, "then": True}
 
    
 
 
@@ -39433,6 +40245,7 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    
                 
    find_all
    
                 
    find_ancestor
    
                 
    parent_select
    
+                
    root
    
                 
    walk
    
                 
    dfs
    
                 
    bfs
    
@@ -39477,48 +40290,48 @@ Pattern matching MATCHES(value, search1, result1, ...searchN, resultN, else)
    - 
    3759def maybe_parse(
-3760    sql_or_expression: str | Expression,
-3761    *,
-3762    into: t.Optional[IntoType] = None,
-3763    dialect: DialectType = None,
-3764    prefix: t.Optional[str] = None,
-3765    copy: bool = False,
-3766    **opts,
-3767) -> Expression:
-3768    """Gracefully handle a possible string or expression.
-3769
-3770    Example:
-3771        >>> maybe_parse("1")
-3772        (LITERAL this: 1, is_string: False)
-3773        >>> maybe_parse(to_identifier("x"))
-3774        (IDENTIFIER this: x, quoted: False)
-3775
-3776    Args:
-3777        sql_or_expression: the SQL code string or an expression
-3778        into: the SQLGlot Expression to parse into
-3779        dialect: the dialect used to parse the input expressions (in the case that an
-3780            input expression is a SQL string).
-3781        prefix: a string to prefix the sql with before it gets parsed
-3782            (automatically includes a space)
-3783        copy: whether or not to copy the expression.
-3784        **opts: other options to use to parse the input expressions (again, in the case
-3785            that an input expression is a SQL string).
-3786
-3787    Returns:
-3788        Expression: the parsed or given expression.
-3789    """
-3790    if isinstance(sql_or_expression, Expression):
-3791        if copy:
-3792            return sql_or_expression.copy()
-3793        return sql_or_expression
-3794
-3795    import sqlglot
-3796
-3797    sql = str(sql_or_expression)
-3798    if prefix:
-3799        sql = f"{prefix} {sql}"
-3800    return sqlglot.parse_one(sql, read=dialect, into=into, **opts)
+            
    3792def maybe_parse(
+3793    sql_or_expression: str | Expression,
+3794    *,
+3795    into: t.Optional[IntoType] = None,
+3796    dialect: DialectType = None,
+3797    prefix: t.Optional[str] = None,
+3798    copy: bool = False,
+3799    **opts,
+3800) -> Expression:
+3801    """Gracefully handle a possible string or expression.
+3802
+3803    Example:
+3804        >>> maybe_parse("1")
+3805        (LITERAL this: 1, is_string: False)
+3806        >>> maybe_parse(to_identifier("x"))
+3807        (IDENTIFIER this: x, quoted: False)
+3808
+3809    Args:
+3810        sql_or_expression: the SQL code string or an expression
+3811        into: the SQLGlot Expression to parse into
+3812        dialect: the dialect used to parse the input expressions (in the case that an
+3813            input expression is a SQL string).
+3814        prefix: a string to prefix the sql with before it gets parsed
+3815            (automatically includes a space)
+3816        copy: whether or not to copy the expression.
+3817        **opts: other options to use to parse the input expressions (again, in the case
+3818            that an input expression is a SQL string).
+3819
+3820    Returns:
+3821        Expression: the parsed or given expression.
+3822    """
+3823    if isinstance(sql_or_expression, Expression):
+3824        if copy:
+3825            return sql_or_expression.copy()
+3826        return sql_or_expression
+3827
+3828    import sqlglot
+3829
+3830    sql = str(sql_or_expression)
+3831    if prefix:
+3832        sql = f"{prefix} {sql}"
+3833    return sqlglot.parse_one(sql, read=dialect, into=into, **opts)
 
    
 
 
@@ -39570,29 +40383,29 @@ that an input expression is a SQL string).
    - 
    3946def union(left, right, distinct=True, dialect=None, **opts):
-3947    """
-3948    Initializes a syntax tree from one UNION expression.
-3949
-3950    Example:
-3951        >>> union("SELECT * FROM foo", "SELECT * FROM bla").sql()
-3952        'SELECT * FROM foo UNION SELECT * FROM bla'
-3953
-3954    Args:
-3955        left (str | Expression): the SQL code string corresponding to the left-hand side.
-3956            If an `Expression` instance is passed, it will be used as-is.
-3957        right (str | Expression): the SQL code string corresponding to the right-hand side.
-3958            If an `Expression` instance is passed, it will be used as-is.
-3959        distinct (bool): set the DISTINCT flag if and only if this is true.
-3960        dialect (str): the dialect used to parse the input expression.
-3961        opts (kwargs): other options to use to parse the input expressions.
-3962    Returns:
-3963        Union: the syntax tree for the UNION expression.
-3964    """
-3965    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
-3966    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
-3967
-3968    return Union(this=left, expression=right, distinct=distinct)
+            
    3979def union(left, right, distinct=True, dialect=None, **opts):
+3980    """
+3981    Initializes a syntax tree from one UNION expression.
+3982
+3983    Example:
+3984        >>> union("SELECT * FROM foo", "SELECT * FROM bla").sql()
+3985        'SELECT * FROM foo UNION SELECT * FROM bla'
+3986
+3987    Args:
+3988        left (str | Expression): the SQL code string corresponding to the left-hand side.
+3989            If an `Expression` instance is passed, it will be used as-is.
+3990        right (str | Expression): the SQL code string corresponding to the right-hand side.
+3991            If an `Expression` instance is passed, it will be used as-is.
+3992        distinct (bool): set the DISTINCT flag if and only if this is true.
+3993        dialect (str): the dialect used to parse the input expression.
+3994        opts (kwargs): other options to use to parse the input expressions.
+3995    Returns:
+3996        Union: the syntax tree for the UNION expression.
+3997    """
+3998    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
+3999    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
+4000
+4001    return Union(this=left, expression=right, distinct=distinct)
 
    
 
 
@@ -39640,29 +40453,29 @@ If an Expression instance is passed, it w
    - 
    3971def intersect(left, right, distinct=True, dialect=None, **opts):
-3972    """
-3973    Initializes a syntax tree from one INTERSECT expression.
-3974
-3975    Example:
-3976        >>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql()
-3977        'SELECT * FROM foo INTERSECT SELECT * FROM bla'
-3978
-3979    Args:
-3980        left (str | Expression): the SQL code string corresponding to the left-hand side.
-3981            If an `Expression` instance is passed, it will be used as-is.
-3982        right (str | Expression): the SQL code string corresponding to the right-hand side.
-3983            If an `Expression` instance is passed, it will be used as-is.
-3984        distinct (bool): set the DISTINCT flag if and only if this is true.
-3985        dialect (str): the dialect used to parse the input expression.
-3986        opts (kwargs): other options to use to parse the input expressions.
-3987    Returns:
-3988        Intersect: the syntax tree for the INTERSECT expression.
-3989    """
-3990    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
-3991    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
-3992
-3993    return Intersect(this=left, expression=right, distinct=distinct)
+            
    4004def intersect(left, right, distinct=True, dialect=None, **opts):
+4005    """
+4006    Initializes a syntax tree from one INTERSECT expression.
+4007
+4008    Example:
+4009        >>> intersect("SELECT * FROM foo", "SELECT * FROM bla").sql()
+4010        'SELECT * FROM foo INTERSECT SELECT * FROM bla'
+4011
+4012    Args:
+4013        left (str | Expression): the SQL code string corresponding to the left-hand side.
+4014            If an `Expression` instance is passed, it will be used as-is.
+4015        right (str | Expression): the SQL code string corresponding to the right-hand side.
+4016            If an `Expression` instance is passed, it will be used as-is.
+4017        distinct (bool): set the DISTINCT flag if and only if this is true.
+4018        dialect (str): the dialect used to parse the input expression.
+4019        opts (kwargs): other options to use to parse the input expressions.
+4020    Returns:
+4021        Intersect: the syntax tree for the INTERSECT expression.
+4022    """
+4023    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
+4024    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
+4025
+4026    return Intersect(this=left, expression=right, distinct=distinct)
 
    
 
 
@@ -39710,29 +40523,29 @@ If an Expression instance is passed, it w
    - 
    3996def except_(left, right, distinct=True, dialect=None, **opts):
-3997    """
-3998    Initializes a syntax tree from one EXCEPT expression.
-3999
-4000    Example:
-4001        >>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql()
-4002        'SELECT * FROM foo EXCEPT SELECT * FROM bla'
-4003
-4004    Args:
-4005        left (str | Expression): the SQL code string corresponding to the left-hand side.
-4006            If an `Expression` instance is passed, it will be used as-is.
-4007        right (str | Expression): the SQL code string corresponding to the right-hand side.
-4008            If an `Expression` instance is passed, it will be used as-is.
-4009        distinct (bool): set the DISTINCT flag if and only if this is true.
-4010        dialect (str): the dialect used to parse the input expression.
-4011        opts (kwargs): other options to use to parse the input expressions.
-4012    Returns:
-4013        Except: the syntax tree for the EXCEPT statement.
-4014    """
-4015    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
-4016    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
-4017
-4018    return Except(this=left, expression=right, distinct=distinct)
+            
    4029def except_(left, right, distinct=True, dialect=None, **opts):
+4030    """
+4031    Initializes a syntax tree from one EXCEPT expression.
+4032
+4033    Example:
+4034        >>> except_("SELECT * FROM foo", "SELECT * FROM bla").sql()
+4035        'SELECT * FROM foo EXCEPT SELECT * FROM bla'
+4036
+4037    Args:
+4038        left (str | Expression): the SQL code string corresponding to the left-hand side.
+4039            If an `Expression` instance is passed, it will be used as-is.
+4040        right (str | Expression): the SQL code string corresponding to the right-hand side.
+4041            If an `Expression` instance is passed, it will be used as-is.
+4042        distinct (bool): set the DISTINCT flag if and only if this is true.
+4043        dialect (str): the dialect used to parse the input expression.
+4044        opts (kwargs): other options to use to parse the input expressions.
+4045    Returns:
+4046        Except: the syntax tree for the EXCEPT statement.
+4047    """
+4048    left = maybe_parse(sql_or_expression=left, dialect=dialect, **opts)
+4049    right = maybe_parse(sql_or_expression=right, dialect=dialect, **opts)
+4050
+4051    return Except(this=left, expression=right, distinct=distinct)
 
    
 
 
@@ -39780,26 +40593,26 @@ If an Expression instance is passed, it w
    - 
    4021def select(*expressions: str | Expression, dialect: DialectType = None, **opts) -> Select:
-4022    """
-4023    Initializes a syntax tree from one or multiple SELECT expressions.
-4024
-4025    Example:
-4026        >>> select("col1", "col2").from_("tbl").sql()
-4027        'SELECT col1, col2 FROM tbl'
-4028
-4029    Args:
-4030        *expressions: the SQL code string to parse as the expressions of a
-4031            SELECT statement. If an Expression instance is passed, this is used as-is.
-4032        dialect: the dialect used to parse the input expressions (in the case that an
-4033            input expression is a SQL string).
-4034        **opts: other options to use to parse the input expressions (again, in the case
-4035            that an input expression is a SQL string).
-4036
-4037    Returns:
-4038        Select: the syntax tree for the SELECT statement.
-4039    """
-4040    return Select().select(*expressions, dialect=dialect, **opts)
+            
    4054def select(*expressions: str | Expression, dialect: DialectType = None, **opts) -> Select:
+4055    """
+4056    Initializes a syntax tree from one or multiple SELECT expressions.
+4057
+4058    Example:
+4059        >>> select("col1", "col2").from_("tbl").sql()
+4060        'SELECT col1, col2 FROM tbl'
+4061
+4062    Args:
+4063        *expressions: the SQL code string to parse as the expressions of a
+4064            SELECT statement. If an Expression instance is passed, this is used as-is.
+4065        dialect: the dialect used to parse the input expressions (in the case that an
+4066            input expression is a SQL string).
+4067        **opts: other options to use to parse the input expressions (again, in the case
+4068            that an input expression is a SQL string).
+4069
+4070    Returns:
+4071        Select: the syntax tree for the SELECT statement.
+4072    """
+4073    return Select().select(*expressions, dialect=dialect, **opts)
 
    
 
 
@@ -39846,26 +40659,26 @@ that an input expression is a SQL string).
    - 
    4043def from_(*expressions, dialect=None, **opts) -> Select:
-4044    """
-4045    Initializes a syntax tree from a FROM expression.
-4046
-4047    Example:
-4048        >>> from_("tbl").select("col1", "col2").sql()
-4049        'SELECT col1, col2 FROM tbl'
-4050
-4051    Args:
-4052        *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a
-4053            SELECT statement. If an Expression instance is passed, this is used as-is.
-4054        dialect (str): the dialect used to parse the input expression (in the case that the
-4055            input expression is a SQL string).
-4056        **opts: other options to use to parse the input expressions (again, in the case
-4057            that the input expression is a SQL string).
-4058
-4059    Returns:
-4060        Select: the syntax tree for the SELECT statement.
-4061    """
-4062    return Select().from_(*expressions, dialect=dialect, **opts)
+            
    4076def from_(*expressions, dialect=None, **opts) -> Select:
+4077    """
+4078    Initializes a syntax tree from a FROM expression.
+4079
+4080    Example:
+4081        >>> from_("tbl").select("col1", "col2").sql()
+4082        'SELECT col1, col2 FROM tbl'
+4083
+4084    Args:
+4085        *expressions (str | Expression): the SQL code string to parse as the FROM expressions of a
+4086            SELECT statement. If an Expression instance is passed, this is used as-is.
+4087        dialect (str): the dialect used to parse the input expression (in the case that the
+4088            input expression is a SQL string).
+4089        **opts: other options to use to parse the input expressions (again, in the case
+4090            that the input expression is a SQL string).
+4091
+4092    Returns:
+4093        Select: the syntax tree for the SELECT statement.
+4094    """
+4095    return Select().from_(*expressions, dialect=dialect, **opts)
 
    
 
 
@@ -39912,46 +40725,46 @@ that the input expression is a SQL string).
    - 
    4065def update(table, properties, where=None, from_=None, dialect=None, **opts) -> Update:
-4066    """
-4067    Creates an update statement.
-4068
-4069    Example:
-4070        >>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql()
-4071        "UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1"
-4072
-4073    Args:
-4074        *properties (Dict[str, Any]): dictionary of properties to set which are
-4075            auto converted to sql objects eg None -> NULL
-4076        where (str): sql conditional parsed into a WHERE statement
-4077        from_ (str): sql statement parsed into a FROM statement
-4078        dialect (str): the dialect used to parse the input expressions.
-4079        **opts: other options to use to parse the input expressions.
-4080
-4081    Returns:
-4082        Update: the syntax tree for the UPDATE statement.
-4083    """
-4084    update = Update(this=maybe_parse(table, into=Table, dialect=dialect))
-4085    update.set(
-4086        "expressions",
-4087        [
-4088            EQ(this=maybe_parse(k, dialect=dialect, **opts), expression=convert(v))
-4089            for k, v in properties.items()
-4090        ],
-4091    )
-4092    if from_:
-4093        update.set(
-4094            "from",
-4095            maybe_parse(from_, into=From, dialect=dialect, prefix="FROM", **opts),
-4096        )
-4097    if isinstance(where, Condition):
-4098        where = Where(this=where)
-4099    if where:
-4100        update.set(
-4101            "where",
-4102            maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts),
-4103        )
-4104    return update
+            
    4098def update(table, properties, where=None, from_=None, dialect=None, **opts) -> Update:
+4099    """
+4100    Creates an update statement.
+4101
+4102    Example:
+4103        >>> update("my_table", {"x": 1, "y": "2", "z": None}, from_="baz", where="id > 1").sql()
+4104        "UPDATE my_table SET x = 1, y = '2', z = NULL FROM baz WHERE id > 1"
+4105
+4106    Args:
+4107        *properties (Dict[str, Any]): dictionary of properties to set which are
+4108            auto converted to sql objects eg None -> NULL
+4109        where (str): sql conditional parsed into a WHERE statement
+4110        from_ (str): sql statement parsed into a FROM statement
+4111        dialect (str): the dialect used to parse the input expressions.
+4112        **opts: other options to use to parse the input expressions.
+4113
+4114    Returns:
+4115        Update: the syntax tree for the UPDATE statement.
+4116    """
+4117    update = Update(this=maybe_parse(table, into=Table, dialect=dialect))
+4118    update.set(
+4119        "expressions",
+4120        [
+4121            EQ(this=maybe_parse(k, dialect=dialect, **opts), expression=convert(v))
+4122            for k, v in properties.items()
+4123        ],
+4124    )
+4125    if from_:
+4126        update.set(
+4127            "from",
+4128            maybe_parse(from_, into=From, dialect=dialect, prefix="FROM", **opts),
+4129        )
+4130    if isinstance(where, Condition):
+4131        where = Where(this=where)
+4132    if where:
+4133        update.set(
+4134            "where",
+4135            maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts),
+4136        )
+4137    return update
 
    
 
 
@@ -39998,28 +40811,28 @@ auto converted to sql objects eg None -> NULL
    - 
    4107def delete(table, where=None, dialect=None, **opts) -> Delete:
-4108    """
-4109    Builds a delete statement.
-4110
-4111    Example:
-4112        >>> delete("my_table", where="id > 1").sql()
-4113        'DELETE FROM my_table WHERE id > 1'
-4114
-4115    Args:
-4116        where (str|Condition): sql conditional parsed into a WHERE statement
-4117        dialect (str): the dialect used to parse the input expressions.
-4118        **opts: other options to use to parse the input expressions.
-4119
-4120    Returns:
-4121        Delete: the syntax tree for the DELETE statement.
-4122    """
-4123    return Delete(
-4124        this=maybe_parse(table, into=Table, dialect=dialect, **opts),
-4125        where=Where(this=where)
-4126        if isinstance(where, Condition)
-4127        else maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts),
-4128    )
+            
    4140def delete(table, where=None, dialect=None, **opts) -> Delete:
+4141    """
+4142    Builds a delete statement.
+4143
+4144    Example:
+4145        >>> delete("my_table", where="id > 1").sql()
+4146        'DELETE FROM my_table WHERE id > 1'
+4147
+4148    Args:
+4149        where (str|Condition): sql conditional parsed into a WHERE statement
+4150        dialect (str): the dialect used to parse the input expressions.
+4151        **opts: other options to use to parse the input expressions.
+4152
+4153    Returns:
+4154        Delete: the syntax tree for the DELETE statement.
+4155    """
+4156    return Delete(
+4157        this=maybe_parse(table, into=Table, dialect=dialect, **opts),
+4158        where=Where(this=where)
+4159        if isinstance(where, Condition)
+4160        else maybe_parse(where, into=Where, dialect=dialect, prefix="WHERE", **opts),
+4161    )
 
    
 
 
@@ -40063,37 +40876,37 @@ auto converted to sql objects eg None -> NULL
    - 
    4131def condition(expression, dialect=None, **opts) -> Condition:
-4132    """
-4133    Initialize a logical condition expression.
-4134
-4135    Example:
-4136        >>> condition("x=1").sql()
-4137        'x = 1'
-4138
-4139        This is helpful for composing larger logical syntax trees:
-4140        >>> where = condition("x=1")
-4141        >>> where = where.and_("y=1")
-4142        >>> Select().from_("tbl").select("*").where(where).sql()
-4143        'SELECT * FROM tbl WHERE x = 1 AND y = 1'
-4144
-4145    Args:
-4146        *expression (str | Expression): the SQL code string to parse.
-4147            If an Expression instance is passed, this is used as-is.
-4148        dialect (str): the dialect used to parse the input expression (in the case that the
-4149            input expression is a SQL string).
-4150        **opts: other options to use to parse the input expressions (again, in the case
-4151            that the input expression is a SQL string).
-4152
-4153    Returns:
-4154        Condition: the expression
-4155    """
-4156    return maybe_parse(  # type: ignore
-4157        expression,
-4158        into=Condition,
-4159        dialect=dialect,
-4160        **opts,
-4161    )
+            
    4164def condition(expression, dialect=None, **opts) -> Condition:
+4165    """
+4166    Initialize a logical condition expression.
+4167
+4168    Example:
+4169        >>> condition("x=1").sql()
+4170        'x = 1'
+4171
+4172        This is helpful for composing larger logical syntax trees:
+4173        >>> where = condition("x=1")
+4174        >>> where = where.and_("y=1")
+4175        >>> Select().from_("tbl").select("*").where(where).sql()
+4176        'SELECT * FROM tbl WHERE x = 1 AND y = 1'
+4177
+4178    Args:
+4179        *expression (str | Expression): the SQL code string to parse.
+4180            If an Expression instance is passed, this is used as-is.
+4181        dialect (str): the dialect used to parse the input expression (in the case that the
+4182            input expression is a SQL string).
+4183        **opts: other options to use to parse the input expressions (again, in the case
+4184            that the input expression is a SQL string).
+4185
+4186    Returns:
+4187        Condition: the expression
+4188    """
+4189    return maybe_parse(  # type: ignore
+4190        expression,
+4191        into=Condition,
+4192        dialect=dialect,
+4193        **opts,
+4194    )
 
    
 
 
@@ -40150,24 +40963,24 @@ that the input expression is a SQL string).
    - 
    4164def and_(*expressions, dialect=None, **opts) -> And:
-4165    """
-4166    Combine multiple conditions with an AND logical operator.
-4167
-4168    Example:
-4169        >>> and_("x=1", and_("y=1", "z=1")).sql()
-4170        'x = 1 AND (y = 1 AND z = 1)'
-4171
-4172    Args:
-4173        *expressions (str | Expression): the SQL code strings to parse.
-4174            If an Expression instance is passed, this is used as-is.
-4175        dialect (str): the dialect used to parse the input expression.
-4176        **opts: other options to use to parse the input expressions.
-4177
-4178    Returns:
-4179        And: the new condition
-4180    """
-4181    return _combine(expressions, And, dialect, **opts)
+            
    4197def and_(*expressions, dialect=None, **opts) -> And:
+4198    """
+4199    Combine multiple conditions with an AND logical operator.
+4200
+4201    Example:
+4202        >>> and_("x=1", and_("y=1", "z=1")).sql()
+4203        'x = 1 AND (y = 1 AND z = 1)'
+4204
+4205    Args:
+4206        *expressions (str | Expression): the SQL code strings to parse.
+4207            If an Expression instance is passed, this is used as-is.
+4208        dialect (str): the dialect used to parse the input expression.
+4209        **opts: other options to use to parse the input expressions.
+4210
+4211    Returns:
+4212        And: the new condition
+4213    """
+4214    return _combine(expressions, And, dialect, **opts)
 
    
 
 
@@ -40212,24 +41025,24 @@ If an Expression instance is passed, this is used as-is.
    - 
    4184def or_(*expressions, dialect=None, **opts) -> Or:
-4185    """
-4186    Combine multiple conditions with an OR logical operator.
-4187
-4188    Example:
-4189        >>> or_("x=1", or_("y=1", "z=1")).sql()
-4190        'x = 1 OR (y = 1 OR z = 1)'
-4191
-4192    Args:
-4193        *expressions (str | Expression): the SQL code strings to parse.
-4194            If an Expression instance is passed, this is used as-is.
-4195        dialect (str): the dialect used to parse the input expression.
-4196        **opts: other options to use to parse the input expressions.
-4197
-4198    Returns:
-4199        Or: the new condition
-4200    """
-4201    return _combine(expressions, Or, dialect, **opts)
+            
    4217def or_(*expressions, dialect=None, **opts) -> Or:
+4218    """
+4219    Combine multiple conditions with an OR logical operator.
+4220
+4221    Example:
+4222        >>> or_("x=1", or_("y=1", "z=1")).sql()
+4223        'x = 1 OR (y = 1 OR z = 1)'
+4224
+4225    Args:
+4226        *expressions (str | Expression): the SQL code strings to parse.
+4227            If an Expression instance is passed, this is used as-is.
+4228        dialect (str): the dialect used to parse the input expression.
+4229        **opts: other options to use to parse the input expressions.
+4230
+4231    Returns:
+4232        Or: the new condition
+4233    """
+4234    return _combine(expressions, Or, dialect, **opts)
 
    
 
 
@@ -40274,29 +41087,29 @@ If an Expression instance is passed, this is used as-is.
    - 
    4204def not_(expression, dialect=None, **opts) -> Not:
-4205    """
-4206    Wrap a condition with a NOT operator.
-4207
-4208    Example:
-4209        >>> not_("this_suit='black'").sql()
-4210        "NOT this_suit = 'black'"
-4211
-4212    Args:
-4213        expression (str | Expression): the SQL code strings to parse.
-4214            If an Expression instance is passed, this is used as-is.
-4215        dialect (str): the dialect used to parse the input expression.
-4216        **opts: other options to use to parse the input expressions.
-4217
-4218    Returns:
-4219        Not: the new condition
-4220    """
-4221    this = condition(
-4222        expression,
-4223        dialect=dialect,
-4224        **opts,
-4225    )
-4226    return Not(this=_wrap_operator(this))
+            
    4237def not_(expression, dialect=None, **opts) -> Not:
+4238    """
+4239    Wrap a condition with a NOT operator.
+4240
+4241    Example:
+4242        >>> not_("this_suit='black'").sql()
+4243        "NOT this_suit = 'black'"
+4244
+4245    Args:
+4246        expression (str | Expression): the SQL code strings to parse.
+4247            If an Expression instance is passed, this is used as-is.
+4248        dialect (str): the dialect used to parse the input expression.
+4249        **opts: other options to use to parse the input expressions.
+4250
+4251    Returns:
+4252        Not: the new condition
+4253    """
+4254    this = condition(
+4255        expression,
+4256        dialect=dialect,
+4257        **opts,
+4258    )
+4259    return Not(this=_wrap_operator(this))
 
    
 
 
@@ -40341,8 +41154,8 @@ If an Expression instance is passed, this is used as-is.
    - 
    4229def paren(expression) -> Paren:
-4230    return Paren(this=expression)
+            
    4262def paren(expression) -> Paren:
+4263    return Paren(this=expression)
 
    
 
 
@@ -40360,30 +41173,30 @@ If an Expression instance is passed, this is used as-is.
    - 
    4246def to_identifier(name, quoted=None):
-4247    """Builds an identifier.
-4248
-4249    Args:
-4250        name: The name to turn into an identifier.
-4251        quoted: Whether or not force quote the identifier.
-4252
-4253    Returns:
-4254        The identifier ast node.
-4255    """
-4256
-4257    if name is None:
-4258        return None
-4259
-4260    if isinstance(name, Identifier):
-4261        identifier = name
-4262    elif isinstance(name, str):
-4263        identifier = Identifier(
-4264            this=name,
-4265            quoted=not re.match(SAFE_IDENTIFIER_RE, name) if quoted is None else quoted,
-4266        )
-4267    else:
-4268        raise ValueError(f"Name needs to be a string or an Identifier, got: {name.__class__}")
-4269    return identifier
+            
    4279def to_identifier(name, quoted=None):
+4280    """Builds an identifier.
+4281
+4282    Args:
+4283        name: The name to turn into an identifier.
+4284        quoted: Whether or not force quote the identifier.
+4285
+4286    Returns:
+4287        The identifier ast node.
+4288    """
+4289
+4290    if name is None:
+4291        return None
+4292
+4293    if isinstance(name, Identifier):
+4294        identifier = name
+4295    elif isinstance(name, str):
+4296        identifier = Identifier(
+4297            this=name,
+4298            quoted=not re.match(SAFE_IDENTIFIER_RE, name) if quoted is None else quoted,
+4299        )
+4300    else:
+4301        raise ValueError(f"Name needs to be a string or an Identifier, got: {name.__class__}")
+4302    return identifier
 
    
 
 
@@ -40416,23 +41229,23 @@ If an Expression instance is passed, this is used as-is.
    - 
    4275def to_interval(interval: str | Literal) -> Interval:
-4276    """Builds an interval expression from a string like '1 day' or '5 months'."""
-4277    if isinstance(interval, Literal):
-4278        if not interval.is_string:
-4279            raise ValueError("Invalid interval string.")
-4280
-4281        interval = interval.this
-4282
-4283    interval_parts = INTERVAL_STRING_RE.match(interval)  # type: ignore
-4284
-4285    if not interval_parts:
-4286        raise ValueError("Invalid interval string.")
-4287
-4288    return Interval(
-4289        this=Literal.string(interval_parts.group(1)),
-4290        unit=Var(this=interval_parts.group(2)),
-4291    )
+            
    4308def to_interval(interval: str | Literal) -> Interval:
+4309    """Builds an interval expression from a string like '1 day' or '5 months'."""
+4310    if isinstance(interval, Literal):
+4311        if not interval.is_string:
+4312            raise ValueError("Invalid interval string.")
+4313
+4314        interval = interval.this
+4315
+4316    interval_parts = INTERVAL_STRING_RE.match(interval)  # type: ignore
+4317
+4318    if not interval_parts:
+4319        raise ValueError("Invalid interval string.")
+4320
+4321    return Interval(
+4322        this=Literal.string(interval_parts.group(1)),
+4323        unit=Var(this=interval_parts.group(2)),
+4324    )
 
    
 
 
@@ -40452,24 +41265,24 @@ If an Expression instance is passed, this is used as-is.
    - 
    4304def to_table(sql_path: t.Optional[str | Table], **kwargs) -> t.Optional[Table]:
-4305    """
-4306    Create a table expression from a `[catalog].[schema].[table]` sql path. Catalog and schema are optional.
-4307    If a table is passed in then that table is returned.
-4308
-4309    Args:
-4310        sql_path: a `[catalog].[schema].[table]` string.
-4311
-4312    Returns:
-4313        A table expression.
-4314    """
-4315    if sql_path is None or isinstance(sql_path, Table):
-4316        return sql_path
-4317    if not isinstance(sql_path, str):
-4318        raise ValueError(f"Invalid type provided for a table: {type(sql_path)}")
-4319
-4320    catalog, db, table_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 3))
-4321    return Table(this=table_name, db=db, catalog=catalog, **kwargs)
+            
    4337def to_table(sql_path: t.Optional[str | Table], **kwargs) -> t.Optional[Table]:
+4338    """
+4339    Create a table expression from a `[catalog].[schema].[table]` sql path. Catalog and schema are optional.
+4340    If a table is passed in then that table is returned.
+4341
+4342    Args:
+4343        sql_path: a `[catalog].[schema].[table]` string.
+4344
+4345    Returns:
+4346        A table expression.
+4347    """
+4348    if sql_path is None or isinstance(sql_path, Table):
+4349        return sql_path
+4350    if not isinstance(sql_path, str):
+4351        raise ValueError(f"Invalid type provided for a table: {type(sql_path)}")
+4352
+4353    catalog, db, table_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 3))
+4354    return Table(this=table_name, db=db, catalog=catalog, **kwargs)
 
    
 
 
@@ -40502,23 +41315,23 @@ If a table is passed in then that table is returned.
    - 
    4324def to_column(sql_path: str | Column, **kwargs) -> Column:
-4325    """
-4326    Create a column from a `[table].[column]` sql path. Schema is optional.
-4327
-4328    If a column is passed in then that column is returned.
-4329
-4330    Args:
-4331        sql_path: `[table].[column]` string
-4332    Returns:
-4333        Table: A column expression
-4334    """
-4335    if sql_path is None or isinstance(sql_path, Column):
-4336        return sql_path
-4337    if not isinstance(sql_path, str):
-4338        raise ValueError(f"Invalid type provided for column: {type(sql_path)}")
-4339    table_name, column_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 2))
-4340    return Column(this=column_name, table=table_name, **kwargs)
+            
    4357def to_column(sql_path: str | Column, **kwargs) -> Column:
+4358    """
+4359    Create a column from a `[table].[column]` sql path. Schema is optional.
+4360
+4361    If a column is passed in then that column is returned.
+4362
+4363    Args:
+4364        sql_path: `[table].[column]` string
+4365    Returns:
+4366        Table: A column expression
+4367    """
+4368    if sql_path is None or isinstance(sql_path, Column):
+4369        return sql_path
+4370    if not isinstance(sql_path, str):
+4371        raise ValueError(f"Invalid type provided for column: {type(sql_path)}")
+4372    table_name, column_name = (to_identifier(x) for x in split_num_words(sql_path, ".", 2))
+4373    return Column(this=column_name, table=table_name, **kwargs)
 
    
 
 
@@ -40552,60 +41365,60 @@ If a table is passed in then that table is returned.
    - 
    4343def alias_(
-4344    expression: str | Expression,
-4345    alias: str | Identifier,
-4346    table: bool | t.Sequence[str | Identifier] = False,
-4347    quoted: t.Optional[bool] = None,
-4348    dialect: DialectType = None,
-4349    **opts,
-4350):
-4351    """Create an Alias expression.
-4352
-4353    Example:
-4354        >>> alias_('foo', 'bar').sql()
-4355        'foo AS bar'
-4356
-4357        >>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql()
-4358        '(SELECT 1, 2) AS bar(a, b)'
-4359
-4360    Args:
-4361        expression: the SQL code strings to parse.
-4362            If an Expression instance is passed, this is used as-is.
-4363        alias: the alias name to use. If the name has
-4364            special characters it is quoted.
-4365        table: Whether or not to create a table alias, can also be a list of columns.
-4366        quoted: whether or not to quote the alias
-4367        dialect: the dialect used to parse the input expression.
-4368        **opts: other options to use to parse the input expressions.
-4369
-4370    Returns:
-4371        Alias: the aliased expression
-4372    """
-4373    exp = maybe_parse(expression, dialect=dialect, **opts)
-4374    alias = to_identifier(alias, quoted=quoted)
-4375
-4376    if table:
-4377        table_alias = TableAlias(this=alias)
-4378        exp.set("alias", table_alias)
-4379
-4380        if not isinstance(table, bool):
-4381            for column in table:
-4382                table_alias.append("columns", to_identifier(column, quoted=quoted))
-4383
-4384        return exp
+            
    4376def alias_(
+4377    expression: str | Expression,
+4378    alias: str | Identifier,
+4379    table: bool | t.Sequence[str | Identifier] = False,
+4380    quoted: t.Optional[bool] = None,
+4381    dialect: DialectType = None,
+4382    **opts,
+4383):
+4384    """Create an Alias expression.
 4385
-4386    # We don't set the "alias" arg for Window expressions, because that would add an IDENTIFIER node in
-4387    # the AST, representing a "named_window" [1] construct (eg. bigquery). What we want is an ALIAS node
-4388    # for the complete Window expression.
-4389    #
-4390    # [1]: https://cloud.google.com/bigquery/docs/reference/standard-sql/window-function-calls
-4391
-4392    if "alias" in exp.arg_types and not isinstance(exp, Window):
-4393        exp = exp.copy()
-4394        exp.set("alias", alias)
-4395        return exp
-4396    return Alias(this=exp, alias=alias)
+4386    Example:
+4387        >>> alias_('foo', 'bar').sql()
+4388        'foo AS bar'
+4389
+4390        >>> alias_('(select 1, 2)', 'bar', table=['a', 'b']).sql()
+4391        '(SELECT 1, 2) AS bar(a, b)'
+4392
+4393    Args:
+4394        expression: the SQL code strings to parse.
+4395            If an Expression instance is passed, this is used as-is.
+4396        alias: the alias name to use. If the name has
+4397            special characters it is quoted.
+4398        table: Whether or not to create a table alias, can also be a list of columns.
+4399        quoted: whether or not to quote the alias
+4400        dialect: the dialect used to parse the input expression.
+4401        **opts: other options to use to parse the input expressions.
+4402
+4403    Returns:
+4404        Alias: the aliased expression
+4405    """
+4406    exp = maybe_parse(expression, dialect=dialect, **opts)
+4407    alias = to_identifier(alias, quoted=quoted)
+4408
+4409    if table:
+4410        table_alias = TableAlias(this=alias)
+4411        exp.set("alias", table_alias)
+4412
+4413        if not isinstance(table, bool):
+4414            for column in table:
+4415                table_alias.append("columns", to_identifier(column, quoted=quoted))
+4416
+4417        return exp
+4418
+4419    # We don't set the "alias" arg for Window expressions, because that would add an IDENTIFIER node in
+4420    # the AST, representing a "named_window" [1] construct (eg. bigquery). What we want is an ALIAS node
+4421    # for the complete Window expression.
+4422    #
+4423    # [1]: https://cloud.google.com/bigquery/docs/reference/standard-sql/window-function-calls
+4424
+4425    if "alias" in exp.arg_types and not isinstance(exp, Window):
+4426        exp = exp.copy()
+4427        exp.set("alias", alias)
+4428        return exp
+4429    return Alias(this=exp, alias=alias)
 
    
 
 
@@ -40660,27 +41473,27 @@ special characters it is quoted.
    - 
    4399def subquery(expression, alias=None, dialect=None, **opts):
-4400    """
-4401    Build a subquery expression.
-4402
-4403    Example:
-4404        >>> subquery('select x from tbl', 'bar').select('x').sql()
-4405        'SELECT x FROM (SELECT x FROM tbl) AS bar'
-4406
-4407    Args:
-4408        expression (str | Expression): the SQL code strings to parse.
-4409            If an Expression instance is passed, this is used as-is.
-4410        alias (str | Expression): the alias name to use.
-4411        dialect (str): the dialect used to parse the input expression.
-4412        **opts: other options to use to parse the input expressions.
-4413
-4414    Returns:
-4415        Select: a new select with the subquery expression included
-4416    """
-4417
-4418    expression = maybe_parse(expression, dialect=dialect, **opts).subquery(alias)
-4419    return Select().from_(expression, dialect=dialect, **opts)
+            
    4432def subquery(expression, alias=None, dialect=None, **opts):
+4433    """
+4434    Build a subquery expression.
+4435
+4436    Example:
+4437        >>> subquery('select x from tbl', 'bar').select('x').sql()
+4438        'SELECT x FROM (SELECT x FROM tbl) AS bar'
+4439
+4440    Args:
+4441        expression (str | Expression): the SQL code strings to parse.
+4442            If an Expression instance is passed, this is used as-is.
+4443        alias (str | Expression): the alias name to use.
+4444        dialect (str): the dialect used to parse the input expression.
+4445        **opts: other options to use to parse the input expressions.
+4446
+4447    Returns:
+4448        Select: a new select with the subquery expression included
+4449    """
+4450
+4451    expression = maybe_parse(expression, dialect=dialect, **opts).subquery(alias)
+4452    return Select().from_(expression, dialect=dialect, **opts)
 
    
 
 
@@ -40726,28 +41539,28 @@ If an Expression instance is passed, this is used as-is.
    - 
    4422def column(
-4423    col: str | Identifier,
-4424    table: t.Optional[str | Identifier] = None,
-4425    schema: t.Optional[str | Identifier] = None,
-4426    quoted: t.Optional[bool] = None,
-4427) -> Column:
-4428    """
-4429    Build a Column.
-4430
-4431    Args:
-4432        col: column name
-4433        table: table name
-4434        schema: schema name
-4435        quoted: whether or not to force quote each part
-4436    Returns:
-4437        Column: column instance
-4438    """
-4439    return Column(
-4440        this=to_identifier(col, quoted=quoted),
-4441        table=to_identifier(table, quoted=quoted),
-4442        schema=to_identifier(schema, quoted=quoted),
-4443    )
+            
    4455def column(
+4456    col: str | Identifier,
+4457    table: t.Optional[str | Identifier] = None,
+4458    schema: t.Optional[str | Identifier] = None,
+4459    quoted: t.Optional[bool] = None,
+4460) -> Column:
+4461    """
+4462    Build a Column.
+4463
+4464    Args:
+4465        col: column name
+4466        table: table name
+4467        schema: schema name
+4468        quoted: whether or not to force quote each part
+4469    Returns:
+4470        Column: column instance
+4471    """
+4472    return Column(
+4473        this=to_identifier(col, quoted=quoted),
+4474        table=to_identifier(table, quoted=quoted),
+4475        schema=to_identifier(schema, quoted=quoted),
+4476    )
 
    
 
 
@@ -40782,22 +41595,22 @@ If an Expression instance is passed, this is used as-is.
    - 
    4446def cast(expression: str | Expression, to: str | DataType | DataType.Type, **opts) -> Cast:
-4447    """Cast an expression to a data type.
-4448
-4449    Example:
-4450        >>> cast('x + 1', 'int').sql()
-4451        'CAST(x + 1 AS INT)'
-4452
-4453    Args:
-4454        expression: The expression to cast.
-4455        to: The datatype to cast to.
-4456
-4457    Returns:
-4458        A cast node.
-4459    """
-4460    expression = maybe_parse(expression, **opts)
-4461    return Cast(this=expression, to=DataType.build(to, **opts))
+            
    4479def cast(expression: str | Expression, to: str | DataType | DataType.Type, **opts) -> Cast:
+4480    """Cast an expression to a data type.
+4481
+4482    Example:
+4483        >>> cast('x + 1', 'int').sql()
+4484        'CAST(x + 1 AS INT)'
+4485
+4486    Args:
+4487        expression: The expression to cast.
+4488        to: The datatype to cast to.
+4489
+4490    Returns:
+4491        A cast node.
+4492    """
+4493    expression = maybe_parse(expression, **opts)
+4494    return Cast(this=expression, to=DataType.build(to, **opts))
 
    
 
 
@@ -40840,23 +41653,23 @@ If an Expression instance is passed, this is used as-is.
    - 
    4464def table_(table, db=None, catalog=None, quoted=None, alias=None) -> Table:
-4465    """Build a Table.
-4466
-4467    Args:
-4468        table (str | Expression): column name
-4469        db (str | Expression): db name
-4470        catalog (str | Expression): catalog name
-4471
-4472    Returns:
-4473        Table: table instance
-4474    """
-4475    return Table(
-4476        this=to_identifier(table, quoted=quoted),
-4477        db=to_identifier(db, quoted=quoted),
-4478        catalog=to_identifier(catalog, quoted=quoted),
-4479        alias=TableAlias(this=to_identifier(alias)) if alias else None,
-4480    )
+            
    4497def table_(table, db=None, catalog=None, quoted=None, alias=None) -> Table:
+4498    """Build a Table.
+4499
+4500    Args:
+4501        table (str | Expression): column name
+4502        db (str | Expression): db name
+4503        catalog (str | Expression): catalog name
+4504
+4505    Returns:
+4506        Table: table instance
+4507    """
+4508    return Table(
+4509        this=to_identifier(table, quoted=quoted),
+4510        db=to_identifier(db, quoted=quoted),
+4511        catalog=to_identifier(catalog, quoted=quoted),
+4512        alias=TableAlias(this=to_identifier(alias)) if alias else None,
+4513    )
 
    
 
 
@@ -40890,46 +41703,46 @@ If an Expression instance is passed, this is used as-is.
    - 
    4483def values(
-4484    values: t.Iterable[t.Tuple[t.Any, ...]],
-4485    alias: t.Optional[str] = None,
-4486    columns: t.Optional[t.Iterable[str] | t.Dict[str, DataType]] = None,
-4487) -> Values:
-4488    """Build VALUES statement.
-4489
-4490    Example:
-4491        >>> values([(1, '2')]).sql()
-4492        "VALUES (1, '2')"
-4493
-4494    Args:
-4495        values: values statements that will be converted to SQL
-4496        alias: optional alias
-4497        columns: Optional list of ordered column names or ordered dictionary of column names to types.
-4498         If either are provided then an alias is also required.
-4499         If a dictionary is provided then the first column of the values will be casted to the expected type
-4500         in order to help with type inference.
-4501
-4502    Returns:
-4503        Values: the Values expression object
-4504    """
-4505    if columns and not alias:
-4506        raise ValueError("Alias is required when providing columns")
-4507    table_alias = (
-4508        TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns])
-4509        if columns
-4510        else TableAlias(this=to_identifier(alias) if alias else None)
-4511    )
-4512    expressions = [convert(tup) for tup in values]
-4513    if columns and isinstance(columns, dict):
-4514        types = list(columns.values())
-4515        expressions[0].set(
-4516            "expressions",
-4517            [cast(x, types[i]) for i, x in enumerate(expressions[0].expressions)],
-4518        )
-4519    return Values(
-4520        expressions=expressions,
-4521        alias=table_alias,
-4522    )
+            
    4516def values(
+4517    values: t.Iterable[t.Tuple[t.Any, ...]],
+4518    alias: t.Optional[str] = None,
+4519    columns: t.Optional[t.Iterable[str] | t.Dict[str, DataType]] = None,
+4520) -> Values:
+4521    """Build VALUES statement.
+4522
+4523    Example:
+4524        >>> values([(1, '2')]).sql()
+4525        "VALUES (1, '2')"
+4526
+4527    Args:
+4528        values: values statements that will be converted to SQL
+4529        alias: optional alias
+4530        columns: Optional list of ordered column names or ordered dictionary of column names to types.
+4531         If either are provided then an alias is also required.
+4532         If a dictionary is provided then the first column of the values will be casted to the expected type
+4533         in order to help with type inference.
+4534
+4535    Returns:
+4536        Values: the Values expression object
+4537    """
+4538    if columns and not alias:
+4539        raise ValueError("Alias is required when providing columns")
+4540    table_alias = (
+4541        TableAlias(this=to_identifier(alias), columns=[to_identifier(x) for x in columns])
+4542        if columns
+4543        else TableAlias(this=to_identifier(alias) if alias else None)
+4544    )
+4545    expressions = [convert(tup) for tup in values]
+4546    if columns and isinstance(columns, dict):
+4547        types = list(columns.values())
+4548        expressions[0].set(
+4549            "expressions",
+4550            [cast(x, types[i]) for i, x in enumerate(expressions[0].expressions)],
+4551        )
+4552    return Values(
+4553        expressions=expressions,
+4554        alias=table_alias,
+4555    )
 
    
 
 
@@ -40976,28 +41789,28 @@ in order to help with type inference.
    - 
    4525def var(name: t.Optional[str | Expression]) -> Var:
-4526    """Build a SQL variable.
-4527
-4528    Example:
-4529        >>> repr(var('x'))
-4530        '(VAR this: x)'
-4531
-4532        >>> repr(var(column('x', table='y')))
-4533        '(VAR this: x)'
-4534
-4535    Args:
-4536        name: The name of the var or an expression who's name will become the var.
-4537
-4538    Returns:
-4539        The new variable node.
-4540    """
-4541    if not name:
-4542        raise ValueError(f"Cannot convert empty name into var.")
-4543
-4544    if isinstance(name, Expression):
-4545        name = name.name
-4546    return Var(this=name)
+            
    4558def var(name: t.Optional[str | Expression]) -> Var:
+4559    """Build a SQL variable.
+4560
+4561    Example:
+4562        >>> repr(var('x'))
+4563        '(VAR this: x)'
+4564
+4565        >>> repr(var(column('x', table='y')))
+4566        '(VAR this: x)'
+4567
+4568    Args:
+4569        name: The name of the var or an expression who's name will become the var.
+4570
+4571    Returns:
+4572        The new variable node.
+4573    """
+4574    if not name:
+4575        raise ValueError(f"Cannot convert empty name into var.")
+4576
+4577    if isinstance(name, Expression):
+4578        name = name.name
+4579    return Var(this=name)
 
    
 
 
@@ -41045,24 +41858,24 @@ in order to help with type inference.
    - 
    4549def rename_table(old_name: str | Table, new_name: str | Table) -> AlterTable:
-4550    """Build ALTER TABLE... RENAME... expression
-4551
-4552    Args:
-4553        old_name: The old name of the table
-4554        new_name: The new name of the table
-4555
-4556    Returns:
-4557        Alter table expression
-4558    """
-4559    old_table = to_table(old_name)
-4560    new_table = to_table(new_name)
-4561    return AlterTable(
-4562        this=old_table,
-4563        actions=[
-4564            RenameTable(this=new_table),
-4565        ],
-4566    )
+            
    4582def rename_table(old_name: str | Table, new_name: str | Table) -> AlterTable:
+4583    """Build ALTER TABLE... RENAME... expression
+4584
+4585    Args:
+4586        old_name: The old name of the table
+4587        new_name: The new name of the table
+4588
+4589    Returns:
+4590        Alter table expression
+4591    """
+4592    old_table = to_table(old_name)
+4593    new_table = to_table(new_name)
+4594    return AlterTable(
+4595        this=old_table,
+4596        actions=[
+4597            RenameTable(this=new_table),
+4598        ],
+4599    )
 
    
 
 
@@ -41095,47 +41908,47 @@ in order to help with type inference.
    - 
    4569def convert(value) -> Expression:
-4570    """Convert a python value into an expression object.
-4571
-4572    Raises an error if a conversion is not possible.
-4573
-4574    Args:
-4575        value (Any): a python object
-4576
-4577    Returns:
-4578        Expression: the equivalent expression object
-4579    """
-4580    if isinstance(value, Expression):
-4581        return value
-4582    if value is None:
-4583        return NULL
-4584    if isinstance(value, bool):
-4585        return Boolean(this=value)
-4586    if isinstance(value, str):
-4587        return Literal.string(value)
-4588    if isinstance(value, float) and math.isnan(value):
-4589        return NULL
-4590    if isinstance(value, numbers.Number):
-4591        return Literal.number(value)
-4592    if isinstance(value, tuple):
-4593        return Tuple(expressions=[convert(v) for v in value])
-4594    if isinstance(value, list):
-4595        return Array(expressions=[convert(v) for v in value])
-4596    if isinstance(value, dict):
-4597        return Map(
-4598            keys=[convert(k) for k in value],
-4599            values=[convert(v) for v in value.values()],
-4600        )
-4601    if isinstance(value, datetime.datetime):
-4602        datetime_literal = Literal.string(
-4603            (value if value.tzinfo else value.replace(tzinfo=datetime.timezone.utc)).isoformat()
-4604        )
-4605        return TimeStrToTime(this=datetime_literal)
-4606    if isinstance(value, datetime.date):
-4607        date_literal = Literal.string(value.strftime("%Y-%m-%d"))
-4608        return DateStrToDate(this=date_literal)
-4609    raise ValueError(f"Cannot convert {value}")
+            
    4602def convert(value) -> Expression:
+4603    """Convert a python value into an expression object.
+4604
+4605    Raises an error if a conversion is not possible.
+4606
+4607    Args:
+4608        value (Any): a python object
+4609
+4610    Returns:
+4611        Expression: the equivalent expression object
+4612    """
+4613    if isinstance(value, Expression):
+4614        return value
+4615    if value is None:
+4616        return NULL
+4617    if isinstance(value, bool):
+4618        return Boolean(this=value)
+4619    if isinstance(value, str):
+4620        return Literal.string(value)
+4621    if isinstance(value, float) and math.isnan(value):
+4622        return NULL
+4623    if isinstance(value, numbers.Number):
+4624        return Literal.number(value)
+4625    if isinstance(value, tuple):
+4626        return Tuple(expressions=[convert(v) for v in value])
+4627    if isinstance(value, list):
+4628        return Array(expressions=[convert(v) for v in value])
+4629    if isinstance(value, dict):
+4630        return Map(
+4631            keys=[convert(k) for k in value],
+4632            values=[convert(v) for v in value.values()],
+4633        )
+4634    if isinstance(value, datetime.datetime):
+4635        datetime_literal = Literal.string(
+4636            (value if value.tzinfo else value.replace(tzinfo=datetime.timezone.utc)).isoformat()
+4637        )
+4638        return TimeStrToTime(this=datetime_literal)
+4639    if isinstance(value, datetime.date):
+4640        date_literal = Literal.string(value.strftime("%Y-%m-%d"))
+4641        return DateStrToDate(this=date_literal)
+4642    raise ValueError(f"Cannot convert {value}")
 
    
 
 
@@ -41169,26 +41982,26 @@ in order to help with type inference.
    - 
    4612def replace_children(expression, fun):
-4613    """
-4614    Replace children of an expression with the result of a lambda fun(child) -> exp.
-4615    """
-4616    for k, v in expression.args.items():
-4617        is_list_arg = isinstance(v, list)
-4618
-4619        child_nodes = v if is_list_arg else [v]
-4620        new_child_nodes = []
-4621
-4622        for cn in child_nodes:
-4623            if isinstance(cn, Expression):
-4624                for child_node in ensure_collection(fun(cn)):
-4625                    new_child_nodes.append(child_node)
-4626                    child_node.parent = expression
-4627                    child_node.arg_key = k
-4628            else:
-4629                new_child_nodes.append(cn)
-4630
-4631        expression.args[k] = new_child_nodes if is_list_arg else seq_get(new_child_nodes, 0)
+            
    4645def replace_children(expression, fun):
+4646    """
+4647    Replace children of an expression with the result of a lambda fun(child) -> exp.
+4648    """
+4649    for k, v in expression.args.items():
+4650        is_list_arg = isinstance(v, list)
+4651
+4652        child_nodes = v if is_list_arg else [v]
+4653        new_child_nodes = []
+4654
+4655        for cn in child_nodes:
+4656            if isinstance(cn, Expression):
+4657                for child_node in ensure_collection(fun(cn)):
+4658                    new_child_nodes.append(child_node)
+4659                    child_node.parent = expression
+4660                    child_node.arg_key = k
+4661            else:
+4662                new_child_nodes.append(cn)
+4663
+4664        expression.args[k] = new_child_nodes if is_list_arg else seq_get(new_child_nodes, 0)
 
    
 
 
@@ -41208,22 +42021,22 @@ in order to help with type inference.
    - 
    4634def column_table_names(expression):
-4635    """
-4636    Return all table names referenced through columns in an expression.
-4637
-4638    Example:
-4639        >>> import sqlglot
-4640        >>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e"))
-4641        ['c', 'a']
-4642
-4643    Args:
-4644        expression (sqlglot.Expression): expression to find table names
-4645
-4646    Returns:
-4647        list: A list of unique names
-4648    """
-4649    return list(dict.fromkeys(column.table for column in expression.find_all(Column)))
+            
    4667def column_table_names(expression):
+4668    """
+4669    Return all table names referenced through columns in an expression.
+4670
+4671    Example:
+4672        >>> import sqlglot
+4673        >>> column_table_names(sqlglot.parse_one("a.b AND c.d AND c.e"))
+4674        ['c', 'a']
+4675
+4676    Args:
+4677        expression (sqlglot.Expression): expression to find table names
+4678
+4679    Returns:
+4680        list: A list of unique names
+4681    """
+4682    return list(dict.fromkeys(column.table for column in expression.find_all(Column)))
 
    
 
 
@@ -41266,35 +42079,35 @@ in order to help with type inference.
    - 
    4652def table_name(table) -> str:
-4653    """Get the full name of a table as a string.
-4654
-4655    Args:
-4656        table (exp.Table | str): table expression node or string.
-4657
-4658    Examples:
-4659        >>> from sqlglot import exp, parse_one
-4660        >>> table_name(parse_one("select * from a.b.c").find(exp.Table))
-4661        'a.b.c'
-4662
-4663    Returns:
-4664        The table name.
-4665    """
-4666
-4667    table = maybe_parse(table, into=Table)
-4668
-4669    if not table:
-4670        raise ValueError(f"Cannot parse {table}")
-4671
-4672    return ".".join(
-4673        part
-4674        for part in (
-4675            table.text("catalog"),
-4676            table.text("db"),
-4677            table.name,
-4678        )
-4679        if part
-4680    )
+            
    4685def table_name(table) -> str:
+4686    """Get the full name of a table as a string.
+4687
+4688    Args:
+4689        table (exp.Table | str): table expression node or string.
+4690
+4691    Examples:
+4692        >>> from sqlglot import exp, parse_one
+4693        >>> table_name(parse_one("select * from a.b.c").find(exp.Table))
+4694        'a.b.c'
+4695
+4696    Returns:
+4697        The table name.
+4698    """
+4699
+4700    table = maybe_parse(table, into=Table)
+4701
+4702    if not table:
+4703        raise ValueError(f"Cannot parse {table}")
+4704
+4705    return ".".join(
+4706        part
+4707        for part in (
+4708            table.text("catalog"),
+4709            table.text("db"),
+4710            table.name,
+4711        )
+4712        if part
+4713    )
 
    
 
 
@@ -41337,33 +42150,33 @@ in order to help with type inference.
    - 
    4683def replace_tables(expression, mapping):
-4684    """Replace all tables in expression according to the mapping.
-4685
-4686    Args:
-4687        expression (sqlglot.Expression): expression node to be transformed and replaced.
-4688        mapping (Dict[str, str]): mapping of table names.
-4689
-4690    Examples:
-4691        >>> from sqlglot import exp, parse_one
-4692        >>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql()
-4693        'SELECT * FROM c'
-4694
-4695    Returns:
-4696        The mapped expression.
-4697    """
-4698
-4699    def _replace_tables(node):
-4700        if isinstance(node, Table):
-4701            new_name = mapping.get(table_name(node))
-4702            if new_name:
-4703                return to_table(
-4704                    new_name,
-4705                    **{k: v for k, v in node.args.items() if k not in ("this", "db", "catalog")},
-4706                )
-4707        return node
-4708
-4709    return expression.transform(_replace_tables)
+            
    4716def replace_tables(expression, mapping):
+4717    """Replace all tables in expression according to the mapping.
+4718
+4719    Args:
+4720        expression (sqlglot.Expression): expression node to be transformed and replaced.
+4721        mapping (Dict[str, str]): mapping of table names.
+4722
+4723    Examples:
+4724        >>> from sqlglot import exp, parse_one
+4725        >>> replace_tables(parse_one("select * from a.b"), {"a.b": "c"}).sql()
+4726        'SELECT * FROM c'
+4727
+4728    Returns:
+4729        The mapped expression.
+4730    """
+4731
+4732    def _replace_tables(node):
+4733        if isinstance(node, Table):
+4734            new_name = mapping.get(table_name(node))
+4735            if new_name:
+4736                return to_table(
+4737                    new_name,
+4738                    **{k: v for k, v in node.args.items() if k not in ("this", "db", "catalog")},
+4739                )
+4740        return node
+4741
+4742    return expression.transform(_replace_tables)
 
    
 
 
@@ -41407,39 +42220,39 @@ in order to help with type inference.
    - 
    4712def replace_placeholders(expression, *args, **kwargs):
-4713    """Replace placeholders in an expression.
-4714
-4715    Args:
-4716        expression (sqlglot.Expression): expression node to be transformed and replaced.
-4717        args: positional names that will substitute unnamed placeholders in the given order.
-4718        kwargs: keyword arguments that will substitute named placeholders.
-4719
-4720    Examples:
-4721        >>> from sqlglot import exp, parse_one
-4722        >>> replace_placeholders(
-4723        ...     parse_one("select * from :tbl where ? = ?"), "a", "b", tbl="foo"
-4724        ... ).sql()
-4725        'SELECT * FROM foo WHERE a = b'
-4726
-4727    Returns:
-4728        The mapped expression.
-4729    """
-4730
-4731    def _replace_placeholders(node, args, **kwargs):
-4732        if isinstance(node, Placeholder):
-4733            if node.name:
-4734                new_name = kwargs.get(node.name)
-4735                if new_name:
-4736                    return to_identifier(new_name)
-4737            else:
-4738                try:
-4739                    return to_identifier(next(args))
-4740                except StopIteration:
-4741                    pass
-4742        return node
-4743
-4744    return expression.transform(_replace_placeholders, iter(args), **kwargs)
+            
    4745def replace_placeholders(expression, *args, **kwargs):
+4746    """Replace placeholders in an expression.
+4747
+4748    Args:
+4749        expression (sqlglot.Expression): expression node to be transformed and replaced.
+4750        args: positional names that will substitute unnamed placeholders in the given order.
+4751        kwargs: keyword arguments that will substitute named placeholders.
+4752
+4753    Examples:
+4754        >>> from sqlglot import exp, parse_one
+4755        >>> replace_placeholders(
+4756        ...     parse_one("select * from :tbl where ? = ?"), "a", "b", tbl="foo"
+4757        ... ).sql()
+4758        'SELECT * FROM foo WHERE a = b'
+4759
+4760    Returns:
+4761        The mapped expression.
+4762    """
+4763
+4764    def _replace_placeholders(node, args, **kwargs):
+4765        if isinstance(node, Placeholder):
+4766            if node.name:
+4767                new_name = kwargs.get(node.name)
+4768                if new_name:
+4769                    return to_identifier(new_name)
+4770            else:
+4771                try:
+4772                    return to_identifier(next(args))
+4773                except StopIteration:
+4774                    pass
+4775        return node
+4776
+4777    return expression.transform(_replace_placeholders, iter(args), **kwargs)
 
    
 
 
@@ -41486,34 +42299,34 @@ in order to help with type inference.
    - 
    4747def expand(expression: Expression, sources: t.Dict[str, Subqueryable], copy=True) -> Expression:
-4748    """Transforms an expression by expanding all referenced sources into subqueries.
-4749
-4750    Examples:
-4751        >>> from sqlglot import parse_one
-4752        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql()
-4753        'SELECT * FROM (SELECT * FROM y) AS z /* source: x */'
-4754
-4755    Args:
-4756        expression: The expression to expand.
-4757        sources: A dictionary of name to Subqueryables.
-4758        copy: Whether or not to copy the expression during transformation. Defaults to True.
-4759
-4760    Returns:
-4761        The transformed expression.
-4762    """
-4763
-4764    def _expand(node: Expression):
-4765        if isinstance(node, Table):
-4766            name = table_name(node)
-4767            source = sources.get(name)
-4768            if source:
-4769                subquery = source.subquery(node.alias or name)
-4770                subquery.comments = [f"source: {name}"]
-4771                return subquery
-4772        return node
-4773
-4774    return expression.transform(_expand, copy=copy)
+            
    4780def expand(expression: Expression, sources: t.Dict[str, Subqueryable], copy=True) -> Expression:
+4781    """Transforms an expression by expanding all referenced sources into subqueries.
+4782
+4783    Examples:
+4784        >>> from sqlglot import parse_one
+4785        >>> expand(parse_one("select * from x AS z"), {"x": parse_one("select * from y")}).sql()
+4786        'SELECT * FROM (SELECT * FROM y) AS z /* source: x */'
+4787
+4788    Args:
+4789        expression: The expression to expand.
+4790        sources: A dictionary of name to Subqueryables.
+4791        copy: Whether or not to copy the expression during transformation. Defaults to True.
+4792
+4793    Returns:
+4794        The transformed expression.
+4795    """
+4796
+4797    def _expand(node: Expression):
+4798        if isinstance(node, Table):
+4799            name = table_name(node)
+4800            source = sources.get(name)
+4801            if source:
+4802                subquery = source.subquery(node.alias or name)
+4803                subquery.comments = [f"source: {name}"]
+4804                return subquery
+4805        return node
+4806
+4807    return expression.transform(_expand, copy=copy)
 
    
 
 
@@ -41558,51 +42371,51 @@ in order to help with type inference.
    - 
    4777def func(name: str, *args, dialect: DialectType = None, **kwargs) -> Func:
-4778    """
-4779    Returns a Func expression.
-4780
-4781    Examples:
-4782        >>> func("abs", 5).sql()
-4783        'ABS(5)'
-4784
-4785        >>> func("cast", this=5, to=DataType.build("DOUBLE")).sql()
-4786        'CAST(5 AS DOUBLE)'
-4787
-4788    Args:
-4789        name: the name of the function to build.
-4790        args: the args used to instantiate the function of interest.
-4791        dialect: the source dialect.
-4792        kwargs: the kwargs used to instantiate the function of interest.
-4793
-4794    Note:
-4795        The arguments `args` and `kwargs` are mutually exclusive.
-4796
-4797    Returns:
-4798        An instance of the function of interest, or an anonymous function, if `name` doesn't
-4799        correspond to an existing `sqlglot.expressions.Func` class.
-4800    """
-4801    if args and kwargs:
-4802        raise ValueError("Can't use both args and kwargs to instantiate a function.")
-4803
-4804    from sqlglot.dialects.dialect import Dialect
-4805
-4806    args = tuple(convert(arg) for arg in args)
-4807    kwargs = {key: convert(value) for key, value in kwargs.items()}
-4808
-4809    parser = Dialect.get_or_raise(dialect)().parser()
-4810    from_args_list = parser.FUNCTIONS.get(name.upper())
-4811
-4812    if from_args_list:
-4813        function = from_args_list(args) if args else from_args_list.__self__(**kwargs)  # type: ignore
-4814    else:
-4815        kwargs = kwargs or {"expressions": args}
-4816        function = Anonymous(this=name, **kwargs)
+            
    4810def func(name: str, *args, dialect: DialectType = None, **kwargs) -> Func:
+4811    """
+4812    Returns a Func expression.
+4813
+4814    Examples:
+4815        >>> func("abs", 5).sql()
+4816        'ABS(5)'
 4817
-4818    for error_message in function.error_messages(args):
-4819        raise ValueError(error_message)
+4818        >>> func("cast", this=5, to=DataType.build("DOUBLE")).sql()
+4819        'CAST(5 AS DOUBLE)'
 4820
-4821    return function
+4821    Args:
+4822        name: the name of the function to build.
+4823        args: the args used to instantiate the function of interest.
+4824        dialect: the source dialect.
+4825        kwargs: the kwargs used to instantiate the function of interest.
+4826
+4827    Note:
+4828        The arguments `args` and `kwargs` are mutually exclusive.
+4829
+4830    Returns:
+4831        An instance of the function of interest, or an anonymous function, if `name` doesn't
+4832        correspond to an existing `sqlglot.expressions.Func` class.
+4833    """
+4834    if args and kwargs:
+4835        raise ValueError("Can't use both args and kwargs to instantiate a function.")
+4836
+4837    from sqlglot.dialects.dialect import Dialect
+4838
+4839    args = tuple(convert(arg) for arg in args)
+4840    kwargs = {key: convert(value) for key, value in kwargs.items()}
+4841
+4842    parser = Dialect.get_or_raise(dialect)().parser()
+4843    from_args_list = parser.FUNCTIONS.get(name.upper())
+4844
+4845    if from_args_list:
+4846        function = from_args_list(args) if args else from_args_list.__self__(**kwargs)  # type: ignore
+4847    else:
+4848        kwargs = kwargs or {"expressions": args}
+4849        function = Anonymous(this=name, **kwargs)
+4850
+4851    for error_message in function.error_messages(args):
+4852        raise ValueError(error_message)
+4853
+4854    return function
 
    
 
 
@@ -41660,11 +42473,11 @@ in order to help with type inference.
    - 
    4824def true():
-4825    """
-4826    Returns a true Boolean expression.
-4827    """
-4828    return Boolean(this=True)
+            
    4857def true():
+4858    """
+4859    Returns a true Boolean expression.
+4860    """
+4861    return Boolean(this=True)
 
    
 
 
@@ -41684,11 +42497,11 @@ in order to help with type inference.
    - 
    4831def false():
-4832    """
-4833    Returns a false Boolean expression.
-4834    """
-4835    return Boolean(this=False)
+            
    4864def false():
+4865    """
+4866    Returns a false Boolean expression.
+4867    """
+4868    return Boolean(this=False)
 
    
 
 
@@ -41708,11 +42521,11 @@ in order to help with type inference.
    - 
    4838def null():
-4839    """
-4840    Returns a Null expression.
-4841    """
-4842    return Null()
+            
    4871def null():
+4872    """
+4873    Returns a Null expression.
+4874    """
+4875    return Null()
 
    
 
 
diff --git a/docs/sqlglot/generator.html b/docs/sqlglot/generator.html
index 055a3f1..d59ad49 100644
--- a/docs/sqlglot/generator.html
+++ b/docs/sqlglot/generator.html
@@ -495,6 +495,9 @@
                         
  • 
                                 command_sql
                         
    • 
+                        
  • 
+                                comment_sql
+                        
    • 
                         
  • 
                                 transaction_sql
                         
    • 
@@ -537,6 +540,9 @@
                         
  • 
                                 div_sql
                         
    • 
+                        
  • 
+                                overlaps_sql
+                        
    • 
                         
  • 
                                 distance_sql
                         
    • 
@@ -1235,1403 +1241,1421 @@
      550                else:
  551                    expression_sql = f" AS{expression_sql}"
  552
- 553        replace = " OR REPLACE" if expression.args.get("replace") else ""
- 554        unique = " UNIQUE" if expression.args.get("unique") else ""
- 555        exists_sql = " IF NOT EXISTS" if expression.args.get("exists") else ""
- 556
- 557        indexes = expression.args.get("indexes")
- 558        index_sql = ""
- 559        if indexes:
- 560            indexes_sql = []
- 561            for index in indexes:
- 562                ind_unique = " UNIQUE" if index.args.get("unique") else ""
- 563                ind_primary = " PRIMARY" if index.args.get("primary") else ""
- 564                ind_amp = " AMP" if index.args.get("amp") else ""
- 565                ind_name = f" {index.name}" if index.name else ""
- 566                ind_columns = (
- 567                    f' ({self.expressions(index, key="columns", flat=True)})'
- 568                    if index.args.get("columns")
- 569                    else ""
- 570                )
- 571                if index.args.get("primary") and properties_locs.get(
- 572                    exp.Properties.Location.POST_INDEX
- 573                ):
- 574                    postindex_props_sql = self.properties(
- 575                        exp.Properties(
- 576                            expressions=properties_locs[exp.Properties.Location.POST_INDEX]
- 577                        ),
- 578                        wrapped=False,
- 579                    )
- 580                    ind_columns = f"{ind_columns} {postindex_props_sql}"
- 581
- 582                indexes_sql.append(
- 583                    f"{ind_unique}{ind_primary}{ind_amp} INDEX{ind_name}{ind_columns}"
- 584                )
+ 553        postindex_props_sql = ""
+ 554        if properties_locs.get(exp.Properties.Location.POST_INDEX):
+ 555            postindex_props_sql = self.properties(
+ 556                exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_INDEX]),
+ 557                wrapped=False,
+ 558                prefix=" ",
+ 559            )
+ 560
+ 561        indexes = expression.args.get("indexes")
+ 562        if indexes:
+ 563            indexes_sql: t.List[str] = []
+ 564            for index in indexes:
+ 565                ind_unique = " UNIQUE" if index.args.get("unique") else ""
+ 566                ind_primary = " PRIMARY" if index.args.get("primary") else ""
+ 567                ind_amp = " AMP" if index.args.get("amp") else ""
+ 568                ind_name = f" {index.name}" if index.name else ""
+ 569                ind_columns = (
+ 570                    f' ({self.expressions(index, key="columns", flat=True)})'
+ 571                    if index.args.get("columns")
+ 572                    else ""
+ 573                )
+ 574                ind_sql = f"{ind_unique}{ind_primary}{ind_amp} INDEX{ind_name}{ind_columns}"
+ 575
+ 576                if indexes_sql:
+ 577                    indexes_sql.append(ind_sql)
+ 578                else:
+ 579                    indexes_sql.append(
+ 580                        f"{ind_sql}{postindex_props_sql}"
+ 581                        if index.args.get("primary")
+ 582                        else f"{postindex_props_sql}{ind_sql}"
+ 583                    )
+ 584
  585            index_sql = "".join(indexes_sql)
- 586
- 587        postcreate_props_sql = ""
- 588        if properties_locs.get(exp.Properties.Location.POST_CREATE):
- 589            postcreate_props_sql = self.properties(
- 590                exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_CREATE]),
- 591                sep=" ",
- 592                prefix=" ",
- 593                wrapped=False,
- 594            )
- 595
- 596        modifiers = "".join((replace, unique, postcreate_props_sql))
- 597
- 598        postexpression_props_sql = ""
- 599        if properties_locs.get(exp.Properties.Location.POST_EXPRESSION):
- 600            postexpression_props_sql = self.properties(
- 601                exp.Properties(
- 602                    expressions=properties_locs[exp.Properties.Location.POST_EXPRESSION]
- 603                ),
- 604                sep=" ",
- 605                prefix=" ",
- 606                wrapped=False,
- 607            )
- 608
- 609        no_schema_binding = (
- 610            " WITH NO SCHEMA BINDING" if expression.args.get("no_schema_binding") else ""
- 611        )
- 612
- 613        expression_sql = f"CREATE{modifiers} {kind}{exists_sql} {this}{properties_sql}{expression_sql}{postexpression_props_sql}{index_sql}{no_schema_binding}"
- 614        return self.prepend_ctes(expression, expression_sql)
- 615
- 616    def describe_sql(self, expression: exp.Describe) -> str:
- 617        return f"DESCRIBE {self.sql(expression, 'this')}"
- 618
- 619    def prepend_ctes(self, expression: exp.Expression, sql: str) -> str:
- 620        with_ = self.sql(expression, "with")
- 621        if with_:
- 622            sql = f"{with_}{self.sep()}{sql}"
- 623        return sql
- 624
- 625    def with_sql(self, expression: exp.With) -> str:
- 626        sql = self.expressions(expression, flat=True)
- 627        recursive = "RECURSIVE " if expression.args.get("recursive") else ""
- 628
- 629        return f"WITH {recursive}{sql}"
- 630
- 631    def cte_sql(self, expression: exp.CTE) -> str:
- 632        alias = self.sql(expression, "alias")
- 633        return f"{alias} AS {self.wrap(expression)}"
- 634
- 635    def tablealias_sql(self, expression: exp.TableAlias) -> str:
- 636        alias = self.sql(expression, "this")
- 637        columns = self.expressions(expression, key="columns", flat=True)
- 638        columns = f"({columns})" if columns else ""
- 639        return f"{alias}{columns}"
- 640
- 641    def bitstring_sql(self, expression: exp.BitString) -> str:
- 642        return self.sql(expression, "this")
- 643
- 644    def hexstring_sql(self, expression: exp.HexString) -> str:
- 645        return self.sql(expression, "this")
- 646
- 647    def datatype_sql(self, expression: exp.DataType) -> str:
- 648        type_value = expression.this
- 649        type_sql = self.TYPE_MAPPING.get(type_value, type_value.value)
- 650        nested = ""
- 651        interior = self.expressions(expression, flat=True)
- 652        values = ""
- 653        if interior:
- 654            if expression.args.get("nested"):
- 655                nested = f"{self.STRUCT_DELIMITER[0]}{interior}{self.STRUCT_DELIMITER[1]}"
- 656                if expression.args.get("values") is not None:
- 657                    delimiters = ("[", "]") if type_value == exp.DataType.Type.ARRAY else ("(", ")")
- 658                    values = (
- 659                        f"{delimiters[0]}{self.expressions(expression, 'values')}{delimiters[1]}"
- 660                    )
- 661            else:
- 662                nested = f"({interior})"
- 663
- 664        return f"{type_sql}{nested}{values}"
- 665
- 666    def directory_sql(self, expression: exp.Directory) -> str:
- 667        local = "LOCAL " if expression.args.get("local") else ""
- 668        row_format = self.sql(expression, "row_format")
- 669        row_format = f" {row_format}" if row_format else ""
- 670        return f"{local}DIRECTORY {self.sql(expression, 'this')}{row_format}"
- 671
- 672    def delete_sql(self, expression: exp.Delete) -> str:
- 673        this = self.sql(expression, "this")
- 674        this = f" FROM {this}" if this else ""
- 675        using_sql = (
- 676            f" USING {self.expressions(expression, 'using', sep=', USING ')}"
- 677            if expression.args.get("using")
- 678            else ""
- 679        )
- 680        where_sql = self.sql(expression, "where")
- 681        sql = f"DELETE{this}{using_sql}{where_sql}"
- 682        return self.prepend_ctes(expression, sql)
- 683
- 684    def drop_sql(self, expression: exp.Drop) -> str:
- 685        this = self.sql(expression, "this")
- 686        kind = expression.args["kind"]
- 687        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
- 688        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
- 689        materialized = " MATERIALIZED" if expression.args.get("materialized") else ""
- 690        cascade = " CASCADE" if expression.args.get("cascade") else ""
- 691        return f"DROP{temporary}{materialized} {kind}{exists_sql}{this}{cascade}"
- 692
- 693    def except_sql(self, expression: exp.Except) -> str:
- 694        return self.prepend_ctes(
- 695            expression,
- 696            self.set_operation(expression, self.except_op(expression)),
- 697        )
- 698
- 699    def except_op(self, expression: exp.Except) -> str:
- 700        return f"EXCEPT{'' if expression.args.get('distinct') else ' ALL'}"
- 701
- 702    def fetch_sql(self, expression: exp.Fetch) -> str:
- 703        direction = expression.args.get("direction")
- 704        direction = f" {direction.upper()}" if direction else ""
- 705        count = expression.args.get("count")
- 706        count = f" {count}" if count else ""
- 707        return f"{self.seg('FETCH')}{direction}{count} ROWS ONLY"
+ 586        else:
+ 587            index_sql = postindex_props_sql
+ 588
+ 589        replace = " OR REPLACE" if expression.args.get("replace") else ""
+ 590        unique = " UNIQUE" if expression.args.get("unique") else ""
+ 591        volatile = " VOLATILE" if expression.args.get("volatile") else ""
+ 592
+ 593        postcreate_props_sql = ""
+ 594        if properties_locs.get(exp.Properties.Location.POST_CREATE):
+ 595            postcreate_props_sql = self.properties(
+ 596                exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_CREATE]),
+ 597                sep=" ",
+ 598                prefix=" ",
+ 599                wrapped=False,
+ 600            )
+ 601
+ 602        modifiers = "".join((replace, unique, volatile, postcreate_props_sql))
+ 603
+ 604        postexpression_props_sql = ""
+ 605        if properties_locs.get(exp.Properties.Location.POST_EXPRESSION):
+ 606            postexpression_props_sql = self.properties(
+ 607                exp.Properties(
+ 608                    expressions=properties_locs[exp.Properties.Location.POST_EXPRESSION]
+ 609                ),
+ 610                sep=" ",
+ 611                prefix=" ",
+ 612                wrapped=False,
+ 613            )
+ 614
+ 615        exists_sql = " IF NOT EXISTS" if expression.args.get("exists") else ""
+ 616        no_schema_binding = (
+ 617            " WITH NO SCHEMA BINDING" if expression.args.get("no_schema_binding") else ""
+ 618        )
+ 619
+ 620        expression_sql = f"CREATE{modifiers} {kind}{exists_sql} {this}{properties_sql}{expression_sql}{postexpression_props_sql}{index_sql}{no_schema_binding}"
+ 621        return self.prepend_ctes(expression, expression_sql)
+ 622
+ 623    def describe_sql(self, expression: exp.Describe) -> str:
+ 624        return f"DESCRIBE {self.sql(expression, 'this')}"
+ 625
+ 626    def prepend_ctes(self, expression: exp.Expression, sql: str) -> str:
+ 627        with_ = self.sql(expression, "with")
+ 628        if with_:
+ 629            sql = f"{with_}{self.sep()}{sql}"
+ 630        return sql
+ 631
+ 632    def with_sql(self, expression: exp.With) -> str:
+ 633        sql = self.expressions(expression, flat=True)
+ 634        recursive = "RECURSIVE " if expression.args.get("recursive") else ""
+ 635
+ 636        return f"WITH {recursive}{sql}"
+ 637
+ 638    def cte_sql(self, expression: exp.CTE) -> str:
+ 639        alias = self.sql(expression, "alias")
+ 640        return f"{alias} AS {self.wrap(expression)}"
+ 641
+ 642    def tablealias_sql(self, expression: exp.TableAlias) -> str:
+ 643        alias = self.sql(expression, "this")
+ 644        columns = self.expressions(expression, key="columns", flat=True)
+ 645        columns = f"({columns})" if columns else ""
+ 646        return f"{alias}{columns}"
+ 647
+ 648    def bitstring_sql(self, expression: exp.BitString) -> str:
+ 649        return self.sql(expression, "this")
+ 650
+ 651    def hexstring_sql(self, expression: exp.HexString) -> str:
+ 652        return self.sql(expression, "this")
+ 653
+ 654    def datatype_sql(self, expression: exp.DataType) -> str:
+ 655        type_value = expression.this
+ 656        type_sql = self.TYPE_MAPPING.get(type_value, type_value.value)
+ 657        nested = ""
+ 658        interior = self.expressions(expression, flat=True)
+ 659        values = ""
+ 660        if interior:
+ 661            if expression.args.get("nested"):
+ 662                nested = f"{self.STRUCT_DELIMITER[0]}{interior}{self.STRUCT_DELIMITER[1]}"
+ 663                if expression.args.get("values") is not None:
+ 664                    delimiters = ("[", "]") if type_value == exp.DataType.Type.ARRAY else ("(", ")")
+ 665                    values = (
+ 666                        f"{delimiters[0]}{self.expressions(expression, 'values')}{delimiters[1]}"
+ 667                    )
+ 668            else:
+ 669                nested = f"({interior})"
+ 670
+ 671        return f"{type_sql}{nested}{values}"
+ 672
+ 673    def directory_sql(self, expression: exp.Directory) -> str:
+ 674        local = "LOCAL " if expression.args.get("local") else ""
+ 675        row_format = self.sql(expression, "row_format")
+ 676        row_format = f" {row_format}" if row_format else ""
+ 677        return f"{local}DIRECTORY {self.sql(expression, 'this')}{row_format}"
+ 678
+ 679    def delete_sql(self, expression: exp.Delete) -> str:
+ 680        this = self.sql(expression, "this")
+ 681        this = f" FROM {this}" if this else ""
+ 682        using_sql = (
+ 683            f" USING {self.expressions(expression, 'using', sep=', USING ')}"
+ 684            if expression.args.get("using")
+ 685            else ""
+ 686        )
+ 687        where_sql = self.sql(expression, "where")
+ 688        sql = f"DELETE{this}{using_sql}{where_sql}"
+ 689        return self.prepend_ctes(expression, sql)
+ 690
+ 691    def drop_sql(self, expression: exp.Drop) -> str:
+ 692        this = self.sql(expression, "this")
+ 693        kind = expression.args["kind"]
+ 694        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
+ 695        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
+ 696        materialized = " MATERIALIZED" if expression.args.get("materialized") else ""
+ 697        cascade = " CASCADE" if expression.args.get("cascade") else ""
+ 698        return f"DROP{temporary}{materialized} {kind}{exists_sql}{this}{cascade}"
+ 699
+ 700    def except_sql(self, expression: exp.Except) -> str:
+ 701        return self.prepend_ctes(
+ 702            expression,
+ 703            self.set_operation(expression, self.except_op(expression)),
+ 704        )
+ 705
+ 706    def except_op(self, expression: exp.Except) -> str:
+ 707        return f"EXCEPT{'' if expression.args.get('distinct') else ' ALL'}"
  708
- 709    def filter_sql(self, expression: exp.Filter) -> str:
- 710        this = self.sql(expression, "this")
- 711        where = self.sql(expression, "expression")[1:]  # where has a leading space
- 712        return f"{this} FILTER({where})"
- 713
- 714    def hint_sql(self, expression: exp.Hint) -> str:
- 715        if self.sql(expression, "this"):
- 716            self.unsupported("Hints are not supported")
- 717        return ""
- 718
- 719    def index_sql(self, expression: exp.Index) -> str:
- 720        this = self.sql(expression, "this")
- 721        table = self.sql(expression, "table")
- 722        columns = self.sql(expression, "columns")
- 723        return f"{this} ON {table} {columns}"
- 724
- 725    def identifier_sql(self, expression: exp.Identifier) -> str:
- 726        text = expression.name
- 727        text = text.lower() if self.normalize else text
- 728        text = text.replace(self.identifier_end, self._escaped_identifier_end)
- 729        if expression.args.get("quoted") or self.identify:
- 730            text = f"{self.identifier_start}{text}{self.identifier_end}"
- 731        return text
- 732
- 733    def national_sql(self, expression: exp.National) -> str:
- 734        return f"N{self.sql(expression, 'this')}"
- 735
- 736    def partition_sql(self, expression: exp.Partition) -> str:
- 737        return f"PARTITION({self.expressions(expression)})"
- 738
- 739    def properties_sql(self, expression: exp.Properties) -> str:
- 740        root_properties = []
- 741        with_properties = []
+ 709    def fetch_sql(self, expression: exp.Fetch) -> str:
+ 710        direction = expression.args.get("direction")
+ 711        direction = f" {direction.upper()}" if direction else ""
+ 712        count = expression.args.get("count")
+ 713        count = f" {count}" if count else ""
+ 714        return f"{self.seg('FETCH')}{direction}{count} ROWS ONLY"
+ 715
+ 716    def filter_sql(self, expression: exp.Filter) -> str:
+ 717        this = self.sql(expression, "this")
+ 718        where = self.sql(expression, "expression")[1:]  # where has a leading space
+ 719        return f"{this} FILTER({where})"
+ 720
+ 721    def hint_sql(self, expression: exp.Hint) -> str:
+ 722        if self.sql(expression, "this"):
+ 723            self.unsupported("Hints are not supported")
+ 724        return ""
+ 725
+ 726    def index_sql(self, expression: exp.Index) -> str:
+ 727        this = self.sql(expression, "this")
+ 728        table = self.sql(expression, "table")
+ 729        columns = self.sql(expression, "columns")
+ 730        return f"{this} ON {table} {columns}"
+ 731
+ 732    def identifier_sql(self, expression: exp.Identifier) -> str:
+ 733        text = expression.name
+ 734        text = text.lower() if self.normalize else text
+ 735        text = text.replace(self.identifier_end, self._escaped_identifier_end)
+ 736        if expression.args.get("quoted") or self.identify:
+ 737            text = f"{self.identifier_start}{text}{self.identifier_end}"
+ 738        return text
+ 739
+ 740    def national_sql(self, expression: exp.National) -> str:
+ 741        return f"N{self.sql(expression, 'this')}"
  742
- 743        for p in expression.expressions:
- 744            p_loc = self.PROPERTIES_LOCATION[p.__class__]
- 745            if p_loc == exp.Properties.Location.POST_WITH:
- 746                with_properties.append(p)
- 747            elif p_loc == exp.Properties.Location.POST_SCHEMA:
- 748                root_properties.append(p)
+ 743    def partition_sql(self, expression: exp.Partition) -> str:
+ 744        return f"PARTITION({self.expressions(expression)})"
+ 745
+ 746    def properties_sql(self, expression: exp.Properties) -> str:
+ 747        root_properties = []
+ 748        with_properties = []
  749
- 750        return self.root_properties(
- 751            exp.Properties(expressions=root_properties)
- 752        ) + self.with_properties(exp.Properties(expressions=with_properties))
- 753
- 754    def root_properties(self, properties: exp.Properties) -> str:
- 755        if properties.expressions:
- 756            return self.sep() + self.expressions(properties, indent=False, sep=" ")
- 757        return ""
- 758
- 759    def properties(
- 760        self,
- 761        properties: exp.Properties,
- 762        prefix: str = "",
- 763        sep: str = ", ",
- 764        suffix: str = "",
- 765        wrapped: bool = True,
- 766    ) -> str:
- 767        if properties.expressions:
- 768            expressions = self.expressions(properties, sep=sep, indent=False)
- 769            expressions = self.wrap(expressions) if wrapped else expressions
- 770            return f"{prefix}{' ' if prefix and prefix != ' ' else ''}{expressions}{suffix}"
- 771        return ""
- 772
- 773    def with_properties(self, properties: exp.Properties) -> str:
- 774        return self.properties(properties, prefix=self.seg("WITH"))
- 775
- 776    def locate_properties(
- 777        self, properties: exp.Properties
- 778    ) -> t.Dict[exp.Properties.Location, list[exp.Property]]:
- 779        properties_locs: t.Dict[exp.Properties.Location, list[exp.Property]] = {
- 780            key: [] for key in exp.Properties.Location
- 781        }
+ 750        for p in expression.expressions:
+ 751            p_loc = self.PROPERTIES_LOCATION[p.__class__]
+ 752            if p_loc == exp.Properties.Location.POST_WITH:
+ 753                with_properties.append(p)
+ 754            elif p_loc == exp.Properties.Location.POST_SCHEMA:
+ 755                root_properties.append(p)
+ 756
+ 757        return self.root_properties(
+ 758            exp.Properties(expressions=root_properties)
+ 759        ) + self.with_properties(exp.Properties(expressions=with_properties))
+ 760
+ 761    def root_properties(self, properties: exp.Properties) -> str:
+ 762        if properties.expressions:
+ 763            return self.sep() + self.expressions(properties, indent=False, sep=" ")
+ 764        return ""
+ 765
+ 766    def properties(
+ 767        self,
+ 768        properties: exp.Properties,
+ 769        prefix: str = "",
+ 770        sep: str = ", ",
+ 771        suffix: str = "",
+ 772        wrapped: bool = True,
+ 773    ) -> str:
+ 774        if properties.expressions:
+ 775            expressions = self.expressions(properties, sep=sep, indent=False)
+ 776            expressions = self.wrap(expressions) if wrapped else expressions
+ 777            return f"{prefix}{' ' if prefix and prefix != ' ' else ''}{expressions}{suffix}"
+ 778        return ""
+ 779
+ 780    def with_properties(self, properties: exp.Properties) -> str:
+ 781        return self.properties(properties, prefix=self.seg("WITH"))
  782
- 783        for p in properties.expressions:
- 784            p_loc = self.PROPERTIES_LOCATION[p.__class__]
- 785            if p_loc == exp.Properties.Location.POST_NAME:
- 786                properties_locs[exp.Properties.Location.POST_NAME].append(p)
- 787            elif p_loc == exp.Properties.Location.POST_INDEX:
- 788                properties_locs[exp.Properties.Location.POST_INDEX].append(p)
- 789            elif p_loc == exp.Properties.Location.POST_SCHEMA:
- 790                properties_locs[exp.Properties.Location.POST_SCHEMA].append(p)
- 791            elif p_loc == exp.Properties.Location.POST_WITH:
- 792                properties_locs[exp.Properties.Location.POST_WITH].append(p)
- 793            elif p_loc == exp.Properties.Location.POST_CREATE:
- 794                properties_locs[exp.Properties.Location.POST_CREATE].append(p)
- 795            elif p_loc == exp.Properties.Location.POST_ALIAS:
- 796                properties_locs[exp.Properties.Location.POST_ALIAS].append(p)
- 797            elif p_loc == exp.Properties.Location.POST_EXPRESSION:
- 798                properties_locs[exp.Properties.Location.POST_EXPRESSION].append(p)
- 799            elif p_loc == exp.Properties.Location.UNSUPPORTED:
- 800                self.unsupported(f"Unsupported property {p.key}")
- 801
- 802        return properties_locs
- 803
- 804    def property_sql(self, expression: exp.Property) -> str:
- 805        property_cls = expression.__class__
- 806        if property_cls == exp.Property:
- 807            return f"{expression.name}={self.sql(expression, 'value')}"
+ 783    def locate_properties(
+ 784        self, properties: exp.Properties
+ 785    ) -> t.Dict[exp.Properties.Location, list[exp.Property]]:
+ 786        properties_locs: t.Dict[exp.Properties.Location, list[exp.Property]] = {
+ 787            key: [] for key in exp.Properties.Location
+ 788        }
+ 789
+ 790        for p in properties.expressions:
+ 791            p_loc = self.PROPERTIES_LOCATION[p.__class__]
+ 792            if p_loc == exp.Properties.Location.POST_NAME:
+ 793                properties_locs[exp.Properties.Location.POST_NAME].append(p)
+ 794            elif p_loc == exp.Properties.Location.POST_INDEX:
+ 795                properties_locs[exp.Properties.Location.POST_INDEX].append(p)
+ 796            elif p_loc == exp.Properties.Location.POST_SCHEMA:
+ 797                properties_locs[exp.Properties.Location.POST_SCHEMA].append(p)
+ 798            elif p_loc == exp.Properties.Location.POST_WITH:
+ 799                properties_locs[exp.Properties.Location.POST_WITH].append(p)
+ 800            elif p_loc == exp.Properties.Location.POST_CREATE:
+ 801                properties_locs[exp.Properties.Location.POST_CREATE].append(p)
+ 802            elif p_loc == exp.Properties.Location.POST_ALIAS:
+ 803                properties_locs[exp.Properties.Location.POST_ALIAS].append(p)
+ 804            elif p_loc == exp.Properties.Location.POST_EXPRESSION:
+ 805                properties_locs[exp.Properties.Location.POST_EXPRESSION].append(p)
+ 806            elif p_loc == exp.Properties.Location.UNSUPPORTED:
+ 807                self.unsupported(f"Unsupported property {p.key}")
  808
- 809        property_name = exp.Properties.PROPERTY_TO_NAME.get(property_cls)
- 810        if not property_name:
- 811            self.unsupported(f"Unsupported property {expression.key}")
- 812
- 813        return f"{property_name}={self.sql(expression, 'this')}"
- 814
- 815    def likeproperty_sql(self, expression: exp.LikeProperty) -> str:
- 816        options = " ".join(f"{e.name} {self.sql(e, 'value')}" for e in expression.expressions)
- 817        options = f" {options}" if options else ""
- 818        return f"LIKE {self.sql(expression, 'this')}{options}"
+ 809        return properties_locs
+ 810
+ 811    def property_sql(self, expression: exp.Property) -> str:
+ 812        property_cls = expression.__class__
+ 813        if property_cls == exp.Property:
+ 814            return f"{expression.name}={self.sql(expression, 'value')}"
+ 815
+ 816        property_name = exp.Properties.PROPERTY_TO_NAME.get(property_cls)
+ 817        if not property_name:
+ 818            self.unsupported(f"Unsupported property {expression.key}")
  819
- 820    def fallbackproperty_sql(self, expression: exp.FallbackProperty) -> str:
- 821        no = "NO " if expression.args.get("no") else ""
- 822        protection = " PROTECTION" if expression.args.get("protection") else ""
- 823        return f"{no}FALLBACK{protection}"
- 824
- 825    def journalproperty_sql(self, expression: exp.JournalProperty) -> str:
- 826        no = "NO " if expression.args.get("no") else ""
- 827        dual = "DUAL " if expression.args.get("dual") else ""
- 828        before = "BEFORE " if expression.args.get("before") else ""
- 829        return f"{no}{dual}{before}JOURNAL"
- 830
- 831    def freespaceproperty_sql(self, expression: exp.FreespaceProperty) -> str:
- 832        freespace = self.sql(expression, "this")
- 833        percent = " PERCENT" if expression.args.get("percent") else ""
- 834        return f"FREESPACE={freespace}{percent}"
- 835
- 836    def afterjournalproperty_sql(self, expression: exp.AfterJournalProperty) -> str:
- 837        no = "NO " if expression.args.get("no") else ""
- 838        dual = "DUAL " if expression.args.get("dual") else ""
- 839        local = ""
- 840        if expression.args.get("local") is not None:
- 841            local = "LOCAL " if expression.args.get("local") else "NOT LOCAL "
- 842        return f"{no}{dual}{local}AFTER JOURNAL"
- 843
- 844    def checksumproperty_sql(self, expression: exp.ChecksumProperty) -> str:
- 845        if expression.args.get("default"):
- 846            property = "DEFAULT"
- 847        elif expression.args.get("on"):
- 848            property = "ON"
- 849        else:
- 850            property = "OFF"
- 851        return f"CHECKSUM={property}"
- 852
- 853    def mergeblockratioproperty_sql(self, expression: exp.MergeBlockRatioProperty) -> str:
- 854        if expression.args.get("no"):
- 855            return "NO MERGEBLOCKRATIO"
- 856        if expression.args.get("default"):
- 857            return "DEFAULT MERGEBLOCKRATIO"
- 858
- 859        percent = " PERCENT" if expression.args.get("percent") else ""
- 860        return f"MERGEBLOCKRATIO={self.sql(expression, 'this')}{percent}"
- 861
- 862    def datablocksizeproperty_sql(self, expression: exp.DataBlocksizeProperty) -> str:
- 863        default = expression.args.get("default")
- 864        min = expression.args.get("min")
- 865        if default is not None or min is not None:
- 866            if default:
- 867                property = "DEFAULT"
- 868            elif min:
- 869                property = "MINIMUM"
- 870            else:
- 871                property = "MAXIMUM"
- 872            return f"{property} DATABLOCKSIZE"
- 873        else:
- 874            units = expression.args.get("units")
- 875            units = f" {units}" if units else ""
- 876            return f"DATABLOCKSIZE={self.sql(expression, 'size')}{units}"
- 877
- 878    def blockcompressionproperty_sql(self, expression: exp.BlockCompressionProperty) -> str:
- 879        autotemp = expression.args.get("autotemp")
- 880        always = expression.args.get("always")
- 881        default = expression.args.get("default")
- 882        manual = expression.args.get("manual")
- 883        never = expression.args.get("never")
+ 820        return f"{property_name}={self.sql(expression, 'this')}"
+ 821
+ 822    def likeproperty_sql(self, expression: exp.LikeProperty) -> str:
+ 823        options = " ".join(f"{e.name} {self.sql(e, 'value')}" for e in expression.expressions)
+ 824        options = f" {options}" if options else ""
+ 825        return f"LIKE {self.sql(expression, 'this')}{options}"
+ 826
+ 827    def fallbackproperty_sql(self, expression: exp.FallbackProperty) -> str:
+ 828        no = "NO " if expression.args.get("no") else ""
+ 829        protection = " PROTECTION" if expression.args.get("protection") else ""
+ 830        return f"{no}FALLBACK{protection}"
+ 831
+ 832    def journalproperty_sql(self, expression: exp.JournalProperty) -> str:
+ 833        no = "NO " if expression.args.get("no") else ""
+ 834        dual = "DUAL " if expression.args.get("dual") else ""
+ 835        before = "BEFORE " if expression.args.get("before") else ""
+ 836        return f"{no}{dual}{before}JOURNAL"
+ 837
+ 838    def freespaceproperty_sql(self, expression: exp.FreespaceProperty) -> str:
+ 839        freespace = self.sql(expression, "this")
+ 840        percent = " PERCENT" if expression.args.get("percent") else ""
+ 841        return f"FREESPACE={freespace}{percent}"
+ 842
+ 843    def afterjournalproperty_sql(self, expression: exp.AfterJournalProperty) -> str:
+ 844        no = "NO " if expression.args.get("no") else ""
+ 845        dual = "DUAL " if expression.args.get("dual") else ""
+ 846        local = ""
+ 847        if expression.args.get("local") is not None:
+ 848            local = "LOCAL " if expression.args.get("local") else "NOT LOCAL "
+ 849        return f"{no}{dual}{local}AFTER JOURNAL"
+ 850
+ 851    def checksumproperty_sql(self, expression: exp.ChecksumProperty) -> str:
+ 852        if expression.args.get("default"):
+ 853            property = "DEFAULT"
+ 854        elif expression.args.get("on"):
+ 855            property = "ON"
+ 856        else:
+ 857            property = "OFF"
+ 858        return f"CHECKSUM={property}"
+ 859
+ 860    def mergeblockratioproperty_sql(self, expression: exp.MergeBlockRatioProperty) -> str:
+ 861        if expression.args.get("no"):
+ 862            return "NO MERGEBLOCKRATIO"
+ 863        if expression.args.get("default"):
+ 864            return "DEFAULT MERGEBLOCKRATIO"
+ 865
+ 866        percent = " PERCENT" if expression.args.get("percent") else ""
+ 867        return f"MERGEBLOCKRATIO={self.sql(expression, 'this')}{percent}"
+ 868
+ 869    def datablocksizeproperty_sql(self, expression: exp.DataBlocksizeProperty) -> str:
+ 870        default = expression.args.get("default")
+ 871        min = expression.args.get("min")
+ 872        if default is not None or min is not None:
+ 873            if default:
+ 874                property = "DEFAULT"
+ 875            elif min:
+ 876                property = "MINIMUM"
+ 877            else:
+ 878                property = "MAXIMUM"
+ 879            return f"{property} DATABLOCKSIZE"
+ 880        else:
+ 881            units = expression.args.get("units")
+ 882            units = f" {units}" if units else ""
+ 883            return f"DATABLOCKSIZE={self.sql(expression, 'size')}{units}"
  884
- 885        if autotemp is not None:
- 886            property = f"AUTOTEMP({self.expressions(autotemp)})"
- 887        elif always:
- 888            property = "ALWAYS"
- 889        elif default:
- 890            property = "DEFAULT"
- 891        elif manual:
- 892            property = "MANUAL"
- 893        elif never:
- 894            property = "NEVER"
- 895        return f"BLOCKCOMPRESSION={property}"
- 896
- 897    def isolatedloadingproperty_sql(self, expression: exp.IsolatedLoadingProperty) -> str:
- 898        no = expression.args.get("no")
- 899        no = " NO" if no else ""
- 900        concurrent = expression.args.get("concurrent")
- 901        concurrent = " CONCURRENT" if concurrent else ""
- 902
- 903        for_ = ""
- 904        if expression.args.get("for_all"):
- 905            for_ = " FOR ALL"
- 906        elif expression.args.get("for_insert"):
- 907            for_ = " FOR INSERT"
- 908        elif expression.args.get("for_none"):
- 909            for_ = " FOR NONE"
- 910        return f"WITH{no}{concurrent} ISOLATED LOADING{for_}"
- 911
- 912    def lockingproperty_sql(self, expression: exp.LockingProperty) -> str:
- 913        kind = expression.args.get("kind")
- 914        this: str = f" {this}" if expression.this else ""
- 915        for_or_in = expression.args.get("for_or_in")
- 916        lock_type = expression.args.get("lock_type")
- 917        override = " OVERRIDE" if expression.args.get("override") else ""
- 918        return f"LOCKING {kind}{this} {for_or_in} {lock_type}{override}"
- 919
- 920    def withdataproperty_sql(self, expression: exp.WithDataProperty) -> str:
- 921        data_sql = f"WITH {'NO ' if expression.args.get('no') else ''}DATA"
- 922        statistics = expression.args.get("statistics")
- 923        statistics_sql = ""
- 924        if statistics is not None:
- 925            statistics_sql = f" AND {'NO ' if not statistics else ''}STATISTICS"
- 926        return f"{data_sql}{statistics_sql}"
- 927
- 928    def insert_sql(self, expression: exp.Insert) -> str:
- 929        overwrite = expression.args.get("overwrite")
- 930
- 931        if isinstance(expression.this, exp.Directory):
- 932            this = "OVERWRITE " if overwrite else "INTO "
- 933        else:
- 934            this = "OVERWRITE TABLE " if overwrite else "INTO "
- 935
- 936        alternative = expression.args.get("alternative")
- 937        alternative = f" OR {alternative} " if alternative else " "
- 938        this = f"{this}{self.sql(expression, 'this')}"
- 939
- 940        exists = " IF EXISTS " if expression.args.get("exists") else " "
- 941        partition_sql = (
- 942            self.sql(expression, "partition") if expression.args.get("partition") else ""
- 943        )
- 944        expression_sql = self.sql(expression, "expression")
- 945        sep = self.sep() if partition_sql else ""
- 946        sql = f"INSERT{alternative}{this}{exists}{partition_sql}{sep}{expression_sql}"
- 947        return self.prepend_ctes(expression, sql)
- 948
- 949    def intersect_sql(self, expression: exp.Intersect) -> str:
- 950        return self.prepend_ctes(
- 951            expression,
- 952            self.set_operation(expression, self.intersect_op(expression)),
- 953        )
- 954
- 955    def intersect_op(self, expression: exp.Intersect) -> str:
- 956        return f"INTERSECT{'' if expression.args.get('distinct') else ' ALL'}"
- 957
- 958    def introducer_sql(self, expression: exp.Introducer) -> str:
- 959        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
- 960
- 961    def pseudotype_sql(self, expression: exp.PseudoType) -> str:
- 962        return expression.name.upper()
- 963
- 964    def rowformatdelimitedproperty_sql(self, expression: exp.RowFormatDelimitedProperty) -> str:
- 965        fields = expression.args.get("fields")
- 966        fields = f" FIELDS TERMINATED BY {fields}" if fields else ""
- 967        escaped = expression.args.get("escaped")
- 968        escaped = f" ESCAPED BY {escaped}" if escaped else ""
- 969        items = expression.args.get("collection_items")
- 970        items = f" COLLECTION ITEMS TERMINATED BY {items}" if items else ""
- 971        keys = expression.args.get("map_keys")
- 972        keys = f" MAP KEYS TERMINATED BY {keys}" if keys else ""
- 973        lines = expression.args.get("lines")
- 974        lines = f" LINES TERMINATED BY {lines}" if lines else ""
- 975        null = expression.args.get("null")
- 976        null = f" NULL DEFINED AS {null}" if null else ""
- 977        return f"ROW FORMAT DELIMITED{fields}{escaped}{items}{keys}{lines}{null}"
- 978
- 979    def table_sql(self, expression: exp.Table, sep: str = " AS ") -> str:
- 980        table = ".".join(
- 981            part
- 982            for part in [
- 983                self.sql(expression, "catalog"),
- 984                self.sql(expression, "db"),
- 985                self.sql(expression, "this"),
- 986            ]
- 987            if part
- 988        )
- 989
- 990        alias = self.sql(expression, "alias")
- 991        alias = f"{sep}{alias}" if alias else ""
- 992        hints = self.expressions(expression, key="hints", sep=", ", flat=True)
- 993        hints = f" WITH ({hints})" if hints else ""
- 994        laterals = self.expressions(expression, key="laterals", sep="")
- 995        joins = self.expressions(expression, key="joins", sep="")
- 996        pivots = self.expressions(expression, key="pivots", sep="")
- 997        system_time = expression.args.get("system_time")
- 998        system_time = f" {self.sql(expression, 'system_time')}" if system_time else ""
- 999
-1000        return f"{table}{system_time}{alias}{hints}{laterals}{joins}{pivots}"
-1001
-1002    def tablesample_sql(self, expression: exp.TableSample) -> str:
-1003        if self.alias_post_tablesample and expression.this.alias:
-1004            this = self.sql(expression.this, "this")
-1005            alias = f" AS {self.sql(expression.this, 'alias')}"
-1006        else:
-1007            this = self.sql(expression, "this")
-1008            alias = ""
-1009        method = self.sql(expression, "method")
-1010        method = f" {method.upper()} " if method else ""
-1011        numerator = self.sql(expression, "bucket_numerator")
-1012        denominator = self.sql(expression, "bucket_denominator")
-1013        field = self.sql(expression, "bucket_field")
-1014        field = f" ON {field}" if field else ""
-1015        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
-1016        percent = self.sql(expression, "percent")
-1017        percent = f"{percent} PERCENT" if percent else ""
-1018        rows = self.sql(expression, "rows")
-1019        rows = f"{rows} ROWS" if rows else ""
-1020        size = self.sql(expression, "size")
-1021        seed = self.sql(expression, "seed")
-1022        seed = f" SEED ({seed})" if seed else ""
-1023        return f"{this} TABLESAMPLE{method}({bucket}{percent}{rows}{size}){seed}{alias}"
-1024
-1025    def pivot_sql(self, expression: exp.Pivot) -> str:
-1026        this = self.sql(expression, "this")
-1027        alias = self.sql(expression, "alias")
-1028        alias = f" AS {alias}" if alias else ""
-1029        unpivot = expression.args.get("unpivot")
-1030        direction = "UNPIVOT" if unpivot else "PIVOT"
-1031        expressions = self.expressions(expression, key="expressions")
-1032        field = self.sql(expression, "field")
-1033        return f"{this} {direction}({expressions} FOR {field}){alias}"
-1034
-1035    def tuple_sql(self, expression: exp.Tuple) -> str:
-1036        return f"({self.expressions(expression, flat=True)})"
-1037
-1038    def update_sql(self, expression: exp.Update) -> str:
-1039        this = self.sql(expression, "this")
-1040        set_sql = self.expressions(expression, flat=True)
-1041        from_sql = self.sql(expression, "from")
-1042        where_sql = self.sql(expression, "where")
-1043        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}"
-1044        return self.prepend_ctes(expression, sql)
-1045
-1046    def values_sql(self, expression: exp.Values) -> str:
-1047        args = self.expressions(expression)
-1048        alias = self.sql(expression, "alias")
-1049        values = f"VALUES{self.seg('')}{args}"
-1050        values = (
-1051            f"({values})"
-1052            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
-1053            else values
-1054        )
-1055        return f"{values} AS {alias}" if alias else values
-1056
-1057    def var_sql(self, expression: exp.Var) -> str:
-1058        return self.sql(expression, "this")
-1059
-1060    def into_sql(self, expression: exp.Into) -> str:
-1061        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
-1062        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
-1063        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
-1064
-1065    def from_sql(self, expression: exp.From) -> str:
-1066        expressions = self.expressions(expression, flat=True)
-1067        return f"{self.seg('FROM')} {expressions}"
-1068
-1069    def group_sql(self, expression: exp.Group) -> str:
-1070        group_by = self.op_expressions("GROUP BY", expression)
-1071        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
-1072        grouping_sets = (
-1073            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
-1074        )
+ 885    def blockcompressionproperty_sql(self, expression: exp.BlockCompressionProperty) -> str:
+ 886        autotemp = expression.args.get("autotemp")
+ 887        always = expression.args.get("always")
+ 888        default = expression.args.get("default")
+ 889        manual = expression.args.get("manual")
+ 890        never = expression.args.get("never")
+ 891
+ 892        if autotemp is not None:
+ 893            property = f"AUTOTEMP({self.expressions(autotemp)})"
+ 894        elif always:
+ 895            property = "ALWAYS"
+ 896        elif default:
+ 897            property = "DEFAULT"
+ 898        elif manual:
+ 899            property = "MANUAL"
+ 900        elif never:
+ 901            property = "NEVER"
+ 902        return f"BLOCKCOMPRESSION={property}"
+ 903
+ 904    def isolatedloadingproperty_sql(self, expression: exp.IsolatedLoadingProperty) -> str:
+ 905        no = expression.args.get("no")
+ 906        no = " NO" if no else ""
+ 907        concurrent = expression.args.get("concurrent")
+ 908        concurrent = " CONCURRENT" if concurrent else ""
+ 909
+ 910        for_ = ""
+ 911        if expression.args.get("for_all"):
+ 912            for_ = " FOR ALL"
+ 913        elif expression.args.get("for_insert"):
+ 914            for_ = " FOR INSERT"
+ 915        elif expression.args.get("for_none"):
+ 916            for_ = " FOR NONE"
+ 917        return f"WITH{no}{concurrent} ISOLATED LOADING{for_}"
+ 918
+ 919    def lockingproperty_sql(self, expression: exp.LockingProperty) -> str:
+ 920        kind = expression.args.get("kind")
+ 921        this: str = f" {this}" if expression.this else ""
+ 922        for_or_in = expression.args.get("for_or_in")
+ 923        lock_type = expression.args.get("lock_type")
+ 924        override = " OVERRIDE" if expression.args.get("override") else ""
+ 925        return f"LOCKING {kind}{this} {for_or_in} {lock_type}{override}"
+ 926
+ 927    def withdataproperty_sql(self, expression: exp.WithDataProperty) -> str:
+ 928        data_sql = f"WITH {'NO ' if expression.args.get('no') else ''}DATA"
+ 929        statistics = expression.args.get("statistics")
+ 930        statistics_sql = ""
+ 931        if statistics is not None:
+ 932            statistics_sql = f" AND {'NO ' if not statistics else ''}STATISTICS"
+ 933        return f"{data_sql}{statistics_sql}"
+ 934
+ 935    def insert_sql(self, expression: exp.Insert) -> str:
+ 936        overwrite = expression.args.get("overwrite")
+ 937
+ 938        if isinstance(expression.this, exp.Directory):
+ 939            this = "OVERWRITE " if overwrite else "INTO "
+ 940        else:
+ 941            this = "OVERWRITE TABLE " if overwrite else "INTO "
+ 942
+ 943        alternative = expression.args.get("alternative")
+ 944        alternative = f" OR {alternative} " if alternative else " "
+ 945        this = f"{this}{self.sql(expression, 'this')}"
+ 946
+ 947        exists = " IF EXISTS " if expression.args.get("exists") else " "
+ 948        partition_sql = (
+ 949            self.sql(expression, "partition") if expression.args.get("partition") else ""
+ 950        )
+ 951        expression_sql = self.sql(expression, "expression")
+ 952        sep = self.sep() if partition_sql else ""
+ 953        sql = f"INSERT{alternative}{this}{exists}{partition_sql}{sep}{expression_sql}"
+ 954        return self.prepend_ctes(expression, sql)
+ 955
+ 956    def intersect_sql(self, expression: exp.Intersect) -> str:
+ 957        return self.prepend_ctes(
+ 958            expression,
+ 959            self.set_operation(expression, self.intersect_op(expression)),
+ 960        )
+ 961
+ 962    def intersect_op(self, expression: exp.Intersect) -> str:
+ 963        return f"INTERSECT{'' if expression.args.get('distinct') else ' ALL'}"
+ 964
+ 965    def introducer_sql(self, expression: exp.Introducer) -> str:
+ 966        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
+ 967
+ 968    def pseudotype_sql(self, expression: exp.PseudoType) -> str:
+ 969        return expression.name.upper()
+ 970
+ 971    def rowformatdelimitedproperty_sql(self, expression: exp.RowFormatDelimitedProperty) -> str:
+ 972        fields = expression.args.get("fields")
+ 973        fields = f" FIELDS TERMINATED BY {fields}" if fields else ""
+ 974        escaped = expression.args.get("escaped")
+ 975        escaped = f" ESCAPED BY {escaped}" if escaped else ""
+ 976        items = expression.args.get("collection_items")
+ 977        items = f" COLLECTION ITEMS TERMINATED BY {items}" if items else ""
+ 978        keys = expression.args.get("map_keys")
+ 979        keys = f" MAP KEYS TERMINATED BY {keys}" if keys else ""
+ 980        lines = expression.args.get("lines")
+ 981        lines = f" LINES TERMINATED BY {lines}" if lines else ""
+ 982        null = expression.args.get("null")
+ 983        null = f" NULL DEFINED AS {null}" if null else ""
+ 984        return f"ROW FORMAT DELIMITED{fields}{escaped}{items}{keys}{lines}{null}"
+ 985
+ 986    def table_sql(self, expression: exp.Table, sep: str = " AS ") -> str:
+ 987        table = ".".join(
+ 988            part
+ 989            for part in [
+ 990                self.sql(expression, "catalog"),
+ 991                self.sql(expression, "db"),
+ 992                self.sql(expression, "this"),
+ 993            ]
+ 994            if part
+ 995        )
+ 996
+ 997        alias = self.sql(expression, "alias")
+ 998        alias = f"{sep}{alias}" if alias else ""
+ 999        hints = self.expressions(expression, key="hints", sep=", ", flat=True)
+1000        hints = f" WITH ({hints})" if hints else ""
+1001        laterals = self.expressions(expression, key="laterals", sep="")
+1002        joins = self.expressions(expression, key="joins", sep="")
+1003        pivots = self.expressions(expression, key="pivots", sep="")
+1004        system_time = expression.args.get("system_time")
+1005        system_time = f" {self.sql(expression, 'system_time')}" if system_time else ""
+1006
+1007        return f"{table}{system_time}{alias}{hints}{laterals}{joins}{pivots}"
+1008
+1009    def tablesample_sql(self, expression: exp.TableSample) -> str:
+1010        if self.alias_post_tablesample and expression.this.alias:
+1011            this = self.sql(expression.this, "this")
+1012            alias = f" AS {self.sql(expression.this, 'alias')}"
+1013        else:
+1014            this = self.sql(expression, "this")
+1015            alias = ""
+1016        method = self.sql(expression, "method")
+1017        method = f" {method.upper()} " if method else ""
+1018        numerator = self.sql(expression, "bucket_numerator")
+1019        denominator = self.sql(expression, "bucket_denominator")
+1020        field = self.sql(expression, "bucket_field")
+1021        field = f" ON {field}" if field else ""
+1022        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
+1023        percent = self.sql(expression, "percent")
+1024        percent = f"{percent} PERCENT" if percent else ""
+1025        rows = self.sql(expression, "rows")
+1026        rows = f"{rows} ROWS" if rows else ""
+1027        size = self.sql(expression, "size")
+1028        seed = self.sql(expression, "seed")
+1029        seed = f" SEED ({seed})" if seed else ""
+1030        return f"{this} TABLESAMPLE{method}({bucket}{percent}{rows}{size}){seed}{alias}"
+1031
+1032    def pivot_sql(self, expression: exp.Pivot) -> str:
+1033        this = self.sql(expression, "this")
+1034        alias = self.sql(expression, "alias")
+1035        alias = f" AS {alias}" if alias else ""
+1036        unpivot = expression.args.get("unpivot")
+1037        direction = "UNPIVOT" if unpivot else "PIVOT"
+1038        expressions = self.expressions(expression, key="expressions")
+1039        field = self.sql(expression, "field")
+1040        return f"{this} {direction}({expressions} FOR {field}){alias}"
+1041
+1042    def tuple_sql(self, expression: exp.Tuple) -> str:
+1043        return f"({self.expressions(expression, flat=True)})"
+1044
+1045    def update_sql(self, expression: exp.Update) -> str:
+1046        this = self.sql(expression, "this")
+1047        set_sql = self.expressions(expression, flat=True)
+1048        from_sql = self.sql(expression, "from")
+1049        where_sql = self.sql(expression, "where")
+1050        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}"
+1051        return self.prepend_ctes(expression, sql)
+1052
+1053    def values_sql(self, expression: exp.Values) -> str:
+1054        args = self.expressions(expression)
+1055        alias = self.sql(expression, "alias")
+1056        values = f"VALUES{self.seg('')}{args}"
+1057        values = (
+1058            f"({values})"
+1059            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
+1060            else values
+1061        )
+1062        return f"{values} AS {alias}" if alias else values
+1063
+1064    def var_sql(self, expression: exp.Var) -> str:
+1065        return self.sql(expression, "this")
+1066
+1067    def into_sql(self, expression: exp.Into) -> str:
+1068        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
+1069        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
+1070        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
+1071
+1072    def from_sql(self, expression: exp.From) -> str:
+1073        expressions = self.expressions(expression, flat=True)
+1074        return f"{self.seg('FROM')} {expressions}"
 1075
-1076        cube = expression.args.get("cube", [])
-1077        if seq_get(cube, 0) is True:
-1078            return f"{group_by}{self.seg('WITH CUBE')}"
-1079        else:
-1080            cube_sql = self.expressions(expression, key="cube", indent=False)
-1081            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
+1076    def group_sql(self, expression: exp.Group) -> str:
+1077        group_by = self.op_expressions("GROUP BY", expression)
+1078        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
+1079        grouping_sets = (
+1080            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
+1081        )
 1082
-1083        rollup = expression.args.get("rollup", [])
-1084        if seq_get(rollup, 0) is True:
-1085            return f"{group_by}{self.seg('WITH ROLLUP')}"
+1083        cube = expression.args.get("cube", [])
+1084        if seq_get(cube, 0) is True:
+1085            return f"{group_by}{self.seg('WITH CUBE')}"
 1086        else:
-1087            rollup_sql = self.expressions(expression, key="rollup", indent=False)
-1088            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
+1087            cube_sql = self.expressions(expression, key="cube", indent=False)
+1088            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
 1089
-1090        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
-1091
-1092        if expression.args.get("expressions") and groupings:
-1093            group_by = f"{group_by},"
-1094
-1095        return f"{group_by}{groupings}"
+1090        rollup = expression.args.get("rollup", [])
+1091        if seq_get(rollup, 0) is True:
+1092            return f"{group_by}{self.seg('WITH ROLLUP')}"
+1093        else:
+1094            rollup_sql = self.expressions(expression, key="rollup", indent=False)
+1095            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
 1096
-1097    def having_sql(self, expression: exp.Having) -> str:
-1098        this = self.indent(self.sql(expression, "this"))
-1099        return f"{self.seg('HAVING')}{self.sep()}{this}"
-1100
-1101    def join_sql(self, expression: exp.Join) -> str:
-1102        op_sql = self.seg(
-1103            " ".join(
-1104                op
-1105                for op in (
-1106                    "NATURAL" if expression.args.get("natural") else None,
-1107                    expression.side,
-1108                    expression.kind,
-1109                    "JOIN",
-1110                )
-1111                if op
-1112            )
-1113        )
-1114        on_sql = self.sql(expression, "on")
-1115        using = expression.args.get("using")
-1116
-1117        if not on_sql and using:
-1118            on_sql = csv(*(self.sql(column) for column in using))
-1119
-1120        if on_sql:
-1121            on_sql = self.indent(on_sql, skip_first=True)
-1122            space = self.seg(" " * self.pad) if self.pretty else " "
-1123            if using:
-1124                on_sql = f"{space}USING ({on_sql})"
-1125            else:
-1126                on_sql = f"{space}ON {on_sql}"
-1127
-1128        expression_sql = self.sql(expression, "expression")
-1129        this_sql = self.sql(expression, "this")
-1130        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
-1131
-1132    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
-1133        args = self.expressions(expression, flat=True)
-1134        args = f"({args})" if len(args.split(",")) > 1 else args
-1135        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
-1136
-1137    def lateral_sql(self, expression: exp.Lateral) -> str:
-1138        this = self.sql(expression, "this")
-1139
-1140        if isinstance(expression.this, exp.Subquery):
-1141            return f"LATERAL {this}"
-1142
-1143        if expression.args.get("view"):
-1144            alias = expression.args["alias"]
-1145            columns = self.expressions(alias, key="columns", flat=True)
-1146            table = f" {alias.name}" if alias.name else ""
-1147            columns = f" AS {columns}" if columns else ""
-1148            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
-1149            return f"{op_sql}{self.sep()}{this}{table}{columns}"
-1150
-1151        alias = self.sql(expression, "alias")
-1152        alias = f" AS {alias}" if alias else ""
-1153        return f"LATERAL {this}{alias}"
-1154
-1155    def limit_sql(self, expression: exp.Limit) -> str:
-1156        this = self.sql(expression, "this")
-1157        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
-1158
-1159    def offset_sql(self, expression: exp.Offset) -> str:
-1160        this = self.sql(expression, "this")
-1161        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
-1162
-1163    def lock_sql(self, expression: exp.Lock) -> str:
-1164        if self.LOCKING_READS_SUPPORTED:
-1165            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
-1166            return self.seg(f"FOR {lock_type}")
-1167
-1168        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
-1169        return ""
-1170
-1171    def literal_sql(self, expression: exp.Literal) -> str:
-1172        text = expression.this or ""
-1173        if expression.is_string:
-1174            text = text.replace(self.quote_end, self._escaped_quote_end)
-1175            if self.pretty:
-1176                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
-1177            text = f"{self.quote_start}{text}{self.quote_end}"
-1178        return text
-1179
-1180    def loaddata_sql(self, expression: exp.LoadData) -> str:
-1181        local = " LOCAL" if expression.args.get("local") else ""
-1182        inpath = f" INPATH {self.sql(expression, 'inpath')}"
-1183        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
-1184        this = f" INTO TABLE {self.sql(expression, 'this')}"
-1185        partition = self.sql(expression, "partition")
-1186        partition = f" {partition}" if partition else ""
-1187        input_format = self.sql(expression, "input_format")
-1188        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
-1189        serde = self.sql(expression, "serde")
-1190        serde = f" SERDE {serde}" if serde else ""
-1191        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
-1192
-1193    def null_sql(self, *_) -> str:
-1194        return "NULL"
-1195
-1196    def boolean_sql(self, expression: exp.Boolean) -> str:
-1197        return "TRUE" if expression.this else "FALSE"
-1198
-1199    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
-1200        this = self.sql(expression, "this")
-1201        this = f"{this} " if this else this
-1202        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
-1203
-1204    def cluster_sql(self, expression: exp.Cluster) -> str:
-1205        return self.op_expressions("CLUSTER BY", expression)
-1206
-1207    def distribute_sql(self, expression: exp.Distribute) -> str:
-1208        return self.op_expressions("DISTRIBUTE BY", expression)
-1209
-1210    def sort_sql(self, expression: exp.Sort) -> str:
-1211        return self.op_expressions("SORT BY", expression)
-1212
-1213    def ordered_sql(self, expression: exp.Ordered) -> str:
-1214        desc = expression.args.get("desc")
-1215        asc = not desc
+1097        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
+1098
+1099        if expression.args.get("expressions") and groupings:
+1100            group_by = f"{group_by},"
+1101
+1102        return f"{group_by}{groupings}"
+1103
+1104    def having_sql(self, expression: exp.Having) -> str:
+1105        this = self.indent(self.sql(expression, "this"))
+1106        return f"{self.seg('HAVING')}{self.sep()}{this}"
+1107
+1108    def join_sql(self, expression: exp.Join) -> str:
+1109        op_sql = self.seg(
+1110            " ".join(
+1111                op
+1112                for op in (
+1113                    "NATURAL" if expression.args.get("natural") else None,
+1114                    expression.side,
+1115                    expression.kind,
+1116                    "JOIN",
+1117                )
+1118                if op
+1119            )
+1120        )
+1121        on_sql = self.sql(expression, "on")
+1122        using = expression.args.get("using")
+1123
+1124        if not on_sql and using:
+1125            on_sql = csv(*(self.sql(column) for column in using))
+1126
+1127        if on_sql:
+1128            on_sql = self.indent(on_sql, skip_first=True)
+1129            space = self.seg(" " * self.pad) if self.pretty else " "
+1130            if using:
+1131                on_sql = f"{space}USING ({on_sql})"
+1132            else:
+1133                on_sql = f"{space}ON {on_sql}"
+1134
+1135        expression_sql = self.sql(expression, "expression")
+1136        this_sql = self.sql(expression, "this")
+1137        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
+1138
+1139    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
+1140        args = self.expressions(expression, flat=True)
+1141        args = f"({args})" if len(args.split(",")) > 1 else args
+1142        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
+1143
+1144    def lateral_sql(self, expression: exp.Lateral) -> str:
+1145        this = self.sql(expression, "this")
+1146
+1147        if isinstance(expression.this, exp.Subquery):
+1148            return f"LATERAL {this}"
+1149
+1150        if expression.args.get("view"):
+1151            alias = expression.args["alias"]
+1152            columns = self.expressions(alias, key="columns", flat=True)
+1153            table = f" {alias.name}" if alias.name else ""
+1154            columns = f" AS {columns}" if columns else ""
+1155            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
+1156            return f"{op_sql}{self.sep()}{this}{table}{columns}"
+1157
+1158        alias = self.sql(expression, "alias")
+1159        alias = f" AS {alias}" if alias else ""
+1160        return f"LATERAL {this}{alias}"
+1161
+1162    def limit_sql(self, expression: exp.Limit) -> str:
+1163        this = self.sql(expression, "this")
+1164        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
+1165
+1166    def offset_sql(self, expression: exp.Offset) -> str:
+1167        this = self.sql(expression, "this")
+1168        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
+1169
+1170    def lock_sql(self, expression: exp.Lock) -> str:
+1171        if self.LOCKING_READS_SUPPORTED:
+1172            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
+1173            return self.seg(f"FOR {lock_type}")
+1174
+1175        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
+1176        return ""
+1177
+1178    def literal_sql(self, expression: exp.Literal) -> str:
+1179        text = expression.this or ""
+1180        if expression.is_string:
+1181            text = text.replace(self.quote_end, self._escaped_quote_end)
+1182            if self.pretty:
+1183                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
+1184            text = f"{self.quote_start}{text}{self.quote_end}"
+1185        return text
+1186
+1187    def loaddata_sql(self, expression: exp.LoadData) -> str:
+1188        local = " LOCAL" if expression.args.get("local") else ""
+1189        inpath = f" INPATH {self.sql(expression, 'inpath')}"
+1190        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
+1191        this = f" INTO TABLE {self.sql(expression, 'this')}"
+1192        partition = self.sql(expression, "partition")
+1193        partition = f" {partition}" if partition else ""
+1194        input_format = self.sql(expression, "input_format")
+1195        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
+1196        serde = self.sql(expression, "serde")
+1197        serde = f" SERDE {serde}" if serde else ""
+1198        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
+1199
+1200    def null_sql(self, *_) -> str:
+1201        return "NULL"
+1202
+1203    def boolean_sql(self, expression: exp.Boolean) -> str:
+1204        return "TRUE" if expression.this else "FALSE"
+1205
+1206    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
+1207        this = self.sql(expression, "this")
+1208        this = f"{this} " if this else this
+1209        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
+1210
+1211    def cluster_sql(self, expression: exp.Cluster) -> str:
+1212        return self.op_expressions("CLUSTER BY", expression)
+1213
+1214    def distribute_sql(self, expression: exp.Distribute) -> str:
+1215        return self.op_expressions("DISTRIBUTE BY", expression)
 1216
-1217        nulls_first = expression.args.get("nulls_first")
-1218        nulls_last = not nulls_first
-1219        nulls_are_large = self.null_ordering == "nulls_are_large"
-1220        nulls_are_small = self.null_ordering == "nulls_are_small"
-1221        nulls_are_last = self.null_ordering == "nulls_are_last"
-1222
-1223        sort_order = " DESC" if desc else ""
-1224        nulls_sort_change = ""
-1225        if nulls_first and (
-1226            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
-1227        ):
-1228            nulls_sort_change = " NULLS FIRST"
-1229        elif (
-1230            nulls_last
-1231            and ((asc and nulls_are_small) or (desc and nulls_are_large))
-1232            and not nulls_are_last
-1233        ):
-1234            nulls_sort_change = " NULLS LAST"
-1235
-1236        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
-1237            self.unsupported(
-1238                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
-1239            )
-1240            nulls_sort_change = ""
-1241
-1242        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
-1243
-1244    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
-1245        partition = self.partition_by_sql(expression)
-1246        order = self.sql(expression, "order")
-1247        measures = self.sql(expression, "measures")
-1248        measures = self.seg(f"MEASURES {measures}") if measures else ""
-1249        rows = self.sql(expression, "rows")
-1250        rows = self.seg(rows) if rows else ""
-1251        after = self.sql(expression, "after")
-1252        after = self.seg(after) if after else ""
-1253        pattern = self.sql(expression, "pattern")
-1254        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
-1255        define = self.sql(expression, "define")
-1256        define = self.seg(f"DEFINE {define}") if define else ""
-1257        body = "".join(
-1258            (
-1259                partition,
-1260                order,
-1261                measures,
-1262                rows,
-1263                after,
-1264                pattern,
-1265                define,
-1266            )
-1267        )
-1268        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}"
-1269
-1270    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
-1271        return csv(
-1272            *sqls,
-1273            *[self.sql(sql) for sql in expression.args.get("joins") or []],
-1274            self.sql(expression, "match"),
-1275            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
-1276            self.sql(expression, "where"),
-1277            self.sql(expression, "group"),
-1278            self.sql(expression, "having"),
-1279            self.sql(expression, "qualify"),
-1280            self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
-1281            if expression.args.get("windows")
-1282            else "",
-1283            self.sql(expression, "distribute"),
-1284            self.sql(expression, "sort"),
-1285            self.sql(expression, "cluster"),
-1286            self.sql(expression, "order"),
-1287            self.sql(expression, "limit"),
-1288            self.sql(expression, "offset"),
-1289            self.sql(expression, "lock"),
-1290            sep="",
-1291        )
-1292
-1293    def select_sql(self, expression: exp.Select) -> str:
-1294        hint = self.sql(expression, "hint")
-1295        distinct = self.sql(expression, "distinct")
-1296        distinct = f" {distinct}" if distinct else ""
-1297        expressions = self.expressions(expression)
-1298        expressions = f"{self.sep()}{expressions}" if expressions else expressions
-1299        sql = self.query_modifiers(
-1300            expression,
-1301            f"SELECT{hint}{distinct}{expressions}",
-1302            self.sql(expression, "into", comment=False),
-1303            self.sql(expression, "from", comment=False),
-1304        )
-1305        return self.prepend_ctes(expression, sql)
-1306
-1307    def schema_sql(self, expression: exp.Schema) -> str:
-1308        this = self.sql(expression, "this")
-1309        this = f"{this} " if this else ""
-1310        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
-1311        return f"{this}{sql}"
-1312
-1313    def star_sql(self, expression: exp.Star) -> str:
-1314        except_ = self.expressions(expression, key="except", flat=True)
-1315        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
-1316        replace = self.expressions(expression, key="replace", flat=True)
-1317        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
-1318        return f"*{except_}{replace}"
+1217    def sort_sql(self, expression: exp.Sort) -> str:
+1218        return self.op_expressions("SORT BY", expression)
+1219
+1220    def ordered_sql(self, expression: exp.Ordered) -> str:
+1221        desc = expression.args.get("desc")
+1222        asc = not desc
+1223
+1224        nulls_first = expression.args.get("nulls_first")
+1225        nulls_last = not nulls_first
+1226        nulls_are_large = self.null_ordering == "nulls_are_large"
+1227        nulls_are_small = self.null_ordering == "nulls_are_small"
+1228        nulls_are_last = self.null_ordering == "nulls_are_last"
+1229
+1230        sort_order = " DESC" if desc else ""
+1231        nulls_sort_change = ""
+1232        if nulls_first and (
+1233            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
+1234        ):
+1235            nulls_sort_change = " NULLS FIRST"
+1236        elif (
+1237            nulls_last
+1238            and ((asc and nulls_are_small) or (desc and nulls_are_large))
+1239            and not nulls_are_last
+1240        ):
+1241            nulls_sort_change = " NULLS LAST"
+1242
+1243        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
+1244            self.unsupported(
+1245                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
+1246            )
+1247            nulls_sort_change = ""
+1248
+1249        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
+1250
+1251    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
+1252        partition = self.partition_by_sql(expression)
+1253        order = self.sql(expression, "order")
+1254        measures = self.sql(expression, "measures")
+1255        measures = self.seg(f"MEASURES {measures}") if measures else ""
+1256        rows = self.sql(expression, "rows")
+1257        rows = self.seg(rows) if rows else ""
+1258        after = self.sql(expression, "after")
+1259        after = self.seg(after) if after else ""
+1260        pattern = self.sql(expression, "pattern")
+1261        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
+1262        define = self.sql(expression, "define")
+1263        define = self.seg(f"DEFINE {define}") if define else ""
+1264        body = "".join(
+1265            (
+1266                partition,
+1267                order,
+1268                measures,
+1269                rows,
+1270                after,
+1271                pattern,
+1272                define,
+1273            )
+1274        )
+1275        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}"
+1276
+1277    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
+1278        return csv(
+1279            *sqls,
+1280            *[self.sql(sql) for sql in expression.args.get("joins") or []],
+1281            self.sql(expression, "match"),
+1282            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
+1283            self.sql(expression, "where"),
+1284            self.sql(expression, "group"),
+1285            self.sql(expression, "having"),
+1286            self.sql(expression, "qualify"),
+1287            self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
+1288            if expression.args.get("windows")
+1289            else "",
+1290            self.sql(expression, "distribute"),
+1291            self.sql(expression, "sort"),
+1292            self.sql(expression, "cluster"),
+1293            self.sql(expression, "order"),
+1294            self.sql(expression, "limit"),
+1295            self.sql(expression, "offset"),
+1296            self.sql(expression, "lock"),
+1297            sep="",
+1298        )
+1299
+1300    def select_sql(self, expression: exp.Select) -> str:
+1301        hint = self.sql(expression, "hint")
+1302        distinct = self.sql(expression, "distinct")
+1303        distinct = f" {distinct}" if distinct else ""
+1304        expressions = self.expressions(expression)
+1305        expressions = f"{self.sep()}{expressions}" if expressions else expressions
+1306        sql = self.query_modifiers(
+1307            expression,
+1308            f"SELECT{hint}{distinct}{expressions}",
+1309            self.sql(expression, "into", comment=False),
+1310            self.sql(expression, "from", comment=False),
+1311        )
+1312        return self.prepend_ctes(expression, sql)
+1313
+1314    def schema_sql(self, expression: exp.Schema) -> str:
+1315        this = self.sql(expression, "this")
+1316        this = f"{this} " if this else ""
+1317        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
+1318        return f"{this}{sql}"
 1319
-1320    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
-1321        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
-1322
-1323    def parameter_sql(self, expression: exp.Parameter) -> str:
-1324        this = self.sql(expression, "this")
-1325        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
-1326        return f"{self.PARAMETER_TOKEN}{this}"
-1327
-1328    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
-1329        this = self.sql(expression, "this")
-1330        kind = expression.text("kind")
-1331        if kind:
-1332            kind = f"{kind}."
-1333        return f"@@{kind}{this}"
+1320    def star_sql(self, expression: exp.Star) -> str:
+1321        except_ = self.expressions(expression, key="except", flat=True)
+1322        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
+1323        replace = self.expressions(expression, key="replace", flat=True)
+1324        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
+1325        return f"*{except_}{replace}"
+1326
+1327    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
+1328        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
+1329
+1330    def parameter_sql(self, expression: exp.Parameter) -> str:
+1331        this = self.sql(expression, "this")
+1332        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
+1333        return f"{self.PARAMETER_TOKEN}{this}"
 1334
-1335    def placeholder_sql(self, expression: exp.Placeholder) -> str:
-1336        return f":{expression.name}" if expression.name else "?"
-1337
-1338    def subquery_sql(self, expression: exp.Subquery) -> str:
-1339        alias = self.sql(expression, "alias")
-1340
-1341        sql = self.query_modifiers(
-1342            expression,
-1343            self.wrap(expression),
-1344            self.expressions(expression, key="pivots", sep=" "),
-1345            f" AS {alias}" if alias else "",
-1346        )
-1347
-1348        return self.prepend_ctes(expression, sql)
-1349
-1350    def qualify_sql(self, expression: exp.Qualify) -> str:
-1351        this = self.indent(self.sql(expression, "this"))
-1352        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
-1353
-1354    def union_sql(self, expression: exp.Union) -> str:
-1355        return self.prepend_ctes(
-1356            expression,
-1357            self.set_operation(expression, self.union_op(expression)),
-1358        )
-1359
-1360    def union_op(self, expression: exp.Union) -> str:
-1361        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
-1362        kind = kind if expression.args.get("distinct") else " ALL"
-1363        return f"UNION{kind}"
-1364
-1365    def unnest_sql(self, expression: exp.Unnest) -> str:
-1366        args = self.expressions(expression, flat=True)
-1367        alias = expression.args.get("alias")
-1368        if alias and self.unnest_column_only:
-1369            columns = alias.columns
-1370            alias = self.sql(columns[0]) if columns else ""
-1371        else:
-1372            alias = self.sql(expression, "alias")
-1373        alias = f" AS {alias}" if alias else alias
-1374        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
-1375        offset = expression.args.get("offset")
-1376        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
-1377        return f"UNNEST({args}){ordinality}{alias}{offset}"
-1378
-1379    def where_sql(self, expression: exp.Where) -> str:
-1380        this = self.indent(self.sql(expression, "this"))
-1381        return f"{self.seg('WHERE')}{self.sep()}{this}"
-1382
-1383    def window_sql(self, expression: exp.Window) -> str:
-1384        this = self.sql(expression, "this")
-1385
-1386        partition = self.partition_by_sql(expression)
-1387
-1388        order = expression.args.get("order")
-1389        order_sql = self.order_sql(order, flat=True) if order else ""
+1335    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
+1336        this = self.sql(expression, "this")
+1337        kind = expression.text("kind")
+1338        if kind:
+1339            kind = f"{kind}."
+1340        return f"@@{kind}{this}"
+1341
+1342    def placeholder_sql(self, expression: exp.Placeholder) -> str:
+1343        return f":{expression.name}" if expression.name else "?"
+1344
+1345    def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str:
+1346        alias = self.sql(expression, "alias")
+1347        alias = f"{sep}{alias}" if alias else ""
+1348
+1349        sql = self.query_modifiers(
+1350            expression,
+1351            self.wrap(expression),
+1352            self.expressions(expression, key="pivots", sep=" "),
+1353            alias,
+1354        )
+1355
+1356        return self.prepend_ctes(expression, sql)
+1357
+1358    def qualify_sql(self, expression: exp.Qualify) -> str:
+1359        this = self.indent(self.sql(expression, "this"))
+1360        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
+1361
+1362    def union_sql(self, expression: exp.Union) -> str:
+1363        return self.prepend_ctes(
+1364            expression,
+1365            self.set_operation(expression, self.union_op(expression)),
+1366        )
+1367
+1368    def union_op(self, expression: exp.Union) -> str:
+1369        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
+1370        kind = kind if expression.args.get("distinct") else " ALL"
+1371        return f"UNION{kind}"
+1372
+1373    def unnest_sql(self, expression: exp.Unnest) -> str:
+1374        args = self.expressions(expression, flat=True)
+1375        alias = expression.args.get("alias")
+1376        if alias and self.unnest_column_only:
+1377            columns = alias.columns
+1378            alias = self.sql(columns[0]) if columns else ""
+1379        else:
+1380            alias = self.sql(expression, "alias")
+1381        alias = f" AS {alias}" if alias else alias
+1382        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
+1383        offset = expression.args.get("offset")
+1384        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
+1385        return f"UNNEST({args}){ordinality}{alias}{offset}"
+1386
+1387    def where_sql(self, expression: exp.Where) -> str:
+1388        this = self.indent(self.sql(expression, "this"))
+1389        return f"{self.seg('WHERE')}{self.sep()}{this}"
 1390
-1391        partition_sql = partition + " " if partition and order else partition
-1392
-1393        spec = expression.args.get("spec")
-1394        spec_sql = " " + self.window_spec_sql(spec) if spec else ""
+1391    def window_sql(self, expression: exp.Window) -> str:
+1392        this = self.sql(expression, "this")
+1393
+1394        partition = self.partition_by_sql(expression)
 1395
-1396        alias = self.sql(expression, "alias")
-1397        this = f"{this} {'AS' if expression.arg_key == 'windows' else 'OVER'}"
+1396        order = expression.args.get("order")
+1397        order_sql = self.order_sql(order, flat=True) if order else ""
 1398
-1399        if not partition and not order and not spec and alias:
-1400            return f"{this} {alias}"
-1401
-1402        window_args = alias + partition_sql + order_sql + spec_sql
+1399        partition_sql = partition + " " if partition and order else partition
+1400
+1401        spec = expression.args.get("spec")
+1402        spec_sql = " " + self.window_spec_sql(spec) if spec else ""
 1403
-1404        return f"{this} ({window_args.strip()})"
-1405
-1406    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
-1407        partition = self.expressions(expression, key="partition_by", flat=True)
-1408        return f"PARTITION BY {partition}" if partition else ""
+1404        alias = self.sql(expression, "alias")
+1405        this = f"{this} {'AS' if expression.arg_key == 'windows' else 'OVER'}"
+1406
+1407        if not partition and not order and not spec and alias:
+1408            return f"{this} {alias}"
 1409
-1410    def window_spec_sql(self, expression: exp.WindowSpec) -> str:
-1411        kind = self.sql(expression, "kind")
-1412        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
-1413        end = (
-1414            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
-1415            or "CURRENT ROW"
-1416        )
-1417        return f"{kind} BETWEEN {start} AND {end}"
-1418
-1419    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
-1420        this = self.sql(expression, "this")
-1421        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
-1422        return f"{this} WITHIN GROUP ({expression_sql})"
-1423
-1424    def between_sql(self, expression: exp.Between) -> str:
-1425        this = self.sql(expression, "this")
-1426        low = self.sql(expression, "low")
-1427        high = self.sql(expression, "high")
-1428        return f"{this} BETWEEN {low} AND {high}"
-1429
-1430    def bracket_sql(self, expression: exp.Bracket) -> str:
-1431        expressions = apply_index_offset(expression.expressions, self.index_offset)
-1432        expressions_sql = ", ".join(self.sql(e) for e in expressions)
-1433
-1434        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
-1435
-1436    def all_sql(self, expression: exp.All) -> str:
-1437        return f"ALL {self.wrap(expression)}"
-1438
-1439    def any_sql(self, expression: exp.Any) -> str:
-1440        this = self.sql(expression, "this")
-1441        if isinstance(expression.this, exp.Subqueryable):
-1442            this = self.wrap(this)
-1443        return f"ANY {this}"
-1444
-1445    def exists_sql(self, expression: exp.Exists) -> str:
-1446        return f"EXISTS{self.wrap(expression)}"
-1447
-1448    def case_sql(self, expression: exp.Case) -> str:
-1449        this = self.sql(expression, "this")
-1450        statements = [f"CASE {this}" if this else "CASE"]
-1451
-1452        for e in expression.args["ifs"]:
-1453            statements.append(f"WHEN {self.sql(e, 'this')}")
-1454            statements.append(f"THEN {self.sql(e, 'true')}")
+1410        window_args = alias + partition_sql + order_sql + spec_sql
+1411
+1412        return f"{this} ({window_args.strip()})"
+1413
+1414    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
+1415        partition = self.expressions(expression, key="partition_by", flat=True)
+1416        return f"PARTITION BY {partition}" if partition else ""
+1417
+1418    def window_spec_sql(self, expression: exp.WindowSpec) -> str:
+1419        kind = self.sql(expression, "kind")
+1420        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
+1421        end = (
+1422            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
+1423            or "CURRENT ROW"
+1424        )
+1425        return f"{kind} BETWEEN {start} AND {end}"
+1426
+1427    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
+1428        this = self.sql(expression, "this")
+1429        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
+1430        return f"{this} WITHIN GROUP ({expression_sql})"
+1431
+1432    def between_sql(self, expression: exp.Between) -> str:
+1433        this = self.sql(expression, "this")
+1434        low = self.sql(expression, "low")
+1435        high = self.sql(expression, "high")
+1436        return f"{this} BETWEEN {low} AND {high}"
+1437
+1438    def bracket_sql(self, expression: exp.Bracket) -> str:
+1439        expressions = apply_index_offset(expression.expressions, self.index_offset)
+1440        expressions_sql = ", ".join(self.sql(e) for e in expressions)
+1441
+1442        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
+1443
+1444    def all_sql(self, expression: exp.All) -> str:
+1445        return f"ALL {self.wrap(expression)}"
+1446
+1447    def any_sql(self, expression: exp.Any) -> str:
+1448        this = self.sql(expression, "this")
+1449        if isinstance(expression.this, exp.Subqueryable):
+1450            this = self.wrap(this)
+1451        return f"ANY {this}"
+1452
+1453    def exists_sql(self, expression: exp.Exists) -> str:
+1454        return f"EXISTS{self.wrap(expression)}"
 1455
-1456        default = self.sql(expression, "default")
-1457
-1458        if default:
-1459            statements.append(f"ELSE {default}")
-1460
-1461        statements.append("END")
-1462
-1463        if self.pretty and self.text_width(statements) > self._max_text_width:
-1464            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+1456    def case_sql(self, expression: exp.Case) -> str:
+1457        this = self.sql(expression, "this")
+1458        statements = [f"CASE {this}" if this else "CASE"]
+1459
+1460        for e in expression.args["ifs"]:
+1461            statements.append(f"WHEN {self.sql(e, 'this')}")
+1462            statements.append(f"THEN {self.sql(e, 'true')}")
+1463
+1464        default = self.sql(expression, "default")
 1465
-1466        return " ".join(statements)
-1467
-1468    def constraint_sql(self, expression: exp.Constraint) -> str:
-1469        this = self.sql(expression, "this")
-1470        expressions = self.expressions(expression, flat=True)
-1471        return f"CONSTRAINT {this} {expressions}"
-1472
-1473    def extract_sql(self, expression: exp.Extract) -> str:
-1474        this = self.sql(expression, "this")
-1475        expression_sql = self.sql(expression, "expression")
-1476        return f"EXTRACT({this} FROM {expression_sql})"
-1477
-1478    def trim_sql(self, expression: exp.Trim) -> str:
-1479        trim_type = self.sql(expression, "position")
+1466        if default:
+1467            statements.append(f"ELSE {default}")
+1468
+1469        statements.append("END")
+1470
+1471        if self.pretty and self.text_width(statements) > self._max_text_width:
+1472            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+1473
+1474        return " ".join(statements)
+1475
+1476    def constraint_sql(self, expression: exp.Constraint) -> str:
+1477        this = self.sql(expression, "this")
+1478        expressions = self.expressions(expression, flat=True)
+1479        return f"CONSTRAINT {this} {expressions}"
 1480
-1481        if trim_type == "LEADING":
-1482            return self.func("LTRIM", expression.this)
-1483        elif trim_type == "TRAILING":
-1484            return self.func("RTRIM", expression.this)
-1485        else:
-1486            return self.func("TRIM", expression.this, expression.expression)
-1487
-1488    def concat_sql(self, expression: exp.Concat) -> str:
-1489        if len(expression.expressions) == 1:
-1490            return self.sql(expression.expressions[0])
-1491        return self.function_fallback_sql(expression)
-1492
-1493    def check_sql(self, expression: exp.Check) -> str:
-1494        this = self.sql(expression, key="this")
-1495        return f"CHECK ({this})"
-1496
-1497    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
-1498        expressions = self.expressions(expression, flat=True)
-1499        reference = self.sql(expression, "reference")
-1500        reference = f" {reference}" if reference else ""
-1501        delete = self.sql(expression, "delete")
-1502        delete = f" ON DELETE {delete}" if delete else ""
-1503        update = self.sql(expression, "update")
-1504        update = f" ON UPDATE {update}" if update else ""
-1505        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
-1506
-1507    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
-1508        expressions = self.expressions(expression, flat=True)
-1509        options = self.expressions(expression, "options", flat=True, sep=" ")
-1510        options = f" {options}" if options else ""
-1511        return f"PRIMARY KEY ({expressions}){options}"
-1512
-1513    def unique_sql(self, expression: exp.Unique) -> str:
-1514        columns = self.expressions(expression, key="expressions")
-1515        return f"UNIQUE ({columns})"
-1516
-1517    def if_sql(self, expression: exp.If) -> str:
-1518        return self.case_sql(
-1519            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
-1520        )
-1521
-1522    def in_sql(self, expression: exp.In) -> str:
-1523        query = expression.args.get("query")
-1524        unnest = expression.args.get("unnest")
-1525        field = expression.args.get("field")
-1526        is_global = " GLOBAL" if expression.args.get("is_global") else ""
-1527
-1528        if query:
-1529            in_sql = self.wrap(query)
-1530        elif unnest:
-1531            in_sql = self.in_unnest_op(unnest)
-1532        elif field:
-1533            in_sql = self.sql(field)
-1534        else:
-1535            in_sql = f"({self.expressions(expression, flat=True)})"
-1536
-1537        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
-1538
-1539    def in_unnest_op(self, unnest: exp.Unnest) -> str:
-1540        return f"(SELECT {self.sql(unnest)})"
-1541
-1542    def interval_sql(self, expression: exp.Interval) -> str:
-1543        this = expression.args.get("this")
-1544        if this:
-1545            this = (
-1546                f" {this}"
-1547                if isinstance(this, exp.Literal) or isinstance(this, exp.Paren)
-1548                else f" ({this})"
-1549            )
-1550        else:
-1551            this = ""
-1552        unit = expression.args.get("unit")
-1553        unit = f" {unit}" if unit else ""
-1554        return f"INTERVAL{this}{unit}"
-1555
-1556    def return_sql(self, expression: exp.Return) -> str:
-1557        return f"RETURN {self.sql(expression, 'this')}"
-1558
-1559    def reference_sql(self, expression: exp.Reference) -> str:
-1560        this = self.sql(expression, "this")
-1561        expressions = self.expressions(expression, flat=True)
-1562        expressions = f"({expressions})" if expressions else ""
-1563        options = self.expressions(expression, "options", flat=True, sep=" ")
-1564        options = f" {options}" if options else ""
-1565        return f"REFERENCES {this}{expressions}{options}"
+1481    def extract_sql(self, expression: exp.Extract) -> str:
+1482        this = self.sql(expression, "this")
+1483        expression_sql = self.sql(expression, "expression")
+1484        return f"EXTRACT({this} FROM {expression_sql})"
+1485
+1486    def trim_sql(self, expression: exp.Trim) -> str:
+1487        trim_type = self.sql(expression, "position")
+1488
+1489        if trim_type == "LEADING":
+1490            return self.func("LTRIM", expression.this)
+1491        elif trim_type == "TRAILING":
+1492            return self.func("RTRIM", expression.this)
+1493        else:
+1494            return self.func("TRIM", expression.this, expression.expression)
+1495
+1496    def concat_sql(self, expression: exp.Concat) -> str:
+1497        if len(expression.expressions) == 1:
+1498            return self.sql(expression.expressions[0])
+1499        return self.function_fallback_sql(expression)
+1500
+1501    def check_sql(self, expression: exp.Check) -> str:
+1502        this = self.sql(expression, key="this")
+1503        return f"CHECK ({this})"
+1504
+1505    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
+1506        expressions = self.expressions(expression, flat=True)
+1507        reference = self.sql(expression, "reference")
+1508        reference = f" {reference}" if reference else ""
+1509        delete = self.sql(expression, "delete")
+1510        delete = f" ON DELETE {delete}" if delete else ""
+1511        update = self.sql(expression, "update")
+1512        update = f" ON UPDATE {update}" if update else ""
+1513        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
+1514
+1515    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
+1516        expressions = self.expressions(expression, flat=True)
+1517        options = self.expressions(expression, "options", flat=True, sep=" ")
+1518        options = f" {options}" if options else ""
+1519        return f"PRIMARY KEY ({expressions}){options}"
+1520
+1521    def unique_sql(self, expression: exp.Unique) -> str:
+1522        columns = self.expressions(expression, key="expressions")
+1523        return f"UNIQUE ({columns})"
+1524
+1525    def if_sql(self, expression: exp.If) -> str:
+1526        return self.case_sql(
+1527            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
+1528        )
+1529
+1530    def in_sql(self, expression: exp.In) -> str:
+1531        query = expression.args.get("query")
+1532        unnest = expression.args.get("unnest")
+1533        field = expression.args.get("field")
+1534        is_global = " GLOBAL" if expression.args.get("is_global") else ""
+1535
+1536        if query:
+1537            in_sql = self.wrap(query)
+1538        elif unnest:
+1539            in_sql = self.in_unnest_op(unnest)
+1540        elif field:
+1541            in_sql = self.sql(field)
+1542        else:
+1543            in_sql = f"({self.expressions(expression, flat=True)})"
+1544
+1545        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
+1546
+1547    def in_unnest_op(self, unnest: exp.Unnest) -> str:
+1548        return f"(SELECT {self.sql(unnest)})"
+1549
+1550    def interval_sql(self, expression: exp.Interval) -> str:
+1551        this = expression.args.get("this")
+1552        if this:
+1553            this = (
+1554                f" {this}"
+1555                if isinstance(this, exp.Literal) or isinstance(this, exp.Paren)
+1556                else f" ({this})"
+1557            )
+1558        else:
+1559            this = ""
+1560        unit = expression.args.get("unit")
+1561        unit = f" {unit}" if unit else ""
+1562        return f"INTERVAL{this}{unit}"
+1563
+1564    def return_sql(self, expression: exp.Return) -> str:
+1565        return f"RETURN {self.sql(expression, 'this')}"
 1566
-1567    def anonymous_sql(self, expression: exp.Anonymous) -> str:
-1568        return self.func(expression.name, *expression.expressions)
-1569
-1570    def paren_sql(self, expression: exp.Paren) -> str:
-1571        if isinstance(expression.unnest(), exp.Select):
-1572            sql = self.wrap(expression)
-1573        else:
-1574            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
-1575            sql = f"({sql}{self.seg(')', sep='')}"
-1576
-1577        return self.prepend_ctes(expression, sql)
-1578
-1579    def neg_sql(self, expression: exp.Neg) -> str:
-1580        # This makes sure we don't convert "- - 5" to "--5", which is a comment
-1581        this_sql = self.sql(expression, "this")
-1582        sep = " " if this_sql[0] == "-" else ""
-1583        return f"-{sep}{this_sql}"
+1567    def reference_sql(self, expression: exp.Reference) -> str:
+1568        this = self.sql(expression, "this")
+1569        expressions = self.expressions(expression, flat=True)
+1570        expressions = f"({expressions})" if expressions else ""
+1571        options = self.expressions(expression, "options", flat=True, sep=" ")
+1572        options = f" {options}" if options else ""
+1573        return f"REFERENCES {this}{expressions}{options}"
+1574
+1575    def anonymous_sql(self, expression: exp.Anonymous) -> str:
+1576        return self.func(expression.name, *expression.expressions)
+1577
+1578    def paren_sql(self, expression: exp.Paren) -> str:
+1579        if isinstance(expression.unnest(), exp.Select):
+1580            sql = self.wrap(expression)
+1581        else:
+1582            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
+1583            sql = f"({sql}{self.seg(')', sep='')}"
 1584
-1585    def not_sql(self, expression: exp.Not) -> str:
-1586        return f"NOT {self.sql(expression, 'this')}"
-1587
-1588    def alias_sql(self, expression: exp.Alias) -> str:
-1589        to_sql = self.sql(expression, "alias")
-1590        to_sql = f" AS {to_sql}" if to_sql else ""
-1591        return f"{self.sql(expression, 'this')}{to_sql}"
+1585        return self.prepend_ctes(expression, sql)
+1586
+1587    def neg_sql(self, expression: exp.Neg) -> str:
+1588        # This makes sure we don't convert "- - 5" to "--5", which is a comment
+1589        this_sql = self.sql(expression, "this")
+1590        sep = " " if this_sql[0] == "-" else ""
+1591        return f"-{sep}{this_sql}"
 1592
-1593    def aliases_sql(self, expression: exp.Aliases) -> str:
-1594        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
+1593    def not_sql(self, expression: exp.Not) -> str:
+1594        return f"NOT {self.sql(expression, 'this')}"
 1595
-1596    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
-1597        this = self.sql(expression, "this")
-1598        zone = self.sql(expression, "zone")
-1599        return f"{this} AT TIME ZONE {zone}"
+1596    def alias_sql(self, expression: exp.Alias) -> str:
+1597        to_sql = self.sql(expression, "alias")
+1598        to_sql = f" AS {to_sql}" if to_sql else ""
+1599        return f"{self.sql(expression, 'this')}{to_sql}"
 1600
-1601    def add_sql(self, expression: exp.Add) -> str:
-1602        return self.binary(expression, "+")
+1601    def aliases_sql(self, expression: exp.Aliases) -> str:
+1602        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
 1603
-1604    def and_sql(self, expression: exp.And) -> str:
-1605        return self.connector_sql(expression, "AND")
-1606
-1607    def connector_sql(self, expression: exp.Connector, op: str) -> str:
-1608        if not self.pretty:
-1609            return self.binary(expression, op)
-1610
-1611        sqls = tuple(self.sql(e) for e in expression.flatten(unnest=False))
-1612        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
-1613        return f"{sep}{op} ".join(sqls)
+1604    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
+1605        this = self.sql(expression, "this")
+1606        zone = self.sql(expression, "zone")
+1607        return f"{this} AT TIME ZONE {zone}"
+1608
+1609    def add_sql(self, expression: exp.Add) -> str:
+1610        return self.binary(expression, "+")
+1611
+1612    def and_sql(self, expression: exp.And) -> str:
+1613        return self.connector_sql(expression, "AND")
 1614
-1615    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
-1616        return self.binary(expression, "&")
-1617
-1618    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
-1619        return self.binary(expression, "<<")
-1620
-1621    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
-1622        return f"~{self.sql(expression, 'this')}"
-1623
-1624    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
-1625        return self.binary(expression, "|")
-1626
-1627    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
-1628        return self.binary(expression, ">>")
-1629
-1630    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
-1631        return self.binary(expression, "^")
-1632
-1633    def cast_sql(self, expression: exp.Cast) -> str:
-1634        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
-1635
-1636    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
-1637        zone = self.sql(expression, "this")
-1638        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
-1639
-1640    def collate_sql(self, expression: exp.Collate) -> str:
-1641        return self.binary(expression, "COLLATE")
-1642
-1643    def command_sql(self, expression: exp.Command) -> str:
-1644        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
-1645
-1646    def transaction_sql(self, *_) -> str:
-1647        return "BEGIN"
-1648
-1649    def commit_sql(self, expression: exp.Commit) -> str:
-1650        chain = expression.args.get("chain")
-1651        if chain is not None:
-1652            chain = " AND CHAIN" if chain else " AND NO CHAIN"
+1615    def connector_sql(self, expression: exp.Connector, op: str) -> str:
+1616        if not self.pretty:
+1617            return self.binary(expression, op)
+1618
+1619        sqls = tuple(self.sql(e) for e in expression.flatten(unnest=False))
+1620        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
+1621        return f"{sep}{op} ".join(sqls)
+1622
+1623    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
+1624        return self.binary(expression, "&")
+1625
+1626    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
+1627        return self.binary(expression, "<<")
+1628
+1629    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
+1630        return f"~{self.sql(expression, 'this')}"
+1631
+1632    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
+1633        return self.binary(expression, "|")
+1634
+1635    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
+1636        return self.binary(expression, ">>")
+1637
+1638    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
+1639        return self.binary(expression, "^")
+1640
+1641    def cast_sql(self, expression: exp.Cast) -> str:
+1642        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+1643
+1644    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
+1645        zone = self.sql(expression, "this")
+1646        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
+1647
+1648    def collate_sql(self, expression: exp.Collate) -> str:
+1649        return self.binary(expression, "COLLATE")
+1650
+1651    def command_sql(self, expression: exp.Command) -> str:
+1652        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
 1653
-1654        return f"COMMIT{chain or ''}"
-1655
-1656    def rollback_sql(self, expression: exp.Rollback) -> str:
-1657        savepoint = expression.args.get("savepoint")
-1658        savepoint = f" TO {savepoint}" if savepoint else ""
-1659        return f"ROLLBACK{savepoint}"
+1654    def comment_sql(self, expression: exp.Comment) -> str:
+1655        this = self.sql(expression, "this")
+1656        kind = expression.args["kind"]
+1657        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
+1658        expression_sql = self.sql(expression, "expression")
+1659        return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}"
 1660
-1661    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
-1662        this = self.sql(expression, "this")
+1661    def transaction_sql(self, *_) -> str:
+1662        return "BEGIN"
 1663
-1664        dtype = self.sql(expression, "dtype")
-1665        if dtype:
-1666            collate = self.sql(expression, "collate")
-1667            collate = f" COLLATE {collate}" if collate else ""
-1668            using = self.sql(expression, "using")
-1669            using = f" USING {using}" if using else ""
-1670            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
-1671
-1672        default = self.sql(expression, "default")
-1673        if default:
-1674            return f"ALTER COLUMN {this} SET DEFAULT {default}"
+1664    def commit_sql(self, expression: exp.Commit) -> str:
+1665        chain = expression.args.get("chain")
+1666        if chain is not None:
+1667            chain = " AND CHAIN" if chain else " AND NO CHAIN"
+1668
+1669        return f"COMMIT{chain or ''}"
+1670
+1671    def rollback_sql(self, expression: exp.Rollback) -> str:
+1672        savepoint = expression.args.get("savepoint")
+1673        savepoint = f" TO {savepoint}" if savepoint else ""
+1674        return f"ROLLBACK{savepoint}"
 1675
-1676        if not expression.args.get("drop"):
-1677            self.unsupported("Unsupported ALTER COLUMN syntax")
+1676    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
+1677        this = self.sql(expression, "this")
 1678
-1679        return f"ALTER COLUMN {this} DROP DEFAULT"
-1680
-1681    def renametable_sql(self, expression: exp.RenameTable) -> str:
-1682        this = self.sql(expression, "this")
-1683        return f"RENAME TO {this}"
-1684
-1685    def altertable_sql(self, expression: exp.AlterTable) -> str:
-1686        actions = expression.args["actions"]
-1687
-1688        if isinstance(actions[0], exp.ColumnDef):
-1689            actions = self.expressions(expression, "actions", prefix="ADD COLUMN ")
-1690        elif isinstance(actions[0], exp.Schema):
-1691            actions = self.expressions(expression, "actions", prefix="ADD COLUMNS ")
-1692        elif isinstance(actions[0], exp.Delete):
-1693            actions = self.expressions(expression, "actions", flat=True)
-1694        else:
-1695            actions = self.expressions(expression, "actions")
-1696
-1697        exists = " IF EXISTS" if expression.args.get("exists") else ""
-1698        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
+1679        dtype = self.sql(expression, "dtype")
+1680        if dtype:
+1681            collate = self.sql(expression, "collate")
+1682            collate = f" COLLATE {collate}" if collate else ""
+1683            using = self.sql(expression, "using")
+1684            using = f" USING {using}" if using else ""
+1685            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
+1686
+1687        default = self.sql(expression, "default")
+1688        if default:
+1689            return f"ALTER COLUMN {this} SET DEFAULT {default}"
+1690
+1691        if not expression.args.get("drop"):
+1692            self.unsupported("Unsupported ALTER COLUMN syntax")
+1693
+1694        return f"ALTER COLUMN {this} DROP DEFAULT"
+1695
+1696    def renametable_sql(self, expression: exp.RenameTable) -> str:
+1697        this = self.sql(expression, "this")
+1698        return f"RENAME TO {this}"
 1699
-1700    def droppartition_sql(self, expression: exp.DropPartition) -> str:
-1701        expressions = self.expressions(expression)
-1702        exists = " IF EXISTS " if expression.args.get("exists") else " "
-1703        return f"DROP{exists}{expressions}"
-1704
-1705    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
-1706        this = self.sql(expression, "this")
-1707        expression_ = self.sql(expression, "expression")
-1708        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
-1709
-1710        enforced = expression.args.get("enforced")
-1711        if enforced is not None:
-1712            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
-1713
-1714        return f"{add_constraint} {expression_}"
-1715
-1716    def distinct_sql(self, expression: exp.Distinct) -> str:
-1717        this = self.expressions(expression, flat=True)
-1718        this = f" {this}" if this else ""
+1700    def altertable_sql(self, expression: exp.AlterTable) -> str:
+1701        actions = expression.args["actions"]
+1702
+1703        if isinstance(actions[0], exp.ColumnDef):
+1704            actions = self.expressions(expression, "actions", prefix="ADD COLUMN ")
+1705        elif isinstance(actions[0], exp.Schema):
+1706            actions = self.expressions(expression, "actions", prefix="ADD COLUMNS ")
+1707        elif isinstance(actions[0], exp.Delete):
+1708            actions = self.expressions(expression, "actions", flat=True)
+1709        else:
+1710            actions = self.expressions(expression, "actions")
+1711
+1712        exists = " IF EXISTS" if expression.args.get("exists") else ""
+1713        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
+1714
+1715    def droppartition_sql(self, expression: exp.DropPartition) -> str:
+1716        expressions = self.expressions(expression)
+1717        exists = " IF EXISTS " if expression.args.get("exists") else " "
+1718        return f"DROP{exists}{expressions}"
 1719
-1720        on = self.sql(expression, "on")
-1721        on = f" ON {on}" if on else ""
-1722        return f"DISTINCT{this}{on}"
-1723
-1724    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
-1725        return f"{self.sql(expression, 'this')} IGNORE NULLS"
-1726
-1727    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
-1728        return f"{self.sql(expression, 'this')} RESPECT NULLS"
-1729
-1730    def intdiv_sql(self, expression: exp.IntDiv) -> str:
-1731        return self.sql(
-1732            exp.Cast(
-1733                this=exp.Div(this=expression.this, expression=expression.expression),
-1734                to=exp.DataType(this=exp.DataType.Type.INT),
-1735            )
-1736        )
-1737
-1738    def dpipe_sql(self, expression: exp.DPipe) -> str:
-1739        return self.binary(expression, "||")
-1740
-1741    def div_sql(self, expression: exp.Div) -> str:
-1742        return self.binary(expression, "/")
-1743
-1744    def distance_sql(self, expression: exp.Distance) -> str:
-1745        return self.binary(expression, "<->")
-1746
-1747    def dot_sql(self, expression: exp.Dot) -> str:
-1748        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
-1749
-1750    def eq_sql(self, expression: exp.EQ) -> str:
-1751        return self.binary(expression, "=")
+1720    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
+1721        this = self.sql(expression, "this")
+1722        expression_ = self.sql(expression, "expression")
+1723        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
+1724
+1725        enforced = expression.args.get("enforced")
+1726        if enforced is not None:
+1727            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
+1728
+1729        return f"{add_constraint} {expression_}"
+1730
+1731    def distinct_sql(self, expression: exp.Distinct) -> str:
+1732        this = self.expressions(expression, flat=True)
+1733        this = f" {this}" if this else ""
+1734
+1735        on = self.sql(expression, "on")
+1736        on = f" ON {on}" if on else ""
+1737        return f"DISTINCT{this}{on}"
+1738
+1739    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
+1740        return f"{self.sql(expression, 'this')} IGNORE NULLS"
+1741
+1742    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
+1743        return f"{self.sql(expression, 'this')} RESPECT NULLS"
+1744
+1745    def intdiv_sql(self, expression: exp.IntDiv) -> str:
+1746        return self.sql(
+1747            exp.Cast(
+1748                this=exp.Div(this=expression.this, expression=expression.expression),
+1749                to=exp.DataType(this=exp.DataType.Type.INT),
+1750            )
+1751        )
 1752
-1753    def escape_sql(self, expression: exp.Escape) -> str:
-1754        return self.binary(expression, "ESCAPE")
+1753    def dpipe_sql(self, expression: exp.DPipe) -> str:
+1754        return self.binary(expression, "||")
 1755
-1756    def glob_sql(self, expression: exp.Glob) -> str:
-1757        return self.binary(expression, "GLOB")
+1756    def div_sql(self, expression: exp.Div) -> str:
+1757        return self.binary(expression, "/")
 1758
-1759    def gt_sql(self, expression: exp.GT) -> str:
-1760        return self.binary(expression, ">")
+1759    def overlaps_sql(self, expression: exp.Overlaps) -> str:
+1760        return self.binary(expression, "OVERLAPS")
 1761
-1762    def gte_sql(self, expression: exp.GTE) -> str:
-1763        return self.binary(expression, ">=")
+1762    def distance_sql(self, expression: exp.Distance) -> str:
+1763        return self.binary(expression, "<->")
 1764
-1765    def ilike_sql(self, expression: exp.ILike) -> str:
-1766        return self.binary(expression, "ILIKE")
+1765    def dot_sql(self, expression: exp.Dot) -> str:
+1766        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
 1767
-1768    def is_sql(self, expression: exp.Is) -> str:
-1769        return self.binary(expression, "IS")
+1768    def eq_sql(self, expression: exp.EQ) -> str:
+1769        return self.binary(expression, "=")
 1770
-1771    def like_sql(self, expression: exp.Like) -> str:
-1772        return self.binary(expression, "LIKE")
+1771    def escape_sql(self, expression: exp.Escape) -> str:
+1772        return self.binary(expression, "ESCAPE")
 1773
-1774    def similarto_sql(self, expression: exp.SimilarTo) -> str:
-1775        return self.binary(expression, "SIMILAR TO")
+1774    def glob_sql(self, expression: exp.Glob) -> str:
+1775        return self.binary(expression, "GLOB")
 1776
-1777    def lt_sql(self, expression: exp.LT) -> str:
-1778        return self.binary(expression, "<")
+1777    def gt_sql(self, expression: exp.GT) -> str:
+1778        return self.binary(expression, ">")
 1779
-1780    def lte_sql(self, expression: exp.LTE) -> str:
-1781        return self.binary(expression, "<=")
+1780    def gte_sql(self, expression: exp.GTE) -> str:
+1781        return self.binary(expression, ">=")
 1782
-1783    def mod_sql(self, expression: exp.Mod) -> str:
-1784        return self.binary(expression, "%")
+1783    def ilike_sql(self, expression: exp.ILike) -> str:
+1784        return self.binary(expression, "ILIKE")
 1785
-1786    def mul_sql(self, expression: exp.Mul) -> str:
-1787        return self.binary(expression, "*")
+1786    def is_sql(self, expression: exp.Is) -> str:
+1787        return self.binary(expression, "IS")
 1788
-1789    def neq_sql(self, expression: exp.NEQ) -> str:
-1790        return self.binary(expression, "<>")
+1789    def like_sql(self, expression: exp.Like) -> str:
+1790        return self.binary(expression, "LIKE")
 1791
-1792    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
-1793        return self.binary(expression, "IS NOT DISTINCT FROM")
+1792    def similarto_sql(self, expression: exp.SimilarTo) -> str:
+1793        return self.binary(expression, "SIMILAR TO")
 1794
-1795    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
-1796        return self.binary(expression, "IS DISTINCT FROM")
+1795    def lt_sql(self, expression: exp.LT) -> str:
+1796        return self.binary(expression, "<")
 1797
-1798    def or_sql(self, expression: exp.Or) -> str:
-1799        return self.connector_sql(expression, "OR")
+1798    def lte_sql(self, expression: exp.LTE) -> str:
+1799        return self.binary(expression, "<=")
 1800
-1801    def slice_sql(self, expression: exp.Slice) -> str:
-1802        return self.binary(expression, ":")
+1801    def mod_sql(self, expression: exp.Mod) -> str:
+1802        return self.binary(expression, "%")
 1803
-1804    def sub_sql(self, expression: exp.Sub) -> str:
-1805        return self.binary(expression, "-")
+1804    def mul_sql(self, expression: exp.Mul) -> str:
+1805        return self.binary(expression, "*")
 1806
-1807    def trycast_sql(self, expression: exp.TryCast) -> str:
-1808        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+1807    def neq_sql(self, expression: exp.NEQ) -> str:
+1808        return self.binary(expression, "<>")
 1809
-1810    def use_sql(self, expression: exp.Use) -> str:
-1811        kind = self.sql(expression, "kind")
-1812        kind = f" {kind}" if kind else ""
-1813        this = self.sql(expression, "this")
-1814        this = f" {this}" if this else ""
-1815        return f"USE{kind}{this}"
-1816
-1817    def binary(self, expression: exp.Binary, op: str) -> str:
-1818        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
-1819
-1820    def function_fallback_sql(self, expression: exp.Func) -> str:
-1821        args = []
-1822        for arg_value in expression.args.values():
-1823            if isinstance(arg_value, list):
-1824                for value in arg_value:
-1825                    args.append(value)
-1826            else:
-1827                args.append(arg_value)
-1828
-1829        return self.func(expression.sql_name(), *args)
-1830
-1831    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
-1832        return f"{self.normalize_func(name)}({self.format_args(*args)})"
-1833
-1834    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
-1835        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
-1836        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
-1837            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
-1838        return ", ".join(arg_sqls)
-1839
-1840    def text_width(self, args: t.Iterable) -> int:
-1841        return sum(len(arg) for arg in args)
-1842
-1843    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
-1844        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
-1845
-1846    def expressions(
-1847        self,
-1848        expression: exp.Expression,
-1849        key: t.Optional[str] = None,
-1850        flat: bool = False,
-1851        indent: bool = True,
-1852        sep: str = ", ",
-1853        prefix: str = "",
-1854    ) -> str:
-1855        expressions = expression.args.get(key or "expressions")
-1856
-1857        if not expressions:
-1858            return ""
-1859
-1860        if flat:
-1861            return sep.join(self.sql(e) for e in expressions)
-1862
-1863        num_sqls = len(expressions)
-1864
-1865        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
-1866        pad = " " * self.pad
-1867        stripped_sep = sep.strip()
-1868
-1869        result_sqls = []
-1870        for i, e in enumerate(expressions):
-1871            sql = self.sql(e, comment=False)
-1872            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
-1873
-1874            if self.pretty:
-1875                if self._leading_comma:
-1876                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
-1877                else:
-1878                    result_sqls.append(
-1879                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
-1880                    )
-1881            else:
-1882                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
-1883
-1884        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
-1885        return self.indent(result_sql, skip_first=False) if indent else result_sql
+1810    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
+1811        return self.binary(expression, "IS NOT DISTINCT FROM")
+1812
+1813    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
+1814        return self.binary(expression, "IS DISTINCT FROM")
+1815
+1816    def or_sql(self, expression: exp.Or) -> str:
+1817        return self.connector_sql(expression, "OR")
+1818
+1819    def slice_sql(self, expression: exp.Slice) -> str:
+1820        return self.binary(expression, ":")
+1821
+1822    def sub_sql(self, expression: exp.Sub) -> str:
+1823        return self.binary(expression, "-")
+1824
+1825    def trycast_sql(self, expression: exp.TryCast) -> str:
+1826        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+1827
+1828    def use_sql(self, expression: exp.Use) -> str:
+1829        kind = self.sql(expression, "kind")
+1830        kind = f" {kind}" if kind else ""
+1831        this = self.sql(expression, "this")
+1832        this = f" {this}" if this else ""
+1833        return f"USE{kind}{this}"
+1834
+1835    def binary(self, expression: exp.Binary, op: str) -> str:
+1836        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
+1837
+1838    def function_fallback_sql(self, expression: exp.Func) -> str:
+1839        args = []
+1840        for arg_value in expression.args.values():
+1841            if isinstance(arg_value, list):
+1842                for value in arg_value:
+1843                    args.append(value)
+1844            else:
+1845                args.append(arg_value)
+1846
+1847        return self.func(expression.sql_name(), *args)
+1848
+1849    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
+1850        return f"{self.normalize_func(name)}({self.format_args(*args)})"
+1851
+1852    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
+1853        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
+1854        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
+1855            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
+1856        return ", ".join(arg_sqls)
+1857
+1858    def text_width(self, args: t.Iterable) -> int:
+1859        return sum(len(arg) for arg in args)
+1860
+1861    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
+1862        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
+1863
+1864    def expressions(
+1865        self,
+1866        expression: exp.Expression,
+1867        key: t.Optional[str] = None,
+1868        flat: bool = False,
+1869        indent: bool = True,
+1870        sep: str = ", ",
+1871        prefix: str = "",
+1872    ) -> str:
+1873        expressions = expression.args.get(key or "expressions")
+1874
+1875        if not expressions:
+1876            return ""
+1877
+1878        if flat:
+1879            return sep.join(self.sql(e) for e in expressions)
+1880
+1881        num_sqls = len(expressions)
+1882
+1883        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
+1884        pad = " " * self.pad
+1885        stripped_sep = sep.strip()
 1886
-1887    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
-1888        flat = flat or isinstance(expression.parent, exp.Properties)
-1889        expressions_sql = self.expressions(expression, flat=flat)
-1890        if flat:
-1891            return f"{op} {expressions_sql}"
-1892        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
-1893
-1894    def naked_property(self, expression: exp.Property) -> str:
-1895        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
-1896        if not property_name:
-1897            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
-1898        return f"{property_name} {self.sql(expression, 'this')}"
-1899
-1900    def set_operation(self, expression: exp.Expression, op: str) -> str:
-1901        this = self.sql(expression, "this")
-1902        op = self.seg(op)
-1903        return self.query_modifiers(
-1904            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
-1905        )
-1906
-1907    def tag_sql(self, expression: exp.Tag) -> str:
-1908        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
-1909
-1910    def token_sql(self, token_type: TokenType) -> str:
-1911        return self.TOKEN_MAPPING.get(token_type, token_type.name)
-1912
-1913    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
-1914        this = self.sql(expression, "this")
-1915        expressions = self.no_identify(self.expressions, expression)
-1916        expressions = (
-1917            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
-1918        )
-1919        return f"{this}{expressions}"
-1920
-1921    def joinhint_sql(self, expression: exp.JoinHint) -> str:
-1922        this = self.sql(expression, "this")
-1923        expressions = self.expressions(expression, flat=True)
-1924        return f"{this}({expressions})"
-1925
-1926    def kwarg_sql(self, expression: exp.Kwarg) -> str:
-1927        return self.binary(expression, "=>")
-1928
-1929    def when_sql(self, expression: exp.When) -> str:
-1930        this = self.sql(expression, "this")
-1931        then_expression = expression.args.get("then")
-1932        if isinstance(then_expression, exp.Insert):
-1933            then = f"INSERT {self.sql(then_expression, 'this')}"
-1934            if "expression" in then_expression.args:
-1935                then += f" VALUES {self.sql(then_expression, 'expression')}"
-1936        elif isinstance(then_expression, exp.Update):
-1937            if isinstance(then_expression.args.get("expressions"), exp.Star):
-1938                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
-1939            else:
-1940                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
-1941        else:
-1942            then = self.sql(then_expression)
-1943        return f"WHEN {this} THEN {then}"
-1944
-1945    def merge_sql(self, expression: exp.Merge) -> str:
-1946        this = self.sql(expression, "this")
-1947        using = f"USING {self.sql(expression, 'using')}"
-1948        on = f"ON {self.sql(expression, 'on')}"
-1949        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
+1887        result_sqls = []
+1888        for i, e in enumerate(expressions):
+1889            sql = self.sql(e, comment=False)
+1890            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
+1891
+1892            if self.pretty:
+1893                if self._leading_comma:
+1894                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
+1895                else:
+1896                    result_sqls.append(
+1897                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
+1898                    )
+1899            else:
+1900                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
+1901
+1902        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
+1903        return self.indent(result_sql, skip_first=False) if indent else result_sql
+1904
+1905    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
+1906        flat = flat or isinstance(expression.parent, exp.Properties)
+1907        expressions_sql = self.expressions(expression, flat=flat)
+1908        if flat:
+1909            return f"{op} {expressions_sql}"
+1910        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
+1911
+1912    def naked_property(self, expression: exp.Property) -> str:
+1913        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
+1914        if not property_name:
+1915            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
+1916        return f"{property_name} {self.sql(expression, 'this')}"
+1917
+1918    def set_operation(self, expression: exp.Expression, op: str) -> str:
+1919        this = self.sql(expression, "this")
+1920        op = self.seg(op)
+1921        return self.query_modifiers(
+1922            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
+1923        )
+1924
+1925    def tag_sql(self, expression: exp.Tag) -> str:
+1926        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
+1927
+1928    def token_sql(self, token_type: TokenType) -> str:
+1929        return self.TOKEN_MAPPING.get(token_type, token_type.name)
+1930
+1931    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
+1932        this = self.sql(expression, "this")
+1933        expressions = self.no_identify(self.expressions, expression)
+1934        expressions = (
+1935            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
+1936        )
+1937        return f"{this}{expressions}"
+1938
+1939    def joinhint_sql(self, expression: exp.JoinHint) -> str:
+1940        this = self.sql(expression, "this")
+1941        expressions = self.expressions(expression, flat=True)
+1942        return f"{this}({expressions})"
+1943
+1944    def kwarg_sql(self, expression: exp.Kwarg) -> str:
+1945        return self.binary(expression, "=>")
+1946
+1947    def when_sql(self, expression: exp.When) -> str:
+1948        this = self.sql(expression, "this")
+1949        then_expression = expression.args.get("then")
+1950        if isinstance(then_expression, exp.Insert):
+1951            then = f"INSERT {self.sql(then_expression, 'this')}"
+1952            if "expression" in then_expression.args:
+1953                then += f" VALUES {self.sql(then_expression, 'expression')}"
+1954        elif isinstance(then_expression, exp.Update):
+1955            if isinstance(then_expression.args.get("expressions"), exp.Star):
+1956                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
+1957            else:
+1958                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
+1959        else:
+1960            then = self.sql(then_expression)
+1961        return f"WHEN {this} THEN {then}"
+1962
+1963    def merge_sql(self, expression: exp.Merge) -> str:
+1964        this = self.sql(expression, "this")
+1965        using = f"USING {self.sql(expression, 'using')}"
+1966        on = f"ON {self.sql(expression, 'on')}"
+1967        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
    @@ -3185,1403 +3209,1421 @@ 551 else: 552 expression_sql = f" AS{expression_sql}" 553 - 554 replace = " OR REPLACE" if expression.args.get("replace") else "" - 555 unique = " UNIQUE" if expression.args.get("unique") else "" - 556 exists_sql = " IF NOT EXISTS" if expression.args.get("exists") else "" - 557 - 558 indexes = expression.args.get("indexes") - 559 index_sql = "" - 560 if indexes: - 561 indexes_sql = [] - 562 for index in indexes: - 563 ind_unique = " UNIQUE" if index.args.get("unique") else "" - 564 ind_primary = " PRIMARY" if index.args.get("primary") else "" - 565 ind_amp = " AMP" if index.args.get("amp") else "" - 566 ind_name = f" {index.name}" if index.name else "" - 567 ind_columns = ( - 568 f' ({self.expressions(index, key="columns", flat=True)})' - 569 if index.args.get("columns") - 570 else "" - 571 ) - 572 if index.args.get("primary") and properties_locs.get( - 573 exp.Properties.Location.POST_INDEX - 574 ): - 575 postindex_props_sql = self.properties( - 576 exp.Properties( - 577 expressions=properties_locs[exp.Properties.Location.POST_INDEX] - 578 ), - 579 wrapped=False, - 580 ) - 581 ind_columns = f"{ind_columns} {postindex_props_sql}" - 582 - 583 indexes_sql.append( - 584 f"{ind_unique}{ind_primary}{ind_amp} INDEX{ind_name}{ind_columns}" - 585 ) + 554 postindex_props_sql = "" + 555 if properties_locs.get(exp.Properties.Location.POST_INDEX): + 556 postindex_props_sql = self.properties( + 557 exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_INDEX]), + 558 wrapped=False, + 559 prefix=" ", + 560 ) + 561 + 562 indexes = expression.args.get("indexes") + 563 if indexes: + 564 indexes_sql: t.List[str] = [] + 565 for index in indexes: + 566 ind_unique = " UNIQUE" if index.args.get("unique") else "" + 567 ind_primary = " PRIMARY" if index.args.get("primary") else "" + 568 ind_amp = " AMP" if index.args.get("amp") else "" + 569 ind_name = f" {index.name}" if index.name else "" + 570 ind_columns = ( + 571 f' ({self.expressions(index, key="columns", flat=True)})' + 572 if index.args.get("columns") + 573 else "" + 574 ) + 575 ind_sql = f"{ind_unique}{ind_primary}{ind_amp} INDEX{ind_name}{ind_columns}" + 576 + 577 if indexes_sql: + 578 indexes_sql.append(ind_sql) + 579 else: + 580 indexes_sql.append( + 581 f"{ind_sql}{postindex_props_sql}" + 582 if index.args.get("primary") + 583 else f"{postindex_props_sql}{ind_sql}" + 584 ) + 585 586 index_sql = "".join(indexes_sql) - 587 - 588 postcreate_props_sql = "" - 589 if properties_locs.get(exp.Properties.Location.POST_CREATE): - 590 postcreate_props_sql = self.properties( - 591 exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_CREATE]), - 592 sep=" ", - 593 prefix=" ", - 594 wrapped=False, - 595 ) - 596 - 597 modifiers = "".join((replace, unique, postcreate_props_sql)) - 598 - 599 postexpression_props_sql = "" - 600 if properties_locs.get(exp.Properties.Location.POST_EXPRESSION): - 601 postexpression_props_sql = self.properties( - 602 exp.Properties( - 603 expressions=properties_locs[exp.Properties.Location.POST_EXPRESSION] - 604 ), - 605 sep=" ", - 606 prefix=" ", - 607 wrapped=False, - 608 ) - 609 - 610 no_schema_binding = ( - 611 " WITH NO SCHEMA BINDING" if expression.args.get("no_schema_binding") else "" - 612 ) - 613 - 614 expression_sql = f"CREATE{modifiers} {kind}{exists_sql} {this}{properties_sql}{expression_sql}{postexpression_props_sql}{index_sql}{no_schema_binding}" - 615 return self.prepend_ctes(expression, expression_sql) - 616 - 617 def describe_sql(self, expression: exp.Describe) -> str: - 618 return f"DESCRIBE {self.sql(expression, 'this')}" - 619 - 620 def prepend_ctes(self, expression: exp.Expression, sql: str) -> str: - 621 with_ = self.sql(expression, "with") - 622 if with_: - 623 sql = f"{with_}{self.sep()}{sql}" - 624 return sql - 625 - 626 def with_sql(self, expression: exp.With) -> str: - 627 sql = self.expressions(expression, flat=True) - 628 recursive = "RECURSIVE " if expression.args.get("recursive") else "" - 629 - 630 return f"WITH {recursive}{sql}" - 631 - 632 def cte_sql(self, expression: exp.CTE) -> str: - 633 alias = self.sql(expression, "alias") - 634 return f"{alias} AS {self.wrap(expression)}" - 635 - 636 def tablealias_sql(self, expression: exp.TableAlias) -> str: - 637 alias = self.sql(expression, "this") - 638 columns = self.expressions(expression, key="columns", flat=True) - 639 columns = f"({columns})" if columns else "" - 640 return f"{alias}{columns}" - 641 - 642 def bitstring_sql(self, expression: exp.BitString) -> str: - 643 return self.sql(expression, "this") - 644 - 645 def hexstring_sql(self, expression: exp.HexString) -> str: - 646 return self.sql(expression, "this") - 647 - 648 def datatype_sql(self, expression: exp.DataType) -> str: - 649 type_value = expression.this - 650 type_sql = self.TYPE_MAPPING.get(type_value, type_value.value) - 651 nested = "" - 652 interior = self.expressions(expression, flat=True) - 653 values = "" - 654 if interior: - 655 if expression.args.get("nested"): - 656 nested = f"{self.STRUCT_DELIMITER[0]}{interior}{self.STRUCT_DELIMITER[1]}" - 657 if expression.args.get("values") is not None: - 658 delimiters = ("[", "]") if type_value == exp.DataType.Type.ARRAY else ("(", ")") - 659 values = ( - 660 f"{delimiters[0]}{self.expressions(expression, 'values')}{delimiters[1]}" - 661 ) - 662 else: - 663 nested = f"({interior})" - 664 - 665 return f"{type_sql}{nested}{values}" - 666 - 667 def directory_sql(self, expression: exp.Directory) -> str: - 668 local = "LOCAL " if expression.args.get("local") else "" - 669 row_format = self.sql(expression, "row_format") - 670 row_format = f" {row_format}" if row_format else "" - 671 return f"{local}DIRECTORY {self.sql(expression, 'this')}{row_format}" - 672 - 673 def delete_sql(self, expression: exp.Delete) -> str: - 674 this = self.sql(expression, "this") - 675 this = f" FROM {this}" if this else "" - 676 using_sql = ( - 677 f" USING {self.expressions(expression, 'using', sep=', USING ')}" - 678 if expression.args.get("using") - 679 else "" - 680 ) - 681 where_sql = self.sql(expression, "where") - 682 sql = f"DELETE{this}{using_sql}{where_sql}" - 683 return self.prepend_ctes(expression, sql) - 684 - 685 def drop_sql(self, expression: exp.Drop) -> str: - 686 this = self.sql(expression, "this") - 687 kind = expression.args["kind"] - 688 exists_sql = " IF EXISTS " if expression.args.get("exists") else " " - 689 temporary = " TEMPORARY" if expression.args.get("temporary") else "" - 690 materialized = " MATERIALIZED" if expression.args.get("materialized") else "" - 691 cascade = " CASCADE" if expression.args.get("cascade") else "" - 692 return f"DROP{temporary}{materialized} {kind}{exists_sql}{this}{cascade}" - 693 - 694 def except_sql(self, expression: exp.Except) -> str: - 695 return self.prepend_ctes( - 696 expression, - 697 self.set_operation(expression, self.except_op(expression)), - 698 ) - 699 - 700 def except_op(self, expression: exp.Except) -> str: - 701 return f"EXCEPT{'' if expression.args.get('distinct') else ' ALL'}" - 702 - 703 def fetch_sql(self, expression: exp.Fetch) -> str: - 704 direction = expression.args.get("direction") - 705 direction = f" {direction.upper()}" if direction else "" - 706 count = expression.args.get("count") - 707 count = f" {count}" if count else "" - 708 return f"{self.seg('FETCH')}{direction}{count} ROWS ONLY" + 587 else: + 588 index_sql = postindex_props_sql + 589 + 590 replace = " OR REPLACE" if expression.args.get("replace") else "" + 591 unique = " UNIQUE" if expression.args.get("unique") else "" + 592 volatile = " VOLATILE" if expression.args.get("volatile") else "" + 593 + 594 postcreate_props_sql = "" + 595 if properties_locs.get(exp.Properties.Location.POST_CREATE): + 596 postcreate_props_sql = self.properties( + 597 exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_CREATE]), + 598 sep=" ", + 599 prefix=" ", + 600 wrapped=False, + 601 ) + 602 + 603 modifiers = "".join((replace, unique, volatile, postcreate_props_sql)) + 604 + 605 postexpression_props_sql = "" + 606 if properties_locs.get(exp.Properties.Location.POST_EXPRESSION): + 607 postexpression_props_sql = self.properties( + 608 exp.Properties( + 609 expressions=properties_locs[exp.Properties.Location.POST_EXPRESSION] + 610 ), + 611 sep=" ", + 612 prefix=" ", + 613 wrapped=False, + 614 ) + 615 + 616 exists_sql = " IF NOT EXISTS" if expression.args.get("exists") else "" + 617 no_schema_binding = ( + 618 " WITH NO SCHEMA BINDING" if expression.args.get("no_schema_binding") else "" + 619 ) + 620 + 621 expression_sql = f"CREATE{modifiers} {kind}{exists_sql} {this}{properties_sql}{expression_sql}{postexpression_props_sql}{index_sql}{no_schema_binding}" + 622 return self.prepend_ctes(expression, expression_sql) + 623 + 624 def describe_sql(self, expression: exp.Describe) -> str: + 625 return f"DESCRIBE {self.sql(expression, 'this')}" + 626 + 627 def prepend_ctes(self, expression: exp.Expression, sql: str) -> str: + 628 with_ = self.sql(expression, "with") + 629 if with_: + 630 sql = f"{with_}{self.sep()}{sql}" + 631 return sql + 632 + 633 def with_sql(self, expression: exp.With) -> str: + 634 sql = self.expressions(expression, flat=True) + 635 recursive = "RECURSIVE " if expression.args.get("recursive") else "" + 636 + 637 return f"WITH {recursive}{sql}" + 638 + 639 def cte_sql(self, expression: exp.CTE) -> str: + 640 alias = self.sql(expression, "alias") + 641 return f"{alias} AS {self.wrap(expression)}" + 642 + 643 def tablealias_sql(self, expression: exp.TableAlias) -> str: + 644 alias = self.sql(expression, "this") + 645 columns = self.expressions(expression, key="columns", flat=True) + 646 columns = f"({columns})" if columns else "" + 647 return f"{alias}{columns}" + 648 + 649 def bitstring_sql(self, expression: exp.BitString) -> str: + 650 return self.sql(expression, "this") + 651 + 652 def hexstring_sql(self, expression: exp.HexString) -> str: + 653 return self.sql(expression, "this") + 654 + 655 def datatype_sql(self, expression: exp.DataType) -> str: + 656 type_value = expression.this + 657 type_sql = self.TYPE_MAPPING.get(type_value, type_value.value) + 658 nested = "" + 659 interior = self.expressions(expression, flat=True) + 660 values = "" + 661 if interior: + 662 if expression.args.get("nested"): + 663 nested = f"{self.STRUCT_DELIMITER[0]}{interior}{self.STRUCT_DELIMITER[1]}" + 664 if expression.args.get("values") is not None: + 665 delimiters = ("[", "]") if type_value == exp.DataType.Type.ARRAY else ("(", ")") + 666 values = ( + 667 f"{delimiters[0]}{self.expressions(expression, 'values')}{delimiters[1]}" + 668 ) + 669 else: + 670 nested = f"({interior})" + 671 + 672 return f"{type_sql}{nested}{values}" + 673 + 674 def directory_sql(self, expression: exp.Directory) -> str: + 675 local = "LOCAL " if expression.args.get("local") else "" + 676 row_format = self.sql(expression, "row_format") + 677 row_format = f" {row_format}" if row_format else "" + 678 return f"{local}DIRECTORY {self.sql(expression, 'this')}{row_format}" + 679 + 680 def delete_sql(self, expression: exp.Delete) -> str: + 681 this = self.sql(expression, "this") + 682 this = f" FROM {this}" if this else "" + 683 using_sql = ( + 684 f" USING {self.expressions(expression, 'using', sep=', USING ')}" + 685 if expression.args.get("using") + 686 else "" + 687 ) + 688 where_sql = self.sql(expression, "where") + 689 sql = f"DELETE{this}{using_sql}{where_sql}" + 690 return self.prepend_ctes(expression, sql) + 691 + 692 def drop_sql(self, expression: exp.Drop) -> str: + 693 this = self.sql(expression, "this") + 694 kind = expression.args["kind"] + 695 exists_sql = " IF EXISTS " if expression.args.get("exists") else " " + 696 temporary = " TEMPORARY" if expression.args.get("temporary") else "" + 697 materialized = " MATERIALIZED" if expression.args.get("materialized") else "" + 698 cascade = " CASCADE" if expression.args.get("cascade") else "" + 699 return f"DROP{temporary}{materialized} {kind}{exists_sql}{this}{cascade}" + 700 + 701 def except_sql(self, expression: exp.Except) -> str: + 702 return self.prepend_ctes( + 703 expression, + 704 self.set_operation(expression, self.except_op(expression)), + 705 ) + 706 + 707 def except_op(self, expression: exp.Except) -> str: + 708 return f"EXCEPT{'' if expression.args.get('distinct') else ' ALL'}" 709 - 710 def filter_sql(self, expression: exp.Filter) -> str: - 711 this = self.sql(expression, "this") - 712 where = self.sql(expression, "expression")[1:] # where has a leading space - 713 return f"{this} FILTER({where})" - 714 - 715 def hint_sql(self, expression: exp.Hint) -> str: - 716 if self.sql(expression, "this"): - 717 self.unsupported("Hints are not supported") - 718 return "" - 719 - 720 def index_sql(self, expression: exp.Index) -> str: - 721 this = self.sql(expression, "this") - 722 table = self.sql(expression, "table") - 723 columns = self.sql(expression, "columns") - 724 return f"{this} ON {table} {columns}" - 725 - 726 def identifier_sql(self, expression: exp.Identifier) -> str: - 727 text = expression.name - 728 text = text.lower() if self.normalize else text - 729 text = text.replace(self.identifier_end, self._escaped_identifier_end) - 730 if expression.args.get("quoted") or self.identify: - 731 text = f"{self.identifier_start}{text}{self.identifier_end}" - 732 return text - 733 - 734 def national_sql(self, expression: exp.National) -> str: - 735 return f"N{self.sql(expression, 'this')}" - 736 - 737 def partition_sql(self, expression: exp.Partition) -> str: - 738 return f"PARTITION({self.expressions(expression)})" - 739 - 740 def properties_sql(self, expression: exp.Properties) -> str: - 741 root_properties = [] - 742 with_properties = [] + 710 def fetch_sql(self, expression: exp.Fetch) -> str: + 711 direction = expression.args.get("direction") + 712 direction = f" {direction.upper()}" if direction else "" + 713 count = expression.args.get("count") + 714 count = f" {count}" if count else "" + 715 return f"{self.seg('FETCH')}{direction}{count} ROWS ONLY" + 716 + 717 def filter_sql(self, expression: exp.Filter) -> str: + 718 this = self.sql(expression, "this") + 719 where = self.sql(expression, "expression")[1:] # where has a leading space + 720 return f"{this} FILTER({where})" + 721 + 722 def hint_sql(self, expression: exp.Hint) -> str: + 723 if self.sql(expression, "this"): + 724 self.unsupported("Hints are not supported") + 725 return "" + 726 + 727 def index_sql(self, expression: exp.Index) -> str: + 728 this = self.sql(expression, "this") + 729 table = self.sql(expression, "table") + 730 columns = self.sql(expression, "columns") + 731 return f"{this} ON {table} {columns}" + 732 + 733 def identifier_sql(self, expression: exp.Identifier) -> str: + 734 text = expression.name + 735 text = text.lower() if self.normalize else text + 736 text = text.replace(self.identifier_end, self._escaped_identifier_end) + 737 if expression.args.get("quoted") or self.identify: + 738 text = f"{self.identifier_start}{text}{self.identifier_end}" + 739 return text + 740 + 741 def national_sql(self, expression: exp.National) -> str: + 742 return f"N{self.sql(expression, 'this')}" 743 - 744 for p in expression.expressions: - 745 p_loc = self.PROPERTIES_LOCATION[p.__class__] - 746 if p_loc == exp.Properties.Location.POST_WITH: - 747 with_properties.append(p) - 748 elif p_loc == exp.Properties.Location.POST_SCHEMA: - 749 root_properties.append(p) + 744 def partition_sql(self, expression: exp.Partition) -> str: + 745 return f"PARTITION({self.expressions(expression)})" + 746 + 747 def properties_sql(self, expression: exp.Properties) -> str: + 748 root_properties = [] + 749 with_properties = [] 750 - 751 return self.root_properties( - 752 exp.Properties(expressions=root_properties) - 753 ) + self.with_properties(exp.Properties(expressions=with_properties)) - 754 - 755 def root_properties(self, properties: exp.Properties) -> str: - 756 if properties.expressions: - 757 return self.sep() + self.expressions(properties, indent=False, sep=" ") - 758 return "" - 759 - 760 def properties( - 761 self, - 762 properties: exp.Properties, - 763 prefix: str = "", - 764 sep: str = ", ", - 765 suffix: str = "", - 766 wrapped: bool = True, - 767 ) -> str: - 768 if properties.expressions: - 769 expressions = self.expressions(properties, sep=sep, indent=False) - 770 expressions = self.wrap(expressions) if wrapped else expressions - 771 return f"{prefix}{' ' if prefix and prefix != ' ' else ''}{expressions}{suffix}" - 772 return "" - 773 - 774 def with_properties(self, properties: exp.Properties) -> str: - 775 return self.properties(properties, prefix=self.seg("WITH")) - 776 - 777 def locate_properties( - 778 self, properties: exp.Properties - 779 ) -> t.Dict[exp.Properties.Location, list[exp.Property]]: - 780 properties_locs: t.Dict[exp.Properties.Location, list[exp.Property]] = { - 781 key: [] for key in exp.Properties.Location - 782 } + 751 for p in expression.expressions: + 752 p_loc = self.PROPERTIES_LOCATION[p.__class__] + 753 if p_loc == exp.Properties.Location.POST_WITH: + 754 with_properties.append(p) + 755 elif p_loc == exp.Properties.Location.POST_SCHEMA: + 756 root_properties.append(p) + 757 + 758 return self.root_properties( + 759 exp.Properties(expressions=root_properties) + 760 ) + self.with_properties(exp.Properties(expressions=with_properties)) + 761 + 762 def root_properties(self, properties: exp.Properties) -> str: + 763 if properties.expressions: + 764 return self.sep() + self.expressions(properties, indent=False, sep=" ") + 765 return "" + 766 + 767 def properties( + 768 self, + 769 properties: exp.Properties, + 770 prefix: str = "", + 771 sep: str = ", ", + 772 suffix: str = "", + 773 wrapped: bool = True, + 774 ) -> str: + 775 if properties.expressions: + 776 expressions = self.expressions(properties, sep=sep, indent=False) + 777 expressions = self.wrap(expressions) if wrapped else expressions + 778 return f"{prefix}{' ' if prefix and prefix != ' ' else ''}{expressions}{suffix}" + 779 return "" + 780 + 781 def with_properties(self, properties: exp.Properties) -> str: + 782 return self.properties(properties, prefix=self.seg("WITH")) 783 - 784 for p in properties.expressions: - 785 p_loc = self.PROPERTIES_LOCATION[p.__class__] - 786 if p_loc == exp.Properties.Location.POST_NAME: - 787 properties_locs[exp.Properties.Location.POST_NAME].append(p) - 788 elif p_loc == exp.Properties.Location.POST_INDEX: - 789 properties_locs[exp.Properties.Location.POST_INDEX].append(p) - 790 elif p_loc == exp.Properties.Location.POST_SCHEMA: - 791 properties_locs[exp.Properties.Location.POST_SCHEMA].append(p) - 792 elif p_loc == exp.Properties.Location.POST_WITH: - 793 properties_locs[exp.Properties.Location.POST_WITH].append(p) - 794 elif p_loc == exp.Properties.Location.POST_CREATE: - 795 properties_locs[exp.Properties.Location.POST_CREATE].append(p) - 796 elif p_loc == exp.Properties.Location.POST_ALIAS: - 797 properties_locs[exp.Properties.Location.POST_ALIAS].append(p) - 798 elif p_loc == exp.Properties.Location.POST_EXPRESSION: - 799 properties_locs[exp.Properties.Location.POST_EXPRESSION].append(p) - 800 elif p_loc == exp.Properties.Location.UNSUPPORTED: - 801 self.unsupported(f"Unsupported property {p.key}") - 802 - 803 return properties_locs - 804 - 805 def property_sql(self, expression: exp.Property) -> str: - 806 property_cls = expression.__class__ - 807 if property_cls == exp.Property: - 808 return f"{expression.name}={self.sql(expression, 'value')}" + 784 def locate_properties( + 785 self, properties: exp.Properties + 786 ) -> t.Dict[exp.Properties.Location, list[exp.Property]]: + 787 properties_locs: t.Dict[exp.Properties.Location, list[exp.Property]] = { + 788 key: [] for key in exp.Properties.Location + 789 } + 790 + 791 for p in properties.expressions: + 792 p_loc = self.PROPERTIES_LOCATION[p.__class__] + 793 if p_loc == exp.Properties.Location.POST_NAME: + 794 properties_locs[exp.Properties.Location.POST_NAME].append(p) + 795 elif p_loc == exp.Properties.Location.POST_INDEX: + 796 properties_locs[exp.Properties.Location.POST_INDEX].append(p) + 797 elif p_loc == exp.Properties.Location.POST_SCHEMA: + 798 properties_locs[exp.Properties.Location.POST_SCHEMA].append(p) + 799 elif p_loc == exp.Properties.Location.POST_WITH: + 800 properties_locs[exp.Properties.Location.POST_WITH].append(p) + 801 elif p_loc == exp.Properties.Location.POST_CREATE: + 802 properties_locs[exp.Properties.Location.POST_CREATE].append(p) + 803 elif p_loc == exp.Properties.Location.POST_ALIAS: + 804 properties_locs[exp.Properties.Location.POST_ALIAS].append(p) + 805 elif p_loc == exp.Properties.Location.POST_EXPRESSION: + 806 properties_locs[exp.Properties.Location.POST_EXPRESSION].append(p) + 807 elif p_loc == exp.Properties.Location.UNSUPPORTED: + 808 self.unsupported(f"Unsupported property {p.key}") 809 - 810 property_name = exp.Properties.PROPERTY_TO_NAME.get(property_cls) - 811 if not property_name: - 812 self.unsupported(f"Unsupported property {expression.key}") - 813 - 814 return f"{property_name}={self.sql(expression, 'this')}" - 815 - 816 def likeproperty_sql(self, expression: exp.LikeProperty) -> str: - 817 options = " ".join(f"{e.name} {self.sql(e, 'value')}" for e in expression.expressions) - 818 options = f" {options}" if options else "" - 819 return f"LIKE {self.sql(expression, 'this')}{options}" + 810 return properties_locs + 811 + 812 def property_sql(self, expression: exp.Property) -> str: + 813 property_cls = expression.__class__ + 814 if property_cls == exp.Property: + 815 return f"{expression.name}={self.sql(expression, 'value')}" + 816 + 817 property_name = exp.Properties.PROPERTY_TO_NAME.get(property_cls) + 818 if not property_name: + 819 self.unsupported(f"Unsupported property {expression.key}") 820 - 821 def fallbackproperty_sql(self, expression: exp.FallbackProperty) -> str: - 822 no = "NO " if expression.args.get("no") else "" - 823 protection = " PROTECTION" if expression.args.get("protection") else "" - 824 return f"{no}FALLBACK{protection}" - 825 - 826 def journalproperty_sql(self, expression: exp.JournalProperty) -> str: - 827 no = "NO " if expression.args.get("no") else "" - 828 dual = "DUAL " if expression.args.get("dual") else "" - 829 before = "BEFORE " if expression.args.get("before") else "" - 830 return f"{no}{dual}{before}JOURNAL" - 831 - 832 def freespaceproperty_sql(self, expression: exp.FreespaceProperty) -> str: - 833 freespace = self.sql(expression, "this") - 834 percent = " PERCENT" if expression.args.get("percent") else "" - 835 return f"FREESPACE={freespace}{percent}" - 836 - 837 def afterjournalproperty_sql(self, expression: exp.AfterJournalProperty) -> str: - 838 no = "NO " if expression.args.get("no") else "" - 839 dual = "DUAL " if expression.args.get("dual") else "" - 840 local = "" - 841 if expression.args.get("local") is not None: - 842 local = "LOCAL " if expression.args.get("local") else "NOT LOCAL " - 843 return f"{no}{dual}{local}AFTER JOURNAL" - 844 - 845 def checksumproperty_sql(self, expression: exp.ChecksumProperty) -> str: - 846 if expression.args.get("default"): - 847 property = "DEFAULT" - 848 elif expression.args.get("on"): - 849 property = "ON" - 850 else: - 851 property = "OFF" - 852 return f"CHECKSUM={property}" - 853 - 854 def mergeblockratioproperty_sql(self, expression: exp.MergeBlockRatioProperty) -> str: - 855 if expression.args.get("no"): - 856 return "NO MERGEBLOCKRATIO" - 857 if expression.args.get("default"): - 858 return "DEFAULT MERGEBLOCKRATIO" - 859 - 860 percent = " PERCENT" if expression.args.get("percent") else "" - 861 return f"MERGEBLOCKRATIO={self.sql(expression, 'this')}{percent}" - 862 - 863 def datablocksizeproperty_sql(self, expression: exp.DataBlocksizeProperty) -> str: - 864 default = expression.args.get("default") - 865 min = expression.args.get("min") - 866 if default is not None or min is not None: - 867 if default: - 868 property = "DEFAULT" - 869 elif min: - 870 property = "MINIMUM" - 871 else: - 872 property = "MAXIMUM" - 873 return f"{property} DATABLOCKSIZE" - 874 else: - 875 units = expression.args.get("units") - 876 units = f" {units}" if units else "" - 877 return f"DATABLOCKSIZE={self.sql(expression, 'size')}{units}" - 878 - 879 def blockcompressionproperty_sql(self, expression: exp.BlockCompressionProperty) -> str: - 880 autotemp = expression.args.get("autotemp") - 881 always = expression.args.get("always") - 882 default = expression.args.get("default") - 883 manual = expression.args.get("manual") - 884 never = expression.args.get("never") + 821 return f"{property_name}={self.sql(expression, 'this')}" + 822 + 823 def likeproperty_sql(self, expression: exp.LikeProperty) -> str: + 824 options = " ".join(f"{e.name} {self.sql(e, 'value')}" for e in expression.expressions) + 825 options = f" {options}" if options else "" + 826 return f"LIKE {self.sql(expression, 'this')}{options}" + 827 + 828 def fallbackproperty_sql(self, expression: exp.FallbackProperty) -> str: + 829 no = "NO " if expression.args.get("no") else "" + 830 protection = " PROTECTION" if expression.args.get("protection") else "" + 831 return f"{no}FALLBACK{protection}" + 832 + 833 def journalproperty_sql(self, expression: exp.JournalProperty) -> str: + 834 no = "NO " if expression.args.get("no") else "" + 835 dual = "DUAL " if expression.args.get("dual") else "" + 836 before = "BEFORE " if expression.args.get("before") else "" + 837 return f"{no}{dual}{before}JOURNAL" + 838 + 839 def freespaceproperty_sql(self, expression: exp.FreespaceProperty) -> str: + 840 freespace = self.sql(expression, "this") + 841 percent = " PERCENT" if expression.args.get("percent") else "" + 842 return f"FREESPACE={freespace}{percent}" + 843 + 844 def afterjournalproperty_sql(self, expression: exp.AfterJournalProperty) -> str: + 845 no = "NO " if expression.args.get("no") else "" + 846 dual = "DUAL " if expression.args.get("dual") else "" + 847 local = "" + 848 if expression.args.get("local") is not None: + 849 local = "LOCAL " if expression.args.get("local") else "NOT LOCAL " + 850 return f"{no}{dual}{local}AFTER JOURNAL" + 851 + 852 def checksumproperty_sql(self, expression: exp.ChecksumProperty) -> str: + 853 if expression.args.get("default"): + 854 property = "DEFAULT" + 855 elif expression.args.get("on"): + 856 property = "ON" + 857 else: + 858 property = "OFF" + 859 return f"CHECKSUM={property}" + 860 + 861 def mergeblockratioproperty_sql(self, expression: exp.MergeBlockRatioProperty) -> str: + 862 if expression.args.get("no"): + 863 return "NO MERGEBLOCKRATIO" + 864 if expression.args.get("default"): + 865 return "DEFAULT MERGEBLOCKRATIO" + 866 + 867 percent = " PERCENT" if expression.args.get("percent") else "" + 868 return f"MERGEBLOCKRATIO={self.sql(expression, 'this')}{percent}" + 869 + 870 def datablocksizeproperty_sql(self, expression: exp.DataBlocksizeProperty) -> str: + 871 default = expression.args.get("default") + 872 min = expression.args.get("min") + 873 if default is not None or min is not None: + 874 if default: + 875 property = "DEFAULT" + 876 elif min: + 877 property = "MINIMUM" + 878 else: + 879 property = "MAXIMUM" + 880 return f"{property} DATABLOCKSIZE" + 881 else: + 882 units = expression.args.get("units") + 883 units = f" {units}" if units else "" + 884 return f"DATABLOCKSIZE={self.sql(expression, 'size')}{units}" 885 - 886 if autotemp is not None: - 887 property = f"AUTOTEMP({self.expressions(autotemp)})" - 888 elif always: - 889 property = "ALWAYS" - 890 elif default: - 891 property = "DEFAULT" - 892 elif manual: - 893 property = "MANUAL" - 894 elif never: - 895 property = "NEVER" - 896 return f"BLOCKCOMPRESSION={property}" - 897 - 898 def isolatedloadingproperty_sql(self, expression: exp.IsolatedLoadingProperty) -> str: - 899 no = expression.args.get("no") - 900 no = " NO" if no else "" - 901 concurrent = expression.args.get("concurrent") - 902 concurrent = " CONCURRENT" if concurrent else "" - 903 - 904 for_ = "" - 905 if expression.args.get("for_all"): - 906 for_ = " FOR ALL" - 907 elif expression.args.get("for_insert"): - 908 for_ = " FOR INSERT" - 909 elif expression.args.get("for_none"): - 910 for_ = " FOR NONE" - 911 return f"WITH{no}{concurrent} ISOLATED LOADING{for_}" - 912 - 913 def lockingproperty_sql(self, expression: exp.LockingProperty) -> str: - 914 kind = expression.args.get("kind") - 915 this: str = f" {this}" if expression.this else "" - 916 for_or_in = expression.args.get("for_or_in") - 917 lock_type = expression.args.get("lock_type") - 918 override = " OVERRIDE" if expression.args.get("override") else "" - 919 return f"LOCKING {kind}{this} {for_or_in} {lock_type}{override}" - 920 - 921 def withdataproperty_sql(self, expression: exp.WithDataProperty) -> str: - 922 data_sql = f"WITH {'NO ' if expression.args.get('no') else ''}DATA" - 923 statistics = expression.args.get("statistics") - 924 statistics_sql = "" - 925 if statistics is not None: - 926 statistics_sql = f" AND {'NO ' if not statistics else ''}STATISTICS" - 927 return f"{data_sql}{statistics_sql}" - 928 - 929 def insert_sql(self, expression: exp.Insert) -> str: - 930 overwrite = expression.args.get("overwrite") - 931 - 932 if isinstance(expression.this, exp.Directory): - 933 this = "OVERWRITE " if overwrite else "INTO " - 934 else: - 935 this = "OVERWRITE TABLE " if overwrite else "INTO " - 936 - 937 alternative = expression.args.get("alternative") - 938 alternative = f" OR {alternative} " if alternative else " " - 939 this = f"{this}{self.sql(expression, 'this')}" - 940 - 941 exists = " IF EXISTS " if expression.args.get("exists") else " " - 942 partition_sql = ( - 943 self.sql(expression, "partition") if expression.args.get("partition") else "" - 944 ) - 945 expression_sql = self.sql(expression, "expression") - 946 sep = self.sep() if partition_sql else "" - 947 sql = f"INSERT{alternative}{this}{exists}{partition_sql}{sep}{expression_sql}" - 948 return self.prepend_ctes(expression, sql) - 949 - 950 def intersect_sql(self, expression: exp.Intersect) -> str: - 951 return self.prepend_ctes( - 952 expression, - 953 self.set_operation(expression, self.intersect_op(expression)), - 954 ) - 955 - 956 def intersect_op(self, expression: exp.Intersect) -> str: - 957 return f"INTERSECT{'' if expression.args.get('distinct') else ' ALL'}" - 958 - 959 def introducer_sql(self, expression: exp.Introducer) -> str: - 960 return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}" - 961 - 962 def pseudotype_sql(self, expression: exp.PseudoType) -> str: - 963 return expression.name.upper() - 964 - 965 def rowformatdelimitedproperty_sql(self, expression: exp.RowFormatDelimitedProperty) -> str: - 966 fields = expression.args.get("fields") - 967 fields = f" FIELDS TERMINATED BY {fields}" if fields else "" - 968 escaped = expression.args.get("escaped") - 969 escaped = f" ESCAPED BY {escaped}" if escaped else "" - 970 items = expression.args.get("collection_items") - 971 items = f" COLLECTION ITEMS TERMINATED BY {items}" if items else "" - 972 keys = expression.args.get("map_keys") - 973 keys = f" MAP KEYS TERMINATED BY {keys}" if keys else "" - 974 lines = expression.args.get("lines") - 975 lines = f" LINES TERMINATED BY {lines}" if lines else "" - 976 null = expression.args.get("null") - 977 null = f" NULL DEFINED AS {null}" if null else "" - 978 return f"ROW FORMAT DELIMITED{fields}{escaped}{items}{keys}{lines}{null}" - 979 - 980 def table_sql(self, expression: exp.Table, sep: str = " AS ") -> str: - 981 table = ".".join( - 982 part - 983 for part in [ - 984 self.sql(expression, "catalog"), - 985 self.sql(expression, "db"), - 986 self.sql(expression, "this"), - 987 ] - 988 if part - 989 ) - 990 - 991 alias = self.sql(expression, "alias") - 992 alias = f"{sep}{alias}" if alias else "" - 993 hints = self.expressions(expression, key="hints", sep=", ", flat=True) - 994 hints = f" WITH ({hints})" if hints else "" - 995 laterals = self.expressions(expression, key="laterals", sep="") - 996 joins = self.expressions(expression, key="joins", sep="") - 997 pivots = self.expressions(expression, key="pivots", sep="") - 998 system_time = expression.args.get("system_time") - 999 system_time = f" {self.sql(expression, 'system_time')}" if system_time else "" -1000 -1001 return f"{table}{system_time}{alias}{hints}{laterals}{joins}{pivots}" -1002 -1003 def tablesample_sql(self, expression: exp.TableSample) -> str: -1004 if self.alias_post_tablesample and expression.this.alias: -1005 this = self.sql(expression.this, "this") -1006 alias = f" AS {self.sql(expression.this, 'alias')}" -1007 else: -1008 this = self.sql(expression, "this") -1009 alias = "" -1010 method = self.sql(expression, "method") -1011 method = f" {method.upper()} " if method else "" -1012 numerator = self.sql(expression, "bucket_numerator") -1013 denominator = self.sql(expression, "bucket_denominator") -1014 field = self.sql(expression, "bucket_field") -1015 field = f" ON {field}" if field else "" -1016 bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else "" -1017 percent = self.sql(expression, "percent") -1018 percent = f"{percent} PERCENT" if percent else "" -1019 rows = self.sql(expression, "rows") -1020 rows = f"{rows} ROWS" if rows else "" -1021 size = self.sql(expression, "size") -1022 seed = self.sql(expression, "seed") -1023 seed = f" SEED ({seed})" if seed else "" -1024 return f"{this} TABLESAMPLE{method}({bucket}{percent}{rows}{size}){seed}{alias}" -1025 -1026 def pivot_sql(self, expression: exp.Pivot) -> str: -1027 this = self.sql(expression, "this") -1028 alias = self.sql(expression, "alias") -1029 alias = f" AS {alias}" if alias else "" -1030 unpivot = expression.args.get("unpivot") -1031 direction = "UNPIVOT" if unpivot else "PIVOT" -1032 expressions = self.expressions(expression, key="expressions") -1033 field = self.sql(expression, "field") -1034 return f"{this} {direction}({expressions} FOR {field}){alias}" -1035 -1036 def tuple_sql(self, expression: exp.Tuple) -> str: -1037 return f"({self.expressions(expression, flat=True)})" -1038 -1039 def update_sql(self, expression: exp.Update) -> str: -1040 this = self.sql(expression, "this") -1041 set_sql = self.expressions(expression, flat=True) -1042 from_sql = self.sql(expression, "from") -1043 where_sql = self.sql(expression, "where") -1044 sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}" -1045 return self.prepend_ctes(expression, sql) -1046 -1047 def values_sql(self, expression: exp.Values) -> str: -1048 args = self.expressions(expression) -1049 alias = self.sql(expression, "alias") -1050 values = f"VALUES{self.seg('')}{args}" -1051 values = ( -1052 f"({values})" -1053 if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From)) -1054 else values -1055 ) -1056 return f"{values} AS {alias}" if alias else values -1057 -1058 def var_sql(self, expression: exp.Var) -> str: -1059 return self.sql(expression, "this") -1060 -1061 def into_sql(self, expression: exp.Into) -> str: -1062 temporary = " TEMPORARY" if expression.args.get("temporary") else "" -1063 unlogged = " UNLOGGED" if expression.args.get("unlogged") else "" -1064 return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}" -1065 -1066 def from_sql(self, expression: exp.From) -> str: -1067 expressions = self.expressions(expression, flat=True) -1068 return f"{self.seg('FROM')} {expressions}" -1069 -1070 def group_sql(self, expression: exp.Group) -> str: -1071 group_by = self.op_expressions("GROUP BY", expression) -1072 grouping_sets = self.expressions(expression, key="grouping_sets", indent=False) -1073 grouping_sets = ( -1074 f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else "" -1075 ) + 886 def blockcompressionproperty_sql(self, expression: exp.BlockCompressionProperty) -> str: + 887 autotemp = expression.args.get("autotemp") + 888 always = expression.args.get("always") + 889 default = expression.args.get("default") + 890 manual = expression.args.get("manual") + 891 never = expression.args.get("never") + 892 + 893 if autotemp is not None: + 894 property = f"AUTOTEMP({self.expressions(autotemp)})" + 895 elif always: + 896 property = "ALWAYS" + 897 elif default: + 898 property = "DEFAULT" + 899 elif manual: + 900 property = "MANUAL" + 901 elif never: + 902 property = "NEVER" + 903 return f"BLOCKCOMPRESSION={property}" + 904 + 905 def isolatedloadingproperty_sql(self, expression: exp.IsolatedLoadingProperty) -> str: + 906 no = expression.args.get("no") + 907 no = " NO" if no else "" + 908 concurrent = expression.args.get("concurrent") + 909 concurrent = " CONCURRENT" if concurrent else "" + 910 + 911 for_ = "" + 912 if expression.args.get("for_all"): + 913 for_ = " FOR ALL" + 914 elif expression.args.get("for_insert"): + 915 for_ = " FOR INSERT" + 916 elif expression.args.get("for_none"): + 917 for_ = " FOR NONE" + 918 return f"WITH{no}{concurrent} ISOLATED LOADING{for_}" + 919 + 920 def lockingproperty_sql(self, expression: exp.LockingProperty) -> str: + 921 kind = expression.args.get("kind") + 922 this: str = f" {this}" if expression.this else "" + 923 for_or_in = expression.args.get("for_or_in") + 924 lock_type = expression.args.get("lock_type") + 925 override = " OVERRIDE" if expression.args.get("override") else "" + 926 return f"LOCKING {kind}{this} {for_or_in} {lock_type}{override}" + 927 + 928 def withdataproperty_sql(self, expression: exp.WithDataProperty) -> str: + 929 data_sql = f"WITH {'NO ' if expression.args.get('no') else ''}DATA" + 930 statistics = expression.args.get("statistics") + 931 statistics_sql = "" + 932 if statistics is not None: + 933 statistics_sql = f" AND {'NO ' if not statistics else ''}STATISTICS" + 934 return f"{data_sql}{statistics_sql}" + 935 + 936 def insert_sql(self, expression: exp.Insert) -> str: + 937 overwrite = expression.args.get("overwrite") + 938 + 939 if isinstance(expression.this, exp.Directory): + 940 this = "OVERWRITE " if overwrite else "INTO " + 941 else: + 942 this = "OVERWRITE TABLE " if overwrite else "INTO " + 943 + 944 alternative = expression.args.get("alternative") + 945 alternative = f" OR {alternative} " if alternative else " " + 946 this = f"{this}{self.sql(expression, 'this')}" + 947 + 948 exists = " IF EXISTS " if expression.args.get("exists") else " " + 949 partition_sql = ( + 950 self.sql(expression, "partition") if expression.args.get("partition") else "" + 951 ) + 952 expression_sql = self.sql(expression, "expression") + 953 sep = self.sep() if partition_sql else "" + 954 sql = f"INSERT{alternative}{this}{exists}{partition_sql}{sep}{expression_sql}" + 955 return self.prepend_ctes(expression, sql) + 956 + 957 def intersect_sql(self, expression: exp.Intersect) -> str: + 958 return self.prepend_ctes( + 959 expression, + 960 self.set_operation(expression, self.intersect_op(expression)), + 961 ) + 962 + 963 def intersect_op(self, expression: exp.Intersect) -> str: + 964 return f"INTERSECT{'' if expression.args.get('distinct') else ' ALL'}" + 965 + 966 def introducer_sql(self, expression: exp.Introducer) -> str: + 967 return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}" + 968 + 969 def pseudotype_sql(self, expression: exp.PseudoType) -> str: + 970 return expression.name.upper() + 971 + 972 def rowformatdelimitedproperty_sql(self, expression: exp.RowFormatDelimitedProperty) -> str: + 973 fields = expression.args.get("fields") + 974 fields = f" FIELDS TERMINATED BY {fields}" if fields else "" + 975 escaped = expression.args.get("escaped") + 976 escaped = f" ESCAPED BY {escaped}" if escaped else "" + 977 items = expression.args.get("collection_items") + 978 items = f" COLLECTION ITEMS TERMINATED BY {items}" if items else "" + 979 keys = expression.args.get("map_keys") + 980 keys = f" MAP KEYS TERMINATED BY {keys}" if keys else "" + 981 lines = expression.args.get("lines") + 982 lines = f" LINES TERMINATED BY {lines}" if lines else "" + 983 null = expression.args.get("null") + 984 null = f" NULL DEFINED AS {null}" if null else "" + 985 return f"ROW FORMAT DELIMITED{fields}{escaped}{items}{keys}{lines}{null}" + 986 + 987 def table_sql(self, expression: exp.Table, sep: str = " AS ") -> str: + 988 table = ".".join( + 989 part + 990 for part in [ + 991 self.sql(expression, "catalog"), + 992 self.sql(expression, "db"), + 993 self.sql(expression, "this"), + 994 ] + 995 if part + 996 ) + 997 + 998 alias = self.sql(expression, "alias") + 999 alias = f"{sep}{alias}" if alias else "" +1000 hints = self.expressions(expression, key="hints", sep=", ", flat=True) +1001 hints = f" WITH ({hints})" if hints else "" +1002 laterals = self.expressions(expression, key="laterals", sep="") +1003 joins = self.expressions(expression, key="joins", sep="") +1004 pivots = self.expressions(expression, key="pivots", sep="") +1005 system_time = expression.args.get("system_time") +1006 system_time = f" {self.sql(expression, 'system_time')}" if system_time else "" +1007 +1008 return f"{table}{system_time}{alias}{hints}{laterals}{joins}{pivots}" +1009 +1010 def tablesample_sql(self, expression: exp.TableSample) -> str: +1011 if self.alias_post_tablesample and expression.this.alias: +1012 this = self.sql(expression.this, "this") +1013 alias = f" AS {self.sql(expression.this, 'alias')}" +1014 else: +1015 this = self.sql(expression, "this") +1016 alias = "" +1017 method = self.sql(expression, "method") +1018 method = f" {method.upper()} " if method else "" +1019 numerator = self.sql(expression, "bucket_numerator") +1020 denominator = self.sql(expression, "bucket_denominator") +1021 field = self.sql(expression, "bucket_field") +1022 field = f" ON {field}" if field else "" +1023 bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else "" +1024 percent = self.sql(expression, "percent") +1025 percent = f"{percent} PERCENT" if percent else "" +1026 rows = self.sql(expression, "rows") +1027 rows = f"{rows} ROWS" if rows else "" +1028 size = self.sql(expression, "size") +1029 seed = self.sql(expression, "seed") +1030 seed = f" SEED ({seed})" if seed else "" +1031 return f"{this} TABLESAMPLE{method}({bucket}{percent}{rows}{size}){seed}{alias}" +1032 +1033 def pivot_sql(self, expression: exp.Pivot) -> str: +1034 this = self.sql(expression, "this") +1035 alias = self.sql(expression, "alias") +1036 alias = f" AS {alias}" if alias else "" +1037 unpivot = expression.args.get("unpivot") +1038 direction = "UNPIVOT" if unpivot else "PIVOT" +1039 expressions = self.expressions(expression, key="expressions") +1040 field = self.sql(expression, "field") +1041 return f"{this} {direction}({expressions} FOR {field}){alias}" +1042 +1043 def tuple_sql(self, expression: exp.Tuple) -> str: +1044 return f"({self.expressions(expression, flat=True)})" +1045 +1046 def update_sql(self, expression: exp.Update) -> str: +1047 this = self.sql(expression, "this") +1048 set_sql = self.expressions(expression, flat=True) +1049 from_sql = self.sql(expression, "from") +1050 where_sql = self.sql(expression, "where") +1051 sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}" +1052 return self.prepend_ctes(expression, sql) +1053 +1054 def values_sql(self, expression: exp.Values) -> str: +1055 args = self.expressions(expression) +1056 alias = self.sql(expression, "alias") +1057 values = f"VALUES{self.seg('')}{args}" +1058 values = ( +1059 f"({values})" +1060 if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From)) +1061 else values +1062 ) +1063 return f"{values} AS {alias}" if alias else values +1064 +1065 def var_sql(self, expression: exp.Var) -> str: +1066 return self.sql(expression, "this") +1067 +1068 def into_sql(self, expression: exp.Into) -> str: +1069 temporary = " TEMPORARY" if expression.args.get("temporary") else "" +1070 unlogged = " UNLOGGED" if expression.args.get("unlogged") else "" +1071 return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}" +1072 +1073 def from_sql(self, expression: exp.From) -> str: +1074 expressions = self.expressions(expression, flat=True) +1075 return f"{self.seg('FROM')} {expressions}" 1076 -1077 cube = expression.args.get("cube", []) -1078 if seq_get(cube, 0) is True: -1079 return f"{group_by}{self.seg('WITH CUBE')}" -1080 else: -1081 cube_sql = self.expressions(expression, key="cube", indent=False) -1082 cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else "" +1077 def group_sql(self, expression: exp.Group) -> str: +1078 group_by = self.op_expressions("GROUP BY", expression) +1079 grouping_sets = self.expressions(expression, key="grouping_sets", indent=False) +1080 grouping_sets = ( +1081 f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else "" +1082 ) 1083 -1084 rollup = expression.args.get("rollup", []) -1085 if seq_get(rollup, 0) is True: -1086 return f"{group_by}{self.seg('WITH ROLLUP')}" +1084 cube = expression.args.get("cube", []) +1085 if seq_get(cube, 0) is True: +1086 return f"{group_by}{self.seg('WITH CUBE')}" 1087 else: -1088 rollup_sql = self.expressions(expression, key="rollup", indent=False) -1089 rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else "" +1088 cube_sql = self.expressions(expression, key="cube", indent=False) +1089 cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else "" 1090 -1091 groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",") -1092 -1093 if expression.args.get("expressions") and groupings: -1094 group_by = f"{group_by}," -1095 -1096 return f"{group_by}{groupings}" +1091 rollup = expression.args.get("rollup", []) +1092 if seq_get(rollup, 0) is True: +1093 return f"{group_by}{self.seg('WITH ROLLUP')}" +1094 else: +1095 rollup_sql = self.expressions(expression, key="rollup", indent=False) +1096 rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else "" 1097 -1098 def having_sql(self, expression: exp.Having) -> str: -1099 this = self.indent(self.sql(expression, "this")) -1100 return f"{self.seg('HAVING')}{self.sep()}{this}" -1101 -1102 def join_sql(self, expression: exp.Join) -> str: -1103 op_sql = self.seg( -1104 " ".join( -1105 op -1106 for op in ( -1107 "NATURAL" if expression.args.get("natural") else None, -1108 expression.side, -1109 expression.kind, -1110 "JOIN", -1111 ) -1112 if op -1113 ) -1114 ) -1115 on_sql = self.sql(expression, "on") -1116 using = expression.args.get("using") -1117 -1118 if not on_sql and using: -1119 on_sql = csv(*(self.sql(column) for column in using)) -1120 -1121 if on_sql: -1122 on_sql = self.indent(on_sql, skip_first=True) -1123 space = self.seg(" " * self.pad) if self.pretty else " " -1124 if using: -1125 on_sql = f"{space}USING ({on_sql})" -1126 else: -1127 on_sql = f"{space}ON {on_sql}" -1128 -1129 expression_sql = self.sql(expression, "expression") -1130 this_sql = self.sql(expression, "this") -1131 return f"{expression_sql}{op_sql} {this_sql}{on_sql}" -1132 -1133 def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str: -1134 args = self.expressions(expression, flat=True) -1135 args = f"({args})" if len(args.split(",")) > 1 else args -1136 return f"{args} {arrow_sep} {self.sql(expression, 'this')}" -1137 -1138 def lateral_sql(self, expression: exp.Lateral) -> str: -1139 this = self.sql(expression, "this") -1140 -1141 if isinstance(expression.this, exp.Subquery): -1142 return f"LATERAL {this}" -1143 -1144 if expression.args.get("view"): -1145 alias = expression.args["alias"] -1146 columns = self.expressions(alias, key="columns", flat=True) -1147 table = f" {alias.name}" if alias.name else "" -1148 columns = f" AS {columns}" if columns else "" -1149 op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}") -1150 return f"{op_sql}{self.sep()}{this}{table}{columns}" -1151 -1152 alias = self.sql(expression, "alias") -1153 alias = f" AS {alias}" if alias else "" -1154 return f"LATERAL {this}{alias}" -1155 -1156 def limit_sql(self, expression: exp.Limit) -> str: -1157 this = self.sql(expression, "this") -1158 return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}" -1159 -1160 def offset_sql(self, expression: exp.Offset) -> str: -1161 this = self.sql(expression, "this") -1162 return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}" -1163 -1164 def lock_sql(self, expression: exp.Lock) -> str: -1165 if self.LOCKING_READS_SUPPORTED: -1166 lock_type = "UPDATE" if expression.args["update"] else "SHARE" -1167 return self.seg(f"FOR {lock_type}") -1168 -1169 self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported") -1170 return "" -1171 -1172 def literal_sql(self, expression: exp.Literal) -> str: -1173 text = expression.this or "" -1174 if expression.is_string: -1175 text = text.replace(self.quote_end, self._escaped_quote_end) -1176 if self.pretty: -1177 text = text.replace("\n", self.SENTINEL_LINE_BREAK) -1178 text = f"{self.quote_start}{text}{self.quote_end}" -1179 return text -1180 -1181 def loaddata_sql(self, expression: exp.LoadData) -> str: -1182 local = " LOCAL" if expression.args.get("local") else "" -1183 inpath = f" INPATH {self.sql(expression, 'inpath')}" -1184 overwrite = " OVERWRITE" if expression.args.get("overwrite") else "" -1185 this = f" INTO TABLE {self.sql(expression, 'this')}" -1186 partition = self.sql(expression, "partition") -1187 partition = f" {partition}" if partition else "" -1188 input_format = self.sql(expression, "input_format") -1189 input_format = f" INPUTFORMAT {input_format}" if input_format else "" -1190 serde = self.sql(expression, "serde") -1191 serde = f" SERDE {serde}" if serde else "" -1192 return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}" -1193 -1194 def null_sql(self, *_) -> str: -1195 return "NULL" -1196 -1197 def boolean_sql(self, expression: exp.Boolean) -> str: -1198 return "TRUE" if expression.this else "FALSE" -1199 -1200 def order_sql(self, expression: exp.Order, flat: bool = False) -> str: -1201 this = self.sql(expression, "this") -1202 this = f"{this} " if this else this -1203 return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat) # type: ignore -1204 -1205 def cluster_sql(self, expression: exp.Cluster) -> str: -1206 return self.op_expressions("CLUSTER BY", expression) -1207 -1208 def distribute_sql(self, expression: exp.Distribute) -> str: -1209 return self.op_expressions("DISTRIBUTE BY", expression) -1210 -1211 def sort_sql(self, expression: exp.Sort) -> str: -1212 return self.op_expressions("SORT BY", expression) -1213 -1214 def ordered_sql(self, expression: exp.Ordered) -> str: -1215 desc = expression.args.get("desc") -1216 asc = not desc +1098 groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",") +1099 +1100 if expression.args.get("expressions") and groupings: +1101 group_by = f"{group_by}," +1102 +1103 return f"{group_by}{groupings}" +1104 +1105 def having_sql(self, expression: exp.Having) -> str: +1106 this = self.indent(self.sql(expression, "this")) +1107 return f"{self.seg('HAVING')}{self.sep()}{this}" +1108 +1109 def join_sql(self, expression: exp.Join) -> str: +1110 op_sql = self.seg( +1111 " ".join( +1112 op +1113 for op in ( +1114 "NATURAL" if expression.args.get("natural") else None, +1115 expression.side, +1116 expression.kind, +1117 "JOIN", +1118 ) +1119 if op +1120 ) +1121 ) +1122 on_sql = self.sql(expression, "on") +1123 using = expression.args.get("using") +1124 +1125 if not on_sql and using: +1126 on_sql = csv(*(self.sql(column) for column in using)) +1127 +1128 if on_sql: +1129 on_sql = self.indent(on_sql, skip_first=True) +1130 space = self.seg(" " * self.pad) if self.pretty else " " +1131 if using: +1132 on_sql = f"{space}USING ({on_sql})" +1133 else: +1134 on_sql = f"{space}ON {on_sql}" +1135 +1136 expression_sql = self.sql(expression, "expression") +1137 this_sql = self.sql(expression, "this") +1138 return f"{expression_sql}{op_sql} {this_sql}{on_sql}" +1139 +1140 def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str: +1141 args = self.expressions(expression, flat=True) +1142 args = f"({args})" if len(args.split(",")) > 1 else args +1143 return f"{args} {arrow_sep} {self.sql(expression, 'this')}" +1144 +1145 def lateral_sql(self, expression: exp.Lateral) -> str: +1146 this = self.sql(expression, "this") +1147 +1148 if isinstance(expression.this, exp.Subquery): +1149 return f"LATERAL {this}" +1150 +1151 if expression.args.get("view"): +1152 alias = expression.args["alias"] +1153 columns = self.expressions(alias, key="columns", flat=True) +1154 table = f" {alias.name}" if alias.name else "" +1155 columns = f" AS {columns}" if columns else "" +1156 op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}") +1157 return f"{op_sql}{self.sep()}{this}{table}{columns}" +1158 +1159 alias = self.sql(expression, "alias") +1160 alias = f" AS {alias}" if alias else "" +1161 return f"LATERAL {this}{alias}" +1162 +1163 def limit_sql(self, expression: exp.Limit) -> str: +1164 this = self.sql(expression, "this") +1165 return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}" +1166 +1167 def offset_sql(self, expression: exp.Offset) -> str: +1168 this = self.sql(expression, "this") +1169 return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}" +1170 +1171 def lock_sql(self, expression: exp.Lock) -> str: +1172 if self.LOCKING_READS_SUPPORTED: +1173 lock_type = "UPDATE" if expression.args["update"] else "SHARE" +1174 return self.seg(f"FOR {lock_type}") +1175 +1176 self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported") +1177 return "" +1178 +1179 def literal_sql(self, expression: exp.Literal) -> str: +1180 text = expression.this or "" +1181 if expression.is_string: +1182 text = text.replace(self.quote_end, self._escaped_quote_end) +1183 if self.pretty: +1184 text = text.replace("\n", self.SENTINEL_LINE_BREAK) +1185 text = f"{self.quote_start}{text}{self.quote_end}" +1186 return text +1187 +1188 def loaddata_sql(self, expression: exp.LoadData) -> str: +1189 local = " LOCAL" if expression.args.get("local") else "" +1190 inpath = f" INPATH {self.sql(expression, 'inpath')}" +1191 overwrite = " OVERWRITE" if expression.args.get("overwrite") else "" +1192 this = f" INTO TABLE {self.sql(expression, 'this')}" +1193 partition = self.sql(expression, "partition") +1194 partition = f" {partition}" if partition else "" +1195 input_format = self.sql(expression, "input_format") +1196 input_format = f" INPUTFORMAT {input_format}" if input_format else "" +1197 serde = self.sql(expression, "serde") +1198 serde = f" SERDE {serde}" if serde else "" +1199 return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}" +1200 +1201 def null_sql(self, *_) -> str: +1202 return "NULL" +1203 +1204 def boolean_sql(self, expression: exp.Boolean) -> str: +1205 return "TRUE" if expression.this else "FALSE" +1206 +1207 def order_sql(self, expression: exp.Order, flat: bool = False) -> str: +1208 this = self.sql(expression, "this") +1209 this = f"{this} " if this else this +1210 return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat) # type: ignore +1211 +1212 def cluster_sql(self, expression: exp.Cluster) -> str: +1213 return self.op_expressions("CLUSTER BY", expression) +1214 +1215 def distribute_sql(self, expression: exp.Distribute) -> str: +1216 return self.op_expressions("DISTRIBUTE BY", expression) 1217 -1218 nulls_first = expression.args.get("nulls_first") -1219 nulls_last = not nulls_first -1220 nulls_are_large = self.null_ordering == "nulls_are_large" -1221 nulls_are_small = self.null_ordering == "nulls_are_small" -1222 nulls_are_last = self.null_ordering == "nulls_are_last" -1223 -1224 sort_order = " DESC" if desc else "" -1225 nulls_sort_change = "" -1226 if nulls_first and ( -1227 (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last -1228 ): -1229 nulls_sort_change = " NULLS FIRST" -1230 elif ( -1231 nulls_last -1232 and ((asc and nulls_are_small) or (desc and nulls_are_large)) -1233 and not nulls_are_last -1234 ): -1235 nulls_sort_change = " NULLS LAST" -1236 -1237 if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED: -1238 self.unsupported( -1239 "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect" -1240 ) -1241 nulls_sort_change = "" -1242 -1243 return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}" -1244 -1245 def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str: -1246 partition = self.partition_by_sql(expression) -1247 order = self.sql(expression, "order") -1248 measures = self.sql(expression, "measures") -1249 measures = self.seg(f"MEASURES {measures}") if measures else "" -1250 rows = self.sql(expression, "rows") -1251 rows = self.seg(rows) if rows else "" -1252 after = self.sql(expression, "after") -1253 after = self.seg(after) if after else "" -1254 pattern = self.sql(expression, "pattern") -1255 pattern = self.seg(f"PATTERN ({pattern})") if pattern else "" -1256 define = self.sql(expression, "define") -1257 define = self.seg(f"DEFINE {define}") if define else "" -1258 body = "".join( -1259 ( -1260 partition, -1261 order, -1262 measures, -1263 rows, -1264 after, -1265 pattern, -1266 define, -1267 ) -1268 ) -1269 return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}" -1270 -1271 def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str: -1272 return csv( -1273 *sqls, -1274 *[self.sql(sql) for sql in expression.args.get("joins") or []], -1275 self.sql(expression, "match"), -1276 *[self.sql(sql) for sql in expression.args.get("laterals") or []], -1277 self.sql(expression, "where"), -1278 self.sql(expression, "group"), -1279 self.sql(expression, "having"), -1280 self.sql(expression, "qualify"), -1281 self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True) -1282 if expression.args.get("windows") -1283 else "", -1284 self.sql(expression, "distribute"), -1285 self.sql(expression, "sort"), -1286 self.sql(expression, "cluster"), -1287 self.sql(expression, "order"), -1288 self.sql(expression, "limit"), -1289 self.sql(expression, "offset"), -1290 self.sql(expression, "lock"), -1291 sep="", -1292 ) -1293 -1294 def select_sql(self, expression: exp.Select) -> str: -1295 hint = self.sql(expression, "hint") -1296 distinct = self.sql(expression, "distinct") -1297 distinct = f" {distinct}" if distinct else "" -1298 expressions = self.expressions(expression) -1299 expressions = f"{self.sep()}{expressions}" if expressions else expressions -1300 sql = self.query_modifiers( -1301 expression, -1302 f"SELECT{hint}{distinct}{expressions}", -1303 self.sql(expression, "into", comment=False), -1304 self.sql(expression, "from", comment=False), -1305 ) -1306 return self.prepend_ctes(expression, sql) -1307 -1308 def schema_sql(self, expression: exp.Schema) -> str: -1309 this = self.sql(expression, "this") -1310 this = f"{this} " if this else "" -1311 sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}" -1312 return f"{this}{sql}" -1313 -1314 def star_sql(self, expression: exp.Star) -> str: -1315 except_ = self.expressions(expression, key="except", flat=True) -1316 except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else "" -1317 replace = self.expressions(expression, key="replace", flat=True) -1318 replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else "" -1319 return f"*{except_}{replace}" +1218 def sort_sql(self, expression: exp.Sort) -> str: +1219 return self.op_expressions("SORT BY", expression) +1220 +1221 def ordered_sql(self, expression: exp.Ordered) -> str: +1222 desc = expression.args.get("desc") +1223 asc = not desc +1224 +1225 nulls_first = expression.args.get("nulls_first") +1226 nulls_last = not nulls_first +1227 nulls_are_large = self.null_ordering == "nulls_are_large" +1228 nulls_are_small = self.null_ordering == "nulls_are_small" +1229 nulls_are_last = self.null_ordering == "nulls_are_last" +1230 +1231 sort_order = " DESC" if desc else "" +1232 nulls_sort_change = "" +1233 if nulls_first and ( +1234 (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last +1235 ): +1236 nulls_sort_change = " NULLS FIRST" +1237 elif ( +1238 nulls_last +1239 and ((asc and nulls_are_small) or (desc and nulls_are_large)) +1240 and not nulls_are_last +1241 ): +1242 nulls_sort_change = " NULLS LAST" +1243 +1244 if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED: +1245 self.unsupported( +1246 "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect" +1247 ) +1248 nulls_sort_change = "" +1249 +1250 return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}" +1251 +1252 def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str: +1253 partition = self.partition_by_sql(expression) +1254 order = self.sql(expression, "order") +1255 measures = self.sql(expression, "measures") +1256 measures = self.seg(f"MEASURES {measures}") if measures else "" +1257 rows = self.sql(expression, "rows") +1258 rows = self.seg(rows) if rows else "" +1259 after = self.sql(expression, "after") +1260 after = self.seg(after) if after else "" +1261 pattern = self.sql(expression, "pattern") +1262 pattern = self.seg(f"PATTERN ({pattern})") if pattern else "" +1263 define = self.sql(expression, "define") +1264 define = self.seg(f"DEFINE {define}") if define else "" +1265 body = "".join( +1266 ( +1267 partition, +1268 order, +1269 measures, +1270 rows, +1271 after, +1272 pattern, +1273 define, +1274 ) +1275 ) +1276 return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}" +1277 +1278 def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str: +1279 return csv( +1280 *sqls, +1281 *[self.sql(sql) for sql in expression.args.get("joins") or []], +1282 self.sql(expression, "match"), +1283 *[self.sql(sql) for sql in expression.args.get("laterals") or []], +1284 self.sql(expression, "where"), +1285 self.sql(expression, "group"), +1286 self.sql(expression, "having"), +1287 self.sql(expression, "qualify"), +1288 self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True) +1289 if expression.args.get("windows") +1290 else "", +1291 self.sql(expression, "distribute"), +1292 self.sql(expression, "sort"), +1293 self.sql(expression, "cluster"), +1294 self.sql(expression, "order"), +1295 self.sql(expression, "limit"), +1296 self.sql(expression, "offset"), +1297 self.sql(expression, "lock"), +1298 sep="", +1299 ) +1300 +1301 def select_sql(self, expression: exp.Select) -> str: +1302 hint = self.sql(expression, "hint") +1303 distinct = self.sql(expression, "distinct") +1304 distinct = f" {distinct}" if distinct else "" +1305 expressions = self.expressions(expression) +1306 expressions = f"{self.sep()}{expressions}" if expressions else expressions +1307 sql = self.query_modifiers( +1308 expression, +1309 f"SELECT{hint}{distinct}{expressions}", +1310 self.sql(expression, "into", comment=False), +1311 self.sql(expression, "from", comment=False), +1312 ) +1313 return self.prepend_ctes(expression, sql) +1314 +1315 def schema_sql(self, expression: exp.Schema) -> str: +1316 this = self.sql(expression, "this") +1317 this = f"{this} " if this else "" +1318 sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}" +1319 return f"{this}{sql}" 1320 -1321 def structkwarg_sql(self, expression: exp.StructKwarg) -> str: -1322 return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}" -1323 -1324 def parameter_sql(self, expression: exp.Parameter) -> str: -1325 this = self.sql(expression, "this") -1326 this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}" -1327 return f"{self.PARAMETER_TOKEN}{this}" -1328 -1329 def sessionparameter_sql(self, expression: exp.SessionParameter) -> str: -1330 this = self.sql(expression, "this") -1331 kind = expression.text("kind") -1332 if kind: -1333 kind = f"{kind}." -1334 return f"@@{kind}{this}" +1321 def star_sql(self, expression: exp.Star) -> str: +1322 except_ = self.expressions(expression, key="except", flat=True) +1323 except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else "" +1324 replace = self.expressions(expression, key="replace", flat=True) +1325 replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else "" +1326 return f"*{except_}{replace}" +1327 +1328 def structkwarg_sql(self, expression: exp.StructKwarg) -> str: +1329 return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}" +1330 +1331 def parameter_sql(self, expression: exp.Parameter) -> str: +1332 this = self.sql(expression, "this") +1333 this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}" +1334 return f"{self.PARAMETER_TOKEN}{this}" 1335 -1336 def placeholder_sql(self, expression: exp.Placeholder) -> str: -1337 return f":{expression.name}" if expression.name else "?" -1338 -1339 def subquery_sql(self, expression: exp.Subquery) -> str: -1340 alias = self.sql(expression, "alias") -1341 -1342 sql = self.query_modifiers( -1343 expression, -1344 self.wrap(expression), -1345 self.expressions(expression, key="pivots", sep=" "), -1346 f" AS {alias}" if alias else "", -1347 ) -1348 -1349 return self.prepend_ctes(expression, sql) -1350 -1351 def qualify_sql(self, expression: exp.Qualify) -> str: -1352 this = self.indent(self.sql(expression, "this")) -1353 return f"{self.seg('QUALIFY')}{self.sep()}{this}" -1354 -1355 def union_sql(self, expression: exp.Union) -> str: -1356 return self.prepend_ctes( -1357 expression, -1358 self.set_operation(expression, self.union_op(expression)), -1359 ) -1360 -1361 def union_op(self, expression: exp.Union) -> str: -1362 kind = " DISTINCT" if self.EXPLICIT_UNION else "" -1363 kind = kind if expression.args.get("distinct") else " ALL" -1364 return f"UNION{kind}" -1365 -1366 def unnest_sql(self, expression: exp.Unnest) -> str: -1367 args = self.expressions(expression, flat=True) -1368 alias = expression.args.get("alias") -1369 if alias and self.unnest_column_only: -1370 columns = alias.columns -1371 alias = self.sql(columns[0]) if columns else "" -1372 else: -1373 alias = self.sql(expression, "alias") -1374 alias = f" AS {alias}" if alias else alias -1375 ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else "" -1376 offset = expression.args.get("offset") -1377 offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else "" -1378 return f"UNNEST({args}){ordinality}{alias}{offset}" -1379 -1380 def where_sql(self, expression: exp.Where) -> str: -1381 this = self.indent(self.sql(expression, "this")) -1382 return f"{self.seg('WHERE')}{self.sep()}{this}" -1383 -1384 def window_sql(self, expression: exp.Window) -> str: -1385 this = self.sql(expression, "this") -1386 -1387 partition = self.partition_by_sql(expression) -1388 -1389 order = expression.args.get("order") -1390 order_sql = self.order_sql(order, flat=True) if order else "" +1336 def sessionparameter_sql(self, expression: exp.SessionParameter) -> str: +1337 this = self.sql(expression, "this") +1338 kind = expression.text("kind") +1339 if kind: +1340 kind = f"{kind}." +1341 return f"@@{kind}{this}" +1342 +1343 def placeholder_sql(self, expression: exp.Placeholder) -> str: +1344 return f":{expression.name}" if expression.name else "?" +1345 +1346 def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str: +1347 alias = self.sql(expression, "alias") +1348 alias = f"{sep}{alias}" if alias else "" +1349 +1350 sql = self.query_modifiers( +1351 expression, +1352 self.wrap(expression), +1353 self.expressions(expression, key="pivots", sep=" "), +1354 alias, +1355 ) +1356 +1357 return self.prepend_ctes(expression, sql) +1358 +1359 def qualify_sql(self, expression: exp.Qualify) -> str: +1360 this = self.indent(self.sql(expression, "this")) +1361 return f"{self.seg('QUALIFY')}{self.sep()}{this}" +1362 +1363 def union_sql(self, expression: exp.Union) -> str: +1364 return self.prepend_ctes( +1365 expression, +1366 self.set_operation(expression, self.union_op(expression)), +1367 ) +1368 +1369 def union_op(self, expression: exp.Union) -> str: +1370 kind = " DISTINCT" if self.EXPLICIT_UNION else "" +1371 kind = kind if expression.args.get("distinct") else " ALL" +1372 return f"UNION{kind}" +1373 +1374 def unnest_sql(self, expression: exp.Unnest) -> str: +1375 args = self.expressions(expression, flat=True) +1376 alias = expression.args.get("alias") +1377 if alias and self.unnest_column_only: +1378 columns = alias.columns +1379 alias = self.sql(columns[0]) if columns else "" +1380 else: +1381 alias = self.sql(expression, "alias") +1382 alias = f" AS {alias}" if alias else alias +1383 ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else "" +1384 offset = expression.args.get("offset") +1385 offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else "" +1386 return f"UNNEST({args}){ordinality}{alias}{offset}" +1387 +1388 def where_sql(self, expression: exp.Where) -> str: +1389 this = self.indent(self.sql(expression, "this")) +1390 return f"{self.seg('WHERE')}{self.sep()}{this}" 1391 -1392 partition_sql = partition + " " if partition and order else partition -1393 -1394 spec = expression.args.get("spec") -1395 spec_sql = " " + self.window_spec_sql(spec) if spec else "" +1392 def window_sql(self, expression: exp.Window) -> str: +1393 this = self.sql(expression, "this") +1394 +1395 partition = self.partition_by_sql(expression) 1396 -1397 alias = self.sql(expression, "alias") -1398 this = f"{this} {'AS' if expression.arg_key == 'windows' else 'OVER'}" +1397 order = expression.args.get("order") +1398 order_sql = self.order_sql(order, flat=True) if order else "" 1399 -1400 if not partition and not order and not spec and alias: -1401 return f"{this} {alias}" -1402 -1403 window_args = alias + partition_sql + order_sql + spec_sql +1400 partition_sql = partition + " " if partition and order else partition +1401 +1402 spec = expression.args.get("spec") +1403 spec_sql = " " + self.window_spec_sql(spec) if spec else "" 1404 -1405 return f"{this} ({window_args.strip()})" -1406 -1407 def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str: -1408 partition = self.expressions(expression, key="partition_by", flat=True) -1409 return f"PARTITION BY {partition}" if partition else "" +1405 alias = self.sql(expression, "alias") +1406 this = f"{this} {'AS' if expression.arg_key == 'windows' else 'OVER'}" +1407 +1408 if not partition and not order and not spec and alias: +1409 return f"{this} {alias}" 1410 -1411 def window_spec_sql(self, expression: exp.WindowSpec) -> str: -1412 kind = self.sql(expression, "kind") -1413 start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ") -1414 end = ( -1415 csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ") -1416 or "CURRENT ROW" -1417 ) -1418 return f"{kind} BETWEEN {start} AND {end}" -1419 -1420 def withingroup_sql(self, expression: exp.WithinGroup) -> str: -1421 this = self.sql(expression, "this") -1422 expression_sql = self.sql(expression, "expression")[1:] # order has a leading space -1423 return f"{this} WITHIN GROUP ({expression_sql})" -1424 -1425 def between_sql(self, expression: exp.Between) -> str: -1426 this = self.sql(expression, "this") -1427 low = self.sql(expression, "low") -1428 high = self.sql(expression, "high") -1429 return f"{this} BETWEEN {low} AND {high}" -1430 -1431 def bracket_sql(self, expression: exp.Bracket) -> str: -1432 expressions = apply_index_offset(expression.expressions, self.index_offset) -1433 expressions_sql = ", ".join(self.sql(e) for e in expressions) -1434 -1435 return f"{self.sql(expression, 'this')}[{expressions_sql}]" -1436 -1437 def all_sql(self, expression: exp.All) -> str: -1438 return f"ALL {self.wrap(expression)}" -1439 -1440 def any_sql(self, expression: exp.Any) -> str: -1441 this = self.sql(expression, "this") -1442 if isinstance(expression.this, exp.Subqueryable): -1443 this = self.wrap(this) -1444 return f"ANY {this}" -1445 -1446 def exists_sql(self, expression: exp.Exists) -> str: -1447 return f"EXISTS{self.wrap(expression)}" -1448 -1449 def case_sql(self, expression: exp.Case) -> str: -1450 this = self.sql(expression, "this") -1451 statements = [f"CASE {this}" if this else "CASE"] -1452 -1453 for e in expression.args["ifs"]: -1454 statements.append(f"WHEN {self.sql(e, 'this')}") -1455 statements.append(f"THEN {self.sql(e, 'true')}") +1411 window_args = alias + partition_sql + order_sql + spec_sql +1412 +1413 return f"{this} ({window_args.strip()})" +1414 +1415 def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str: +1416 partition = self.expressions(expression, key="partition_by", flat=True) +1417 return f"PARTITION BY {partition}" if partition else "" +1418 +1419 def window_spec_sql(self, expression: exp.WindowSpec) -> str: +1420 kind = self.sql(expression, "kind") +1421 start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ") +1422 end = ( +1423 csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ") +1424 or "CURRENT ROW" +1425 ) +1426 return f"{kind} BETWEEN {start} AND {end}" +1427 +1428 def withingroup_sql(self, expression: exp.WithinGroup) -> str: +1429 this = self.sql(expression, "this") +1430 expression_sql = self.sql(expression, "expression")[1:] # order has a leading space +1431 return f"{this} WITHIN GROUP ({expression_sql})" +1432 +1433 def between_sql(self, expression: exp.Between) -> str: +1434 this = self.sql(expression, "this") +1435 low = self.sql(expression, "low") +1436 high = self.sql(expression, "high") +1437 return f"{this} BETWEEN {low} AND {high}" +1438 +1439 def bracket_sql(self, expression: exp.Bracket) -> str: +1440 expressions = apply_index_offset(expression.expressions, self.index_offset) +1441 expressions_sql = ", ".join(self.sql(e) for e in expressions) +1442 +1443 return f"{self.sql(expression, 'this')}[{expressions_sql}]" +1444 +1445 def all_sql(self, expression: exp.All) -> str: +1446 return f"ALL {self.wrap(expression)}" +1447 +1448 def any_sql(self, expression: exp.Any) -> str: +1449 this = self.sql(expression, "this") +1450 if isinstance(expression.this, exp.Subqueryable): +1451 this = self.wrap(this) +1452 return f"ANY {this}" +1453 +1454 def exists_sql(self, expression: exp.Exists) -> str: +1455 return f"EXISTS{self.wrap(expression)}" 1456 -1457 default = self.sql(expression, "default") -1458 -1459 if default: -1460 statements.append(f"ELSE {default}") -1461 -1462 statements.append("END") -1463 -1464 if self.pretty and self.text_width(statements) > self._max_text_width: -1465 return self.indent("\n".join(statements), skip_first=True, skip_last=True) +1457 def case_sql(self, expression: exp.Case) -> str: +1458 this = self.sql(expression, "this") +1459 statements = [f"CASE {this}" if this else "CASE"] +1460 +1461 for e in expression.args["ifs"]: +1462 statements.append(f"WHEN {self.sql(e, 'this')}") +1463 statements.append(f"THEN {self.sql(e, 'true')}") +1464 +1465 default = self.sql(expression, "default") 1466 -1467 return " ".join(statements) -1468 -1469 def constraint_sql(self, expression: exp.Constraint) -> str: -1470 this = self.sql(expression, "this") -1471 expressions = self.expressions(expression, flat=True) -1472 return f"CONSTRAINT {this} {expressions}" -1473 -1474 def extract_sql(self, expression: exp.Extract) -> str: -1475 this = self.sql(expression, "this") -1476 expression_sql = self.sql(expression, "expression") -1477 return f"EXTRACT({this} FROM {expression_sql})" -1478 -1479 def trim_sql(self, expression: exp.Trim) -> str: -1480 trim_type = self.sql(expression, "position") +1467 if default: +1468 statements.append(f"ELSE {default}") +1469 +1470 statements.append("END") +1471 +1472 if self.pretty and self.text_width(statements) > self._max_text_width: +1473 return self.indent("\n".join(statements), skip_first=True, skip_last=True) +1474 +1475 return " ".join(statements) +1476 +1477 def constraint_sql(self, expression: exp.Constraint) -> str: +1478 this = self.sql(expression, "this") +1479 expressions = self.expressions(expression, flat=True) +1480 return f"CONSTRAINT {this} {expressions}" 1481 -1482 if trim_type == "LEADING": -1483 return self.func("LTRIM", expression.this) -1484 elif trim_type == "TRAILING": -1485 return self.func("RTRIM", expression.this) -1486 else: -1487 return self.func("TRIM", expression.this, expression.expression) -1488 -1489 def concat_sql(self, expression: exp.Concat) -> str: -1490 if len(expression.expressions) == 1: -1491 return self.sql(expression.expressions[0]) -1492 return self.function_fallback_sql(expression) -1493 -1494 def check_sql(self, expression: exp.Check) -> str: -1495 this = self.sql(expression, key="this") -1496 return f"CHECK ({this})" -1497 -1498 def foreignkey_sql(self, expression: exp.ForeignKey) -> str: -1499 expressions = self.expressions(expression, flat=True) -1500 reference = self.sql(expression, "reference") -1501 reference = f" {reference}" if reference else "" -1502 delete = self.sql(expression, "delete") -1503 delete = f" ON DELETE {delete}" if delete else "" -1504 update = self.sql(expression, "update") -1505 update = f" ON UPDATE {update}" if update else "" -1506 return f"FOREIGN KEY ({expressions}){reference}{delete}{update}" -1507 -1508 def primarykey_sql(self, expression: exp.ForeignKey) -> str: -1509 expressions = self.expressions(expression, flat=True) -1510 options = self.expressions(expression, "options", flat=True, sep=" ") -1511 options = f" {options}" if options else "" -1512 return f"PRIMARY KEY ({expressions}){options}" -1513 -1514 def unique_sql(self, expression: exp.Unique) -> str: -1515 columns = self.expressions(expression, key="expressions") -1516 return f"UNIQUE ({columns})" -1517 -1518 def if_sql(self, expression: exp.If) -> str: -1519 return self.case_sql( -1520 exp.Case(ifs=[expression.copy()], default=expression.args.get("false")) -1521 ) -1522 -1523 def in_sql(self, expression: exp.In) -> str: -1524 query = expression.args.get("query") -1525 unnest = expression.args.get("unnest") -1526 field = expression.args.get("field") -1527 is_global = " GLOBAL" if expression.args.get("is_global") else "" -1528 -1529 if query: -1530 in_sql = self.wrap(query) -1531 elif unnest: -1532 in_sql = self.in_unnest_op(unnest) -1533 elif field: -1534 in_sql = self.sql(field) -1535 else: -1536 in_sql = f"({self.expressions(expression, flat=True)})" -1537 -1538 return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}" -1539 -1540 def in_unnest_op(self, unnest: exp.Unnest) -> str: -1541 return f"(SELECT {self.sql(unnest)})" -1542 -1543 def interval_sql(self, expression: exp.Interval) -> str: -1544 this = expression.args.get("this") -1545 if this: -1546 this = ( -1547 f" {this}" -1548 if isinstance(this, exp.Literal) or isinstance(this, exp.Paren) -1549 else f" ({this})" -1550 ) -1551 else: -1552 this = "" -1553 unit = expression.args.get("unit") -1554 unit = f" {unit}" if unit else "" -1555 return f"INTERVAL{this}{unit}" -1556 -1557 def return_sql(self, expression: exp.Return) -> str: -1558 return f"RETURN {self.sql(expression, 'this')}" -1559 -1560 def reference_sql(self, expression: exp.Reference) -> str: -1561 this = self.sql(expression, "this") -1562 expressions = self.expressions(expression, flat=True) -1563 expressions = f"({expressions})" if expressions else "" -1564 options = self.expressions(expression, "options", flat=True, sep=" ") -1565 options = f" {options}" if options else "" -1566 return f"REFERENCES {this}{expressions}{options}" +1482 def extract_sql(self, expression: exp.Extract) -> str: +1483 this = self.sql(expression, "this") +1484 expression_sql = self.sql(expression, "expression") +1485 return f"EXTRACT({this} FROM {expression_sql})" +1486 +1487 def trim_sql(self, expression: exp.Trim) -> str: +1488 trim_type = self.sql(expression, "position") +1489 +1490 if trim_type == "LEADING": +1491 return self.func("LTRIM", expression.this) +1492 elif trim_type == "TRAILING": +1493 return self.func("RTRIM", expression.this) +1494 else: +1495 return self.func("TRIM", expression.this, expression.expression) +1496 +1497 def concat_sql(self, expression: exp.Concat) -> str: +1498 if len(expression.expressions) == 1: +1499 return self.sql(expression.expressions[0]) +1500 return self.function_fallback_sql(expression) +1501 +1502 def check_sql(self, expression: exp.Check) -> str: +1503 this = self.sql(expression, key="this") +1504 return f"CHECK ({this})" +1505 +1506 def foreignkey_sql(self, expression: exp.ForeignKey) -> str: +1507 expressions = self.expressions(expression, flat=True) +1508 reference = self.sql(expression, "reference") +1509 reference = f" {reference}" if reference else "" +1510 delete = self.sql(expression, "delete") +1511 delete = f" ON DELETE {delete}" if delete else "" +1512 update = self.sql(expression, "update") +1513 update = f" ON UPDATE {update}" if update else "" +1514 return f"FOREIGN KEY ({expressions}){reference}{delete}{update}" +1515 +1516 def primarykey_sql(self, expression: exp.ForeignKey) -> str: +1517 expressions = self.expressions(expression, flat=True) +1518 options = self.expressions(expression, "options", flat=True, sep=" ") +1519 options = f" {options}" if options else "" +1520 return f"PRIMARY KEY ({expressions}){options}" +1521 +1522 def unique_sql(self, expression: exp.Unique) -> str: +1523 columns = self.expressions(expression, key="expressions") +1524 return f"UNIQUE ({columns})" +1525 +1526 def if_sql(self, expression: exp.If) -> str: +1527 return self.case_sql( +1528 exp.Case(ifs=[expression.copy()], default=expression.args.get("false")) +1529 ) +1530 +1531 def in_sql(self, expression: exp.In) -> str: +1532 query = expression.args.get("query") +1533 unnest = expression.args.get("unnest") +1534 field = expression.args.get("field") +1535 is_global = " GLOBAL" if expression.args.get("is_global") else "" +1536 +1537 if query: +1538 in_sql = self.wrap(query) +1539 elif unnest: +1540 in_sql = self.in_unnest_op(unnest) +1541 elif field: +1542 in_sql = self.sql(field) +1543 else: +1544 in_sql = f"({self.expressions(expression, flat=True)})" +1545 +1546 return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}" +1547 +1548 def in_unnest_op(self, unnest: exp.Unnest) -> str: +1549 return f"(SELECT {self.sql(unnest)})" +1550 +1551 def interval_sql(self, expression: exp.Interval) -> str: +1552 this = expression.args.get("this") +1553 if this: +1554 this = ( +1555 f" {this}" +1556 if isinstance(this, exp.Literal) or isinstance(this, exp.Paren) +1557 else f" ({this})" +1558 ) +1559 else: +1560 this = "" +1561 unit = expression.args.get("unit") +1562 unit = f" {unit}" if unit else "" +1563 return f"INTERVAL{this}{unit}" +1564 +1565 def return_sql(self, expression: exp.Return) -> str: +1566 return f"RETURN {self.sql(expression, 'this')}" 1567 -1568 def anonymous_sql(self, expression: exp.Anonymous) -> str: -1569 return self.func(expression.name, *expression.expressions) -1570 -1571 def paren_sql(self, expression: exp.Paren) -> str: -1572 if isinstance(expression.unnest(), exp.Select): -1573 sql = self.wrap(expression) -1574 else: -1575 sql = self.seg(self.indent(self.sql(expression, "this")), sep="") -1576 sql = f"({sql}{self.seg(')', sep='')}" -1577 -1578 return self.prepend_ctes(expression, sql) -1579 -1580 def neg_sql(self, expression: exp.Neg) -> str: -1581 # This makes sure we don't convert "- - 5" to "--5", which is a comment -1582 this_sql = self.sql(expression, "this") -1583 sep = " " if this_sql[0] == "-" else "" -1584 return f"-{sep}{this_sql}" +1568 def reference_sql(self, expression: exp.Reference) -> str: +1569 this = self.sql(expression, "this") +1570 expressions = self.expressions(expression, flat=True) +1571 expressions = f"({expressions})" if expressions else "" +1572 options = self.expressions(expression, "options", flat=True, sep=" ") +1573 options = f" {options}" if options else "" +1574 return f"REFERENCES {this}{expressions}{options}" +1575 +1576 def anonymous_sql(self, expression: exp.Anonymous) -> str: +1577 return self.func(expression.name, *expression.expressions) +1578 +1579 def paren_sql(self, expression: exp.Paren) -> str: +1580 if isinstance(expression.unnest(), exp.Select): +1581 sql = self.wrap(expression) +1582 else: +1583 sql = self.seg(self.indent(self.sql(expression, "this")), sep="") +1584 sql = f"({sql}{self.seg(')', sep='')}" 1585 -1586 def not_sql(self, expression: exp.Not) -> str: -1587 return f"NOT {self.sql(expression, 'this')}" -1588 -1589 def alias_sql(self, expression: exp.Alias) -> str: -1590 to_sql = self.sql(expression, "alias") -1591 to_sql = f" AS {to_sql}" if to_sql else "" -1592 return f"{self.sql(expression, 'this')}{to_sql}" +1586 return self.prepend_ctes(expression, sql) +1587 +1588 def neg_sql(self, expression: exp.Neg) -> str: +1589 # This makes sure we don't convert "- - 5" to "--5", which is a comment +1590 this_sql = self.sql(expression, "this") +1591 sep = " " if this_sql[0] == "-" else "" +1592 return f"-{sep}{this_sql}" 1593 -1594 def aliases_sql(self, expression: exp.Aliases) -> str: -1595 return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})" +1594 def not_sql(self, expression: exp.Not) -> str: +1595 return f"NOT {self.sql(expression, 'this')}" 1596 -1597 def attimezone_sql(self, expression: exp.AtTimeZone) -> str: -1598 this = self.sql(expression, "this") -1599 zone = self.sql(expression, "zone") -1600 return f"{this} AT TIME ZONE {zone}" +1597 def alias_sql(self, expression: exp.Alias) -> str: +1598 to_sql = self.sql(expression, "alias") +1599 to_sql = f" AS {to_sql}" if to_sql else "" +1600 return f"{self.sql(expression, 'this')}{to_sql}" 1601 -1602 def add_sql(self, expression: exp.Add) -> str: -1603 return self.binary(expression, "+") +1602 def aliases_sql(self, expression: exp.Aliases) -> str: +1603 return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})" 1604 -1605 def and_sql(self, expression: exp.And) -> str: -1606 return self.connector_sql(expression, "AND") -1607 -1608 def connector_sql(self, expression: exp.Connector, op: str) -> str: -1609 if not self.pretty: -1610 return self.binary(expression, op) -1611 -1612 sqls = tuple(self.sql(e) for e in expression.flatten(unnest=False)) -1613 sep = "\n" if self.text_width(sqls) > self._max_text_width else " " -1614 return f"{sep}{op} ".join(sqls) +1605 def attimezone_sql(self, expression: exp.AtTimeZone) -> str: +1606 this = self.sql(expression, "this") +1607 zone = self.sql(expression, "zone") +1608 return f"{this} AT TIME ZONE {zone}" +1609 +1610 def add_sql(self, expression: exp.Add) -> str: +1611 return self.binary(expression, "+") +1612 +1613 def and_sql(self, expression: exp.And) -> str: +1614 return self.connector_sql(expression, "AND") 1615 -1616 def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str: -1617 return self.binary(expression, "&") -1618 -1619 def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str: -1620 return self.binary(expression, "<<") -1621 -1622 def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str: -1623 return f"~{self.sql(expression, 'this')}" -1624 -1625 def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str: -1626 return self.binary(expression, "|") -1627 -1628 def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str: -1629 return self.binary(expression, ">>") -1630 -1631 def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str: -1632 return self.binary(expression, "^") -1633 -1634 def cast_sql(self, expression: exp.Cast) -> str: -1635 return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})" -1636 -1637 def currentdate_sql(self, expression: exp.CurrentDate) -> str: -1638 zone = self.sql(expression, "this") -1639 return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE" -1640 -1641 def collate_sql(self, expression: exp.Collate) -> str: -1642 return self.binary(expression, "COLLATE") -1643 -1644 def command_sql(self, expression: exp.Command) -> str: -1645 return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}" -1646 -1647 def transaction_sql(self, *_) -> str: -1648 return "BEGIN" -1649 -1650 def commit_sql(self, expression: exp.Commit) -> str: -1651 chain = expression.args.get("chain") -1652 if chain is not None: -1653 chain = " AND CHAIN" if chain else " AND NO CHAIN" +1616 def connector_sql(self, expression: exp.Connector, op: str) -> str: +1617 if not self.pretty: +1618 return self.binary(expression, op) +1619 +1620 sqls = tuple(self.sql(e) for e in expression.flatten(unnest=False)) +1621 sep = "\n" if self.text_width(sqls) > self._max_text_width else " " +1622 return f"{sep}{op} ".join(sqls) +1623 +1624 def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str: +1625 return self.binary(expression, "&") +1626 +1627 def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str: +1628 return self.binary(expression, "<<") +1629 +1630 def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str: +1631 return f"~{self.sql(expression, 'this')}" +1632 +1633 def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str: +1634 return self.binary(expression, "|") +1635 +1636 def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str: +1637 return self.binary(expression, ">>") +1638 +1639 def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str: +1640 return self.binary(expression, "^") +1641 +1642 def cast_sql(self, expression: exp.Cast) -> str: +1643 return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})" +1644 +1645 def currentdate_sql(self, expression: exp.CurrentDate) -> str: +1646 zone = self.sql(expression, "this") +1647 return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE" +1648 +1649 def collate_sql(self, expression: exp.Collate) -> str: +1650 return self.binary(expression, "COLLATE") +1651 +1652 def command_sql(self, expression: exp.Command) -> str: +1653 return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}" 1654 -1655 return f"COMMIT{chain or ''}" -1656 -1657 def rollback_sql(self, expression: exp.Rollback) -> str: -1658 savepoint = expression.args.get("savepoint") -1659 savepoint = f" TO {savepoint}" if savepoint else "" -1660 return f"ROLLBACK{savepoint}" +1655 def comment_sql(self, expression: exp.Comment) -> str: +1656 this = self.sql(expression, "this") +1657 kind = expression.args["kind"] +1658 exists_sql = " IF EXISTS " if expression.args.get("exists") else " " +1659 expression_sql = self.sql(expression, "expression") +1660 return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}" 1661 -1662 def altercolumn_sql(self, expression: exp.AlterColumn) -> str: -1663 this = self.sql(expression, "this") +1662 def transaction_sql(self, *_) -> str: +1663 return "BEGIN" 1664 -1665 dtype = self.sql(expression, "dtype") -1666 if dtype: -1667 collate = self.sql(expression, "collate") -1668 collate = f" COLLATE {collate}" if collate else "" -1669 using = self.sql(expression, "using") -1670 using = f" USING {using}" if using else "" -1671 return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}" -1672 -1673 default = self.sql(expression, "default") -1674 if default: -1675 return f"ALTER COLUMN {this} SET DEFAULT {default}" +1665 def commit_sql(self, expression: exp.Commit) -> str: +1666 chain = expression.args.get("chain") +1667 if chain is not None: +1668 chain = " AND CHAIN" if chain else " AND NO CHAIN" +1669 +1670 return f"COMMIT{chain or ''}" +1671 +1672 def rollback_sql(self, expression: exp.Rollback) -> str: +1673 savepoint = expression.args.get("savepoint") +1674 savepoint = f" TO {savepoint}" if savepoint else "" +1675 return f"ROLLBACK{savepoint}" 1676 -1677 if not expression.args.get("drop"): -1678 self.unsupported("Unsupported ALTER COLUMN syntax") +1677 def altercolumn_sql(self, expression: exp.AlterColumn) -> str: +1678 this = self.sql(expression, "this") 1679 -1680 return f"ALTER COLUMN {this} DROP DEFAULT" -1681 -1682 def renametable_sql(self, expression: exp.RenameTable) -> str: -1683 this = self.sql(expression, "this") -1684 return f"RENAME TO {this}" -1685 -1686 def altertable_sql(self, expression: exp.AlterTable) -> str: -1687 actions = expression.args["actions"] -1688 -1689 if isinstance(actions[0], exp.ColumnDef): -1690 actions = self.expressions(expression, "actions", prefix="ADD COLUMN ") -1691 elif isinstance(actions[0], exp.Schema): -1692 actions = self.expressions(expression, "actions", prefix="ADD COLUMNS ") -1693 elif isinstance(actions[0], exp.Delete): -1694 actions = self.expressions(expression, "actions", flat=True) -1695 else: -1696 actions = self.expressions(expression, "actions") -1697 -1698 exists = " IF EXISTS" if expression.args.get("exists") else "" -1699 return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}" +1680 dtype = self.sql(expression, "dtype") +1681 if dtype: +1682 collate = self.sql(expression, "collate") +1683 collate = f" COLLATE {collate}" if collate else "" +1684 using = self.sql(expression, "using") +1685 using = f" USING {using}" if using else "" +1686 return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}" +1687 +1688 default = self.sql(expression, "default") +1689 if default: +1690 return f"ALTER COLUMN {this} SET DEFAULT {default}" +1691 +1692 if not expression.args.get("drop"): +1693 self.unsupported("Unsupported ALTER COLUMN syntax") +1694 +1695 return f"ALTER COLUMN {this} DROP DEFAULT" +1696 +1697 def renametable_sql(self, expression: exp.RenameTable) -> str: +1698 this = self.sql(expression, "this") +1699 return f"RENAME TO {this}" 1700 -1701 def droppartition_sql(self, expression: exp.DropPartition) -> str: -1702 expressions = self.expressions(expression) -1703 exists = " IF EXISTS " if expression.args.get("exists") else " " -1704 return f"DROP{exists}{expressions}" -1705 -1706 def addconstraint_sql(self, expression: exp.AddConstraint) -> str: -1707 this = self.sql(expression, "this") -1708 expression_ = self.sql(expression, "expression") -1709 add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD" -1710 -1711 enforced = expression.args.get("enforced") -1712 if enforced is not None: -1713 return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}" -1714 -1715 return f"{add_constraint} {expression_}" -1716 -1717 def distinct_sql(self, expression: exp.Distinct) -> str: -1718 this = self.expressions(expression, flat=True) -1719 this = f" {this}" if this else "" +1701 def altertable_sql(self, expression: exp.AlterTable) -> str: +1702 actions = expression.args["actions"] +1703 +1704 if isinstance(actions[0], exp.ColumnDef): +1705 actions = self.expressions(expression, "actions", prefix="ADD COLUMN ") +1706 elif isinstance(actions[0], exp.Schema): +1707 actions = self.expressions(expression, "actions", prefix="ADD COLUMNS ") +1708 elif isinstance(actions[0], exp.Delete): +1709 actions = self.expressions(expression, "actions", flat=True) +1710 else: +1711 actions = self.expressions(expression, "actions") +1712 +1713 exists = " IF EXISTS" if expression.args.get("exists") else "" +1714 return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}" +1715 +1716 def droppartition_sql(self, expression: exp.DropPartition) -> str: +1717 expressions = self.expressions(expression) +1718 exists = " IF EXISTS " if expression.args.get("exists") else " " +1719 return f"DROP{exists}{expressions}" 1720 -1721 on = self.sql(expression, "on") -1722 on = f" ON {on}" if on else "" -1723 return f"DISTINCT{this}{on}" -1724 -1725 def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str: -1726 return f"{self.sql(expression, 'this')} IGNORE NULLS" -1727 -1728 def respectnulls_sql(self, expression: exp.RespectNulls) -> str: -1729 return f"{self.sql(expression, 'this')} RESPECT NULLS" -1730 -1731 def intdiv_sql(self, expression: exp.IntDiv) -> str: -1732 return self.sql( -1733 exp.Cast( -1734 this=exp.Div(this=expression.this, expression=expression.expression), -1735 to=exp.DataType(this=exp.DataType.Type.INT), -1736 ) -1737 ) -1738 -1739 def dpipe_sql(self, expression: exp.DPipe) -> str: -1740 return self.binary(expression, "||") -1741 -1742 def div_sql(self, expression: exp.Div) -> str: -1743 return self.binary(expression, "/") -1744 -1745 def distance_sql(self, expression: exp.Distance) -> str: -1746 return self.binary(expression, "<->") -1747 -1748 def dot_sql(self, expression: exp.Dot) -> str: -1749 return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}" -1750 -1751 def eq_sql(self, expression: exp.EQ) -> str: -1752 return self.binary(expression, "=") +1721 def addconstraint_sql(self, expression: exp.AddConstraint) -> str: +1722 this = self.sql(expression, "this") +1723 expression_ = self.sql(expression, "expression") +1724 add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD" +1725 +1726 enforced = expression.args.get("enforced") +1727 if enforced is not None: +1728 return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}" +1729 +1730 return f"{add_constraint} {expression_}" +1731 +1732 def distinct_sql(self, expression: exp.Distinct) -> str: +1733 this = self.expressions(expression, flat=True) +1734 this = f" {this}" if this else "" +1735 +1736 on = self.sql(expression, "on") +1737 on = f" ON {on}" if on else "" +1738 return f"DISTINCT{this}{on}" +1739 +1740 def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str: +1741 return f"{self.sql(expression, 'this')} IGNORE NULLS" +1742 +1743 def respectnulls_sql(self, expression: exp.RespectNulls) -> str: +1744 return f"{self.sql(expression, 'this')} RESPECT NULLS" +1745 +1746 def intdiv_sql(self, expression: exp.IntDiv) -> str: +1747 return self.sql( +1748 exp.Cast( +1749 this=exp.Div(this=expression.this, expression=expression.expression), +1750 to=exp.DataType(this=exp.DataType.Type.INT), +1751 ) +1752 ) 1753 -1754 def escape_sql(self, expression: exp.Escape) -> str: -1755 return self.binary(expression, "ESCAPE") +1754 def dpipe_sql(self, expression: exp.DPipe) -> str: +1755 return self.binary(expression, "||") 1756 -1757 def glob_sql(self, expression: exp.Glob) -> str: -1758 return self.binary(expression, "GLOB") +1757 def div_sql(self, expression: exp.Div) -> str: +1758 return self.binary(expression, "/") 1759 -1760 def gt_sql(self, expression: exp.GT) -> str: -1761 return self.binary(expression, ">") +1760 def overlaps_sql(self, expression: exp.Overlaps) -> str: +1761 return self.binary(expression, "OVERLAPS") 1762 -1763 def gte_sql(self, expression: exp.GTE) -> str: -1764 return self.binary(expression, ">=") +1763 def distance_sql(self, expression: exp.Distance) -> str: +1764 return self.binary(expression, "<->") 1765 -1766 def ilike_sql(self, expression: exp.ILike) -> str: -1767 return self.binary(expression, "ILIKE") +1766 def dot_sql(self, expression: exp.Dot) -> str: +1767 return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}" 1768 -1769 def is_sql(self, expression: exp.Is) -> str: -1770 return self.binary(expression, "IS") +1769 def eq_sql(self, expression: exp.EQ) -> str: +1770 return self.binary(expression, "=") 1771 -1772 def like_sql(self, expression: exp.Like) -> str: -1773 return self.binary(expression, "LIKE") +1772 def escape_sql(self, expression: exp.Escape) -> str: +1773 return self.binary(expression, "ESCAPE") 1774 -1775 def similarto_sql(self, expression: exp.SimilarTo) -> str: -1776 return self.binary(expression, "SIMILAR TO") +1775 def glob_sql(self, expression: exp.Glob) -> str: +1776 return self.binary(expression, "GLOB") 1777 -1778 def lt_sql(self, expression: exp.LT) -> str: -1779 return self.binary(expression, "<") +1778 def gt_sql(self, expression: exp.GT) -> str: +1779 return self.binary(expression, ">") 1780 -1781 def lte_sql(self, expression: exp.LTE) -> str: -1782 return self.binary(expression, "<=") +1781 def gte_sql(self, expression: exp.GTE) -> str: +1782 return self.binary(expression, ">=") 1783 -1784 def mod_sql(self, expression: exp.Mod) -> str: -1785 return self.binary(expression, "%") +1784 def ilike_sql(self, expression: exp.ILike) -> str: +1785 return self.binary(expression, "ILIKE") 1786 -1787 def mul_sql(self, expression: exp.Mul) -> str: -1788 return self.binary(expression, "*") +1787 def is_sql(self, expression: exp.Is) -> str: +1788 return self.binary(expression, "IS") 1789 -1790 def neq_sql(self, expression: exp.NEQ) -> str: -1791 return self.binary(expression, "<>") +1790 def like_sql(self, expression: exp.Like) -> str: +1791 return self.binary(expression, "LIKE") 1792 -1793 def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str: -1794 return self.binary(expression, "IS NOT DISTINCT FROM") +1793 def similarto_sql(self, expression: exp.SimilarTo) -> str: +1794 return self.binary(expression, "SIMILAR TO") 1795 -1796 def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str: -1797 return self.binary(expression, "IS DISTINCT FROM") +1796 def lt_sql(self, expression: exp.LT) -> str: +1797 return self.binary(expression, "<") 1798 -1799 def or_sql(self, expression: exp.Or) -> str: -1800 return self.connector_sql(expression, "OR") +1799 def lte_sql(self, expression: exp.LTE) -> str: +1800 return self.binary(expression, "<=") 1801 -1802 def slice_sql(self, expression: exp.Slice) -> str: -1803 return self.binary(expression, ":") +1802 def mod_sql(self, expression: exp.Mod) -> str: +1803 return self.binary(expression, "%") 1804 -1805 def sub_sql(self, expression: exp.Sub) -> str: -1806 return self.binary(expression, "-") +1805 def mul_sql(self, expression: exp.Mul) -> str: +1806 return self.binary(expression, "*") 1807 -1808 def trycast_sql(self, expression: exp.TryCast) -> str: -1809 return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})" +1808 def neq_sql(self, expression: exp.NEQ) -> str: +1809 return self.binary(expression, "<>") 1810 -1811 def use_sql(self, expression: exp.Use) -> str: -1812 kind = self.sql(expression, "kind") -1813 kind = f" {kind}" if kind else "" -1814 this = self.sql(expression, "this") -1815 this = f" {this}" if this else "" -1816 return f"USE{kind}{this}" -1817 -1818 def binary(self, expression: exp.Binary, op: str) -> str: -1819 return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}" -1820 -1821 def function_fallback_sql(self, expression: exp.Func) -> str: -1822 args = [] -1823 for arg_value in expression.args.values(): -1824 if isinstance(arg_value, list): -1825 for value in arg_value: -1826 args.append(value) -1827 else: -1828 args.append(arg_value) -1829 -1830 return self.func(expression.sql_name(), *args) -1831 -1832 def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str: -1833 return f"{self.normalize_func(name)}({self.format_args(*args)})" -1834 -1835 def format_args(self, *args: t.Optional[str | exp.Expression]) -> str: -1836 arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None) -1837 if self.pretty and self.text_width(arg_sqls) > self._max_text_width: -1838 return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True) -1839 return ", ".join(arg_sqls) -1840 -1841 def text_width(self, args: t.Iterable) -> int: -1842 return sum(len(arg) for arg in args) -1843 -1844 def format_time(self, expression: exp.Expression) -> t.Optional[str]: -1845 return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie) -1846 -1847 def expressions( -1848 self, -1849 expression: exp.Expression, -1850 key: t.Optional[str] = None, -1851 flat: bool = False, -1852 indent: bool = True, -1853 sep: str = ", ", -1854 prefix: str = "", -1855 ) -> str: -1856 expressions = expression.args.get(key or "expressions") -1857 -1858 if not expressions: -1859 return "" -1860 -1861 if flat: -1862 return sep.join(self.sql(e) for e in expressions) -1863 -1864 num_sqls = len(expressions) -1865 -1866 # These are calculated once in case we have the leading_comma / pretty option set, correspondingly -1867 pad = " " * self.pad -1868 stripped_sep = sep.strip() -1869 -1870 result_sqls = [] -1871 for i, e in enumerate(expressions): -1872 sql = self.sql(e, comment=False) -1873 comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else "" -1874 -1875 if self.pretty: -1876 if self._leading_comma: -1877 result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}") -1878 else: -1879 result_sqls.append( -1880 f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}" -1881 ) -1882 else: -1883 result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}") -1884 -1885 result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls) -1886 return self.indent(result_sql, skip_first=False) if indent else result_sql +1811 def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str: +1812 return self.binary(expression, "IS NOT DISTINCT FROM") +1813 +1814 def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str: +1815 return self.binary(expression, "IS DISTINCT FROM") +1816 +1817 def or_sql(self, expression: exp.Or) -> str: +1818 return self.connector_sql(expression, "OR") +1819 +1820 def slice_sql(self, expression: exp.Slice) -> str: +1821 return self.binary(expression, ":") +1822 +1823 def sub_sql(self, expression: exp.Sub) -> str: +1824 return self.binary(expression, "-") +1825 +1826 def trycast_sql(self, expression: exp.TryCast) -> str: +1827 return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})" +1828 +1829 def use_sql(self, expression: exp.Use) -> str: +1830 kind = self.sql(expression, "kind") +1831 kind = f" {kind}" if kind else "" +1832 this = self.sql(expression, "this") +1833 this = f" {this}" if this else "" +1834 return f"USE{kind}{this}" +1835 +1836 def binary(self, expression: exp.Binary, op: str) -> str: +1837 return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}" +1838 +1839 def function_fallback_sql(self, expression: exp.Func) -> str: +1840 args = [] +1841 for arg_value in expression.args.values(): +1842 if isinstance(arg_value, list): +1843 for value in arg_value: +1844 args.append(value) +1845 else: +1846 args.append(arg_value) +1847 +1848 return self.func(expression.sql_name(), *args) +1849 +1850 def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str: +1851 return f"{self.normalize_func(name)}({self.format_args(*args)})" +1852 +1853 def format_args(self, *args: t.Optional[str | exp.Expression]) -> str: +1854 arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None) +1855 if self.pretty and self.text_width(arg_sqls) > self._max_text_width: +1856 return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True) +1857 return ", ".join(arg_sqls) +1858 +1859 def text_width(self, args: t.Iterable) -> int: +1860 return sum(len(arg) for arg in args) +1861 +1862 def format_time(self, expression: exp.Expression) -> t.Optional[str]: +1863 return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie) +1864 +1865 def expressions( +1866 self, +1867 expression: exp.Expression, +1868 key: t.Optional[str] = None, +1869 flat: bool = False, +1870 indent: bool = True, +1871 sep: str = ", ", +1872 prefix: str = "", +1873 ) -> str: +1874 expressions = expression.args.get(key or "expressions") +1875 +1876 if not expressions: +1877 return "" +1878 +1879 if flat: +1880 return sep.join(self.sql(e) for e in expressions) +1881 +1882 num_sqls = len(expressions) +1883 +1884 # These are calculated once in case we have the leading_comma / pretty option set, correspondingly +1885 pad = " " * self.pad +1886 stripped_sep = sep.strip() 1887 -1888 def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str: -1889 flat = flat or isinstance(expression.parent, exp.Properties) -1890 expressions_sql = self.expressions(expression, flat=flat) -1891 if flat: -1892 return f"{op} {expressions_sql}" -1893 return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}" -1894 -1895 def naked_property(self, expression: exp.Property) -> str: -1896 property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__) -1897 if not property_name: -1898 self.unsupported(f"Unsupported property {expression.__class__.__name__}") -1899 return f"{property_name} {self.sql(expression, 'this')}" -1900 -1901 def set_operation(self, expression: exp.Expression, op: str) -> str: -1902 this = self.sql(expression, "this") -1903 op = self.seg(op) -1904 return self.query_modifiers( -1905 expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}" -1906 ) -1907 -1908 def tag_sql(self, expression: exp.Tag) -> str: -1909 return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}" -1910 -1911 def token_sql(self, token_type: TokenType) -> str: -1912 return self.TOKEN_MAPPING.get(token_type, token_type.name) -1913 -1914 def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str: -1915 this = self.sql(expression, "this") -1916 expressions = self.no_identify(self.expressions, expression) -1917 expressions = ( -1918 self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}" -1919 ) -1920 return f"{this}{expressions}" -1921 -1922 def joinhint_sql(self, expression: exp.JoinHint) -> str: -1923 this = self.sql(expression, "this") -1924 expressions = self.expressions(expression, flat=True) -1925 return f"{this}({expressions})" -1926 -1927 def kwarg_sql(self, expression: exp.Kwarg) -> str: -1928 return self.binary(expression, "=>") -1929 -1930 def when_sql(self, expression: exp.When) -> str: -1931 this = self.sql(expression, "this") -1932 then_expression = expression.args.get("then") -1933 if isinstance(then_expression, exp.Insert): -1934 then = f"INSERT {self.sql(then_expression, 'this')}" -1935 if "expression" in then_expression.args: -1936 then += f" VALUES {self.sql(then_expression, 'expression')}" -1937 elif isinstance(then_expression, exp.Update): -1938 if isinstance(then_expression.args.get("expressions"), exp.Star): -1939 then = f"UPDATE {self.sql(then_expression, 'expressions')}" -1940 else: -1941 then = f"UPDATE SET {self.expressions(then_expression, flat=True)}" -1942 else: -1943 then = self.sql(then_expression) -1944 return f"WHEN {this} THEN {then}" -1945 -1946 def merge_sql(self, expression: exp.Merge) -> str: -1947 this = self.sql(expression, "this") -1948 using = f"USING {self.sql(expression, 'using')}" -1949 on = f"ON {self.sql(expression, 'on')}" -1950 return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}" +1888 result_sqls = [] +1889 for i, e in enumerate(expressions): +1890 sql = self.sql(e, comment=False) +1891 comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else "" +1892 +1893 if self.pretty: +1894 if self._leading_comma: +1895 result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}") +1896 else: +1897 result_sqls.append( +1898 f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}" +1899 ) +1900 else: +1901 result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}") +1902 +1903 result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls) +1904 return self.indent(result_sql, skip_first=False) if indent else result_sql +1905 +1906 def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str: +1907 flat = flat or isinstance(expression.parent, exp.Properties) +1908 expressions_sql = self.expressions(expression, flat=flat) +1909 if flat: +1910 return f"{op} {expressions_sql}" +1911 return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}" +1912 +1913 def naked_property(self, expression: exp.Property) -> str: +1914 property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__) +1915 if not property_name: +1916 self.unsupported(f"Unsupported property {expression.__class__.__name__}") +1917 return f"{property_name} {self.sql(expression, 'this')}" +1918 +1919 def set_operation(self, expression: exp.Expression, op: str) -> str: +1920 this = self.sql(expression, "this") +1921 op = self.seg(op) +1922 return self.query_modifiers( +1923 expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}" +1924 ) +1925 +1926 def tag_sql(self, expression: exp.Tag) -> str: +1927 return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}" +1928 +1929 def token_sql(self, token_type: TokenType) -> str: +1930 return self.TOKEN_MAPPING.get(token_type, token_type.name) +1931 +1932 def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str: +1933 this = self.sql(expression, "this") +1934 expressions = self.no_identify(self.expressions, expression) +1935 expressions = ( +1936 self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}" +1937 ) +1938 return f"{this}{expressions}" +1939 +1940 def joinhint_sql(self, expression: exp.JoinHint) -> str: +1941 this = self.sql(expression, "this") +1942 expressions = self.expressions(expression, flat=True) +1943 return f"{this}({expressions})" +1944 +1945 def kwarg_sql(self, expression: exp.Kwarg) -> str: +1946 return self.binary(expression, "=>") +1947 +1948 def when_sql(self, expression: exp.When) -> str: +1949 this = self.sql(expression, "this") +1950 then_expression = expression.args.get("then") +1951 if isinstance(then_expression, exp.Insert): +1952 then = f"INSERT {self.sql(then_expression, 'this')}" +1953 if "expression" in then_expression.args: +1954 then += f" VALUES {self.sql(then_expression, 'expression')}" +1955 elif isinstance(then_expression, exp.Update): +1956 if isinstance(then_expression.args.get("expressions"), exp.Star): +1957 then = f"UPDATE {self.sql(then_expression, 'expressions')}" +1958 else: +1959 then = f"UPDATE SET {self.expressions(then_expression, flat=True)}" +1960 else: +1961 then = self.sql(then_expression) +1962 return f"WHEN {this} THEN {then}" +1963 +1964 def merge_sql(self, expression: exp.Merge) -> str: +1965 this = self.sql(expression, "this") +1966 using = f"USING {self.sql(expression, 'using')}" +1967 on = f"ON {self.sql(expression, 'on')}" +1968 return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}" @@ -5372,68 +5414,75 @@ Default: True 551 else: 552 expression_sql = f" AS{expression_sql}" 553 -554 replace = " OR REPLACE" if expression.args.get("replace") else "" -555 unique = " UNIQUE" if expression.args.get("unique") else "" -556 exists_sql = " IF NOT EXISTS" if expression.args.get("exists") else "" -557 -558 indexes = expression.args.get("indexes") -559 index_sql = "" -560 if indexes: -561 indexes_sql = [] -562 for index in indexes: -563 ind_unique = " UNIQUE" if index.args.get("unique") else "" -564 ind_primary = " PRIMARY" if index.args.get("primary") else "" -565 ind_amp = " AMP" if index.args.get("amp") else "" -566 ind_name = f" {index.name}" if index.name else "" -567 ind_columns = ( -568 f' ({self.expressions(index, key="columns", flat=True)})' -569 if index.args.get("columns") -570 else "" -571 ) -572 if index.args.get("primary") and properties_locs.get( -573 exp.Properties.Location.POST_INDEX -574 ): -575 postindex_props_sql = self.properties( -576 exp.Properties( -577 expressions=properties_locs[exp.Properties.Location.POST_INDEX] -578 ), -579 wrapped=False, -580 ) -581 ind_columns = f"{ind_columns} {postindex_props_sql}" -582 -583 indexes_sql.append( -584 f"{ind_unique}{ind_primary}{ind_amp} INDEX{ind_name}{ind_columns}" -585 ) +554 postindex_props_sql = "" +555 if properties_locs.get(exp.Properties.Location.POST_INDEX): +556 postindex_props_sql = self.properties( +557 exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_INDEX]), +558 wrapped=False, +559 prefix=" ", +560 ) +561 +562 indexes = expression.args.get("indexes") +563 if indexes: +564 indexes_sql: t.List[str] = [] +565 for index in indexes: +566 ind_unique = " UNIQUE" if index.args.get("unique") else "" +567 ind_primary = " PRIMARY" if index.args.get("primary") else "" +568 ind_amp = " AMP" if index.args.get("amp") else "" +569 ind_name = f" {index.name}" if index.name else "" +570 ind_columns = ( +571 f' ({self.expressions(index, key="columns", flat=True)})' +572 if index.args.get("columns") +573 else "" +574 ) +575 ind_sql = f"{ind_unique}{ind_primary}{ind_amp} INDEX{ind_name}{ind_columns}" +576 +577 if indexes_sql: +578 indexes_sql.append(ind_sql) +579 else: +580 indexes_sql.append( +581 f"{ind_sql}{postindex_props_sql}" +582 if index.args.get("primary") +583 else f"{postindex_props_sql}{ind_sql}" +584 ) +585 586 index_sql = "".join(indexes_sql) -587 -588 postcreate_props_sql = "" -589 if properties_locs.get(exp.Properties.Location.POST_CREATE): -590 postcreate_props_sql = self.properties( -591 exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_CREATE]), -592 sep=" ", -593 prefix=" ", -594 wrapped=False, -595 ) -596 -597 modifiers = "".join((replace, unique, postcreate_props_sql)) -598 -599 postexpression_props_sql = "" -600 if properties_locs.get(exp.Properties.Location.POST_EXPRESSION): -601 postexpression_props_sql = self.properties( -602 exp.Properties( -603 expressions=properties_locs[exp.Properties.Location.POST_EXPRESSION] -604 ), -605 sep=" ", -606 prefix=" ", -607 wrapped=False, -608 ) -609 -610 no_schema_binding = ( -611 " WITH NO SCHEMA BINDING" if expression.args.get("no_schema_binding") else "" -612 ) -613 -614 expression_sql = f"CREATE{modifiers} {kind}{exists_sql} {this}{properties_sql}{expression_sql}{postexpression_props_sql}{index_sql}{no_schema_binding}" -615 return self.prepend_ctes(expression, expression_sql) +587 else: +588 index_sql = postindex_props_sql +589 +590 replace = " OR REPLACE" if expression.args.get("replace") else "" +591 unique = " UNIQUE" if expression.args.get("unique") else "" +592 volatile = " VOLATILE" if expression.args.get("volatile") else "" +593 +594 postcreate_props_sql = "" +595 if properties_locs.get(exp.Properties.Location.POST_CREATE): +596 postcreate_props_sql = self.properties( +597 exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_CREATE]), +598 sep=" ", +599 prefix=" ", +600 wrapped=False, +601 ) +602 +603 modifiers = "".join((replace, unique, volatile, postcreate_props_sql)) +604 +605 postexpression_props_sql = "" +606 if properties_locs.get(exp.Properties.Location.POST_EXPRESSION): +607 postexpression_props_sql = self.properties( +608 exp.Properties( +609 expressions=properties_locs[exp.Properties.Location.POST_EXPRESSION] +610 ), +611 sep=" ", +612 prefix=" ", +613 wrapped=False, +614 ) +615 +616 exists_sql = " IF NOT EXISTS" if expression.args.get("exists") else "" +617 no_schema_binding = ( +618 " WITH NO SCHEMA BINDING" if expression.args.get("no_schema_binding") else "" +619 ) +620 +621 expression_sql = f"CREATE{modifiers} {kind}{exists_sql} {this}{properties_sql}{expression_sql}{postexpression_props_sql}{index_sql}{no_schema_binding}" +622 return self.prepend_ctes(expression, expression_sql) @@ -5451,8 +5500,8 @@ Default: True - 
    617    def describe_sql(self, expression: exp.Describe) -> str:
-618        return f"DESCRIBE {self.sql(expression, 'this')}"
+            
    624    def describe_sql(self, expression: exp.Describe) -> str:
+625        return f"DESCRIBE {self.sql(expression, 'this')}"
 
    
 
 
@@ -5470,11 +5519,11 @@ Default: True
    - 
    620    def prepend_ctes(self, expression: exp.Expression, sql: str) -> str:
-621        with_ = self.sql(expression, "with")
-622        if with_:
-623            sql = f"{with_}{self.sep()}{sql}"
-624        return sql
+            
    627    def prepend_ctes(self, expression: exp.Expression, sql: str) -> str:
+628        with_ = self.sql(expression, "with")
+629        if with_:
+630            sql = f"{with_}{self.sep()}{sql}"
+631        return sql
 
    
 
 
@@ -5492,11 +5541,11 @@ Default: True
    - 
    626    def with_sql(self, expression: exp.With) -> str:
-627        sql = self.expressions(expression, flat=True)
-628        recursive = "RECURSIVE " if expression.args.get("recursive") else ""
-629
-630        return f"WITH {recursive}{sql}"
+            
    633    def with_sql(self, expression: exp.With) -> str:
+634        sql = self.expressions(expression, flat=True)
+635        recursive = "RECURSIVE " if expression.args.get("recursive") else ""
+636
+637        return f"WITH {recursive}{sql}"
 
    
 
 
@@ -5514,9 +5563,9 @@ Default: True
    - 
    632    def cte_sql(self, expression: exp.CTE) -> str:
-633        alias = self.sql(expression, "alias")
-634        return f"{alias} AS {self.wrap(expression)}"
+            
    639    def cte_sql(self, expression: exp.CTE) -> str:
+640        alias = self.sql(expression, "alias")
+641        return f"{alias} AS {self.wrap(expression)}"
 
    
 
 
@@ -5534,11 +5583,11 @@ Default: True
    - 
    636    def tablealias_sql(self, expression: exp.TableAlias) -> str:
-637        alias = self.sql(expression, "this")
-638        columns = self.expressions(expression, key="columns", flat=True)
-639        columns = f"({columns})" if columns else ""
-640        return f"{alias}{columns}"
+            
    643    def tablealias_sql(self, expression: exp.TableAlias) -> str:
+644        alias = self.sql(expression, "this")
+645        columns = self.expressions(expression, key="columns", flat=True)
+646        columns = f"({columns})" if columns else ""
+647        return f"{alias}{columns}"
 
    
 
 
@@ -5556,8 +5605,8 @@ Default: True
    - 
    642    def bitstring_sql(self, expression: exp.BitString) -> str:
-643        return self.sql(expression, "this")
+            
    649    def bitstring_sql(self, expression: exp.BitString) -> str:
+650        return self.sql(expression, "this")
 
    
 
 
@@ -5575,8 +5624,8 @@ Default: True
    - 
    645    def hexstring_sql(self, expression: exp.HexString) -> str:
-646        return self.sql(expression, "this")
+            
    652    def hexstring_sql(self, expression: exp.HexString) -> str:
+653        return self.sql(expression, "this")
 
    
 
 
@@ -5594,24 +5643,24 @@ Default: True
    - 
    648    def datatype_sql(self, expression: exp.DataType) -> str:
-649        type_value = expression.this
-650        type_sql = self.TYPE_MAPPING.get(type_value, type_value.value)
-651        nested = ""
-652        interior = self.expressions(expression, flat=True)
-653        values = ""
-654        if interior:
-655            if expression.args.get("nested"):
-656                nested = f"{self.STRUCT_DELIMITER[0]}{interior}{self.STRUCT_DELIMITER[1]}"
-657                if expression.args.get("values") is not None:
-658                    delimiters = ("[", "]") if type_value == exp.DataType.Type.ARRAY else ("(", ")")
-659                    values = (
-660                        f"{delimiters[0]}{self.expressions(expression, 'values')}{delimiters[1]}"
-661                    )
-662            else:
-663                nested = f"({interior})"
-664
-665        return f"{type_sql}{nested}{values}"
+            
    655    def datatype_sql(self, expression: exp.DataType) -> str:
+656        type_value = expression.this
+657        type_sql = self.TYPE_MAPPING.get(type_value, type_value.value)
+658        nested = ""
+659        interior = self.expressions(expression, flat=True)
+660        values = ""
+661        if interior:
+662            if expression.args.get("nested"):
+663                nested = f"{self.STRUCT_DELIMITER[0]}{interior}{self.STRUCT_DELIMITER[1]}"
+664                if expression.args.get("values") is not None:
+665                    delimiters = ("[", "]") if type_value == exp.DataType.Type.ARRAY else ("(", ")")
+666                    values = (
+667                        f"{delimiters[0]}{self.expressions(expression, 'values')}{delimiters[1]}"
+668                    )
+669            else:
+670                nested = f"({interior})"
+671
+672        return f"{type_sql}{nested}{values}"
 
    
 
 
@@ -5629,11 +5678,11 @@ Default: True
    - 
    667    def directory_sql(self, expression: exp.Directory) -> str:
-668        local = "LOCAL " if expression.args.get("local") else ""
-669        row_format = self.sql(expression, "row_format")
-670        row_format = f" {row_format}" if row_format else ""
-671        return f"{local}DIRECTORY {self.sql(expression, 'this')}{row_format}"
+            
    674    def directory_sql(self, expression: exp.Directory) -> str:
+675        local = "LOCAL " if expression.args.get("local") else ""
+676        row_format = self.sql(expression, "row_format")
+677        row_format = f" {row_format}" if row_format else ""
+678        return f"{local}DIRECTORY {self.sql(expression, 'this')}{row_format}"
 
    
 
 
@@ -5651,17 +5700,17 @@ Default: True
    - 
    673    def delete_sql(self, expression: exp.Delete) -> str:
-674        this = self.sql(expression, "this")
-675        this = f" FROM {this}" if this else ""
-676        using_sql = (
-677            f" USING {self.expressions(expression, 'using', sep=', USING ')}"
-678            if expression.args.get("using")
-679            else ""
-680        )
-681        where_sql = self.sql(expression, "where")
-682        sql = f"DELETE{this}{using_sql}{where_sql}"
-683        return self.prepend_ctes(expression, sql)
+            
    680    def delete_sql(self, expression: exp.Delete) -> str:
+681        this = self.sql(expression, "this")
+682        this = f" FROM {this}" if this else ""
+683        using_sql = (
+684            f" USING {self.expressions(expression, 'using', sep=', USING ')}"
+685            if expression.args.get("using")
+686            else ""
+687        )
+688        where_sql = self.sql(expression, "where")
+689        sql = f"DELETE{this}{using_sql}{where_sql}"
+690        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -5679,14 +5728,14 @@ Default: True
    - 
    685    def drop_sql(self, expression: exp.Drop) -> str:
-686        this = self.sql(expression, "this")
-687        kind = expression.args["kind"]
-688        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
-689        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
-690        materialized = " MATERIALIZED" if expression.args.get("materialized") else ""
-691        cascade = " CASCADE" if expression.args.get("cascade") else ""
-692        return f"DROP{temporary}{materialized} {kind}{exists_sql}{this}{cascade}"
+            
    692    def drop_sql(self, expression: exp.Drop) -> str:
+693        this = self.sql(expression, "this")
+694        kind = expression.args["kind"]
+695        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
+696        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
+697        materialized = " MATERIALIZED" if expression.args.get("materialized") else ""
+698        cascade = " CASCADE" if expression.args.get("cascade") else ""
+699        return f"DROP{temporary}{materialized} {kind}{exists_sql}{this}{cascade}"
 
    
 
 
@@ -5704,11 +5753,11 @@ Default: True
    - 
    694    def except_sql(self, expression: exp.Except) -> str:
-695        return self.prepend_ctes(
-696            expression,
-697            self.set_operation(expression, self.except_op(expression)),
-698        )
+            
    701    def except_sql(self, expression: exp.Except) -> str:
+702        return self.prepend_ctes(
+703            expression,
+704            self.set_operation(expression, self.except_op(expression)),
+705        )
 
    
 
 
@@ -5726,8 +5775,8 @@ Default: True
    - 
    700    def except_op(self, expression: exp.Except) -> str:
-701        return f"EXCEPT{'' if expression.args.get('distinct') else ' ALL'}"
+            
    707    def except_op(self, expression: exp.Except) -> str:
+708        return f"EXCEPT{'' if expression.args.get('distinct') else ' ALL'}"
 
    
 
 
@@ -5745,12 +5794,12 @@ Default: True
    - 
    703    def fetch_sql(self, expression: exp.Fetch) -> str:
-704        direction = expression.args.get("direction")
-705        direction = f" {direction.upper()}" if direction else ""
-706        count = expression.args.get("count")
-707        count = f" {count}" if count else ""
-708        return f"{self.seg('FETCH')}{direction}{count} ROWS ONLY"
+            
    710    def fetch_sql(self, expression: exp.Fetch) -> str:
+711        direction = expression.args.get("direction")
+712        direction = f" {direction.upper()}" if direction else ""
+713        count = expression.args.get("count")
+714        count = f" {count}" if count else ""
+715        return f"{self.seg('FETCH')}{direction}{count} ROWS ONLY"
 
    
 
 
@@ -5768,10 +5817,10 @@ Default: True
    - 
    710    def filter_sql(self, expression: exp.Filter) -> str:
-711        this = self.sql(expression, "this")
-712        where = self.sql(expression, "expression")[1:]  # where has a leading space
-713        return f"{this} FILTER({where})"
+            
    717    def filter_sql(self, expression: exp.Filter) -> str:
+718        this = self.sql(expression, "this")
+719        where = self.sql(expression, "expression")[1:]  # where has a leading space
+720        return f"{this} FILTER({where})"
 
    
 
 
@@ -5789,10 +5838,10 @@ Default: True
    - 
    715    def hint_sql(self, expression: exp.Hint) -> str:
-716        if self.sql(expression, "this"):
-717            self.unsupported("Hints are not supported")
-718        return ""
+            
    722    def hint_sql(self, expression: exp.Hint) -> str:
+723        if self.sql(expression, "this"):
+724            self.unsupported("Hints are not supported")
+725        return ""
 
    
 
 
@@ -5810,11 +5859,11 @@ Default: True
    - 
    720    def index_sql(self, expression: exp.Index) -> str:
-721        this = self.sql(expression, "this")
-722        table = self.sql(expression, "table")
-723        columns = self.sql(expression, "columns")
-724        return f"{this} ON {table} {columns}"
+            
    727    def index_sql(self, expression: exp.Index) -> str:
+728        this = self.sql(expression, "this")
+729        table = self.sql(expression, "table")
+730        columns = self.sql(expression, "columns")
+731        return f"{this} ON {table} {columns}"
 
    
 
 
@@ -5832,13 +5881,13 @@ Default: True
    - 
    726    def identifier_sql(self, expression: exp.Identifier) -> str:
-727        text = expression.name
-728        text = text.lower() if self.normalize else text
-729        text = text.replace(self.identifier_end, self._escaped_identifier_end)
-730        if expression.args.get("quoted") or self.identify:
-731            text = f"{self.identifier_start}{text}{self.identifier_end}"
-732        return text
+            
    733    def identifier_sql(self, expression: exp.Identifier) -> str:
+734        text = expression.name
+735        text = text.lower() if self.normalize else text
+736        text = text.replace(self.identifier_end, self._escaped_identifier_end)
+737        if expression.args.get("quoted") or self.identify:
+738            text = f"{self.identifier_start}{text}{self.identifier_end}"
+739        return text
 
    
 
 
@@ -5856,8 +5905,8 @@ Default: True
    - 
    734    def national_sql(self, expression: exp.National) -> str:
-735        return f"N{self.sql(expression, 'this')}"
+            
    741    def national_sql(self, expression: exp.National) -> str:
+742        return f"N{self.sql(expression, 'this')}"
 
    
 
 
@@ -5875,8 +5924,8 @@ Default: True
    - 
    737    def partition_sql(self, expression: exp.Partition) -> str:
-738        return f"PARTITION({self.expressions(expression)})"
+            
    744    def partition_sql(self, expression: exp.Partition) -> str:
+745        return f"PARTITION({self.expressions(expression)})"
 
    
 
 
@@ -5894,20 +5943,20 @@ Default: True
    - 
    740    def properties_sql(self, expression: exp.Properties) -> str:
-741        root_properties = []
-742        with_properties = []
-743
-744        for p in expression.expressions:
-745            p_loc = self.PROPERTIES_LOCATION[p.__class__]
-746            if p_loc == exp.Properties.Location.POST_WITH:
-747                with_properties.append(p)
-748            elif p_loc == exp.Properties.Location.POST_SCHEMA:
-749                root_properties.append(p)
+            
    747    def properties_sql(self, expression: exp.Properties) -> str:
+748        root_properties = []
+749        with_properties = []
 750
-751        return self.root_properties(
-752            exp.Properties(expressions=root_properties)
-753        ) + self.with_properties(exp.Properties(expressions=with_properties))
+751        for p in expression.expressions:
+752            p_loc = self.PROPERTIES_LOCATION[p.__class__]
+753            if p_loc == exp.Properties.Location.POST_WITH:
+754                with_properties.append(p)
+755            elif p_loc == exp.Properties.Location.POST_SCHEMA:
+756                root_properties.append(p)
+757
+758        return self.root_properties(
+759            exp.Properties(expressions=root_properties)
+760        ) + self.with_properties(exp.Properties(expressions=with_properties))
 
    
 
 
@@ -5925,10 +5974,10 @@ Default: True
    - 
    755    def root_properties(self, properties: exp.Properties) -> str:
-756        if properties.expressions:
-757            return self.sep() + self.expressions(properties, indent=False, sep=" ")
-758        return ""
+            
    762    def root_properties(self, properties: exp.Properties) -> str:
+763        if properties.expressions:
+764            return self.sep() + self.expressions(properties, indent=False, sep=" ")
+765        return ""
 
    
 
 
@@ -5946,19 +5995,19 @@ Default: True
    - 
    760    def properties(
-761        self,
-762        properties: exp.Properties,
-763        prefix: str = "",
-764        sep: str = ", ",
-765        suffix: str = "",
-766        wrapped: bool = True,
-767    ) -> str:
-768        if properties.expressions:
-769            expressions = self.expressions(properties, sep=sep, indent=False)
-770            expressions = self.wrap(expressions) if wrapped else expressions
-771            return f"{prefix}{' ' if prefix and prefix != ' ' else ''}{expressions}{suffix}"
-772        return ""
+            
    767    def properties(
+768        self,
+769        properties: exp.Properties,
+770        prefix: str = "",
+771        sep: str = ", ",
+772        suffix: str = "",
+773        wrapped: bool = True,
+774    ) -> str:
+775        if properties.expressions:
+776            expressions = self.expressions(properties, sep=sep, indent=False)
+777            expressions = self.wrap(expressions) if wrapped else expressions
+778            return f"{prefix}{' ' if prefix and prefix != ' ' else ''}{expressions}{suffix}"
+779        return ""
 
    
 
 
@@ -5976,8 +6025,8 @@ Default: True
    - 
    774    def with_properties(self, properties: exp.Properties) -> str:
-775        return self.properties(properties, prefix=self.seg("WITH"))
+            
    781    def with_properties(self, properties: exp.Properties) -> str:
+782        return self.properties(properties, prefix=self.seg("WITH"))
 
    
 
 
@@ -5995,33 +6044,33 @@ Default: True
    - 
    777    def locate_properties(
-778        self, properties: exp.Properties
-779    ) -> t.Dict[exp.Properties.Location, list[exp.Property]]:
-780        properties_locs: t.Dict[exp.Properties.Location, list[exp.Property]] = {
-781            key: [] for key in exp.Properties.Location
-782        }
-783
-784        for p in properties.expressions:
-785            p_loc = self.PROPERTIES_LOCATION[p.__class__]
-786            if p_loc == exp.Properties.Location.POST_NAME:
-787                properties_locs[exp.Properties.Location.POST_NAME].append(p)
-788            elif p_loc == exp.Properties.Location.POST_INDEX:
-789                properties_locs[exp.Properties.Location.POST_INDEX].append(p)
-790            elif p_loc == exp.Properties.Location.POST_SCHEMA:
-791                properties_locs[exp.Properties.Location.POST_SCHEMA].append(p)
-792            elif p_loc == exp.Properties.Location.POST_WITH:
-793                properties_locs[exp.Properties.Location.POST_WITH].append(p)
-794            elif p_loc == exp.Properties.Location.POST_CREATE:
-795                properties_locs[exp.Properties.Location.POST_CREATE].append(p)
-796            elif p_loc == exp.Properties.Location.POST_ALIAS:
-797                properties_locs[exp.Properties.Location.POST_ALIAS].append(p)
-798            elif p_loc == exp.Properties.Location.POST_EXPRESSION:
-799                properties_locs[exp.Properties.Location.POST_EXPRESSION].append(p)
-800            elif p_loc == exp.Properties.Location.UNSUPPORTED:
-801                self.unsupported(f"Unsupported property {p.key}")
-802
-803        return properties_locs
+            
    784    def locate_properties(
+785        self, properties: exp.Properties
+786    ) -> t.Dict[exp.Properties.Location, list[exp.Property]]:
+787        properties_locs: t.Dict[exp.Properties.Location, list[exp.Property]] = {
+788            key: [] for key in exp.Properties.Location
+789        }
+790
+791        for p in properties.expressions:
+792            p_loc = self.PROPERTIES_LOCATION[p.__class__]
+793            if p_loc == exp.Properties.Location.POST_NAME:
+794                properties_locs[exp.Properties.Location.POST_NAME].append(p)
+795            elif p_loc == exp.Properties.Location.POST_INDEX:
+796                properties_locs[exp.Properties.Location.POST_INDEX].append(p)
+797            elif p_loc == exp.Properties.Location.POST_SCHEMA:
+798                properties_locs[exp.Properties.Location.POST_SCHEMA].append(p)
+799            elif p_loc == exp.Properties.Location.POST_WITH:
+800                properties_locs[exp.Properties.Location.POST_WITH].append(p)
+801            elif p_loc == exp.Properties.Location.POST_CREATE:
+802                properties_locs[exp.Properties.Location.POST_CREATE].append(p)
+803            elif p_loc == exp.Properties.Location.POST_ALIAS:
+804                properties_locs[exp.Properties.Location.POST_ALIAS].append(p)
+805            elif p_loc == exp.Properties.Location.POST_EXPRESSION:
+806                properties_locs[exp.Properties.Location.POST_EXPRESSION].append(p)
+807            elif p_loc == exp.Properties.Location.UNSUPPORTED:
+808                self.unsupported(f"Unsupported property {p.key}")
+809
+810        return properties_locs
 
    
 
 
@@ -6039,16 +6088,16 @@ Default: True
    - 
    805    def property_sql(self, expression: exp.Property) -> str:
-806        property_cls = expression.__class__
-807        if property_cls == exp.Property:
-808            return f"{expression.name}={self.sql(expression, 'value')}"
-809
-810        property_name = exp.Properties.PROPERTY_TO_NAME.get(property_cls)
-811        if not property_name:
-812            self.unsupported(f"Unsupported property {expression.key}")
-813
-814        return f"{property_name}={self.sql(expression, 'this')}"
+            
    812    def property_sql(self, expression: exp.Property) -> str:
+813        property_cls = expression.__class__
+814        if property_cls == exp.Property:
+815            return f"{expression.name}={self.sql(expression, 'value')}"
+816
+817        property_name = exp.Properties.PROPERTY_TO_NAME.get(property_cls)
+818        if not property_name:
+819            self.unsupported(f"Unsupported property {expression.key}")
+820
+821        return f"{property_name}={self.sql(expression, 'this')}"
 
    
 
 
@@ -6066,10 +6115,10 @@ Default: True
    - 
    816    def likeproperty_sql(self, expression: exp.LikeProperty) -> str:
-817        options = " ".join(f"{e.name} {self.sql(e, 'value')}" for e in expression.expressions)
-818        options = f" {options}" if options else ""
-819        return f"LIKE {self.sql(expression, 'this')}{options}"
+            
    823    def likeproperty_sql(self, expression: exp.LikeProperty) -> str:
+824        options = " ".join(f"{e.name} {self.sql(e, 'value')}" for e in expression.expressions)
+825        options = f" {options}" if options else ""
+826        return f"LIKE {self.sql(expression, 'this')}{options}"
 
    
 
 
@@ -6087,10 +6136,10 @@ Default: True
    - 
    821    def fallbackproperty_sql(self, expression: exp.FallbackProperty) -> str:
-822        no = "NO " if expression.args.get("no") else ""
-823        protection = " PROTECTION" if expression.args.get("protection") else ""
-824        return f"{no}FALLBACK{protection}"
+            
    828    def fallbackproperty_sql(self, expression: exp.FallbackProperty) -> str:
+829        no = "NO " if expression.args.get("no") else ""
+830        protection = " PROTECTION" if expression.args.get("protection") else ""
+831        return f"{no}FALLBACK{protection}"
 
    
 
 
@@ -6108,11 +6157,11 @@ Default: True
    - 
    826    def journalproperty_sql(self, expression: exp.JournalProperty) -> str:
-827        no = "NO " if expression.args.get("no") else ""
-828        dual = "DUAL " if expression.args.get("dual") else ""
-829        before = "BEFORE " if expression.args.get("before") else ""
-830        return f"{no}{dual}{before}JOURNAL"
+            
    833    def journalproperty_sql(self, expression: exp.JournalProperty) -> str:
+834        no = "NO " if expression.args.get("no") else ""
+835        dual = "DUAL " if expression.args.get("dual") else ""
+836        before = "BEFORE " if expression.args.get("before") else ""
+837        return f"{no}{dual}{before}JOURNAL"
 
    
 
 
@@ -6130,10 +6179,10 @@ Default: True
    - 
    832    def freespaceproperty_sql(self, expression: exp.FreespaceProperty) -> str:
-833        freespace = self.sql(expression, "this")
-834        percent = " PERCENT" if expression.args.get("percent") else ""
-835        return f"FREESPACE={freespace}{percent}"
+            
    839    def freespaceproperty_sql(self, expression: exp.FreespaceProperty) -> str:
+840        freespace = self.sql(expression, "this")
+841        percent = " PERCENT" if expression.args.get("percent") else ""
+842        return f"FREESPACE={freespace}{percent}"
 
    
 
 
@@ -6151,13 +6200,13 @@ Default: True
    - 
    837    def afterjournalproperty_sql(self, expression: exp.AfterJournalProperty) -> str:
-838        no = "NO " if expression.args.get("no") else ""
-839        dual = "DUAL " if expression.args.get("dual") else ""
-840        local = ""
-841        if expression.args.get("local") is not None:
-842            local = "LOCAL " if expression.args.get("local") else "NOT LOCAL "
-843        return f"{no}{dual}{local}AFTER JOURNAL"
+            
    844    def afterjournalproperty_sql(self, expression: exp.AfterJournalProperty) -> str:
+845        no = "NO " if expression.args.get("no") else ""
+846        dual = "DUAL " if expression.args.get("dual") else ""
+847        local = ""
+848        if expression.args.get("local") is not None:
+849            local = "LOCAL " if expression.args.get("local") else "NOT LOCAL "
+850        return f"{no}{dual}{local}AFTER JOURNAL"
 
    
 
 
@@ -6175,14 +6224,14 @@ Default: True
    - 
    845    def checksumproperty_sql(self, expression: exp.ChecksumProperty) -> str:
-846        if expression.args.get("default"):
-847            property = "DEFAULT"
-848        elif expression.args.get("on"):
-849            property = "ON"
-850        else:
-851            property = "OFF"
-852        return f"CHECKSUM={property}"
+            
    852    def checksumproperty_sql(self, expression: exp.ChecksumProperty) -> str:
+853        if expression.args.get("default"):
+854            property = "DEFAULT"
+855        elif expression.args.get("on"):
+856            property = "ON"
+857        else:
+858            property = "OFF"
+859        return f"CHECKSUM={property}"
 
    
 
 
@@ -6200,14 +6249,14 @@ Default: True
    - 
    854    def mergeblockratioproperty_sql(self, expression: exp.MergeBlockRatioProperty) -> str:
-855        if expression.args.get("no"):
-856            return "NO MERGEBLOCKRATIO"
-857        if expression.args.get("default"):
-858            return "DEFAULT MERGEBLOCKRATIO"
-859
-860        percent = " PERCENT" if expression.args.get("percent") else ""
-861        return f"MERGEBLOCKRATIO={self.sql(expression, 'this')}{percent}"
+            
    861    def mergeblockratioproperty_sql(self, expression: exp.MergeBlockRatioProperty) -> str:
+862        if expression.args.get("no"):
+863            return "NO MERGEBLOCKRATIO"
+864        if expression.args.get("default"):
+865            return "DEFAULT MERGEBLOCKRATIO"
+866
+867        percent = " PERCENT" if expression.args.get("percent") else ""
+868        return f"MERGEBLOCKRATIO={self.sql(expression, 'this')}{percent}"
 
    
 
 
@@ -6225,21 +6274,21 @@ Default: True
    - 
    863    def datablocksizeproperty_sql(self, expression: exp.DataBlocksizeProperty) -> str:
-864        default = expression.args.get("default")
-865        min = expression.args.get("min")
-866        if default is not None or min is not None:
-867            if default:
-868                property = "DEFAULT"
-869            elif min:
-870                property = "MINIMUM"
-871            else:
-872                property = "MAXIMUM"
-873            return f"{property} DATABLOCKSIZE"
-874        else:
-875            units = expression.args.get("units")
-876            units = f" {units}" if units else ""
-877            return f"DATABLOCKSIZE={self.sql(expression, 'size')}{units}"
+            
    870    def datablocksizeproperty_sql(self, expression: exp.DataBlocksizeProperty) -> str:
+871        default = expression.args.get("default")
+872        min = expression.args.get("min")
+873        if default is not None or min is not None:
+874            if default:
+875                property = "DEFAULT"
+876            elif min:
+877                property = "MINIMUM"
+878            else:
+879                property = "MAXIMUM"
+880            return f"{property} DATABLOCKSIZE"
+881        else:
+882            units = expression.args.get("units")
+883            units = f" {units}" if units else ""
+884            return f"DATABLOCKSIZE={self.sql(expression, 'size')}{units}"
 
    
 
 
@@ -6257,24 +6306,24 @@ Default: True
    - 
    879    def blockcompressionproperty_sql(self, expression: exp.BlockCompressionProperty) -> str:
-880        autotemp = expression.args.get("autotemp")
-881        always = expression.args.get("always")
-882        default = expression.args.get("default")
-883        manual = expression.args.get("manual")
-884        never = expression.args.get("never")
-885
-886        if autotemp is not None:
-887            property = f"AUTOTEMP({self.expressions(autotemp)})"
-888        elif always:
-889            property = "ALWAYS"
-890        elif default:
-891            property = "DEFAULT"
-892        elif manual:
-893            property = "MANUAL"
-894        elif never:
-895            property = "NEVER"
-896        return f"BLOCKCOMPRESSION={property}"
+            
    886    def blockcompressionproperty_sql(self, expression: exp.BlockCompressionProperty) -> str:
+887        autotemp = expression.args.get("autotemp")
+888        always = expression.args.get("always")
+889        default = expression.args.get("default")
+890        manual = expression.args.get("manual")
+891        never = expression.args.get("never")
+892
+893        if autotemp is not None:
+894            property = f"AUTOTEMP({self.expressions(autotemp)})"
+895        elif always:
+896            property = "ALWAYS"
+897        elif default:
+898            property = "DEFAULT"
+899        elif manual:
+900            property = "MANUAL"
+901        elif never:
+902            property = "NEVER"
+903        return f"BLOCKCOMPRESSION={property}"
 
    
 
 
@@ -6292,20 +6341,20 @@ Default: True
    - 
    898    def isolatedloadingproperty_sql(self, expression: exp.IsolatedLoadingProperty) -> str:
-899        no = expression.args.get("no")
-900        no = " NO" if no else ""
-901        concurrent = expression.args.get("concurrent")
-902        concurrent = " CONCURRENT" if concurrent else ""
-903
-904        for_ = ""
-905        if expression.args.get("for_all"):
-906            for_ = " FOR ALL"
-907        elif expression.args.get("for_insert"):
-908            for_ = " FOR INSERT"
-909        elif expression.args.get("for_none"):
-910            for_ = " FOR NONE"
-911        return f"WITH{no}{concurrent} ISOLATED LOADING{for_}"
+            
    905    def isolatedloadingproperty_sql(self, expression: exp.IsolatedLoadingProperty) -> str:
+906        no = expression.args.get("no")
+907        no = " NO" if no else ""
+908        concurrent = expression.args.get("concurrent")
+909        concurrent = " CONCURRENT" if concurrent else ""
+910
+911        for_ = ""
+912        if expression.args.get("for_all"):
+913            for_ = " FOR ALL"
+914        elif expression.args.get("for_insert"):
+915            for_ = " FOR INSERT"
+916        elif expression.args.get("for_none"):
+917            for_ = " FOR NONE"
+918        return f"WITH{no}{concurrent} ISOLATED LOADING{for_}"
 
    
 
 
@@ -6323,13 +6372,13 @@ Default: True
    - 
    913    def lockingproperty_sql(self, expression: exp.LockingProperty) -> str:
-914        kind = expression.args.get("kind")
-915        this: str = f" {this}" if expression.this else ""
-916        for_or_in = expression.args.get("for_or_in")
-917        lock_type = expression.args.get("lock_type")
-918        override = " OVERRIDE" if expression.args.get("override") else ""
-919        return f"LOCKING {kind}{this} {for_or_in} {lock_type}{override}"
+            
    920    def lockingproperty_sql(self, expression: exp.LockingProperty) -> str:
+921        kind = expression.args.get("kind")
+922        this: str = f" {this}" if expression.this else ""
+923        for_or_in = expression.args.get("for_or_in")
+924        lock_type = expression.args.get("lock_type")
+925        override = " OVERRIDE" if expression.args.get("override") else ""
+926        return f"LOCKING {kind}{this} {for_or_in} {lock_type}{override}"
 
    
 
 
@@ -6347,13 +6396,13 @@ Default: True
    - 
    921    def withdataproperty_sql(self, expression: exp.WithDataProperty) -> str:
-922        data_sql = f"WITH {'NO ' if expression.args.get('no') else ''}DATA"
-923        statistics = expression.args.get("statistics")
-924        statistics_sql = ""
-925        if statistics is not None:
-926            statistics_sql = f" AND {'NO ' if not statistics else ''}STATISTICS"
-927        return f"{data_sql}{statistics_sql}"
+            
    928    def withdataproperty_sql(self, expression: exp.WithDataProperty) -> str:
+929        data_sql = f"WITH {'NO ' if expression.args.get('no') else ''}DATA"
+930        statistics = expression.args.get("statistics")
+931        statistics_sql = ""
+932        if statistics is not None:
+933            statistics_sql = f" AND {'NO ' if not statistics else ''}STATISTICS"
+934        return f"{data_sql}{statistics_sql}"
 
    
 
 
@@ -6371,26 +6420,26 @@ Default: True
    - 
    929    def insert_sql(self, expression: exp.Insert) -> str:
-930        overwrite = expression.args.get("overwrite")
-931
-932        if isinstance(expression.this, exp.Directory):
-933            this = "OVERWRITE " if overwrite else "INTO "
-934        else:
-935            this = "OVERWRITE TABLE " if overwrite else "INTO "
-936
-937        alternative = expression.args.get("alternative")
-938        alternative = f" OR {alternative} " if alternative else " "
-939        this = f"{this}{self.sql(expression, 'this')}"
-940
-941        exists = " IF EXISTS " if expression.args.get("exists") else " "
-942        partition_sql = (
-943            self.sql(expression, "partition") if expression.args.get("partition") else ""
-944        )
-945        expression_sql = self.sql(expression, "expression")
-946        sep = self.sep() if partition_sql else ""
-947        sql = f"INSERT{alternative}{this}{exists}{partition_sql}{sep}{expression_sql}"
-948        return self.prepend_ctes(expression, sql)
+            
    936    def insert_sql(self, expression: exp.Insert) -> str:
+937        overwrite = expression.args.get("overwrite")
+938
+939        if isinstance(expression.this, exp.Directory):
+940            this = "OVERWRITE " if overwrite else "INTO "
+941        else:
+942            this = "OVERWRITE TABLE " if overwrite else "INTO "
+943
+944        alternative = expression.args.get("alternative")
+945        alternative = f" OR {alternative} " if alternative else " "
+946        this = f"{this}{self.sql(expression, 'this')}"
+947
+948        exists = " IF EXISTS " if expression.args.get("exists") else " "
+949        partition_sql = (
+950            self.sql(expression, "partition") if expression.args.get("partition") else ""
+951        )
+952        expression_sql = self.sql(expression, "expression")
+953        sep = self.sep() if partition_sql else ""
+954        sql = f"INSERT{alternative}{this}{exists}{partition_sql}{sep}{expression_sql}"
+955        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -6408,11 +6457,11 @@ Default: True
    - 
    950    def intersect_sql(self, expression: exp.Intersect) -> str:
-951        return self.prepend_ctes(
-952            expression,
-953            self.set_operation(expression, self.intersect_op(expression)),
-954        )
+            
    957    def intersect_sql(self, expression: exp.Intersect) -> str:
+958        return self.prepend_ctes(
+959            expression,
+960            self.set_operation(expression, self.intersect_op(expression)),
+961        )
 
    
 
 
@@ -6430,8 +6479,8 @@ Default: True
    - 
    956    def intersect_op(self, expression: exp.Intersect) -> str:
-957        return f"INTERSECT{'' if expression.args.get('distinct') else ' ALL'}"
+            
    963    def intersect_op(self, expression: exp.Intersect) -> str:
+964        return f"INTERSECT{'' if expression.args.get('distinct') else ' ALL'}"
 
    
 
 
@@ -6449,8 +6498,8 @@ Default: True
    - 
    959    def introducer_sql(self, expression: exp.Introducer) -> str:
-960        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
+            
    966    def introducer_sql(self, expression: exp.Introducer) -> str:
+967        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
 
    
 
 
@@ -6468,8 +6517,8 @@ Default: True
    - 
    962    def pseudotype_sql(self, expression: exp.PseudoType) -> str:
-963        return expression.name.upper()
+            
    969    def pseudotype_sql(self, expression: exp.PseudoType) -> str:
+970        return expression.name.upper()
 
    
 
 
@@ -6487,20 +6536,20 @@ Default: True
    - 
    965    def rowformatdelimitedproperty_sql(self, expression: exp.RowFormatDelimitedProperty) -> str:
-966        fields = expression.args.get("fields")
-967        fields = f" FIELDS TERMINATED BY {fields}" if fields else ""
-968        escaped = expression.args.get("escaped")
-969        escaped = f" ESCAPED BY {escaped}" if escaped else ""
-970        items = expression.args.get("collection_items")
-971        items = f" COLLECTION ITEMS TERMINATED BY {items}" if items else ""
-972        keys = expression.args.get("map_keys")
-973        keys = f" MAP KEYS TERMINATED BY {keys}" if keys else ""
-974        lines = expression.args.get("lines")
-975        lines = f" LINES TERMINATED BY {lines}" if lines else ""
-976        null = expression.args.get("null")
-977        null = f" NULL DEFINED AS {null}" if null else ""
-978        return f"ROW FORMAT DELIMITED{fields}{escaped}{items}{keys}{lines}{null}"
+            
    972    def rowformatdelimitedproperty_sql(self, expression: exp.RowFormatDelimitedProperty) -> str:
+973        fields = expression.args.get("fields")
+974        fields = f" FIELDS TERMINATED BY {fields}" if fields else ""
+975        escaped = expression.args.get("escaped")
+976        escaped = f" ESCAPED BY {escaped}" if escaped else ""
+977        items = expression.args.get("collection_items")
+978        items = f" COLLECTION ITEMS TERMINATED BY {items}" if items else ""
+979        keys = expression.args.get("map_keys")
+980        keys = f" MAP KEYS TERMINATED BY {keys}" if keys else ""
+981        lines = expression.args.get("lines")
+982        lines = f" LINES TERMINATED BY {lines}" if lines else ""
+983        null = expression.args.get("null")
+984        null = f" NULL DEFINED AS {null}" if null else ""
+985        return f"ROW FORMAT DELIMITED{fields}{escaped}{items}{keys}{lines}{null}"
 
    
 
 
@@ -6518,28 +6567,28 @@ Default: True
    - 
     980    def table_sql(self, expression: exp.Table, sep: str = " AS ") -> str:
- 981        table = ".".join(
- 982            part
- 983            for part in [
- 984                self.sql(expression, "catalog"),
- 985                self.sql(expression, "db"),
- 986                self.sql(expression, "this"),
- 987            ]
- 988            if part
- 989        )
- 990
- 991        alias = self.sql(expression, "alias")
- 992        alias = f"{sep}{alias}" if alias else ""
- 993        hints = self.expressions(expression, key="hints", sep=", ", flat=True)
- 994        hints = f" WITH ({hints})" if hints else ""
- 995        laterals = self.expressions(expression, key="laterals", sep="")
- 996        joins = self.expressions(expression, key="joins", sep="")
- 997        pivots = self.expressions(expression, key="pivots", sep="")
- 998        system_time = expression.args.get("system_time")
- 999        system_time = f" {self.sql(expression, 'system_time')}" if system_time else ""
-1000
-1001        return f"{table}{system_time}{alias}{hints}{laterals}{joins}{pivots}"
+            
     987    def table_sql(self, expression: exp.Table, sep: str = " AS ") -> str:
+ 988        table = ".".join(
+ 989            part
+ 990            for part in [
+ 991                self.sql(expression, "catalog"),
+ 992                self.sql(expression, "db"),
+ 993                self.sql(expression, "this"),
+ 994            ]
+ 995            if part
+ 996        )
+ 997
+ 998        alias = self.sql(expression, "alias")
+ 999        alias = f"{sep}{alias}" if alias else ""
+1000        hints = self.expressions(expression, key="hints", sep=", ", flat=True)
+1001        hints = f" WITH ({hints})" if hints else ""
+1002        laterals = self.expressions(expression, key="laterals", sep="")
+1003        joins = self.expressions(expression, key="joins", sep="")
+1004        pivots = self.expressions(expression, key="pivots", sep="")
+1005        system_time = expression.args.get("system_time")
+1006        system_time = f" {self.sql(expression, 'system_time')}" if system_time else ""
+1007
+1008        return f"{table}{system_time}{alias}{hints}{laterals}{joins}{pivots}"
 
    
 
 
@@ -6557,28 +6606,28 @@ Default: True
    - 
    1003    def tablesample_sql(self, expression: exp.TableSample) -> str:
-1004        if self.alias_post_tablesample and expression.this.alias:
-1005            this = self.sql(expression.this, "this")
-1006            alias = f" AS {self.sql(expression.this, 'alias')}"
-1007        else:
-1008            this = self.sql(expression, "this")
-1009            alias = ""
-1010        method = self.sql(expression, "method")
-1011        method = f" {method.upper()} " if method else ""
-1012        numerator = self.sql(expression, "bucket_numerator")
-1013        denominator = self.sql(expression, "bucket_denominator")
-1014        field = self.sql(expression, "bucket_field")
-1015        field = f" ON {field}" if field else ""
-1016        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
-1017        percent = self.sql(expression, "percent")
-1018        percent = f"{percent} PERCENT" if percent else ""
-1019        rows = self.sql(expression, "rows")
-1020        rows = f"{rows} ROWS" if rows else ""
-1021        size = self.sql(expression, "size")
-1022        seed = self.sql(expression, "seed")
-1023        seed = f" SEED ({seed})" if seed else ""
-1024        return f"{this} TABLESAMPLE{method}({bucket}{percent}{rows}{size}){seed}{alias}"
+            
    1010    def tablesample_sql(self, expression: exp.TableSample) -> str:
+1011        if self.alias_post_tablesample and expression.this.alias:
+1012            this = self.sql(expression.this, "this")
+1013            alias = f" AS {self.sql(expression.this, 'alias')}"
+1014        else:
+1015            this = self.sql(expression, "this")
+1016            alias = ""
+1017        method = self.sql(expression, "method")
+1018        method = f" {method.upper()} " if method else ""
+1019        numerator = self.sql(expression, "bucket_numerator")
+1020        denominator = self.sql(expression, "bucket_denominator")
+1021        field = self.sql(expression, "bucket_field")
+1022        field = f" ON {field}" if field else ""
+1023        bucket = f"BUCKET {numerator} OUT OF {denominator}{field}" if numerator else ""
+1024        percent = self.sql(expression, "percent")
+1025        percent = f"{percent} PERCENT" if percent else ""
+1026        rows = self.sql(expression, "rows")
+1027        rows = f"{rows} ROWS" if rows else ""
+1028        size = self.sql(expression, "size")
+1029        seed = self.sql(expression, "seed")
+1030        seed = f" SEED ({seed})" if seed else ""
+1031        return f"{this} TABLESAMPLE{method}({bucket}{percent}{rows}{size}){seed}{alias}"
 
    
 
 
@@ -6596,15 +6645,15 @@ Default: True
    - 
    1026    def pivot_sql(self, expression: exp.Pivot) -> str:
-1027        this = self.sql(expression, "this")
-1028        alias = self.sql(expression, "alias")
-1029        alias = f" AS {alias}" if alias else ""
-1030        unpivot = expression.args.get("unpivot")
-1031        direction = "UNPIVOT" if unpivot else "PIVOT"
-1032        expressions = self.expressions(expression, key="expressions")
-1033        field = self.sql(expression, "field")
-1034        return f"{this} {direction}({expressions} FOR {field}){alias}"
+            
    1033    def pivot_sql(self, expression: exp.Pivot) -> str:
+1034        this = self.sql(expression, "this")
+1035        alias = self.sql(expression, "alias")
+1036        alias = f" AS {alias}" if alias else ""
+1037        unpivot = expression.args.get("unpivot")
+1038        direction = "UNPIVOT" if unpivot else "PIVOT"
+1039        expressions = self.expressions(expression, key="expressions")
+1040        field = self.sql(expression, "field")
+1041        return f"{this} {direction}({expressions} FOR {field}){alias}"
 
    
 
 
@@ -6622,8 +6671,8 @@ Default: True
    - 
    1036    def tuple_sql(self, expression: exp.Tuple) -> str:
-1037        return f"({self.expressions(expression, flat=True)})"
+            
    1043    def tuple_sql(self, expression: exp.Tuple) -> str:
+1044        return f"({self.expressions(expression, flat=True)})"
 
    
 
 
@@ -6641,13 +6690,13 @@ Default: True
    - 
    1039    def update_sql(self, expression: exp.Update) -> str:
-1040        this = self.sql(expression, "this")
-1041        set_sql = self.expressions(expression, flat=True)
-1042        from_sql = self.sql(expression, "from")
-1043        where_sql = self.sql(expression, "where")
-1044        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}"
-1045        return self.prepend_ctes(expression, sql)
+            
    1046    def update_sql(self, expression: exp.Update) -> str:
+1047        this = self.sql(expression, "this")
+1048        set_sql = self.expressions(expression, flat=True)
+1049        from_sql = self.sql(expression, "from")
+1050        where_sql = self.sql(expression, "where")
+1051        sql = f"UPDATE {this} SET {set_sql}{from_sql}{where_sql}"
+1052        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -6665,16 +6714,16 @@ Default: True
    - 
    1047    def values_sql(self, expression: exp.Values) -> str:
-1048        args = self.expressions(expression)
-1049        alias = self.sql(expression, "alias")
-1050        values = f"VALUES{self.seg('')}{args}"
-1051        values = (
-1052            f"({values})"
-1053            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
-1054            else values
-1055        )
-1056        return f"{values} AS {alias}" if alias else values
+            
    1054    def values_sql(self, expression: exp.Values) -> str:
+1055        args = self.expressions(expression)
+1056        alias = self.sql(expression, "alias")
+1057        values = f"VALUES{self.seg('')}{args}"
+1058        values = (
+1059            f"({values})"
+1060            if self.WRAP_DERIVED_VALUES and (alias or isinstance(expression.parent, exp.From))
+1061            else values
+1062        )
+1063        return f"{values} AS {alias}" if alias else values
 
    
 
 
@@ -6692,8 +6741,8 @@ Default: True
    - 
    1058    def var_sql(self, expression: exp.Var) -> str:
-1059        return self.sql(expression, "this")
+            
    1065    def var_sql(self, expression: exp.Var) -> str:
+1066        return self.sql(expression, "this")
 
    
 
 
@@ -6711,10 +6760,10 @@ Default: True
    - 
    1061    def into_sql(self, expression: exp.Into) -> str:
-1062        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
-1063        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
-1064        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
+            
    1068    def into_sql(self, expression: exp.Into) -> str:
+1069        temporary = " TEMPORARY" if expression.args.get("temporary") else ""
+1070        unlogged = " UNLOGGED" if expression.args.get("unlogged") else ""
+1071        return f"{self.seg('INTO')}{temporary or unlogged} {self.sql(expression, 'this')}"
 
    
 
 
@@ -6732,9 +6781,9 @@ Default: True
    - 
    1066    def from_sql(self, expression: exp.From) -> str:
-1067        expressions = self.expressions(expression, flat=True)
-1068        return f"{self.seg('FROM')} {expressions}"
+            
    1073    def from_sql(self, expression: exp.From) -> str:
+1074        expressions = self.expressions(expression, flat=True)
+1075        return f"{self.seg('FROM')} {expressions}"
 
    
 
 
@@ -6752,33 +6801,33 @@ Default: True
    - 
    1070    def group_sql(self, expression: exp.Group) -> str:
-1071        group_by = self.op_expressions("GROUP BY", expression)
-1072        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
-1073        grouping_sets = (
-1074            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
-1075        )
-1076
-1077        cube = expression.args.get("cube", [])
-1078        if seq_get(cube, 0) is True:
-1079            return f"{group_by}{self.seg('WITH CUBE')}"
-1080        else:
-1081            cube_sql = self.expressions(expression, key="cube", indent=False)
-1082            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
+            
    1077    def group_sql(self, expression: exp.Group) -> str:
+1078        group_by = self.op_expressions("GROUP BY", expression)
+1079        grouping_sets = self.expressions(expression, key="grouping_sets", indent=False)
+1080        grouping_sets = (
+1081            f"{self.seg('GROUPING SETS')} {self.wrap(grouping_sets)}" if grouping_sets else ""
+1082        )
 1083
-1084        rollup = expression.args.get("rollup", [])
-1085        if seq_get(rollup, 0) is True:
-1086            return f"{group_by}{self.seg('WITH ROLLUP')}"
+1084        cube = expression.args.get("cube", [])
+1085        if seq_get(cube, 0) is True:
+1086            return f"{group_by}{self.seg('WITH CUBE')}"
 1087        else:
-1088            rollup_sql = self.expressions(expression, key="rollup", indent=False)
-1089            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
+1088            cube_sql = self.expressions(expression, key="cube", indent=False)
+1089            cube_sql = f"{self.seg('CUBE')} {self.wrap(cube_sql)}" if cube_sql else ""
 1090
-1091        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
-1092
-1093        if expression.args.get("expressions") and groupings:
-1094            group_by = f"{group_by},"
-1095
-1096        return f"{group_by}{groupings}"
+1091        rollup = expression.args.get("rollup", [])
+1092        if seq_get(rollup, 0) is True:
+1093            return f"{group_by}{self.seg('WITH ROLLUP')}"
+1094        else:
+1095            rollup_sql = self.expressions(expression, key="rollup", indent=False)
+1096            rollup_sql = f"{self.seg('ROLLUP')} {self.wrap(rollup_sql)}" if rollup_sql else ""
+1097
+1098        groupings = csv(grouping_sets, cube_sql, rollup_sql, sep=",")
+1099
+1100        if expression.args.get("expressions") and groupings:
+1101            group_by = f"{group_by},"
+1102
+1103        return f"{group_by}{groupings}"
 
    
 
 
@@ -6796,9 +6845,9 @@ Default: True
    - 
    1098    def having_sql(self, expression: exp.Having) -> str:
-1099        this = self.indent(self.sql(expression, "this"))
-1100        return f"{self.seg('HAVING')}{self.sep()}{this}"
+            
    1105    def having_sql(self, expression: exp.Having) -> str:
+1106        this = self.indent(self.sql(expression, "this"))
+1107        return f"{self.seg('HAVING')}{self.sep()}{this}"
 
    
 
 
@@ -6816,36 +6865,36 @@ Default: True
    - 
    1102    def join_sql(self, expression: exp.Join) -> str:
-1103        op_sql = self.seg(
-1104            " ".join(
-1105                op
-1106                for op in (
-1107                    "NATURAL" if expression.args.get("natural") else None,
-1108                    expression.side,
-1109                    expression.kind,
-1110                    "JOIN",
-1111                )
-1112                if op
-1113            )
-1114        )
-1115        on_sql = self.sql(expression, "on")
-1116        using = expression.args.get("using")
-1117
-1118        if not on_sql and using:
-1119            on_sql = csv(*(self.sql(column) for column in using))
-1120
-1121        if on_sql:
-1122            on_sql = self.indent(on_sql, skip_first=True)
-1123            space = self.seg(" " * self.pad) if self.pretty else " "
-1124            if using:
-1125                on_sql = f"{space}USING ({on_sql})"
-1126            else:
-1127                on_sql = f"{space}ON {on_sql}"
-1128
-1129        expression_sql = self.sql(expression, "expression")
-1130        this_sql = self.sql(expression, "this")
-1131        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
+            
    1109    def join_sql(self, expression: exp.Join) -> str:
+1110        op_sql = self.seg(
+1111            " ".join(
+1112                op
+1113                for op in (
+1114                    "NATURAL" if expression.args.get("natural") else None,
+1115                    expression.side,
+1116                    expression.kind,
+1117                    "JOIN",
+1118                )
+1119                if op
+1120            )
+1121        )
+1122        on_sql = self.sql(expression, "on")
+1123        using = expression.args.get("using")
+1124
+1125        if not on_sql and using:
+1126            on_sql = csv(*(self.sql(column) for column in using))
+1127
+1128        if on_sql:
+1129            on_sql = self.indent(on_sql, skip_first=True)
+1130            space = self.seg(" " * self.pad) if self.pretty else " "
+1131            if using:
+1132                on_sql = f"{space}USING ({on_sql})"
+1133            else:
+1134                on_sql = f"{space}ON {on_sql}"
+1135
+1136        expression_sql = self.sql(expression, "expression")
+1137        this_sql = self.sql(expression, "this")
+1138        return f"{expression_sql}{op_sql} {this_sql}{on_sql}"
 
    
 
 
@@ -6863,10 +6912,10 @@ Default: True
    - 
    1133    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
-1134        args = self.expressions(expression, flat=True)
-1135        args = f"({args})" if len(args.split(",")) > 1 else args
-1136        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
+            
    1140    def lambda_sql(self, expression: exp.Lambda, arrow_sep: str = "->") -> str:
+1141        args = self.expressions(expression, flat=True)
+1142        args = f"({args})" if len(args.split(",")) > 1 else args
+1143        return f"{args} {arrow_sep} {self.sql(expression, 'this')}"
 
    
 
 
@@ -6884,23 +6933,23 @@ Default: True
    - 
    1138    def lateral_sql(self, expression: exp.Lateral) -> str:
-1139        this = self.sql(expression, "this")
-1140
-1141        if isinstance(expression.this, exp.Subquery):
-1142            return f"LATERAL {this}"
-1143
-1144        if expression.args.get("view"):
-1145            alias = expression.args["alias"]
-1146            columns = self.expressions(alias, key="columns", flat=True)
-1147            table = f" {alias.name}" if alias.name else ""
-1148            columns = f" AS {columns}" if columns else ""
-1149            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
-1150            return f"{op_sql}{self.sep()}{this}{table}{columns}"
-1151
-1152        alias = self.sql(expression, "alias")
-1153        alias = f" AS {alias}" if alias else ""
-1154        return f"LATERAL {this}{alias}"
+            
    1145    def lateral_sql(self, expression: exp.Lateral) -> str:
+1146        this = self.sql(expression, "this")
+1147
+1148        if isinstance(expression.this, exp.Subquery):
+1149            return f"LATERAL {this}"
+1150
+1151        if expression.args.get("view"):
+1152            alias = expression.args["alias"]
+1153            columns = self.expressions(alias, key="columns", flat=True)
+1154            table = f" {alias.name}" if alias.name else ""
+1155            columns = f" AS {columns}" if columns else ""
+1156            op_sql = self.seg(f"LATERAL VIEW{' OUTER' if expression.args.get('outer') else ''}")
+1157            return f"{op_sql}{self.sep()}{this}{table}{columns}"
+1158
+1159        alias = self.sql(expression, "alias")
+1160        alias = f" AS {alias}" if alias else ""
+1161        return f"LATERAL {this}{alias}"
 
    
 
 
@@ -6918,9 +6967,9 @@ Default: True
    - 
    1156    def limit_sql(self, expression: exp.Limit) -> str:
-1157        this = self.sql(expression, "this")
-1158        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
+            
    1163    def limit_sql(self, expression: exp.Limit) -> str:
+1164        this = self.sql(expression, "this")
+1165        return f"{this}{self.seg('LIMIT')} {self.sql(expression, 'expression')}"
 
    
 
 
@@ -6938,9 +6987,9 @@ Default: True
    - 
    1160    def offset_sql(self, expression: exp.Offset) -> str:
-1161        this = self.sql(expression, "this")
-1162        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
+            
    1167    def offset_sql(self, expression: exp.Offset) -> str:
+1168        this = self.sql(expression, "this")
+1169        return f"{this}{self.seg('OFFSET')} {self.sql(expression, 'expression')}"
 
    
 
 
@@ -6958,13 +7007,13 @@ Default: True
    - 
    1164    def lock_sql(self, expression: exp.Lock) -> str:
-1165        if self.LOCKING_READS_SUPPORTED:
-1166            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
-1167            return self.seg(f"FOR {lock_type}")
-1168
-1169        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
-1170        return ""
+            
    1171    def lock_sql(self, expression: exp.Lock) -> str:
+1172        if self.LOCKING_READS_SUPPORTED:
+1173            lock_type = "UPDATE" if expression.args["update"] else "SHARE"
+1174            return self.seg(f"FOR {lock_type}")
+1175
+1176        self.unsupported("Locking reads using 'FOR UPDATE/SHARE' are not supported")
+1177        return ""
 
    
 
 
@@ -6982,14 +7031,14 @@ Default: True
    - 
    1172    def literal_sql(self, expression: exp.Literal) -> str:
-1173        text = expression.this or ""
-1174        if expression.is_string:
-1175            text = text.replace(self.quote_end, self._escaped_quote_end)
-1176            if self.pretty:
-1177                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
-1178            text = f"{self.quote_start}{text}{self.quote_end}"
-1179        return text
+            
    1179    def literal_sql(self, expression: exp.Literal) -> str:
+1180        text = expression.this or ""
+1181        if expression.is_string:
+1182            text = text.replace(self.quote_end, self._escaped_quote_end)
+1183            if self.pretty:
+1184                text = text.replace("\n", self.SENTINEL_LINE_BREAK)
+1185            text = f"{self.quote_start}{text}{self.quote_end}"
+1186        return text
 
    
 
 
@@ -7007,18 +7056,18 @@ Default: True
    - 
    1181    def loaddata_sql(self, expression: exp.LoadData) -> str:
-1182        local = " LOCAL" if expression.args.get("local") else ""
-1183        inpath = f" INPATH {self.sql(expression, 'inpath')}"
-1184        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
-1185        this = f" INTO TABLE {self.sql(expression, 'this')}"
-1186        partition = self.sql(expression, "partition")
-1187        partition = f" {partition}" if partition else ""
-1188        input_format = self.sql(expression, "input_format")
-1189        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
-1190        serde = self.sql(expression, "serde")
-1191        serde = f" SERDE {serde}" if serde else ""
-1192        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
+            
    1188    def loaddata_sql(self, expression: exp.LoadData) -> str:
+1189        local = " LOCAL" if expression.args.get("local") else ""
+1190        inpath = f" INPATH {self.sql(expression, 'inpath')}"
+1191        overwrite = " OVERWRITE" if expression.args.get("overwrite") else ""
+1192        this = f" INTO TABLE {self.sql(expression, 'this')}"
+1193        partition = self.sql(expression, "partition")
+1194        partition = f" {partition}" if partition else ""
+1195        input_format = self.sql(expression, "input_format")
+1196        input_format = f" INPUTFORMAT {input_format}" if input_format else ""
+1197        serde = self.sql(expression, "serde")
+1198        serde = f" SERDE {serde}" if serde else ""
+1199        return f"LOAD DATA{local}{inpath}{overwrite}{this}{partition}{input_format}{serde}"
 
    
 
 
@@ -7036,8 +7085,8 @@ Default: True
    - 
    1194    def null_sql(self, *_) -> str:
-1195        return "NULL"
+            
    1201    def null_sql(self, *_) -> str:
+1202        return "NULL"
 
    
 
 
@@ -7055,8 +7104,8 @@ Default: True
    - 
    1197    def boolean_sql(self, expression: exp.Boolean) -> str:
-1198        return "TRUE" if expression.this else "FALSE"
+            
    1204    def boolean_sql(self, expression: exp.Boolean) -> str:
+1205        return "TRUE" if expression.this else "FALSE"
 
    
 
 
@@ -7074,10 +7123,10 @@ Default: True
    - 
    1200    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
-1201        this = self.sql(expression, "this")
-1202        this = f"{this} " if this else this
-1203        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
+            
    1207    def order_sql(self, expression: exp.Order, flat: bool = False) -> str:
+1208        this = self.sql(expression, "this")
+1209        this = f"{this} " if this else this
+1210        return self.op_expressions(f"{this}ORDER BY", expression, flat=this or flat)  # type: ignore
 
    
 
 
@@ -7095,8 +7144,8 @@ Default: True
    - 
    1205    def cluster_sql(self, expression: exp.Cluster) -> str:
-1206        return self.op_expressions("CLUSTER BY", expression)
+            
    1212    def cluster_sql(self, expression: exp.Cluster) -> str:
+1213        return self.op_expressions("CLUSTER BY", expression)
 
    
 
 
@@ -7114,8 +7163,8 @@ Default: True
    - 
    1208    def distribute_sql(self, expression: exp.Distribute) -> str:
-1209        return self.op_expressions("DISTRIBUTE BY", expression)
+            
    1215    def distribute_sql(self, expression: exp.Distribute) -> str:
+1216        return self.op_expressions("DISTRIBUTE BY", expression)
 
    
 
 
@@ -7133,8 +7182,8 @@ Default: True
    - 
    1211    def sort_sql(self, expression: exp.Sort) -> str:
-1212        return self.op_expressions("SORT BY", expression)
+            
    1218    def sort_sql(self, expression: exp.Sort) -> str:
+1219        return self.op_expressions("SORT BY", expression)
 
    
 
 
@@ -7152,36 +7201,36 @@ Default: True
    - 
    1214    def ordered_sql(self, expression: exp.Ordered) -> str:
-1215        desc = expression.args.get("desc")
-1216        asc = not desc
-1217
-1218        nulls_first = expression.args.get("nulls_first")
-1219        nulls_last = not nulls_first
-1220        nulls_are_large = self.null_ordering == "nulls_are_large"
-1221        nulls_are_small = self.null_ordering == "nulls_are_small"
-1222        nulls_are_last = self.null_ordering == "nulls_are_last"
-1223
-1224        sort_order = " DESC" if desc else ""
-1225        nulls_sort_change = ""
-1226        if nulls_first and (
-1227            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
-1228        ):
-1229            nulls_sort_change = " NULLS FIRST"
-1230        elif (
-1231            nulls_last
-1232            and ((asc and nulls_are_small) or (desc and nulls_are_large))
-1233            and not nulls_are_last
-1234        ):
-1235            nulls_sort_change = " NULLS LAST"
-1236
-1237        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
-1238            self.unsupported(
-1239                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
-1240            )
-1241            nulls_sort_change = ""
-1242
-1243        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
+            
    1221    def ordered_sql(self, expression: exp.Ordered) -> str:
+1222        desc = expression.args.get("desc")
+1223        asc = not desc
+1224
+1225        nulls_first = expression.args.get("nulls_first")
+1226        nulls_last = not nulls_first
+1227        nulls_are_large = self.null_ordering == "nulls_are_large"
+1228        nulls_are_small = self.null_ordering == "nulls_are_small"
+1229        nulls_are_last = self.null_ordering == "nulls_are_last"
+1230
+1231        sort_order = " DESC" if desc else ""
+1232        nulls_sort_change = ""
+1233        if nulls_first and (
+1234            (asc and nulls_are_large) or (desc and nulls_are_small) or nulls_are_last
+1235        ):
+1236            nulls_sort_change = " NULLS FIRST"
+1237        elif (
+1238            nulls_last
+1239            and ((asc and nulls_are_small) or (desc and nulls_are_large))
+1240            and not nulls_are_last
+1241        ):
+1242            nulls_sort_change = " NULLS LAST"
+1243
+1244        if nulls_sort_change and not self.NULL_ORDERING_SUPPORTED:
+1245            self.unsupported(
+1246                "Sorting in an ORDER BY on NULLS FIRST/NULLS LAST is not supported by this dialect"
+1247            )
+1248            nulls_sort_change = ""
+1249
+1250        return f"{self.sql(expression, 'this')}{sort_order}{nulls_sort_change}"
 
    
 
 
@@ -7199,31 +7248,31 @@ Default: True
    - 
    1245    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
-1246        partition = self.partition_by_sql(expression)
-1247        order = self.sql(expression, "order")
-1248        measures = self.sql(expression, "measures")
-1249        measures = self.seg(f"MEASURES {measures}") if measures else ""
-1250        rows = self.sql(expression, "rows")
-1251        rows = self.seg(rows) if rows else ""
-1252        after = self.sql(expression, "after")
-1253        after = self.seg(after) if after else ""
-1254        pattern = self.sql(expression, "pattern")
-1255        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
-1256        define = self.sql(expression, "define")
-1257        define = self.seg(f"DEFINE {define}") if define else ""
-1258        body = "".join(
-1259            (
-1260                partition,
-1261                order,
-1262                measures,
-1263                rows,
-1264                after,
-1265                pattern,
-1266                define,
-1267            )
-1268        )
-1269        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}"
+            
    1252    def matchrecognize_sql(self, expression: exp.MatchRecognize) -> str:
+1253        partition = self.partition_by_sql(expression)
+1254        order = self.sql(expression, "order")
+1255        measures = self.sql(expression, "measures")
+1256        measures = self.seg(f"MEASURES {measures}") if measures else ""
+1257        rows = self.sql(expression, "rows")
+1258        rows = self.seg(rows) if rows else ""
+1259        after = self.sql(expression, "after")
+1260        after = self.seg(after) if after else ""
+1261        pattern = self.sql(expression, "pattern")
+1262        pattern = self.seg(f"PATTERN ({pattern})") if pattern else ""
+1263        define = self.sql(expression, "define")
+1264        define = self.seg(f"DEFINE {define}") if define else ""
+1265        body = "".join(
+1266            (
+1267                partition,
+1268                order,
+1269                measures,
+1270                rows,
+1271                after,
+1272                pattern,
+1273                define,
+1274            )
+1275        )
+1276        return f"{self.seg('MATCH_RECOGNIZE')} {self.wrap(body)}"
 
    
 
 
@@ -7241,28 +7290,28 @@ Default: True
    - 
    1271    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
-1272        return csv(
-1273            *sqls,
-1274            *[self.sql(sql) for sql in expression.args.get("joins") or []],
-1275            self.sql(expression, "match"),
-1276            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
-1277            self.sql(expression, "where"),
-1278            self.sql(expression, "group"),
-1279            self.sql(expression, "having"),
-1280            self.sql(expression, "qualify"),
-1281            self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
-1282            if expression.args.get("windows")
-1283            else "",
-1284            self.sql(expression, "distribute"),
-1285            self.sql(expression, "sort"),
-1286            self.sql(expression, "cluster"),
-1287            self.sql(expression, "order"),
-1288            self.sql(expression, "limit"),
-1289            self.sql(expression, "offset"),
-1290            self.sql(expression, "lock"),
-1291            sep="",
-1292        )
+            
    1278    def query_modifiers(self, expression: exp.Expression, *sqls: str) -> str:
+1279        return csv(
+1280            *sqls,
+1281            *[self.sql(sql) for sql in expression.args.get("joins") or []],
+1282            self.sql(expression, "match"),
+1283            *[self.sql(sql) for sql in expression.args.get("laterals") or []],
+1284            self.sql(expression, "where"),
+1285            self.sql(expression, "group"),
+1286            self.sql(expression, "having"),
+1287            self.sql(expression, "qualify"),
+1288            self.seg("WINDOW ") + self.expressions(expression, "windows", flat=True)
+1289            if expression.args.get("windows")
+1290            else "",
+1291            self.sql(expression, "distribute"),
+1292            self.sql(expression, "sort"),
+1293            self.sql(expression, "cluster"),
+1294            self.sql(expression, "order"),
+1295            self.sql(expression, "limit"),
+1296            self.sql(expression, "offset"),
+1297            self.sql(expression, "lock"),
+1298            sep="",
+1299        )
 
    
 
 
@@ -7280,19 +7329,19 @@ Default: True
    - 
    1294    def select_sql(self, expression: exp.Select) -> str:
-1295        hint = self.sql(expression, "hint")
-1296        distinct = self.sql(expression, "distinct")
-1297        distinct = f" {distinct}" if distinct else ""
-1298        expressions = self.expressions(expression)
-1299        expressions = f"{self.sep()}{expressions}" if expressions else expressions
-1300        sql = self.query_modifiers(
-1301            expression,
-1302            f"SELECT{hint}{distinct}{expressions}",
-1303            self.sql(expression, "into", comment=False),
-1304            self.sql(expression, "from", comment=False),
-1305        )
-1306        return self.prepend_ctes(expression, sql)
+            
    1301    def select_sql(self, expression: exp.Select) -> str:
+1302        hint = self.sql(expression, "hint")
+1303        distinct = self.sql(expression, "distinct")
+1304        distinct = f" {distinct}" if distinct else ""
+1305        expressions = self.expressions(expression)
+1306        expressions = f"{self.sep()}{expressions}" if expressions else expressions
+1307        sql = self.query_modifiers(
+1308            expression,
+1309            f"SELECT{hint}{distinct}{expressions}",
+1310            self.sql(expression, "into", comment=False),
+1311            self.sql(expression, "from", comment=False),
+1312        )
+1313        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -7310,11 +7359,11 @@ Default: True
    - 
    1308    def schema_sql(self, expression: exp.Schema) -> str:
-1309        this = self.sql(expression, "this")
-1310        this = f"{this} " if this else ""
-1311        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
-1312        return f"{this}{sql}"
+            
    1315    def schema_sql(self, expression: exp.Schema) -> str:
+1316        this = self.sql(expression, "this")
+1317        this = f"{this} " if this else ""
+1318        sql = f"({self.sep('')}{self.expressions(expression)}{self.seg(')', sep='')}"
+1319        return f"{this}{sql}"
 
    
 
 
@@ -7332,12 +7381,12 @@ Default: True
    - 
    1314    def star_sql(self, expression: exp.Star) -> str:
-1315        except_ = self.expressions(expression, key="except", flat=True)
-1316        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
-1317        replace = self.expressions(expression, key="replace", flat=True)
-1318        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
-1319        return f"*{except_}{replace}"
+            
    1321    def star_sql(self, expression: exp.Star) -> str:
+1322        except_ = self.expressions(expression, key="except", flat=True)
+1323        except_ = f"{self.seg(self.STAR_MAPPING['except'])} ({except_})" if except_ else ""
+1324        replace = self.expressions(expression, key="replace", flat=True)
+1325        replace = f"{self.seg(self.STAR_MAPPING['replace'])} ({replace})" if replace else ""
+1326        return f"*{except_}{replace}"
 
    
 
 
@@ -7355,8 +7404,8 @@ Default: True
    - 
    1321    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
-1322        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
+            
    1328    def structkwarg_sql(self, expression: exp.StructKwarg) -> str:
+1329        return f"{self.sql(expression, 'this')} {self.sql(expression, 'expression')}"
 
    
 
 
@@ -7374,10 +7423,10 @@ Default: True
    - 
    1324    def parameter_sql(self, expression: exp.Parameter) -> str:
-1325        this = self.sql(expression, "this")
-1326        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
-1327        return f"{self.PARAMETER_TOKEN}{this}"
+            
    1331    def parameter_sql(self, expression: exp.Parameter) -> str:
+1332        this = self.sql(expression, "this")
+1333        this = f"{{{this}}}" if expression.args.get("wrapped") else f"{this}"
+1334        return f"{self.PARAMETER_TOKEN}{this}"
 
    
 
 
@@ -7395,12 +7444,12 @@ Default: True
    - 
    1329    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
-1330        this = self.sql(expression, "this")
-1331        kind = expression.text("kind")
-1332        if kind:
-1333            kind = f"{kind}."
-1334        return f"@@{kind}{this}"
+            
    1336    def sessionparameter_sql(self, expression: exp.SessionParameter) -> str:
+1337        this = self.sql(expression, "this")
+1338        kind = expression.text("kind")
+1339        if kind:
+1340            kind = f"{kind}."
+1341        return f"@@{kind}{this}"
 
    
 
 
@@ -7418,8 +7467,8 @@ Default: True
    - 
    1336    def placeholder_sql(self, expression: exp.Placeholder) -> str:
-1337        return f":{expression.name}" if expression.name else "?"
+            
    1343    def placeholder_sql(self, expression: exp.Placeholder) -> str:
+1344        return f":{expression.name}" if expression.name else "?"
 
    
 
 
@@ -7431,23 +7480,24 @@ Default: True
 
    
             
         def
-        subquery_sql(self, expression: sqlglot.expressions.Subquery) -> str:
+        subquery_sql(self, expression: sqlglot.expressions.Subquery, sep: str = ' AS ') -> str:
 
                 
 
     
    
     
-            
    1339    def subquery_sql(self, expression: exp.Subquery) -> str:
-1340        alias = self.sql(expression, "alias")
-1341
-1342        sql = self.query_modifiers(
-1343            expression,
-1344            self.wrap(expression),
-1345            self.expressions(expression, key="pivots", sep=" "),
-1346            f" AS {alias}" if alias else "",
-1347        )
-1348
-1349        return self.prepend_ctes(expression, sql)
+            
    1346    def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str:
+1347        alias = self.sql(expression, "alias")
+1348        alias = f"{sep}{alias}" if alias else ""
+1349
+1350        sql = self.query_modifiers(
+1351            expression,
+1352            self.wrap(expression),
+1353            self.expressions(expression, key="pivots", sep=" "),
+1354            alias,
+1355        )
+1356
+1357        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -7465,9 +7515,9 @@ Default: True
 
     
    
     
-            
    1351    def qualify_sql(self, expression: exp.Qualify) -> str:
-1352        this = self.indent(self.sql(expression, "this"))
-1353        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
+            
    1359    def qualify_sql(self, expression: exp.Qualify) -> str:
+1360        this = self.indent(self.sql(expression, "this"))
+1361        return f"{self.seg('QUALIFY')}{self.sep()}{this}"
 
    
 
 
@@ -7485,11 +7535,11 @@ Default: True
 
     
    
     
-            
    1355    def union_sql(self, expression: exp.Union) -> str:
-1356        return self.prepend_ctes(
-1357            expression,
-1358            self.set_operation(expression, self.union_op(expression)),
-1359        )
+            
    1363    def union_sql(self, expression: exp.Union) -> str:
+1364        return self.prepend_ctes(
+1365            expression,
+1366            self.set_operation(expression, self.union_op(expression)),
+1367        )
 
    
 
 
@@ -7507,10 +7557,10 @@ Default: True
 
     
    
     
-            
    1361    def union_op(self, expression: exp.Union) -> str:
-1362        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
-1363        kind = kind if expression.args.get("distinct") else " ALL"
-1364        return f"UNION{kind}"
+            
    1369    def union_op(self, expression: exp.Union) -> str:
+1370        kind = " DISTINCT" if self.EXPLICIT_UNION else ""
+1371        kind = kind if expression.args.get("distinct") else " ALL"
+1372        return f"UNION{kind}"
 
    
 
 
@@ -7528,19 +7578,19 @@ Default: True
 
     
    
     
-            
    1366    def unnest_sql(self, expression: exp.Unnest) -> str:
-1367        args = self.expressions(expression, flat=True)
-1368        alias = expression.args.get("alias")
-1369        if alias and self.unnest_column_only:
-1370            columns = alias.columns
-1371            alias = self.sql(columns[0]) if columns else ""
-1372        else:
-1373            alias = self.sql(expression, "alias")
-1374        alias = f" AS {alias}" if alias else alias
-1375        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
-1376        offset = expression.args.get("offset")
-1377        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
-1378        return f"UNNEST({args}){ordinality}{alias}{offset}"
+            
    1374    def unnest_sql(self, expression: exp.Unnest) -> str:
+1375        args = self.expressions(expression, flat=True)
+1376        alias = expression.args.get("alias")
+1377        if alias and self.unnest_column_only:
+1378            columns = alias.columns
+1379            alias = self.sql(columns[0]) if columns else ""
+1380        else:
+1381            alias = self.sql(expression, "alias")
+1382        alias = f" AS {alias}" if alias else alias
+1383        ordinality = " WITH ORDINALITY" if expression.args.get("ordinality") else ""
+1384        offset = expression.args.get("offset")
+1385        offset = f" WITH OFFSET AS {self.sql(offset)}" if offset else ""
+1386        return f"UNNEST({args}){ordinality}{alias}{offset}"
 
    
 
 
@@ -7558,9 +7608,9 @@ Default: True
 
     
    
     
-            
    1380    def where_sql(self, expression: exp.Where) -> str:
-1381        this = self.indent(self.sql(expression, "this"))
-1382        return f"{self.seg('WHERE')}{self.sep()}{this}"
+            
    1388    def where_sql(self, expression: exp.Where) -> str:
+1389        this = self.indent(self.sql(expression, "this"))
+1390        return f"{self.seg('WHERE')}{self.sep()}{this}"
 
    
 
 
@@ -7578,28 +7628,28 @@ Default: True
 
     
    
     
-            
    1384    def window_sql(self, expression: exp.Window) -> str:
-1385        this = self.sql(expression, "this")
-1386
-1387        partition = self.partition_by_sql(expression)
-1388
-1389        order = expression.args.get("order")
-1390        order_sql = self.order_sql(order, flat=True) if order else ""
-1391
-1392        partition_sql = partition + " " if partition and order else partition
-1393
-1394        spec = expression.args.get("spec")
-1395        spec_sql = " " + self.window_spec_sql(spec) if spec else ""
+            
    1392    def window_sql(self, expression: exp.Window) -> str:
+1393        this = self.sql(expression, "this")
+1394
+1395        partition = self.partition_by_sql(expression)
 1396
-1397        alias = self.sql(expression, "alias")
-1398        this = f"{this} {'AS' if expression.arg_key == 'windows' else 'OVER'}"
+1397        order = expression.args.get("order")
+1398        order_sql = self.order_sql(order, flat=True) if order else ""
 1399
-1400        if not partition and not order and not spec and alias:
-1401            return f"{this} {alias}"
-1402
-1403        window_args = alias + partition_sql + order_sql + spec_sql
+1400        partition_sql = partition + " " if partition and order else partition
+1401
+1402        spec = expression.args.get("spec")
+1403        spec_sql = " " + self.window_spec_sql(spec) if spec else ""
 1404
-1405        return f"{this} ({window_args.strip()})"
+1405        alias = self.sql(expression, "alias")
+1406        this = f"{this} {'AS' if expression.arg_key == 'windows' else 'OVER'}"
+1407
+1408        if not partition and not order and not spec and alias:
+1409            return f"{this} {alias}"
+1410
+1411        window_args = alias + partition_sql + order_sql + spec_sql
+1412
+1413        return f"{this} ({window_args.strip()})"
 
    
 
 
@@ -7617,9 +7667,9 @@ Default: True
 
     
    
     
-            
    1407    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
-1408        partition = self.expressions(expression, key="partition_by", flat=True)
-1409        return f"PARTITION BY {partition}" if partition else ""
+            
    1415    def partition_by_sql(self, expression: exp.Window | exp.MatchRecognize) -> str:
+1416        partition = self.expressions(expression, key="partition_by", flat=True)
+1417        return f"PARTITION BY {partition}" if partition else ""
 
    
 
 
@@ -7637,14 +7687,14 @@ Default: True
 
     
    
     
-            
    1411    def window_spec_sql(self, expression: exp.WindowSpec) -> str:
-1412        kind = self.sql(expression, "kind")
-1413        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
-1414        end = (
-1415            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
-1416            or "CURRENT ROW"
-1417        )
-1418        return f"{kind} BETWEEN {start} AND {end}"
+            
    1419    def window_spec_sql(self, expression: exp.WindowSpec) -> str:
+1420        kind = self.sql(expression, "kind")
+1421        start = csv(self.sql(expression, "start"), self.sql(expression, "start_side"), sep=" ")
+1422        end = (
+1423            csv(self.sql(expression, "end"), self.sql(expression, "end_side"), sep=" ")
+1424            or "CURRENT ROW"
+1425        )
+1426        return f"{kind} BETWEEN {start} AND {end}"
 
    
 
 
@@ -7662,10 +7712,10 @@ Default: True
 
     
    
     
-            
    1420    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
-1421        this = self.sql(expression, "this")
-1422        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
-1423        return f"{this} WITHIN GROUP ({expression_sql})"
+            
    1428    def withingroup_sql(self, expression: exp.WithinGroup) -> str:
+1429        this = self.sql(expression, "this")
+1430        expression_sql = self.sql(expression, "expression")[1:]  # order has a leading space
+1431        return f"{this} WITHIN GROUP ({expression_sql})"
 
    
 
 
@@ -7683,11 +7733,11 @@ Default: True
 
     
    
     
-            
    1425    def between_sql(self, expression: exp.Between) -> str:
-1426        this = self.sql(expression, "this")
-1427        low = self.sql(expression, "low")
-1428        high = self.sql(expression, "high")
-1429        return f"{this} BETWEEN {low} AND {high}"
+            
    1433    def between_sql(self, expression: exp.Between) -> str:
+1434        this = self.sql(expression, "this")
+1435        low = self.sql(expression, "low")
+1436        high = self.sql(expression, "high")
+1437        return f"{this} BETWEEN {low} AND {high}"
 
    
 
 
@@ -7705,11 +7755,11 @@ Default: True
 
     
    
     
-            
    1431    def bracket_sql(self, expression: exp.Bracket) -> str:
-1432        expressions = apply_index_offset(expression.expressions, self.index_offset)
-1433        expressions_sql = ", ".join(self.sql(e) for e in expressions)
-1434
-1435        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
+            
    1439    def bracket_sql(self, expression: exp.Bracket) -> str:
+1440        expressions = apply_index_offset(expression.expressions, self.index_offset)
+1441        expressions_sql = ", ".join(self.sql(e) for e in expressions)
+1442
+1443        return f"{self.sql(expression, 'this')}[{expressions_sql}]"
 
    
 
 
@@ -7727,8 +7777,8 @@ Default: True
 
     
    
     
-            
    1437    def all_sql(self, expression: exp.All) -> str:
-1438        return f"ALL {self.wrap(expression)}"
+            
    1445    def all_sql(self, expression: exp.All) -> str:
+1446        return f"ALL {self.wrap(expression)}"
 
    
 
 
@@ -7746,11 +7796,11 @@ Default: True
 
     
    
     
-            
    1440    def any_sql(self, expression: exp.Any) -> str:
-1441        this = self.sql(expression, "this")
-1442        if isinstance(expression.this, exp.Subqueryable):
-1443            this = self.wrap(this)
-1444        return f"ANY {this}"
+            
    1448    def any_sql(self, expression: exp.Any) -> str:
+1449        this = self.sql(expression, "this")
+1450        if isinstance(expression.this, exp.Subqueryable):
+1451            this = self.wrap(this)
+1452        return f"ANY {this}"
 
    
 
 
@@ -7768,8 +7818,8 @@ Default: True
 
     
    
     
-            
    1446    def exists_sql(self, expression: exp.Exists) -> str:
-1447        return f"EXISTS{self.wrap(expression)}"
+            
    1454    def exists_sql(self, expression: exp.Exists) -> str:
+1455        return f"EXISTS{self.wrap(expression)}"
 
    
 
 
@@ -7787,25 +7837,25 @@ Default: True
 
     
    
     
-            
    1449    def case_sql(self, expression: exp.Case) -> str:
-1450        this = self.sql(expression, "this")
-1451        statements = [f"CASE {this}" if this else "CASE"]
-1452
-1453        for e in expression.args["ifs"]:
-1454            statements.append(f"WHEN {self.sql(e, 'this')}")
-1455            statements.append(f"THEN {self.sql(e, 'true')}")
-1456
-1457        default = self.sql(expression, "default")
-1458
-1459        if default:
-1460            statements.append(f"ELSE {default}")
-1461
-1462        statements.append("END")
-1463
-1464        if self.pretty and self.text_width(statements) > self._max_text_width:
-1465            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+            
    1457    def case_sql(self, expression: exp.Case) -> str:
+1458        this = self.sql(expression, "this")
+1459        statements = [f"CASE {this}" if this else "CASE"]
+1460
+1461        for e in expression.args["ifs"]:
+1462            statements.append(f"WHEN {self.sql(e, 'this')}")
+1463            statements.append(f"THEN {self.sql(e, 'true')}")
+1464
+1465        default = self.sql(expression, "default")
 1466
-1467        return " ".join(statements)
+1467        if default:
+1468            statements.append(f"ELSE {default}")
+1469
+1470        statements.append("END")
+1471
+1472        if self.pretty and self.text_width(statements) > self._max_text_width:
+1473            return self.indent("\n".join(statements), skip_first=True, skip_last=True)
+1474
+1475        return " ".join(statements)
 
    
 
 
@@ -7823,10 +7873,10 @@ Default: True
 
     
    
     
-            
    1469    def constraint_sql(self, expression: exp.Constraint) -> str:
-1470        this = self.sql(expression, "this")
-1471        expressions = self.expressions(expression, flat=True)
-1472        return f"CONSTRAINT {this} {expressions}"
+            
    1477    def constraint_sql(self, expression: exp.Constraint) -> str:
+1478        this = self.sql(expression, "this")
+1479        expressions = self.expressions(expression, flat=True)
+1480        return f"CONSTRAINT {this} {expressions}"
 
    
 
 
@@ -7844,10 +7894,10 @@ Default: True
 
     
    
     
-            
    1474    def extract_sql(self, expression: exp.Extract) -> str:
-1475        this = self.sql(expression, "this")
-1476        expression_sql = self.sql(expression, "expression")
-1477        return f"EXTRACT({this} FROM {expression_sql})"
+            
    1482    def extract_sql(self, expression: exp.Extract) -> str:
+1483        this = self.sql(expression, "this")
+1484        expression_sql = self.sql(expression, "expression")
+1485        return f"EXTRACT({this} FROM {expression_sql})"
 
    
 
 
@@ -7865,15 +7915,15 @@ Default: True
 
     
    
     
-            
    1479    def trim_sql(self, expression: exp.Trim) -> str:
-1480        trim_type = self.sql(expression, "position")
-1481
-1482        if trim_type == "LEADING":
-1483            return self.func("LTRIM", expression.this)
-1484        elif trim_type == "TRAILING":
-1485            return self.func("RTRIM", expression.this)
-1486        else:
-1487            return self.func("TRIM", expression.this, expression.expression)
+            
    1487    def trim_sql(self, expression: exp.Trim) -> str:
+1488        trim_type = self.sql(expression, "position")
+1489
+1490        if trim_type == "LEADING":
+1491            return self.func("LTRIM", expression.this)
+1492        elif trim_type == "TRAILING":
+1493            return self.func("RTRIM", expression.this)
+1494        else:
+1495            return self.func("TRIM", expression.this, expression.expression)
 
    
 
 
@@ -7891,10 +7941,10 @@ Default: True
 
     
    
     
-            
    1489    def concat_sql(self, expression: exp.Concat) -> str:
-1490        if len(expression.expressions) == 1:
-1491            return self.sql(expression.expressions[0])
-1492        return self.function_fallback_sql(expression)
+            
    1497    def concat_sql(self, expression: exp.Concat) -> str:
+1498        if len(expression.expressions) == 1:
+1499            return self.sql(expression.expressions[0])
+1500        return self.function_fallback_sql(expression)
 
    
 
 
@@ -7912,9 +7962,9 @@ Default: True
 
     
    
     
-            
    1494    def check_sql(self, expression: exp.Check) -> str:
-1495        this = self.sql(expression, key="this")
-1496        return f"CHECK ({this})"
+            
    1502    def check_sql(self, expression: exp.Check) -> str:
+1503        this = self.sql(expression, key="this")
+1504        return f"CHECK ({this})"
 
    
 
 
@@ -7932,15 +7982,15 @@ Default: True
 
     
    
     
-            
    1498    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
-1499        expressions = self.expressions(expression, flat=True)
-1500        reference = self.sql(expression, "reference")
-1501        reference = f" {reference}" if reference else ""
-1502        delete = self.sql(expression, "delete")
-1503        delete = f" ON DELETE {delete}" if delete else ""
-1504        update = self.sql(expression, "update")
-1505        update = f" ON UPDATE {update}" if update else ""
-1506        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
+            
    1506    def foreignkey_sql(self, expression: exp.ForeignKey) -> str:
+1507        expressions = self.expressions(expression, flat=True)
+1508        reference = self.sql(expression, "reference")
+1509        reference = f" {reference}" if reference else ""
+1510        delete = self.sql(expression, "delete")
+1511        delete = f" ON DELETE {delete}" if delete else ""
+1512        update = self.sql(expression, "update")
+1513        update = f" ON UPDATE {update}" if update else ""
+1514        return f"FOREIGN KEY ({expressions}){reference}{delete}{update}"
 
    
 
 
@@ -7958,11 +8008,11 @@ Default: True
 
     
    
     
-            
    1508    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
-1509        expressions = self.expressions(expression, flat=True)
-1510        options = self.expressions(expression, "options", flat=True, sep=" ")
-1511        options = f" {options}" if options else ""
-1512        return f"PRIMARY KEY ({expressions}){options}"
+            
    1516    def primarykey_sql(self, expression: exp.ForeignKey) -> str:
+1517        expressions = self.expressions(expression, flat=True)
+1518        options = self.expressions(expression, "options", flat=True, sep=" ")
+1519        options = f" {options}" if options else ""
+1520        return f"PRIMARY KEY ({expressions}){options}"
 
    
 
 
@@ -7980,9 +8030,9 @@ Default: True
 
     
    
     
-            
    1514    def unique_sql(self, expression: exp.Unique) -> str:
-1515        columns = self.expressions(expression, key="expressions")
-1516        return f"UNIQUE ({columns})"
+            
    1522    def unique_sql(self, expression: exp.Unique) -> str:
+1523        columns = self.expressions(expression, key="expressions")
+1524        return f"UNIQUE ({columns})"
 
    
 
 
@@ -8000,10 +8050,10 @@ Default: True
 
     
    
     
-            
    1518    def if_sql(self, expression: exp.If) -> str:
-1519        return self.case_sql(
-1520            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
-1521        )
+            
    1526    def if_sql(self, expression: exp.If) -> str:
+1527        return self.case_sql(
+1528            exp.Case(ifs=[expression.copy()], default=expression.args.get("false"))
+1529        )
 
    
 
 
@@ -8021,22 +8071,22 @@ Default: True
 
     
    
     
-            
    1523    def in_sql(self, expression: exp.In) -> str:
-1524        query = expression.args.get("query")
-1525        unnest = expression.args.get("unnest")
-1526        field = expression.args.get("field")
-1527        is_global = " GLOBAL" if expression.args.get("is_global") else ""
-1528
-1529        if query:
-1530            in_sql = self.wrap(query)
-1531        elif unnest:
-1532            in_sql = self.in_unnest_op(unnest)
-1533        elif field:
-1534            in_sql = self.sql(field)
-1535        else:
-1536            in_sql = f"({self.expressions(expression, flat=True)})"
-1537
-1538        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
+            
    1531    def in_sql(self, expression: exp.In) -> str:
+1532        query = expression.args.get("query")
+1533        unnest = expression.args.get("unnest")
+1534        field = expression.args.get("field")
+1535        is_global = " GLOBAL" if expression.args.get("is_global") else ""
+1536
+1537        if query:
+1538            in_sql = self.wrap(query)
+1539        elif unnest:
+1540            in_sql = self.in_unnest_op(unnest)
+1541        elif field:
+1542            in_sql = self.sql(field)
+1543        else:
+1544            in_sql = f"({self.expressions(expression, flat=True)})"
+1545
+1546        return f"{self.sql(expression, 'this')}{is_global} IN {in_sql}"
 
    
 
 
@@ -8054,8 +8104,8 @@ Default: True
 
     
    
     
-            
    1540    def in_unnest_op(self, unnest: exp.Unnest) -> str:
-1541        return f"(SELECT {self.sql(unnest)})"
+            
    1548    def in_unnest_op(self, unnest: exp.Unnest) -> str:
+1549        return f"(SELECT {self.sql(unnest)})"
 
    
 
 
@@ -8073,19 +8123,19 @@ Default: True
 
     
    
     
-            
    1543    def interval_sql(self, expression: exp.Interval) -> str:
-1544        this = expression.args.get("this")
-1545        if this:
-1546            this = (
-1547                f" {this}"
-1548                if isinstance(this, exp.Literal) or isinstance(this, exp.Paren)
-1549                else f" ({this})"
-1550            )
-1551        else:
-1552            this = ""
-1553        unit = expression.args.get("unit")
-1554        unit = f" {unit}" if unit else ""
-1555        return f"INTERVAL{this}{unit}"
+            
    1551    def interval_sql(self, expression: exp.Interval) -> str:
+1552        this = expression.args.get("this")
+1553        if this:
+1554            this = (
+1555                f" {this}"
+1556                if isinstance(this, exp.Literal) or isinstance(this, exp.Paren)
+1557                else f" ({this})"
+1558            )
+1559        else:
+1560            this = ""
+1561        unit = expression.args.get("unit")
+1562        unit = f" {unit}" if unit else ""
+1563        return f"INTERVAL{this}{unit}"
 
    
 
 
@@ -8103,8 +8153,8 @@ Default: True
 
     
    
     
-            
    1557    def return_sql(self, expression: exp.Return) -> str:
-1558        return f"RETURN {self.sql(expression, 'this')}"
+            
    1565    def return_sql(self, expression: exp.Return) -> str:
+1566        return f"RETURN {self.sql(expression, 'this')}"
 
    
 
 
@@ -8122,13 +8172,13 @@ Default: True
 
     
    
     
-            
    1560    def reference_sql(self, expression: exp.Reference) -> str:
-1561        this = self.sql(expression, "this")
-1562        expressions = self.expressions(expression, flat=True)
-1563        expressions = f"({expressions})" if expressions else ""
-1564        options = self.expressions(expression, "options", flat=True, sep=" ")
-1565        options = f" {options}" if options else ""
-1566        return f"REFERENCES {this}{expressions}{options}"
+            
    1568    def reference_sql(self, expression: exp.Reference) -> str:
+1569        this = self.sql(expression, "this")
+1570        expressions = self.expressions(expression, flat=True)
+1571        expressions = f"({expressions})" if expressions else ""
+1572        options = self.expressions(expression, "options", flat=True, sep=" ")
+1573        options = f" {options}" if options else ""
+1574        return f"REFERENCES {this}{expressions}{options}"
 
    
 
 
@@ -8146,8 +8196,8 @@ Default: True
 
     
    
     
-            
    1568    def anonymous_sql(self, expression: exp.Anonymous) -> str:
-1569        return self.func(expression.name, *expression.expressions)
+            
    1576    def anonymous_sql(self, expression: exp.Anonymous) -> str:
+1577        return self.func(expression.name, *expression.expressions)
 
    
 
 
@@ -8165,14 +8215,14 @@ Default: True
 
     
    
     
-            
    1571    def paren_sql(self, expression: exp.Paren) -> str:
-1572        if isinstance(expression.unnest(), exp.Select):
-1573            sql = self.wrap(expression)
-1574        else:
-1575            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
-1576            sql = f"({sql}{self.seg(')', sep='')}"
-1577
-1578        return self.prepend_ctes(expression, sql)
+            
    1579    def paren_sql(self, expression: exp.Paren) -> str:
+1580        if isinstance(expression.unnest(), exp.Select):
+1581            sql = self.wrap(expression)
+1582        else:
+1583            sql = self.seg(self.indent(self.sql(expression, "this")), sep="")
+1584            sql = f"({sql}{self.seg(')', sep='')}"
+1585
+1586        return self.prepend_ctes(expression, sql)
 
    
 
 
@@ -8190,11 +8240,11 @@ Default: True
 
     
    
     
-            
    1580    def neg_sql(self, expression: exp.Neg) -> str:
-1581        # This makes sure we don't convert "- - 5" to "--5", which is a comment
-1582        this_sql = self.sql(expression, "this")
-1583        sep = " " if this_sql[0] == "-" else ""
-1584        return f"-{sep}{this_sql}"
+            
    1588    def neg_sql(self, expression: exp.Neg) -> str:
+1589        # This makes sure we don't convert "- - 5" to "--5", which is a comment
+1590        this_sql = self.sql(expression, "this")
+1591        sep = " " if this_sql[0] == "-" else ""
+1592        return f"-{sep}{this_sql}"
 
    
 
 
@@ -8212,8 +8262,8 @@ Default: True
 
     
    
     
-            
    1586    def not_sql(self, expression: exp.Not) -> str:
-1587        return f"NOT {self.sql(expression, 'this')}"
+            
    1594    def not_sql(self, expression: exp.Not) -> str:
+1595        return f"NOT {self.sql(expression, 'this')}"
 
    
 
 
@@ -8231,10 +8281,10 @@ Default: True
 
     
    
     
-            
    1589    def alias_sql(self, expression: exp.Alias) -> str:
-1590        to_sql = self.sql(expression, "alias")
-1591        to_sql = f" AS {to_sql}" if to_sql else ""
-1592        return f"{self.sql(expression, 'this')}{to_sql}"
+            
    1597    def alias_sql(self, expression: exp.Alias) -> str:
+1598        to_sql = self.sql(expression, "alias")
+1599        to_sql = f" AS {to_sql}" if to_sql else ""
+1600        return f"{self.sql(expression, 'this')}{to_sql}"
 
    
 
 
@@ -8252,8 +8302,8 @@ Default: True
 
     
    
     
-            
    1594    def aliases_sql(self, expression: exp.Aliases) -> str:
-1595        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
+            
    1602    def aliases_sql(self, expression: exp.Aliases) -> str:
+1603        return f"{self.sql(expression, 'this')} AS ({self.expressions(expression, flat=True)})"
 
    
 
 
@@ -8271,10 +8321,10 @@ Default: True
 
     
    
     
-            
    1597    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
-1598        this = self.sql(expression, "this")
-1599        zone = self.sql(expression, "zone")
-1600        return f"{this} AT TIME ZONE {zone}"
+            
    1605    def attimezone_sql(self, expression: exp.AtTimeZone) -> str:
+1606        this = self.sql(expression, "this")
+1607        zone = self.sql(expression, "zone")
+1608        return f"{this} AT TIME ZONE {zone}"
 
    
 
 
@@ -8292,8 +8342,8 @@ Default: True
 
     
    
     
-            
    1602    def add_sql(self, expression: exp.Add) -> str:
-1603        return self.binary(expression, "+")
+            
    1610    def add_sql(self, expression: exp.Add) -> str:
+1611        return self.binary(expression, "+")
 
    
 
 
@@ -8311,8 +8361,8 @@ Default: True
 
     
    
     
-            
    1605    def and_sql(self, expression: exp.And) -> str:
-1606        return self.connector_sql(expression, "AND")
+            
    1613    def and_sql(self, expression: exp.And) -> str:
+1614        return self.connector_sql(expression, "AND")
 
    
 
 
@@ -8330,13 +8380,13 @@ Default: True
 
     
    
     
-            
    1608    def connector_sql(self, expression: exp.Connector, op: str) -> str:
-1609        if not self.pretty:
-1610            return self.binary(expression, op)
-1611
-1612        sqls = tuple(self.sql(e) for e in expression.flatten(unnest=False))
-1613        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
-1614        return f"{sep}{op} ".join(sqls)
+            
    1616    def connector_sql(self, expression: exp.Connector, op: str) -> str:
+1617        if not self.pretty:
+1618            return self.binary(expression, op)
+1619
+1620        sqls = tuple(self.sql(e) for e in expression.flatten(unnest=False))
+1621        sep = "\n" if self.text_width(sqls) > self._max_text_width else " "
+1622        return f"{sep}{op} ".join(sqls)
 
    
 
 
@@ -8354,8 +8404,8 @@ Default: True
 
     
    
     
-            
    1616    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
-1617        return self.binary(expression, "&")
+            
    1624    def bitwiseand_sql(self, expression: exp.BitwiseAnd) -> str:
+1625        return self.binary(expression, "&")
 
    
 
 
@@ -8373,8 +8423,8 @@ Default: True
 
     
    
     
-            
    1619    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
-1620        return self.binary(expression, "<<")
+            
    1627    def bitwiseleftshift_sql(self, expression: exp.BitwiseLeftShift) -> str:
+1628        return self.binary(expression, "<<")
 
    
 
 
@@ -8392,8 +8442,8 @@ Default: True
 
     
    
     
-            
    1622    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
-1623        return f"~{self.sql(expression, 'this')}"
+            
    1630    def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
+1631        return f"~{self.sql(expression, 'this')}"
 
    
 
 
@@ -8411,8 +8461,8 @@ Default: True
 
     
    
     
-            
    1625    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
-1626        return self.binary(expression, "|")
+            
    1633    def bitwiseor_sql(self, expression: exp.BitwiseOr) -> str:
+1634        return self.binary(expression, "|")
 
    
 
 
@@ -8430,8 +8480,8 @@ Default: True
 
     
    
     
-            
    1628    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
-1629        return self.binary(expression, ">>")
+            
    1636    def bitwiserightshift_sql(self, expression: exp.BitwiseRightShift) -> str:
+1637        return self.binary(expression, ">>")
 
    
 
 
@@ -8449,8 +8499,8 @@ Default: True
 
     
    
     
-            
    1631    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
-1632        return self.binary(expression, "^")
+            
    1639    def bitwisexor_sql(self, expression: exp.BitwiseXor) -> str:
+1640        return self.binary(expression, "^")
 
    
 
 
@@ -8468,8 +8518,8 @@ Default: True
 
     
    
     
-            
    1634    def cast_sql(self, expression: exp.Cast) -> str:
-1635        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+            
    1642    def cast_sql(self, expression: exp.Cast) -> str:
+1643        return f"CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
 
    
 
 
@@ -8487,9 +8537,9 @@ Default: True
 
     
    
     
-            
    1637    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
-1638        zone = self.sql(expression, "this")
-1639        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
+            
    1645    def currentdate_sql(self, expression: exp.CurrentDate) -> str:
+1646        zone = self.sql(expression, "this")
+1647        return f"CURRENT_DATE({zone})" if zone else "CURRENT_DATE"
 
    
 
 
@@ -8507,8 +8557,8 @@ Default: True
 
     
    
     
-            
    1641    def collate_sql(self, expression: exp.Collate) -> str:
-1642        return self.binary(expression, "COLLATE")
+            
    1649    def collate_sql(self, expression: exp.Collate) -> str:
+1650        return self.binary(expression, "COLLATE")
 
    
 
 
@@ -8526,8 +8576,31 @@ Default: True
 
     
    
     
-            
    1644    def command_sql(self, expression: exp.Command) -> str:
-1645        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
+            
    1652    def command_sql(self, expression: exp.Command) -> str:
+1653        return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
+
    
+
+
+    
+
+                            
    
+                            
    
+                                        
+
    
+            
+        def
+        comment_sql(self, expression: sqlglot.expressions.Comment) -> str:
+
+                
+
+    
    
+    
+            
    1655    def comment_sql(self, expression: exp.Comment) -> str:
+1656        this = self.sql(expression, "this")
+1657        kind = expression.args["kind"]
+1658        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
+1659        expression_sql = self.sql(expression, "expression")
+1660        return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}"
 
    
 
 
@@ -8545,8 +8618,8 @@ Default: True
 
     
    
     
-            
    1647    def transaction_sql(self, *_) -> str:
-1648        return "BEGIN"
+            
    1662    def transaction_sql(self, *_) -> str:
+1663        return "BEGIN"
 
    
 
 
@@ -8564,12 +8637,12 @@ Default: True
 
     
    
     
-            
    1650    def commit_sql(self, expression: exp.Commit) -> str:
-1651        chain = expression.args.get("chain")
-1652        if chain is not None:
-1653            chain = " AND CHAIN" if chain else " AND NO CHAIN"
-1654
-1655        return f"COMMIT{chain or ''}"
+            
    1665    def commit_sql(self, expression: exp.Commit) -> str:
+1666        chain = expression.args.get("chain")
+1667        if chain is not None:
+1668            chain = " AND CHAIN" if chain else " AND NO CHAIN"
+1669
+1670        return f"COMMIT{chain or ''}"
 
    
 
 
@@ -8587,10 +8660,10 @@ Default: True
 
     
    
     
-            
    1657    def rollback_sql(self, expression: exp.Rollback) -> str:
-1658        savepoint = expression.args.get("savepoint")
-1659        savepoint = f" TO {savepoint}" if savepoint else ""
-1660        return f"ROLLBACK{savepoint}"
+            
    1672    def rollback_sql(self, expression: exp.Rollback) -> str:
+1673        savepoint = expression.args.get("savepoint")
+1674        savepoint = f" TO {savepoint}" if savepoint else ""
+1675        return f"ROLLBACK{savepoint}"
 
    
 
 
@@ -8608,25 +8681,25 @@ Default: True
 
     
    
     
-            
    1662    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
-1663        this = self.sql(expression, "this")
-1664
-1665        dtype = self.sql(expression, "dtype")
-1666        if dtype:
-1667            collate = self.sql(expression, "collate")
-1668            collate = f" COLLATE {collate}" if collate else ""
-1669            using = self.sql(expression, "using")
-1670            using = f" USING {using}" if using else ""
-1671            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
-1672
-1673        default = self.sql(expression, "default")
-1674        if default:
-1675            return f"ALTER COLUMN {this} SET DEFAULT {default}"
-1676
-1677        if not expression.args.get("drop"):
-1678            self.unsupported("Unsupported ALTER COLUMN syntax")
+            
    1677    def altercolumn_sql(self, expression: exp.AlterColumn) -> str:
+1678        this = self.sql(expression, "this")
 1679
-1680        return f"ALTER COLUMN {this} DROP DEFAULT"
+1680        dtype = self.sql(expression, "dtype")
+1681        if dtype:
+1682            collate = self.sql(expression, "collate")
+1683            collate = f" COLLATE {collate}" if collate else ""
+1684            using = self.sql(expression, "using")
+1685            using = f" USING {using}" if using else ""
+1686            return f"ALTER COLUMN {this} TYPE {dtype}{collate}{using}"
+1687
+1688        default = self.sql(expression, "default")
+1689        if default:
+1690            return f"ALTER COLUMN {this} SET DEFAULT {default}"
+1691
+1692        if not expression.args.get("drop"):
+1693            self.unsupported("Unsupported ALTER COLUMN syntax")
+1694
+1695        return f"ALTER COLUMN {this} DROP DEFAULT"
 
    
 
 
@@ -8644,9 +8717,9 @@ Default: True
 
     
    
     
-            
    1682    def renametable_sql(self, expression: exp.RenameTable) -> str:
-1683        this = self.sql(expression, "this")
-1684        return f"RENAME TO {this}"
+            
    1697    def renametable_sql(self, expression: exp.RenameTable) -> str:
+1698        this = self.sql(expression, "this")
+1699        return f"RENAME TO {this}"
 
    
 
 
@@ -8664,20 +8737,20 @@ Default: True
 
     
    
     
-            
    1686    def altertable_sql(self, expression: exp.AlterTable) -> str:
-1687        actions = expression.args["actions"]
-1688
-1689        if isinstance(actions[0], exp.ColumnDef):
-1690            actions = self.expressions(expression, "actions", prefix="ADD COLUMN ")
-1691        elif isinstance(actions[0], exp.Schema):
-1692            actions = self.expressions(expression, "actions", prefix="ADD COLUMNS ")
-1693        elif isinstance(actions[0], exp.Delete):
-1694            actions = self.expressions(expression, "actions", flat=True)
-1695        else:
-1696            actions = self.expressions(expression, "actions")
-1697
-1698        exists = " IF EXISTS" if expression.args.get("exists") else ""
-1699        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
+            
    1701    def altertable_sql(self, expression: exp.AlterTable) -> str:
+1702        actions = expression.args["actions"]
+1703
+1704        if isinstance(actions[0], exp.ColumnDef):
+1705            actions = self.expressions(expression, "actions", prefix="ADD COLUMN ")
+1706        elif isinstance(actions[0], exp.Schema):
+1707            actions = self.expressions(expression, "actions", prefix="ADD COLUMNS ")
+1708        elif isinstance(actions[0], exp.Delete):
+1709            actions = self.expressions(expression, "actions", flat=True)
+1710        else:
+1711            actions = self.expressions(expression, "actions")
+1712
+1713        exists = " IF EXISTS" if expression.args.get("exists") else ""
+1714        return f"ALTER TABLE{exists} {self.sql(expression, 'this')} {actions}"
 
    
 
 
@@ -8695,10 +8768,10 @@ Default: True
 
     
    
     
-            
    1701    def droppartition_sql(self, expression: exp.DropPartition) -> str:
-1702        expressions = self.expressions(expression)
-1703        exists = " IF EXISTS " if expression.args.get("exists") else " "
-1704        return f"DROP{exists}{expressions}"
+            
    1716    def droppartition_sql(self, expression: exp.DropPartition) -> str:
+1717        expressions = self.expressions(expression)
+1718        exists = " IF EXISTS " if expression.args.get("exists") else " "
+1719        return f"DROP{exists}{expressions}"
 
    
 
 
@@ -8716,16 +8789,16 @@ Default: True
 
     
    
     
-            
    1706    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
-1707        this = self.sql(expression, "this")
-1708        expression_ = self.sql(expression, "expression")
-1709        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
-1710
-1711        enforced = expression.args.get("enforced")
-1712        if enforced is not None:
-1713            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
-1714
-1715        return f"{add_constraint} {expression_}"
+            
    1721    def addconstraint_sql(self, expression: exp.AddConstraint) -> str:
+1722        this = self.sql(expression, "this")
+1723        expression_ = self.sql(expression, "expression")
+1724        add_constraint = f"ADD CONSTRAINT {this}" if this else "ADD"
+1725
+1726        enforced = expression.args.get("enforced")
+1727        if enforced is not None:
+1728            return f"{add_constraint} CHECK ({expression_}){' ENFORCED' if enforced else ''}"
+1729
+1730        return f"{add_constraint} {expression_}"
 
    
 
 
@@ -8743,13 +8816,13 @@ Default: True
 
     
    
     
-            
    1717    def distinct_sql(self, expression: exp.Distinct) -> str:
-1718        this = self.expressions(expression, flat=True)
-1719        this = f" {this}" if this else ""
-1720
-1721        on = self.sql(expression, "on")
-1722        on = f" ON {on}" if on else ""
-1723        return f"DISTINCT{this}{on}"
+            
    1732    def distinct_sql(self, expression: exp.Distinct) -> str:
+1733        this = self.expressions(expression, flat=True)
+1734        this = f" {this}" if this else ""
+1735
+1736        on = self.sql(expression, "on")
+1737        on = f" ON {on}" if on else ""
+1738        return f"DISTINCT{this}{on}"
 
    
 
 
@@ -8767,8 +8840,8 @@ Default: True
 
     
    
     
-            
    1725    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
-1726        return f"{self.sql(expression, 'this')} IGNORE NULLS"
+            
    1740    def ignorenulls_sql(self, expression: exp.IgnoreNulls) -> str:
+1741        return f"{self.sql(expression, 'this')} IGNORE NULLS"
 
    
 
 
@@ -8786,8 +8859,8 @@ Default: True
 
     
    
     
-            
    1728    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
-1729        return f"{self.sql(expression, 'this')} RESPECT NULLS"
+            
    1743    def respectnulls_sql(self, expression: exp.RespectNulls) -> str:
+1744        return f"{self.sql(expression, 'this')} RESPECT NULLS"
 
    
 
 
@@ -8805,13 +8878,13 @@ Default: True
 
     
    
     
-            
    1731    def intdiv_sql(self, expression: exp.IntDiv) -> str:
-1732        return self.sql(
-1733            exp.Cast(
-1734                this=exp.Div(this=expression.this, expression=expression.expression),
-1735                to=exp.DataType(this=exp.DataType.Type.INT),
-1736            )
-1737        )
+            
    1746    def intdiv_sql(self, expression: exp.IntDiv) -> str:
+1747        return self.sql(
+1748            exp.Cast(
+1749                this=exp.Div(this=expression.this, expression=expression.expression),
+1750                to=exp.DataType(this=exp.DataType.Type.INT),
+1751            )
+1752        )
 
    
 
 
@@ -8829,8 +8902,8 @@ Default: True
 
     
    
     
-            
    1739    def dpipe_sql(self, expression: exp.DPipe) -> str:
-1740        return self.binary(expression, "||")
+            
    1754    def dpipe_sql(self, expression: exp.DPipe) -> str:
+1755        return self.binary(expression, "||")
 
    
 
 
@@ -8848,8 +8921,27 @@ Default: True
 
     
    
     
-            
    1742    def div_sql(self, expression: exp.Div) -> str:
-1743        return self.binary(expression, "/")
+            
    1757    def div_sql(self, expression: exp.Div) -> str:
+1758        return self.binary(expression, "/")
+
    
+
+
+    
+
+                            
    
+                            
    
+                                        
+
    
+            
+        def
+        overlaps_sql(self, expression: sqlglot.expressions.Overlaps) -> str:
+
+                
+
+    
    
+    
+            
    1760    def overlaps_sql(self, expression: exp.Overlaps) -> str:
+1761        return self.binary(expression, "OVERLAPS")
 
    
 
 
@@ -8867,8 +8959,8 @@ Default: True
 
     
    
     
-            
    1745    def distance_sql(self, expression: exp.Distance) -> str:
-1746        return self.binary(expression, "<->")
+            
    1763    def distance_sql(self, expression: exp.Distance) -> str:
+1764        return self.binary(expression, "<->")
 
    
 
 
@@ -8886,8 +8978,8 @@ Default: True
 
     
    
     
-            
    1748    def dot_sql(self, expression: exp.Dot) -> str:
-1749        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
+            
    1766    def dot_sql(self, expression: exp.Dot) -> str:
+1767        return f"{self.sql(expression, 'this')}.{self.sql(expression, 'expression')}"
 
    
 
 
@@ -8905,8 +8997,8 @@ Default: True
 
     
    
     
-            
    1751    def eq_sql(self, expression: exp.EQ) -> str:
-1752        return self.binary(expression, "=")
+            
    1769    def eq_sql(self, expression: exp.EQ) -> str:
+1770        return self.binary(expression, "=")
 
    
 
 
@@ -8924,8 +9016,8 @@ Default: True
 
     
    
     
-            
    1754    def escape_sql(self, expression: exp.Escape) -> str:
-1755        return self.binary(expression, "ESCAPE")
+            
    1772    def escape_sql(self, expression: exp.Escape) -> str:
+1773        return self.binary(expression, "ESCAPE")
 
    
 
 
@@ -8943,8 +9035,8 @@ Default: True
 
     
    
     
-            
    1757    def glob_sql(self, expression: exp.Glob) -> str:
-1758        return self.binary(expression, "GLOB")
+            
    1775    def glob_sql(self, expression: exp.Glob) -> str:
+1776        return self.binary(expression, "GLOB")
 
    
 
 
@@ -8962,8 +9054,8 @@ Default: True
 
     
    
     
-            
    1760    def gt_sql(self, expression: exp.GT) -> str:
-1761        return self.binary(expression, ">")
+            
    1778    def gt_sql(self, expression: exp.GT) -> str:
+1779        return self.binary(expression, ">")
 
    
 
 
@@ -8981,8 +9073,8 @@ Default: True
 
     
    
     
-            
    1763    def gte_sql(self, expression: exp.GTE) -> str:
-1764        return self.binary(expression, ">=")
+            
    1781    def gte_sql(self, expression: exp.GTE) -> str:
+1782        return self.binary(expression, ">=")
 
    
 
 
@@ -9000,8 +9092,8 @@ Default: True
 
     
    
     
-            
    1766    def ilike_sql(self, expression: exp.ILike) -> str:
-1767        return self.binary(expression, "ILIKE")
+            
    1784    def ilike_sql(self, expression: exp.ILike) -> str:
+1785        return self.binary(expression, "ILIKE")
 
    
 
 
@@ -9019,8 +9111,8 @@ Default: True
 
     
    
     
-            
    1769    def is_sql(self, expression: exp.Is) -> str:
-1770        return self.binary(expression, "IS")
+            
    1787    def is_sql(self, expression: exp.Is) -> str:
+1788        return self.binary(expression, "IS")
 
    
 
 
@@ -9038,8 +9130,8 @@ Default: True
 
     
    
     
-            
    1772    def like_sql(self, expression: exp.Like) -> str:
-1773        return self.binary(expression, "LIKE")
+            
    1790    def like_sql(self, expression: exp.Like) -> str:
+1791        return self.binary(expression, "LIKE")
 
    
 
 
@@ -9057,8 +9149,8 @@ Default: True
 
     
    
     
-            
    1775    def similarto_sql(self, expression: exp.SimilarTo) -> str:
-1776        return self.binary(expression, "SIMILAR TO")
+            
    1793    def similarto_sql(self, expression: exp.SimilarTo) -> str:
+1794        return self.binary(expression, "SIMILAR TO")
 
    
 
 
@@ -9076,8 +9168,8 @@ Default: True
 
     
    
     
-            
    1778    def lt_sql(self, expression: exp.LT) -> str:
-1779        return self.binary(expression, "<")
+            
    1796    def lt_sql(self, expression: exp.LT) -> str:
+1797        return self.binary(expression, "<")
 
    
 
 
@@ -9095,8 +9187,8 @@ Default: True
 
     
    
     
-            
    1781    def lte_sql(self, expression: exp.LTE) -> str:
-1782        return self.binary(expression, "<=")
+            
    1799    def lte_sql(self, expression: exp.LTE) -> str:
+1800        return self.binary(expression, "<=")
 
    
 
 
@@ -9114,8 +9206,8 @@ Default: True
 
     
    
     
-            
    1784    def mod_sql(self, expression: exp.Mod) -> str:
-1785        return self.binary(expression, "%")
+            
    1802    def mod_sql(self, expression: exp.Mod) -> str:
+1803        return self.binary(expression, "%")
 
    
 
 
@@ -9133,8 +9225,8 @@ Default: True
 
     
    
     
-            
    1787    def mul_sql(self, expression: exp.Mul) -> str:
-1788        return self.binary(expression, "*")
+            
    1805    def mul_sql(self, expression: exp.Mul) -> str:
+1806        return self.binary(expression, "*")
 
    
 
 
@@ -9152,8 +9244,8 @@ Default: True
 
     
    
     
-            
    1790    def neq_sql(self, expression: exp.NEQ) -> str:
-1791        return self.binary(expression, "<>")
+            
    1808    def neq_sql(self, expression: exp.NEQ) -> str:
+1809        return self.binary(expression, "<>")
 
    
 
 
@@ -9171,8 +9263,8 @@ Default: True
 
     
    
     
-            
    1793    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
-1794        return self.binary(expression, "IS NOT DISTINCT FROM")
+            
    1811    def nullsafeeq_sql(self, expression: exp.NullSafeEQ) -> str:
+1812        return self.binary(expression, "IS NOT DISTINCT FROM")
 
    
 
 
@@ -9190,8 +9282,8 @@ Default: True
 
     
    
     
-            
    1796    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
-1797        return self.binary(expression, "IS DISTINCT FROM")
+            
    1814    def nullsafeneq_sql(self, expression: exp.NullSafeNEQ) -> str:
+1815        return self.binary(expression, "IS DISTINCT FROM")
 
    
 
 
@@ -9209,8 +9301,8 @@ Default: True
 
     
    
     
-            
    1799    def or_sql(self, expression: exp.Or) -> str:
-1800        return self.connector_sql(expression, "OR")
+            
    1817    def or_sql(self, expression: exp.Or) -> str:
+1818        return self.connector_sql(expression, "OR")
 
    
 
 
@@ -9228,8 +9320,8 @@ Default: True
 
     
    
     
-            
    1802    def slice_sql(self, expression: exp.Slice) -> str:
-1803        return self.binary(expression, ":")
+            
    1820    def slice_sql(self, expression: exp.Slice) -> str:
+1821        return self.binary(expression, ":")
 
    
 
 
@@ -9247,8 +9339,8 @@ Default: True
 
     
    
     
-            
    1805    def sub_sql(self, expression: exp.Sub) -> str:
-1806        return self.binary(expression, "-")
+            
    1823    def sub_sql(self, expression: exp.Sub) -> str:
+1824        return self.binary(expression, "-")
 
    
 
 
@@ -9266,8 +9358,8 @@ Default: True
 
     
    
     
-            
    1808    def trycast_sql(self, expression: exp.TryCast) -> str:
-1809        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
+            
    1826    def trycast_sql(self, expression: exp.TryCast) -> str:
+1827        return f"TRY_CAST({self.sql(expression, 'this')} AS {self.sql(expression, 'to')})"
 
    
 
 
@@ -9285,12 +9377,12 @@ Default: True
 
     
    
     
-            
    1811    def use_sql(self, expression: exp.Use) -> str:
-1812        kind = self.sql(expression, "kind")
-1813        kind = f" {kind}" if kind else ""
-1814        this = self.sql(expression, "this")
-1815        this = f" {this}" if this else ""
-1816        return f"USE{kind}{this}"
+            
    1829    def use_sql(self, expression: exp.Use) -> str:
+1830        kind = self.sql(expression, "kind")
+1831        kind = f" {kind}" if kind else ""
+1832        this = self.sql(expression, "this")
+1833        this = f" {this}" if this else ""
+1834        return f"USE{kind}{this}"
 
    
 
 
@@ -9308,8 +9400,8 @@ Default: True
 
     
    
     
-            
    1818    def binary(self, expression: exp.Binary, op: str) -> str:
-1819        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
+            
    1836    def binary(self, expression: exp.Binary, op: str) -> str:
+1837        return f"{self.sql(expression, 'this')} {op} {self.sql(expression, 'expression')}"
 
    
 
 
@@ -9327,16 +9419,16 @@ Default: True
 
     
    
     
-            
    1821    def function_fallback_sql(self, expression: exp.Func) -> str:
-1822        args = []
-1823        for arg_value in expression.args.values():
-1824            if isinstance(arg_value, list):
-1825                for value in arg_value:
-1826                    args.append(value)
-1827            else:
-1828                args.append(arg_value)
-1829
-1830        return self.func(expression.sql_name(), *args)
+            
    1839    def function_fallback_sql(self, expression: exp.Func) -> str:
+1840        args = []
+1841        for arg_value in expression.args.values():
+1842            if isinstance(arg_value, list):
+1843                for value in arg_value:
+1844                    args.append(value)
+1845            else:
+1846                args.append(arg_value)
+1847
+1848        return self.func(expression.sql_name(), *args)
 
    
 
 
@@ -9354,8 +9446,8 @@ Default: True
 
     
    
     
-            
    1832    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
-1833        return f"{self.normalize_func(name)}({self.format_args(*args)})"
+            
    1850    def func(self, name: str, *args: t.Optional[exp.Expression | str]) -> str:
+1851        return f"{self.normalize_func(name)}({self.format_args(*args)})"
 
    
 
 
@@ -9373,11 +9465,11 @@ Default: True
 
     
    
     
-            
    1835    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
-1836        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
-1837        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
-1838            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
-1839        return ", ".join(arg_sqls)
+            
    1853    def format_args(self, *args: t.Optional[str | exp.Expression]) -> str:
+1854        arg_sqls = tuple(self.sql(arg) for arg in args if arg is not None)
+1855        if self.pretty and self.text_width(arg_sqls) > self._max_text_width:
+1856            return self.indent("\n" + f",\n".join(arg_sqls) + "\n", skip_first=True, skip_last=True)
+1857        return ", ".join(arg_sqls)
 
    
 
 
@@ -9395,8 +9487,8 @@ Default: True
 
     
    
     
-            
    1841    def text_width(self, args: t.Iterable) -> int:
-1842        return sum(len(arg) for arg in args)
+            
    1859    def text_width(self, args: t.Iterable) -> int:
+1860        return sum(len(arg) for arg in args)
 
    
 
 
@@ -9414,8 +9506,8 @@ Default: True
 
     
    
     
-            
    1844    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
-1845        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
+            
    1862    def format_time(self, expression: exp.Expression) -> t.Optional[str]:
+1863        return format_time(self.sql(expression, "format"), self.time_mapping, self.time_trie)
 
    
 
 
@@ -9433,46 +9525,46 @@ Default: True
 
     
    
     
-            
    1847    def expressions(
-1848        self,
-1849        expression: exp.Expression,
-1850        key: t.Optional[str] = None,
-1851        flat: bool = False,
-1852        indent: bool = True,
-1853        sep: str = ", ",
-1854        prefix: str = "",
-1855    ) -> str:
-1856        expressions = expression.args.get(key or "expressions")
-1857
-1858        if not expressions:
-1859            return ""
-1860
-1861        if flat:
-1862            return sep.join(self.sql(e) for e in expressions)
-1863
-1864        num_sqls = len(expressions)
-1865
-1866        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
-1867        pad = " " * self.pad
-1868        stripped_sep = sep.strip()
-1869
-1870        result_sqls = []
-1871        for i, e in enumerate(expressions):
-1872            sql = self.sql(e, comment=False)
-1873            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
-1874
-1875            if self.pretty:
-1876                if self._leading_comma:
-1877                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
-1878                else:
-1879                    result_sqls.append(
-1880                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
-1881                    )
-1882            else:
-1883                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
-1884
-1885        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
-1886        return self.indent(result_sql, skip_first=False) if indent else result_sql
+            
    1865    def expressions(
+1866        self,
+1867        expression: exp.Expression,
+1868        key: t.Optional[str] = None,
+1869        flat: bool = False,
+1870        indent: bool = True,
+1871        sep: str = ", ",
+1872        prefix: str = "",
+1873    ) -> str:
+1874        expressions = expression.args.get(key or "expressions")
+1875
+1876        if not expressions:
+1877            return ""
+1878
+1879        if flat:
+1880            return sep.join(self.sql(e) for e in expressions)
+1881
+1882        num_sqls = len(expressions)
+1883
+1884        # These are calculated once in case we have the leading_comma / pretty option set, correspondingly
+1885        pad = " " * self.pad
+1886        stripped_sep = sep.strip()
+1887
+1888        result_sqls = []
+1889        for i, e in enumerate(expressions):
+1890            sql = self.sql(e, comment=False)
+1891            comments = self.maybe_comment("", e) if isinstance(e, exp.Expression) else ""
+1892
+1893            if self.pretty:
+1894                if self._leading_comma:
+1895                    result_sqls.append(f"{sep if i > 0 else pad}{prefix}{sql}{comments}")
+1896                else:
+1897                    result_sqls.append(
+1898                        f"{prefix}{sql}{stripped_sep if i + 1 < num_sqls else ''}{comments}"
+1899                    )
+1900            else:
+1901                result_sqls.append(f"{prefix}{sql}{comments}{sep if i + 1 < num_sqls else ''}")
+1902
+1903        result_sql = "\n".join(result_sqls) if self.pretty else "".join(result_sqls)
+1904        return self.indent(result_sql, skip_first=False) if indent else result_sql
 
    
 
 
@@ -9490,12 +9582,12 @@ Default: True
 
     
    
     
-            
    1888    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
-1889        flat = flat or isinstance(expression.parent, exp.Properties)
-1890        expressions_sql = self.expressions(expression, flat=flat)
-1891        if flat:
-1892            return f"{op} {expressions_sql}"
-1893        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
+            
    1906    def op_expressions(self, op: str, expression: exp.Expression, flat: bool = False) -> str:
+1907        flat = flat or isinstance(expression.parent, exp.Properties)
+1908        expressions_sql = self.expressions(expression, flat=flat)
+1909        if flat:
+1910            return f"{op} {expressions_sql}"
+1911        return f"{self.seg(op)}{self.sep() if expressions_sql else ''}{expressions_sql}"
 
    
 
 
@@ -9513,11 +9605,11 @@ Default: True
 
     
    
     
-            
    1895    def naked_property(self, expression: exp.Property) -> str:
-1896        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
-1897        if not property_name:
-1898            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
-1899        return f"{property_name} {self.sql(expression, 'this')}"
+            
    1913    def naked_property(self, expression: exp.Property) -> str:
+1914        property_name = exp.Properties.PROPERTY_TO_NAME.get(expression.__class__)
+1915        if not property_name:
+1916            self.unsupported(f"Unsupported property {expression.__class__.__name__}")
+1917        return f"{property_name} {self.sql(expression, 'this')}"
 
    
 
 
@@ -9535,12 +9627,12 @@ Default: True
 
     
    
     
-            
    1901    def set_operation(self, expression: exp.Expression, op: str) -> str:
-1902        this = self.sql(expression, "this")
-1903        op = self.seg(op)
-1904        return self.query_modifiers(
-1905            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
-1906        )
+            
    1919    def set_operation(self, expression: exp.Expression, op: str) -> str:
+1920        this = self.sql(expression, "this")
+1921        op = self.seg(op)
+1922        return self.query_modifiers(
+1923            expression, f"{this}{op}{self.sep()}{self.sql(expression, 'expression')}"
+1924        )
 
    
 
 
@@ -9558,8 +9650,8 @@ Default: True
 
     
    
     
-            
    1908    def tag_sql(self, expression: exp.Tag) -> str:
-1909        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
+            
    1926    def tag_sql(self, expression: exp.Tag) -> str:
+1927        return f"{expression.args.get('prefix')}{self.sql(expression.this)}{expression.args.get('postfix')}"
 
    
 
 
@@ -9577,8 +9669,8 @@ Default: True
 
     
    
     
-            
    1911    def token_sql(self, token_type: TokenType) -> str:
-1912        return self.TOKEN_MAPPING.get(token_type, token_type.name)
+            
    1929    def token_sql(self, token_type: TokenType) -> str:
+1930        return self.TOKEN_MAPPING.get(token_type, token_type.name)
 
    
 
 
@@ -9596,13 +9688,13 @@ Default: True
 
     
    
     
-            
    1914    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
-1915        this = self.sql(expression, "this")
-1916        expressions = self.no_identify(self.expressions, expression)
-1917        expressions = (
-1918            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
-1919        )
-1920        return f"{this}{expressions}"
+            
    1932    def userdefinedfunction_sql(self, expression: exp.UserDefinedFunction) -> str:
+1933        this = self.sql(expression, "this")
+1934        expressions = self.no_identify(self.expressions, expression)
+1935        expressions = (
+1936            self.wrap(expressions) if expression.args.get("wrapped") else f" {expressions}"
+1937        )
+1938        return f"{this}{expressions}"
 
    
 
 
@@ -9620,10 +9712,10 @@ Default: True
 
     
    
     
-            
    1922    def joinhint_sql(self, expression: exp.JoinHint) -> str:
-1923        this = self.sql(expression, "this")
-1924        expressions = self.expressions(expression, flat=True)
-1925        return f"{this}({expressions})"
+            
    1940    def joinhint_sql(self, expression: exp.JoinHint) -> str:
+1941        this = self.sql(expression, "this")
+1942        expressions = self.expressions(expression, flat=True)
+1943        return f"{this}({expressions})"
 
    
 
 
@@ -9641,8 +9733,8 @@ Default: True
 
     
    
     
-            
    1927    def kwarg_sql(self, expression: exp.Kwarg) -> str:
-1928        return self.binary(expression, "=>")
+            
    1945    def kwarg_sql(self, expression: exp.Kwarg) -> str:
+1946        return self.binary(expression, "=>")
 
    
 
 
@@ -9660,21 +9752,21 @@ Default: True
 
     
    
     
-            
    1930    def when_sql(self, expression: exp.When) -> str:
-1931        this = self.sql(expression, "this")
-1932        then_expression = expression.args.get("then")
-1933        if isinstance(then_expression, exp.Insert):
-1934            then = f"INSERT {self.sql(then_expression, 'this')}"
-1935            if "expression" in then_expression.args:
-1936                then += f" VALUES {self.sql(then_expression, 'expression')}"
-1937        elif isinstance(then_expression, exp.Update):
-1938            if isinstance(then_expression.args.get("expressions"), exp.Star):
-1939                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
-1940            else:
-1941                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
-1942        else:
-1943            then = self.sql(then_expression)
-1944        return f"WHEN {this} THEN {then}"
+            
    1948    def when_sql(self, expression: exp.When) -> str:
+1949        this = self.sql(expression, "this")
+1950        then_expression = expression.args.get("then")
+1951        if isinstance(then_expression, exp.Insert):
+1952            then = f"INSERT {self.sql(then_expression, 'this')}"
+1953            if "expression" in then_expression.args:
+1954                then += f" VALUES {self.sql(then_expression, 'expression')}"
+1955        elif isinstance(then_expression, exp.Update):
+1956            if isinstance(then_expression.args.get("expressions"), exp.Star):
+1957                then = f"UPDATE {self.sql(then_expression, 'expressions')}"
+1958            else:
+1959                then = f"UPDATE SET {self.expressions(then_expression, flat=True)}"
+1960        else:
+1961            then = self.sql(then_expression)
+1962        return f"WHEN {this} THEN {then}"
 
    
 
 
@@ -9692,11 +9784,11 @@ Default: True
 
     
    
     
-            
    1946    def merge_sql(self, expression: exp.Merge) -> str:
-1947        this = self.sql(expression, "this")
-1948        using = f"USING {self.sql(expression, 'using')}"
-1949        on = f"ON {self.sql(expression, 'on')}"
-1950        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
+            
    1964    def merge_sql(self, expression: exp.Merge) -> str:
+1965        this = self.sql(expression, "this")
+1966        using = f"USING {self.sql(expression, 'using')}"
+1967        on = f"ON {self.sql(expression, 'on')}"
+1968        return f"MERGE INTO {this} {using} {on} {self.expressions(expression, sep=' ')}"
 
    
 
 
diff --git a/docs/sqlglot/lineage.html b/docs/sqlglot/lineage.html
index 3e7a806..196798b 100644
--- a/docs/sqlglot/lineage.html
+++ b/docs/sqlglot/lineage.html
@@ -413,7 +413,7 @@
 
    
             
         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 0x7fcb8dd0eef0>, <function qualify_columns at 0x7fcb8dd0de10>, <function expand_laterals at 0x7fcb8dd0c550>),	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 0x7fc261078040>, <function qualify_columns at 0x7fc26108aef0>, <function expand_laterals at 0x7fc2610896c0>),	dialect: Union[str, sqlglot.dialects.dialect.Dialect, Type[sqlglot.dialects.dialect.Dialect], NoneType] = None) -> sqlglot.lineage.Node:
 
                 
 
diff --git a/docs/sqlglot/optimizer/merge_subqueries.html b/docs/sqlglot/optimizer/merge_subqueries.html
index 8adfc14..1842f90 100644
--- a/docs/sqlglot/optimizer/merge_subqueries.html
+++ b/docs/sqlglot/optimizer/merge_subqueries.html
@@ -378,60 +378,74 @@
 314    if not where or not where.this:
 315        return
 316
-317    if isinstance(from_or_join, exp.Join):
-318        # Merge predicates from an outer join to the ON clause
-319        from_or_join.on(where.this, copy=False)
-320        from_or_join.set("on", simplify(from_or_join.args.get("on")))
-321    else:
-322        outer_scope.expression.where(where.this, copy=False)
-323        outer_scope.expression.set("where", simplify(outer_scope.expression.args.get("where")))
+317    expression = outer_scope.expression
+318
+319    if isinstance(from_or_join, exp.Join):
+320        # Merge predicates from an outer join to the ON clause
+321        # if it only has columns that are already joined
+322        from_ = expression.args.get("from")
+323        sources = {table.alias_or_name for table in from_.expressions} if from_ else {}
 324
-325
-326def _merge_order(outer_scope, inner_scope):
-327    """
-328    Merge ORDER clause of inner query into outer query.
-329
-330    Args:
-331        outer_scope (sqlglot.optimizer.scope.Scope)
-332        inner_scope (sqlglot.optimizer.scope.Scope)
-333    """
-334    if (
-335        any(
-336            outer_scope.expression.args.get(arg) for arg in ["group", "distinct", "having", "order"]
-337        )
-338        or len(outer_scope.selected_sources) != 1
-339        or any(expression.find(exp.AggFunc) for expression in outer_scope.expression.expressions)
-340    ):
-341        return
-342
-343    outer_scope.expression.set("order", inner_scope.expression.args.get("order"))
-344
-345
-346def _merge_hints(outer_scope, inner_scope):
-347    inner_scope_hint = inner_scope.expression.args.get("hint")
-348    if not inner_scope_hint:
-349        return
-350    outer_scope_hint = outer_scope.expression.args.get("hint")
-351    if outer_scope_hint:
-352        for hint_expression in inner_scope_hint.expressions:
-353            outer_scope_hint.append("expressions", hint_expression)
-354    else:
-355        outer_scope.expression.set("hint", inner_scope_hint)
+325        for join in expression.args["joins"]:
+326            source = join.alias_or_name
+327            sources.add(source)
+328            if source == from_or_join.alias_or_name:
+329                break
+330
+331        if set(exp.column_table_names(where.this)) <= sources:
+332            from_or_join.on(where.this, copy=False)
+333            from_or_join.set("on", simplify(from_or_join.args.get("on")))
+334            return
+335
+336    expression.where(where.this, copy=False)
+337    expression.set("where", simplify(expression.args.get("where")))
+338
+339
+340def _merge_order(outer_scope, inner_scope):
+341    """
+342    Merge ORDER clause of inner query into outer query.
+343
+344    Args:
+345        outer_scope (sqlglot.optimizer.scope.Scope)
+346        inner_scope (sqlglot.optimizer.scope.Scope)
+347    """
+348    if (
+349        any(
+350            outer_scope.expression.args.get(arg) for arg in ["group", "distinct", "having", "order"]
+351        )
+352        or len(outer_scope.selected_sources) != 1
+353        or any(expression.find(exp.AggFunc) for expression in outer_scope.expression.expressions)
+354    ):
+355        return
 356
-357
-358def _pop_cte(inner_scope):
-359    """
-360    Remove CTE from the AST.
-361
-362    Args:
-363        inner_scope (sqlglot.optimizer.scope.Scope)
-364    """
-365    cte = inner_scope.expression.parent
-366    with_ = cte.parent
-367    if len(with_.expressions) == 1:
-368        with_.pop()
-369    else:
-370        cte.pop()
+357    outer_scope.expression.set("order", inner_scope.expression.args.get("order"))
+358
+359
+360def _merge_hints(outer_scope, inner_scope):
+361    inner_scope_hint = inner_scope.expression.args.get("hint")
+362    if not inner_scope_hint:
+363        return
+364    outer_scope_hint = outer_scope.expression.args.get("hint")
+365    if outer_scope_hint:
+366        for hint_expression in inner_scope_hint.expressions:
+367            outer_scope_hint.append("expressions", hint_expression)
+368    else:
+369        outer_scope.expression.set("hint", inner_scope_hint)
+370
+371
+372def _pop_cte(inner_scope):
+373    """
+374    Remove CTE from the AST.
+375
+376    Args:
+377        inner_scope (sqlglot.optimizer.scope.Scope)
+378    """
+379    cte = inner_scope.expression.parent
+380    with_ = cte.parent
+381    if len(with_.expressions) == 1:
+382        with_.pop()
+383    else:
+384        cte.pop()
 
    
 
 
diff --git a/docs/sqlglot/optimizer/optimizer.html b/docs/sqlglot/optimizer/optimizer.html
index 41d2a94..7bc7966 100644
--- a/docs/sqlglot/optimizer/optimizer.html
+++ b/docs/sqlglot/optimizer/optimizer.html
@@ -156,7 +156,7 @@
 
    
             
         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 0x7fcb8dd0c820>, <function qualify_tables at 0x7fcb8dd0eef0>, <function isolate_table_selects at 0x7fcb8dd0c790>, <function qualify_columns at 0x7fcb8dd0de10>, <function expand_laterals at 0x7fcb8dd0c550>, <function pushdown_projections at 0x7fcb8dd0e8c0>, <function validate_qualify_columns at 0x7fcb8dd0dea0>, <function normalize at 0x7fcb8dcc24d0>, <function unnest_subqueries at 0x7fcb8dd0f010>, <function expand_multi_table_selects at 0x7fcb8dd0c700>, <function pushdown_predicates at 0x7fcb8dd0d900>, <function optimize_joins at 0x7fcb8dd0d630>, <function eliminate_subqueries at 0x7fcb8dd0c160>, <function merge_subqueries at 0x7fcb8dd0caf0>, <function eliminate_joins at 0x7fcb8dcc2320>, <function eliminate_ctes at 0x7fcb8dcc2200>, <function annotate_types at 0x7fcb8dc9b130>, <function canonicalize at 0x7fcb8dcc1e10>),	**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 0x7fc261089990>, <function qualify_tables at 0x7fc261078040>, <function isolate_table_selects at 0x7fc261089900>, <function qualify_columns at 0x7fc26108aef0>, <function expand_laterals at 0x7fc2610896c0>, <function pushdown_projections at 0x7fc26108b9a0>, <function validate_qualify_columns at 0x7fc26108af80>, <function normalize at 0x7fc26109b640>, <function unnest_subqueries at 0x7fc261078160>, <function expand_multi_table_selects at 0x7fc261089870>, <function pushdown_predicates at 0x7fc26108aa70>, <function optimize_joins at 0x7fc26108a7a0>, <function eliminate_subqueries at 0x7fc2610892d0>, <function merge_subqueries at 0x7fc261089c60>, <function eliminate_joins at 0x7fc26109b520>, <function eliminate_ctes at 0x7fc26109b400>, <function annotate_types at 0x7fc260ff4310>, <function canonicalize at 0x7fc26109b010>),	**kwargs):
 
                 
 
diff --git a/docs/sqlglot/optimizer/pushdown_projections.html b/docs/sqlglot/optimizer/pushdown_projections.html
index 6cb1975..54d7932 100644
--- a/docs/sqlglot/optimizer/pushdown_projections.html
+++ b/docs/sqlglot/optimizer/pushdown_projections.html
@@ -74,7 +74,7 @@
  13DEFAULT_SELECTION = lambda: alias("1", "_")
  14
  15
- 16def pushdown_projections(expression, schema=None):
+ 16def pushdown_projections(expression, schema=None, remove_unused_selections=True):
  17    """
  18    Rewrite sqlglot AST to remove unused columns projections.
  19
@@ -87,94 +87,96 @@
  26
  27    Args:
  28        expression (sqlglot.Expression): expression to optimize
- 29    Returns:
- 30        sqlglot.Expression: optimized expression
- 31    """
- 32    # Map of Scope to all columns being selected by outer queries.
- 33    schema = ensure_schema(schema)
- 34    referenced_columns = defaultdict(set)
- 35
- 36    # We build the scope tree (which is traversed in DFS postorder), then iterate
- 37    # over the result in reverse order. This should ensure that the set of selected
- 38    # columns for a particular scope are completely build by the time we get to it.
- 39    for scope in reversed(traverse_scope(expression)):
- 40        parent_selections = referenced_columns.get(scope, {SELECT_ALL})
- 41
- 42        if scope.expression.args.get("distinct"):
- 43            # We can't remove columns SELECT DISTINCT nor UNION DISTINCT
- 44            parent_selections = {SELECT_ALL}
- 45
- 46        if isinstance(scope.expression, exp.Union):
- 47            left, right = scope.union_scopes
- 48            referenced_columns[left] = parent_selections
- 49
- 50            if any(select.is_star for select in right.selects):
- 51                referenced_columns[right] = parent_selections
- 52            elif not any(select.is_star for select in left.selects):
- 53                referenced_columns[right] = [
- 54                    right.selects[i].alias_or_name
- 55                    for i, select in enumerate(left.selects)
- 56                    if SELECT_ALL in parent_selections or select.alias_or_name in parent_selections
- 57                ]
- 58
- 59        if isinstance(scope.expression, exp.Select):
- 60            _remove_unused_selections(scope, parent_selections, schema)
- 61
- 62            # Group columns by source name
- 63            selects = defaultdict(set)
- 64            for col in scope.columns:
- 65                table_name = col.table
- 66                col_name = col.name
- 67                selects[table_name].add(col_name)
- 68
- 69            # Push the selected columns down to the next scope
- 70            for name, (_, source) in scope.selected_sources.items():
- 71                if isinstance(source, Scope):
- 72                    columns = selects.get(name) or set()
- 73                    referenced_columns[source].update(columns)
- 74
- 75    return expression
+ 29        remove_unused_selections (bool): remove selects that are unused
+ 30    Returns:
+ 31        sqlglot.Expression: optimized expression
+ 32    """
+ 33    # Map of Scope to all columns being selected by outer queries.
+ 34    schema = ensure_schema(schema)
+ 35    referenced_columns = defaultdict(set)
+ 36
+ 37    # We build the scope tree (which is traversed in DFS postorder), then iterate
+ 38    # over the result in reverse order. This should ensure that the set of selected
+ 39    # columns for a particular scope are completely build by the time we get to it.
+ 40    for scope in reversed(traverse_scope(expression)):
+ 41        parent_selections = referenced_columns.get(scope, {SELECT_ALL})
+ 42
+ 43        if scope.expression.args.get("distinct"):
+ 44            # We can't remove columns SELECT DISTINCT nor UNION DISTINCT
+ 45            parent_selections = {SELECT_ALL}
+ 46
+ 47        if isinstance(scope.expression, exp.Union):
+ 48            left, right = scope.union_scopes
+ 49            referenced_columns[left] = parent_selections
+ 50
+ 51            if any(select.is_star for select in right.selects):
+ 52                referenced_columns[right] = parent_selections
+ 53            elif not any(select.is_star for select in left.selects):
+ 54                referenced_columns[right] = [
+ 55                    right.selects[i].alias_or_name
+ 56                    for i, select in enumerate(left.selects)
+ 57                    if SELECT_ALL in parent_selections or select.alias_or_name in parent_selections
+ 58                ]
+ 59
+ 60        if isinstance(scope.expression, exp.Select):
+ 61            if remove_unused_selections:
+ 62                _remove_unused_selections(scope, parent_selections, schema)
+ 63
+ 64            # Group columns by source name
+ 65            selects = defaultdict(set)
+ 66            for col in scope.columns:
+ 67                table_name = col.table
+ 68                col_name = col.name
+ 69                selects[table_name].add(col_name)
+ 70
+ 71            # Push the selected columns down to the next scope
+ 72            for name, (_, source) in scope.selected_sources.items():
+ 73                if isinstance(source, Scope):
+ 74                    columns = selects.get(name) or set()
+ 75                    referenced_columns[source].update(columns)
  76
- 77
- 78def _remove_unused_selections(scope, parent_selections, schema):
- 79    order = scope.expression.args.get("order")
- 80
- 81    if order:
- 82        # Assume columns without a qualified table are references to output columns
- 83        order_refs = {c.name for c in order.find_all(exp.Column) if not c.table}
- 84    else:
- 85        order_refs = set()
- 86
- 87    new_selections = defaultdict(list)
- 88    removed = False
- 89    star = False
- 90    for selection in scope.selects:
- 91        name = selection.alias_or_name
- 92
- 93        if SELECT_ALL in parent_selections or name in parent_selections or name in order_refs:
- 94            new_selections[name].append(selection)
- 95        else:
- 96            if selection.is_star:
- 97                star = True
- 98            removed = True
- 99
-100    if star:
-101        resolver = Resolver(scope, schema)
-102
-103        for name in sorted(parent_selections):
-104            if name not in new_selections:
-105                new_selections[name].append(
-106                    alias(exp.column(name, table=resolver.get_table(name)), name)
-107                )
-108
-109    # If there are no remaining selections, just select a single constant
-110    if not new_selections:
-111        new_selections[""].append(DEFAULT_SELECTION())
-112
-113    scope.expression.select(*flatten(new_selections.values()), append=False, copy=False)
+ 77    return expression
+ 78
+ 79
+ 80def _remove_unused_selections(scope, parent_selections, schema):
+ 81    order = scope.expression.args.get("order")
+ 82
+ 83    if order:
+ 84        # Assume columns without a qualified table are references to output columns
+ 85        order_refs = {c.name for c in order.find_all(exp.Column) if not c.table}
+ 86    else:
+ 87        order_refs = set()
+ 88
+ 89    new_selections = defaultdict(list)
+ 90    removed = False
+ 91    star = False
+ 92    for selection in scope.selects:
+ 93        name = selection.alias_or_name
+ 94
+ 95        if SELECT_ALL in parent_selections or name in parent_selections or name in order_refs:
+ 96            new_selections[name].append(selection)
+ 97        else:
+ 98            if selection.is_star:
+ 99                star = True
+100            removed = True
+101
+102    if star:
+103        resolver = Resolver(scope, schema)
+104
+105        for name in sorted(parent_selections):
+106            if name not in new_selections:
+107                new_selections[name].append(
+108                    alias(exp.column(name, table=resolver.get_table(name)), name)
+109                )
+110
+111    # If there are no remaining selections, just select a single constant
+112    if not new_selections:
+113        new_selections[""].append(DEFAULT_SELECTION())
 114
-115    if removed:
-116        scope.clear_cache()
+115    scope.expression.select(*flatten(new_selections.values()), append=False, copy=False)
+116
+117    if removed:
+118        scope.clear_cache()
    @@ -202,13 +204,13 @@
    def - pushdown_projections(expression, schema=None): + pushdown_projections(expression, schema=None, remove_unused_selections=True):
    - 
    17def pushdown_projections(expression, schema=None):
+            
    17def pushdown_projections(expression, schema=None, remove_unused_selections=True):
 18    """
 19    Rewrite sqlglot AST to remove unused columns projections.
 20
@@ -221,53 +223,55 @@
 27
 28    Args:
 29        expression (sqlglot.Expression): expression to optimize
-30    Returns:
-31        sqlglot.Expression: optimized expression
-32    """
-33    # Map of Scope to all columns being selected by outer queries.
-34    schema = ensure_schema(schema)
-35    referenced_columns = defaultdict(set)
-36
-37    # We build the scope tree (which is traversed in DFS postorder), then iterate
-38    # over the result in reverse order. This should ensure that the set of selected
-39    # columns for a particular scope are completely build by the time we get to it.
-40    for scope in reversed(traverse_scope(expression)):
-41        parent_selections = referenced_columns.get(scope, {SELECT_ALL})
-42
-43        if scope.expression.args.get("distinct"):
-44            # We can't remove columns SELECT DISTINCT nor UNION DISTINCT
-45            parent_selections = {SELECT_ALL}
-46
-47        if isinstance(scope.expression, exp.Union):
-48            left, right = scope.union_scopes
-49            referenced_columns[left] = parent_selections
-50
-51            if any(select.is_star for select in right.selects):
-52                referenced_columns[right] = parent_selections
-53            elif not any(select.is_star for select in left.selects):
-54                referenced_columns[right] = [
-55                    right.selects[i].alias_or_name
-56                    for i, select in enumerate(left.selects)
-57                    if SELECT_ALL in parent_selections or select.alias_or_name in parent_selections
-58                ]
-59
-60        if isinstance(scope.expression, exp.Select):
-61            _remove_unused_selections(scope, parent_selections, schema)
-62
-63            # Group columns by source name
-64            selects = defaultdict(set)
-65            for col in scope.columns:
-66                table_name = col.table
-67                col_name = col.name
-68                selects[table_name].add(col_name)
-69
-70            # Push the selected columns down to the next scope
-71            for name, (_, source) in scope.selected_sources.items():
-72                if isinstance(source, Scope):
-73                    columns = selects.get(name) or set()
-74                    referenced_columns[source].update(columns)
-75
-76    return expression
+30        remove_unused_selections (bool): remove selects that are unused
+31    Returns:
+32        sqlglot.Expression: optimized expression
+33    """
+34    # Map of Scope to all columns being selected by outer queries.
+35    schema = ensure_schema(schema)
+36    referenced_columns = defaultdict(set)
+37
+38    # We build the scope tree (which is traversed in DFS postorder), then iterate
+39    # over the result in reverse order. This should ensure that the set of selected
+40    # columns for a particular scope are completely build by the time we get to it.
+41    for scope in reversed(traverse_scope(expression)):
+42        parent_selections = referenced_columns.get(scope, {SELECT_ALL})
+43
+44        if scope.expression.args.get("distinct"):
+45            # We can't remove columns SELECT DISTINCT nor UNION DISTINCT
+46            parent_selections = {SELECT_ALL}
+47
+48        if isinstance(scope.expression, exp.Union):
+49            left, right = scope.union_scopes
+50            referenced_columns[left] = parent_selections
+51
+52            if any(select.is_star for select in right.selects):
+53                referenced_columns[right] = parent_selections
+54            elif not any(select.is_star for select in left.selects):
+55                referenced_columns[right] = [
+56                    right.selects[i].alias_or_name
+57                    for i, select in enumerate(left.selects)
+58                    if SELECT_ALL in parent_selections or select.alias_or_name in parent_selections
+59                ]
+60
+61        if isinstance(scope.expression, exp.Select):
+62            if remove_unused_selections:
+63                _remove_unused_selections(scope, parent_selections, schema)
+64
+65            # Group columns by source name
+66            selects = defaultdict(set)
+67            for col in scope.columns:
+68                table_name = col.table
+69                col_name = col.name
+70                selects[table_name].add(col_name)
+71
+72            # Push the selected columns down to the next scope
+73            for name, (_, source) in scope.selected_sources.items():
+74                if isinstance(source, Scope):
+75                    columns = selects.get(name) or set()
+76                    referenced_columns[source].update(columns)
+77
+78    return expression
 
    
 
 
@@ -290,6 +294,7 @@
 
 
      
 
    • expression (sqlglot.Expression):  expression to optimize
      • 
+
    • remove_unused_selections (bool):  remove selects that are unused
      • 
 
    
 
 
    Returns:
    
diff --git a/docs/sqlglot/parser.html b/docs/sqlglot/parser.html
index cfd4563..b2685da 100644
--- a/docs/sqlglot/parser.html
+++ b/docs/sqlglot/parser.html
@@ -245,3729 +245,3770 @@
      157
  158    RESERVED_KEYWORDS = {*Tokenizer.SINGLE_TOKENS.values(), TokenType.SELECT}
  159
- 160    ID_VAR_TOKENS = {
- 161        TokenType.VAR,
- 162        TokenType.ANTI,
- 163        TokenType.APPLY,
- 164        TokenType.AUTO_INCREMENT,
- 165        TokenType.BEGIN,
- 166        TokenType.BOTH,
- 167        TokenType.BUCKET,
- 168        TokenType.CACHE,
- 169        TokenType.CASCADE,
- 170        TokenType.COLLATE,
- 171        TokenType.COLUMN,
- 172        TokenType.COMMAND,
- 173        TokenType.COMMIT,
- 174        TokenType.COMPOUND,
- 175        TokenType.CONSTRAINT,
- 176        TokenType.CURRENT_TIME,
- 177        TokenType.DEFAULT,
- 178        TokenType.DELETE,
- 179        TokenType.DESCRIBE,
- 180        TokenType.DIV,
- 181        TokenType.END,
- 182        TokenType.EXECUTE,
- 183        TokenType.ESCAPE,
- 184        TokenType.FALSE,
- 185        TokenType.FIRST,
- 186        TokenType.FILTER,
- 187        TokenType.FOLLOWING,
- 188        TokenType.FORMAT,
- 189        TokenType.FUNCTION,
- 190        TokenType.IF,
- 191        TokenType.INDEX,
- 192        TokenType.ISNULL,
- 193        TokenType.INTERVAL,
- 194        TokenType.LAZY,
- 195        TokenType.LEADING,
- 196        TokenType.LEFT,
- 197        TokenType.LOCAL,
- 198        TokenType.MATERIALIZED,
- 199        TokenType.MERGE,
- 200        TokenType.NATURAL,
- 201        TokenType.NEXT,
- 202        TokenType.OFFSET,
- 203        TokenType.ONLY,
- 204        TokenType.OPTIONS,
- 205        TokenType.ORDINALITY,
- 206        TokenType.PERCENT,
- 207        TokenType.PIVOT,
- 208        TokenType.PRECEDING,
- 209        TokenType.RANGE,
- 210        TokenType.REFERENCES,
- 211        TokenType.RIGHT,
- 212        TokenType.ROW,
- 213        TokenType.ROWS,
- 214        TokenType.SCHEMA,
- 215        TokenType.SEED,
- 216        TokenType.SEMI,
- 217        TokenType.SET,
- 218        TokenType.SHOW,
- 219        TokenType.SORTKEY,
- 220        TokenType.TABLE,
- 221        TokenType.TEMPORARY,
- 222        TokenType.TOP,
- 223        TokenType.TRAILING,
- 224        TokenType.TRUE,
- 225        TokenType.UNBOUNDED,
- 226        TokenType.UNIQUE,
- 227        TokenType.UNLOGGED,
- 228        TokenType.UNPIVOT,
- 229        TokenType.PROCEDURE,
- 230        TokenType.VIEW,
- 231        TokenType.VOLATILE,
- 232        TokenType.WINDOW,
- 233        *SUBQUERY_PREDICATES,
- 234        *TYPE_TOKENS,
- 235        *NO_PAREN_FUNCTIONS,
- 236    }
- 237
- 238    TABLE_ALIAS_TOKENS = ID_VAR_TOKENS - {
- 239        TokenType.APPLY,
- 240        TokenType.LEFT,
- 241        TokenType.NATURAL,
- 242        TokenType.OFFSET,
- 243        TokenType.RIGHT,
- 244        TokenType.WINDOW,
- 245    }
- 246
- 247    UPDATE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.SET}
- 248
- 249    TRIM_TYPES = {TokenType.LEADING, TokenType.TRAILING, TokenType.BOTH}
- 250
- 251    FUNC_TOKENS = {
- 252        TokenType.COMMAND,
- 253        TokenType.CURRENT_DATE,
- 254        TokenType.CURRENT_DATETIME,
- 255        TokenType.CURRENT_TIMESTAMP,
- 256        TokenType.CURRENT_TIME,
- 257        TokenType.FILTER,
- 258        TokenType.FIRST,
- 259        TokenType.FORMAT,
- 260        TokenType.IDENTIFIER,
- 261        TokenType.INDEX,
- 262        TokenType.ISNULL,
- 263        TokenType.ILIKE,
- 264        TokenType.LIKE,
- 265        TokenType.MERGE,
- 266        TokenType.OFFSET,
- 267        TokenType.PRIMARY_KEY,
- 268        TokenType.REPLACE,
- 269        TokenType.ROW,
- 270        TokenType.UNNEST,
- 271        TokenType.VAR,
- 272        TokenType.LEFT,
- 273        TokenType.RIGHT,
- 274        TokenType.DATE,
- 275        TokenType.DATETIME,
- 276        TokenType.TABLE,
- 277        TokenType.TIMESTAMP,
- 278        TokenType.TIMESTAMPTZ,
- 279        TokenType.WINDOW,
- 280        *TYPE_TOKENS,
- 281        *SUBQUERY_PREDICATES,
- 282    }
- 283
- 284    CONJUNCTION = {
- 285        TokenType.AND: exp.And,
- 286        TokenType.OR: exp.Or,
- 287    }
- 288
- 289    EQUALITY = {
- 290        TokenType.EQ: exp.EQ,
- 291        TokenType.NEQ: exp.NEQ,
- 292        TokenType.NULLSAFE_EQ: exp.NullSafeEQ,
- 293    }
- 294
- 295    COMPARISON = {
- 296        TokenType.GT: exp.GT,
- 297        TokenType.GTE: exp.GTE,
- 298        TokenType.LT: exp.LT,
- 299        TokenType.LTE: exp.LTE,
- 300    }
- 301
- 302    BITWISE = {
- 303        TokenType.AMP: exp.BitwiseAnd,
- 304        TokenType.CARET: exp.BitwiseXor,
- 305        TokenType.PIPE: exp.BitwiseOr,
- 306        TokenType.DPIPE: exp.DPipe,
- 307    }
- 308
- 309    TERM = {
- 310        TokenType.DASH: exp.Sub,
- 311        TokenType.PLUS: exp.Add,
- 312        TokenType.MOD: exp.Mod,
- 313        TokenType.COLLATE: exp.Collate,
- 314    }
- 315
- 316    FACTOR = {
- 317        TokenType.DIV: exp.IntDiv,
- 318        TokenType.LR_ARROW: exp.Distance,
- 319        TokenType.SLASH: exp.Div,
- 320        TokenType.STAR: exp.Mul,
- 321    }
- 322
- 323    TIMESTAMPS = {
- 324        TokenType.TIME,
- 325        TokenType.TIMESTAMP,
- 326        TokenType.TIMESTAMPTZ,
- 327        TokenType.TIMESTAMPLTZ,
- 328    }
- 329
- 330    SET_OPERATIONS = {
- 331        TokenType.UNION,
- 332        TokenType.INTERSECT,
- 333        TokenType.EXCEPT,
- 334    }
- 335
- 336    JOIN_SIDES = {
- 337        TokenType.LEFT,
- 338        TokenType.RIGHT,
- 339        TokenType.FULL,
- 340    }
- 341
- 342    JOIN_KINDS = {
- 343        TokenType.INNER,
- 344        TokenType.OUTER,
- 345        TokenType.CROSS,
- 346        TokenType.SEMI,
- 347        TokenType.ANTI,
- 348    }
- 349
- 350    LAMBDAS = {
- 351        TokenType.ARROW: lambda self, expressions: self.expression(
- 352            exp.Lambda,
- 353            this=self._parse_conjunction().transform(
- 354                self._replace_lambda, {node.name for node in expressions}
- 355            ),
- 356            expressions=expressions,
- 357        ),
- 358        TokenType.FARROW: lambda self, expressions: self.expression(
- 359            exp.Kwarg,
- 360            this=exp.Var(this=expressions[0].name),
- 361            expression=self._parse_conjunction(),
- 362        ),
- 363    }
- 364
- 365    COLUMN_OPERATORS = {
- 366        TokenType.DOT: None,
- 367        TokenType.DCOLON: lambda self, this, to: self.expression(
- 368            exp.Cast,
- 369            this=this,
- 370            to=to,
- 371        ),
- 372        TokenType.ARROW: lambda self, this, path: self.expression(
- 373            exp.JSONExtract,
- 374            this=this,
- 375            expression=path,
- 376        ),
- 377        TokenType.DARROW: lambda self, this, path: self.expression(
- 378            exp.JSONExtractScalar,
+ 160    DB_CREATABLES = {
+ 161        TokenType.DATABASE,
+ 162        TokenType.SCHEMA,
+ 163        TokenType.TABLE,
+ 164        TokenType.VIEW,
+ 165    }
+ 166
+ 167    CREATABLES = {
+ 168        TokenType.COLUMN,
+ 169        TokenType.FUNCTION,
+ 170        TokenType.INDEX,
+ 171        TokenType.PROCEDURE,
+ 172        *DB_CREATABLES,
+ 173    }
+ 174
+ 175    ID_VAR_TOKENS = {
+ 176        TokenType.VAR,
+ 177        TokenType.ANTI,
+ 178        TokenType.APPLY,
+ 179        TokenType.AUTO_INCREMENT,
+ 180        TokenType.BEGIN,
+ 181        TokenType.BOTH,
+ 182        TokenType.BUCKET,
+ 183        TokenType.CACHE,
+ 184        TokenType.CASCADE,
+ 185        TokenType.COLLATE,
+ 186        TokenType.COMMAND,
+ 187        TokenType.COMMENT,
+ 188        TokenType.COMMIT,
+ 189        TokenType.COMPOUND,
+ 190        TokenType.CONSTRAINT,
+ 191        TokenType.CURRENT_TIME,
+ 192        TokenType.DEFAULT,
+ 193        TokenType.DELETE,
+ 194        TokenType.DESCRIBE,
+ 195        TokenType.DIV,
+ 196        TokenType.END,
+ 197        TokenType.EXECUTE,
+ 198        TokenType.ESCAPE,
+ 199        TokenType.FALSE,
+ 200        TokenType.FIRST,
+ 201        TokenType.FILTER,
+ 202        TokenType.FOLLOWING,
+ 203        TokenType.FORMAT,
+ 204        TokenType.IF,
+ 205        TokenType.ISNULL,
+ 206        TokenType.INTERVAL,
+ 207        TokenType.LAZY,
+ 208        TokenType.LEADING,
+ 209        TokenType.LEFT,
+ 210        TokenType.LOCAL,
+ 211        TokenType.MATERIALIZED,
+ 212        TokenType.MERGE,
+ 213        TokenType.NATURAL,
+ 214        TokenType.NEXT,
+ 215        TokenType.OFFSET,
+ 216        TokenType.ONLY,
+ 217        TokenType.OPTIONS,
+ 218        TokenType.ORDINALITY,
+ 219        TokenType.PERCENT,
+ 220        TokenType.PIVOT,
+ 221        TokenType.PRECEDING,
+ 222        TokenType.RANGE,
+ 223        TokenType.REFERENCES,
+ 224        TokenType.RIGHT,
+ 225        TokenType.ROW,
+ 226        TokenType.ROWS,
+ 227        TokenType.SEED,
+ 228        TokenType.SEMI,
+ 229        TokenType.SET,
+ 230        TokenType.SHOW,
+ 231        TokenType.SORTKEY,
+ 232        TokenType.TEMPORARY,
+ 233        TokenType.TOP,
+ 234        TokenType.TRAILING,
+ 235        TokenType.TRUE,
+ 236        TokenType.UNBOUNDED,
+ 237        TokenType.UNIQUE,
+ 238        TokenType.UNLOGGED,
+ 239        TokenType.UNPIVOT,
+ 240        TokenType.VOLATILE,
+ 241        TokenType.WINDOW,
+ 242        *CREATABLES,
+ 243        *SUBQUERY_PREDICATES,
+ 244        *TYPE_TOKENS,
+ 245        *NO_PAREN_FUNCTIONS,
+ 246    }
+ 247
+ 248    TABLE_ALIAS_TOKENS = ID_VAR_TOKENS - {
+ 249        TokenType.APPLY,
+ 250        TokenType.LEFT,
+ 251        TokenType.NATURAL,
+ 252        TokenType.OFFSET,
+ 253        TokenType.RIGHT,
+ 254        TokenType.WINDOW,
+ 255    }
+ 256
+ 257    UPDATE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.SET}
+ 258
+ 259    TRIM_TYPES = {TokenType.LEADING, TokenType.TRAILING, TokenType.BOTH}
+ 260
+ 261    FUNC_TOKENS = {
+ 262        TokenType.COMMAND,
+ 263        TokenType.CURRENT_DATE,
+ 264        TokenType.CURRENT_DATETIME,
+ 265        TokenType.CURRENT_TIMESTAMP,
+ 266        TokenType.CURRENT_TIME,
+ 267        TokenType.FILTER,
+ 268        TokenType.FIRST,
+ 269        TokenType.FORMAT,
+ 270        TokenType.IDENTIFIER,
+ 271        TokenType.INDEX,
+ 272        TokenType.ISNULL,
+ 273        TokenType.ILIKE,
+ 274        TokenType.LIKE,
+ 275        TokenType.MERGE,
+ 276        TokenType.OFFSET,
+ 277        TokenType.PRIMARY_KEY,
+ 278        TokenType.REPLACE,
+ 279        TokenType.ROW,
+ 280        TokenType.UNNEST,
+ 281        TokenType.VAR,
+ 282        TokenType.LEFT,
+ 283        TokenType.RIGHT,
+ 284        TokenType.DATE,
+ 285        TokenType.DATETIME,
+ 286        TokenType.TABLE,
+ 287        TokenType.TIMESTAMP,
+ 288        TokenType.TIMESTAMPTZ,
+ 289        TokenType.WINDOW,
+ 290        *TYPE_TOKENS,
+ 291        *SUBQUERY_PREDICATES,
+ 292    }
+ 293
+ 294    CONJUNCTION = {
+ 295        TokenType.AND: exp.And,
+ 296        TokenType.OR: exp.Or,
+ 297    }
+ 298
+ 299    EQUALITY = {
+ 300        TokenType.EQ: exp.EQ,
+ 301        TokenType.NEQ: exp.NEQ,
+ 302        TokenType.NULLSAFE_EQ: exp.NullSafeEQ,
+ 303    }
+ 304
+ 305    COMPARISON = {
+ 306        TokenType.GT: exp.GT,
+ 307        TokenType.GTE: exp.GTE,
+ 308        TokenType.LT: exp.LT,
+ 309        TokenType.LTE: exp.LTE,
+ 310    }
+ 311
+ 312    BITWISE = {
+ 313        TokenType.AMP: exp.BitwiseAnd,
+ 314        TokenType.CARET: exp.BitwiseXor,
+ 315        TokenType.PIPE: exp.BitwiseOr,
+ 316        TokenType.DPIPE: exp.DPipe,
+ 317    }
+ 318
+ 319    TERM = {
+ 320        TokenType.DASH: exp.Sub,
+ 321        TokenType.PLUS: exp.Add,
+ 322        TokenType.MOD: exp.Mod,
+ 323        TokenType.COLLATE: exp.Collate,
+ 324    }
+ 325
+ 326    FACTOR = {
+ 327        TokenType.DIV: exp.IntDiv,
+ 328        TokenType.LR_ARROW: exp.Distance,
+ 329        TokenType.SLASH: exp.Div,
+ 330        TokenType.STAR: exp.Mul,
+ 331    }
+ 332
+ 333    TIMESTAMPS = {
+ 334        TokenType.TIME,
+ 335        TokenType.TIMESTAMP,
+ 336        TokenType.TIMESTAMPTZ,
+ 337        TokenType.TIMESTAMPLTZ,
+ 338    }
+ 339
+ 340    SET_OPERATIONS = {
+ 341        TokenType.UNION,
+ 342        TokenType.INTERSECT,
+ 343        TokenType.EXCEPT,
+ 344    }
+ 345
+ 346    JOIN_SIDES = {
+ 347        TokenType.LEFT,
+ 348        TokenType.RIGHT,
+ 349        TokenType.FULL,
+ 350    }
+ 351
+ 352    JOIN_KINDS = {
+ 353        TokenType.INNER,
+ 354        TokenType.OUTER,
+ 355        TokenType.CROSS,
+ 356        TokenType.SEMI,
+ 357        TokenType.ANTI,
+ 358    }
+ 359
+ 360    LAMBDAS = {
+ 361        TokenType.ARROW: lambda self, expressions: self.expression(
+ 362            exp.Lambda,
+ 363            this=self._parse_conjunction().transform(
+ 364                self._replace_lambda, {node.name for node in expressions}
+ 365            ),
+ 366            expressions=expressions,
+ 367        ),
+ 368        TokenType.FARROW: lambda self, expressions: self.expression(
+ 369            exp.Kwarg,
+ 370            this=exp.Var(this=expressions[0].name),
+ 371            expression=self._parse_conjunction(),
+ 372        ),
+ 373    }
+ 374
+ 375    COLUMN_OPERATORS = {
+ 376        TokenType.DOT: None,
+ 377        TokenType.DCOLON: lambda self, this, to: self.expression(
+ 378            exp.Cast,
  379            this=this,
- 380            expression=path,
+ 380            to=to,
  381        ),
- 382        TokenType.HASH_ARROW: lambda self, this, path: self.expression(
- 383            exp.JSONBExtract,
+ 382        TokenType.ARROW: lambda self, this, path: self.expression(
+ 383            exp.JSONExtract,
  384            this=this,
  385            expression=path,
  386        ),
- 387        TokenType.DHASH_ARROW: lambda self, this, path: self.expression(
- 388            exp.JSONBExtractScalar,
+ 387        TokenType.DARROW: lambda self, this, path: self.expression(
+ 388            exp.JSONExtractScalar,
  389            this=this,
  390            expression=path,
  391        ),
- 392        TokenType.PLACEHOLDER: lambda self, this, key: self.expression(
- 393            exp.JSONBContains,
+ 392        TokenType.HASH_ARROW: lambda self, this, path: self.expression(
+ 393            exp.JSONBExtract,
  394            this=this,
- 395            expression=key,
+ 395            expression=path,
  396        ),
- 397    }
- 398
- 399    EXPRESSION_PARSERS = {
- 400        exp.Column: lambda self: self._parse_column(),
- 401        exp.DataType: lambda self: self._parse_types(),
- 402        exp.From: lambda self: self._parse_from(),
- 403        exp.Group: lambda self: self._parse_group(),
- 404        exp.Identifier: lambda self: self._parse_id_var(),
- 405        exp.Lateral: lambda self: self._parse_lateral(),
- 406        exp.Join: lambda self: self._parse_join(),
- 407        exp.Order: lambda self: self._parse_order(),
- 408        exp.Cluster: lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster),
- 409        exp.Sort: lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort),
- 410        exp.Lambda: lambda self: self._parse_lambda(),
- 411        exp.Limit: lambda self: self._parse_limit(),
- 412        exp.Offset: lambda self: self._parse_offset(),
- 413        exp.TableAlias: lambda self: self._parse_table_alias(),
- 414        exp.Table: lambda self: self._parse_table(),
- 415        exp.Condition: lambda self: self._parse_conjunction(),
- 416        exp.Expression: lambda self: self._parse_statement(),
- 417        exp.Properties: lambda self: self._parse_properties(),
- 418        exp.Where: lambda self: self._parse_where(),
- 419        exp.Ordered: lambda self: self._parse_ordered(),
- 420        exp.Having: lambda self: self._parse_having(),
- 421        exp.With: lambda self: self._parse_with(),
- 422        exp.Window: lambda self: self._parse_named_window(),
- 423        "JOIN_TYPE": lambda self: self._parse_join_side_and_kind(),
- 424    }
- 425
- 426    STATEMENT_PARSERS = {
- 427        TokenType.ALTER: lambda self: self._parse_alter(),
- 428        TokenType.BEGIN: lambda self: self._parse_transaction(),
- 429        TokenType.CACHE: lambda self: self._parse_cache(),
- 430        TokenType.COMMIT: lambda self: self._parse_commit_or_rollback(),
- 431        TokenType.CREATE: lambda self: self._parse_create(),
- 432        TokenType.DELETE: lambda self: self._parse_delete(),
- 433        TokenType.DESC: lambda self: self._parse_describe(),
- 434        TokenType.DESCRIBE: lambda self: self._parse_describe(),
- 435        TokenType.DROP: lambda self: self._parse_drop(),
- 436        TokenType.END: lambda self: self._parse_commit_or_rollback(),
- 437        TokenType.INSERT: lambda self: self._parse_insert(),
- 438        TokenType.LOAD_DATA: lambda self: self._parse_load_data(),
- 439        TokenType.MERGE: lambda self: self._parse_merge(),
- 440        TokenType.ROLLBACK: lambda self: self._parse_commit_or_rollback(),
- 441        TokenType.UNCACHE: lambda self: self._parse_uncache(),
- 442        TokenType.UPDATE: lambda self: self._parse_update(),
- 443        TokenType.USE: lambda self: self.expression(
- 444            exp.Use,
- 445            kind=self._match_texts(("ROLE", "WAREHOUSE", "DATABASE", "SCHEMA"))
- 446            and exp.Var(this=self._prev.text),
- 447            this=self._parse_table(schema=False),
- 448        ),
- 449    }
- 450
- 451    UNARY_PARSERS = {
- 452        TokenType.PLUS: lambda self: self._parse_unary(),  # Unary + is handled as a no-op
- 453        TokenType.NOT: lambda self: self.expression(exp.Not, this=self._parse_equality()),
- 454        TokenType.TILDA: lambda self: self.expression(exp.BitwiseNot, this=self._parse_unary()),
- 455        TokenType.DASH: lambda self: self.expression(exp.Neg, this=self._parse_unary()),
- 456    }
- 457
- 458    PRIMARY_PARSERS = {
- 459        TokenType.STRING: lambda self, token: self.expression(
- 460            exp.Literal, this=token.text, is_string=True
- 461        ),
- 462        TokenType.NUMBER: lambda self, token: self.expression(
- 463            exp.Literal, this=token.text, is_string=False
- 464        ),
- 465        TokenType.STAR: lambda self, _: self.expression(
- 466            exp.Star,
- 467            **{"except": self._parse_except(), "replace": self._parse_replace()},
- 468        ),
- 469        TokenType.NULL: lambda self, _: self.expression(exp.Null),
- 470        TokenType.TRUE: lambda self, _: self.expression(exp.Boolean, this=True),
- 471        TokenType.FALSE: lambda self, _: self.expression(exp.Boolean, this=False),
- 472        TokenType.BIT_STRING: lambda self, token: self.expression(exp.BitString, this=token.text),
- 473        TokenType.HEX_STRING: lambda self, token: self.expression(exp.HexString, this=token.text),
- 474        TokenType.BYTE_STRING: lambda self, token: self.expression(exp.ByteString, this=token.text),
- 475        TokenType.INTRODUCER: lambda self, token: self._parse_introducer(token),
- 476        TokenType.NATIONAL: lambda self, token: self._parse_national(token),
- 477        TokenType.SESSION_PARAMETER: lambda self, _: self._parse_session_parameter(),
- 478    }
- 479
- 480    PLACEHOLDER_PARSERS = {
- 481        TokenType.PLACEHOLDER: lambda self: self.expression(exp.Placeholder),
- 482        TokenType.PARAMETER: lambda self: self._parse_parameter(),
- 483        TokenType.COLON: lambda self: self.expression(exp.Placeholder, this=self._prev.text)
- 484        if self._match_set((TokenType.NUMBER, TokenType.VAR))
- 485        else None,
- 486    }
- 487
- 488    RANGE_PARSERS = {
- 489        TokenType.BETWEEN: lambda self, this: self._parse_between(this),
- 490        TokenType.GLOB: lambda self, this: self._parse_escape(
- 491            self.expression(exp.Glob, this=this, expression=self._parse_bitwise())
- 492        ),
- 493        TokenType.IN: lambda self, this: self._parse_in(this),
- 494        TokenType.IS: lambda self, this: self._parse_is(this),
- 495        TokenType.LIKE: lambda self, this: self._parse_escape(
- 496            self.expression(exp.Like, this=this, expression=self._parse_bitwise())
- 497        ),
- 498        TokenType.ILIKE: lambda self, this: self._parse_escape(
- 499            self.expression(exp.ILike, this=this, expression=self._parse_bitwise())
- 500        ),
- 501        TokenType.IRLIKE: lambda self, this: self.expression(
- 502            exp.RegexpILike, this=this, expression=self._parse_bitwise()
+ 397        TokenType.DHASH_ARROW: lambda self, this, path: self.expression(
+ 398            exp.JSONBExtractScalar,
+ 399            this=this,
+ 400            expression=path,
+ 401        ),
+ 402        TokenType.PLACEHOLDER: lambda self, this, key: self.expression(
+ 403            exp.JSONBContains,
+ 404            this=this,
+ 405            expression=key,
+ 406        ),
+ 407    }
+ 408
+ 409    EXPRESSION_PARSERS = {
+ 410        exp.Column: lambda self: self._parse_column(),
+ 411        exp.DataType: lambda self: self._parse_types(),
+ 412        exp.From: lambda self: self._parse_from(),
+ 413        exp.Group: lambda self: self._parse_group(),
+ 414        exp.Identifier: lambda self: self._parse_id_var(),
+ 415        exp.Lateral: lambda self: self._parse_lateral(),
+ 416        exp.Join: lambda self: self._parse_join(),
+ 417        exp.Order: lambda self: self._parse_order(),
+ 418        exp.Cluster: lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster),
+ 419        exp.Sort: lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort),
+ 420        exp.Lambda: lambda self: self._parse_lambda(),
+ 421        exp.Limit: lambda self: self._parse_limit(),
+ 422        exp.Offset: lambda self: self._parse_offset(),
+ 423        exp.TableAlias: lambda self: self._parse_table_alias(),
+ 424        exp.Table: lambda self: self._parse_table(),
+ 425        exp.Condition: lambda self: self._parse_conjunction(),
+ 426        exp.Expression: lambda self: self._parse_statement(),
+ 427        exp.Properties: lambda self: self._parse_properties(),
+ 428        exp.Where: lambda self: self._parse_where(),
+ 429        exp.Ordered: lambda self: self._parse_ordered(),
+ 430        exp.Having: lambda self: self._parse_having(),
+ 431        exp.With: lambda self: self._parse_with(),
+ 432        exp.Window: lambda self: self._parse_named_window(),
+ 433        "JOIN_TYPE": lambda self: self._parse_join_side_and_kind(),
+ 434    }
+ 435
+ 436    STATEMENT_PARSERS = {
+ 437        TokenType.ALTER: lambda self: self._parse_alter(),
+ 438        TokenType.BEGIN: lambda self: self._parse_transaction(),
+ 439        TokenType.CACHE: lambda self: self._parse_cache(),
+ 440        TokenType.COMMIT: lambda self: self._parse_commit_or_rollback(),
+ 441        TokenType.COMMENT: lambda self: self._parse_comment(),
+ 442        TokenType.CREATE: lambda self: self._parse_create(),
+ 443        TokenType.DELETE: lambda self: self._parse_delete(),
+ 444        TokenType.DESC: lambda self: self._parse_describe(),
+ 445        TokenType.DESCRIBE: lambda self: self._parse_describe(),
+ 446        TokenType.DROP: lambda self: self._parse_drop(),
+ 447        TokenType.END: lambda self: self._parse_commit_or_rollback(),
+ 448        TokenType.INSERT: lambda self: self._parse_insert(),
+ 449        TokenType.LOAD_DATA: lambda self: self._parse_load_data(),
+ 450        TokenType.MERGE: lambda self: self._parse_merge(),
+ 451        TokenType.ROLLBACK: lambda self: self._parse_commit_or_rollback(),
+ 452        TokenType.UNCACHE: lambda self: self._parse_uncache(),
+ 453        TokenType.UPDATE: lambda self: self._parse_update(),
+ 454        TokenType.USE: lambda self: self.expression(
+ 455            exp.Use,
+ 456            kind=self._match_texts(("ROLE", "WAREHOUSE", "DATABASE", "SCHEMA"))
+ 457            and exp.Var(this=self._prev.text),
+ 458            this=self._parse_table(schema=False),
+ 459        ),
+ 460    }
+ 461
+ 462    UNARY_PARSERS = {
+ 463        TokenType.PLUS: lambda self: self._parse_unary(),  # Unary + is handled as a no-op
+ 464        TokenType.NOT: lambda self: self.expression(exp.Not, this=self._parse_equality()),
+ 465        TokenType.TILDA: lambda self: self.expression(exp.BitwiseNot, this=self._parse_unary()),
+ 466        TokenType.DASH: lambda self: self.expression(exp.Neg, this=self._parse_unary()),
+ 467    }
+ 468
+ 469    PRIMARY_PARSERS = {
+ 470        TokenType.STRING: lambda self, token: self.expression(
+ 471            exp.Literal, this=token.text, is_string=True
+ 472        ),
+ 473        TokenType.NUMBER: lambda self, token: self.expression(
+ 474            exp.Literal, this=token.text, is_string=False
+ 475        ),
+ 476        TokenType.STAR: lambda self, _: self.expression(
+ 477            exp.Star,
+ 478            **{"except": self._parse_except(), "replace": self._parse_replace()},
+ 479        ),
+ 480        TokenType.NULL: lambda self, _: self.expression(exp.Null),
+ 481        TokenType.TRUE: lambda self, _: self.expression(exp.Boolean, this=True),
+ 482        TokenType.FALSE: lambda self, _: self.expression(exp.Boolean, this=False),
+ 483        TokenType.BIT_STRING: lambda self, token: self.expression(exp.BitString, this=token.text),
+ 484        TokenType.HEX_STRING: lambda self, token: self.expression(exp.HexString, this=token.text),
+ 485        TokenType.BYTE_STRING: lambda self, token: self.expression(exp.ByteString, this=token.text),
+ 486        TokenType.INTRODUCER: lambda self, token: self._parse_introducer(token),
+ 487        TokenType.NATIONAL: lambda self, token: self._parse_national(token),
+ 488        TokenType.SESSION_PARAMETER: lambda self, _: self._parse_session_parameter(),
+ 489    }
+ 490
+ 491    PLACEHOLDER_PARSERS = {
+ 492        TokenType.PLACEHOLDER: lambda self: self.expression(exp.Placeholder),
+ 493        TokenType.PARAMETER: lambda self: self._parse_parameter(),
+ 494        TokenType.COLON: lambda self: self.expression(exp.Placeholder, this=self._prev.text)
+ 495        if self._match_set((TokenType.NUMBER, TokenType.VAR))
+ 496        else None,
+ 497    }
+ 498
+ 499    RANGE_PARSERS = {
+ 500        TokenType.BETWEEN: lambda self, this: self._parse_between(this),
+ 501        TokenType.GLOB: lambda self, this: self._parse_escape(
+ 502            self.expression(exp.Glob, this=this, expression=self._parse_bitwise())
  503        ),
- 504        TokenType.RLIKE: lambda self, this: self.expression(
- 505            exp.RegexpLike, this=this, expression=self._parse_bitwise()
+ 504        TokenType.OVERLAPS: lambda self, this: self._parse_escape(
+ 505            self.expression(exp.Overlaps, this=this, expression=self._parse_bitwise())
  506        ),
- 507        TokenType.SIMILAR_TO: lambda self, this: self.expression(
- 508            exp.SimilarTo, this=this, expression=self._parse_bitwise()
- 509        ),
- 510    }
- 511
- 512    PROPERTY_PARSERS = {
- 513        "AFTER": lambda self: self._parse_afterjournal(
- 514            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
- 515        ),
- 516        "ALGORITHM": lambda self: self._parse_property_assignment(exp.AlgorithmProperty),
- 517        "AUTO_INCREMENT": lambda self: self._parse_property_assignment(exp.AutoIncrementProperty),
- 518        "BEFORE": lambda self: self._parse_journal(
- 519            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
+ 507        TokenType.IN: lambda self, this: self._parse_in(this),
+ 508        TokenType.IS: lambda self, this: self._parse_is(this),
+ 509        TokenType.LIKE: lambda self, this: self._parse_escape(
+ 510            self.expression(exp.Like, this=this, expression=self._parse_bitwise())
+ 511        ),
+ 512        TokenType.ILIKE: lambda self, this: self._parse_escape(
+ 513            self.expression(exp.ILike, this=this, expression=self._parse_bitwise())
+ 514        ),
+ 515        TokenType.IRLIKE: lambda self, this: self.expression(
+ 516            exp.RegexpILike, this=this, expression=self._parse_bitwise()
+ 517        ),
+ 518        TokenType.RLIKE: lambda self, this: self.expression(
+ 519            exp.RegexpLike, this=this, expression=self._parse_bitwise()
  520        ),
- 521        "BLOCKCOMPRESSION": lambda self: self._parse_blockcompression(),
- 522        "CHARACTER SET": lambda self: self._parse_character_set(),
- 523        "CHECKSUM": lambda self: self._parse_checksum(),
- 524        "CLUSTER BY": lambda self: self.expression(
- 525            exp.Cluster, expressions=self._parse_csv(self._parse_ordered)
- 526        ),
- 527        "COLLATE": lambda self: self._parse_property_assignment(exp.CollateProperty),
- 528        "COMMENT": lambda self: self._parse_property_assignment(exp.SchemaCommentProperty),
- 529        "DATABLOCKSIZE": lambda self: self._parse_datablocksize(
- 530            default=self._prev.text.upper() == "DEFAULT"
- 531        ),
- 532        "DEFINER": lambda self: self._parse_definer(),
- 533        "DETERMINISTIC": lambda self: self.expression(
- 534            exp.VolatilityProperty, this=exp.Literal.string("IMMUTABLE")
- 535        ),
- 536        "DISTKEY": lambda self: self._parse_distkey(),
- 537        "DISTSTYLE": lambda self: self._parse_property_assignment(exp.DistStyleProperty),
- 538        "EXECUTE": lambda self: self._parse_property_assignment(exp.ExecuteAsProperty),
- 539        "EXTERNAL": lambda self: self.expression(exp.ExternalProperty),
- 540        "FALLBACK": lambda self: self._parse_fallback(no=self._prev.text.upper() == "NO"),
- 541        "FORMAT": lambda self: self._parse_property_assignment(exp.FileFormatProperty),
- 542        "FREESPACE": lambda self: self._parse_freespace(),
- 543        "GLOBAL": lambda self: self._parse_temporary(global_=True),
- 544        "IMMUTABLE": lambda self: self.expression(
- 545            exp.VolatilityProperty, this=exp.Literal.string("IMMUTABLE")
- 546        ),
- 547        "JOURNAL": lambda self: self._parse_journal(
- 548            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
+ 521        TokenType.SIMILAR_TO: lambda self, this: self.expression(
+ 522            exp.SimilarTo, this=this, expression=self._parse_bitwise()
+ 523        ),
+ 524    }
+ 525
+ 526    PROPERTY_PARSERS = {
+ 527        "AFTER": lambda self: self._parse_afterjournal(
+ 528            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
+ 529        ),
+ 530        "ALGORITHM": lambda self: self._parse_property_assignment(exp.AlgorithmProperty),
+ 531        "AUTO_INCREMENT": lambda self: self._parse_property_assignment(exp.AutoIncrementProperty),
+ 532        "BEFORE": lambda self: self._parse_journal(
+ 533            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
+ 534        ),
+ 535        "BLOCKCOMPRESSION": lambda self: self._parse_blockcompression(),
+ 536        "CHARACTER SET": lambda self: self._parse_character_set(),
+ 537        "CHECKSUM": lambda self: self._parse_checksum(),
+ 538        "CLUSTER BY": lambda self: self.expression(
+ 539            exp.Cluster, expressions=self._parse_csv(self._parse_ordered)
+ 540        ),
+ 541        "COLLATE": lambda self: self._parse_property_assignment(exp.CollateProperty),
+ 542        "COMMENT": lambda self: self._parse_property_assignment(exp.SchemaCommentProperty),
+ 543        "DATABLOCKSIZE": lambda self: self._parse_datablocksize(
+ 544            default=self._prev.text.upper() == "DEFAULT"
+ 545        ),
+ 546        "DEFINER": lambda self: self._parse_definer(),
+ 547        "DETERMINISTIC": lambda self: self.expression(
+ 548            exp.VolatilityProperty, this=exp.Literal.string("IMMUTABLE")
  549        ),
- 550        "LANGUAGE": lambda self: self._parse_property_assignment(exp.LanguageProperty),
- 551        "LIKE": lambda self: self._parse_create_like(),
- 552        "LOCAL": lambda self: self._parse_afterjournal(no=False, dual=False, local=True),
- 553        "LOCATION": lambda self: self._parse_property_assignment(exp.LocationProperty),
- 554        "LOCK": lambda self: self._parse_locking(),
- 555        "LOCKING": lambda self: self._parse_locking(),
- 556        "LOG": lambda self: self._parse_log(no=self._prev.text.upper() == "NO"),
- 557        "MATERIALIZED": lambda self: self.expression(exp.MaterializedProperty),
- 558        "MAX": lambda self: self._parse_datablocksize(),
- 559        "MAXIMUM": lambda self: self._parse_datablocksize(),
- 560        "MERGEBLOCKRATIO": lambda self: self._parse_mergeblockratio(
- 561            no=self._prev.text.upper() == "NO", default=self._prev.text.upper() == "DEFAULT"
- 562        ),
- 563        "MIN": lambda self: self._parse_datablocksize(),
- 564        "MINIMUM": lambda self: self._parse_datablocksize(),
- 565        "MULTISET": lambda self: self.expression(exp.SetProperty, multi=True),
- 566        "NO": lambda self: self._parse_noprimaryindex(),
- 567        "NOT": lambda self: self._parse_afterjournal(no=False, dual=False, local=False),
- 568        "ON": lambda self: self._parse_oncommit(),
- 569        "PARTITION BY": lambda self: self._parse_partitioned_by(),
- 570        "PARTITIONED BY": lambda self: self._parse_partitioned_by(),
- 571        "PARTITIONED_BY": lambda self: self._parse_partitioned_by(),
- 572        "RETURNS": lambda self: self._parse_returns(),
- 573        "ROW": lambda self: self._parse_row(),
- 574        "SET": lambda self: self.expression(exp.SetProperty, multi=False),
- 575        "SORTKEY": lambda self: self._parse_sortkey(),
- 576        "STABLE": lambda self: self.expression(
- 577            exp.VolatilityProperty, this=exp.Literal.string("STABLE")
- 578        ),
- 579        "STORED": lambda self: self._parse_property_assignment(exp.FileFormatProperty),
- 580        "TABLE_FORMAT": lambda self: self._parse_property_assignment(exp.TableFormatProperty),
- 581        "TBLPROPERTIES": lambda self: self._parse_wrapped_csv(self._parse_property),
- 582        "TEMPORARY": lambda self: self._parse_temporary(global_=False),
- 583        "TRANSIENT": lambda self: self.expression(exp.TransientProperty),
- 584        "USING": lambda self: self._parse_property_assignment(exp.TableFormatProperty),
- 585        "VOLATILE": lambda self: self.expression(
- 586            exp.VolatilityProperty, this=exp.Literal.string("VOLATILE")
- 587        ),
- 588        "WITH": lambda self: self._parse_with_property(),
- 589    }
- 590
- 591    CONSTRAINT_PARSERS = {
- 592        "AUTOINCREMENT": lambda self: self._parse_auto_increment(),
- 593        "AUTO_INCREMENT": lambda self: self._parse_auto_increment(),
- 594        "CASESPECIFIC": lambda self: self.expression(exp.CaseSpecificColumnConstraint, not_=False),
- 595        "CHARACTER SET": lambda self: self.expression(
- 596            exp.CharacterSetColumnConstraint, this=self._parse_var_or_string()
- 597        ),
- 598        "CHECK": lambda self: self.expression(
- 599            exp.CheckColumnConstraint, this=self._parse_wrapped(self._parse_conjunction)
- 600        ),
- 601        "COLLATE": lambda self: self.expression(
- 602            exp.CollateColumnConstraint, this=self._parse_var()
- 603        ),
- 604        "COMMENT": lambda self: self.expression(
- 605            exp.CommentColumnConstraint, this=self._parse_string()
- 606        ),
- 607        "COMPRESS": lambda self: self._parse_compress(),
- 608        "DEFAULT": lambda self: self.expression(
- 609            exp.DefaultColumnConstraint, this=self._parse_bitwise()
- 610        ),
- 611        "ENCODE": lambda self: self.expression(exp.EncodeColumnConstraint, this=self._parse_var()),
- 612        "FOREIGN KEY": lambda self: self._parse_foreign_key(),
- 613        "FORMAT": lambda self: self.expression(
- 614            exp.DateFormatColumnConstraint, this=self._parse_var_or_string()
- 615        ),
- 616        "GENERATED": lambda self: self._parse_generated_as_identity(),
- 617        "IDENTITY": lambda self: self._parse_auto_increment(),
- 618        "INLINE": lambda self: self._parse_inline(),
- 619        "LIKE": lambda self: self._parse_create_like(),
- 620        "NOT": lambda self: self._parse_not_constraint(),
- 621        "NULL": lambda self: self.expression(exp.NotNullColumnConstraint, allow_null=True),
- 622        "PATH": lambda self: self.expression(exp.PathColumnConstraint, this=self._parse_string()),
- 623        "PRIMARY KEY": lambda self: self._parse_primary_key(),
- 624        "TITLE": lambda self: self.expression(
- 625            exp.TitleColumnConstraint, this=self._parse_var_or_string()
- 626        ),
- 627        "UNIQUE": lambda self: self._parse_unique(),
- 628        "UPPERCASE": lambda self: self.expression(exp.UppercaseColumnConstraint),
- 629    }
- 630
- 631    SCHEMA_UNNAMED_CONSTRAINTS = {"CHECK", "FOREIGN KEY", "LIKE", "PRIMARY KEY", "UNIQUE"}
- 632
- 633    NO_PAREN_FUNCTION_PARSERS = {
- 634        TokenType.CASE: lambda self: self._parse_case(),
- 635        TokenType.IF: lambda self: self._parse_if(),
- 636        TokenType.ANY: lambda self: self.expression(exp.Any, this=self._parse_bitwise()),
- 637    }
- 638
- 639    FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
- 640        "CONVERT": lambda self: self._parse_convert(self.STRICT_CAST),
- 641        "TRY_CONVERT": lambda self: self._parse_convert(False),
- 642        "EXTRACT": lambda self: self._parse_extract(),
- 643        "POSITION": lambda self: self._parse_position(),
- 644        "SUBSTRING": lambda self: self._parse_substring(),
- 645        "TRIM": lambda self: self._parse_trim(),
- 646        "CAST": lambda self: self._parse_cast(self.STRICT_CAST),
- 647        "TRY_CAST": lambda self: self._parse_cast(False),
- 648        "STRING_AGG": lambda self: self._parse_string_agg(),
- 649    }
- 650
- 651    QUERY_MODIFIER_PARSERS = {
- 652        "match": lambda self: self._parse_match_recognize(),
- 653        "where": lambda self: self._parse_where(),
- 654        "group": lambda self: self._parse_group(),
- 655        "having": lambda self: self._parse_having(),
- 656        "qualify": lambda self: self._parse_qualify(),
- 657        "windows": lambda self: self._parse_window_clause(),
- 658        "distribute": lambda self: self._parse_sort(TokenType.DISTRIBUTE_BY, exp.Distribute),
- 659        "sort": lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort),
- 660        "cluster": lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster),
- 661        "order": lambda self: self._parse_order(),
- 662        "limit": lambda self: self._parse_limit(),
- 663        "offset": lambda self: self._parse_offset(),
- 664        "lock": lambda self: self._parse_lock(),
- 665    }
- 666
- 667    SHOW_PARSERS: t.Dict[str, t.Callable] = {}
- 668    SET_PARSERS: t.Dict[str, t.Callable] = {}
- 669
- 670    MODIFIABLES = (exp.Subquery, exp.Subqueryable, exp.Table)
- 671
- 672    CREATABLES = {
- 673        TokenType.COLUMN,
- 674        TokenType.FUNCTION,
- 675        TokenType.INDEX,
- 676        TokenType.PROCEDURE,
- 677        TokenType.SCHEMA,
- 678        TokenType.TABLE,
- 679        TokenType.VIEW,
- 680    }
- 681
- 682    TRANSACTION_KIND = {"DEFERRED", "IMMEDIATE", "EXCLUSIVE"}
- 683
- 684    INSERT_ALTERNATIVES = {"ABORT", "FAIL", "IGNORE", "REPLACE", "ROLLBACK"}
- 685
- 686    WINDOW_ALIAS_TOKENS = ID_VAR_TOKENS - {TokenType.ROWS}
- 687
- 688    ADD_CONSTRAINT_TOKENS = {TokenType.CONSTRAINT, TokenType.PRIMARY_KEY, TokenType.FOREIGN_KEY}
- 689
- 690    STRICT_CAST = True
+ 550        "DISTKEY": lambda self: self._parse_distkey(),
+ 551        "DISTSTYLE": lambda self: self._parse_property_assignment(exp.DistStyleProperty),
+ 552        "EXECUTE": lambda self: self._parse_property_assignment(exp.ExecuteAsProperty),
+ 553        "EXTERNAL": lambda self: self.expression(exp.ExternalProperty),
+ 554        "FALLBACK": lambda self: self._parse_fallback(no=self._prev.text.upper() == "NO"),
+ 555        "FORMAT": lambda self: self._parse_property_assignment(exp.FileFormatProperty),
+ 556        "FREESPACE": lambda self: self._parse_freespace(),
+ 557        "GLOBAL": lambda self: self._parse_temporary(global_=True),
+ 558        "IMMUTABLE": lambda self: self.expression(
+ 559            exp.VolatilityProperty, this=exp.Literal.string("IMMUTABLE")
+ 560        ),
+ 561        "JOURNAL": lambda self: self._parse_journal(
+ 562            no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL"
+ 563        ),
+ 564        "LANGUAGE": lambda self: self._parse_property_assignment(exp.LanguageProperty),
+ 565        "LIKE": lambda self: self._parse_create_like(),
+ 566        "LOCAL": lambda self: self._parse_afterjournal(no=False, dual=False, local=True),
+ 567        "LOCATION": lambda self: self._parse_property_assignment(exp.LocationProperty),
+ 568        "LOCK": lambda self: self._parse_locking(),
+ 569        "LOCKING": lambda self: self._parse_locking(),
+ 570        "LOG": lambda self: self._parse_log(no=self._prev.text.upper() == "NO"),
+ 571        "MATERIALIZED": lambda self: self.expression(exp.MaterializedProperty),
+ 572        "MAX": lambda self: self._parse_datablocksize(),
+ 573        "MAXIMUM": lambda self: self._parse_datablocksize(),
+ 574        "MERGEBLOCKRATIO": lambda self: self._parse_mergeblockratio(
+ 575            no=self._prev.text.upper() == "NO", default=self._prev.text.upper() == "DEFAULT"
+ 576        ),
+ 577        "MIN": lambda self: self._parse_datablocksize(),
+ 578        "MINIMUM": lambda self: self._parse_datablocksize(),
+ 579        "MULTISET": lambda self: self.expression(exp.SetProperty, multi=True),
+ 580        "NO": lambda self: self._parse_noprimaryindex(),
+ 581        "NOT": lambda self: self._parse_afterjournal(no=False, dual=False, local=False),
+ 582        "ON": lambda self: self._parse_oncommit(),
+ 583        "PARTITION BY": lambda self: self._parse_partitioned_by(),
+ 584        "PARTITIONED BY": lambda self: self._parse_partitioned_by(),
+ 585        "PARTITIONED_BY": lambda self: self._parse_partitioned_by(),
+ 586        "RETURNS": lambda self: self._parse_returns(),
+ 587        "ROW": lambda self: self._parse_row(),
+ 588        "SET": lambda self: self.expression(exp.SetProperty, multi=False),
+ 589        "SORTKEY": lambda self: self._parse_sortkey(),
+ 590        "STABLE": lambda self: self.expression(
+ 591            exp.VolatilityProperty, this=exp.Literal.string("STABLE")
+ 592        ),
+ 593        "STORED": lambda self: self._parse_property_assignment(exp.FileFormatProperty),
+ 594        "TABLE_FORMAT": lambda self: self._parse_property_assignment(exp.TableFormatProperty),
+ 595        "TBLPROPERTIES": lambda self: self._parse_wrapped_csv(self._parse_property),
+ 596        "TEMPORARY": lambda self: self._parse_temporary(global_=False),
+ 597        "TRANSIENT": lambda self: self.expression(exp.TransientProperty),
+ 598        "USING": lambda self: self._parse_property_assignment(exp.TableFormatProperty),
+ 599        "VOLATILE": lambda self: self.expression(
+ 600            exp.VolatilityProperty, this=exp.Literal.string("VOLATILE")
+ 601        ),
+ 602        "WITH": lambda self: self._parse_with_property(),
+ 603    }
+ 604
+ 605    CONSTRAINT_PARSERS = {
+ 606        "AUTOINCREMENT": lambda self: self._parse_auto_increment(),
+ 607        "AUTO_INCREMENT": lambda self: self._parse_auto_increment(),
+ 608        "CASESPECIFIC": lambda self: self.expression(exp.CaseSpecificColumnConstraint, not_=False),
+ 609        "CHARACTER SET": lambda self: self.expression(
+ 610            exp.CharacterSetColumnConstraint, this=self._parse_var_or_string()
+ 611        ),
+ 612        "CHECK": lambda self: self.expression(
+ 613            exp.CheckColumnConstraint, this=self._parse_wrapped(self._parse_conjunction)
+ 614        ),
+ 615        "COLLATE": lambda self: self.expression(
+ 616            exp.CollateColumnConstraint, this=self._parse_var()
+ 617        ),
+ 618        "COMMENT": lambda self: self.expression(
+ 619            exp.CommentColumnConstraint, this=self._parse_string()
+ 620        ),
+ 621        "COMPRESS": lambda self: self._parse_compress(),
+ 622        "DEFAULT": lambda self: self.expression(
+ 623            exp.DefaultColumnConstraint, this=self._parse_bitwise()
+ 624        ),
+ 625        "ENCODE": lambda self: self.expression(exp.EncodeColumnConstraint, this=self._parse_var()),
+ 626        "FOREIGN KEY": lambda self: self._parse_foreign_key(),
+ 627        "FORMAT": lambda self: self.expression(
+ 628            exp.DateFormatColumnConstraint, this=self._parse_var_or_string()
+ 629        ),
+ 630        "GENERATED": lambda self: self._parse_generated_as_identity(),
+ 631        "IDENTITY": lambda self: self._parse_auto_increment(),
+ 632        "INLINE": lambda self: self._parse_inline(),
+ 633        "LIKE": lambda self: self._parse_create_like(),
+ 634        "NOT": lambda self: self._parse_not_constraint(),
+ 635        "NULL": lambda self: self.expression(exp.NotNullColumnConstraint, allow_null=True),
+ 636        "PATH": lambda self: self.expression(exp.PathColumnConstraint, this=self._parse_string()),
+ 637        "PRIMARY KEY": lambda self: self._parse_primary_key(),
+ 638        "TITLE": lambda self: self.expression(
+ 639            exp.TitleColumnConstraint, this=self._parse_var_or_string()
+ 640        ),
+ 641        "UNIQUE": lambda self: self._parse_unique(),
+ 642        "UPPERCASE": lambda self: self.expression(exp.UppercaseColumnConstraint),
+ 643    }
+ 644
+ 645    ALTER_PARSERS = {
+ 646        "ADD": lambda self: self._parse_alter_table_add(),
+ 647        "ALTER": lambda self: self._parse_alter_table_alter(),
+ 648        "DELETE": lambda self: self.expression(exp.Delete, where=self._parse_where()),
+ 649        "DROP": lambda self: self._parse_alter_table_drop(),
+ 650        "RENAME": lambda self: self._parse_alter_table_rename(),
+ 651    }
+ 652
+ 653    SCHEMA_UNNAMED_CONSTRAINTS = {"CHECK", "FOREIGN KEY", "LIKE", "PRIMARY KEY", "UNIQUE"}
+ 654
+ 655    NO_PAREN_FUNCTION_PARSERS = {
+ 656        TokenType.CASE: lambda self: self._parse_case(),
+ 657        TokenType.IF: lambda self: self._parse_if(),
+ 658        TokenType.ANY: lambda self: self.expression(exp.Any, this=self._parse_bitwise()),
+ 659    }
+ 660
+ 661    FUNCTION_PARSERS: t.Dict[str, t.Callable] = {
+ 662        "CONVERT": lambda self: self._parse_convert(self.STRICT_CAST),
+ 663        "TRY_CONVERT": lambda self: self._parse_convert(False),
+ 664        "EXTRACT": lambda self: self._parse_extract(),
+ 665        "POSITION": lambda self: self._parse_position(),
+ 666        "SUBSTRING": lambda self: self._parse_substring(),
+ 667        "TRIM": lambda self: self._parse_trim(),
+ 668        "CAST": lambda self: self._parse_cast(self.STRICT_CAST),
+ 669        "TRY_CAST": lambda self: self._parse_cast(False),
+ 670        "STRING_AGG": lambda self: self._parse_string_agg(),
+ 671    }
+ 672
+ 673    QUERY_MODIFIER_PARSERS = {
+ 674        "match": lambda self: self._parse_match_recognize(),
+ 675        "where": lambda self: self._parse_where(),
+ 676        "group": lambda self: self._parse_group(),
+ 677        "having": lambda self: self._parse_having(),
+ 678        "qualify": lambda self: self._parse_qualify(),
+ 679        "windows": lambda self: self._parse_window_clause(),
+ 680        "distribute": lambda self: self._parse_sort(TokenType.DISTRIBUTE_BY, exp.Distribute),
+ 681        "sort": lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort),
+ 682        "cluster": lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster),
+ 683        "order": lambda self: self._parse_order(),
+ 684        "limit": lambda self: self._parse_limit(),
+ 685        "offset": lambda self: self._parse_offset(),
+ 686        "lock": lambda self: self._parse_lock(),
+ 687    }
+ 688
+ 689    SHOW_PARSERS: t.Dict[str, t.Callable] = {}
+ 690    SET_PARSERS: t.Dict[str, t.Callable] = {}
  691
- 692    __slots__ = (
- 693        "error_level",
- 694        "error_message_context",
- 695        "sql",
- 696        "errors",
- 697        "index_offset",
- 698        "unnest_column_only",
- 699        "alias_post_tablesample",
- 700        "max_errors",
- 701        "null_ordering",
- 702        "_tokens",
- 703        "_index",
- 704        "_curr",
- 705        "_next",
- 706        "_prev",
- 707        "_prev_comments",
- 708        "_show_trie",
- 709        "_set_trie",
- 710    )
- 711
- 712    def __init__(
- 713        self,
- 714        error_level: t.Optional[ErrorLevel] = None,
- 715        error_message_context: int = 100,
- 716        index_offset: int = 0,
- 717        unnest_column_only: bool = False,
- 718        alias_post_tablesample: bool = False,
- 719        max_errors: int = 3,
- 720        null_ordering: t.Optional[str] = None,
- 721    ):
- 722        self.error_level = error_level or ErrorLevel.IMMEDIATE
- 723        self.error_message_context = error_message_context
- 724        self.index_offset = index_offset
- 725        self.unnest_column_only = unnest_column_only
- 726        self.alias_post_tablesample = alias_post_tablesample
- 727        self.max_errors = max_errors
- 728        self.null_ordering = null_ordering
- 729        self.reset()
- 730
- 731    def reset(self):
- 732        self.sql = ""
- 733        self.errors = []
- 734        self._tokens = []
- 735        self._index = 0
- 736        self._curr = None
- 737        self._next = None
- 738        self._prev = None
- 739        self._prev_comments = None
- 740
- 741    def parse(
- 742        self, raw_tokens: t.List[Token], sql: t.Optional[str] = None
- 743    ) -> t.List[t.Optional[exp.Expression]]:
- 744        """
- 745        Parses a list of tokens and returns a list of syntax trees, one tree
- 746        per parsed SQL statement.
- 747
- 748        Args:
- 749            raw_tokens: the list of tokens.
- 750            sql: the original SQL string, used to produce helpful debug messages.
- 751
- 752        Returns:
- 753            The list of syntax trees.
- 754        """
- 755        return self._parse(
- 756            parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql
- 757        )
- 758
- 759    def parse_into(
- 760        self,
- 761        expression_types: exp.IntoType,
- 762        raw_tokens: t.List[Token],
- 763        sql: t.Optional[str] = None,
- 764    ) -> t.List[t.Optional[exp.Expression]]:
- 765        """
- 766        Parses a list of tokens into a given Expression type. If a collection of Expression
- 767        types is given instead, this method will try to parse the token list into each one
- 768        of them, stopping at the first for which the parsing succeeds.
- 769
- 770        Args:
- 771            expression_types: the expression type(s) to try and parse the token list into.
- 772            raw_tokens: the list of tokens.
- 773            sql: the original SQL string, used to produce helpful debug messages.
- 774
- 775        Returns:
- 776            The target Expression.
- 777        """
- 778        errors = []
- 779        for expression_type in ensure_collection(expression_types):
- 780            parser = self.EXPRESSION_PARSERS.get(expression_type)
- 781            if not parser:
- 782                raise TypeError(f"No parser registered for {expression_type}")
- 783            try:
- 784                return self._parse(parser, raw_tokens, sql)
- 785            except ParseError as e:
- 786                e.errors[0]["into_expression"] = expression_type
- 787                errors.append(e)
- 788        raise ParseError(
- 789            f"Failed to parse into {expression_types}",
- 790            errors=merge_errors(errors),
- 791        ) from errors[-1]
- 792
- 793    def _parse(
- 794        self,
- 795        parse_method: t.Callable[[Parser], t.Optional[exp.Expression]],
- 796        raw_tokens: t.List[Token],
- 797        sql: t.Optional[str] = None,
- 798    ) -> t.List[t.Optional[exp.Expression]]:
- 799        self.reset()
- 800        self.sql = sql or ""
- 801        total = len(raw_tokens)
- 802        chunks: t.List[t.List[Token]] = [[]]
- 803
- 804        for i, token in enumerate(raw_tokens):
- 805            if token.token_type == TokenType.SEMICOLON:
- 806                if i < total - 1:
- 807                    chunks.append([])
- 808            else:
- 809                chunks[-1].append(token)
- 810
- 811        expressions = []
- 812
- 813        for tokens in chunks:
- 814            self._index = -1
- 815            self._tokens = tokens
- 816            self._advance()
- 817
- 818            expressions.append(parse_method(self))
- 819
- 820            if self._index < len(self._tokens):
- 821                self.raise_error("Invalid expression / Unexpected token")
+ 692    MODIFIABLES = (exp.Subquery, exp.Subqueryable, exp.Table)
+ 693
+ 694    TRANSACTION_KIND = {"DEFERRED", "IMMEDIATE", "EXCLUSIVE"}
+ 695
+ 696    INSERT_ALTERNATIVES = {"ABORT", "FAIL", "IGNORE", "REPLACE", "ROLLBACK"}
+ 697
+ 698    WINDOW_ALIAS_TOKENS = ID_VAR_TOKENS - {TokenType.ROWS}
+ 699
+ 700    ADD_CONSTRAINT_TOKENS = {TokenType.CONSTRAINT, TokenType.PRIMARY_KEY, TokenType.FOREIGN_KEY}
+ 701
+ 702    STRICT_CAST = True
+ 703
+ 704    __slots__ = (
+ 705        "error_level",
+ 706        "error_message_context",
+ 707        "sql",
+ 708        "errors",
+ 709        "index_offset",
+ 710        "unnest_column_only",
+ 711        "alias_post_tablesample",
+ 712        "max_errors",
+ 713        "null_ordering",
+ 714        "_tokens",
+ 715        "_index",
+ 716        "_curr",
+ 717        "_next",
+ 718        "_prev",
+ 719        "_prev_comments",
+ 720        "_show_trie",
+ 721        "_set_trie",
+ 722    )
+ 723
+ 724    def __init__(
+ 725        self,
+ 726        error_level: t.Optional[ErrorLevel] = None,
+ 727        error_message_context: int = 100,
+ 728        index_offset: int = 0,
+ 729        unnest_column_only: bool = False,
+ 730        alias_post_tablesample: bool = False,
+ 731        max_errors: int = 3,
+ 732        null_ordering: t.Optional[str] = None,
+ 733    ):
+ 734        self.error_level = error_level or ErrorLevel.IMMEDIATE
+ 735        self.error_message_context = error_message_context
+ 736        self.index_offset = index_offset
+ 737        self.unnest_column_only = unnest_column_only
+ 738        self.alias_post_tablesample = alias_post_tablesample
+ 739        self.max_errors = max_errors
+ 740        self.null_ordering = null_ordering
+ 741        self.reset()
+ 742
+ 743    def reset(self):
+ 744        self.sql = ""
+ 745        self.errors = []
+ 746        self._tokens = []
+ 747        self._index = 0
+ 748        self._curr = None
+ 749        self._next = None
+ 750        self._prev = None
+ 751        self._prev_comments = None
+ 752
+ 753    def parse(
+ 754        self, raw_tokens: t.List[Token], sql: t.Optional[str] = None
+ 755    ) -> t.List[t.Optional[exp.Expression]]:
+ 756        """
+ 757        Parses a list of tokens and returns a list of syntax trees, one tree
+ 758        per parsed SQL statement.
+ 759
+ 760        Args:
+ 761            raw_tokens: the list of tokens.
+ 762            sql: the original SQL string, used to produce helpful debug messages.
+ 763
+ 764        Returns:
+ 765            The list of syntax trees.
+ 766        """
+ 767        return self._parse(
+ 768            parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql
+ 769        )
+ 770
+ 771    def parse_into(
+ 772        self,
+ 773        expression_types: exp.IntoType,
+ 774        raw_tokens: t.List[Token],
+ 775        sql: t.Optional[str] = None,
+ 776    ) -> t.List[t.Optional[exp.Expression]]:
+ 777        """
+ 778        Parses a list of tokens into a given Expression type. If a collection of Expression
+ 779        types is given instead, this method will try to parse the token list into each one
+ 780        of them, stopping at the first for which the parsing succeeds.
+ 781
+ 782        Args:
+ 783            expression_types: the expression type(s) to try and parse the token list into.
+ 784            raw_tokens: the list of tokens.
+ 785            sql: the original SQL string, used to produce helpful debug messages.
+ 786
+ 787        Returns:
+ 788            The target Expression.
+ 789        """
+ 790        errors = []
+ 791        for expression_type in ensure_collection(expression_types):
+ 792            parser = self.EXPRESSION_PARSERS.get(expression_type)
+ 793            if not parser:
+ 794                raise TypeError(f"No parser registered for {expression_type}")
+ 795            try:
+ 796                return self._parse(parser, raw_tokens, sql)
+ 797            except ParseError as e:
+ 798                e.errors[0]["into_expression"] = expression_type
+ 799                errors.append(e)
+ 800        raise ParseError(
+ 801            f"Failed to parse into {expression_types}",
+ 802            errors=merge_errors(errors),
+ 803        ) from errors[-1]
+ 804
+ 805    def _parse(
+ 806        self,
+ 807        parse_method: t.Callable[[Parser], t.Optional[exp.Expression]],
+ 808        raw_tokens: t.List[Token],
+ 809        sql: t.Optional[str] = None,
+ 810    ) -> t.List[t.Optional[exp.Expression]]:
+ 811        self.reset()
+ 812        self.sql = sql or ""
+ 813        total = len(raw_tokens)
+ 814        chunks: t.List[t.List[Token]] = [[]]
+ 815
+ 816        for i, token in enumerate(raw_tokens):
+ 817            if token.token_type == TokenType.SEMICOLON:
+ 818                if i < total - 1:
+ 819                    chunks.append([])
+ 820            else:
+ 821                chunks[-1].append(token)
  822
- 823            self.check_errors()
+ 823        expressions = []
  824
- 825        return expressions
- 826
- 827    def check_errors(self) -> None:
- 828        """
- 829        Logs or raises any found errors, depending on the chosen error level setting.
- 830        """
- 831        if self.error_level == ErrorLevel.WARN:
- 832            for error in self.errors:
- 833                logger.error(str(error))
- 834        elif self.error_level == ErrorLevel.RAISE and self.errors:
- 835            raise ParseError(
- 836                concat_messages(self.errors, self.max_errors),
- 837                errors=merge_errors(self.errors),
- 838            )
- 839
- 840    def raise_error(self, message: str, token: t.Optional[Token] = None) -> None:
- 841        """
- 842        Appends an error in the list of recorded errors or raises it, depending on the chosen
- 843        error level setting.
- 844        """
- 845        token = token or self._curr or self._prev or Token.string("")
- 846        start = self._find_token(token)
- 847        end = start + len(token.text)
- 848        start_context = self.sql[max(start - self.error_message_context, 0) : start]
- 849        highlight = self.sql[start:end]
- 850        end_context = self.sql[end : end + self.error_message_context]
+ 825        for tokens in chunks:
+ 826            self._index = -1
+ 827            self._tokens = tokens
+ 828            self._advance()
+ 829
+ 830            expressions.append(parse_method(self))
+ 831
+ 832            if self._index < len(self._tokens):
+ 833                self.raise_error("Invalid expression / Unexpected token")
+ 834
+ 835            self.check_errors()
+ 836
+ 837        return expressions
+ 838
+ 839    def check_errors(self) -> None:
+ 840        """
+ 841        Logs or raises any found errors, depending on the chosen error level setting.
+ 842        """
+ 843        if self.error_level == ErrorLevel.WARN:
+ 844            for error in self.errors:
+ 845                logger.error(str(error))
+ 846        elif self.error_level == ErrorLevel.RAISE and self.errors:
+ 847            raise ParseError(
+ 848                concat_messages(self.errors, self.max_errors),
+ 849                errors=merge_errors(self.errors),
+ 850            )
  851
- 852        error = ParseError.new(
- 853            f"{message}. Line {token.line}, Col: {token.col}.\n"
- 854            f"  {start_context}\033[4m{highlight}\033[0m{end_context}",
- 855            description=message,
- 856            line=token.line,
- 857            col=token.col,
- 858            start_context=start_context,
- 859            highlight=highlight,
- 860            end_context=end_context,
- 861        )
- 862
- 863        if self.error_level == ErrorLevel.IMMEDIATE:
- 864            raise error
- 865
- 866        self.errors.append(error)
- 867
- 868    def expression(
- 869        self, exp_class: t.Type[exp.Expression], comments: t.Optional[t.List[str]] = None, **kwargs
- 870    ) -> exp.Expression:
- 871        """
- 872        Creates a new, validated Expression.
- 873
- 874        Args:
- 875            exp_class: the expression class to instantiate.
- 876            comments: an optional list of comments to attach to the expression.
- 877            kwargs: the arguments to set for the expression along with their respective values.
- 878
- 879        Returns:
- 880            The target expression.
- 881        """
- 882        instance = exp_class(**kwargs)
- 883        if self._prev_comments:
- 884            instance.comments = self._prev_comments
- 885            self._prev_comments = None
- 886        if comments:
- 887            instance.comments = comments
- 888        self.validate_expression(instance)
- 889        return instance
+ 852    def raise_error(self, message: str, token: t.Optional[Token] = None) -> None:
+ 853        """
+ 854        Appends an error in the list of recorded errors or raises it, depending on the chosen
+ 855        error level setting.
+ 856        """
+ 857        token = token or self._curr or self._prev or Token.string("")
+ 858        start = self._find_token(token)
+ 859        end = start + len(token.text)
+ 860        start_context = self.sql[max(start - self.error_message_context, 0) : start]
+ 861        highlight = self.sql[start:end]
+ 862        end_context = self.sql[end : end + self.error_message_context]
+ 863
+ 864        error = ParseError.new(
+ 865            f"{message}. Line {token.line}, Col: {token.col}.\n"
+ 866            f"  {start_context}\033[4m{highlight}\033[0m{end_context}",
+ 867            description=message,
+ 868            line=token.line,
+ 869            col=token.col,
+ 870            start_context=start_context,
+ 871            highlight=highlight,
+ 872            end_context=end_context,
+ 873        )
+ 874
+ 875        if self.error_level == ErrorLevel.IMMEDIATE:
+ 876            raise error
+ 877
+ 878        self.errors.append(error)
+ 879
+ 880    def expression(
+ 881        self, exp_class: t.Type[exp.Expression], comments: t.Optional[t.List[str]] = None, **kwargs
+ 882    ) -> exp.Expression:
+ 883        """
+ 884        Creates a new, validated Expression.
+ 885
+ 886        Args:
+ 887            exp_class: the expression class to instantiate.
+ 888            comments: an optional list of comments to attach to the expression.
+ 889            kwargs: the arguments to set for the expression along with their respective values.
  890
- 891    def validate_expression(
- 892        self, expression: exp.Expression, args: t.Optional[t.List] = None
- 893    ) -> None:
- 894        """
- 895        Validates an already instantiated expression, making sure that all its mandatory arguments
- 896        are set.
- 897
- 898        Args:
- 899            expression: the expression to validate.
- 900            args: an optional list of items that was used to instantiate the expression, if it's a Func.
- 901        """
- 902        if self.error_level == ErrorLevel.IGNORE:
- 903            return
- 904
- 905        for error_message in expression.error_messages(args):
- 906            self.raise_error(error_message)
- 907
- 908    def _find_sql(self, start: Token, end: Token) -> str:
- 909        return self.sql[self._find_token(start) : self._find_token(end) + len(end.text)]
- 910
- 911    def _find_token(self, token: Token) -> int:
- 912        line = 1
- 913        col = 1
- 914        index = 0
- 915
- 916        while line < token.line or col < token.col:
- 917            if Tokenizer.WHITE_SPACE.get(self.sql[index]) == TokenType.BREAK:
- 918                line += 1
- 919                col = 1
- 920            else:
- 921                col += 1
- 922            index += 1
- 923
- 924        return index
- 925
- 926    def _advance(self, times: int = 1) -> None:
- 927        self._index += times
- 928        self._curr = seq_get(self._tokens, self._index)
- 929        self._next = seq_get(self._tokens, self._index + 1)
- 930        if self._index > 0:
- 931            self._prev = self._tokens[self._index - 1]
- 932            self._prev_comments = self._prev.comments
- 933        else:
- 934            self._prev = None
- 935            self._prev_comments = None
- 936
- 937    def _retreat(self, index: int) -> None:
- 938        self._advance(index - self._index)
- 939
- 940    def _parse_command(self) -> exp.Expression:
- 941        return self.expression(exp.Command, this=self._prev.text, expression=self._parse_string())
- 942
- 943    def _parse_statement(self) -> t.Optional[exp.Expression]:
- 944        if self._curr is None:
- 945            return None
- 946
- 947        if self._match_set(self.STATEMENT_PARSERS):
- 948            return self.STATEMENT_PARSERS[self._prev.token_type](self)
- 949
- 950        if self._match_set(Tokenizer.COMMANDS):
- 951            return self._parse_command()
- 952
- 953        expression = self._parse_expression()
- 954        expression = self._parse_set_operations(expression) if expression else self._parse_select()
- 955
- 956        self._parse_query_modifiers(expression)
- 957        return expression
+ 891        Returns:
+ 892            The target expression.
+ 893        """
+ 894        instance = exp_class(**kwargs)
+ 895        if self._prev_comments:
+ 896            instance.comments = self._prev_comments
+ 897            self._prev_comments = None
+ 898        if comments:
+ 899            instance.comments = comments
+ 900        self.validate_expression(instance)
+ 901        return instance
+ 902
+ 903    def validate_expression(
+ 904        self, expression: exp.Expression, args: t.Optional[t.List] = None
+ 905    ) -> None:
+ 906        """
+ 907        Validates an already instantiated expression, making sure that all its mandatory arguments
+ 908        are set.
+ 909
+ 910        Args:
+ 911            expression: the expression to validate.
+ 912            args: an optional list of items that was used to instantiate the expression, if it's a Func.
+ 913        """
+ 914        if self.error_level == ErrorLevel.IGNORE:
+ 915            return
+ 916
+ 917        for error_message in expression.error_messages(args):
+ 918            self.raise_error(error_message)
+ 919
+ 920    def _find_sql(self, start: Token, end: Token) -> str:
+ 921        return self.sql[self._find_token(start) : self._find_token(end) + len(end.text)]
+ 922
+ 923    def _find_token(self, token: Token) -> int:
+ 924        line = 1
+ 925        col = 1
+ 926        index = 0
+ 927
+ 928        while line < token.line or col < token.col:
+ 929            if Tokenizer.WHITE_SPACE.get(self.sql[index]) == TokenType.BREAK:
+ 930                line += 1
+ 931                col = 1
+ 932            else:
+ 933                col += 1
+ 934            index += 1
+ 935
+ 936        return index
+ 937
+ 938    def _advance(self, times: int = 1) -> None:
+ 939        self._index += times
+ 940        self._curr = seq_get(self._tokens, self._index)
+ 941        self._next = seq_get(self._tokens, self._index + 1)
+ 942        if self._index > 0:
+ 943            self._prev = self._tokens[self._index - 1]
+ 944            self._prev_comments = self._prev.comments
+ 945        else:
+ 946            self._prev = None
+ 947            self._prev_comments = None
+ 948
+ 949    def _retreat(self, index: int) -> None:
+ 950        self._advance(index - self._index)
+ 951
+ 952    def _parse_command(self) -> exp.Expression:
+ 953        return self.expression(exp.Command, this=self._prev.text, expression=self._parse_string())
+ 954
+ 955    def _parse_comment(self, allow_exists: bool = True) -> exp.Expression:
+ 956        start = self._prev
+ 957        exists = self._parse_exists() if allow_exists else None
  958
- 959    def _parse_drop(self, default_kind: t.Optional[str] = None) -> t.Optional[exp.Expression]:
- 960        start = self._prev
- 961        temporary = self._match(TokenType.TEMPORARY)
- 962        materialized = self._match(TokenType.MATERIALIZED)
- 963        kind = self._match_set(self.CREATABLES) and self._prev.text
- 964        if not kind:
- 965            if default_kind:
- 966                kind = default_kind
- 967            else:
- 968                return self._parse_as_command(start)
- 969
- 970        return self.expression(
- 971            exp.Drop,
- 972            exists=self._parse_exists(),
- 973            this=self._parse_table(schema=True),
- 974            kind=kind,
- 975            temporary=temporary,
- 976            materialized=materialized,
- 977            cascade=self._match(TokenType.CASCADE),
- 978        )
- 979
- 980    def _parse_exists(self, not_: bool = False) -> t.Optional[bool]:
- 981        return (
- 982            self._match(TokenType.IF)
- 983            and (not not_ or self._match(TokenType.NOT))
- 984            and self._match(TokenType.EXISTS)
- 985        )
- 986
- 987    def _parse_create(self) -> t.Optional[exp.Expression]:
- 988        start = self._prev
- 989        replace = self._prev.text.upper() == "REPLACE" or self._match_pair(
- 990            TokenType.OR, TokenType.REPLACE
- 991        )
- 992        unique = self._match(TokenType.UNIQUE)
+ 959        self._match(TokenType.ON)
+ 960
+ 961        kind = self._match_set(self.CREATABLES) and self._prev
+ 962
+ 963        if not kind:
+ 964            return self._parse_as_command(start)
+ 965
+ 966        if kind.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE):
+ 967            this = self._parse_user_defined_function(kind=kind.token_type)
+ 968        elif kind.token_type == TokenType.TABLE:
+ 969            this = self._parse_table()
+ 970        elif kind.token_type == TokenType.COLUMN:
+ 971            this = self._parse_column()
+ 972        else:
+ 973            this = self._parse_id_var()
+ 974
+ 975        self._match(TokenType.IS)
+ 976
+ 977        return self.expression(
+ 978            exp.Comment, this=this, kind=kind.text, expression=self._parse_string(), exists=exists
+ 979        )
+ 980
+ 981    def _parse_statement(self) -> t.Optional[exp.Expression]:
+ 982        if self._curr is None:
+ 983            return None
+ 984
+ 985        if self._match_set(self.STATEMENT_PARSERS):
+ 986            return self.STATEMENT_PARSERS[self._prev.token_type](self)
+ 987
+ 988        if self._match_set(Tokenizer.COMMANDS):
+ 989            return self._parse_command()
+ 990
+ 991        expression = self._parse_expression()
+ 992        expression = self._parse_set_operations(expression) if expression else self._parse_select()
  993
- 994        if self._match_pair(TokenType.TABLE, TokenType.FUNCTION, advance=False):
- 995            self._match(TokenType.TABLE)
+ 994        self._parse_query_modifiers(expression)
+ 995        return expression
  996
- 997        properties = None
- 998        create_token = self._match_set(self.CREATABLES) and self._prev
- 999
-1000        if not create_token:
-1001            properties = self._parse_properties()  # exp.Properties.Location.POST_CREATE
-1002            create_token = self._match_set(self.CREATABLES) and self._prev
-1003
-1004            if not properties or not create_token:
-1005                return self._parse_as_command(start)
-1006
-1007        exists = self._parse_exists(not_=True)
-1008        this = None
-1009        expression = None
-1010        indexes = None
-1011        no_schema_binding = None
-1012        begin = None
-1013
-1014        if create_token.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE):
-1015            this = self._parse_user_defined_function(kind=create_token.token_type)
-1016            temp_properties = self._parse_properties()
-1017            if properties and temp_properties:
-1018                properties.expressions.extend(temp_properties.expressions)
-1019            elif temp_properties:
-1020                properties = temp_properties
-1021
-1022            self._match(TokenType.ALIAS)
-1023            begin = self._match(TokenType.BEGIN)
-1024            return_ = self._match_text_seq("RETURN")
-1025            expression = self._parse_statement()
-1026
-1027            if return_:
-1028                expression = self.expression(exp.Return, this=expression)
-1029        elif create_token.token_type == TokenType.INDEX:
-1030            this = self._parse_index()
-1031        elif create_token.token_type in (
-1032            TokenType.TABLE,
-1033            TokenType.VIEW,
-1034            TokenType.SCHEMA,
-1035        ):
-1036            table_parts = self._parse_table_parts(schema=True)
-1037
-1038            # exp.Properties.Location.POST_NAME
-1039            if self._match(TokenType.COMMA):
-1040                temp_properties = self._parse_properties(before=True)
-1041                if properties and temp_properties:
-1042                    properties.expressions.extend(temp_properties.expressions)
-1043                elif temp_properties:
-1044                    properties = temp_properties
+ 997    def _parse_drop(self, default_kind: t.Optional[str] = None) -> t.Optional[exp.Expression]:
+ 998        start = self._prev
+ 999        temporary = self._match(TokenType.TEMPORARY)
+1000        materialized = self._match(TokenType.MATERIALIZED)
+1001        kind = self._match_set(self.CREATABLES) and self._prev.text
+1002        if not kind:
+1003            if default_kind:
+1004                kind = default_kind
+1005            else:
+1006                return self._parse_as_command(start)
+1007
+1008        return self.expression(
+1009            exp.Drop,
+1010            exists=self._parse_exists(),
+1011            this=self._parse_table(schema=True),
+1012            kind=kind,
+1013            temporary=temporary,
+1014            materialized=materialized,
+1015            cascade=self._match(TokenType.CASCADE),
+1016        )
+1017
+1018    def _parse_exists(self, not_: bool = False) -> t.Optional[bool]:
+1019        return (
+1020            self._match(TokenType.IF)
+1021            and (not not_ or self._match(TokenType.NOT))
+1022            and self._match(TokenType.EXISTS)
+1023        )
+1024
+1025    def _parse_create(self) -> t.Optional[exp.Expression]:
+1026        start = self._prev
+1027        replace = self._prev.text.upper() == "REPLACE" or self._match_pair(
+1028            TokenType.OR, TokenType.REPLACE
+1029        )
+1030        unique = self._match(TokenType.UNIQUE)
+1031        volatile = self._match(TokenType.VOLATILE)
+1032
+1033        if self._match_pair(TokenType.TABLE, TokenType.FUNCTION, advance=False):
+1034            self._match(TokenType.TABLE)
+1035
+1036        properties = None
+1037        create_token = self._match_set(self.CREATABLES) and self._prev
+1038
+1039        if not create_token:
+1040            properties = self._parse_properties()  # exp.Properties.Location.POST_CREATE
+1041            create_token = self._match_set(self.CREATABLES) and self._prev
+1042
+1043            if not properties or not create_token:
+1044                return self._parse_as_command(start)
 1045
-1046            this = self._parse_schema(this=table_parts)
-1047
-1048            # exp.Properties.Location.POST_SCHEMA and POST_WITH
-1049            temp_properties = self._parse_properties()
-1050            if properties and temp_properties:
-1051                properties.expressions.extend(temp_properties.expressions)
-1052            elif temp_properties:
-1053                properties = temp_properties
-1054
-1055            self._match(TokenType.ALIAS)
-1056
-1057            # exp.Properties.Location.POST_ALIAS
-1058            if not (
-1059                self._match(TokenType.SELECT, advance=False)
-1060                or self._match(TokenType.WITH, advance=False)
-1061                or self._match(TokenType.L_PAREN, advance=False)
-1062            ):
-1063                temp_properties = self._parse_properties()
-1064                if properties and temp_properties:
-1065                    properties.expressions.extend(temp_properties.expressions)
-1066                elif temp_properties:
-1067                    properties = temp_properties
-1068
-1069            expression = self._parse_ddl_select()
-1070
-1071            if create_token.token_type == TokenType.TABLE:
-1072                # exp.Properties.Location.POST_EXPRESSION
-1073                temp_properties = self._parse_properties()
-1074                if properties and temp_properties:
-1075                    properties.expressions.extend(temp_properties.expressions)
-1076                elif temp_properties:
-1077                    properties = temp_properties
-1078
-1079                indexes = []
-1080                while True:
-1081                    index = self._parse_create_table_index()
+1046        exists = self._parse_exists(not_=True)
+1047        this = None
+1048        expression = None
+1049        indexes = None
+1050        no_schema_binding = None
+1051        begin = None
+1052
+1053        if create_token.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE):
+1054            this = self._parse_user_defined_function(kind=create_token.token_type)
+1055            temp_properties = self._parse_properties()
+1056            if properties and temp_properties:
+1057                properties.expressions.extend(temp_properties.expressions)
+1058            elif temp_properties:
+1059                properties = temp_properties
+1060
+1061            self._match(TokenType.ALIAS)
+1062            begin = self._match(TokenType.BEGIN)
+1063            return_ = self._match_text_seq("RETURN")
+1064            expression = self._parse_statement()
+1065
+1066            if return_:
+1067                expression = self.expression(exp.Return, this=expression)
+1068        elif create_token.token_type == TokenType.INDEX:
+1069            this = self._parse_index()
+1070        elif create_token.token_type in self.DB_CREATABLES:
+1071            table_parts = self._parse_table_parts(schema=True)
+1072
+1073            # exp.Properties.Location.POST_NAME
+1074            if self._match(TokenType.COMMA):
+1075                temp_properties = self._parse_properties(before=True)
+1076                if properties and temp_properties:
+1077                    properties.expressions.extend(temp_properties.expressions)
+1078                elif temp_properties:
+1079                    properties = temp_properties
+1080
+1081            this = self._parse_schema(this=table_parts)
 1082
-1083                    # exp.Properties.Location.POST_INDEX
-1084                    if self._match(TokenType.PARTITION_BY, advance=False):
-1085                        temp_properties = self._parse_properties()
-1086                        if properties and temp_properties:
-1087                            properties.expressions.extend(temp_properties.expressions)
-1088                        elif temp_properties:
-1089                            properties = temp_properties
-1090
-1091                    if not index:
-1092                        break
-1093                    else:
-1094                        indexes.append(index)
-1095            elif create_token.token_type == TokenType.VIEW:
-1096                if self._match_text_seq("WITH", "NO", "SCHEMA", "BINDING"):
-1097                    no_schema_binding = True
-1098
-1099        return self.expression(
-1100            exp.Create,
-1101            this=this,
-1102            kind=create_token.text,
-1103            unique=unique,
-1104            expression=expression,
-1105            exists=exists,
-1106            properties=properties,
-1107            replace=replace,
-1108            indexes=indexes,
-1109            no_schema_binding=no_schema_binding,
-1110            begin=begin,
-1111        )
-1112
-1113    def _parse_property_before(self) -> t.Optional[exp.Expression]:
-1114        self._match(TokenType.COMMA)
-1115
-1116        # parsers look to _prev for no/dual/default, so need to consume first
-1117        self._match_text_seq("NO")
-1118        self._match_text_seq("DUAL")
-1119        self._match_text_seq("DEFAULT")
-1120
-1121        if self.PROPERTY_PARSERS.get(self._curr.text.upper()):
-1122            return self.PROPERTY_PARSERS[self._curr.text.upper()](self)
-1123
-1124        return None
+1083            # exp.Properties.Location.POST_SCHEMA and POST_WITH
+1084            temp_properties = self._parse_properties()
+1085            if properties and temp_properties:
+1086                properties.expressions.extend(temp_properties.expressions)
+1087            elif temp_properties:
+1088                properties = temp_properties
+1089
+1090            self._match(TokenType.ALIAS)
+1091
+1092            # exp.Properties.Location.POST_ALIAS
+1093            if not (
+1094                self._match(TokenType.SELECT, advance=False)
+1095                or self._match(TokenType.WITH, advance=False)
+1096                or self._match(TokenType.L_PAREN, advance=False)
+1097            ):
+1098                temp_properties = self._parse_properties()
+1099                if properties and temp_properties:
+1100                    properties.expressions.extend(temp_properties.expressions)
+1101                elif temp_properties:
+1102                    properties = temp_properties
+1103
+1104            expression = self._parse_ddl_select()
+1105
+1106            if create_token.token_type == TokenType.TABLE:
+1107                # exp.Properties.Location.POST_EXPRESSION
+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                indexes = []
+1115                while True:
+1116                    index = self._parse_create_table_index()
+1117
+1118                    # exp.Properties.Location.POST_INDEX
+1119                    if self._match(TokenType.PARTITION_BY, advance=False):
+1120                        temp_properties = self._parse_properties()
+1121                        if properties and temp_properties:
+1122                            properties.expressions.extend(temp_properties.expressions)
+1123                        elif temp_properties:
+1124                            properties = temp_properties
 1125
-1126    def _parse_property(self) -> t.Optional[exp.Expression]:
-1127        if self._match_texts(self.PROPERTY_PARSERS):
-1128            return self.PROPERTY_PARSERS[self._prev.text.upper()](self)
-1129
-1130        if self._match_pair(TokenType.DEFAULT, TokenType.CHARACTER_SET):
-1131            return self._parse_character_set(default=True)
-1132
-1133        if self._match_pair(TokenType.COMPOUND, TokenType.SORTKEY):
-1134            return self._parse_sortkey(compound=True)
-1135
-1136        if self._match_text_seq("SQL", "SECURITY"):
-1137            return self.expression(exp.SqlSecurityProperty, definer=self._match_text_seq("DEFINER"))
-1138
-1139        assignment = self._match_pair(
-1140            TokenType.VAR, TokenType.EQ, advance=False
-1141        ) or self._match_pair(TokenType.STRING, TokenType.EQ, advance=False)
-1142
-1143        if assignment:
-1144            key = self._parse_var_or_string()
-1145            self._match(TokenType.EQ)
-1146            return self.expression(exp.Property, this=key, value=self._parse_column())
-1147
-1148        return None
-1149
-1150    def _parse_property_assignment(self, exp_class: t.Type[exp.Expression]) -> exp.Expression:
-1151        self._match(TokenType.EQ)
-1152        self._match(TokenType.ALIAS)
-1153        return self.expression(
-1154            exp_class,
-1155            this=self._parse_var_or_string() or self._parse_number() or self._parse_id_var(),
-1156        )
-1157
-1158    def _parse_properties(self, before=None) -> t.Optional[exp.Expression]:
-1159        properties = []
-1160
-1161        while True:
-1162            if before:
-1163                identified_property = self._parse_property_before()
-1164            else:
-1165                identified_property = self._parse_property()
-1166
-1167            if not identified_property:
-1168                break
-1169            for p in ensure_collection(identified_property):
-1170                properties.append(p)
+1126                    if not index:
+1127                        break
+1128                    else:
+1129                        indexes.append(index)
+1130            elif create_token.token_type == TokenType.VIEW:
+1131                if self._match_text_seq("WITH", "NO", "SCHEMA", "BINDING"):
+1132                    no_schema_binding = True
+1133
+1134        return self.expression(
+1135            exp.Create,
+1136            this=this,
+1137            kind=create_token.text,
+1138            replace=replace,
+1139            unique=unique,
+1140            volatile=volatile,
+1141            expression=expression,
+1142            exists=exists,
+1143            properties=properties,
+1144            indexes=indexes,
+1145            no_schema_binding=no_schema_binding,
+1146            begin=begin,
+1147        )
+1148
+1149    def _parse_property_before(self) -> t.Optional[exp.Expression]:
+1150        self._match(TokenType.COMMA)
+1151
+1152        # parsers look to _prev for no/dual/default, so need to consume first
+1153        self._match_text_seq("NO")
+1154        self._match_text_seq("DUAL")
+1155        self._match_text_seq("DEFAULT")
+1156
+1157        if self.PROPERTY_PARSERS.get(self._curr.text.upper()):
+1158            return self.PROPERTY_PARSERS[self._curr.text.upper()](self)
+1159
+1160        return None
+1161
+1162    def _parse_property(self) -> t.Optional[exp.Expression]:
+1163        if self._match_texts(self.PROPERTY_PARSERS):
+1164            return self.PROPERTY_PARSERS[self._prev.text.upper()](self)
+1165
+1166        if self._match_pair(TokenType.DEFAULT, TokenType.CHARACTER_SET):
+1167            return self._parse_character_set(default=True)
+1168
+1169        if self._match_pair(TokenType.COMPOUND, TokenType.SORTKEY):
+1170            return self._parse_sortkey(compound=True)
 1171
-1172        if properties:
-1173            return self.expression(exp.Properties, expressions=properties)
+1172        if self._match_text_seq("SQL", "SECURITY"):
+1173            return self.expression(exp.SqlSecurityProperty, definer=self._match_text_seq("DEFINER"))
 1174
-1175        return None
-1176
-1177    def _parse_fallback(self, no=False) -> exp.Expression:
-1178        self._match_text_seq("FALLBACK")
-1179        return self.expression(
-1180            exp.FallbackProperty, no=no, protection=self._match_text_seq("PROTECTION")
-1181        )
-1182
-1183    def _parse_with_property(
-1184        self,
-1185    ) -> t.Union[t.Optional[exp.Expression], t.List[t.Optional[exp.Expression]]]:
-1186        self._match(TokenType.WITH)
-1187        if self._match(TokenType.L_PAREN, advance=False):
-1188            return self._parse_wrapped_csv(self._parse_property)
-1189
-1190        if self._match_text_seq("JOURNAL"):
-1191            return self._parse_withjournaltable()
-1192
-1193        if self._match_text_seq("DATA"):
-1194            return self._parse_withdata(no=False)
-1195        elif self._match_text_seq("NO", "DATA"):
-1196            return self._parse_withdata(no=True)
-1197
-1198        if not self._next:
-1199            return None
-1200
-1201        return self._parse_withisolatedloading()
+1175        assignment = self._match_pair(
+1176            TokenType.VAR, TokenType.EQ, advance=False
+1177        ) or self._match_pair(TokenType.STRING, TokenType.EQ, advance=False)
+1178
+1179        if assignment:
+1180            key = self._parse_var_or_string()
+1181            self._match(TokenType.EQ)
+1182            return self.expression(exp.Property, this=key, value=self._parse_column())
+1183
+1184        return None
+1185
+1186    def _parse_property_assignment(self, exp_class: t.Type[exp.Expression]) -> exp.Expression:
+1187        self._match(TokenType.EQ)
+1188        self._match(TokenType.ALIAS)
+1189        return self.expression(
+1190            exp_class,
+1191            this=self._parse_var_or_string() or self._parse_number() or self._parse_id_var(),
+1192        )
+1193
+1194    def _parse_properties(self, before=None) -> t.Optional[exp.Expression]:
+1195        properties = []
+1196
+1197        while True:
+1198            if before:
+1199                identified_property = self._parse_property_before()
+1200            else:
+1201                identified_property = self._parse_property()
 1202
-1203    # https://dev.mysql.com/doc/refman/8.0/en/create-view.html
-1204    def _parse_definer(self) -> t.Optional[exp.Expression]:
-1205        self._match(TokenType.EQ)
-1206
-1207        user = self._parse_id_var()
-1208        self._match(TokenType.PARAMETER)
-1209        host = self._parse_id_var() or (self._match(TokenType.MOD) and self._prev.text)
+1203            if not identified_property:
+1204                break
+1205            for p in ensure_collection(identified_property):
+1206                properties.append(p)
+1207
+1208        if properties:
+1209            return self.expression(exp.Properties, expressions=properties)
 1210
-1211        if not user or not host:
-1212            return None
-1213
-1214        return exp.DefinerProperty(this=f"{user}@{host}")
-1215
-1216    def _parse_withjournaltable(self) -> exp.Expression:
-1217        self._match(TokenType.TABLE)
-1218        self._match(TokenType.EQ)
-1219        return self.expression(exp.WithJournalTableProperty, this=self._parse_table_parts())
-1220
-1221    def _parse_log(self, no=False) -> exp.Expression:
-1222        self._match_text_seq("LOG")
-1223        return self.expression(exp.LogProperty, no=no)
-1224
-1225    def _parse_journal(self, no=False, dual=False) -> exp.Expression:
-1226        before = self._match_text_seq("BEFORE")
-1227        self._match_text_seq("JOURNAL")
-1228        return self.expression(exp.JournalProperty, no=no, dual=dual, before=before)
-1229
-1230    def _parse_afterjournal(self, no=False, dual=False, local=None) -> exp.Expression:
-1231        self._match_text_seq("NOT")
-1232        self._match_text_seq("LOCAL")
-1233        self._match_text_seq("AFTER", "JOURNAL")
-1234        return self.expression(exp.AfterJournalProperty, no=no, dual=dual, local=local)
-1235
-1236    def _parse_checksum(self) -> exp.Expression:
-1237        self._match_text_seq("CHECKSUM")
-1238        self._match(TokenType.EQ)
-1239
-1240        on = None
-1241        if self._match(TokenType.ON):
-1242            on = True
-1243        elif self._match_text_seq("OFF"):
-1244            on = False
-1245        default = self._match(TokenType.DEFAULT)
+1211        return None
+1212
+1213    def _parse_fallback(self, no=False) -> exp.Expression:
+1214        self._match_text_seq("FALLBACK")
+1215        return self.expression(
+1216            exp.FallbackProperty, no=no, protection=self._match_text_seq("PROTECTION")
+1217        )
+1218
+1219    def _parse_with_property(
+1220        self,
+1221    ) -> t.Union[t.Optional[exp.Expression], t.List[t.Optional[exp.Expression]]]:
+1222        self._match(TokenType.WITH)
+1223        if self._match(TokenType.L_PAREN, advance=False):
+1224            return self._parse_wrapped_csv(self._parse_property)
+1225
+1226        if self._match_text_seq("JOURNAL"):
+1227            return self._parse_withjournaltable()
+1228
+1229        if self._match_text_seq("DATA"):
+1230            return self._parse_withdata(no=False)
+1231        elif self._match_text_seq("NO", "DATA"):
+1232            return self._parse_withdata(no=True)
+1233
+1234        if not self._next:
+1235            return None
+1236
+1237        return self._parse_withisolatedloading()
+1238
+1239    # https://dev.mysql.com/doc/refman/8.0/en/create-view.html
+1240    def _parse_definer(self) -> t.Optional[exp.Expression]:
+1241        self._match(TokenType.EQ)
+1242
+1243        user = self._parse_id_var()
+1244        self._match(TokenType.PARAMETER)
+1245        host = self._parse_id_var() or (self._match(TokenType.MOD) and self._prev.text)
 1246
-1247        return self.expression(
-1248            exp.ChecksumProperty,
-1249            on=on,
-1250            default=default,
-1251        )
-1252
-1253    def _parse_freespace(self) -> exp.Expression:
-1254        self._match_text_seq("FREESPACE")
-1255        self._match(TokenType.EQ)
-1256        return self.expression(
-1257            exp.FreespaceProperty, this=self._parse_number(), percent=self._match(TokenType.PERCENT)
-1258        )
-1259
-1260    def _parse_mergeblockratio(self, no=False, default=False) -> exp.Expression:
-1261        self._match_text_seq("MERGEBLOCKRATIO")
-1262        if self._match(TokenType.EQ):
-1263            return self.expression(
-1264                exp.MergeBlockRatioProperty,
-1265                this=self._parse_number(),
-1266                percent=self._match(TokenType.PERCENT),
-1267            )
-1268        else:
-1269            return self.expression(
-1270                exp.MergeBlockRatioProperty,
-1271                no=no,
-1272                default=default,
-1273            )
-1274
-1275    def _parse_datablocksize(self, default=None) -> exp.Expression:
-1276        if default:
-1277            self._match_text_seq("DATABLOCKSIZE")
-1278            return self.expression(exp.DataBlocksizeProperty, default=True)
-1279        elif self._match_texts(("MIN", "MINIMUM")):
-1280            self._match_text_seq("DATABLOCKSIZE")
-1281            return self.expression(exp.DataBlocksizeProperty, min=True)
-1282        elif self._match_texts(("MAX", "MAXIMUM")):
-1283            self._match_text_seq("DATABLOCKSIZE")
-1284            return self.expression(exp.DataBlocksizeProperty, min=False)
-1285
-1286        self._match_text_seq("DATABLOCKSIZE")
-1287        self._match(TokenType.EQ)
-1288        size = self._parse_number()
-1289        units = None
-1290        if self._match_texts(("BYTES", "KBYTES", "KILOBYTES")):
-1291            units = self._prev.text
-1292        return self.expression(exp.DataBlocksizeProperty, size=size, units=units)
-1293
-1294    def _parse_blockcompression(self) -> exp.Expression:
-1295        self._match_text_seq("BLOCKCOMPRESSION")
-1296        self._match(TokenType.EQ)
-1297        always = self._match_text_seq("ALWAYS")
-1298        manual = self._match_text_seq("MANUAL")
-1299        never = self._match_text_seq("NEVER")
-1300        default = self._match_text_seq("DEFAULT")
-1301        autotemp = None
-1302        if self._match_text_seq("AUTOTEMP"):
-1303            autotemp = self._parse_schema()
-1304
-1305        return self.expression(
-1306            exp.BlockCompressionProperty,
-1307            always=always,
-1308            manual=manual,
-1309            never=never,
-1310            default=default,
-1311            autotemp=autotemp,
-1312        )
-1313
-1314    def _parse_withisolatedloading(self) -> exp.Expression:
-1315        no = self._match_text_seq("NO")
-1316        concurrent = self._match_text_seq("CONCURRENT")
-1317        self._match_text_seq("ISOLATED", "LOADING")
-1318        for_all = self._match_text_seq("FOR", "ALL")
-1319        for_insert = self._match_text_seq("FOR", "INSERT")
-1320        for_none = self._match_text_seq("FOR", "NONE")
-1321        return self.expression(
-1322            exp.IsolatedLoadingProperty,
-1323            no=no,
-1324            concurrent=concurrent,
-1325            for_all=for_all,
-1326            for_insert=for_insert,
-1327            for_none=for_none,
-1328        )
+1247        if not user or not host:
+1248            return None
+1249
+1250        return exp.DefinerProperty(this=f"{user}@{host}")
+1251
+1252    def _parse_withjournaltable(self) -> exp.Expression:
+1253        self._match(TokenType.TABLE)
+1254        self._match(TokenType.EQ)
+1255        return self.expression(exp.WithJournalTableProperty, this=self._parse_table_parts())
+1256
+1257    def _parse_log(self, no=False) -> exp.Expression:
+1258        self._match_text_seq("LOG")
+1259        return self.expression(exp.LogProperty, no=no)
+1260
+1261    def _parse_journal(self, no=False, dual=False) -> exp.Expression:
+1262        before = self._match_text_seq("BEFORE")
+1263        self._match_text_seq("JOURNAL")
+1264        return self.expression(exp.JournalProperty, no=no, dual=dual, before=before)
+1265
+1266    def _parse_afterjournal(self, no=False, dual=False, local=None) -> exp.Expression:
+1267        self._match_text_seq("NOT")
+1268        self._match_text_seq("LOCAL")
+1269        self._match_text_seq("AFTER", "JOURNAL")
+1270        return self.expression(exp.AfterJournalProperty, no=no, dual=dual, local=local)
+1271
+1272    def _parse_checksum(self) -> exp.Expression:
+1273        self._match_text_seq("CHECKSUM")
+1274        self._match(TokenType.EQ)
+1275
+1276        on = None
+1277        if self._match(TokenType.ON):
+1278            on = True
+1279        elif self._match_text_seq("OFF"):
+1280            on = False
+1281        default = self._match(TokenType.DEFAULT)
+1282
+1283        return self.expression(
+1284            exp.ChecksumProperty,
+1285            on=on,
+1286            default=default,
+1287        )
+1288
+1289    def _parse_freespace(self) -> exp.Expression:
+1290        self._match_text_seq("FREESPACE")
+1291        self._match(TokenType.EQ)
+1292        return self.expression(
+1293            exp.FreespaceProperty, this=self._parse_number(), percent=self._match(TokenType.PERCENT)
+1294        )
+1295
+1296    def _parse_mergeblockratio(self, no=False, default=False) -> exp.Expression:
+1297        self._match_text_seq("MERGEBLOCKRATIO")
+1298        if self._match(TokenType.EQ):
+1299            return self.expression(
+1300                exp.MergeBlockRatioProperty,
+1301                this=self._parse_number(),
+1302                percent=self._match(TokenType.PERCENT),
+1303            )
+1304        else:
+1305            return self.expression(
+1306                exp.MergeBlockRatioProperty,
+1307                no=no,
+1308                default=default,
+1309            )
+1310
+1311    def _parse_datablocksize(self, default=None) -> exp.Expression:
+1312        if default:
+1313            self._match_text_seq("DATABLOCKSIZE")
+1314            return self.expression(exp.DataBlocksizeProperty, default=True)
+1315        elif self._match_texts(("MIN", "MINIMUM")):
+1316            self._match_text_seq("DATABLOCKSIZE")
+1317            return self.expression(exp.DataBlocksizeProperty, min=True)
+1318        elif self._match_texts(("MAX", "MAXIMUM")):
+1319            self._match_text_seq("DATABLOCKSIZE")
+1320            return self.expression(exp.DataBlocksizeProperty, min=False)
+1321
+1322        self._match_text_seq("DATABLOCKSIZE")
+1323        self._match(TokenType.EQ)
+1324        size = self._parse_number()
+1325        units = None
+1326        if self._match_texts(("BYTES", "KBYTES", "KILOBYTES")):
+1327            units = self._prev.text
+1328        return self.expression(exp.DataBlocksizeProperty, size=size, units=units)
 1329
-1330    def _parse_locking(self) -> exp.Expression:
-1331        if self._match(TokenType.TABLE):
-1332            kind = "TABLE"
-1333        elif self._match(TokenType.VIEW):
-1334            kind = "VIEW"
-1335        elif self._match(TokenType.ROW):
-1336            kind = "ROW"
-1337        elif self._match_text_seq("DATABASE"):
-1338            kind = "DATABASE"
-1339        else:
-1340            kind = None
-1341
-1342        if kind in ("DATABASE", "TABLE", "VIEW"):
-1343            this = self._parse_table_parts()
-1344        else:
-1345            this = None
-1346
-1347        if self._match(TokenType.FOR):
-1348            for_or_in = "FOR"
-1349        elif self._match(TokenType.IN):
-1350            for_or_in = "IN"
-1351        else:
-1352            for_or_in = None
-1353
-1354        if self._match_text_seq("ACCESS"):
-1355            lock_type = "ACCESS"
-1356        elif self._match_texts(("EXCL", "EXCLUSIVE")):
-1357            lock_type = "EXCLUSIVE"
-1358        elif self._match_text_seq("SHARE"):
-1359            lock_type = "SHARE"
-1360        elif self._match_text_seq("READ"):
-1361            lock_type = "READ"
-1362        elif self._match_text_seq("WRITE"):
-1363            lock_type = "WRITE"
-1364        elif self._match_text_seq("CHECKSUM"):
-1365            lock_type = "CHECKSUM"
-1366        else:
-1367            lock_type = None
-1368
-1369        override = self._match_text_seq("OVERRIDE")
-1370
-1371        return self.expression(
-1372            exp.LockingProperty,
-1373            this=this,
-1374            kind=kind,
-1375            for_or_in=for_or_in,
-1376            lock_type=lock_type,
-1377            override=override,
-1378        )
-1379
-1380    def _parse_partition_by(self) -> t.List[t.Optional[exp.Expression]]:
-1381        if self._match(TokenType.PARTITION_BY):
-1382            return self._parse_csv(self._parse_conjunction)
-1383        return []
-1384
-1385    def _parse_partitioned_by(self) -> exp.Expression:
-1386        self._match(TokenType.EQ)
-1387        return self.expression(
-1388            exp.PartitionedByProperty,
-1389            this=self._parse_schema() or self._parse_bracket(self._parse_field()),
-1390        )
-1391
-1392    def _parse_withdata(self, no=False) -> exp.Expression:
-1393        if self._match_text_seq("AND", "STATISTICS"):
-1394            statistics = True
-1395        elif self._match_text_seq("AND", "NO", "STATISTICS"):
-1396            statistics = False
-1397        else:
-1398            statistics = None
-1399
-1400        return self.expression(exp.WithDataProperty, no=no, statistics=statistics)
-1401
-1402    def _parse_noprimaryindex(self) -> exp.Expression:
-1403        self._match_text_seq("PRIMARY", "INDEX")
-1404        return exp.NoPrimaryIndexProperty()
-1405
-1406    def _parse_oncommit(self) -> exp.Expression:
-1407        self._match_text_seq("COMMIT", "PRESERVE", "ROWS")
-1408        return exp.OnCommitProperty()
-1409
-1410    def _parse_distkey(self) -> exp.Expression:
-1411        return self.expression(exp.DistKeyProperty, this=self._parse_wrapped(self._parse_id_var))
-1412
-1413    def _parse_create_like(self) -> t.Optional[exp.Expression]:
-1414        table = self._parse_table(schema=True)
-1415        options = []
-1416        while self._match_texts(("INCLUDING", "EXCLUDING")):
-1417            this = self._prev.text.upper()
-1418            id_var = self._parse_id_var()
-1419
-1420            if not id_var:
-1421                return None
-1422
-1423            options.append(
-1424                self.expression(
-1425                    exp.Property,
-1426                    this=this,
-1427                    value=exp.Var(this=id_var.this.upper()),
-1428                )
-1429            )
-1430        return self.expression(exp.LikeProperty, this=table, expressions=options)
-1431
-1432    def _parse_sortkey(self, compound: bool = False) -> exp.Expression:
-1433        return self.expression(
-1434            exp.SortKeyProperty, this=self._parse_wrapped_csv(self._parse_id_var), compound=compound
-1435        )
-1436
-1437    def _parse_character_set(self, default: bool = False) -> exp.Expression:
-1438        self._match(TokenType.EQ)
-1439        return self.expression(
-1440            exp.CharacterSetProperty, this=self._parse_var_or_string(), default=default
-1441        )
-1442
-1443    def _parse_returns(self) -> exp.Expression:
-1444        value: t.Optional[exp.Expression]
-1445        is_table = self._match(TokenType.TABLE)
-1446
-1447        if is_table:
-1448            if self._match(TokenType.LT):
-1449                value = self.expression(
-1450                    exp.Schema,
-1451                    this="TABLE",
-1452                    expressions=self._parse_csv(self._parse_struct_kwargs),
-1453                )
-1454                if not self._match(TokenType.GT):
-1455                    self.raise_error("Expecting >")
-1456            else:
-1457                value = self._parse_schema(exp.Var(this="TABLE"))
-1458        else:
-1459            value = self._parse_types()
-1460
-1461        return self.expression(exp.ReturnsProperty, this=value, is_table=is_table)
-1462
-1463    def _parse_temporary(self, global_=False) -> exp.Expression:
-1464        self._match(TokenType.TEMPORARY)  # in case calling from "GLOBAL"
-1465        return self.expression(exp.TemporaryProperty, global_=global_)
-1466
-1467    def _parse_describe(self) -> exp.Expression:
-1468        kind = self._match_set(self.CREATABLES) and self._prev.text
-1469        this = self._parse_table()
-1470
-1471        return self.expression(exp.Describe, this=this, kind=kind)
+1330    def _parse_blockcompression(self) -> exp.Expression:
+1331        self._match_text_seq("BLOCKCOMPRESSION")
+1332        self._match(TokenType.EQ)
+1333        always = self._match_text_seq("ALWAYS")
+1334        manual = self._match_text_seq("MANUAL")
+1335        never = self._match_text_seq("NEVER")
+1336        default = self._match_text_seq("DEFAULT")
+1337        autotemp = None
+1338        if self._match_text_seq("AUTOTEMP"):
+1339            autotemp = self._parse_schema()
+1340
+1341        return self.expression(
+1342            exp.BlockCompressionProperty,
+1343            always=always,
+1344            manual=manual,
+1345            never=never,
+1346            default=default,
+1347            autotemp=autotemp,
+1348        )
+1349
+1350    def _parse_withisolatedloading(self) -> exp.Expression:
+1351        no = self._match_text_seq("NO")
+1352        concurrent = self._match_text_seq("CONCURRENT")
+1353        self._match_text_seq("ISOLATED", "LOADING")
+1354        for_all = self._match_text_seq("FOR", "ALL")
+1355        for_insert = self._match_text_seq("FOR", "INSERT")
+1356        for_none = self._match_text_seq("FOR", "NONE")
+1357        return self.expression(
+1358            exp.IsolatedLoadingProperty,
+1359            no=no,
+1360            concurrent=concurrent,
+1361            for_all=for_all,
+1362            for_insert=for_insert,
+1363            for_none=for_none,
+1364        )
+1365
+1366    def _parse_locking(self) -> exp.Expression:
+1367        if self._match(TokenType.TABLE):
+1368            kind = "TABLE"
+1369        elif self._match(TokenType.VIEW):
+1370            kind = "VIEW"
+1371        elif self._match(TokenType.ROW):
+1372            kind = "ROW"
+1373        elif self._match_text_seq("DATABASE"):
+1374            kind = "DATABASE"
+1375        else:
+1376            kind = None
+1377
+1378        if kind in ("DATABASE", "TABLE", "VIEW"):
+1379            this = self._parse_table_parts()
+1380        else:
+1381            this = None
+1382
+1383        if self._match(TokenType.FOR):
+1384            for_or_in = "FOR"
+1385        elif self._match(TokenType.IN):
+1386            for_or_in = "IN"
+1387        else:
+1388            for_or_in = None
+1389
+1390        if self._match_text_seq("ACCESS"):
+1391            lock_type = "ACCESS"
+1392        elif self._match_texts(("EXCL", "EXCLUSIVE")):
+1393            lock_type = "EXCLUSIVE"
+1394        elif self._match_text_seq("SHARE"):
+1395            lock_type = "SHARE"
+1396        elif self._match_text_seq("READ"):
+1397            lock_type = "READ"
+1398        elif self._match_text_seq("WRITE"):
+1399            lock_type = "WRITE"
+1400        elif self._match_text_seq("CHECKSUM"):
+1401            lock_type = "CHECKSUM"
+1402        else:
+1403            lock_type = None
+1404
+1405        override = self._match_text_seq("OVERRIDE")
+1406
+1407        return self.expression(
+1408            exp.LockingProperty,
+1409            this=this,
+1410            kind=kind,
+1411            for_or_in=for_or_in,
+1412            lock_type=lock_type,
+1413            override=override,
+1414        )
+1415
+1416    def _parse_partition_by(self) -> t.List[t.Optional[exp.Expression]]:
+1417        if self._match(TokenType.PARTITION_BY):
+1418            return self._parse_csv(self._parse_conjunction)
+1419        return []
+1420
+1421    def _parse_partitioned_by(self) -> exp.Expression:
+1422        self._match(TokenType.EQ)
+1423        return self.expression(
+1424            exp.PartitionedByProperty,
+1425            this=self._parse_schema() or self._parse_bracket(self._parse_field()),
+1426        )
+1427
+1428    def _parse_withdata(self, no=False) -> exp.Expression:
+1429        if self._match_text_seq("AND", "STATISTICS"):
+1430            statistics = True
+1431        elif self._match_text_seq("AND", "NO", "STATISTICS"):
+1432            statistics = False
+1433        else:
+1434            statistics = None
+1435
+1436        return self.expression(exp.WithDataProperty, no=no, statistics=statistics)
+1437
+1438    def _parse_noprimaryindex(self) -> exp.Expression:
+1439        self._match_text_seq("PRIMARY", "INDEX")
+1440        return exp.NoPrimaryIndexProperty()
+1441
+1442    def _parse_oncommit(self) -> exp.Expression:
+1443        self._match_text_seq("COMMIT", "PRESERVE", "ROWS")
+1444        return exp.OnCommitProperty()
+1445
+1446    def _parse_distkey(self) -> exp.Expression:
+1447        return self.expression(exp.DistKeyProperty, this=self._parse_wrapped(self._parse_id_var))
+1448
+1449    def _parse_create_like(self) -> t.Optional[exp.Expression]:
+1450        table = self._parse_table(schema=True)
+1451        options = []
+1452        while self._match_texts(("INCLUDING", "EXCLUDING")):
+1453            this = self._prev.text.upper()
+1454            id_var = self._parse_id_var()
+1455
+1456            if not id_var:
+1457                return None
+1458
+1459            options.append(
+1460                self.expression(
+1461                    exp.Property,
+1462                    this=this,
+1463                    value=exp.Var(this=id_var.this.upper()),
+1464                )
+1465            )
+1466        return self.expression(exp.LikeProperty, this=table, expressions=options)
+1467
+1468    def _parse_sortkey(self, compound: bool = False) -> exp.Expression:
+1469        return self.expression(
+1470            exp.SortKeyProperty, this=self._parse_wrapped_csv(self._parse_id_var), compound=compound
+1471        )
 1472
-1473    def _parse_insert(self) -> exp.Expression:
-1474        overwrite = self._match(TokenType.OVERWRITE)
-1475        local = self._match(TokenType.LOCAL)
-1476
-1477        this: t.Optional[exp.Expression]
+1473    def _parse_character_set(self, default: bool = False) -> exp.Expression:
+1474        self._match(TokenType.EQ)
+1475        return self.expression(
+1476            exp.CharacterSetProperty, this=self._parse_var_or_string(), default=default
+1477        )
 1478
-1479        alternative = None
-1480        if self._match_text_seq("DIRECTORY"):
-1481            this = self.expression(
-1482                exp.Directory,
-1483                this=self._parse_var_or_string(),
-1484                local=local,
-1485                row_format=self._parse_row_format(match_row=True),
-1486            )
-1487        else:
-1488            if self._match(TokenType.OR):
-1489                alternative = self._match_texts(self.INSERT_ALTERNATIVES) and self._prev.text
-1490
-1491            self._match(TokenType.INTO)
-1492            self._match(TokenType.TABLE)
-1493            this = self._parse_table(schema=True)
-1494
-1495        return self.expression(
-1496            exp.Insert,
-1497            this=this,
-1498            exists=self._parse_exists(),
-1499            partition=self._parse_partition(),
-1500            expression=self._parse_ddl_select(),
-1501            overwrite=overwrite,
-1502            alternative=alternative,
-1503        )
-1504
-1505    def _parse_row(self) -> t.Optional[exp.Expression]:
-1506        if not self._match(TokenType.FORMAT):
-1507            return None
-1508        return self._parse_row_format()
-1509
-1510    def _parse_row_format(self, match_row: bool = False) -> t.Optional[exp.Expression]:
-1511        if match_row and not self._match_pair(TokenType.ROW, TokenType.FORMAT):
-1512            return None
-1513
-1514        if self._match_text_seq("SERDE"):
-1515            return self.expression(exp.RowFormatSerdeProperty, this=self._parse_string())
-1516
-1517        self._match_text_seq("DELIMITED")
-1518
-1519        kwargs = {}
-1520
-1521        if self._match_text_seq("FIELDS", "TERMINATED", "BY"):
-1522            kwargs["fields"] = self._parse_string()
-1523            if self._match_text_seq("ESCAPED", "BY"):
-1524                kwargs["escaped"] = self._parse_string()
-1525        if self._match_text_seq("COLLECTION", "ITEMS", "TERMINATED", "BY"):
-1526            kwargs["collection_items"] = self._parse_string()
-1527        if self._match_text_seq("MAP", "KEYS", "TERMINATED", "BY"):
-1528            kwargs["map_keys"] = self._parse_string()
-1529        if self._match_text_seq("LINES", "TERMINATED", "BY"):
-1530            kwargs["lines"] = self._parse_string()
-1531        if self._match_text_seq("NULL", "DEFINED", "AS"):
-1532            kwargs["null"] = self._parse_string()
-1533
-1534        return self.expression(exp.RowFormatDelimitedProperty, **kwargs)  # type: ignore
-1535
-1536    def _parse_load_data(self) -> exp.Expression:
-1537        local = self._match(TokenType.LOCAL)
-1538        self._match_text_seq("INPATH")
-1539        inpath = self._parse_string()
-1540        overwrite = self._match(TokenType.OVERWRITE)
-1541        self._match_pair(TokenType.INTO, TokenType.TABLE)
-1542
-1543        return self.expression(
-1544            exp.LoadData,
-1545            this=self._parse_table(schema=True),
-1546            local=local,
-1547            overwrite=overwrite,
-1548            inpath=inpath,
-1549            partition=self._parse_partition(),
-1550            input_format=self._match_text_seq("INPUTFORMAT") and self._parse_string(),
-1551            serde=self._match_text_seq("SERDE") and self._parse_string(),
-1552        )
-1553
-1554    def _parse_delete(self) -> exp.Expression:
-1555        self._match(TokenType.FROM)
+1479    def _parse_returns(self) -> exp.Expression:
+1480        value: t.Optional[exp.Expression]
+1481        is_table = self._match(TokenType.TABLE)
+1482
+1483        if is_table:
+1484            if self._match(TokenType.LT):
+1485                value = self.expression(
+1486                    exp.Schema,
+1487                    this="TABLE",
+1488                    expressions=self._parse_csv(self._parse_struct_kwargs),
+1489                )
+1490                if not self._match(TokenType.GT):
+1491                    self.raise_error("Expecting >")
+1492            else:
+1493                value = self._parse_schema(exp.Var(this="TABLE"))
+1494        else:
+1495            value = self._parse_types()
+1496
+1497        return self.expression(exp.ReturnsProperty, this=value, is_table=is_table)
+1498
+1499    def _parse_temporary(self, global_=False) -> exp.Expression:
+1500        self._match(TokenType.TEMPORARY)  # in case calling from "GLOBAL"
+1501        return self.expression(exp.TemporaryProperty, global_=global_)
+1502
+1503    def _parse_describe(self) -> exp.Expression:
+1504        kind = self._match_set(self.CREATABLES) and self._prev.text
+1505        this = self._parse_table()
+1506
+1507        return self.expression(exp.Describe, this=this, kind=kind)
+1508
+1509    def _parse_insert(self) -> exp.Expression:
+1510        overwrite = self._match(TokenType.OVERWRITE)
+1511        local = self._match(TokenType.LOCAL)
+1512
+1513        this: t.Optional[exp.Expression]
+1514
+1515        alternative = None
+1516        if self._match_text_seq("DIRECTORY"):
+1517            this = self.expression(
+1518                exp.Directory,
+1519                this=self._parse_var_or_string(),
+1520                local=local,
+1521                row_format=self._parse_row_format(match_row=True),
+1522            )
+1523        else:
+1524            if self._match(TokenType.OR):
+1525                alternative = self._match_texts(self.INSERT_ALTERNATIVES) and self._prev.text
+1526
+1527            self._match(TokenType.INTO)
+1528            self._match(TokenType.TABLE)
+1529            this = self._parse_table(schema=True)
+1530
+1531        return self.expression(
+1532            exp.Insert,
+1533            this=this,
+1534            exists=self._parse_exists(),
+1535            partition=self._parse_partition(),
+1536            expression=self._parse_ddl_select(),
+1537            overwrite=overwrite,
+1538            alternative=alternative,
+1539        )
+1540
+1541    def _parse_row(self) -> t.Optional[exp.Expression]:
+1542        if not self._match(TokenType.FORMAT):
+1543            return None
+1544        return self._parse_row_format()
+1545
+1546    def _parse_row_format(self, match_row: bool = False) -> t.Optional[exp.Expression]:
+1547        if match_row and not self._match_pair(TokenType.ROW, TokenType.FORMAT):
+1548            return None
+1549
+1550        if self._match_text_seq("SERDE"):
+1551            return self.expression(exp.RowFormatSerdeProperty, this=self._parse_string())
+1552
+1553        self._match_text_seq("DELIMITED")
+1554
+1555        kwargs = {}
 1556
-1557        return self.expression(
-1558            exp.Delete,
-1559            this=self._parse_table(schema=True),
-1560            using=self._parse_csv(lambda: self._match(TokenType.USING) and self._parse_table()),
-1561            where=self._parse_where(),
-1562        )
-1563
-1564    def _parse_update(self) -> exp.Expression:
-1565        return self.expression(
-1566            exp.Update,
-1567            **{  # type: ignore
-1568                "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS),
-1569                "expressions": self._match(TokenType.SET) and self._parse_csv(self._parse_equality),
-1570                "from": self._parse_from(),
-1571                "where": self._parse_where(),
-1572            },
-1573        )
-1574
-1575    def _parse_uncache(self) -> exp.Expression:
-1576        if not self._match(TokenType.TABLE):
-1577            self.raise_error("Expecting TABLE after UNCACHE")
+1557        if self._match_text_seq("FIELDS", "TERMINATED", "BY"):
+1558            kwargs["fields"] = self._parse_string()
+1559            if self._match_text_seq("ESCAPED", "BY"):
+1560                kwargs["escaped"] = self._parse_string()
+1561        if self._match_text_seq("COLLECTION", "ITEMS", "TERMINATED", "BY"):
+1562            kwargs["collection_items"] = self._parse_string()
+1563        if self._match_text_seq("MAP", "KEYS", "TERMINATED", "BY"):
+1564            kwargs["map_keys"] = self._parse_string()
+1565        if self._match_text_seq("LINES", "TERMINATED", "BY"):
+1566            kwargs["lines"] = self._parse_string()
+1567        if self._match_text_seq("NULL", "DEFINED", "AS"):
+1568            kwargs["null"] = self._parse_string()
+1569
+1570        return self.expression(exp.RowFormatDelimitedProperty, **kwargs)  # type: ignore
+1571
+1572    def _parse_load_data(self) -> exp.Expression:
+1573        local = self._match(TokenType.LOCAL)
+1574        self._match_text_seq("INPATH")
+1575        inpath = self._parse_string()
+1576        overwrite = self._match(TokenType.OVERWRITE)
+1577        self._match_pair(TokenType.INTO, TokenType.TABLE)
 1578
 1579        return self.expression(
-1580            exp.Uncache,
-1581            exists=self._parse_exists(),
-1582            this=self._parse_table(schema=True),
-1583        )
-1584
-1585    def _parse_cache(self) -> exp.Expression:
-1586        lazy = self._match(TokenType.LAZY)
-1587        self._match(TokenType.TABLE)
-1588        table = self._parse_table(schema=True)
-1589        options = []
-1590
-1591        if self._match(TokenType.OPTIONS):
-1592            self._match_l_paren()
-1593            k = self._parse_string()
-1594            self._match(TokenType.EQ)
-1595            v = self._parse_string()
-1596            options = [k, v]
-1597            self._match_r_paren()
-1598
-1599        self._match(TokenType.ALIAS)
-1600        return self.expression(
-1601            exp.Cache,
-1602            this=table,
-1603            lazy=lazy,
-1604            options=options,
-1605            expression=self._parse_select(nested=True),
-1606        )
-1607
-1608    def _parse_partition(self) -> t.Optional[exp.Expression]:
-1609        if not self._match(TokenType.PARTITION):
-1610            return None
-1611
-1612        return self.expression(
-1613            exp.Partition, expressions=self._parse_wrapped_csv(self._parse_conjunction)
-1614        )
-1615
-1616    def _parse_value(self) -> exp.Expression:
-1617        if self._match(TokenType.L_PAREN):
-1618            expressions = self._parse_csv(self._parse_conjunction)
-1619            self._match_r_paren()
-1620            return self.expression(exp.Tuple, expressions=expressions)
-1621
-1622        # In presto we can have VALUES 1, 2 which results in 1 column & 2 rows.
-1623        # Source: https://prestodb.io/docs/current/sql/values.html
-1624        return self.expression(exp.Tuple, expressions=[self._parse_conjunction()])
-1625
-1626    def _parse_select(
-1627        self, nested: bool = False, table: bool = False, parse_subquery_alias: bool = True
-1628    ) -> t.Optional[exp.Expression]:
-1629        cte = self._parse_with()
-1630        if cte:
-1631            this = self._parse_statement()
-1632
-1633            if not this:
-1634                self.raise_error("Failed to parse any statement following CTE")
-1635                return cte
-1636
-1637            if "with" in this.arg_types:
-1638                this.set("with", cte)
-1639            else:
-1640                self.raise_error(f"{this.key} does not support CTE")
-1641                this = cte
-1642        elif self._match(TokenType.SELECT):
-1643            comments = self._prev_comments
-1644
-1645            hint = self._parse_hint()
-1646            all_ = self._match(TokenType.ALL)
-1647            distinct = self._match(TokenType.DISTINCT)
-1648
-1649            if distinct:
-1650                distinct = self.expression(
-1651                    exp.Distinct,
-1652                    on=self._parse_value() if self._match(TokenType.ON) else None,
-1653                )
-1654
-1655            if all_ and distinct:
-1656                self.raise_error("Cannot specify both ALL and DISTINCT after SELECT")
+1580            exp.LoadData,
+1581            this=self._parse_table(schema=True),
+1582            local=local,
+1583            overwrite=overwrite,
+1584            inpath=inpath,
+1585            partition=self._parse_partition(),
+1586            input_format=self._match_text_seq("INPUTFORMAT") and self._parse_string(),
+1587            serde=self._match_text_seq("SERDE") and self._parse_string(),
+1588        )
+1589
+1590    def _parse_delete(self) -> exp.Expression:
+1591        self._match(TokenType.FROM)
+1592
+1593        return self.expression(
+1594            exp.Delete,
+1595            this=self._parse_table(schema=True),
+1596            using=self._parse_csv(lambda: self._match(TokenType.USING) and self._parse_table()),
+1597            where=self._parse_where(),
+1598        )
+1599
+1600    def _parse_update(self) -> exp.Expression:
+1601        return self.expression(
+1602            exp.Update,
+1603            **{  # type: ignore
+1604                "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS),
+1605                "expressions": self._match(TokenType.SET) and self._parse_csv(self._parse_equality),
+1606                "from": self._parse_from(),
+1607                "where": self._parse_where(),
+1608            },
+1609        )
+1610
+1611    def _parse_uncache(self) -> exp.Expression:
+1612        if not self._match(TokenType.TABLE):
+1613            self.raise_error("Expecting TABLE after UNCACHE")
+1614
+1615        return self.expression(
+1616            exp.Uncache,
+1617            exists=self._parse_exists(),
+1618            this=self._parse_table(schema=True),
+1619        )
+1620
+1621    def _parse_cache(self) -> exp.Expression:
+1622        lazy = self._match(TokenType.LAZY)
+1623        self._match(TokenType.TABLE)
+1624        table = self._parse_table(schema=True)
+1625        options = []
+1626
+1627        if self._match(TokenType.OPTIONS):
+1628            self._match_l_paren()
+1629            k = self._parse_string()
+1630            self._match(TokenType.EQ)
+1631            v = self._parse_string()
+1632            options = [k, v]
+1633            self._match_r_paren()
+1634
+1635        self._match(TokenType.ALIAS)
+1636        return self.expression(
+1637            exp.Cache,
+1638            this=table,
+1639            lazy=lazy,
+1640            options=options,
+1641            expression=self._parse_select(nested=True),
+1642        )
+1643
+1644    def _parse_partition(self) -> t.Optional[exp.Expression]:
+1645        if not self._match(TokenType.PARTITION):
+1646            return None
+1647
+1648        return self.expression(
+1649            exp.Partition, expressions=self._parse_wrapped_csv(self._parse_conjunction)
+1650        )
+1651
+1652    def _parse_value(self) -> exp.Expression:
+1653        if self._match(TokenType.L_PAREN):
+1654            expressions = self._parse_csv(self._parse_conjunction)
+1655            self._match_r_paren()
+1656            return self.expression(exp.Tuple, expressions=expressions)
 1657
-1658            limit = self._parse_limit(top=True)
-1659            expressions = self._parse_csv(self._parse_expression)
-1660
-1661            this = self.expression(
-1662                exp.Select,
-1663                hint=hint,
-1664                distinct=distinct,
-1665                expressions=expressions,
-1666                limit=limit,
-1667            )
-1668            this.comments = comments
-1669
-1670            into = self._parse_into()
-1671            if into:
-1672                this.set("into", into)
-1673
-1674            from_ = self._parse_from()
-1675            if from_:
-1676                this.set("from", from_)
-1677
-1678            self._parse_query_modifiers(this)
-1679        elif (table or nested) and self._match(TokenType.L_PAREN):
-1680            this = self._parse_table() if table else self._parse_select(nested=True)
-1681            self._parse_query_modifiers(this)
-1682            this = self._parse_set_operations(this)
-1683            self._match_r_paren()
+1658        # In presto we can have VALUES 1, 2 which results in 1 column & 2 rows.
+1659        # Source: https://prestodb.io/docs/current/sql/values.html
+1660        return self.expression(exp.Tuple, expressions=[self._parse_conjunction()])
+1661
+1662    def _parse_select(
+1663        self, nested: bool = False, table: bool = False, parse_subquery_alias: bool = True
+1664    ) -> t.Optional[exp.Expression]:
+1665        cte = self._parse_with()
+1666        if cte:
+1667            this = self._parse_statement()
+1668
+1669            if not this:
+1670                self.raise_error("Failed to parse any statement following CTE")
+1671                return cte
+1672
+1673            if "with" in this.arg_types:
+1674                this.set("with", cte)
+1675            else:
+1676                self.raise_error(f"{this.key} does not support CTE")
+1677                this = cte
+1678        elif self._match(TokenType.SELECT):
+1679            comments = self._prev_comments
+1680
+1681            hint = self._parse_hint()
+1682            all_ = self._match(TokenType.ALL)
+1683            distinct = self._match(TokenType.DISTINCT)
 1684
-1685            # early return so that subquery unions aren't parsed again
-1686            # SELECT * FROM (SELECT 1) UNION ALL SELECT 1
-1687            # Union ALL should be a property of the top select node, not the subquery
-1688            return self._parse_subquery(this, parse_alias=parse_subquery_alias)
-1689        elif self._match(TokenType.VALUES):
-1690            this = self.expression(
-1691                exp.Values,
-1692                expressions=self._parse_csv(self._parse_value),
-1693                alias=self._parse_table_alias(),
-1694            )
-1695        else:
-1696            this = None
-1697
-1698        return self._parse_set_operations(this)
-1699
-1700    def _parse_with(self, skip_with_token: bool = False) -> t.Optional[exp.Expression]:
-1701        if not skip_with_token and not self._match(TokenType.WITH):
-1702            return None
-1703
-1704        recursive = self._match(TokenType.RECURSIVE)
+1685            if distinct:
+1686                distinct = self.expression(
+1687                    exp.Distinct,
+1688                    on=self._parse_value() if self._match(TokenType.ON) else None,
+1689                )
+1690
+1691            if all_ and distinct:
+1692                self.raise_error("Cannot specify both ALL and DISTINCT after SELECT")
+1693
+1694            limit = self._parse_limit(top=True)
+1695            expressions = self._parse_csv(self._parse_expression)
+1696
+1697            this = self.expression(
+1698                exp.Select,
+1699                hint=hint,
+1700                distinct=distinct,
+1701                expressions=expressions,
+1702                limit=limit,
+1703            )
+1704            this.comments = comments
 1705
-1706        expressions = []
-1707        while True:
-1708            expressions.append(self._parse_cte())
+1706            into = self._parse_into()
+1707            if into:
+1708                this.set("into", into)
 1709
-1710            if not self._match(TokenType.COMMA) and not self._match(TokenType.WITH):
-1711                break
-1712            else:
-1713                self._match(TokenType.WITH)
-1714
-1715        return self.expression(exp.With, expressions=expressions, recursive=recursive)
-1716
-1717    def _parse_cte(self) -> exp.Expression:
-1718        alias = self._parse_table_alias()
-1719        if not alias or not alias.this:
-1720            self.raise_error("Expected CTE to have alias")
-1721
-1722        self._match(TokenType.ALIAS)
-1723
-1724        return self.expression(
-1725            exp.CTE,
-1726            this=self._parse_wrapped(self._parse_statement),
-1727            alias=alias,
-1728        )
-1729
-1730    def _parse_table_alias(
-1731        self, alias_tokens: t.Optional[t.Collection[TokenType]] = None
-1732    ) -> t.Optional[exp.Expression]:
-1733        any_token = self._match(TokenType.ALIAS)
-1734        alias = self._parse_id_var(
-1735            any_token=any_token, tokens=alias_tokens or self.TABLE_ALIAS_TOKENS
-1736        )
-1737        index = self._index
-1738
-1739        if self._match(TokenType.L_PAREN):
-1740            columns = self._parse_csv(self._parse_function_parameter)
-1741            self._match_r_paren() if columns else self._retreat(index)
-1742        else:
-1743            columns = None
-1744
-1745        if not alias and not columns:
-1746            return None
-1747
-1748        return self.expression(exp.TableAlias, this=alias, columns=columns)
-1749
-1750    def _parse_subquery(
-1751        self, this: t.Optional[exp.Expression], parse_alias: bool = True
-1752    ) -> exp.Expression:
-1753        return self.expression(
-1754            exp.Subquery,
-1755            this=this,
-1756            pivots=self._parse_pivots(),
-1757            alias=self._parse_table_alias() if parse_alias else None,
-1758        )
+1710            from_ = self._parse_from()
+1711            if from_:
+1712                this.set("from", from_)
+1713
+1714            self._parse_query_modifiers(this)
+1715        elif (table or nested) and self._match(TokenType.L_PAREN):
+1716            this = self._parse_table() if table else self._parse_select(nested=True)
+1717            self._parse_query_modifiers(this)
+1718            this = self._parse_set_operations(this)
+1719            self._match_r_paren()
+1720
+1721            # early return so that subquery unions aren't parsed again
+1722            # SELECT * FROM (SELECT 1) UNION ALL SELECT 1
+1723            # Union ALL should be a property of the top select node, not the subquery
+1724            return self._parse_subquery(this, parse_alias=parse_subquery_alias)
+1725        elif self._match(TokenType.VALUES):
+1726            this = self.expression(
+1727                exp.Values,
+1728                expressions=self._parse_csv(self._parse_value),
+1729                alias=self._parse_table_alias(),
+1730            )
+1731        else:
+1732            this = None
+1733
+1734        return self._parse_set_operations(this)
+1735
+1736    def _parse_with(self, skip_with_token: bool = False) -> t.Optional[exp.Expression]:
+1737        if not skip_with_token and not self._match(TokenType.WITH):
+1738            return None
+1739
+1740        recursive = self._match(TokenType.RECURSIVE)
+1741
+1742        expressions = []
+1743        while True:
+1744            expressions.append(self._parse_cte())
+1745
+1746            if not self._match(TokenType.COMMA) and not self._match(TokenType.WITH):
+1747                break
+1748            else:
+1749                self._match(TokenType.WITH)
+1750
+1751        return self.expression(exp.With, expressions=expressions, recursive=recursive)
+1752
+1753    def _parse_cte(self) -> exp.Expression:
+1754        alias = self._parse_table_alias()
+1755        if not alias or not alias.this:
+1756            self.raise_error("Expected CTE to have alias")
+1757
+1758        self._match(TokenType.ALIAS)
 1759
-1760    def _parse_query_modifiers(self, this: t.Optional[exp.Expression]) -> None:
-1761        if not isinstance(this, self.MODIFIABLES):
-1762            return
-1763
-1764        table = isinstance(this, exp.Table)
+1760        return self.expression(
+1761            exp.CTE,
+1762            this=self._parse_wrapped(self._parse_statement),
+1763            alias=alias,
+1764        )
 1765
-1766        while True:
-1767            lateral = self._parse_lateral()
-1768            join = self._parse_join()
-1769            comma = None if table else self._match(TokenType.COMMA)
-1770            if lateral:
-1771                this.append("laterals", lateral)
-1772            if join:
-1773                this.append("joins", join)
-1774            if comma:
-1775                this.args["from"].append("expressions", self._parse_table())
-1776            if not (lateral or join or comma):
-1777                break
-1778
-1779        for key, parser in self.QUERY_MODIFIER_PARSERS.items():
-1780            expression = parser(self)
-1781
-1782            if expression:
-1783                this.set(key, expression)
-1784
-1785    def _parse_hint(self) -> t.Optional[exp.Expression]:
-1786        if self._match(TokenType.HINT):
-1787            hints = self._parse_csv(self._parse_function)
-1788            if not self._match_pair(TokenType.STAR, TokenType.SLASH):
-1789                self.raise_error("Expected */ after HINT")
-1790            return self.expression(exp.Hint, expressions=hints)
-1791
-1792        return None
-1793
-1794    def _parse_into(self) -> t.Optional[exp.Expression]:
-1795        if not self._match(TokenType.INTO):
-1796            return None
-1797
-1798        temp = self._match(TokenType.TEMPORARY)
-1799        unlogged = self._match(TokenType.UNLOGGED)
-1800        self._match(TokenType.TABLE)
+1766    def _parse_table_alias(
+1767        self, alias_tokens: t.Optional[t.Collection[TokenType]] = None
+1768    ) -> t.Optional[exp.Expression]:
+1769        any_token = self._match(TokenType.ALIAS)
+1770        alias = self._parse_id_var(
+1771            any_token=any_token, tokens=alias_tokens or self.TABLE_ALIAS_TOKENS
+1772        )
+1773        index = self._index
+1774
+1775        if self._match(TokenType.L_PAREN):
+1776            columns = self._parse_csv(self._parse_function_parameter)
+1777            self._match_r_paren() if columns else self._retreat(index)
+1778        else:
+1779            columns = None
+1780
+1781        if not alias and not columns:
+1782            return None
+1783
+1784        return self.expression(exp.TableAlias, this=alias, columns=columns)
+1785
+1786    def _parse_subquery(
+1787        self, this: t.Optional[exp.Expression], parse_alias: bool = True
+1788    ) -> exp.Expression:
+1789        return self.expression(
+1790            exp.Subquery,
+1791            this=this,
+1792            pivots=self._parse_pivots(),
+1793            alias=self._parse_table_alias() if parse_alias else None,
+1794        )
+1795
+1796    def _parse_query_modifiers(self, this: t.Optional[exp.Expression]) -> None:
+1797        if not isinstance(this, self.MODIFIABLES):
+1798            return
+1799
+1800        table = isinstance(this, exp.Table)
 1801
-1802        return self.expression(
-1803            exp.Into, this=self._parse_table(schema=True), temporary=temp, unlogged=unlogged
-1804        )
-1805
-1806    def _parse_from(self) -> t.Optional[exp.Expression]:
-1807        if not self._match(TokenType.FROM):
-1808            return None
-1809
-1810        return self.expression(
-1811            exp.From, comments=self._prev_comments, expressions=self._parse_csv(self._parse_table)
-1812        )
-1813
-1814    def _parse_match_recognize(self) -> t.Optional[exp.Expression]:
-1815        if not self._match(TokenType.MATCH_RECOGNIZE):
-1816            return None
-1817        self._match_l_paren()
-1818
-1819        partition = self._parse_partition_by()
-1820        order = self._parse_order()
-1821        measures = (
-1822            self._parse_alias(self._parse_conjunction())
-1823            if self._match_text_seq("MEASURES")
-1824            else None
-1825        )
-1826
-1827        if self._match_text_seq("ONE", "ROW", "PER", "MATCH"):
-1828            rows = exp.Var(this="ONE ROW PER MATCH")
-1829        elif self._match_text_seq("ALL", "ROWS", "PER", "MATCH"):
-1830            text = "ALL ROWS PER MATCH"
-1831            if self._match_text_seq("SHOW", "EMPTY", "MATCHES"):
-1832                text += f" SHOW EMPTY MATCHES"
-1833            elif self._match_text_seq("OMIT", "EMPTY", "MATCHES"):
-1834                text += f" OMIT EMPTY MATCHES"
-1835            elif self._match_text_seq("WITH", "UNMATCHED", "ROWS"):
-1836                text += f" WITH UNMATCHED ROWS"
-1837            rows = exp.Var(this=text)
-1838        else:
-1839            rows = None
-1840
-1841        if self._match_text_seq("AFTER", "MATCH", "SKIP"):
-1842            text = "AFTER MATCH SKIP"
-1843            if self._match_text_seq("PAST", "LAST", "ROW"):
-1844                text += f" PAST LAST ROW"
-1845            elif self._match_text_seq("TO", "NEXT", "ROW"):
-1846                text += f" TO NEXT ROW"
-1847            elif self._match_text_seq("TO", "FIRST"):
-1848                text += f" TO FIRST {self._advance_any().text}"  # type: ignore
-1849            elif self._match_text_seq("TO", "LAST"):
-1850                text += f" TO LAST {self._advance_any().text}"  # type: ignore
-1851            after = exp.Var(this=text)
-1852        else:
-1853            after = None
+1802        while True:
+1803            lateral = self._parse_lateral()
+1804            join = self._parse_join()
+1805            comma = None if table else self._match(TokenType.COMMA)
+1806            if lateral:
+1807                this.append("laterals", lateral)
+1808            if join:
+1809                this.append("joins", join)
+1810            if comma:
+1811                this.args["from"].append("expressions", self._parse_table())
+1812            if not (lateral or join or comma):
+1813                break
+1814
+1815        for key, parser in self.QUERY_MODIFIER_PARSERS.items():
+1816            expression = parser(self)
+1817
+1818            if expression:
+1819                this.set(key, expression)
+1820
+1821    def _parse_hint(self) -> t.Optional[exp.Expression]:
+1822        if self._match(TokenType.HINT):
+1823            hints = self._parse_csv(self._parse_function)
+1824            if not self._match_pair(TokenType.STAR, TokenType.SLASH):
+1825                self.raise_error("Expected */ after HINT")
+1826            return self.expression(exp.Hint, expressions=hints)
+1827
+1828        return None
+1829
+1830    def _parse_into(self) -> t.Optional[exp.Expression]:
+1831        if not self._match(TokenType.INTO):
+1832            return None
+1833
+1834        temp = self._match(TokenType.TEMPORARY)
+1835        unlogged = self._match(TokenType.UNLOGGED)
+1836        self._match(TokenType.TABLE)
+1837
+1838        return self.expression(
+1839            exp.Into, this=self._parse_table(schema=True), temporary=temp, unlogged=unlogged
+1840        )
+1841
+1842    def _parse_from(self) -> t.Optional[exp.Expression]:
+1843        if not self._match(TokenType.FROM):
+1844            return None
+1845
+1846        return self.expression(
+1847            exp.From, comments=self._prev_comments, expressions=self._parse_csv(self._parse_table)
+1848        )
+1849
+1850    def _parse_match_recognize(self) -> t.Optional[exp.Expression]:
+1851        if not self._match(TokenType.MATCH_RECOGNIZE):
+1852            return None
+1853        self._match_l_paren()
 1854
-1855        if self._match_text_seq("PATTERN"):
-1856            self._match_l_paren()
-1857
-1858            if not self._curr:
-1859                self.raise_error("Expecting )", self._curr)
-1860
-1861            paren = 1
-1862            start = self._curr
-1863
-1864            while self._curr and paren > 0:
-1865                if self._curr.token_type == TokenType.L_PAREN:
-1866                    paren += 1
-1867                if self._curr.token_type == TokenType.R_PAREN:
-1868                    paren -= 1
-1869                end = self._prev
-1870                self._advance()
-1871            if paren > 0:
-1872                self.raise_error("Expecting )", self._curr)
-1873            pattern = exp.Var(this=self._find_sql(start, end))
+1855        partition = self._parse_partition_by()
+1856        order = self._parse_order()
+1857        measures = (
+1858            self._parse_alias(self._parse_conjunction())
+1859            if self._match_text_seq("MEASURES")
+1860            else None
+1861        )
+1862
+1863        if self._match_text_seq("ONE", "ROW", "PER", "MATCH"):
+1864            rows = exp.Var(this="ONE ROW PER MATCH")
+1865        elif self._match_text_seq("ALL", "ROWS", "PER", "MATCH"):
+1866            text = "ALL ROWS PER MATCH"
+1867            if self._match_text_seq("SHOW", "EMPTY", "MATCHES"):
+1868                text += f" SHOW EMPTY MATCHES"
+1869            elif self._match_text_seq("OMIT", "EMPTY", "MATCHES"):
+1870                text += f" OMIT EMPTY MATCHES"
+1871            elif self._match_text_seq("WITH", "UNMATCHED", "ROWS"):
+1872                text += f" WITH UNMATCHED ROWS"
+1873            rows = exp.Var(this=text)
 1874        else:
-1875            pattern = None
+1875            rows = None
 1876
-1877        define = (
-1878            self._parse_alias(self._parse_conjunction()) if self._match_text_seq("DEFINE") else None
-1879        )
-1880        self._match_r_paren()
-1881
-1882        return self.expression(
-1883            exp.MatchRecognize,
-1884            partition_by=partition,
-1885            order=order,
-1886            measures=measures,
-1887            rows=rows,
-1888            after=after,
-1889            pattern=pattern,
-1890            define=define,
-1891        )
-1892
-1893    def _parse_lateral(self) -> t.Optional[exp.Expression]:
-1894        outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY)
-1895        cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY)
+1877        if self._match_text_seq("AFTER", "MATCH", "SKIP"):
+1878            text = "AFTER MATCH SKIP"
+1879            if self._match_text_seq("PAST", "LAST", "ROW"):
+1880                text += f" PAST LAST ROW"
+1881            elif self._match_text_seq("TO", "NEXT", "ROW"):
+1882                text += f" TO NEXT ROW"
+1883            elif self._match_text_seq("TO", "FIRST"):
+1884                text += f" TO FIRST {self._advance_any().text}"  # type: ignore
+1885            elif self._match_text_seq("TO", "LAST"):
+1886                text += f" TO LAST {self._advance_any().text}"  # type: ignore
+1887            after = exp.Var(this=text)
+1888        else:
+1889            after = None
+1890
+1891        if self._match_text_seq("PATTERN"):
+1892            self._match_l_paren()
+1893
+1894            if not self._curr:
+1895                self.raise_error("Expecting )", self._curr)
 1896
-1897        if outer_apply or cross_apply:
-1898            this = self._parse_select(table=True)
-1899            view = None
-1900            outer = not cross_apply
-1901        elif self._match(TokenType.LATERAL):
-1902            this = self._parse_select(table=True)
-1903            view = self._match(TokenType.VIEW)
-1904            outer = self._match(TokenType.OUTER)
-1905        else:
-1906            return None
-1907
-1908        if not this:
-1909            this = self._parse_function() or self._parse_id_var(any_token=False)
-1910            while self._match(TokenType.DOT):
-1911                this = exp.Dot(
-1912                    this=this,
-1913                    expression=self._parse_function() or self._parse_id_var(any_token=False),
-1914                )
-1915
-1916        table_alias: t.Optional[exp.Expression]
+1897            paren = 1
+1898            start = self._curr
+1899
+1900            while self._curr and paren > 0:
+1901                if self._curr.token_type == TokenType.L_PAREN:
+1902                    paren += 1
+1903                if self._curr.token_type == TokenType.R_PAREN:
+1904                    paren -= 1
+1905                end = self._prev
+1906                self._advance()
+1907            if paren > 0:
+1908                self.raise_error("Expecting )", self._curr)
+1909            pattern = exp.Var(this=self._find_sql(start, end))
+1910        else:
+1911            pattern = None
+1912
+1913        define = (
+1914            self._parse_alias(self._parse_conjunction()) if self._match_text_seq("DEFINE") else None
+1915        )
+1916        self._match_r_paren()
 1917
-1918        if view:
-1919            table = self._parse_id_var(any_token=False)
-1920            columns = self._parse_csv(self._parse_id_var) if self._match(TokenType.ALIAS) else []
-1921            table_alias = self.expression(exp.TableAlias, this=table, columns=columns)
-1922        else:
-1923            table_alias = self._parse_table_alias()
-1924
-1925        expression = self.expression(
-1926            exp.Lateral,
-1927            this=this,
-1928            view=view,
-1929            outer=outer,
-1930            alias=table_alias,
-1931        )
+1918        return self.expression(
+1919            exp.MatchRecognize,
+1920            partition_by=partition,
+1921            order=order,
+1922            measures=measures,
+1923            rows=rows,
+1924            after=after,
+1925            pattern=pattern,
+1926            define=define,
+1927        )
+1928
+1929    def _parse_lateral(self) -> t.Optional[exp.Expression]:
+1930        outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY)
+1931        cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY)
 1932
 1933        if outer_apply or cross_apply:
-1934            return self.expression(exp.Join, this=expression, side=None if cross_apply else "LEFT")
-1935
-1936        return expression
-1937
-1938    def _parse_join_side_and_kind(
-1939        self,
-1940    ) -> t.Tuple[t.Optional[Token], t.Optional[Token], t.Optional[Token]]:
-1941        return (
-1942            self._match(TokenType.NATURAL) and self._prev,
-1943            self._match_set(self.JOIN_SIDES) and self._prev,
-1944            self._match_set(self.JOIN_KINDS) and self._prev,
-1945        )
-1946
-1947    def _parse_join(self, skip_join_token: bool = False) -> t.Optional[exp.Expression]:
-1948        natural, side, kind = self._parse_join_side_and_kind()
-1949
-1950        if not skip_join_token and not self._match(TokenType.JOIN):
-1951            return None
-1952
-1953        kwargs: t.Dict[
-1954            str, t.Optional[exp.Expression] | bool | str | t.List[t.Optional[exp.Expression]]
-1955        ] = {"this": self._parse_table()}
-1956
-1957        if natural:
-1958            kwargs["natural"] = True
-1959        if side:
-1960            kwargs["side"] = side.text
-1961        if kind:
-1962            kwargs["kind"] = kind.text
-1963
-1964        if self._match(TokenType.ON):
-1965            kwargs["on"] = self._parse_conjunction()
-1966        elif self._match(TokenType.USING):
-1967            kwargs["using"] = self._parse_wrapped_id_vars()
+1934            this = self._parse_select(table=True)
+1935            view = None
+1936            outer = not cross_apply
+1937        elif self._match(TokenType.LATERAL):
+1938            this = self._parse_select(table=True)
+1939            view = self._match(TokenType.VIEW)
+1940            outer = self._match(TokenType.OUTER)
+1941        else:
+1942            return None
+1943
+1944        if not this:
+1945            this = self._parse_function() or self._parse_id_var(any_token=False)
+1946            while self._match(TokenType.DOT):
+1947                this = exp.Dot(
+1948                    this=this,
+1949                    expression=self._parse_function() or self._parse_id_var(any_token=False),
+1950                )
+1951
+1952        table_alias: t.Optional[exp.Expression]
+1953
+1954        if view:
+1955            table = self._parse_id_var(any_token=False)
+1956            columns = self._parse_csv(self._parse_id_var) if self._match(TokenType.ALIAS) else []
+1957            table_alias = self.expression(exp.TableAlias, this=table, columns=columns)
+1958        else:
+1959            table_alias = self._parse_table_alias()
+1960
+1961        expression = self.expression(
+1962            exp.Lateral,
+1963            this=this,
+1964            view=view,
+1965            outer=outer,
+1966            alias=table_alias,
+1967        )
 1968
-1969        return self.expression(exp.Join, **kwargs)  # type: ignore
-1970
-1971    def _parse_index(self) -> exp.Expression:
-1972        index = self._parse_id_var()
-1973        self._match(TokenType.ON)
-1974        self._match(TokenType.TABLE)  # hive
-1975
-1976        return self.expression(
-1977            exp.Index,
-1978            this=index,
-1979            table=self.expression(exp.Table, this=self._parse_id_var()),
-1980            columns=self._parse_expression(),
+1969        if outer_apply or cross_apply:
+1970            return self.expression(exp.Join, this=expression, side=None if cross_apply else "LEFT")
+1971
+1972        return expression
+1973
+1974    def _parse_join_side_and_kind(
+1975        self,
+1976    ) -> t.Tuple[t.Optional[Token], t.Optional[Token], t.Optional[Token]]:
+1977        return (
+1978            self._match(TokenType.NATURAL) and self._prev,
+1979            self._match_set(self.JOIN_SIDES) and self._prev,
+1980            self._match_set(self.JOIN_KINDS) and self._prev,
 1981        )
 1982
-1983    def _parse_create_table_index(self) -> t.Optional[exp.Expression]:
-1984        unique = self._match(TokenType.UNIQUE)
-1985        primary = self._match_text_seq("PRIMARY")
-1986        amp = self._match_text_seq("AMP")
-1987        if not self._match(TokenType.INDEX):
-1988            return None
-1989        index = self._parse_id_var()
-1990        columns = None
-1991        if self._match(TokenType.L_PAREN, advance=False):
-1992            columns = self._parse_wrapped_csv(self._parse_column)
-1993        return self.expression(
-1994            exp.Index,
-1995            this=index,
-1996            columns=columns,
-1997            unique=unique,
-1998            primary=primary,
-1999            amp=amp,
-2000        )
-2001
-2002    def _parse_table_parts(self, schema: bool = False) -> exp.Expression:
-2003        catalog = None
-2004        db = None
-2005        table = (not schema and self._parse_function()) or self._parse_id_var(any_token=False)
+1983    def _parse_join(self, skip_join_token: bool = False) -> t.Optional[exp.Expression]:
+1984        natural, side, kind = self._parse_join_side_and_kind()
+1985
+1986        if not skip_join_token and not self._match(TokenType.JOIN):
+1987            return None
+1988
+1989        kwargs: t.Dict[
+1990            str, t.Optional[exp.Expression] | bool | str | t.List[t.Optional[exp.Expression]]
+1991        ] = {"this": self._parse_table()}
+1992
+1993        if natural:
+1994            kwargs["natural"] = True
+1995        if side:
+1996            kwargs["side"] = side.text
+1997        if kind:
+1998            kwargs["kind"] = kind.text
+1999
+2000        if self._match(TokenType.ON):
+2001            kwargs["on"] = self._parse_conjunction()
+2002        elif self._match(TokenType.USING):
+2003            kwargs["using"] = self._parse_wrapped_id_vars()
+2004
+2005        return self.expression(exp.Join, **kwargs)  # type: ignore
 2006
-2007        while self._match(TokenType.DOT):
-2008            if catalog:
-2009                # This allows nesting the table in arbitrarily many dot expressions if needed
-2010                table = self.expression(exp.Dot, this=table, expression=self._parse_id_var())
-2011            else:
-2012                catalog = db
-2013                db = table
-2014                table = self._parse_id_var()
-2015
-2016        if not table:
-2017            self.raise_error(f"Expected table name but got {self._curr}")
+2007    def _parse_index(self) -> exp.Expression:
+2008        index = self._parse_id_var()
+2009        self._match(TokenType.ON)
+2010        self._match(TokenType.TABLE)  # hive
+2011
+2012        return self.expression(
+2013            exp.Index,
+2014            this=index,
+2015            table=self.expression(exp.Table, this=self._parse_id_var()),
+2016            columns=self._parse_expression(),
+2017        )
 2018
-2019        return self.expression(
-2020            exp.Table, this=table, db=db, catalog=catalog, pivots=self._parse_pivots()
-2021        )
-2022
-2023    def _parse_table(
-2024        self, schema: bool = False, alias_tokens: t.Optional[t.Collection[TokenType]] = None
-2025    ) -> t.Optional[exp.Expression]:
-2026        lateral = self._parse_lateral()
-2027
-2028        if lateral:
-2029            return lateral
-2030
-2031        unnest = self._parse_unnest()
-2032
-2033        if unnest:
-2034            return unnest
-2035
-2036        values = self._parse_derived_table_values()
+2019    def _parse_create_table_index(self) -> t.Optional[exp.Expression]:
+2020        unique = self._match(TokenType.UNIQUE)
+2021        primary = self._match_text_seq("PRIMARY")
+2022        amp = self._match_text_seq("AMP")
+2023        if not self._match(TokenType.INDEX):
+2024            return None
+2025        index = self._parse_id_var()
+2026        columns = None
+2027        if self._match(TokenType.L_PAREN, advance=False):
+2028            columns = self._parse_wrapped_csv(self._parse_column)
+2029        return self.expression(
+2030            exp.Index,
+2031            this=index,
+2032            columns=columns,
+2033            unique=unique,
+2034            primary=primary,
+2035            amp=amp,
+2036        )
 2037
-2038        if values:
-2039            return values
-2040
-2041        subquery = self._parse_select(table=True)
+2038    def _parse_table_parts(self, schema: bool = False) -> exp.Expression:
+2039        catalog = None
+2040        db = None
+2041        table = (not schema and self._parse_function()) or self._parse_id_var(any_token=False)
 2042
-2043        if subquery:
-2044            return subquery
-2045
-2046        this = self._parse_table_parts(schema=schema)
-2047
-2048        if schema:
-2049            return self._parse_schema(this=this)
-2050
-2051        if self.alias_post_tablesample:
-2052            table_sample = self._parse_table_sample()
-2053
-2054        alias = self._parse_table_alias(alias_tokens=alias_tokens or self.TABLE_ALIAS_TOKENS)
-2055
-2056        if alias:
-2057            this.set("alias", alias)
+2043        while self._match(TokenType.DOT):
+2044            if catalog:
+2045                # This allows nesting the table in arbitrarily many dot expressions if needed
+2046                table = self.expression(exp.Dot, this=table, expression=self._parse_id_var())
+2047            else:
+2048                catalog = db
+2049                db = table
+2050                table = self._parse_id_var()
+2051
+2052        if not table:
+2053            self.raise_error(f"Expected table name but got {self._curr}")
+2054
+2055        return self.expression(
+2056            exp.Table, this=table, db=db, catalog=catalog, pivots=self._parse_pivots()
+2057        )
 2058
-2059        if not this.args.get("pivots"):
-2060            this.set("pivots", self._parse_pivots())
-2061
-2062        if self._match_pair(TokenType.WITH, TokenType.L_PAREN):
-2063            this.set(
-2064                "hints",
-2065                self._parse_csv(lambda: self._parse_function() or self._parse_var(any_token=True)),
-2066            )
-2067            self._match_r_paren()
+2059    def _parse_table(
+2060        self, schema: bool = False, alias_tokens: t.Optional[t.Collection[TokenType]] = None
+2061    ) -> t.Optional[exp.Expression]:
+2062        lateral = self._parse_lateral()
+2063
+2064        if lateral:
+2065            return lateral
+2066
+2067        unnest = self._parse_unnest()
 2068
-2069        if not self.alias_post_tablesample:
-2070            table_sample = self._parse_table_sample()
+2069        if unnest:
+2070            return unnest
 2071
-2072        if table_sample:
-2073            table_sample.set("this", this)
-2074            this = table_sample
-2075
-2076        return this
-2077
-2078    def _parse_unnest(self) -> t.Optional[exp.Expression]:
-2079        if not self._match(TokenType.UNNEST):
-2080            return None
+2072        values = self._parse_derived_table_values()
+2073
+2074        if values:
+2075            return values
+2076
+2077        subquery = self._parse_select(table=True)
+2078
+2079        if subquery:
+2080            return subquery
 2081
-2082        expressions = self._parse_wrapped_csv(self._parse_column)
-2083        ordinality = bool(self._match(TokenType.WITH) and self._match(TokenType.ORDINALITY))
-2084        alias = self._parse_table_alias()
-2085
-2086        if alias and self.unnest_column_only:
-2087            if alias.args.get("columns"):
-2088                self.raise_error("Unexpected extra column alias in unnest.")
-2089            alias.set("columns", [alias.this])
-2090            alias.set("this", None)
+2082        this = self._parse_table_parts(schema=schema)
+2083
+2084        if schema:
+2085            return self._parse_schema(this=this)
+2086
+2087        if self.alias_post_tablesample:
+2088            table_sample = self._parse_table_sample()
+2089
+2090        alias = self._parse_table_alias(alias_tokens=alias_tokens or self.TABLE_ALIAS_TOKENS)
 2091
-2092        offset = None
-2093        if self._match_pair(TokenType.WITH, TokenType.OFFSET):
-2094            self._match(TokenType.ALIAS)
-2095            offset = self._parse_conjunction()
-2096
-2097        return self.expression(
-2098            exp.Unnest,
-2099            expressions=expressions,
-2100            ordinality=ordinality,
-2101            alias=alias,
-2102            offset=offset,
-2103        )
+2092        if alias:
+2093            this.set("alias", alias)
+2094
+2095        if not this.args.get("pivots"):
+2096            this.set("pivots", self._parse_pivots())
+2097
+2098        if self._match_pair(TokenType.WITH, TokenType.L_PAREN):
+2099            this.set(
+2100                "hints",
+2101                self._parse_csv(lambda: self._parse_function() or self._parse_var(any_token=True)),
+2102            )
+2103            self._match_r_paren()
 2104
-2105    def _parse_derived_table_values(self) -> t.Optional[exp.Expression]:
-2106        is_derived = self._match_pair(TokenType.L_PAREN, TokenType.VALUES)
-2107        if not is_derived and not self._match(TokenType.VALUES):
-2108            return None
-2109
-2110        expressions = self._parse_csv(self._parse_value)
+2105        if not self.alias_post_tablesample:
+2106            table_sample = self._parse_table_sample()
+2107
+2108        if table_sample:
+2109            table_sample.set("this", this)
+2110            this = table_sample
 2111
-2112        if is_derived:
-2113            self._match_r_paren()
-2114
-2115        return self.expression(exp.Values, expressions=expressions, alias=self._parse_table_alias())
-2116
-2117    def _parse_table_sample(self) -> t.Optional[exp.Expression]:
-2118        if not self._match(TokenType.TABLE_SAMPLE):
-2119            return None
-2120
-2121        method = self._parse_var()
-2122        bucket_numerator = None
-2123        bucket_denominator = None
-2124        bucket_field = None
-2125        percent = None
-2126        rows = None
-2127        size = None
-2128        seed = None
-2129
-2130        self._match_l_paren()
-2131
-2132        if self._match(TokenType.BUCKET):
-2133            bucket_numerator = self._parse_number()
-2134            self._match(TokenType.OUT_OF)
-2135            bucket_denominator = bucket_denominator = self._parse_number()
-2136            self._match(TokenType.ON)
-2137            bucket_field = self._parse_field()
-2138        else:
-2139            num = self._parse_number()
+2112        return this
+2113
+2114    def _parse_unnest(self) -> t.Optional[exp.Expression]:
+2115        if not self._match(TokenType.UNNEST):
+2116            return None
+2117
+2118        expressions = self._parse_wrapped_csv(self._parse_column)
+2119        ordinality = bool(self._match(TokenType.WITH) and self._match(TokenType.ORDINALITY))
+2120        alias = self._parse_table_alias()
+2121
+2122        if alias and self.unnest_column_only:
+2123            if alias.args.get("columns"):
+2124                self.raise_error("Unexpected extra column alias in unnest.")
+2125            alias.set("columns", [alias.this])
+2126            alias.set("this", None)
+2127
+2128        offset = None
+2129        if self._match_pair(TokenType.WITH, TokenType.OFFSET):
+2130            self._match(TokenType.ALIAS)
+2131            offset = self._parse_conjunction()
+2132
+2133        return self.expression(
+2134            exp.Unnest,
+2135            expressions=expressions,
+2136            ordinality=ordinality,
+2137            alias=alias,
+2138            offset=offset,
+2139        )
 2140
-2141            if self._match(TokenType.PERCENT):
-2142                percent = num
-2143            elif self._match(TokenType.ROWS):
-2144                rows = num
-2145            else:
-2146                size = num
+2141    def _parse_derived_table_values(self) -> t.Optional[exp.Expression]:
+2142        is_derived = self._match_pair(TokenType.L_PAREN, TokenType.VALUES)
+2143        if not is_derived and not self._match(TokenType.VALUES):
+2144            return None
+2145
+2146        expressions = self._parse_csv(self._parse_value)
 2147
-2148        self._match_r_paren()
-2149
-2150        if self._match(TokenType.SEED):
-2151            seed = self._parse_wrapped(self._parse_number)
+2148        if is_derived:
+2149            self._match_r_paren()
+2150
+2151        return self.expression(exp.Values, expressions=expressions, alias=self._parse_table_alias())
 2152
-2153        return self.expression(
-2154            exp.TableSample,
-2155            method=method,
-2156            bucket_numerator=bucket_numerator,
-2157            bucket_denominator=bucket_denominator,
-2158            bucket_field=bucket_field,
-2159            percent=percent,
-2160            rows=rows,
-2161            size=size,
-2162            seed=seed,
-2163        )
-2164
-2165    def _parse_pivots(self) -> t.List[t.Optional[exp.Expression]]:
-2166        return list(iter(self._parse_pivot, None))
+2153    def _parse_table_sample(self) -> t.Optional[exp.Expression]:
+2154        if not self._match(TokenType.TABLE_SAMPLE):
+2155            return None
+2156
+2157        method = self._parse_var()
+2158        bucket_numerator = None
+2159        bucket_denominator = None
+2160        bucket_field = None
+2161        percent = None
+2162        rows = None
+2163        size = None
+2164        seed = None
+2165
+2166        self._match_l_paren()
 2167
-2168    def _parse_pivot(self) -> t.Optional[exp.Expression]:
-2169        index = self._index
-2170
-2171        if self._match(TokenType.PIVOT):
-2172            unpivot = False
-2173        elif self._match(TokenType.UNPIVOT):
-2174            unpivot = True
-2175        else:
-2176            return None
-2177
-2178        expressions = []
-2179        field = None
-2180
-2181        if not self._match(TokenType.L_PAREN):
-2182            self._retreat(index)
-2183            return None
-2184
-2185        if unpivot:
-2186            expressions = self._parse_csv(self._parse_column)
-2187        else:
-2188            expressions = self._parse_csv(lambda: self._parse_alias(self._parse_function()))
-2189
-2190        if not self._match(TokenType.FOR):
-2191            self.raise_error("Expecting FOR")
-2192
-2193        value = self._parse_column()
-2194
-2195        if not self._match(TokenType.IN):
-2196            self.raise_error("Expecting IN")
-2197
-2198        field = self._parse_in(value)
-2199
-2200        self._match_r_paren()
-2201
-2202        pivot = self.expression(exp.Pivot, expressions=expressions, field=field, unpivot=unpivot)
+2168        if self._match(TokenType.BUCKET):
+2169            bucket_numerator = self._parse_number()
+2170            self._match(TokenType.OUT_OF)
+2171            bucket_denominator = bucket_denominator = self._parse_number()
+2172            self._match(TokenType.ON)
+2173            bucket_field = self._parse_field()
+2174        else:
+2175            num = self._parse_number()
+2176
+2177            if self._match(TokenType.PERCENT):
+2178                percent = num
+2179            elif self._match(TokenType.ROWS):
+2180                rows = num
+2181            else:
+2182                size = num
+2183
+2184        self._match_r_paren()
+2185
+2186        if self._match(TokenType.SEED):
+2187            seed = self._parse_wrapped(self._parse_number)
+2188
+2189        return self.expression(
+2190            exp.TableSample,
+2191            method=method,
+2192            bucket_numerator=bucket_numerator,
+2193            bucket_denominator=bucket_denominator,
+2194            bucket_field=bucket_field,
+2195            percent=percent,
+2196            rows=rows,
+2197            size=size,
+2198            seed=seed,
+2199        )
+2200
+2201    def _parse_pivots(self) -> t.List[t.Optional[exp.Expression]]:
+2202        return list(iter(self._parse_pivot, None))
 2203
-2204        if not self._match_set((TokenType.PIVOT, TokenType.UNPIVOT), advance=False):
-2205            pivot.set("alias", self._parse_table_alias())
+2204    def _parse_pivot(self) -> t.Optional[exp.Expression]:
+2205        index = self._index
 2206
-2207        return pivot
-2208
-2209    def _parse_where(self, skip_where_token: bool = False) -> t.Optional[exp.Expression]:
-2210        if not skip_where_token and not self._match(TokenType.WHERE):
-2211            return None
-2212
-2213        return self.expression(
-2214            exp.Where, comments=self._prev_comments, this=self._parse_conjunction()
-2215        )
+2207        if self._match(TokenType.PIVOT):
+2208            unpivot = False
+2209        elif self._match(TokenType.UNPIVOT):
+2210            unpivot = True
+2211        else:
+2212            return None
+2213
+2214        expressions = []
+2215        field = None
 2216
-2217    def _parse_group(self, skip_group_by_token: bool = False) -> t.Optional[exp.Expression]:
-2218        if not skip_group_by_token and not self._match(TokenType.GROUP_BY):
+2217        if not self._match(TokenType.L_PAREN):
+2218            self._retreat(index)
 2219            return None
 2220
-2221        elements = defaultdict(list)
-2222
-2223        while True:
-2224            expressions = self._parse_csv(self._parse_conjunction)
-2225            if expressions:
-2226                elements["expressions"].extend(expressions)
-2227
-2228            grouping_sets = self._parse_grouping_sets()
-2229            if grouping_sets:
-2230                elements["grouping_sets"].extend(grouping_sets)
-2231
-2232            rollup = None
-2233            cube = None
-2234
-2235            with_ = self._match(TokenType.WITH)
-2236            if self._match(TokenType.ROLLUP):
-2237                rollup = with_ or self._parse_wrapped_csv(self._parse_column)
-2238                elements["rollup"].extend(ensure_list(rollup))
+2221        if unpivot:
+2222            expressions = self._parse_csv(self._parse_column)
+2223        else:
+2224            expressions = self._parse_csv(lambda: self._parse_alias(self._parse_function()))
+2225
+2226        if not self._match(TokenType.FOR):
+2227            self.raise_error("Expecting FOR")
+2228
+2229        value = self._parse_column()
+2230
+2231        if not self._match(TokenType.IN):
+2232            self.raise_error("Expecting IN")
+2233
+2234        field = self._parse_in(value)
+2235
+2236        self._match_r_paren()
+2237
+2238        pivot = self.expression(exp.Pivot, expressions=expressions, field=field, unpivot=unpivot)
 2239
-2240            if self._match(TokenType.CUBE):
-2241                cube = with_ or self._parse_wrapped_csv(self._parse_column)
-2242                elements["cube"].extend(ensure_list(cube))
-2243
-2244            if not (expressions or grouping_sets or rollup or cube):
-2245                break
-2246
-2247        return self.expression(exp.Group, **elements)  # type: ignore
+2240        if not self._match_set((TokenType.PIVOT, TokenType.UNPIVOT), advance=False):
+2241            pivot.set("alias", self._parse_table_alias())
+2242
+2243        return pivot
+2244
+2245    def _parse_where(self, skip_where_token: bool = False) -> t.Optional[exp.Expression]:
+2246        if not skip_where_token and not self._match(TokenType.WHERE):
+2247            return None
 2248
-2249    def _parse_grouping_sets(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
-2250        if not self._match(TokenType.GROUPING_SETS):
-2251            return None
+2249        return self.expression(
+2250            exp.Where, comments=self._prev_comments, this=self._parse_conjunction()
+2251        )
 2252
-2253        return self._parse_wrapped_csv(self._parse_grouping_set)
-2254
-2255    def _parse_grouping_set(self) -> t.Optional[exp.Expression]:
-2256        if self._match(TokenType.L_PAREN):
-2257            grouping_set = self._parse_csv(self._parse_column)
-2258            self._match_r_paren()
-2259            return self.expression(exp.Tuple, expressions=grouping_set)
-2260
-2261        return self._parse_column()
-2262
-2263    def _parse_having(self, skip_having_token: bool = False) -> t.Optional[exp.Expression]:
-2264        if not skip_having_token and not self._match(TokenType.HAVING):
-2265            return None
-2266        return self.expression(exp.Having, this=self._parse_conjunction())
+2253    def _parse_group(self, skip_group_by_token: bool = False) -> t.Optional[exp.Expression]:
+2254        if not skip_group_by_token and not self._match(TokenType.GROUP_BY):
+2255            return None
+2256
+2257        elements = defaultdict(list)
+2258
+2259        while True:
+2260            expressions = self._parse_csv(self._parse_conjunction)
+2261            if expressions:
+2262                elements["expressions"].extend(expressions)
+2263
+2264            grouping_sets = self._parse_grouping_sets()
+2265            if grouping_sets:
+2266                elements["grouping_sets"].extend(grouping_sets)
 2267
-2268    def _parse_qualify(self) -> t.Optional[exp.Expression]:
-2269        if not self._match(TokenType.QUALIFY):
-2270            return None
-2271        return self.expression(exp.Qualify, this=self._parse_conjunction())
-2272
-2273    def _parse_order(
-2274        self, this: t.Optional[exp.Expression] = None, skip_order_token: bool = False
-2275    ) -> t.Optional[exp.Expression]:
-2276        if not skip_order_token and not self._match(TokenType.ORDER_BY):
-2277            return this
-2278
-2279        return self.expression(
-2280            exp.Order, this=this, expressions=self._parse_csv(self._parse_ordered)
-2281        )
+2268            rollup = None
+2269            cube = None
+2270
+2271            with_ = self._match(TokenType.WITH)
+2272            if self._match(TokenType.ROLLUP):
+2273                rollup = with_ or self._parse_wrapped_csv(self._parse_column)
+2274                elements["rollup"].extend(ensure_list(rollup))
+2275
+2276            if self._match(TokenType.CUBE):
+2277                cube = with_ or self._parse_wrapped_csv(self._parse_column)
+2278                elements["cube"].extend(ensure_list(cube))
+2279
+2280            if not (expressions or grouping_sets or rollup or cube):
+2281                break
 2282
-2283    def _parse_sort(
-2284        self, token_type: TokenType, exp_class: t.Type[exp.Expression]
-2285    ) -> t.Optional[exp.Expression]:
-2286        if not self._match(token_type):
+2283        return self.expression(exp.Group, **elements)  # type: ignore
+2284
+2285    def _parse_grouping_sets(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
+2286        if not self._match(TokenType.GROUPING_SETS):
 2287            return None
-2288        return self.expression(exp_class, expressions=self._parse_csv(self._parse_ordered))
-2289
-2290    def _parse_ordered(self) -> exp.Expression:
-2291        this = self._parse_conjunction()
-2292        self._match(TokenType.ASC)
-2293        is_desc = self._match(TokenType.DESC)
-2294        is_nulls_first = self._match(TokenType.NULLS_FIRST)
-2295        is_nulls_last = self._match(TokenType.NULLS_LAST)
-2296        desc = is_desc or False
-2297        asc = not desc
-2298        nulls_first = is_nulls_first or False
-2299        explicitly_null_ordered = is_nulls_first or is_nulls_last
-2300        if (
-2301            not explicitly_null_ordered
-2302            and (
-2303                (asc and self.null_ordering == "nulls_are_small")
-2304                or (desc and self.null_ordering != "nulls_are_small")
-2305            )
-2306            and self.null_ordering != "nulls_are_last"
-2307        ):
-2308            nulls_first = True
-2309
-2310        return self.expression(exp.Ordered, this=this, desc=desc, nulls_first=nulls_first)
-2311
-2312    def _parse_limit(
-2313        self, this: t.Optional[exp.Expression] = None, top: bool = False
-2314    ) -> t.Optional[exp.Expression]:
-2315        if self._match(TokenType.TOP if top else TokenType.LIMIT):
-2316            limit_paren = self._match(TokenType.L_PAREN)
-2317            limit_exp = self.expression(
-2318                exp.Limit, this=this, expression=self._parse_number() if top else self._parse_term()
-2319            )
-2320
-2321            if limit_paren:
-2322                self._match_r_paren()
-2323
-2324            return limit_exp
+2288
+2289        return self._parse_wrapped_csv(self._parse_grouping_set)
+2290
+2291    def _parse_grouping_set(self) -> t.Optional[exp.Expression]:
+2292        if self._match(TokenType.L_PAREN):
+2293            grouping_set = self._parse_csv(self._parse_column)
+2294            self._match_r_paren()
+2295            return self.expression(exp.Tuple, expressions=grouping_set)
+2296
+2297        return self._parse_column()
+2298
+2299    def _parse_having(self, skip_having_token: bool = False) -> t.Optional[exp.Expression]:
+2300        if not skip_having_token and not self._match(TokenType.HAVING):
+2301            return None
+2302        return self.expression(exp.Having, this=self._parse_conjunction())
+2303
+2304    def _parse_qualify(self) -> t.Optional[exp.Expression]:
+2305        if not self._match(TokenType.QUALIFY):
+2306            return None
+2307        return self.expression(exp.Qualify, this=self._parse_conjunction())
+2308
+2309    def _parse_order(
+2310        self, this: t.Optional[exp.Expression] = None, skip_order_token: bool = False
+2311    ) -> t.Optional[exp.Expression]:
+2312        if not skip_order_token and not self._match(TokenType.ORDER_BY):
+2313            return this
+2314
+2315        return self.expression(
+2316            exp.Order, this=this, expressions=self._parse_csv(self._parse_ordered)
+2317        )
+2318
+2319    def _parse_sort(
+2320        self, token_type: TokenType, exp_class: t.Type[exp.Expression]
+2321    ) -> t.Optional[exp.Expression]:
+2322        if not self._match(token_type):
+2323            return None
+2324        return self.expression(exp_class, expressions=self._parse_csv(self._parse_ordered))
 2325
-2326        if self._match(TokenType.FETCH):
-2327            direction = self._match_set((TokenType.FIRST, TokenType.NEXT))
-2328            direction = self._prev.text if direction else "FIRST"
-2329            count = self._parse_number()
-2330            self._match_set((TokenType.ROW, TokenType.ROWS))
-2331            self._match(TokenType.ONLY)
-2332            return self.expression(exp.Fetch, direction=direction, count=count)
-2333
-2334        return this
-2335
-2336    def _parse_offset(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]:
-2337        if not self._match_set((TokenType.OFFSET, TokenType.COMMA)):
-2338            return this
-2339
-2340        count = self._parse_number()
-2341        self._match_set((TokenType.ROW, TokenType.ROWS))
-2342        return self.expression(exp.Offset, this=this, expression=count)
-2343
-2344    def _parse_lock(self) -> t.Optional[exp.Expression]:
-2345        if self._match_text_seq("FOR", "UPDATE"):
-2346            return self.expression(exp.Lock, update=True)
-2347        if self._match_text_seq("FOR", "SHARE"):
-2348            return self.expression(exp.Lock, update=False)
-2349
-2350        return None
-2351
-2352    def _parse_set_operations(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-2353        if not self._match_set(self.SET_OPERATIONS):
-2354            return this
-2355
-2356        token_type = self._prev.token_type
-2357
-2358        if token_type == TokenType.UNION:
-2359            expression = exp.Union
-2360        elif token_type == TokenType.EXCEPT:
-2361            expression = exp.Except
-2362        else:
-2363            expression = exp.Intersect
-2364
-2365        return self.expression(
-2366            expression,
-2367            this=this,
-2368            distinct=self._match(TokenType.DISTINCT) or not self._match(TokenType.ALL),
-2369            expression=self._parse_set_operations(self._parse_select(nested=True)),
-2370        )
+2326    def _parse_ordered(self) -> exp.Expression:
+2327        this = self._parse_conjunction()
+2328        self._match(TokenType.ASC)
+2329        is_desc = self._match(TokenType.DESC)
+2330        is_nulls_first = self._match(TokenType.NULLS_FIRST)
+2331        is_nulls_last = self._match(TokenType.NULLS_LAST)
+2332        desc = is_desc or False
+2333        asc = not desc
+2334        nulls_first = is_nulls_first or False
+2335        explicitly_null_ordered = is_nulls_first or is_nulls_last
+2336        if (
+2337            not explicitly_null_ordered
+2338            and (
+2339                (asc and self.null_ordering == "nulls_are_small")
+2340                or (desc and self.null_ordering != "nulls_are_small")
+2341            )
+2342            and self.null_ordering != "nulls_are_last"
+2343        ):
+2344            nulls_first = True
+2345
+2346        return self.expression(exp.Ordered, this=this, desc=desc, nulls_first=nulls_first)
+2347
+2348    def _parse_limit(
+2349        self, this: t.Optional[exp.Expression] = None, top: bool = False
+2350    ) -> t.Optional[exp.Expression]:
+2351        if self._match(TokenType.TOP if top else TokenType.LIMIT):
+2352            limit_paren = self._match(TokenType.L_PAREN)
+2353            limit_exp = self.expression(
+2354                exp.Limit, this=this, expression=self._parse_number() if top else self._parse_term()
+2355            )
+2356
+2357            if limit_paren:
+2358                self._match_r_paren()
+2359
+2360            return limit_exp
+2361
+2362        if self._match(TokenType.FETCH):
+2363            direction = self._match_set((TokenType.FIRST, TokenType.NEXT))
+2364            direction = self._prev.text if direction else "FIRST"
+2365            count = self._parse_number()
+2366            self._match_set((TokenType.ROW, TokenType.ROWS))
+2367            self._match(TokenType.ONLY)
+2368            return self.expression(exp.Fetch, direction=direction, count=count)
+2369
+2370        return this
 2371
-2372    def _parse_expression(self) -> t.Optional[exp.Expression]:
-2373        return self._parse_alias(self._parse_conjunction())
-2374
-2375    def _parse_conjunction(self) -> t.Optional[exp.Expression]:
-2376        return self._parse_tokens(self._parse_equality, self.CONJUNCTION)
-2377
-2378    def _parse_equality(self) -> t.Optional[exp.Expression]:
-2379        return self._parse_tokens(self._parse_comparison, self.EQUALITY)
-2380
-2381    def _parse_comparison(self) -> t.Optional[exp.Expression]:
-2382        return self._parse_tokens(self._parse_range, self.COMPARISON)
-2383
-2384    def _parse_range(self) -> t.Optional[exp.Expression]:
-2385        this = self._parse_bitwise()
-2386        negate = self._match(TokenType.NOT)
+2372    def _parse_offset(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]:
+2373        if not self._match_set((TokenType.OFFSET, TokenType.COMMA)):
+2374            return this
+2375
+2376        count = self._parse_number()
+2377        self._match_set((TokenType.ROW, TokenType.ROWS))
+2378        return self.expression(exp.Offset, this=this, expression=count)
+2379
+2380    def _parse_lock(self) -> t.Optional[exp.Expression]:
+2381        if self._match_text_seq("FOR", "UPDATE"):
+2382            return self.expression(exp.Lock, update=True)
+2383        if self._match_text_seq("FOR", "SHARE"):
+2384            return self.expression(exp.Lock, update=False)
+2385
+2386        return None
 2387
-2388        if self._match_set(self.RANGE_PARSERS):
-2389            this = self.RANGE_PARSERS[self._prev.token_type](self, this)
-2390        elif self._match(TokenType.ISNULL):
-2391            this = self.expression(exp.Is, this=this, expression=exp.Null())
-2392
-2393        # Postgres supports ISNULL and NOTNULL for conditions.
-2394        # https://blog.andreiavram.ro/postgresql-null-composite-type/
-2395        if self._match(TokenType.NOTNULL):
-2396            this = self.expression(exp.Is, this=this, expression=exp.Null())
-2397            this = self.expression(exp.Not, this=this)
-2398
-2399        if negate:
-2400            this = self.expression(exp.Not, this=this)
-2401
-2402        if self._match(TokenType.IS):
-2403            this = self._parse_is(this)
-2404
-2405        return this
-2406
-2407    def _parse_is(self, this: t.Optional[exp.Expression]) -> exp.Expression:
-2408        negate = self._match(TokenType.NOT)
-2409        if self._match(TokenType.DISTINCT_FROM):
-2410            klass = exp.NullSafeEQ if negate else exp.NullSafeNEQ
-2411            return self.expression(klass, this=this, expression=self._parse_expression())
-2412
-2413        this = self.expression(
-2414            exp.Is,
-2415            this=this,
-2416            expression=self._parse_null() or self._parse_boolean(),
-2417        )
-2418        return self.expression(exp.Not, this=this) if negate else this
+2388    def _parse_set_operations(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+2389        if not self._match_set(self.SET_OPERATIONS):
+2390            return this
+2391
+2392        token_type = self._prev.token_type
+2393
+2394        if token_type == TokenType.UNION:
+2395            expression = exp.Union
+2396        elif token_type == TokenType.EXCEPT:
+2397            expression = exp.Except
+2398        else:
+2399            expression = exp.Intersect
+2400
+2401        return self.expression(
+2402            expression,
+2403            this=this,
+2404            distinct=self._match(TokenType.DISTINCT) or not self._match(TokenType.ALL),
+2405            expression=self._parse_set_operations(self._parse_select(nested=True)),
+2406        )
+2407
+2408    def _parse_expression(self) -> t.Optional[exp.Expression]:
+2409        return self._parse_alias(self._parse_conjunction())
+2410
+2411    def _parse_conjunction(self) -> t.Optional[exp.Expression]:
+2412        return self._parse_tokens(self._parse_equality, self.CONJUNCTION)
+2413
+2414    def _parse_equality(self) -> t.Optional[exp.Expression]:
+2415        return self._parse_tokens(self._parse_comparison, self.EQUALITY)
+2416
+2417    def _parse_comparison(self) -> t.Optional[exp.Expression]:
+2418        return self._parse_tokens(self._parse_range, self.COMPARISON)
 2419
-2420    def _parse_in(self, this: t.Optional[exp.Expression]) -> exp.Expression:
-2421        unnest = self._parse_unnest()
-2422        if unnest:
-2423            this = self.expression(exp.In, this=this, unnest=unnest)
-2424        elif self._match(TokenType.L_PAREN):
-2425            expressions = self._parse_csv(self._parse_select_or_expression)
-2426
-2427            if len(expressions) == 1 and isinstance(expressions[0], exp.Subqueryable):
-2428                this = self.expression(exp.In, this=this, query=expressions[0])
-2429            else:
-2430                this = self.expression(exp.In, this=this, expressions=expressions)
-2431
-2432            self._match_r_paren()
-2433        else:
-2434            this = self.expression(exp.In, this=this, field=self._parse_field())
-2435
-2436        return this
+2420    def _parse_range(self) -> t.Optional[exp.Expression]:
+2421        this = self._parse_bitwise()
+2422        negate = self._match(TokenType.NOT)
+2423
+2424        if self._match_set(self.RANGE_PARSERS):
+2425            this = self.RANGE_PARSERS[self._prev.token_type](self, this)
+2426        elif self._match(TokenType.ISNULL):
+2427            this = self.expression(exp.Is, this=this, expression=exp.Null())
+2428
+2429        # Postgres supports ISNULL and NOTNULL for conditions.
+2430        # https://blog.andreiavram.ro/postgresql-null-composite-type/
+2431        if self._match(TokenType.NOTNULL):
+2432            this = self.expression(exp.Is, this=this, expression=exp.Null())
+2433            this = self.expression(exp.Not, this=this)
+2434
+2435        if negate:
+2436            this = self.expression(exp.Not, this=this)
 2437
-2438    def _parse_between(self, this: exp.Expression) -> exp.Expression:
-2439        low = self._parse_bitwise()
-2440        self._match(TokenType.AND)
-2441        high = self._parse_bitwise()
-2442        return self.expression(exp.Between, this=this, low=low, high=high)
-2443
-2444    def _parse_escape(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-2445        if not self._match(TokenType.ESCAPE):
-2446            return this
-2447        return self.expression(exp.Escape, this=this, expression=self._parse_string())
+2438        if self._match(TokenType.IS):
+2439            this = self._parse_is(this)
+2440
+2441        return this
+2442
+2443    def _parse_is(self, this: t.Optional[exp.Expression]) -> exp.Expression:
+2444        negate = self._match(TokenType.NOT)
+2445        if self._match(TokenType.DISTINCT_FROM):
+2446            klass = exp.NullSafeEQ if negate else exp.NullSafeNEQ
+2447            return self.expression(klass, this=this, expression=self._parse_expression())
 2448
-2449    def _parse_bitwise(self) -> t.Optional[exp.Expression]:
-2450        this = self._parse_term()
-2451
-2452        while True:
-2453            if self._match_set(self.BITWISE):
-2454                this = self.expression(
-2455                    self.BITWISE[self._prev.token_type],
-2456                    this=this,
-2457                    expression=self._parse_term(),
-2458                )
-2459            elif self._match_pair(TokenType.LT, TokenType.LT):
-2460                this = self.expression(
-2461                    exp.BitwiseLeftShift, this=this, expression=self._parse_term()
-2462                )
-2463            elif self._match_pair(TokenType.GT, TokenType.GT):
-2464                this = self.expression(
-2465                    exp.BitwiseRightShift, this=this, expression=self._parse_term()
-2466                )
-2467            else:
-2468                break
-2469
-2470        return this
+2449        this = self.expression(
+2450            exp.Is,
+2451            this=this,
+2452            expression=self._parse_null() or self._parse_boolean(),
+2453        )
+2454        return self.expression(exp.Not, this=this) if negate else this
+2455
+2456    def _parse_in(self, this: t.Optional[exp.Expression]) -> exp.Expression:
+2457        unnest = self._parse_unnest()
+2458        if unnest:
+2459            this = self.expression(exp.In, this=this, unnest=unnest)
+2460        elif self._match(TokenType.L_PAREN):
+2461            expressions = self._parse_csv(self._parse_select_or_expression)
+2462
+2463            if len(expressions) == 1 and isinstance(expressions[0], exp.Subqueryable):
+2464                this = self.expression(exp.In, this=this, query=expressions[0])
+2465            else:
+2466                this = self.expression(exp.In, this=this, expressions=expressions)
+2467
+2468            self._match_r_paren()
+2469        else:
+2470            this = self.expression(exp.In, this=this, field=self._parse_field())
 2471
-2472    def _parse_term(self) -> t.Optional[exp.Expression]:
-2473        return self._parse_tokens(self._parse_factor, self.TERM)
-2474
-2475    def _parse_factor(self) -> t.Optional[exp.Expression]:
-2476        return self._parse_tokens(self._parse_unary, self.FACTOR)
-2477
-2478    def _parse_unary(self) -> t.Optional[exp.Expression]:
-2479        if self._match_set(self.UNARY_PARSERS):
-2480            return self.UNARY_PARSERS[self._prev.token_type](self)
-2481        return self._parse_at_time_zone(self._parse_type())
-2482
-2483    def _parse_type(self) -> t.Optional[exp.Expression]:
-2484        if self._match(TokenType.INTERVAL):
-2485            return self.expression(exp.Interval, this=self._parse_term(), unit=self._parse_var())
-2486
-2487        index = self._index
-2488        type_token = self._parse_types(check_func=True)
-2489        this = self._parse_column()
-2490
-2491        if type_token:
-2492            if this and not isinstance(this, exp.Star):
-2493                return self.expression(exp.Cast, this=this, to=type_token)
-2494            if not type_token.args.get("expressions"):
-2495                self._retreat(index)
-2496                return self._parse_column()
-2497            return type_token
-2498
-2499        return this
-2500
-2501    def _parse_types(self, check_func: bool = False) -> t.Optional[exp.Expression]:
-2502        index = self._index
-2503
-2504        prefix = self._match_text_seq("SYSUDTLIB", ".")
+2472        return this
+2473
+2474    def _parse_between(self, this: exp.Expression) -> exp.Expression:
+2475        low = self._parse_bitwise()
+2476        self._match(TokenType.AND)
+2477        high = self._parse_bitwise()
+2478        return self.expression(exp.Between, this=this, low=low, high=high)
+2479
+2480    def _parse_escape(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+2481        if not self._match(TokenType.ESCAPE):
+2482            return this
+2483        return self.expression(exp.Escape, this=this, expression=self._parse_string())
+2484
+2485    def _parse_bitwise(self) -> t.Optional[exp.Expression]:
+2486        this = self._parse_term()
+2487
+2488        while True:
+2489            if self._match_set(self.BITWISE):
+2490                this = self.expression(
+2491                    self.BITWISE[self._prev.token_type],
+2492                    this=this,
+2493                    expression=self._parse_term(),
+2494                )
+2495            elif self._match_pair(TokenType.LT, TokenType.LT):
+2496                this = self.expression(
+2497                    exp.BitwiseLeftShift, this=this, expression=self._parse_term()
+2498                )
+2499            elif self._match_pair(TokenType.GT, TokenType.GT):
+2500                this = self.expression(
+2501                    exp.BitwiseRightShift, this=this, expression=self._parse_term()
+2502                )
+2503            else:
+2504                break
 2505
-2506        if not self._match_set(self.TYPE_TOKENS):
-2507            return None
-2508
-2509        type_token = self._prev.token_type
+2506        return this
+2507
+2508    def _parse_term(self) -> t.Optional[exp.Expression]:
+2509        return self._parse_tokens(self._parse_factor, self.TERM)
 2510
-2511        if type_token == TokenType.PSEUDO_TYPE:
-2512            return self.expression(exp.PseudoType, this=self._prev.text)
+2511    def _parse_factor(self) -> t.Optional[exp.Expression]:
+2512        return self._parse_tokens(self._parse_unary, self.FACTOR)
 2513
-2514        nested = type_token in self.NESTED_TYPE_TOKENS
-2515        is_struct = type_token == TokenType.STRUCT
-2516        expressions = None
-2517        maybe_func = False
+2514    def _parse_unary(self) -> t.Optional[exp.Expression]:
+2515        if self._match_set(self.UNARY_PARSERS):
+2516            return self.UNARY_PARSERS[self._prev.token_type](self)
+2517        return self._parse_at_time_zone(self._parse_type())
 2518
-2519        if self._match(TokenType.L_PAREN):
-2520            if is_struct:
-2521                expressions = self._parse_csv(self._parse_struct_kwargs)
-2522            elif nested:
-2523                expressions = self._parse_csv(self._parse_types)
-2524            else:
-2525                expressions = self._parse_csv(self._parse_conjunction)
+2519    def _parse_type(self) -> t.Optional[exp.Expression]:
+2520        if self._match(TokenType.INTERVAL):
+2521            return self.expression(exp.Interval, this=self._parse_term(), unit=self._parse_var())
+2522
+2523        index = self._index
+2524        type_token = self._parse_types(check_func=True)
+2525        this = self._parse_column()
 2526
-2527            if not expressions:
-2528                self._retreat(index)
-2529                return None
-2530
-2531            self._match_r_paren()
-2532            maybe_func = True
-2533
-2534        if not nested and self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET):
-2535            this = exp.DataType(
-2536                this=exp.DataType.Type.ARRAY,
-2537                expressions=[exp.DataType.build(type_token.value, expressions=expressions)],
-2538                nested=True,
-2539            )
-2540
-2541            while self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET):
-2542                this = exp.DataType(
-2543                    this=exp.DataType.Type.ARRAY,
-2544                    expressions=[this],
-2545                    nested=True,
-2546                )
-2547
-2548            return this
+2527        if type_token:
+2528            if this and not isinstance(this, exp.Star):
+2529                return self.expression(exp.Cast, this=this, to=type_token)
+2530            if not type_token.args.get("expressions"):
+2531                self._retreat(index)
+2532                return self._parse_column()
+2533            return type_token
+2534
+2535        return this
+2536
+2537    def _parse_types(self, check_func: bool = False) -> t.Optional[exp.Expression]:
+2538        index = self._index
+2539
+2540        prefix = self._match_text_seq("SYSUDTLIB", ".")
+2541
+2542        if not self._match_set(self.TYPE_TOKENS):
+2543            return None
+2544
+2545        type_token = self._prev.token_type
+2546
+2547        if type_token == TokenType.PSEUDO_TYPE:
+2548            return self.expression(exp.PseudoType, this=self._prev.text)
 2549
-2550        if self._match(TokenType.L_BRACKET):
-2551            self._retreat(index)
-2552            return None
-2553
-2554        values: t.Optional[t.List[t.Optional[exp.Expression]]] = None
-2555        if nested and self._match(TokenType.LT):
+2550        nested = type_token in self.NESTED_TYPE_TOKENS
+2551        is_struct = type_token == TokenType.STRUCT
+2552        expressions = None
+2553        maybe_func = False
+2554
+2555        if self._match(TokenType.L_PAREN):
 2556            if is_struct:
 2557                expressions = self._parse_csv(self._parse_struct_kwargs)
-2558            else:
+2558            elif nested:
 2559                expressions = self._parse_csv(self._parse_types)
-2560
-2561            if not self._match(TokenType.GT):
-2562                self.raise_error("Expecting >")
-2563
-2564            if self._match_set((TokenType.L_BRACKET, TokenType.L_PAREN)):
-2565                values = self._parse_csv(self._parse_conjunction)
-2566                self._match_set((TokenType.R_BRACKET, TokenType.R_PAREN))
-2567
-2568        value: t.Optional[exp.Expression] = None
-2569        if type_token in self.TIMESTAMPS:
-2570            if self._match(TokenType.WITH_TIME_ZONE) or type_token == TokenType.TIMESTAMPTZ:
-2571                value = exp.DataType(this=exp.DataType.Type.TIMESTAMPTZ, expressions=expressions)
-2572            elif (
-2573                self._match(TokenType.WITH_LOCAL_TIME_ZONE) or type_token == TokenType.TIMESTAMPLTZ
-2574            ):
-2575                value = exp.DataType(this=exp.DataType.Type.TIMESTAMPLTZ, expressions=expressions)
-2576            elif self._match(TokenType.WITHOUT_TIME_ZONE):
-2577                if type_token == TokenType.TIME:
-2578                    value = exp.DataType(this=exp.DataType.Type.TIME, expressions=expressions)
-2579                else:
-2580                    value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions)
-2581
-2582            maybe_func = maybe_func and value is None
+2560            else:
+2561                expressions = self._parse_csv(self._parse_conjunction)
+2562
+2563            if not expressions:
+2564                self._retreat(index)
+2565                return None
+2566
+2567            self._match_r_paren()
+2568            maybe_func = True
+2569
+2570        if not nested and self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET):
+2571            this = exp.DataType(
+2572                this=exp.DataType.Type.ARRAY,
+2573                expressions=[exp.DataType.build(type_token.value, expressions=expressions)],
+2574                nested=True,
+2575            )
+2576
+2577            while self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET):
+2578                this = exp.DataType(
+2579                    this=exp.DataType.Type.ARRAY,
+2580                    expressions=[this],
+2581                    nested=True,
+2582                )
 2583
-2584            if value is None:
-2585                value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions)
-2586        elif type_token == TokenType.INTERVAL:
-2587            value = self.expression(exp.Interval, unit=self._parse_var())
-2588
-2589        if maybe_func and check_func:
-2590            index2 = self._index
-2591            peek = self._parse_string()
-2592
-2593            if not peek:
-2594                self._retreat(index)
-2595                return None
+2584            return this
+2585
+2586        if self._match(TokenType.L_BRACKET):
+2587            self._retreat(index)
+2588            return None
+2589
+2590        values: t.Optional[t.List[t.Optional[exp.Expression]]] = None
+2591        if nested and self._match(TokenType.LT):
+2592            if is_struct:
+2593                expressions = self._parse_csv(self._parse_struct_kwargs)
+2594            else:
+2595                expressions = self._parse_csv(self._parse_types)
 2596
-2597            self._retreat(index2)
-2598
-2599        if value:
-2600            return value
-2601
-2602        return exp.DataType(
-2603            this=exp.DataType.Type[type_token.value.upper()],
-2604            expressions=expressions,
-2605            nested=nested,
-2606            values=values,
-2607            prefix=prefix,
-2608        )
-2609
-2610    def _parse_struct_kwargs(self) -> t.Optional[exp.Expression]:
-2611        if self._curr and self._curr.token_type in self.TYPE_TOKENS:
-2612            return self._parse_types()
-2613
-2614        this = self._parse_id_var()
-2615        self._match(TokenType.COLON)
-2616        data_type = self._parse_types()
+2597            if not self._match(TokenType.GT):
+2598                self.raise_error("Expecting >")
+2599
+2600            if self._match_set((TokenType.L_BRACKET, TokenType.L_PAREN)):
+2601                values = self._parse_csv(self._parse_conjunction)
+2602                self._match_set((TokenType.R_BRACKET, TokenType.R_PAREN))
+2603
+2604        value: t.Optional[exp.Expression] = None
+2605        if type_token in self.TIMESTAMPS:
+2606            if self._match(TokenType.WITH_TIME_ZONE) or type_token == TokenType.TIMESTAMPTZ:
+2607                value = exp.DataType(this=exp.DataType.Type.TIMESTAMPTZ, expressions=expressions)
+2608            elif (
+2609                self._match(TokenType.WITH_LOCAL_TIME_ZONE) or type_token == TokenType.TIMESTAMPLTZ
+2610            ):
+2611                value = exp.DataType(this=exp.DataType.Type.TIMESTAMPLTZ, expressions=expressions)
+2612            elif self._match(TokenType.WITHOUT_TIME_ZONE):
+2613                if type_token == TokenType.TIME:
+2614                    value = exp.DataType(this=exp.DataType.Type.TIME, expressions=expressions)
+2615                else:
+2616                    value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions)
 2617
-2618        if not data_type:
-2619            return None
-2620        return self.expression(exp.StructKwarg, this=this, expression=data_type)
-2621
-2622    def _parse_at_time_zone(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-2623        if not self._match(TokenType.AT_TIME_ZONE):
-2624            return this
-2625        return self.expression(exp.AtTimeZone, this=this, zone=self._parse_unary())
-2626
-2627    def _parse_column(self) -> t.Optional[exp.Expression]:
-2628        this = self._parse_field()
-2629        if isinstance(this, exp.Identifier):
-2630            this = self.expression(exp.Column, this=this)
-2631        elif not this:
-2632            return self._parse_bracket(this)
-2633        this = self._parse_bracket(this)
+2618            maybe_func = maybe_func and value is None
+2619
+2620            if value is None:
+2621                value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions)
+2622        elif type_token == TokenType.INTERVAL:
+2623            value = self.expression(exp.Interval, unit=self._parse_var())
+2624
+2625        if maybe_func and check_func:
+2626            index2 = self._index
+2627            peek = self._parse_string()
+2628
+2629            if not peek:
+2630                self._retreat(index)
+2631                return None
+2632
+2633            self._retreat(index2)
 2634
-2635        while self._match_set(self.COLUMN_OPERATORS):
-2636            op_token = self._prev.token_type
-2637            op = self.COLUMN_OPERATORS.get(op_token)
-2638
-2639            if op_token == TokenType.DCOLON:
-2640                field = self._parse_types()
-2641                if not field:
-2642                    self.raise_error("Expected type")
-2643            elif op:
-2644                self._advance()
-2645                value = self._prev.text
-2646                field = (
-2647                    exp.Literal.number(value)
-2648                    if self._prev.token_type == TokenType.NUMBER
-2649                    else exp.Literal.string(value)
-2650                )
-2651            else:
-2652                field = self._parse_star() or self._parse_function() or self._parse_id_var()
+2635        if value:
+2636            return value
+2637
+2638        return exp.DataType(
+2639            this=exp.DataType.Type[type_token.value.upper()],
+2640            expressions=expressions,
+2641            nested=nested,
+2642            values=values,
+2643            prefix=prefix,
+2644        )
+2645
+2646    def _parse_struct_kwargs(self) -> t.Optional[exp.Expression]:
+2647        if self._curr and self._curr.token_type in self.TYPE_TOKENS:
+2648            return self._parse_types()
+2649
+2650        this = self._parse_id_var()
+2651        self._match(TokenType.COLON)
+2652        data_type = self._parse_types()
 2653
-2654            if isinstance(field, exp.Func):
-2655                # bigquery allows function calls like x.y.count(...)
-2656                # SAFE.SUBSTR(...)
-2657                # https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-reference#function_call_rules
-2658                this = self._replace_columns_with_dots(this)
-2659
-2660            if op:
-2661                this = op(self, this, field)
-2662            elif isinstance(this, exp.Column) and not this.args.get("catalog"):
-2663                this = self.expression(
-2664                    exp.Column,
-2665                    this=field,
-2666                    table=this.this,
-2667                    db=this.args.get("table"),
-2668                    catalog=this.args.get("db"),
-2669                )
-2670            else:
-2671                this = self.expression(exp.Dot, this=this, expression=field)
-2672            this = self._parse_bracket(this)
-2673
-2674        return this
-2675
-2676    def _parse_primary(self) -> t.Optional[exp.Expression]:
-2677        if self._match_set(self.PRIMARY_PARSERS):
-2678            token_type = self._prev.token_type
-2679            primary = self.PRIMARY_PARSERS[token_type](self, self._prev)
-2680
-2681            if token_type == TokenType.STRING:
-2682                expressions = [primary]
-2683                while self._match(TokenType.STRING):
-2684                    expressions.append(exp.Literal.string(self._prev.text))
-2685                if len(expressions) > 1:
-2686                    return self.expression(exp.Concat, expressions=expressions)
-2687            return primary
-2688
-2689        if self._match_pair(TokenType.DOT, TokenType.NUMBER):
-2690            return exp.Literal.number(f"0.{self._prev.text}")
-2691
-2692        if self._match(TokenType.L_PAREN):
-2693            comments = self._prev_comments
-2694            query = self._parse_select()
+2654        if not data_type:
+2655            return None
+2656        return self.expression(exp.StructKwarg, this=this, expression=data_type)
+2657
+2658    def _parse_at_time_zone(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+2659        if not self._match(TokenType.AT_TIME_ZONE):
+2660            return this
+2661        return self.expression(exp.AtTimeZone, this=this, zone=self._parse_unary())
+2662
+2663    def _parse_column(self) -> t.Optional[exp.Expression]:
+2664        this = self._parse_field()
+2665        if isinstance(this, exp.Identifier):
+2666            this = self.expression(exp.Column, this=this)
+2667        elif not this:
+2668            return self._parse_bracket(this)
+2669        this = self._parse_bracket(this)
+2670
+2671        while self._match_set(self.COLUMN_OPERATORS):
+2672            op_token = self._prev.token_type
+2673            op = self.COLUMN_OPERATORS.get(op_token)
+2674
+2675            if op_token == TokenType.DCOLON:
+2676                field = self._parse_types()
+2677                if not field:
+2678                    self.raise_error("Expected type")
+2679            elif op:
+2680                self._advance()
+2681                value = self._prev.text
+2682                field = (
+2683                    exp.Literal.number(value)
+2684                    if self._prev.token_type == TokenType.NUMBER
+2685                    else exp.Literal.string(value)
+2686                )
+2687            else:
+2688                field = self._parse_star() or self._parse_function() or self._parse_id_var()
+2689
+2690            if isinstance(field, exp.Func):
+2691                # bigquery allows function calls like x.y.count(...)
+2692                # SAFE.SUBSTR(...)
+2693                # https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-reference#function_call_rules
+2694                this = self._replace_columns_with_dots(this)
 2695
-2696            if query:
-2697                expressions = [query]
-2698            else:
-2699                expressions = self._parse_csv(
-2700                    lambda: self._parse_alias(self._parse_conjunction(), explicit=True)
-2701                )
-2702
-2703            this = seq_get(expressions, 0)
-2704            self._parse_query_modifiers(this)
-2705            self._match_r_paren()
-2706
-2707            if isinstance(this, exp.Subqueryable):
-2708                this = self._parse_set_operations(
-2709                    self._parse_subquery(this=this, parse_alias=False)
-2710                )
-2711            elif len(expressions) > 1:
-2712                this = self.expression(exp.Tuple, expressions=expressions)
-2713            else:
-2714                this = self.expression(exp.Paren, this=this)
-2715
-2716            if this and comments:
-2717                this.comments = comments
-2718
-2719            return this
-2720
-2721        return None
-2722
-2723    def _parse_field(self, any_token: bool = False) -> t.Optional[exp.Expression]:
-2724        return self._parse_primary() or self._parse_function() or self._parse_id_var(any_token)
-2725
-2726    def _parse_function(
-2727        self, functions: t.Optional[t.Dict[str, t.Callable]] = None
-2728    ) -> t.Optional[exp.Expression]:
-2729        if not self._curr:
-2730            return None
+2696            if op:
+2697                this = op(self, this, field)
+2698            elif isinstance(this, exp.Column) and not this.args.get("catalog"):
+2699                this = self.expression(
+2700                    exp.Column,
+2701                    this=field,
+2702                    table=this.this,
+2703                    db=this.args.get("table"),
+2704                    catalog=this.args.get("db"),
+2705                )
+2706            else:
+2707                this = self.expression(exp.Dot, this=this, expression=field)
+2708            this = self._parse_bracket(this)
+2709
+2710        return this
+2711
+2712    def _parse_primary(self) -> t.Optional[exp.Expression]:
+2713        if self._match_set(self.PRIMARY_PARSERS):
+2714            token_type = self._prev.token_type
+2715            primary = self.PRIMARY_PARSERS[token_type](self, self._prev)
+2716
+2717            if token_type == TokenType.STRING:
+2718                expressions = [primary]
+2719                while self._match(TokenType.STRING):
+2720                    expressions.append(exp.Literal.string(self._prev.text))
+2721                if len(expressions) > 1:
+2722                    return self.expression(exp.Concat, expressions=expressions)
+2723            return primary
+2724
+2725        if self._match_pair(TokenType.DOT, TokenType.NUMBER):
+2726            return exp.Literal.number(f"0.{self._prev.text}")
+2727
+2728        if self._match(TokenType.L_PAREN):
+2729            comments = self._prev_comments
+2730            query = self._parse_select()
 2731
-2732        token_type = self._curr.token_type
-2733
-2734        if self._match_set(self.NO_PAREN_FUNCTION_PARSERS):
-2735            return self.NO_PAREN_FUNCTION_PARSERS[token_type](self)
-2736
-2737        if not self._next or self._next.token_type != TokenType.L_PAREN:
-2738            if token_type in self.NO_PAREN_FUNCTIONS:
-2739                self._advance()
-2740                return self.expression(self.NO_PAREN_FUNCTIONS[token_type])
-2741
-2742            return None
-2743
-2744        if token_type not in self.FUNC_TOKENS:
-2745            return None
-2746
-2747        this = self._curr.text
-2748        upper = this.upper()
-2749        self._advance(2)
-2750
-2751        parser = self.FUNCTION_PARSERS.get(upper)
-2752
-2753        if parser:
-2754            this = parser(self)
-2755        else:
-2756            subquery_predicate = self.SUBQUERY_PREDICATES.get(token_type)
-2757
-2758            if subquery_predicate and self._curr.token_type in (TokenType.SELECT, TokenType.WITH):
-2759                this = self.expression(subquery_predicate, this=self._parse_select())
-2760                self._match_r_paren()
-2761                return this
-2762
-2763            if functions is None:
-2764                functions = self.FUNCTIONS
-2765
-2766            function = functions.get(upper)
-2767            args = self._parse_csv(self._parse_lambda)
-2768
-2769            if function:
-2770                # Clickhouse supports function calls like foo(x, y)(z), so for these we need to also parse the
-2771                # second parameter list (i.e. "(z)") and the corresponding function will receive both arg lists.
-2772                if count_params(function) == 2:
-2773                    params = None
-2774                    if self._match_pair(TokenType.R_PAREN, TokenType.L_PAREN):
-2775                        params = self._parse_csv(self._parse_lambda)
-2776
-2777                    this = function(args, params)
-2778                else:
-2779                    this = function(args)
-2780
-2781                self.validate_expression(this, args)
-2782            else:
-2783                this = self.expression(exp.Anonymous, this=this, expressions=args)
-2784
-2785        self._match_r_paren(this)
-2786        return self._parse_window(this)
-2787
-2788    def _parse_function_parameter(self) -> t.Optional[exp.Expression]:
-2789        return self._parse_column_def(self._parse_id_var())
-2790
-2791    def _parse_user_defined_function(
-2792        self, kind: t.Optional[TokenType] = None
-2793    ) -> t.Optional[exp.Expression]:
-2794        this = self._parse_id_var()
-2795
-2796        while self._match(TokenType.DOT):
-2797            this = self.expression(exp.Dot, this=this, expression=self._parse_id_var())
+2732            if query:
+2733                expressions = [query]
+2734            else:
+2735                expressions = self._parse_csv(
+2736                    lambda: self._parse_alias(self._parse_conjunction(), explicit=True)
+2737                )
+2738
+2739            this = seq_get(expressions, 0)
+2740            self._parse_query_modifiers(this)
+2741            self._match_r_paren()
+2742
+2743            if isinstance(this, exp.Subqueryable):
+2744                this = self._parse_set_operations(
+2745                    self._parse_subquery(this=this, parse_alias=False)
+2746                )
+2747            elif len(expressions) > 1:
+2748                this = self.expression(exp.Tuple, expressions=expressions)
+2749            else:
+2750                this = self.expression(exp.Paren, this=this)
+2751
+2752            if this and comments:
+2753                this.comments = comments
+2754
+2755            return this
+2756
+2757        return None
+2758
+2759    def _parse_field(self, any_token: bool = False) -> t.Optional[exp.Expression]:
+2760        return self._parse_primary() or self._parse_function() or self._parse_id_var(any_token)
+2761
+2762    def _parse_function(
+2763        self, functions: t.Optional[t.Dict[str, t.Callable]] = None
+2764    ) -> t.Optional[exp.Expression]:
+2765        if not self._curr:
+2766            return None
+2767
+2768        token_type = self._curr.token_type
+2769
+2770        if self._match_set(self.NO_PAREN_FUNCTION_PARSERS):
+2771            return self.NO_PAREN_FUNCTION_PARSERS[token_type](self)
+2772
+2773        if not self._next or self._next.token_type != TokenType.L_PAREN:
+2774            if token_type in self.NO_PAREN_FUNCTIONS:
+2775                self._advance()
+2776                return self.expression(self.NO_PAREN_FUNCTIONS[token_type])
+2777
+2778            return None
+2779
+2780        if token_type not in self.FUNC_TOKENS:
+2781            return None
+2782
+2783        this = self._curr.text
+2784        upper = this.upper()
+2785        self._advance(2)
+2786
+2787        parser = self.FUNCTION_PARSERS.get(upper)
+2788
+2789        if parser:
+2790            this = parser(self)
+2791        else:
+2792            subquery_predicate = self.SUBQUERY_PREDICATES.get(token_type)
+2793
+2794            if subquery_predicate and self._curr.token_type in (TokenType.SELECT, TokenType.WITH):
+2795                this = self.expression(subquery_predicate, this=self._parse_select())
+2796                self._match_r_paren()
+2797                return this
 2798
-2799        if not self._match(TokenType.L_PAREN):
-2800            return this
+2799            if functions is None:
+2800                functions = self.FUNCTIONS
 2801
-2802        expressions = self._parse_csv(self._parse_function_parameter)
-2803        self._match_r_paren()
-2804        return self.expression(
-2805            exp.UserDefinedFunction, this=this, expressions=expressions, wrapped=True
-2806        )
-2807
-2808    def _parse_introducer(self, token: Token) -> t.Optional[exp.Expression]:
-2809        literal = self._parse_primary()
-2810        if literal:
-2811            return self.expression(exp.Introducer, this=token.text, expression=literal)
+2802            function = functions.get(upper)
+2803            args = self._parse_csv(self._parse_lambda)
+2804
+2805            if function:
+2806                # Clickhouse supports function calls like foo(x, y)(z), so for these we need to also parse the
+2807                # second parameter list (i.e. "(z)") and the corresponding function will receive both arg lists.
+2808                if count_params(function) == 2:
+2809                    params = None
+2810                    if self._match_pair(TokenType.R_PAREN, TokenType.L_PAREN):
+2811                        params = self._parse_csv(self._parse_lambda)
 2812
-2813        return self.expression(exp.Identifier, this=token.text)
-2814
-2815    def _parse_national(self, token: Token) -> exp.Expression:
-2816        return self.expression(exp.National, this=exp.Literal.string(token.text))
-2817
-2818    def _parse_session_parameter(self) -> exp.Expression:
-2819        kind = None
-2820        this = self._parse_id_var() or self._parse_primary()
-2821
-2822        if this and self._match(TokenType.DOT):
-2823            kind = this.name
-2824            this = self._parse_var() or self._parse_primary()
-2825
-2826        return self.expression(exp.SessionParameter, this=this, kind=kind)
-2827
-2828    def _parse_lambda(self) -> t.Optional[exp.Expression]:
-2829        index = self._index
-2830
-2831        if self._match(TokenType.L_PAREN):
-2832            expressions = self._parse_csv(self._parse_id_var)
-2833
-2834            if not self._match(TokenType.R_PAREN):
-2835                self._retreat(index)
-2836        else:
-2837            expressions = [self._parse_id_var()]
-2838
-2839        if self._match_set(self.LAMBDAS):
-2840            return self.LAMBDAS[self._prev.token_type](self, expressions)
-2841
-2842        self._retreat(index)
+2813                    this = function(args, params)
+2814                else:
+2815                    this = function(args)
+2816
+2817                self.validate_expression(this, args)
+2818            else:
+2819                this = self.expression(exp.Anonymous, this=this, expressions=args)
+2820
+2821        self._match_r_paren(this)
+2822        return self._parse_window(this)
+2823
+2824    def _parse_function_parameter(self) -> t.Optional[exp.Expression]:
+2825        return self._parse_column_def(self._parse_id_var())
+2826
+2827    def _parse_user_defined_function(
+2828        self, kind: t.Optional[TokenType] = None
+2829    ) -> t.Optional[exp.Expression]:
+2830        this = self._parse_id_var()
+2831
+2832        while self._match(TokenType.DOT):
+2833            this = self.expression(exp.Dot, this=this, expression=self._parse_id_var())
+2834
+2835        if not self._match(TokenType.L_PAREN):
+2836            return this
+2837
+2838        expressions = self._parse_csv(self._parse_function_parameter)
+2839        self._match_r_paren()
+2840        return self.expression(
+2841            exp.UserDefinedFunction, this=this, expressions=expressions, wrapped=True
+2842        )
 2843
-2844        this: t.Optional[exp.Expression]
-2845
-2846        if self._match(TokenType.DISTINCT):
-2847            this = self.expression(
-2848                exp.Distinct, expressions=self._parse_csv(self._parse_conjunction)
-2849            )
-2850        else:
-2851            this = self._parse_select_or_expression()
-2852
-2853        if self._match(TokenType.IGNORE_NULLS):
-2854            this = self.expression(exp.IgnoreNulls, this=this)
-2855        else:
-2856            self._match(TokenType.RESPECT_NULLS)
+2844    def _parse_introducer(self, token: Token) -> t.Optional[exp.Expression]:
+2845        literal = self._parse_primary()
+2846        if literal:
+2847            return self.expression(exp.Introducer, this=token.text, expression=literal)
+2848
+2849        return self.expression(exp.Identifier, this=token.text)
+2850
+2851    def _parse_national(self, token: Token) -> exp.Expression:
+2852        return self.expression(exp.National, this=exp.Literal.string(token.text))
+2853
+2854    def _parse_session_parameter(self) -> exp.Expression:
+2855        kind = None
+2856        this = self._parse_id_var() or self._parse_primary()
 2857
-2858        return self._parse_limit(self._parse_order(this))
-2859
-2860    def _parse_schema(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]:
-2861        index = self._index
-2862        if not self._match(TokenType.L_PAREN) or self._match(TokenType.SELECT):
-2863            self._retreat(index)
-2864            return this
-2865
-2866        args = self._parse_csv(
-2867            lambda: self._parse_constraint()
-2868            or self._parse_column_def(self._parse_field(any_token=True))
-2869        )
-2870        self._match_r_paren()
-2871        return self.expression(exp.Schema, this=this, expressions=args)
-2872
-2873    def _parse_column_def(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-2874        kind = self._parse_types()
-2875
-2876        if self._match_text_seq("FOR", "ORDINALITY"):
-2877            return self.expression(exp.ColumnDef, this=this, ordinality=True)
-2878
-2879        constraints = []
-2880        while True:
-2881            constraint = self._parse_column_constraint()
-2882            if not constraint:
-2883                break
-2884            constraints.append(constraint)
-2885
-2886        if not kind and not constraints:
-2887            return this
+2858        if this and self._match(TokenType.DOT):
+2859            kind = this.name
+2860            this = self._parse_var() or self._parse_primary()
+2861
+2862        return self.expression(exp.SessionParameter, this=this, kind=kind)
+2863
+2864    def _parse_lambda(self) -> t.Optional[exp.Expression]:
+2865        index = self._index
+2866
+2867        if self._match(TokenType.L_PAREN):
+2868            expressions = self._parse_csv(self._parse_id_var)
+2869
+2870            if not self._match(TokenType.R_PAREN):
+2871                self._retreat(index)
+2872        else:
+2873            expressions = [self._parse_id_var()]
+2874
+2875        if self._match_set(self.LAMBDAS):
+2876            return self.LAMBDAS[self._prev.token_type](self, expressions)
+2877
+2878        self._retreat(index)
+2879
+2880        this: t.Optional[exp.Expression]
+2881
+2882        if self._match(TokenType.DISTINCT):
+2883            this = self.expression(
+2884                exp.Distinct, expressions=self._parse_csv(self._parse_conjunction)
+2885            )
+2886        else:
+2887            this = self._parse_select_or_expression()
 2888
-2889        return self.expression(exp.ColumnDef, this=this, kind=kind, constraints=constraints)
-2890
-2891    def _parse_auto_increment(self) -> exp.Expression:
-2892        start = None
-2893        increment = None
-2894
-2895        if self._match(TokenType.L_PAREN, advance=False):
-2896            args = self._parse_wrapped_csv(self._parse_bitwise)
-2897            start = seq_get(args, 0)
-2898            increment = seq_get(args, 1)
-2899        elif self._match_text_seq("START"):
-2900            start = self._parse_bitwise()
-2901            self._match_text_seq("INCREMENT")
-2902            increment = self._parse_bitwise()
-2903
-2904        if start and increment:
-2905            return exp.GeneratedAsIdentityColumnConstraint(start=start, increment=increment)
-2906
-2907        return exp.AutoIncrementColumnConstraint()
+2889        if self._match(TokenType.IGNORE_NULLS):
+2890            this = self.expression(exp.IgnoreNulls, this=this)
+2891        else:
+2892            self._match(TokenType.RESPECT_NULLS)
+2893
+2894        return self._parse_limit(self._parse_order(this))
+2895
+2896    def _parse_schema(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]:
+2897        index = self._index
+2898        if not self._match(TokenType.L_PAREN) or self._match(TokenType.SELECT):
+2899            self._retreat(index)
+2900            return this
+2901
+2902        args = self._parse_csv(
+2903            lambda: self._parse_constraint()
+2904            or self._parse_column_def(self._parse_field(any_token=True))
+2905        )
+2906        self._match_r_paren()
+2907        return self.expression(exp.Schema, this=this, expressions=args)
 2908
-2909    def _parse_compress(self) -> exp.Expression:
-2910        if self._match(TokenType.L_PAREN, advance=False):
-2911            return self.expression(
-2912                exp.CompressColumnConstraint, this=self._parse_wrapped_csv(self._parse_bitwise)
-2913            )
+2909    def _parse_column_def(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+2910        kind = self._parse_types()
+2911
+2912        if self._match_text_seq("FOR", "ORDINALITY"):
+2913            return self.expression(exp.ColumnDef, this=this, ordinality=True)
 2914
-2915        return self.expression(exp.CompressColumnConstraint, this=self._parse_bitwise())
-2916
-2917    def _parse_generated_as_identity(self) -> exp.Expression:
-2918        if self._match(TokenType.BY_DEFAULT):
-2919            this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=False)
-2920        else:
-2921            self._match_text_seq("ALWAYS")
-2922            this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=True)
-2923
-2924        self._match_text_seq("AS", "IDENTITY")
-2925        if self._match(TokenType.L_PAREN):
-2926            if self._match_text_seq("START", "WITH"):
-2927                this.set("start", self._parse_bitwise())
-2928            if self._match_text_seq("INCREMENT", "BY"):
-2929                this.set("increment", self._parse_bitwise())
-2930            if self._match_text_seq("MINVALUE"):
-2931                this.set("minvalue", self._parse_bitwise())
-2932            if self._match_text_seq("MAXVALUE"):
-2933                this.set("maxvalue", self._parse_bitwise())
-2934
-2935            if self._match_text_seq("CYCLE"):
-2936                this.set("cycle", True)
-2937            elif self._match_text_seq("NO", "CYCLE"):
-2938                this.set("cycle", False)
+2915        constraints = []
+2916        while True:
+2917            constraint = self._parse_column_constraint()
+2918            if not constraint:
+2919                break
+2920            constraints.append(constraint)
+2921
+2922        if not kind and not constraints:
+2923            return this
+2924
+2925        return self.expression(exp.ColumnDef, this=this, kind=kind, constraints=constraints)
+2926
+2927    def _parse_auto_increment(self) -> exp.Expression:
+2928        start = None
+2929        increment = None
+2930
+2931        if self._match(TokenType.L_PAREN, advance=False):
+2932            args = self._parse_wrapped_csv(self._parse_bitwise)
+2933            start = seq_get(args, 0)
+2934            increment = seq_get(args, 1)
+2935        elif self._match_text_seq("START"):
+2936            start = self._parse_bitwise()
+2937            self._match_text_seq("INCREMENT")
+2938            increment = self._parse_bitwise()
 2939
-2940            self._match_r_paren()
-2941
-2942        return this
-2943
-2944    def _parse_inline(self) -> t.Optional[exp.Expression]:
-2945        self._match_text_seq("LENGTH")
-2946        return self.expression(exp.InlineLengthColumnConstraint, this=self._parse_bitwise())
-2947
-2948    def _parse_not_constraint(self) -> t.Optional[exp.Expression]:
-2949        if self._match_text_seq("NULL"):
-2950            return self.expression(exp.NotNullColumnConstraint)
-2951        if self._match_text_seq("CASESPECIFIC"):
-2952            return self.expression(exp.CaseSpecificColumnConstraint, not_=True)
-2953        return None
-2954
-2955    def _parse_column_constraint(self) -> t.Optional[exp.Expression]:
-2956        this = self._parse_references()
-2957        if this:
-2958            return this
+2940        if start and increment:
+2941            return exp.GeneratedAsIdentityColumnConstraint(start=start, increment=increment)
+2942
+2943        return exp.AutoIncrementColumnConstraint()
+2944
+2945    def _parse_compress(self) -> exp.Expression:
+2946        if self._match(TokenType.L_PAREN, advance=False):
+2947            return self.expression(
+2948                exp.CompressColumnConstraint, this=self._parse_wrapped_csv(self._parse_bitwise)
+2949            )
+2950
+2951        return self.expression(exp.CompressColumnConstraint, this=self._parse_bitwise())
+2952
+2953    def _parse_generated_as_identity(self) -> exp.Expression:
+2954        if self._match(TokenType.BY_DEFAULT):
+2955            this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=False)
+2956        else:
+2957            self._match_text_seq("ALWAYS")
+2958            this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=True)
 2959
-2960        if self._match(TokenType.CONSTRAINT):
-2961            this = self._parse_id_var()
-2962
-2963        if self._match_texts(self.CONSTRAINT_PARSERS):
-2964            return self.expression(
-2965                exp.ColumnConstraint,
-2966                this=this,
-2967                kind=self.CONSTRAINT_PARSERS[self._prev.text.upper()](self),
-2968            )
-2969
-2970        return this
-2971
-2972    def _parse_constraint(self) -> t.Optional[exp.Expression]:
-2973        if not self._match(TokenType.CONSTRAINT):
-2974            return self._parse_unnamed_constraint(constraints=self.SCHEMA_UNNAMED_CONSTRAINTS)
+2960        self._match_text_seq("AS", "IDENTITY")
+2961        if self._match(TokenType.L_PAREN):
+2962            if self._match_text_seq("START", "WITH"):
+2963                this.set("start", self._parse_bitwise())
+2964            if self._match_text_seq("INCREMENT", "BY"):
+2965                this.set("increment", self._parse_bitwise())
+2966            if self._match_text_seq("MINVALUE"):
+2967                this.set("minvalue", self._parse_bitwise())
+2968            if self._match_text_seq("MAXVALUE"):
+2969                this.set("maxvalue", self._parse_bitwise())
+2970
+2971            if self._match_text_seq("CYCLE"):
+2972                this.set("cycle", True)
+2973            elif self._match_text_seq("NO", "CYCLE"):
+2974                this.set("cycle", False)
 2975
-2976        this = self._parse_id_var()
-2977        expressions = []
-2978
-2979        while True:
-2980            constraint = self._parse_unnamed_constraint() or self._parse_function()
-2981            if not constraint:
-2982                break
-2983            expressions.append(constraint)
-2984
-2985        return self.expression(exp.Constraint, this=this, expressions=expressions)
-2986
-2987    def _parse_unnamed_constraint(
-2988        self, constraints: t.Optional[t.Collection[str]] = None
-2989    ) -> t.Optional[exp.Expression]:
-2990        if not self._match_texts(constraints or self.CONSTRAINT_PARSERS):
-2991            return None
-2992
-2993        constraint = self._prev.text.upper()
-2994        if constraint not in self.CONSTRAINT_PARSERS:
-2995            self.raise_error(f"No parser found for schema constraint {constraint}.")
-2996
-2997        return self.CONSTRAINT_PARSERS[constraint](self)
+2976            self._match_r_paren()
+2977
+2978        return this
+2979
+2980    def _parse_inline(self) -> t.Optional[exp.Expression]:
+2981        self._match_text_seq("LENGTH")
+2982        return self.expression(exp.InlineLengthColumnConstraint, this=self._parse_bitwise())
+2983
+2984    def _parse_not_constraint(self) -> t.Optional[exp.Expression]:
+2985        if self._match_text_seq("NULL"):
+2986            return self.expression(exp.NotNullColumnConstraint)
+2987        if self._match_text_seq("CASESPECIFIC"):
+2988            return self.expression(exp.CaseSpecificColumnConstraint, not_=True)
+2989        return None
+2990
+2991    def _parse_column_constraint(self) -> t.Optional[exp.Expression]:
+2992        this = self._parse_references()
+2993        if this:
+2994            return this
+2995
+2996        if self._match(TokenType.CONSTRAINT):
+2997            this = self._parse_id_var()
 2998
-2999    def _parse_unique(self) -> exp.Expression:
-3000        if not self._match(TokenType.L_PAREN, advance=False):
-3001            return self.expression(exp.UniqueColumnConstraint)
-3002        return self.expression(exp.Unique, expressions=self._parse_wrapped_id_vars())
-3003
-3004    def _parse_key_constraint_options(self) -> t.List[str]:
-3005        options = []
-3006        while True:
-3007            if not self._curr:
-3008                break
-3009
-3010            if self._match(TokenType.ON):
-3011                action = None
-3012                on = self._advance_any() and self._prev.text
-3013
-3014                if self._match(TokenType.NO_ACTION):
-3015                    action = "NO ACTION"
-3016                elif self._match(TokenType.CASCADE):
-3017                    action = "CASCADE"
-3018                elif self._match_pair(TokenType.SET, TokenType.NULL):
-3019                    action = "SET NULL"
-3020                elif self._match_pair(TokenType.SET, TokenType.DEFAULT):
-3021                    action = "SET DEFAULT"
-3022                else:
-3023                    self.raise_error("Invalid key constraint")
-3024
-3025                options.append(f"ON {on} {action}")
-3026            elif self._match_text_seq("NOT", "ENFORCED"):
-3027                options.append("NOT ENFORCED")
-3028            elif self._match_text_seq("DEFERRABLE"):
-3029                options.append("DEFERRABLE")
-3030            elif self._match_text_seq("INITIALLY", "DEFERRED"):
-3031                options.append("INITIALLY DEFERRED")
-3032            elif self._match_text_seq("NORELY"):
-3033                options.append("NORELY")
-3034            elif self._match_text_seq("MATCH", "FULL"):
-3035                options.append("MATCH FULL")
-3036            else:
-3037                break
-3038
-3039        return options
-3040
-3041    def _parse_references(self) -> t.Optional[exp.Expression]:
-3042        if not self._match(TokenType.REFERENCES):
-3043            return None
-3044
-3045        expressions = None
-3046        this = self._parse_id_var()
-3047
-3048        if self._match(TokenType.L_PAREN, advance=False):
-3049            expressions = self._parse_wrapped_id_vars()
-3050
-3051        options = self._parse_key_constraint_options()
-3052        return self.expression(exp.Reference, this=this, expressions=expressions, options=options)
-3053
-3054    def _parse_foreign_key(self) -> exp.Expression:
-3055        expressions = self._parse_wrapped_id_vars()
-3056        reference = self._parse_references()
-3057        options = {}
-3058
-3059        while self._match(TokenType.ON):
-3060            if not self._match_set((TokenType.DELETE, TokenType.UPDATE)):
-3061                self.raise_error("Expected DELETE or UPDATE")
-3062
-3063            kind = self._prev.text.lower()
-3064
-3065            if self._match(TokenType.NO_ACTION):
-3066                action = "NO ACTION"
-3067            elif self._match(TokenType.SET):
-3068                self._match_set((TokenType.NULL, TokenType.DEFAULT))
-3069                action = "SET " + self._prev.text.upper()
-3070            else:
-3071                self._advance()
-3072                action = self._prev.text.upper()
-3073
-3074            options[kind] = action
-3075
-3076        return self.expression(
-3077            exp.ForeignKey, expressions=expressions, reference=reference, **options  # type: ignore
-3078        )
-3079
-3080    def _parse_primary_key(self) -> exp.Expression:
-3081        desc = (
-3082            self._match_set((TokenType.ASC, TokenType.DESC))
-3083            and self._prev.token_type == TokenType.DESC
-3084        )
-3085
-3086        if not self._match(TokenType.L_PAREN, advance=False):
-3087            return self.expression(exp.PrimaryKeyColumnConstraint, desc=desc)
-3088
-3089        expressions = self._parse_wrapped_id_vars()
-3090        options = self._parse_key_constraint_options()
-3091        return self.expression(exp.PrimaryKey, expressions=expressions, options=options)
-3092
-3093    def _parse_bracket(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-3094        if not self._match_set((TokenType.L_BRACKET, TokenType.L_BRACE)):
-3095            return this
-3096
-3097        bracket_kind = self._prev.token_type
-3098        expressions: t.List[t.Optional[exp.Expression]]
-3099
-3100        if self._match(TokenType.COLON):
-3101            expressions = [self.expression(exp.Slice, expression=self._parse_conjunction())]
-3102        else:
-3103            expressions = self._parse_csv(lambda: self._parse_slice(self._parse_conjunction()))
-3104
-3105        # https://duckdb.org/docs/sql/data_types/struct.html#creating-structs
-3106        if bracket_kind == TokenType.L_BRACE:
-3107            this = self.expression(exp.Struct, expressions=expressions)
-3108        elif not this or this.name.upper() == "ARRAY":
-3109            this = self.expression(exp.Array, expressions=expressions)
-3110        else:
-3111            expressions = apply_index_offset(expressions, -self.index_offset)
-3112            this = self.expression(exp.Bracket, this=this, expressions=expressions)
-3113
-3114        if not self._match(TokenType.R_BRACKET) and bracket_kind == TokenType.L_BRACKET:
-3115            self.raise_error("Expected ]")
-3116        elif not self._match(TokenType.R_BRACE) and bracket_kind == TokenType.L_BRACE:
-3117            self.raise_error("Expected }")
-3118
-3119        this.comments = self._prev_comments
-3120        return self._parse_bracket(this)
+2999        if self._match_texts(self.CONSTRAINT_PARSERS):
+3000            return self.expression(
+3001                exp.ColumnConstraint,
+3002                this=this,
+3003                kind=self.CONSTRAINT_PARSERS[self._prev.text.upper()](self),
+3004            )
+3005
+3006        return this
+3007
+3008    def _parse_constraint(self) -> t.Optional[exp.Expression]:
+3009        if not self._match(TokenType.CONSTRAINT):
+3010            return self._parse_unnamed_constraint(constraints=self.SCHEMA_UNNAMED_CONSTRAINTS)
+3011
+3012        this = self._parse_id_var()
+3013        expressions = []
+3014
+3015        while True:
+3016            constraint = self._parse_unnamed_constraint() or self._parse_function()
+3017            if not constraint:
+3018                break
+3019            expressions.append(constraint)
+3020
+3021        return self.expression(exp.Constraint, this=this, expressions=expressions)
+3022
+3023    def _parse_unnamed_constraint(
+3024        self, constraints: t.Optional[t.Collection[str]] = None
+3025    ) -> t.Optional[exp.Expression]:
+3026        if not self._match_texts(constraints or self.CONSTRAINT_PARSERS):
+3027            return None
+3028
+3029        constraint = self._prev.text.upper()
+3030        if constraint not in self.CONSTRAINT_PARSERS:
+3031            self.raise_error(f"No parser found for schema constraint {constraint}.")
+3032
+3033        return self.CONSTRAINT_PARSERS[constraint](self)
+3034
+3035    def _parse_unique(self) -> exp.Expression:
+3036        if not self._match(TokenType.L_PAREN, advance=False):
+3037            return self.expression(exp.UniqueColumnConstraint)
+3038        return self.expression(exp.Unique, expressions=self._parse_wrapped_id_vars())
+3039
+3040    def _parse_key_constraint_options(self) -> t.List[str]:
+3041        options = []
+3042        while True:
+3043            if not self._curr:
+3044                break
+3045
+3046            if self._match(TokenType.ON):
+3047                action = None
+3048                on = self._advance_any() and self._prev.text
+3049
+3050                if self._match(TokenType.NO_ACTION):
+3051                    action = "NO ACTION"
+3052                elif self._match(TokenType.CASCADE):
+3053                    action = "CASCADE"
+3054                elif self._match_pair(TokenType.SET, TokenType.NULL):
+3055                    action = "SET NULL"
+3056                elif self._match_pair(TokenType.SET, TokenType.DEFAULT):
+3057                    action = "SET DEFAULT"
+3058                else:
+3059                    self.raise_error("Invalid key constraint")
+3060
+3061                options.append(f"ON {on} {action}")
+3062            elif self._match_text_seq("NOT", "ENFORCED"):
+3063                options.append("NOT ENFORCED")
+3064            elif self._match_text_seq("DEFERRABLE"):
+3065                options.append("DEFERRABLE")
+3066            elif self._match_text_seq("INITIALLY", "DEFERRED"):
+3067                options.append("INITIALLY DEFERRED")
+3068            elif self._match_text_seq("NORELY"):
+3069                options.append("NORELY")
+3070            elif self._match_text_seq("MATCH", "FULL"):
+3071                options.append("MATCH FULL")
+3072            else:
+3073                break
+3074
+3075        return options
+3076
+3077    def _parse_references(self) -> t.Optional[exp.Expression]:
+3078        if not self._match(TokenType.REFERENCES):
+3079            return None
+3080
+3081        expressions = None
+3082        this = self._parse_id_var()
+3083
+3084        if self._match(TokenType.L_PAREN, advance=False):
+3085            expressions = self._parse_wrapped_id_vars()
+3086
+3087        options = self._parse_key_constraint_options()
+3088        return self.expression(exp.Reference, this=this, expressions=expressions, options=options)
+3089
+3090    def _parse_foreign_key(self) -> exp.Expression:
+3091        expressions = self._parse_wrapped_id_vars()
+3092        reference = self._parse_references()
+3093        options = {}
+3094
+3095        while self._match(TokenType.ON):
+3096            if not self._match_set((TokenType.DELETE, TokenType.UPDATE)):
+3097                self.raise_error("Expected DELETE or UPDATE")
+3098
+3099            kind = self._prev.text.lower()
+3100
+3101            if self._match(TokenType.NO_ACTION):
+3102                action = "NO ACTION"
+3103            elif self._match(TokenType.SET):
+3104                self._match_set((TokenType.NULL, TokenType.DEFAULT))
+3105                action = "SET " + self._prev.text.upper()
+3106            else:
+3107                self._advance()
+3108                action = self._prev.text.upper()
+3109
+3110            options[kind] = action
+3111
+3112        return self.expression(
+3113            exp.ForeignKey, expressions=expressions, reference=reference, **options  # type: ignore
+3114        )
+3115
+3116    def _parse_primary_key(self) -> exp.Expression:
+3117        desc = (
+3118            self._match_set((TokenType.ASC, TokenType.DESC))
+3119            and self._prev.token_type == TokenType.DESC
+3120        )
 3121
-3122    def _parse_slice(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
-3123        if self._match(TokenType.COLON):
-3124            return self.expression(exp.Slice, this=this, expression=self._parse_conjunction())
-3125        return this
-3126
-3127    def _parse_case(self) -> t.Optional[exp.Expression]:
-3128        ifs = []
-3129        default = None
-3130
-3131        expression = self._parse_conjunction()
+3122        if not self._match(TokenType.L_PAREN, advance=False):
+3123            return self.expression(exp.PrimaryKeyColumnConstraint, desc=desc)
+3124
+3125        expressions = self._parse_wrapped_id_vars()
+3126        options = self._parse_key_constraint_options()
+3127        return self.expression(exp.PrimaryKey, expressions=expressions, options=options)
+3128
+3129    def _parse_bracket(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+3130        if not self._match_set((TokenType.L_BRACKET, TokenType.L_BRACE)):
+3131            return this
 3132
-3133        while self._match(TokenType.WHEN):
-3134            this = self._parse_conjunction()
-3135            self._match(TokenType.THEN)
-3136            then = self._parse_conjunction()
-3137            ifs.append(self.expression(exp.If, this=this, true=then))
-3138
-3139        if self._match(TokenType.ELSE):
-3140            default = self._parse_conjunction()
-3141
-3142        if not self._match(TokenType.END):
-3143            self.raise_error("Expected END after CASE", self._prev)
-3144
-3145        return self._parse_window(
-3146            self.expression(exp.Case, this=expression, ifs=ifs, default=default)
-3147        )
-3148
-3149    def _parse_if(self) -> t.Optional[exp.Expression]:
-3150        if self._match(TokenType.L_PAREN):
-3151            args = self._parse_csv(self._parse_conjunction)
-3152            this = exp.If.from_arg_list(args)
-3153            self.validate_expression(this, args)
-3154            self._match_r_paren()
-3155        else:
-3156            condition = self._parse_conjunction()
-3157            self._match(TokenType.THEN)
-3158            true = self._parse_conjunction()
-3159            false = self._parse_conjunction() if self._match(TokenType.ELSE) else None
-3160            self._match(TokenType.END)
-3161            this = self.expression(exp.If, this=condition, true=true, false=false)
+3133        bracket_kind = self._prev.token_type
+3134        expressions: t.List[t.Optional[exp.Expression]]
+3135
+3136        if self._match(TokenType.COLON):
+3137            expressions = [self.expression(exp.Slice, expression=self._parse_conjunction())]
+3138        else:
+3139            expressions = self._parse_csv(lambda: self._parse_slice(self._parse_conjunction()))
+3140
+3141        # https://duckdb.org/docs/sql/data_types/struct.html#creating-structs
+3142        if bracket_kind == TokenType.L_BRACE:
+3143            this = self.expression(exp.Struct, expressions=expressions)
+3144        elif not this or this.name.upper() == "ARRAY":
+3145            this = self.expression(exp.Array, expressions=expressions)
+3146        else:
+3147            expressions = apply_index_offset(expressions, -self.index_offset)
+3148            this = self.expression(exp.Bracket, this=this, expressions=expressions)
+3149
+3150        if not self._match(TokenType.R_BRACKET) and bracket_kind == TokenType.L_BRACKET:
+3151            self.raise_error("Expected ]")
+3152        elif not self._match(TokenType.R_BRACE) and bracket_kind == TokenType.L_BRACE:
+3153            self.raise_error("Expected }")
+3154
+3155        this.comments = self._prev_comments
+3156        return self._parse_bracket(this)
+3157
+3158    def _parse_slice(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]:
+3159        if self._match(TokenType.COLON):
+3160            return self.expression(exp.Slice, this=this, expression=self._parse_conjunction())
+3161        return this
 3162
-3163        return self._parse_window(this)
-3164
-3165    def _parse_extract(self) -> exp.Expression:
-3166        this = self._parse_function() or self._parse_var() or self._parse_type()
-3167
-3168        if self._match(TokenType.FROM):
-3169            return self.expression(exp.Extract, this=this, expression=self._parse_bitwise())
-3170
-3171        if not self._match(TokenType.COMMA):
-3172            self.raise_error("Expected FROM or comma after EXTRACT", self._prev)
-3173
-3174        return self.expression(exp.Extract, this=this, expression=self._parse_bitwise())
-3175
-3176    def _parse_cast(self, strict: bool) -> exp.Expression:
-3177        this = self._parse_conjunction()
-3178
-3179        if not self._match(TokenType.ALIAS):
-3180            self.raise_error("Expected AS after CAST")
-3181
-3182        to = self._parse_types()
-3183
-3184        if not to:
-3185            self.raise_error("Expected TYPE after CAST")
-3186        elif to.this == exp.DataType.Type.CHAR:
-3187            if self._match(TokenType.CHARACTER_SET):
-3188                to = self.expression(exp.CharacterSet, this=self._parse_var_or_string())
-3189
-3190        return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
-3191
-3192    def _parse_string_agg(self) -> exp.Expression:
-3193        expression: t.Optional[exp.Expression]
-3194
-3195        if self._match(TokenType.DISTINCT):
-3196            args = self._parse_csv(self._parse_conjunction)
-3197            expression = self.expression(exp.Distinct, expressions=[seq_get(args, 0)])
-3198        else:
-3199            args = self._parse_csv(self._parse_conjunction)
-3200            expression = seq_get(args, 0)
-3201
-3202        index = self._index
-3203        if not self._match(TokenType.R_PAREN):
-3204            # postgres: STRING_AGG([DISTINCT] expression, separator [ORDER BY expression1 {ASC | DESC} [, ...]])
-3205            order = self._parse_order(this=expression)
-3206            return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1))
-3207
-3208        # Checks if we can parse an order clause: WITHIN GROUP (ORDER BY <order_by_expression_list> [ASC | DESC]).
-3209        # This is done "manually", instead of letting _parse_window parse it into an exp.WithinGroup node, so that
-3210        # the STRING_AGG call is parsed like in MySQL / SQLite and can thus be transpiled more easily to them.
-3211        if not self._match(TokenType.WITHIN_GROUP):
-3212            self._retreat(index)
-3213            this = exp.GroupConcat.from_arg_list(args)
-3214            self.validate_expression(this, args)
-3215            return this
-3216
-3217        self._match_l_paren()  # The corresponding match_r_paren will be called in parse_function (caller)
-3218        order = self._parse_order(this=expression)
-3219        return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1))
-3220
-3221    def _parse_convert(self, strict: bool) -> t.Optional[exp.Expression]:
-3222        to: t.Optional[exp.Expression]
-3223        this = self._parse_column()
-3224
-3225        if self._match(TokenType.USING):
-3226            to = self.expression(exp.CharacterSet, this=self._parse_var())
-3227        elif self._match(TokenType.COMMA):
-3228            to = self._parse_types()
-3229        else:
-3230            to = None
-3231
-3232        return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
-3233
-3234    def _parse_position(self, haystack_first: bool = False) -> exp.Expression:
-3235        args = self._parse_csv(self._parse_bitwise)
-3236
-3237        if self._match(TokenType.IN):
-3238            return self.expression(
-3239                exp.StrPosition, this=self._parse_bitwise(), substr=seq_get(args, 0)
-3240            )
-3241
-3242        if haystack_first:
-3243            haystack = seq_get(args, 0)
-3244            needle = seq_get(args, 1)
-3245        else:
-3246            needle = seq_get(args, 0)
-3247            haystack = seq_get(args, 1)
-3248
-3249        this = exp.StrPosition(this=haystack, substr=needle, position=seq_get(args, 2))
-3250
-3251        self.validate_expression(this, args)
+3163    def _parse_case(self) -> t.Optional[exp.Expression]:
+3164        ifs = []
+3165        default = None
+3166
+3167        expression = self._parse_conjunction()
+3168
+3169        while self._match(TokenType.WHEN):
+3170            this = self._parse_conjunction()
+3171            self._match(TokenType.THEN)
+3172            then = self._parse_conjunction()
+3173            ifs.append(self.expression(exp.If, this=this, true=then))
+3174
+3175        if self._match(TokenType.ELSE):
+3176            default = self._parse_conjunction()
+3177
+3178        if not self._match(TokenType.END):
+3179            self.raise_error("Expected END after CASE", self._prev)
+3180
+3181        return self._parse_window(
+3182            self.expression(exp.Case, this=expression, ifs=ifs, default=default)
+3183        )
+3184
+3185    def _parse_if(self) -> t.Optional[exp.Expression]:
+3186        if self._match(TokenType.L_PAREN):
+3187            args = self._parse_csv(self._parse_conjunction)
+3188            this = exp.If.from_arg_list(args)
+3189            self.validate_expression(this, args)
+3190            self._match_r_paren()
+3191        else:
+3192            condition = self._parse_conjunction()
+3193            self._match(TokenType.THEN)
+3194            true = self._parse_conjunction()
+3195            false = self._parse_conjunction() if self._match(TokenType.ELSE) else None
+3196            self._match(TokenType.END)
+3197            this = self.expression(exp.If, this=condition, true=true, false=false)
+3198
+3199        return self._parse_window(this)
+3200
+3201    def _parse_extract(self) -> exp.Expression:
+3202        this = self._parse_function() or self._parse_var() or self._parse_type()
+3203
+3204        if self._match(TokenType.FROM):
+3205            return self.expression(exp.Extract, this=this, expression=self._parse_bitwise())
+3206
+3207        if not self._match(TokenType.COMMA):
+3208            self.raise_error("Expected FROM or comma after EXTRACT", self._prev)
+3209
+3210        return self.expression(exp.Extract, this=this, expression=self._parse_bitwise())
+3211
+3212    def _parse_cast(self, strict: bool) -> exp.Expression:
+3213        this = self._parse_conjunction()
+3214
+3215        if not self._match(TokenType.ALIAS):
+3216            self.raise_error("Expected AS after CAST")
+3217
+3218        to = self._parse_types()
+3219
+3220        if not to:
+3221            self.raise_error("Expected TYPE after CAST")
+3222        elif to.this == exp.DataType.Type.CHAR:
+3223            if self._match(TokenType.CHARACTER_SET):
+3224                to = self.expression(exp.CharacterSet, this=self._parse_var_or_string())
+3225
+3226        return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
+3227
+3228    def _parse_string_agg(self) -> exp.Expression:
+3229        expression: t.Optional[exp.Expression]
+3230
+3231        if self._match(TokenType.DISTINCT):
+3232            args = self._parse_csv(self._parse_conjunction)
+3233            expression = self.expression(exp.Distinct, expressions=[seq_get(args, 0)])
+3234        else:
+3235            args = self._parse_csv(self._parse_conjunction)
+3236            expression = seq_get(args, 0)
+3237
+3238        index = self._index
+3239        if not self._match(TokenType.R_PAREN):
+3240            # postgres: STRING_AGG([DISTINCT] expression, separator [ORDER BY expression1 {ASC | DESC} [, ...]])
+3241            order = self._parse_order(this=expression)
+3242            return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1))
+3243
+3244        # Checks if we can parse an order clause: WITHIN GROUP (ORDER BY <order_by_expression_list> [ASC | DESC]).
+3245        # This is done "manually", instead of letting _parse_window parse it into an exp.WithinGroup node, so that
+3246        # the STRING_AGG call is parsed like in MySQL / SQLite and can thus be transpiled more easily to them.
+3247        if not self._match(TokenType.WITHIN_GROUP):
+3248            self._retreat(index)
+3249            this = exp.GroupConcat.from_arg_list(args)
+3250            self.validate_expression(this, args)
+3251            return this
 3252
-3253        return this
-3254
-3255    def _parse_join_hint(self, func_name: str) -> exp.Expression:
-3256        args = self._parse_csv(self._parse_table)
-3257        return exp.JoinHint(this=func_name.upper(), expressions=args)
-3258
-3259    def _parse_substring(self) -> exp.Expression:
-3260        # Postgres supports the form: substring(string [from int] [for int])
-3261        # https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6
-3262
-3263        args = self._parse_csv(self._parse_bitwise)
-3264
-3265        if self._match(TokenType.FROM):
-3266            args.append(self._parse_bitwise())
-3267            if self._match(TokenType.FOR):
-3268                args.append(self._parse_bitwise())
+3253        self._match_l_paren()  # The corresponding match_r_paren will be called in parse_function (caller)
+3254        order = self._parse_order(this=expression)
+3255        return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1))
+3256
+3257    def _parse_convert(self, strict: bool) -> t.Optional[exp.Expression]:
+3258        to: t.Optional[exp.Expression]
+3259        this = self._parse_column()
+3260
+3261        if self._match(TokenType.USING):
+3262            to = self.expression(exp.CharacterSet, this=self._parse_var())
+3263        elif self._match(TokenType.COMMA):
+3264            to = self._parse_types()
+3265        else:
+3266            to = None
+3267
+3268        return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to)
 3269
-3270        this = exp.Substring.from_arg_list(args)
-3271        self.validate_expression(this, args)
+3270    def _parse_position(self, haystack_first: bool = False) -> exp.Expression:
+3271        args = self._parse_csv(self._parse_bitwise)
 3272
-3273        return this
-3274
-3275    def _parse_trim(self) -> exp.Expression:
-3276        # https://www.w3resource.com/sql/character-functions/trim.php
-3277        # https://docs.oracle.com/javadb/10.8.3.0/ref/rreftrimfunc.html
-3278
-3279        position = None
-3280        collation = None
-3281
-3282        if self._match_set(self.TRIM_TYPES):
-3283            position = self._prev.text.upper()
+3273        if self._match(TokenType.IN):
+3274            return self.expression(
+3275                exp.StrPosition, this=self._parse_bitwise(), substr=seq_get(args, 0)
+3276            )
+3277
+3278        if haystack_first:
+3279            haystack = seq_get(args, 0)
+3280            needle = seq_get(args, 1)
+3281        else:
+3282            needle = seq_get(args, 0)
+3283            haystack = seq_get(args, 1)
 3284
-3285        expression = self._parse_term()
-3286        if self._match_set((TokenType.FROM, TokenType.COMMA)):
-3287            this = self._parse_term()
-3288        else:
-3289            this = expression
-3290            expression = None
-3291
-3292        if self._match(TokenType.COLLATE):
-3293            collation = self._parse_term()
+3285        this = exp.StrPosition(this=haystack, substr=needle, position=seq_get(args, 2))
+3286
+3287        self.validate_expression(this, args)
+3288
+3289        return this
+3290
+3291    def _parse_join_hint(self, func_name: str) -> exp.Expression:
+3292        args = self._parse_csv(self._parse_table)
+3293        return exp.JoinHint(this=func_name.upper(), expressions=args)
 3294
-3295        return self.expression(
-3296            exp.Trim,
-3297            this=this,
-3298            position=position,
-3299            expression=expression,
-3300            collation=collation,
-3301        )
-3302
-3303    def _parse_window_clause(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
-3304        return self._match(TokenType.WINDOW) and self._parse_csv(self._parse_named_window)
+3295    def _parse_substring(self) -> exp.Expression:
+3296        # Postgres supports the form: substring(string [from int] [for int])
+3297        # https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6
+3298
+3299        args = self._parse_csv(self._parse_bitwise)
+3300
+3301        if self._match(TokenType.FROM):
+3302            args.append(self._parse_bitwise())
+3303            if self._match(TokenType.FOR):
+3304                args.append(self._parse_bitwise())
 3305
-3306    def _parse_named_window(self) -> t.Optional[exp.Expression]:
-3307        return self._parse_window(self._parse_id_var(), alias=True)
+3306        this = exp.Substring.from_arg_list(args)
+3307        self.validate_expression(this, args)
 3308
-3309    def _parse_window(
-3310        self, this: t.Optional[exp.Expression], alias: bool = False
-3311    ) -> t.Optional[exp.Expression]:
-3312        if self._match(TokenType.FILTER):
-3313            where = self._parse_wrapped(self._parse_where)
-3314            this = self.expression(exp.Filter, this=this, expression=where)
-3315
-3316        # T-SQL allows the OVER (...) syntax after WITHIN GROUP.
-3317        # https://learn.microsoft.com/en-us/sql/t-sql/functions/percentile-disc-transact-sql?view=sql-server-ver16
-3318        if self._match(TokenType.WITHIN_GROUP):
-3319            order = self._parse_wrapped(self._parse_order)
-3320            this = self.expression(exp.WithinGroup, this=this, expression=order)
-3321
-3322        # SQL spec defines an optional [ { IGNORE | RESPECT } NULLS ] OVER
-3323        # Some dialects choose to implement and some do not.
-3324        # https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html
-3325
-3326        # There is some code above in _parse_lambda that handles
-3327        #   SELECT FIRST_VALUE(TABLE.COLUMN IGNORE|RESPECT NULLS) OVER ...
-3328
-3329        # The below changes handle
-3330        #   SELECT FIRST_VALUE(TABLE.COLUMN) IGNORE|RESPECT NULLS OVER ...
-3331
-3332        # Oracle allows both formats
-3333        #   (https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/img_text/first_value.html)
-3334        #   and Snowflake chose to do the same for familiarity
-3335        #   https://docs.snowflake.com/en/sql-reference/functions/first_value.html#usage-notes
-3336        if self._match(TokenType.IGNORE_NULLS):
-3337            this = self.expression(exp.IgnoreNulls, this=this)
-3338        elif self._match(TokenType.RESPECT_NULLS):
-3339            this = self.expression(exp.RespectNulls, this=this)
-3340
-3341        # bigquery select from window x AS (partition by ...)
-3342        if alias:
-3343            self._match(TokenType.ALIAS)
-3344        elif not self._match(TokenType.OVER):
-3345            return this
-3346
-3347        if not self._match(TokenType.L_PAREN):
-3348            return self.expression(exp.Window, this=this, alias=self._parse_id_var(False))
-3349
-3350        window_alias = self._parse_id_var(any_token=False, tokens=self.WINDOW_ALIAS_TOKENS)
-3351        partition = self._parse_partition_by()
-3352        order = self._parse_order()
-3353        kind = self._match_set((TokenType.ROWS, TokenType.RANGE)) and self._prev.text
-3354
-3355        if kind:
-3356            self._match(TokenType.BETWEEN)
-3357            start = self._parse_window_spec()
-3358            self._match(TokenType.AND)
-3359            end = self._parse_window_spec()
-3360
-3361            spec = self.expression(
-3362                exp.WindowSpec,
-3363                kind=kind,
-3364                start=start["value"],
-3365                start_side=start["side"],
-3366                end=end["value"],
-3367                end_side=end["side"],
-3368            )
-3369        else:
-3370            spec = None
-3371
-3372        self._match_r_paren()
-3373
-3374        return self.expression(
-3375            exp.Window,
-3376            this=this,
-3377            partition_by=partition,
-3378            order=order,
-3379            spec=spec,
-3380            alias=window_alias,
-3381        )
+3309        return this
+3310
+3311    def _parse_trim(self) -> exp.Expression:
+3312        # https://www.w3resource.com/sql/character-functions/trim.php
+3313        # https://docs.oracle.com/javadb/10.8.3.0/ref/rreftrimfunc.html
+3314
+3315        position = None
+3316        collation = None
+3317
+3318        if self._match_set(self.TRIM_TYPES):
+3319            position = self._prev.text.upper()
+3320
+3321        expression = self._parse_term()
+3322        if self._match_set((TokenType.FROM, TokenType.COMMA)):
+3323            this = self._parse_term()
+3324        else:
+3325            this = expression
+3326            expression = None
+3327
+3328        if self._match(TokenType.COLLATE):
+3329            collation = self._parse_term()
+3330
+3331        return self.expression(
+3332            exp.Trim,
+3333            this=this,
+3334            position=position,
+3335            expression=expression,
+3336            collation=collation,
+3337        )
+3338
+3339    def _parse_window_clause(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
+3340        return self._match(TokenType.WINDOW) and self._parse_csv(self._parse_named_window)
+3341
+3342    def _parse_named_window(self) -> t.Optional[exp.Expression]:
+3343        return self._parse_window(self._parse_id_var(), alias=True)
+3344
+3345    def _parse_window(
+3346        self, this: t.Optional[exp.Expression], alias: bool = False
+3347    ) -> t.Optional[exp.Expression]:
+3348        if self._match(TokenType.FILTER):
+3349            where = self._parse_wrapped(self._parse_where)
+3350            this = self.expression(exp.Filter, this=this, expression=where)
+3351
+3352        # T-SQL allows the OVER (...) syntax after WITHIN GROUP.
+3353        # https://learn.microsoft.com/en-us/sql/t-sql/functions/percentile-disc-transact-sql?view=sql-server-ver16
+3354        if self._match(TokenType.WITHIN_GROUP):
+3355            order = self._parse_wrapped(self._parse_order)
+3356            this = self.expression(exp.WithinGroup, this=this, expression=order)
+3357
+3358        # SQL spec defines an optional [ { IGNORE | RESPECT } NULLS ] OVER
+3359        # Some dialects choose to implement and some do not.
+3360        # https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html
+3361
+3362        # There is some code above in _parse_lambda that handles
+3363        #   SELECT FIRST_VALUE(TABLE.COLUMN IGNORE|RESPECT NULLS) OVER ...
+3364
+3365        # The below changes handle
+3366        #   SELECT FIRST_VALUE(TABLE.COLUMN) IGNORE|RESPECT NULLS OVER ...
+3367
+3368        # Oracle allows both formats
+3369        #   (https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/img_text/first_value.html)
+3370        #   and Snowflake chose to do the same for familiarity
+3371        #   https://docs.snowflake.com/en/sql-reference/functions/first_value.html#usage-notes
+3372        if self._match(TokenType.IGNORE_NULLS):
+3373            this = self.expression(exp.IgnoreNulls, this=this)
+3374        elif self._match(TokenType.RESPECT_NULLS):
+3375            this = self.expression(exp.RespectNulls, this=this)
+3376
+3377        # bigquery select from window x AS (partition by ...)
+3378        if alias:
+3379            self._match(TokenType.ALIAS)
+3380        elif not self._match(TokenType.OVER):
+3381            return this
 3382
-3383    def _parse_window_spec(self) -> t.Dict[str, t.Optional[str | exp.Expression]]:
-3384        self._match(TokenType.BETWEEN)
+3383        if not self._match(TokenType.L_PAREN):
+3384            return self.expression(exp.Window, this=this, alias=self._parse_id_var(False))
 3385
-3386        return {
-3387            "value": (
-3388                self._match_set((TokenType.UNBOUNDED, TokenType.CURRENT_ROW)) and self._prev.text
-3389            )
-3390            or self._parse_bitwise(),
-3391            "side": self._match_set((TokenType.PRECEDING, TokenType.FOLLOWING)) and self._prev.text,
-3392        }
-3393
-3394    def _parse_alias(
-3395        self, this: t.Optional[exp.Expression], explicit: bool = False
-3396    ) -> t.Optional[exp.Expression]:
-3397        any_token = self._match(TokenType.ALIAS)
-3398
-3399        if explicit and not any_token:
-3400            return this
-3401
-3402        if self._match(TokenType.L_PAREN):
-3403            aliases = self.expression(
-3404                exp.Aliases,
-3405                this=this,
-3406                expressions=self._parse_csv(lambda: self._parse_id_var(any_token)),
-3407            )
-3408            self._match_r_paren(aliases)
-3409            return aliases
-3410
-3411        alias = self._parse_id_var(any_token)
-3412
-3413        if alias:
-3414            return self.expression(exp.Alias, this=this, alias=alias)
-3415
-3416        return this
-3417
-3418    def _parse_id_var(
-3419        self,
-3420        any_token: bool = True,
-3421        tokens: t.Optional[t.Collection[TokenType]] = None,
-3422        prefix_tokens: t.Optional[t.Collection[TokenType]] = None,
-3423    ) -> t.Optional[exp.Expression]:
-3424        identifier = self._parse_identifier()
-3425
-3426        if identifier:
-3427            return identifier
-3428
-3429        prefix = ""
-3430
-3431        if prefix_tokens:
-3432            while self._match_set(prefix_tokens):
-3433                prefix += self._prev.text
+3386        window_alias = self._parse_id_var(any_token=False, tokens=self.WINDOW_ALIAS_TOKENS)
+3387        partition = self._parse_partition_by()
+3388        order = self._parse_order()
+3389        kind = self._match_set((TokenType.ROWS, TokenType.RANGE)) and self._prev.text
+3390
+3391        if kind:
+3392            self._match(TokenType.BETWEEN)
+3393            start = self._parse_window_spec()
+3394            self._match(TokenType.AND)
+3395            end = self._parse_window_spec()
+3396
+3397            spec = self.expression(
+3398                exp.WindowSpec,
+3399                kind=kind,
+3400                start=start["value"],
+3401                start_side=start["side"],
+3402                end=end["value"],
+3403                end_side=end["side"],
+3404            )
+3405        else:
+3406            spec = None
+3407
+3408        self._match_r_paren()
+3409
+3410        return self.expression(
+3411            exp.Window,
+3412            this=this,
+3413            partition_by=partition,
+3414            order=order,
+3415            spec=spec,
+3416            alias=window_alias,
+3417        )
+3418
+3419    def _parse_window_spec(self) -> t.Dict[str, t.Optional[str | exp.Expression]]:
+3420        self._match(TokenType.BETWEEN)
+3421
+3422        return {
+3423            "value": (
+3424                self._match_set((TokenType.UNBOUNDED, TokenType.CURRENT_ROW)) and self._prev.text
+3425            )
+3426            or self._parse_bitwise(),
+3427            "side": self._match_set((TokenType.PRECEDING, TokenType.FOLLOWING)) and self._prev.text,
+3428        }
+3429
+3430    def _parse_alias(
+3431        self, this: t.Optional[exp.Expression], explicit: bool = False
+3432    ) -> t.Optional[exp.Expression]:
+3433        any_token = self._match(TokenType.ALIAS)
 3434
-3435        if (any_token and self._advance_any()) or self._match_set(tokens or self.ID_VAR_TOKENS):
-3436            quoted = self._prev.token_type == TokenType.STRING
-3437            return exp.Identifier(this=prefix + self._prev.text, quoted=quoted)
-3438
-3439        return None
-3440
-3441    def _parse_string(self) -> t.Optional[exp.Expression]:
-3442        if self._match(TokenType.STRING):
-3443            return self.PRIMARY_PARSERS[TokenType.STRING](self, self._prev)
-3444        return self._parse_placeholder()
-3445
-3446    def _parse_number(self) -> t.Optional[exp.Expression]:
-3447        if self._match(TokenType.NUMBER):
-3448            return self.PRIMARY_PARSERS[TokenType.NUMBER](self, self._prev)
-3449        return self._parse_placeholder()
-3450
-3451    def _parse_identifier(self) -> t.Optional[exp.Expression]:
-3452        if self._match(TokenType.IDENTIFIER):
-3453            return self.expression(exp.Identifier, this=self._prev.text, quoted=True)
-3454        return self._parse_placeholder()
-3455
-3456    def _parse_var(self, any_token: bool = False) -> t.Optional[exp.Expression]:
-3457        if (any_token and self._advance_any()) or self._match(TokenType.VAR):
-3458            return self.expression(exp.Var, this=self._prev.text)
-3459        return self._parse_placeholder()
-3460
-3461    def _advance_any(self) -> t.Optional[Token]:
-3462        if self._curr and self._curr.token_type not in self.RESERVED_KEYWORDS:
-3463            self._advance()
-3464            return self._prev
-3465        return None
+3435        if explicit and not any_token:
+3436            return this
+3437
+3438        if self._match(TokenType.L_PAREN):
+3439            aliases = self.expression(
+3440                exp.Aliases,
+3441                this=this,
+3442                expressions=self._parse_csv(lambda: self._parse_id_var(any_token)),
+3443            )
+3444            self._match_r_paren(aliases)
+3445            return aliases
+3446
+3447        alias = self._parse_id_var(any_token)
+3448
+3449        if alias:
+3450            return self.expression(exp.Alias, this=this, alias=alias)
+3451
+3452        return this
+3453
+3454    def _parse_id_var(
+3455        self,
+3456        any_token: bool = True,
+3457        tokens: t.Optional[t.Collection[TokenType]] = None,
+3458        prefix_tokens: t.Optional[t.Collection[TokenType]] = None,
+3459    ) -> t.Optional[exp.Expression]:
+3460        identifier = self._parse_identifier()
+3461
+3462        if identifier:
+3463            return identifier
+3464
+3465        prefix = ""
 3466
-3467    def _parse_var_or_string(self) -> t.Optional[exp.Expression]:
-3468        return self._parse_var() or self._parse_string()
-3469
-3470    def _parse_null(self) -> t.Optional[exp.Expression]:
-3471        if self._match(TokenType.NULL):
-3472            return self.PRIMARY_PARSERS[TokenType.NULL](self, self._prev)
-3473        return None
+3467        if prefix_tokens:
+3468            while self._match_set(prefix_tokens):
+3469                prefix += self._prev.text
+3470
+3471        if (any_token and self._advance_any()) or self._match_set(tokens or self.ID_VAR_TOKENS):
+3472            quoted = self._prev.token_type == TokenType.STRING
+3473            return exp.Identifier(this=prefix + self._prev.text, quoted=quoted)
 3474
-3475    def _parse_boolean(self) -> t.Optional[exp.Expression]:
-3476        if self._match(TokenType.TRUE):
-3477            return self.PRIMARY_PARSERS[TokenType.TRUE](self, self._prev)
-3478        if self._match(TokenType.FALSE):
-3479            return self.PRIMARY_PARSERS[TokenType.FALSE](self, self._prev)
-3480        return None
+3475        return None
+3476
+3477    def _parse_string(self) -> t.Optional[exp.Expression]:
+3478        if self._match(TokenType.STRING):
+3479            return self.PRIMARY_PARSERS[TokenType.STRING](self, self._prev)
+3480        return self._parse_placeholder()
 3481
-3482    def _parse_star(self) -> t.Optional[exp.Expression]:
-3483        if self._match(TokenType.STAR):
-3484            return self.PRIMARY_PARSERS[TokenType.STAR](self, self._prev)
-3485        return None
+3482    def _parse_number(self) -> t.Optional[exp.Expression]:
+3483        if self._match(TokenType.NUMBER):
+3484            return self.PRIMARY_PARSERS[TokenType.NUMBER](self, self._prev)
+3485        return self._parse_placeholder()
 3486
-3487    def _parse_parameter(self) -> exp.Expression:
-3488        wrapped = self._match(TokenType.L_BRACE)
-3489        this = self._parse_var() or self._parse_primary()
-3490        self._match(TokenType.R_BRACE)
-3491        return self.expression(exp.Parameter, this=this, wrapped=wrapped)
-3492
-3493    def _parse_placeholder(self) -> t.Optional[exp.Expression]:
-3494        if self._match_set(self.PLACEHOLDER_PARSERS):
-3495            placeholder = self.PLACEHOLDER_PARSERS[self._prev.token_type](self)
-3496            if placeholder:
-3497                return placeholder
-3498            self._advance(-1)
-3499        return None
-3500
-3501    def _parse_except(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
-3502        if not self._match(TokenType.EXCEPT):
-3503            return None
-3504        if self._match(TokenType.L_PAREN, advance=False):
-3505            return self._parse_wrapped_csv(self._parse_column)
-3506        return self._parse_csv(self._parse_column)
-3507
-3508    def _parse_replace(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
-3509        if not self._match(TokenType.REPLACE):
-3510            return None
-3511        if self._match(TokenType.L_PAREN, advance=False):
-3512            return self._parse_wrapped_csv(self._parse_expression)
-3513        return self._parse_csv(self._parse_expression)
-3514
-3515    def _parse_csv(
-3516        self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA
-3517    ) -> t.List[t.Optional[exp.Expression]]:
-3518        parse_result = parse_method()
-3519        items = [parse_result] if parse_result is not None else []
-3520
-3521        while self._match(sep):
-3522            if parse_result and self._prev_comments:
-3523                parse_result.comments = self._prev_comments
-3524
-3525            parse_result = parse_method()
-3526            if parse_result is not None:
-3527                items.append(parse_result)
+3487    def _parse_identifier(self) -> t.Optional[exp.Expression]:
+3488        if self._match(TokenType.IDENTIFIER):
+3489            return self.expression(exp.Identifier, this=self._prev.text, quoted=True)
+3490        return self._parse_placeholder()
+3491
+3492    def _parse_var(self, any_token: bool = False) -> t.Optional[exp.Expression]:
+3493        if (any_token and self._advance_any()) or self._match(TokenType.VAR):
+3494            return self.expression(exp.Var, this=self._prev.text)
+3495        return self._parse_placeholder()
+3496
+3497    def _advance_any(self) -> t.Optional[Token]:
+3498        if self._curr and self._curr.token_type not in self.RESERVED_KEYWORDS:
+3499            self._advance()
+3500            return self._prev
+3501        return None
+3502
+3503    def _parse_var_or_string(self) -> t.Optional[exp.Expression]:
+3504        return self._parse_var() or self._parse_string()
+3505
+3506    def _parse_null(self) -> t.Optional[exp.Expression]:
+3507        if self._match(TokenType.NULL):
+3508            return self.PRIMARY_PARSERS[TokenType.NULL](self, self._prev)
+3509        return None
+3510
+3511    def _parse_boolean(self) -> t.Optional[exp.Expression]:
+3512        if self._match(TokenType.TRUE):
+3513            return self.PRIMARY_PARSERS[TokenType.TRUE](self, self._prev)
+3514        if self._match(TokenType.FALSE):
+3515            return self.PRIMARY_PARSERS[TokenType.FALSE](self, self._prev)
+3516        return None
+3517
+3518    def _parse_star(self) -> t.Optional[exp.Expression]:
+3519        if self._match(TokenType.STAR):
+3520            return self.PRIMARY_PARSERS[TokenType.STAR](self, self._prev)
+3521        return None
+3522
+3523    def _parse_parameter(self) -> exp.Expression:
+3524        wrapped = self._match(TokenType.L_BRACE)
+3525        this = self._parse_var() or self._parse_primary()
+3526        self._match(TokenType.R_BRACE)
+3527        return self.expression(exp.Parameter, this=this, wrapped=wrapped)
 3528
-3529        return items
-3530
-3531    def _parse_tokens(
-3532        self, parse_method: t.Callable, expressions: t.Dict
-3533    ) -> t.Optional[exp.Expression]:
-3534        this = parse_method()
-3535
-3536        while self._match_set(expressions):
-3537            this = self.expression(
-3538                expressions[self._prev.token_type],
-3539                this=this,
-3540                comments=self._prev_comments,
-3541                expression=parse_method(),
-3542            )
+3529    def _parse_placeholder(self) -> t.Optional[exp.Expression]:
+3530        if self._match_set(self.PLACEHOLDER_PARSERS):
+3531            placeholder = self.PLACEHOLDER_PARSERS[self._prev.token_type](self)
+3532            if placeholder:
+3533                return placeholder
+3534            self._advance(-1)
+3535        return None
+3536
+3537    def _parse_except(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
+3538        if not self._match(TokenType.EXCEPT):
+3539            return None
+3540        if self._match(TokenType.L_PAREN, advance=False):
+3541            return self._parse_wrapped_csv(self._parse_column)
+3542        return self._parse_csv(self._parse_column)
 3543
-3544        return this
-3545
-3546    def _parse_wrapped_id_vars(self) -> t.List[t.Optional[exp.Expression]]:
-3547        return self._parse_wrapped_csv(self._parse_id_var)
-3548
-3549    def _parse_wrapped_csv(
-3550        self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA
-3551    ) -> t.List[t.Optional[exp.Expression]]:
-3552        return self._parse_wrapped(lambda: self._parse_csv(parse_method, sep=sep))
-3553
-3554    def _parse_wrapped(self, parse_method: t.Callable) -> t.Any:
-3555        self._match_l_paren()
-3556        parse_result = parse_method()
-3557        self._match_r_paren()
-3558        return parse_result
-3559
-3560    def _parse_select_or_expression(self) -> t.Optional[exp.Expression]:
-3561        return self._parse_select() or self._parse_expression()
-3562
-3563    def _parse_ddl_select(self) -> t.Optional[exp.Expression]:
-3564        return self._parse_set_operations(
-3565            self._parse_select(nested=True, parse_subquery_alias=False)
-3566        )
-3567
-3568    def _parse_transaction(self) -> exp.Expression:
-3569        this = None
-3570        if self._match_texts(self.TRANSACTION_KIND):
-3571            this = self._prev.text
-3572
-3573        self._match_texts({"TRANSACTION", "WORK"})
-3574
-3575        modes = []
-3576        while True:
-3577            mode = []
-3578            while self._match(TokenType.VAR):
-3579                mode.append(self._prev.text)
-3580
-3581            if mode:
-3582                modes.append(" ".join(mode))
-3583            if not self._match(TokenType.COMMA):
-3584                break
-3585
-3586        return self.expression(exp.Transaction, this=this, modes=modes)
-3587
-3588    def _parse_commit_or_rollback(self) -> exp.Expression:
-3589        chain = None
-3590        savepoint = None
-3591        is_rollback = self._prev.token_type == TokenType.ROLLBACK
-3592
-3593        self._match_texts({"TRANSACTION", "WORK"})
-3594
-3595        if self._match_text_seq("TO"):
-3596            self._match_text_seq("SAVEPOINT")
-3597            savepoint = self._parse_id_var()
+3544    def _parse_replace(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]:
+3545        if not self._match(TokenType.REPLACE):
+3546            return None
+3547        if self._match(TokenType.L_PAREN, advance=False):
+3548            return self._parse_wrapped_csv(self._parse_expression)
+3549        return self._parse_csv(self._parse_expression)
+3550
+3551    def _parse_csv(
+3552        self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA
+3553    ) -> t.List[t.Optional[exp.Expression]]:
+3554        parse_result = parse_method()
+3555        items = [parse_result] if parse_result is not None else []
+3556
+3557        while self._match(sep):
+3558            if parse_result and self._prev_comments:
+3559                parse_result.comments = self._prev_comments
+3560
+3561            parse_result = parse_method()
+3562            if parse_result is not None:
+3563                items.append(parse_result)
+3564
+3565        return items
+3566
+3567    def _parse_tokens(
+3568        self, parse_method: t.Callable, expressions: t.Dict
+3569    ) -> t.Optional[exp.Expression]:
+3570        this = parse_method()
+3571
+3572        while self._match_set(expressions):
+3573            this = self.expression(
+3574                expressions[self._prev.token_type],
+3575                this=this,
+3576                comments=self._prev_comments,
+3577                expression=parse_method(),
+3578            )
+3579
+3580        return this
+3581
+3582    def _parse_wrapped_id_vars(self) -> t.List[t.Optional[exp.Expression]]:
+3583        return self._parse_wrapped_csv(self._parse_id_var)
+3584
+3585    def _parse_wrapped_csv(
+3586        self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA
+3587    ) -> t.List[t.Optional[exp.Expression]]:
+3588        return self._parse_wrapped(lambda: self._parse_csv(parse_method, sep=sep))
+3589
+3590    def _parse_wrapped(self, parse_method: t.Callable) -> t.Any:
+3591        self._match_l_paren()
+3592        parse_result = parse_method()
+3593        self._match_r_paren()
+3594        return parse_result
+3595
+3596    def _parse_select_or_expression(self) -> t.Optional[exp.Expression]:
+3597        return self._parse_select() or self._parse_expression()
 3598
-3599        if self._match(TokenType.AND):
-3600            chain = not self._match_text_seq("NO")
-3601            self._match_text_seq("CHAIN")
-3602
-3603        if is_rollback:
-3604            return self.expression(exp.Rollback, savepoint=savepoint)
-3605        return self.expression(exp.Commit, chain=chain)
-3606
-3607    def _parse_add_column(self) -> t.Optional[exp.Expression]:
-3608        if not self._match_text_seq("ADD"):
-3609            return None
+3599    def _parse_ddl_select(self) -> t.Optional[exp.Expression]:
+3600        return self._parse_set_operations(
+3601            self._parse_select(nested=True, parse_subquery_alias=False)
+3602        )
+3603
+3604    def _parse_transaction(self) -> exp.Expression:
+3605        this = None
+3606        if self._match_texts(self.TRANSACTION_KIND):
+3607            this = self._prev.text
+3608
+3609        self._match_texts({"TRANSACTION", "WORK"})
 3610
-3611        self._match(TokenType.COLUMN)
-3612        exists_column = self._parse_exists(not_=True)
-3613        expression = self._parse_column_def(self._parse_field(any_token=True))
-3614
-3615        if expression:
-3616            expression.set("exists", exists_column)
-3617
-3618        return expression
-3619
-3620    def _parse_drop_column(self) -> t.Optional[exp.Expression]:
-3621        return self._match(TokenType.DROP) and self._parse_drop(default_kind="COLUMN")
-3622
-3623    # https://docs.aws.amazon.com/athena/latest/ug/alter-table-drop-partition.html
-3624    def _parse_drop_partition(self, exists: t.Optional[bool] = None) -> exp.Expression:
-3625        return self.expression(
-3626            exp.DropPartition, expressions=self._parse_csv(self._parse_partition), exists=exists
-3627        )
+3611        modes = []
+3612        while True:
+3613            mode = []
+3614            while self._match(TokenType.VAR):
+3615                mode.append(self._prev.text)
+3616
+3617            if mode:
+3618                modes.append(" ".join(mode))
+3619            if not self._match(TokenType.COMMA):
+3620                break
+3621
+3622        return self.expression(exp.Transaction, this=this, modes=modes)
+3623
+3624    def _parse_commit_or_rollback(self) -> exp.Expression:
+3625        chain = None
+3626        savepoint = None
+3627        is_rollback = self._prev.token_type == TokenType.ROLLBACK
 3628
-3629    def _parse_add_constraint(self) -> t.Optional[exp.Expression]:
-3630        this = None
-3631        kind = self._prev.token_type
-3632
-3633        if kind == TokenType.CONSTRAINT:
-3634            this = self._parse_id_var()
-3635
-3636            if self._match_text_seq("CHECK"):
-3637                expression = self._parse_wrapped(self._parse_conjunction)
-3638                enforced = self._match_text_seq("ENFORCED")
-3639
-3640                return self.expression(
-3641                    exp.AddConstraint, this=this, expression=expression, enforced=enforced
-3642                )
-3643
-3644        if kind == TokenType.FOREIGN_KEY or self._match(TokenType.FOREIGN_KEY):
-3645            expression = self._parse_foreign_key()
-3646        elif kind == TokenType.PRIMARY_KEY or self._match(TokenType.PRIMARY_KEY):
-3647            expression = self._parse_primary_key()
-3648
-3649        return self.expression(exp.AddConstraint, this=this, expression=expression)
+3629        self._match_texts({"TRANSACTION", "WORK"})
+3630
+3631        if self._match_text_seq("TO"):
+3632            self._match_text_seq("SAVEPOINT")
+3633            savepoint = self._parse_id_var()
+3634
+3635        if self._match(TokenType.AND):
+3636            chain = not self._match_text_seq("NO")
+3637            self._match_text_seq("CHAIN")
+3638
+3639        if is_rollback:
+3640            return self.expression(exp.Rollback, savepoint=savepoint)
+3641        return self.expression(exp.Commit, chain=chain)
+3642
+3643    def _parse_add_column(self) -> t.Optional[exp.Expression]:
+3644        if not self._match_text_seq("ADD"):
+3645            return None
+3646
+3647        self._match(TokenType.COLUMN)
+3648        exists_column = self._parse_exists(not_=True)
+3649        expression = self._parse_column_def(self._parse_field(any_token=True))
 3650
-3651    def _parse_alter(self) -> t.Optional[exp.Expression]:
-3652        if not self._match(TokenType.TABLE):
-3653            return self._parse_as_command(self._prev)
-3654
-3655        exists = self._parse_exists()
-3656        this = self._parse_table(schema=True)
-3657
-3658        actions: t.Optional[exp.Expression | t.List[t.Optional[exp.Expression]]] = None
-3659
-3660        index = self._index
-3661        if self._match(TokenType.DELETE):
-3662            actions = [self.expression(exp.Delete, where=self._parse_where())]
-3663        elif self._match_text_seq("ADD"):
-3664            if self._match_set(self.ADD_CONSTRAINT_TOKENS):
-3665                actions = self._parse_csv(self._parse_add_constraint)
-3666            else:
-3667                self._retreat(index)
-3668                actions = self._parse_csv(self._parse_add_column)
-3669        elif self._match_text_seq("DROP"):
-3670            partition_exists = self._parse_exists()
+3651        if expression:
+3652            expression.set("exists", exists_column)
+3653
+3654        return expression
+3655
+3656    def _parse_drop_column(self) -> t.Optional[exp.Expression]:
+3657        return self._match(TokenType.DROP) and self._parse_drop(default_kind="COLUMN")
+3658
+3659    # https://docs.aws.amazon.com/athena/latest/ug/alter-table-drop-partition.html
+3660    def _parse_drop_partition(self, exists: t.Optional[bool] = None) -> exp.Expression:
+3661        return self.expression(
+3662            exp.DropPartition, expressions=self._parse_csv(self._parse_partition), exists=exists
+3663        )
+3664
+3665    def _parse_add_constraint(self) -> t.Optional[exp.Expression]:
+3666        this = None
+3667        kind = self._prev.token_type
+3668
+3669        if kind == TokenType.CONSTRAINT:
+3670            this = self._parse_id_var()
 3671
-3672            if self._match(TokenType.PARTITION, advance=False):
-3673                actions = self._parse_csv(
-3674                    lambda: self._parse_drop_partition(exists=partition_exists)
-3675                )
-3676            else:
-3677                self._retreat(index)
-3678                actions = self._parse_csv(self._parse_drop_column)
-3679        elif self._match_text_seq("RENAME", "TO"):
-3680            actions = self.expression(exp.RenameTable, this=self._parse_table(schema=True))
-3681        elif self._match_text_seq("ALTER"):
-3682            self._match(TokenType.COLUMN)
-3683            column = self._parse_field(any_token=True)
+3672            if self._match_text_seq("CHECK"):
+3673                expression = self._parse_wrapped(self._parse_conjunction)
+3674                enforced = self._match_text_seq("ENFORCED")
+3675
+3676                return self.expression(
+3677                    exp.AddConstraint, this=this, expression=expression, enforced=enforced
+3678                )
+3679
+3680        if kind == TokenType.FOREIGN_KEY or self._match(TokenType.FOREIGN_KEY):
+3681            expression = self._parse_foreign_key()
+3682        elif kind == TokenType.PRIMARY_KEY or self._match(TokenType.PRIMARY_KEY):
+3683            expression = self._parse_primary_key()
 3684
-3685            if self._match_pair(TokenType.DROP, TokenType.DEFAULT):
-3686                actions = self.expression(exp.AlterColumn, this=column, drop=True)
-3687            elif self._match_pair(TokenType.SET, TokenType.DEFAULT):
-3688                actions = self.expression(
-3689                    exp.AlterColumn, this=column, default=self._parse_conjunction()
-3690                )
-3691            else:
-3692                self._match_text_seq("SET", "DATA")
-3693                actions = self.expression(
-3694                    exp.AlterColumn,
-3695                    this=column,
-3696                    dtype=self._match_text_seq("TYPE") and self._parse_types(),
-3697                    collate=self._match(TokenType.COLLATE) and self._parse_term(),
-3698                    using=self._match(TokenType.USING) and self._parse_conjunction(),
-3699                )
-3700
-3701        actions = ensure_list(actions)
-3702        return self.expression(exp.AlterTable, this=this, exists=exists, actions=actions)
-3703
-3704    def _parse_show(self) -> t.Optional[exp.Expression]:
-3705        parser = self._find_parser(self.SHOW_PARSERS, self._show_trie)  # type: ignore
-3706        if parser:
-3707            return parser(self)
-3708        self._advance()
-3709        return self.expression(exp.Show, this=self._prev.text.upper())
-3710
-3711    def _default_parse_set_item(self) -> exp.Expression:
-3712        return self.expression(
-3713            exp.SetItem,
-3714            this=self._parse_statement(),
-3715        )
+3685        return self.expression(exp.AddConstraint, this=this, expression=expression)
+3686
+3687    def _parse_alter_table_add(self) -> t.List[t.Optional[exp.Expression]]:
+3688        index = self._index - 1
+3689
+3690        if self._match_set(self.ADD_CONSTRAINT_TOKENS):
+3691            return self._parse_csv(self._parse_add_constraint)
+3692
+3693        self._retreat(index)
+3694        return self._parse_csv(self._parse_add_column)
+3695
+3696    def _parse_alter_table_alter(self) -> exp.Expression:
+3697        self._match(TokenType.COLUMN)
+3698        column = self._parse_field(any_token=True)
+3699
+3700        if self._match_pair(TokenType.DROP, TokenType.DEFAULT):
+3701            return self.expression(exp.AlterColumn, this=column, drop=True)
+3702        if self._match_pair(TokenType.SET, TokenType.DEFAULT):
+3703            return self.expression(exp.AlterColumn, this=column, default=self._parse_conjunction())
+3704
+3705        self._match_text_seq("SET", "DATA")
+3706        return self.expression(
+3707            exp.AlterColumn,
+3708            this=column,
+3709            dtype=self._match_text_seq("TYPE") and self._parse_types(),
+3710            collate=self._match(TokenType.COLLATE) and self._parse_term(),
+3711            using=self._match(TokenType.USING) and self._parse_conjunction(),
+3712        )
+3713
+3714    def _parse_alter_table_drop(self) -> t.List[t.Optional[exp.Expression]]:
+3715        index = self._index - 1
 3716
-3717    def _parse_set_item(self) -> t.Optional[exp.Expression]:
-3718        parser = self._find_parser(self.SET_PARSERS, self._set_trie)  # type: ignore
-3719        return parser(self) if parser else self._default_parse_set_item()
+3717        partition_exists = self._parse_exists()
+3718        if self._match(TokenType.PARTITION, advance=False):
+3719            return self._parse_csv(lambda: self._parse_drop_partition(exists=partition_exists))
 3720
-3721    def _parse_merge(self) -> exp.Expression:
-3722        self._match(TokenType.INTO)
-3723        target = self._parse_table()
-3724
-3725        self._match(TokenType.USING)
-3726        using = self._parse_table()
+3721        self._retreat(index)
+3722        return self._parse_csv(self._parse_drop_column)
+3723
+3724    def _parse_alter_table_rename(self) -> exp.Expression:
+3725        self._match_text_seq("TO")
+3726        return self.expression(exp.RenameTable, this=self._parse_table(schema=True))
 3727
-3728        self._match(TokenType.ON)
-3729        on = self._parse_conjunction()
-3730
-3731        whens = []
-3732        while self._match(TokenType.WHEN):
-3733            this = self._parse_conjunction()
-3734            self._match(TokenType.THEN)
-3735
-3736            if self._match(TokenType.INSERT):
-3737                _this = self._parse_star()
-3738                if _this:
-3739                    then = self.expression(exp.Insert, this=_this)
-3740                else:
-3741                    then = self.expression(
-3742                        exp.Insert,
-3743                        this=self._parse_value(),
-3744                        expression=self._match(TokenType.VALUES) and self._parse_value(),
-3745                    )
-3746            elif self._match(TokenType.UPDATE):
-3747                expressions = self._parse_star()
-3748                if expressions:
-3749                    then = self.expression(exp.Update, expressions=expressions)
-3750                else:
-3751                    then = self.expression(
-3752                        exp.Update,
-3753                        expressions=self._match(TokenType.SET)
-3754                        and self._parse_csv(self._parse_equality),
-3755                    )
-3756            elif self._match(TokenType.DELETE):
-3757                then = self.expression(exp.Var, this=self._prev.text)
-3758
-3759            whens.append(self.expression(exp.When, this=this, then=then))
-3760
-3761        return self.expression(
-3762            exp.Merge,
-3763            this=target,
-3764            using=using,
-3765            on=on,
-3766            expressions=whens,
-3767        )
-3768
-3769    def _parse_set(self) -> exp.Expression:
-3770        return self.expression(exp.Set, expressions=self._parse_csv(self._parse_set_item))
-3771
-3772    def _parse_as_command(self, start: Token) -> exp.Command:
-3773        while self._curr:
-3774            self._advance()
-3775        return exp.Command(this=self._find_sql(start, self._prev))
-3776
-3777    def _find_parser(
-3778        self, parsers: t.Dict[str, t.Callable], trie: t.Dict
-3779    ) -> t.Optional[t.Callable]:
-3780        index = self._index
-3781        this = []
-3782        while True:
-3783            # The current token might be multiple words
-3784            curr = self._curr.text.upper()
-3785            key = curr.split(" ")
-3786            this.append(curr)
-3787            self._advance()
-3788            result, trie = in_trie(trie, key)
-3789            if result == 0:
-3790                break
-3791            if result == 2:
-3792                subparser = parsers[" ".join(this)]
-3793                return subparser
-3794        self._retreat(index)
-3795        return None
-3796
-3797    def _match(self, token_type, advance=True):
-3798        if not self._curr:
-3799            return None
-3800
-3801        if self._curr.token_type == token_type:
-3802            if advance:
-3803                self._advance()
-3804            return True
-3805
-3806        return None
+3728    def _parse_alter(self) -> t.Optional[exp.Expression]:
+3729        if not self._match(TokenType.TABLE):
+3730            return self._parse_as_command(self._prev)
+3731
+3732        exists = self._parse_exists()
+3733        this = self._parse_table(schema=True)
+3734
+3735        if not self._curr:
+3736            return None
+3737
+3738        parser = self.ALTER_PARSERS.get(self._curr.text.upper())
+3739        actions = ensure_list(self._advance() or parser(self)) if parser else []  # type: ignore
+3740
+3741        return self.expression(exp.AlterTable, this=this, exists=exists, actions=actions)
+3742
+3743    def _parse_show(self) -> t.Optional[exp.Expression]:
+3744        parser = self._find_parser(self.SHOW_PARSERS, self._show_trie)  # type: ignore
+3745        if parser:
+3746            return parser(self)
+3747        self._advance()
+3748        return self.expression(exp.Show, this=self._prev.text.upper())
+3749
+3750    def _default_parse_set_item(self) -> exp.Expression:
+3751        return self.expression(
+3752            exp.SetItem,
+3753            this=self._parse_statement(),
+3754        )
+3755
+3756    def _parse_set_item(self) -> t.Optional[exp.Expression]:
+3757        parser = self._find_parser(self.SET_PARSERS, self._set_trie)  # type: ignore
+3758        return parser(self) if parser else self._default_parse_set_item()
+3759
+3760    def _parse_merge(self) -> exp.Expression:
+3761        self._match(TokenType.INTO)
+3762        target = self._parse_table()
+3763
+3764        self._match(TokenType.USING)
+3765        using = self._parse_table()
+3766
+3767        self._match(TokenType.ON)
+3768        on = self._parse_conjunction()
+3769
+3770        whens = []
+3771        while self._match(TokenType.WHEN):
+3772            this = self._parse_conjunction()
+3773            self._match(TokenType.THEN)
+3774
+3775            if self._match(TokenType.INSERT):
+3776                _this = self._parse_star()
+3777                if _this:
+3778                    then = self.expression(exp.Insert, this=_this)
+3779                else:
+3780                    then = self.expression(
+3781                        exp.Insert,
+3782                        this=self._parse_value(),
+3783                        expression=self._match(TokenType.VALUES) and self._parse_value(),
+3784                    )
+3785            elif self._match(TokenType.UPDATE):
+3786                expressions = self._parse_star()
+3787                if expressions:
+3788                    then = self.expression(exp.Update, expressions=expressions)
+3789                else:
+3790                    then = self.expression(
+3791                        exp.Update,
+3792                        expressions=self._match(TokenType.SET)
+3793                        and self._parse_csv(self._parse_equality),
+3794                    )
+3795            elif self._match(TokenType.DELETE):
+3796                then = self.expression(exp.Var, this=self._prev.text)
+3797
+3798            whens.append(self.expression(exp.When, this=this, then=then))
+3799
+3800        return self.expression(
+3801            exp.Merge,
+3802            this=target,
+3803            using=using,
+3804            on=on,
+3805            expressions=whens,
+3806        )
 3807
-3808    def _match_set(self, types, advance=True):
-3809        if not self._curr:
-3810            return None
-3811
-3812        if self._curr.token_type in types:
-3813            if advance:
-3814                self._advance()
-3815            return True
-3816
-3817        return None
-3818
-3819    def _match_pair(self, token_type_a, token_type_b, advance=True):
-3820        if not self._curr or not self._next:
-3821            return None
-3822
-3823        if self._curr.token_type == token_type_a and self._next.token_type == token_type_b:
-3824            if advance:
-3825                self._advance(2)
-3826            return True
-3827
-3828        return None
-3829
-3830    def _match_l_paren(self, expression=None):
-3831        if not self._match(TokenType.L_PAREN):
-3832            self.raise_error("Expecting (")
-3833        if expression and self._prev_comments:
-3834            expression.comments = self._prev_comments
-3835
-3836    def _match_r_paren(self, expression=None):
-3837        if not self._match(TokenType.R_PAREN):
-3838            self.raise_error("Expecting )")
-3839        if expression and self._prev_comments:
-3840            expression.comments = self._prev_comments
+3808    def _parse_set(self) -> exp.Expression:
+3809        return self.expression(exp.Set, expressions=self._parse_csv(self._parse_set_item))
+3810
+3811    def _parse_as_command(self, start: Token) -> exp.Command:
+3812        while self._curr:
+3813            self._advance()
+3814        text = self._find_sql(start, self._prev)
+3815        size = len(start.text)
+3816        return exp.Command(this=text[:size], expression=text[size:])
+3817
+3818    def _find_parser(
+3819        self, parsers: t.Dict[str, t.Callable], trie: t.Dict
+3820    ) -> t.Optional[t.Callable]:
+3821        index = self._index
+3822        this = []
+3823        while True:
+3824            # The current token might be multiple words
+3825            curr = self._curr.text.upper()
+3826            key = curr.split(" ")
+3827            this.append(curr)
+3828            self._advance()
+3829            result, trie = in_trie(trie, key)
+3830            if result == 0:
+3831                break
+3832            if result == 2:
+3833                subparser = parsers[" ".join(this)]
+3834                return subparser
+3835        self._retreat(index)
+3836        return None
+3837
+3838    def _match(self, token_type, advance=True):
+3839        if not self._curr:
+3840            return None
 3841
-3842    def _match_texts(self, texts, advance=True):
-3843        if self._curr and self._curr.text.upper() in texts:
-3844            if advance:
-3845                self._advance()
-3846            return True
-3847        return False
+3842        if self._curr.token_type == token_type:
+3843            if advance:
+3844                self._advance()
+3845            return True
+3846
+3847        return None
 3848
-3849    def _match_text_seq(self, *texts, advance=True):
-3850        index = self._index
-3851        for text in texts:
-3852            if self._curr and self._curr.text.upper() == text:
-3853                self._advance()
-3854            else:
-3855                self._retreat(index)
-3856                return False
+3849    def _match_set(self, types, advance=True):
+3850        if not self._curr:
+3851            return None
+3852
+3853        if self._curr.token_type in types:
+3854            if advance:
+3855                self._advance()
+3856            return True
 3857
-3858        if not advance:
-3859            self._retreat(index)
-3860
-3861        return True
-3862
-3863    def _replace_columns_with_dots(self, this):
-3864        if isinstance(this, exp.Dot):
-3865            exp.replace_children(this, self._replace_columns_with_dots)
-3866        elif isinstance(this, exp.Column):
-3867            exp.replace_children(this, self._replace_columns_with_dots)
-3868            table = this.args.get("table")
-3869            this = (
-3870                self.expression(exp.Dot, this=table, expression=this.this)
-3871                if table
-3872                else self.expression(exp.Var, this=this.name)
-3873            )
-3874        elif isinstance(this, exp.Identifier):
-3875            this = self.expression(exp.Var, this=this.name)
-3876        return this
-3877
-3878    def _replace_lambda(self, node, lambda_variables):
-3879        if isinstance(node, exp.Column):
-3880            if node.name in lambda_variables:
-3881                return node.this
-3882        return node
+3858        return None
+3859
+3860    def _match_pair(self, token_type_a, token_type_b, advance=True):
+3861        if not self._curr or not self._next:
+3862            return None
+3863
+3864        if self._curr.token_type == token_type_a and self._next.token_type == token_type_b:
+3865            if advance:
+3866                self._advance(2)
+3867            return True
+3868
+3869        return None
+3870
+3871    def _match_l_paren(self, expression=None):
+3872        if not self._match(TokenType.L_PAREN):
+3873            self.raise_error("Expecting (")
+3874        if expression and self._prev_comments:
+3875            expression.comments = self._prev_comments
+3876
+3877    def _match_r_paren(self, expression=None):
+3878        if not self._match(TokenType.R_PAREN):
+3879            self.raise_error("Expecting )")
+3880        if expression and self._prev_comments:
+3881            expression.comments = self._prev_comments
+3882
+3883    def _match_texts(self, texts, advance=True):
+3884        if self._curr and self._curr.text.upper() in texts:
+3885            if advance:
+3886                self._advance()
+3887            return True
+3888        return False
+3889
+3890    def _match_text_seq(self, *texts, advance=True):
+3891        index = self._index
+3892        for text in texts:
+3893            if self._curr and self._curr.text.upper() == text:
+3894                self._advance()
+3895            else:
+3896                self._retreat(index)
+3897                return False
+3898
+3899        if not advance:
+3900            self._retreat(index)
+3901
+3902        return True
+3903
+3904    def _replace_columns_with_dots(self, this):
+3905        if isinstance(this, exp.Dot):
+3906            exp.replace_children(this, self._replace_columns_with_dots)
+3907        elif isinstance(this, exp.Column):
+3908            exp.replace_children(this, self._replace_columns_with_dots)
+3909            table = this.args.get("table")
+3910            this = (
+3911                self.expression(exp.Dot, this=table, expression=this.this)
+3912                if table
+3913                else self.expression(exp.Var, this=this.name)
+3914            )
+3915        elif isinstance(this, exp.Identifier):
+3916            this = self.expression(exp.Var, this=this.name)
+3917        return this
+3918
+3919    def _replace_lambda(self, node, lambda_variables):
+3920        if isinstance(node, exp.Column):
+3921            if node.name in lambda_variables:
+3922                return node.this
+3923        return node
    @@ -4128,3729 +4169,3770 @@ 158 159 RESERVED_KEYWORDS = {*Tokenizer.SINGLE_TOKENS.values(), TokenType.SELECT} 160 - 161 ID_VAR_TOKENS = { - 162 TokenType.VAR, - 163 TokenType.ANTI, - 164 TokenType.APPLY, - 165 TokenType.AUTO_INCREMENT, - 166 TokenType.BEGIN, - 167 TokenType.BOTH, - 168 TokenType.BUCKET, - 169 TokenType.CACHE, - 170 TokenType.CASCADE, - 171 TokenType.COLLATE, - 172 TokenType.COLUMN, - 173 TokenType.COMMAND, - 174 TokenType.COMMIT, - 175 TokenType.COMPOUND, - 176 TokenType.CONSTRAINT, - 177 TokenType.CURRENT_TIME, - 178 TokenType.DEFAULT, - 179 TokenType.DELETE, - 180 TokenType.DESCRIBE, - 181 TokenType.DIV, - 182 TokenType.END, - 183 TokenType.EXECUTE, - 184 TokenType.ESCAPE, - 185 TokenType.FALSE, - 186 TokenType.FIRST, - 187 TokenType.FILTER, - 188 TokenType.FOLLOWING, - 189 TokenType.FORMAT, - 190 TokenType.FUNCTION, - 191 TokenType.IF, - 192 TokenType.INDEX, - 193 TokenType.ISNULL, - 194 TokenType.INTERVAL, - 195 TokenType.LAZY, - 196 TokenType.LEADING, - 197 TokenType.LEFT, - 198 TokenType.LOCAL, - 199 TokenType.MATERIALIZED, - 200 TokenType.MERGE, - 201 TokenType.NATURAL, - 202 TokenType.NEXT, - 203 TokenType.OFFSET, - 204 TokenType.ONLY, - 205 TokenType.OPTIONS, - 206 TokenType.ORDINALITY, - 207 TokenType.PERCENT, - 208 TokenType.PIVOT, - 209 TokenType.PRECEDING, - 210 TokenType.RANGE, - 211 TokenType.REFERENCES, - 212 TokenType.RIGHT, - 213 TokenType.ROW, - 214 TokenType.ROWS, - 215 TokenType.SCHEMA, - 216 TokenType.SEED, - 217 TokenType.SEMI, - 218 TokenType.SET, - 219 TokenType.SHOW, - 220 TokenType.SORTKEY, - 221 TokenType.TABLE, - 222 TokenType.TEMPORARY, - 223 TokenType.TOP, - 224 TokenType.TRAILING, - 225 TokenType.TRUE, - 226 TokenType.UNBOUNDED, - 227 TokenType.UNIQUE, - 228 TokenType.UNLOGGED, - 229 TokenType.UNPIVOT, - 230 TokenType.PROCEDURE, - 231 TokenType.VIEW, - 232 TokenType.VOLATILE, - 233 TokenType.WINDOW, - 234 *SUBQUERY_PREDICATES, - 235 *TYPE_TOKENS, - 236 *NO_PAREN_FUNCTIONS, - 237 } - 238 - 239 TABLE_ALIAS_TOKENS = ID_VAR_TOKENS - { - 240 TokenType.APPLY, - 241 TokenType.LEFT, - 242 TokenType.NATURAL, - 243 TokenType.OFFSET, - 244 TokenType.RIGHT, - 245 TokenType.WINDOW, - 246 } - 247 - 248 UPDATE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.SET} - 249 - 250 TRIM_TYPES = {TokenType.LEADING, TokenType.TRAILING, TokenType.BOTH} - 251 - 252 FUNC_TOKENS = { - 253 TokenType.COMMAND, - 254 TokenType.CURRENT_DATE, - 255 TokenType.CURRENT_DATETIME, - 256 TokenType.CURRENT_TIMESTAMP, - 257 TokenType.CURRENT_TIME, - 258 TokenType.FILTER, - 259 TokenType.FIRST, - 260 TokenType.FORMAT, - 261 TokenType.IDENTIFIER, - 262 TokenType.INDEX, - 263 TokenType.ISNULL, - 264 TokenType.ILIKE, - 265 TokenType.LIKE, - 266 TokenType.MERGE, - 267 TokenType.OFFSET, - 268 TokenType.PRIMARY_KEY, - 269 TokenType.REPLACE, - 270 TokenType.ROW, - 271 TokenType.UNNEST, - 272 TokenType.VAR, - 273 TokenType.LEFT, - 274 TokenType.RIGHT, - 275 TokenType.DATE, - 276 TokenType.DATETIME, - 277 TokenType.TABLE, - 278 TokenType.TIMESTAMP, - 279 TokenType.TIMESTAMPTZ, - 280 TokenType.WINDOW, - 281 *TYPE_TOKENS, - 282 *SUBQUERY_PREDICATES, - 283 } - 284 - 285 CONJUNCTION = { - 286 TokenType.AND: exp.And, - 287 TokenType.OR: exp.Or, - 288 } - 289 - 290 EQUALITY = { - 291 TokenType.EQ: exp.EQ, - 292 TokenType.NEQ: exp.NEQ, - 293 TokenType.NULLSAFE_EQ: exp.NullSafeEQ, - 294 } - 295 - 296 COMPARISON = { - 297 TokenType.GT: exp.GT, - 298 TokenType.GTE: exp.GTE, - 299 TokenType.LT: exp.LT, - 300 TokenType.LTE: exp.LTE, - 301 } - 302 - 303 BITWISE = { - 304 TokenType.AMP: exp.BitwiseAnd, - 305 TokenType.CARET: exp.BitwiseXor, - 306 TokenType.PIPE: exp.BitwiseOr, - 307 TokenType.DPIPE: exp.DPipe, - 308 } - 309 - 310 TERM = { - 311 TokenType.DASH: exp.Sub, - 312 TokenType.PLUS: exp.Add, - 313 TokenType.MOD: exp.Mod, - 314 TokenType.COLLATE: exp.Collate, - 315 } - 316 - 317 FACTOR = { - 318 TokenType.DIV: exp.IntDiv, - 319 TokenType.LR_ARROW: exp.Distance, - 320 TokenType.SLASH: exp.Div, - 321 TokenType.STAR: exp.Mul, - 322 } - 323 - 324 TIMESTAMPS = { - 325 TokenType.TIME, - 326 TokenType.TIMESTAMP, - 327 TokenType.TIMESTAMPTZ, - 328 TokenType.TIMESTAMPLTZ, - 329 } - 330 - 331 SET_OPERATIONS = { - 332 TokenType.UNION, - 333 TokenType.INTERSECT, - 334 TokenType.EXCEPT, - 335 } - 336 - 337 JOIN_SIDES = { - 338 TokenType.LEFT, - 339 TokenType.RIGHT, - 340 TokenType.FULL, - 341 } - 342 - 343 JOIN_KINDS = { - 344 TokenType.INNER, - 345 TokenType.OUTER, - 346 TokenType.CROSS, - 347 TokenType.SEMI, - 348 TokenType.ANTI, - 349 } - 350 - 351 LAMBDAS = { - 352 TokenType.ARROW: lambda self, expressions: self.expression( - 353 exp.Lambda, - 354 this=self._parse_conjunction().transform( - 355 self._replace_lambda, {node.name for node in expressions} - 356 ), - 357 expressions=expressions, - 358 ), - 359 TokenType.FARROW: lambda self, expressions: self.expression( - 360 exp.Kwarg, - 361 this=exp.Var(this=expressions[0].name), - 362 expression=self._parse_conjunction(), - 363 ), - 364 } - 365 - 366 COLUMN_OPERATORS = { - 367 TokenType.DOT: None, - 368 TokenType.DCOLON: lambda self, this, to: self.expression( - 369 exp.Cast, - 370 this=this, - 371 to=to, - 372 ), - 373 TokenType.ARROW: lambda self, this, path: self.expression( - 374 exp.JSONExtract, - 375 this=this, - 376 expression=path, - 377 ), - 378 TokenType.DARROW: lambda self, this, path: self.expression( - 379 exp.JSONExtractScalar, + 161 DB_CREATABLES = { + 162 TokenType.DATABASE, + 163 TokenType.SCHEMA, + 164 TokenType.TABLE, + 165 TokenType.VIEW, + 166 } + 167 + 168 CREATABLES = { + 169 TokenType.COLUMN, + 170 TokenType.FUNCTION, + 171 TokenType.INDEX, + 172 TokenType.PROCEDURE, + 173 *DB_CREATABLES, + 174 } + 175 + 176 ID_VAR_TOKENS = { + 177 TokenType.VAR, + 178 TokenType.ANTI, + 179 TokenType.APPLY, + 180 TokenType.AUTO_INCREMENT, + 181 TokenType.BEGIN, + 182 TokenType.BOTH, + 183 TokenType.BUCKET, + 184 TokenType.CACHE, + 185 TokenType.CASCADE, + 186 TokenType.COLLATE, + 187 TokenType.COMMAND, + 188 TokenType.COMMENT, + 189 TokenType.COMMIT, + 190 TokenType.COMPOUND, + 191 TokenType.CONSTRAINT, + 192 TokenType.CURRENT_TIME, + 193 TokenType.DEFAULT, + 194 TokenType.DELETE, + 195 TokenType.DESCRIBE, + 196 TokenType.DIV, + 197 TokenType.END, + 198 TokenType.EXECUTE, + 199 TokenType.ESCAPE, + 200 TokenType.FALSE, + 201 TokenType.FIRST, + 202 TokenType.FILTER, + 203 TokenType.FOLLOWING, + 204 TokenType.FORMAT, + 205 TokenType.IF, + 206 TokenType.ISNULL, + 207 TokenType.INTERVAL, + 208 TokenType.LAZY, + 209 TokenType.LEADING, + 210 TokenType.LEFT, + 211 TokenType.LOCAL, + 212 TokenType.MATERIALIZED, + 213 TokenType.MERGE, + 214 TokenType.NATURAL, + 215 TokenType.NEXT, + 216 TokenType.OFFSET, + 217 TokenType.ONLY, + 218 TokenType.OPTIONS, + 219 TokenType.ORDINALITY, + 220 TokenType.PERCENT, + 221 TokenType.PIVOT, + 222 TokenType.PRECEDING, + 223 TokenType.RANGE, + 224 TokenType.REFERENCES, + 225 TokenType.RIGHT, + 226 TokenType.ROW, + 227 TokenType.ROWS, + 228 TokenType.SEED, + 229 TokenType.SEMI, + 230 TokenType.SET, + 231 TokenType.SHOW, + 232 TokenType.SORTKEY, + 233 TokenType.TEMPORARY, + 234 TokenType.TOP, + 235 TokenType.TRAILING, + 236 TokenType.TRUE, + 237 TokenType.UNBOUNDED, + 238 TokenType.UNIQUE, + 239 TokenType.UNLOGGED, + 240 TokenType.UNPIVOT, + 241 TokenType.VOLATILE, + 242 TokenType.WINDOW, + 243 *CREATABLES, + 244 *SUBQUERY_PREDICATES, + 245 *TYPE_TOKENS, + 246 *NO_PAREN_FUNCTIONS, + 247 } + 248 + 249 TABLE_ALIAS_TOKENS = ID_VAR_TOKENS - { + 250 TokenType.APPLY, + 251 TokenType.LEFT, + 252 TokenType.NATURAL, + 253 TokenType.OFFSET, + 254 TokenType.RIGHT, + 255 TokenType.WINDOW, + 256 } + 257 + 258 UPDATE_ALIAS_TOKENS = TABLE_ALIAS_TOKENS - {TokenType.SET} + 259 + 260 TRIM_TYPES = {TokenType.LEADING, TokenType.TRAILING, TokenType.BOTH} + 261 + 262 FUNC_TOKENS = { + 263 TokenType.COMMAND, + 264 TokenType.CURRENT_DATE, + 265 TokenType.CURRENT_DATETIME, + 266 TokenType.CURRENT_TIMESTAMP, + 267 TokenType.CURRENT_TIME, + 268 TokenType.FILTER, + 269 TokenType.FIRST, + 270 TokenType.FORMAT, + 271 TokenType.IDENTIFIER, + 272 TokenType.INDEX, + 273 TokenType.ISNULL, + 274 TokenType.ILIKE, + 275 TokenType.LIKE, + 276 TokenType.MERGE, + 277 TokenType.OFFSET, + 278 TokenType.PRIMARY_KEY, + 279 TokenType.REPLACE, + 280 TokenType.ROW, + 281 TokenType.UNNEST, + 282 TokenType.VAR, + 283 TokenType.LEFT, + 284 TokenType.RIGHT, + 285 TokenType.DATE, + 286 TokenType.DATETIME, + 287 TokenType.TABLE, + 288 TokenType.TIMESTAMP, + 289 TokenType.TIMESTAMPTZ, + 290 TokenType.WINDOW, + 291 *TYPE_TOKENS, + 292 *SUBQUERY_PREDICATES, + 293 } + 294 + 295 CONJUNCTION = { + 296 TokenType.AND: exp.And, + 297 TokenType.OR: exp.Or, + 298 } + 299 + 300 EQUALITY = { + 301 TokenType.EQ: exp.EQ, + 302 TokenType.NEQ: exp.NEQ, + 303 TokenType.NULLSAFE_EQ: exp.NullSafeEQ, + 304 } + 305 + 306 COMPARISON = { + 307 TokenType.GT: exp.GT, + 308 TokenType.GTE: exp.GTE, + 309 TokenType.LT: exp.LT, + 310 TokenType.LTE: exp.LTE, + 311 } + 312 + 313 BITWISE = { + 314 TokenType.AMP: exp.BitwiseAnd, + 315 TokenType.CARET: exp.BitwiseXor, + 316 TokenType.PIPE: exp.BitwiseOr, + 317 TokenType.DPIPE: exp.DPipe, + 318 } + 319 + 320 TERM = { + 321 TokenType.DASH: exp.Sub, + 322 TokenType.PLUS: exp.Add, + 323 TokenType.MOD: exp.Mod, + 324 TokenType.COLLATE: exp.Collate, + 325 } + 326 + 327 FACTOR = { + 328 TokenType.DIV: exp.IntDiv, + 329 TokenType.LR_ARROW: exp.Distance, + 330 TokenType.SLASH: exp.Div, + 331 TokenType.STAR: exp.Mul, + 332 } + 333 + 334 TIMESTAMPS = { + 335 TokenType.TIME, + 336 TokenType.TIMESTAMP, + 337 TokenType.TIMESTAMPTZ, + 338 TokenType.TIMESTAMPLTZ, + 339 } + 340 + 341 SET_OPERATIONS = { + 342 TokenType.UNION, + 343 TokenType.INTERSECT, + 344 TokenType.EXCEPT, + 345 } + 346 + 347 JOIN_SIDES = { + 348 TokenType.LEFT, + 349 TokenType.RIGHT, + 350 TokenType.FULL, + 351 } + 352 + 353 JOIN_KINDS = { + 354 TokenType.INNER, + 355 TokenType.OUTER, + 356 TokenType.CROSS, + 357 TokenType.SEMI, + 358 TokenType.ANTI, + 359 } + 360 + 361 LAMBDAS = { + 362 TokenType.ARROW: lambda self, expressions: self.expression( + 363 exp.Lambda, + 364 this=self._parse_conjunction().transform( + 365 self._replace_lambda, {node.name for node in expressions} + 366 ), + 367 expressions=expressions, + 368 ), + 369 TokenType.FARROW: lambda self, expressions: self.expression( + 370 exp.Kwarg, + 371 this=exp.Var(this=expressions[0].name), + 372 expression=self._parse_conjunction(), + 373 ), + 374 } + 375 + 376 COLUMN_OPERATORS = { + 377 TokenType.DOT: None, + 378 TokenType.DCOLON: lambda self, this, to: self.expression( + 379 exp.Cast, 380 this=this, - 381 expression=path, + 381 to=to, 382 ), - 383 TokenType.HASH_ARROW: lambda self, this, path: self.expression( - 384 exp.JSONBExtract, + 383 TokenType.ARROW: lambda self, this, path: self.expression( + 384 exp.JSONExtract, 385 this=this, 386 expression=path, 387 ), - 388 TokenType.DHASH_ARROW: lambda self, this, path: self.expression( - 389 exp.JSONBExtractScalar, + 388 TokenType.DARROW: lambda self, this, path: self.expression( + 389 exp.JSONExtractScalar, 390 this=this, 391 expression=path, 392 ), - 393 TokenType.PLACEHOLDER: lambda self, this, key: self.expression( - 394 exp.JSONBContains, + 393 TokenType.HASH_ARROW: lambda self, this, path: self.expression( + 394 exp.JSONBExtract, 395 this=this, - 396 expression=key, + 396 expression=path, 397 ), - 398 } - 399 - 400 EXPRESSION_PARSERS = { - 401 exp.Column: lambda self: self._parse_column(), - 402 exp.DataType: lambda self: self._parse_types(), - 403 exp.From: lambda self: self._parse_from(), - 404 exp.Group: lambda self: self._parse_group(), - 405 exp.Identifier: lambda self: self._parse_id_var(), - 406 exp.Lateral: lambda self: self._parse_lateral(), - 407 exp.Join: lambda self: self._parse_join(), - 408 exp.Order: lambda self: self._parse_order(), - 409 exp.Cluster: lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster), - 410 exp.Sort: lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort), - 411 exp.Lambda: lambda self: self._parse_lambda(), - 412 exp.Limit: lambda self: self._parse_limit(), - 413 exp.Offset: lambda self: self._parse_offset(), - 414 exp.TableAlias: lambda self: self._parse_table_alias(), - 415 exp.Table: lambda self: self._parse_table(), - 416 exp.Condition: lambda self: self._parse_conjunction(), - 417 exp.Expression: lambda self: self._parse_statement(), - 418 exp.Properties: lambda self: self._parse_properties(), - 419 exp.Where: lambda self: self._parse_where(), - 420 exp.Ordered: lambda self: self._parse_ordered(), - 421 exp.Having: lambda self: self._parse_having(), - 422 exp.With: lambda self: self._parse_with(), - 423 exp.Window: lambda self: self._parse_named_window(), - 424 "JOIN_TYPE": lambda self: self._parse_join_side_and_kind(), - 425 } - 426 - 427 STATEMENT_PARSERS = { - 428 TokenType.ALTER: lambda self: self._parse_alter(), - 429 TokenType.BEGIN: lambda self: self._parse_transaction(), - 430 TokenType.CACHE: lambda self: self._parse_cache(), - 431 TokenType.COMMIT: lambda self: self._parse_commit_or_rollback(), - 432 TokenType.CREATE: lambda self: self._parse_create(), - 433 TokenType.DELETE: lambda self: self._parse_delete(), - 434 TokenType.DESC: lambda self: self._parse_describe(), - 435 TokenType.DESCRIBE: lambda self: self._parse_describe(), - 436 TokenType.DROP: lambda self: self._parse_drop(), - 437 TokenType.END: lambda self: self._parse_commit_or_rollback(), - 438 TokenType.INSERT: lambda self: self._parse_insert(), - 439 TokenType.LOAD_DATA: lambda self: self._parse_load_data(), - 440 TokenType.MERGE: lambda self: self._parse_merge(), - 441 TokenType.ROLLBACK: lambda self: self._parse_commit_or_rollback(), - 442 TokenType.UNCACHE: lambda self: self._parse_uncache(), - 443 TokenType.UPDATE: lambda self: self._parse_update(), - 444 TokenType.USE: lambda self: self.expression( - 445 exp.Use, - 446 kind=self._match_texts(("ROLE", "WAREHOUSE", "DATABASE", "SCHEMA")) - 447 and exp.Var(this=self._prev.text), - 448 this=self._parse_table(schema=False), - 449 ), - 450 } - 451 - 452 UNARY_PARSERS = { - 453 TokenType.PLUS: lambda self: self._parse_unary(), # Unary + is handled as a no-op - 454 TokenType.NOT: lambda self: self.expression(exp.Not, this=self._parse_equality()), - 455 TokenType.TILDA: lambda self: self.expression(exp.BitwiseNot, this=self._parse_unary()), - 456 TokenType.DASH: lambda self: self.expression(exp.Neg, this=self._parse_unary()), - 457 } - 458 - 459 PRIMARY_PARSERS = { - 460 TokenType.STRING: lambda self, token: self.expression( - 461 exp.Literal, this=token.text, is_string=True - 462 ), - 463 TokenType.NUMBER: lambda self, token: self.expression( - 464 exp.Literal, this=token.text, is_string=False - 465 ), - 466 TokenType.STAR: lambda self, _: self.expression( - 467 exp.Star, - 468 **{"except": self._parse_except(), "replace": self._parse_replace()}, - 469 ), - 470 TokenType.NULL: lambda self, _: self.expression(exp.Null), - 471 TokenType.TRUE: lambda self, _: self.expression(exp.Boolean, this=True), - 472 TokenType.FALSE: lambda self, _: self.expression(exp.Boolean, this=False), - 473 TokenType.BIT_STRING: lambda self, token: self.expression(exp.BitString, this=token.text), - 474 TokenType.HEX_STRING: lambda self, token: self.expression(exp.HexString, this=token.text), - 475 TokenType.BYTE_STRING: lambda self, token: self.expression(exp.ByteString, this=token.text), - 476 TokenType.INTRODUCER: lambda self, token: self._parse_introducer(token), - 477 TokenType.NATIONAL: lambda self, token: self._parse_national(token), - 478 TokenType.SESSION_PARAMETER: lambda self, _: self._parse_session_parameter(), - 479 } - 480 - 481 PLACEHOLDER_PARSERS = { - 482 TokenType.PLACEHOLDER: lambda self: self.expression(exp.Placeholder), - 483 TokenType.PARAMETER: lambda self: self._parse_parameter(), - 484 TokenType.COLON: lambda self: self.expression(exp.Placeholder, this=self._prev.text) - 485 if self._match_set((TokenType.NUMBER, TokenType.VAR)) - 486 else None, - 487 } - 488 - 489 RANGE_PARSERS = { - 490 TokenType.BETWEEN: lambda self, this: self._parse_between(this), - 491 TokenType.GLOB: lambda self, this: self._parse_escape( - 492 self.expression(exp.Glob, this=this, expression=self._parse_bitwise()) - 493 ), - 494 TokenType.IN: lambda self, this: self._parse_in(this), - 495 TokenType.IS: lambda self, this: self._parse_is(this), - 496 TokenType.LIKE: lambda self, this: self._parse_escape( - 497 self.expression(exp.Like, this=this, expression=self._parse_bitwise()) - 498 ), - 499 TokenType.ILIKE: lambda self, this: self._parse_escape( - 500 self.expression(exp.ILike, this=this, expression=self._parse_bitwise()) - 501 ), - 502 TokenType.IRLIKE: lambda self, this: self.expression( - 503 exp.RegexpILike, this=this, expression=self._parse_bitwise() + 398 TokenType.DHASH_ARROW: lambda self, this, path: self.expression( + 399 exp.JSONBExtractScalar, + 400 this=this, + 401 expression=path, + 402 ), + 403 TokenType.PLACEHOLDER: lambda self, this, key: self.expression( + 404 exp.JSONBContains, + 405 this=this, + 406 expression=key, + 407 ), + 408 } + 409 + 410 EXPRESSION_PARSERS = { + 411 exp.Column: lambda self: self._parse_column(), + 412 exp.DataType: lambda self: self._parse_types(), + 413 exp.From: lambda self: self._parse_from(), + 414 exp.Group: lambda self: self._parse_group(), + 415 exp.Identifier: lambda self: self._parse_id_var(), + 416 exp.Lateral: lambda self: self._parse_lateral(), + 417 exp.Join: lambda self: self._parse_join(), + 418 exp.Order: lambda self: self._parse_order(), + 419 exp.Cluster: lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster), + 420 exp.Sort: lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort), + 421 exp.Lambda: lambda self: self._parse_lambda(), + 422 exp.Limit: lambda self: self._parse_limit(), + 423 exp.Offset: lambda self: self._parse_offset(), + 424 exp.TableAlias: lambda self: self._parse_table_alias(), + 425 exp.Table: lambda self: self._parse_table(), + 426 exp.Condition: lambda self: self._parse_conjunction(), + 427 exp.Expression: lambda self: self._parse_statement(), + 428 exp.Properties: lambda self: self._parse_properties(), + 429 exp.Where: lambda self: self._parse_where(), + 430 exp.Ordered: lambda self: self._parse_ordered(), + 431 exp.Having: lambda self: self._parse_having(), + 432 exp.With: lambda self: self._parse_with(), + 433 exp.Window: lambda self: self._parse_named_window(), + 434 "JOIN_TYPE": lambda self: self._parse_join_side_and_kind(), + 435 } + 436 + 437 STATEMENT_PARSERS = { + 438 TokenType.ALTER: lambda self: self._parse_alter(), + 439 TokenType.BEGIN: lambda self: self._parse_transaction(), + 440 TokenType.CACHE: lambda self: self._parse_cache(), + 441 TokenType.COMMIT: lambda self: self._parse_commit_or_rollback(), + 442 TokenType.COMMENT: lambda self: self._parse_comment(), + 443 TokenType.CREATE: lambda self: self._parse_create(), + 444 TokenType.DELETE: lambda self: self._parse_delete(), + 445 TokenType.DESC: lambda self: self._parse_describe(), + 446 TokenType.DESCRIBE: lambda self: self._parse_describe(), + 447 TokenType.DROP: lambda self: self._parse_drop(), + 448 TokenType.END: lambda self: self._parse_commit_or_rollback(), + 449 TokenType.INSERT: lambda self: self._parse_insert(), + 450 TokenType.LOAD_DATA: lambda self: self._parse_load_data(), + 451 TokenType.MERGE: lambda self: self._parse_merge(), + 452 TokenType.ROLLBACK: lambda self: self._parse_commit_or_rollback(), + 453 TokenType.UNCACHE: lambda self: self._parse_uncache(), + 454 TokenType.UPDATE: lambda self: self._parse_update(), + 455 TokenType.USE: lambda self: self.expression( + 456 exp.Use, + 457 kind=self._match_texts(("ROLE", "WAREHOUSE", "DATABASE", "SCHEMA")) + 458 and exp.Var(this=self._prev.text), + 459 this=self._parse_table(schema=False), + 460 ), + 461 } + 462 + 463 UNARY_PARSERS = { + 464 TokenType.PLUS: lambda self: self._parse_unary(), # Unary + is handled as a no-op + 465 TokenType.NOT: lambda self: self.expression(exp.Not, this=self._parse_equality()), + 466 TokenType.TILDA: lambda self: self.expression(exp.BitwiseNot, this=self._parse_unary()), + 467 TokenType.DASH: lambda self: self.expression(exp.Neg, this=self._parse_unary()), + 468 } + 469 + 470 PRIMARY_PARSERS = { + 471 TokenType.STRING: lambda self, token: self.expression( + 472 exp.Literal, this=token.text, is_string=True + 473 ), + 474 TokenType.NUMBER: lambda self, token: self.expression( + 475 exp.Literal, this=token.text, is_string=False + 476 ), + 477 TokenType.STAR: lambda self, _: self.expression( + 478 exp.Star, + 479 **{"except": self._parse_except(), "replace": self._parse_replace()}, + 480 ), + 481 TokenType.NULL: lambda self, _: self.expression(exp.Null), + 482 TokenType.TRUE: lambda self, _: self.expression(exp.Boolean, this=True), + 483 TokenType.FALSE: lambda self, _: self.expression(exp.Boolean, this=False), + 484 TokenType.BIT_STRING: lambda self, token: self.expression(exp.BitString, this=token.text), + 485 TokenType.HEX_STRING: lambda self, token: self.expression(exp.HexString, this=token.text), + 486 TokenType.BYTE_STRING: lambda self, token: self.expression(exp.ByteString, this=token.text), + 487 TokenType.INTRODUCER: lambda self, token: self._parse_introducer(token), + 488 TokenType.NATIONAL: lambda self, token: self._parse_national(token), + 489 TokenType.SESSION_PARAMETER: lambda self, _: self._parse_session_parameter(), + 490 } + 491 + 492 PLACEHOLDER_PARSERS = { + 493 TokenType.PLACEHOLDER: lambda self: self.expression(exp.Placeholder), + 494 TokenType.PARAMETER: lambda self: self._parse_parameter(), + 495 TokenType.COLON: lambda self: self.expression(exp.Placeholder, this=self._prev.text) + 496 if self._match_set((TokenType.NUMBER, TokenType.VAR)) + 497 else None, + 498 } + 499 + 500 RANGE_PARSERS = { + 501 TokenType.BETWEEN: lambda self, this: self._parse_between(this), + 502 TokenType.GLOB: lambda self, this: self._parse_escape( + 503 self.expression(exp.Glob, this=this, expression=self._parse_bitwise()) 504 ), - 505 TokenType.RLIKE: lambda self, this: self.expression( - 506 exp.RegexpLike, this=this, expression=self._parse_bitwise() + 505 TokenType.OVERLAPS: lambda self, this: self._parse_escape( + 506 self.expression(exp.Overlaps, this=this, expression=self._parse_bitwise()) 507 ), - 508 TokenType.SIMILAR_TO: lambda self, this: self.expression( - 509 exp.SimilarTo, this=this, expression=self._parse_bitwise() - 510 ), - 511 } - 512 - 513 PROPERTY_PARSERS = { - 514 "AFTER": lambda self: self._parse_afterjournal( - 515 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" - 516 ), - 517 "ALGORITHM": lambda self: self._parse_property_assignment(exp.AlgorithmProperty), - 518 "AUTO_INCREMENT": lambda self: self._parse_property_assignment(exp.AutoIncrementProperty), - 519 "BEFORE": lambda self: self._parse_journal( - 520 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" + 508 TokenType.IN: lambda self, this: self._parse_in(this), + 509 TokenType.IS: lambda self, this: self._parse_is(this), + 510 TokenType.LIKE: lambda self, this: self._parse_escape( + 511 self.expression(exp.Like, this=this, expression=self._parse_bitwise()) + 512 ), + 513 TokenType.ILIKE: lambda self, this: self._parse_escape( + 514 self.expression(exp.ILike, this=this, expression=self._parse_bitwise()) + 515 ), + 516 TokenType.IRLIKE: lambda self, this: self.expression( + 517 exp.RegexpILike, this=this, expression=self._parse_bitwise() + 518 ), + 519 TokenType.RLIKE: lambda self, this: self.expression( + 520 exp.RegexpLike, this=this, expression=self._parse_bitwise() 521 ), - 522 "BLOCKCOMPRESSION": lambda self: self._parse_blockcompression(), - 523 "CHARACTER SET": lambda self: self._parse_character_set(), - 524 "CHECKSUM": lambda self: self._parse_checksum(), - 525 "CLUSTER BY": lambda self: self.expression( - 526 exp.Cluster, expressions=self._parse_csv(self._parse_ordered) - 527 ), - 528 "COLLATE": lambda self: self._parse_property_assignment(exp.CollateProperty), - 529 "COMMENT": lambda self: self._parse_property_assignment(exp.SchemaCommentProperty), - 530 "DATABLOCKSIZE": lambda self: self._parse_datablocksize( - 531 default=self._prev.text.upper() == "DEFAULT" - 532 ), - 533 "DEFINER": lambda self: self._parse_definer(), - 534 "DETERMINISTIC": lambda self: self.expression( - 535 exp.VolatilityProperty, this=exp.Literal.string("IMMUTABLE") - 536 ), - 537 "DISTKEY": lambda self: self._parse_distkey(), - 538 "DISTSTYLE": lambda self: self._parse_property_assignment(exp.DistStyleProperty), - 539 "EXECUTE": lambda self: self._parse_property_assignment(exp.ExecuteAsProperty), - 540 "EXTERNAL": lambda self: self.expression(exp.ExternalProperty), - 541 "FALLBACK": lambda self: self._parse_fallback(no=self._prev.text.upper() == "NO"), - 542 "FORMAT": lambda self: self._parse_property_assignment(exp.FileFormatProperty), - 543 "FREESPACE": lambda self: self._parse_freespace(), - 544 "GLOBAL": lambda self: self._parse_temporary(global_=True), - 545 "IMMUTABLE": lambda self: self.expression( - 546 exp.VolatilityProperty, this=exp.Literal.string("IMMUTABLE") - 547 ), - 548 "JOURNAL": lambda self: self._parse_journal( - 549 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" + 522 TokenType.SIMILAR_TO: lambda self, this: self.expression( + 523 exp.SimilarTo, this=this, expression=self._parse_bitwise() + 524 ), + 525 } + 526 + 527 PROPERTY_PARSERS = { + 528 "AFTER": lambda self: self._parse_afterjournal( + 529 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" + 530 ), + 531 "ALGORITHM": lambda self: self._parse_property_assignment(exp.AlgorithmProperty), + 532 "AUTO_INCREMENT": lambda self: self._parse_property_assignment(exp.AutoIncrementProperty), + 533 "BEFORE": lambda self: self._parse_journal( + 534 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" + 535 ), + 536 "BLOCKCOMPRESSION": lambda self: self._parse_blockcompression(), + 537 "CHARACTER SET": lambda self: self._parse_character_set(), + 538 "CHECKSUM": lambda self: self._parse_checksum(), + 539 "CLUSTER BY": lambda self: self.expression( + 540 exp.Cluster, expressions=self._parse_csv(self._parse_ordered) + 541 ), + 542 "COLLATE": lambda self: self._parse_property_assignment(exp.CollateProperty), + 543 "COMMENT": lambda self: self._parse_property_assignment(exp.SchemaCommentProperty), + 544 "DATABLOCKSIZE": lambda self: self._parse_datablocksize( + 545 default=self._prev.text.upper() == "DEFAULT" + 546 ), + 547 "DEFINER": lambda self: self._parse_definer(), + 548 "DETERMINISTIC": lambda self: self.expression( + 549 exp.VolatilityProperty, this=exp.Literal.string("IMMUTABLE") 550 ), - 551 "LANGUAGE": lambda self: self._parse_property_assignment(exp.LanguageProperty), - 552 "LIKE": lambda self: self._parse_create_like(), - 553 "LOCAL": lambda self: self._parse_afterjournal(no=False, dual=False, local=True), - 554 "LOCATION": lambda self: self._parse_property_assignment(exp.LocationProperty), - 555 "LOCK": lambda self: self._parse_locking(), - 556 "LOCKING": lambda self: self._parse_locking(), - 557 "LOG": lambda self: self._parse_log(no=self._prev.text.upper() == "NO"), - 558 "MATERIALIZED": lambda self: self.expression(exp.MaterializedProperty), - 559 "MAX": lambda self: self._parse_datablocksize(), - 560 "MAXIMUM": lambda self: self._parse_datablocksize(), - 561 "MERGEBLOCKRATIO": lambda self: self._parse_mergeblockratio( - 562 no=self._prev.text.upper() == "NO", default=self._prev.text.upper() == "DEFAULT" - 563 ), - 564 "MIN": lambda self: self._parse_datablocksize(), - 565 "MINIMUM": lambda self: self._parse_datablocksize(), - 566 "MULTISET": lambda self: self.expression(exp.SetProperty, multi=True), - 567 "NO": lambda self: self._parse_noprimaryindex(), - 568 "NOT": lambda self: self._parse_afterjournal(no=False, dual=False, local=False), - 569 "ON": lambda self: self._parse_oncommit(), - 570 "PARTITION BY": lambda self: self._parse_partitioned_by(), - 571 "PARTITIONED BY": lambda self: self._parse_partitioned_by(), - 572 "PARTITIONED_BY": lambda self: self._parse_partitioned_by(), - 573 "RETURNS": lambda self: self._parse_returns(), - 574 "ROW": lambda self: self._parse_row(), - 575 "SET": lambda self: self.expression(exp.SetProperty, multi=False), - 576 "SORTKEY": lambda self: self._parse_sortkey(), - 577 "STABLE": lambda self: self.expression( - 578 exp.VolatilityProperty, this=exp.Literal.string("STABLE") - 579 ), - 580 "STORED": lambda self: self._parse_property_assignment(exp.FileFormatProperty), - 581 "TABLE_FORMAT": lambda self: self._parse_property_assignment(exp.TableFormatProperty), - 582 "TBLPROPERTIES": lambda self: self._parse_wrapped_csv(self._parse_property), - 583 "TEMPORARY": lambda self: self._parse_temporary(global_=False), - 584 "TRANSIENT": lambda self: self.expression(exp.TransientProperty), - 585 "USING": lambda self: self._parse_property_assignment(exp.TableFormatProperty), - 586 "VOLATILE": lambda self: self.expression( - 587 exp.VolatilityProperty, this=exp.Literal.string("VOLATILE") - 588 ), - 589 "WITH": lambda self: self._parse_with_property(), - 590 } - 591 - 592 CONSTRAINT_PARSERS = { - 593 "AUTOINCREMENT": lambda self: self._parse_auto_increment(), - 594 "AUTO_INCREMENT": lambda self: self._parse_auto_increment(), - 595 "CASESPECIFIC": lambda self: self.expression(exp.CaseSpecificColumnConstraint, not_=False), - 596 "CHARACTER SET": lambda self: self.expression( - 597 exp.CharacterSetColumnConstraint, this=self._parse_var_or_string() - 598 ), - 599 "CHECK": lambda self: self.expression( - 600 exp.CheckColumnConstraint, this=self._parse_wrapped(self._parse_conjunction) - 601 ), - 602 "COLLATE": lambda self: self.expression( - 603 exp.CollateColumnConstraint, this=self._parse_var() - 604 ), - 605 "COMMENT": lambda self: self.expression( - 606 exp.CommentColumnConstraint, this=self._parse_string() - 607 ), - 608 "COMPRESS": lambda self: self._parse_compress(), - 609 "DEFAULT": lambda self: self.expression( - 610 exp.DefaultColumnConstraint, this=self._parse_bitwise() - 611 ), - 612 "ENCODE": lambda self: self.expression(exp.EncodeColumnConstraint, this=self._parse_var()), - 613 "FOREIGN KEY": lambda self: self._parse_foreign_key(), - 614 "FORMAT": lambda self: self.expression( - 615 exp.DateFormatColumnConstraint, this=self._parse_var_or_string() - 616 ), - 617 "GENERATED": lambda self: self._parse_generated_as_identity(), - 618 "IDENTITY": lambda self: self._parse_auto_increment(), - 619 "INLINE": lambda self: self._parse_inline(), - 620 "LIKE": lambda self: self._parse_create_like(), - 621 "NOT": lambda self: self._parse_not_constraint(), - 622 "NULL": lambda self: self.expression(exp.NotNullColumnConstraint, allow_null=True), - 623 "PATH": lambda self: self.expression(exp.PathColumnConstraint, this=self._parse_string()), - 624 "PRIMARY KEY": lambda self: self._parse_primary_key(), - 625 "TITLE": lambda self: self.expression( - 626 exp.TitleColumnConstraint, this=self._parse_var_or_string() - 627 ), - 628 "UNIQUE": lambda self: self._parse_unique(), - 629 "UPPERCASE": lambda self: self.expression(exp.UppercaseColumnConstraint), - 630 } - 631 - 632 SCHEMA_UNNAMED_CONSTRAINTS = {"CHECK", "FOREIGN KEY", "LIKE", "PRIMARY KEY", "UNIQUE"} - 633 - 634 NO_PAREN_FUNCTION_PARSERS = { - 635 TokenType.CASE: lambda self: self._parse_case(), - 636 TokenType.IF: lambda self: self._parse_if(), - 637 TokenType.ANY: lambda self: self.expression(exp.Any, this=self._parse_bitwise()), - 638 } - 639 - 640 FUNCTION_PARSERS: t.Dict[str, t.Callable] = { - 641 "CONVERT": lambda self: self._parse_convert(self.STRICT_CAST), - 642 "TRY_CONVERT": lambda self: self._parse_convert(False), - 643 "EXTRACT": lambda self: self._parse_extract(), - 644 "POSITION": lambda self: self._parse_position(), - 645 "SUBSTRING": lambda self: self._parse_substring(), - 646 "TRIM": lambda self: self._parse_trim(), - 647 "CAST": lambda self: self._parse_cast(self.STRICT_CAST), - 648 "TRY_CAST": lambda self: self._parse_cast(False), - 649 "STRING_AGG": lambda self: self._parse_string_agg(), - 650 } - 651 - 652 QUERY_MODIFIER_PARSERS = { - 653 "match": lambda self: self._parse_match_recognize(), - 654 "where": lambda self: self._parse_where(), - 655 "group": lambda self: self._parse_group(), - 656 "having": lambda self: self._parse_having(), - 657 "qualify": lambda self: self._parse_qualify(), - 658 "windows": lambda self: self._parse_window_clause(), - 659 "distribute": lambda self: self._parse_sort(TokenType.DISTRIBUTE_BY, exp.Distribute), - 660 "sort": lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort), - 661 "cluster": lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster), - 662 "order": lambda self: self._parse_order(), - 663 "limit": lambda self: self._parse_limit(), - 664 "offset": lambda self: self._parse_offset(), - 665 "lock": lambda self: self._parse_lock(), - 666 } - 667 - 668 SHOW_PARSERS: t.Dict[str, t.Callable] = {} - 669 SET_PARSERS: t.Dict[str, t.Callable] = {} - 670 - 671 MODIFIABLES = (exp.Subquery, exp.Subqueryable, exp.Table) - 672 - 673 CREATABLES = { - 674 TokenType.COLUMN, - 675 TokenType.FUNCTION, - 676 TokenType.INDEX, - 677 TokenType.PROCEDURE, - 678 TokenType.SCHEMA, - 679 TokenType.TABLE, - 680 TokenType.VIEW, - 681 } - 682 - 683 TRANSACTION_KIND = {"DEFERRED", "IMMEDIATE", "EXCLUSIVE"} - 684 - 685 INSERT_ALTERNATIVES = {"ABORT", "FAIL", "IGNORE", "REPLACE", "ROLLBACK"} - 686 - 687 WINDOW_ALIAS_TOKENS = ID_VAR_TOKENS - {TokenType.ROWS} - 688 - 689 ADD_CONSTRAINT_TOKENS = {TokenType.CONSTRAINT, TokenType.PRIMARY_KEY, TokenType.FOREIGN_KEY} - 690 - 691 STRICT_CAST = True + 551 "DISTKEY": lambda self: self._parse_distkey(), + 552 "DISTSTYLE": lambda self: self._parse_property_assignment(exp.DistStyleProperty), + 553 "EXECUTE": lambda self: self._parse_property_assignment(exp.ExecuteAsProperty), + 554 "EXTERNAL": lambda self: self.expression(exp.ExternalProperty), + 555 "FALLBACK": lambda self: self._parse_fallback(no=self._prev.text.upper() == "NO"), + 556 "FORMAT": lambda self: self._parse_property_assignment(exp.FileFormatProperty), + 557 "FREESPACE": lambda self: self._parse_freespace(), + 558 "GLOBAL": lambda self: self._parse_temporary(global_=True), + 559 "IMMUTABLE": lambda self: self.expression( + 560 exp.VolatilityProperty, this=exp.Literal.string("IMMUTABLE") + 561 ), + 562 "JOURNAL": lambda self: self._parse_journal( + 563 no=self._prev.text.upper() == "NO", dual=self._prev.text.upper() == "DUAL" + 564 ), + 565 "LANGUAGE": lambda self: self._parse_property_assignment(exp.LanguageProperty), + 566 "LIKE": lambda self: self._parse_create_like(), + 567 "LOCAL": lambda self: self._parse_afterjournal(no=False, dual=False, local=True), + 568 "LOCATION": lambda self: self._parse_property_assignment(exp.LocationProperty), + 569 "LOCK": lambda self: self._parse_locking(), + 570 "LOCKING": lambda self: self._parse_locking(), + 571 "LOG": lambda self: self._parse_log(no=self._prev.text.upper() == "NO"), + 572 "MATERIALIZED": lambda self: self.expression(exp.MaterializedProperty), + 573 "MAX": lambda self: self._parse_datablocksize(), + 574 "MAXIMUM": lambda self: self._parse_datablocksize(), + 575 "MERGEBLOCKRATIO": lambda self: self._parse_mergeblockratio( + 576 no=self._prev.text.upper() == "NO", default=self._prev.text.upper() == "DEFAULT" + 577 ), + 578 "MIN": lambda self: self._parse_datablocksize(), + 579 "MINIMUM": lambda self: self._parse_datablocksize(), + 580 "MULTISET": lambda self: self.expression(exp.SetProperty, multi=True), + 581 "NO": lambda self: self._parse_noprimaryindex(), + 582 "NOT": lambda self: self._parse_afterjournal(no=False, dual=False, local=False), + 583 "ON": lambda self: self._parse_oncommit(), + 584 "PARTITION BY": lambda self: self._parse_partitioned_by(), + 585 "PARTITIONED BY": lambda self: self._parse_partitioned_by(), + 586 "PARTITIONED_BY": lambda self: self._parse_partitioned_by(), + 587 "RETURNS": lambda self: self._parse_returns(), + 588 "ROW": lambda self: self._parse_row(), + 589 "SET": lambda self: self.expression(exp.SetProperty, multi=False), + 590 "SORTKEY": lambda self: self._parse_sortkey(), + 591 "STABLE": lambda self: self.expression( + 592 exp.VolatilityProperty, this=exp.Literal.string("STABLE") + 593 ), + 594 "STORED": lambda self: self._parse_property_assignment(exp.FileFormatProperty), + 595 "TABLE_FORMAT": lambda self: self._parse_property_assignment(exp.TableFormatProperty), + 596 "TBLPROPERTIES": lambda self: self._parse_wrapped_csv(self._parse_property), + 597 "TEMPORARY": lambda self: self._parse_temporary(global_=False), + 598 "TRANSIENT": lambda self: self.expression(exp.TransientProperty), + 599 "USING": lambda self: self._parse_property_assignment(exp.TableFormatProperty), + 600 "VOLATILE": lambda self: self.expression( + 601 exp.VolatilityProperty, this=exp.Literal.string("VOLATILE") + 602 ), + 603 "WITH": lambda self: self._parse_with_property(), + 604 } + 605 + 606 CONSTRAINT_PARSERS = { + 607 "AUTOINCREMENT": lambda self: self._parse_auto_increment(), + 608 "AUTO_INCREMENT": lambda self: self._parse_auto_increment(), + 609 "CASESPECIFIC": lambda self: self.expression(exp.CaseSpecificColumnConstraint, not_=False), + 610 "CHARACTER SET": lambda self: self.expression( + 611 exp.CharacterSetColumnConstraint, this=self._parse_var_or_string() + 612 ), + 613 "CHECK": lambda self: self.expression( + 614 exp.CheckColumnConstraint, this=self._parse_wrapped(self._parse_conjunction) + 615 ), + 616 "COLLATE": lambda self: self.expression( + 617 exp.CollateColumnConstraint, this=self._parse_var() + 618 ), + 619 "COMMENT": lambda self: self.expression( + 620 exp.CommentColumnConstraint, this=self._parse_string() + 621 ), + 622 "COMPRESS": lambda self: self._parse_compress(), + 623 "DEFAULT": lambda self: self.expression( + 624 exp.DefaultColumnConstraint, this=self._parse_bitwise() + 625 ), + 626 "ENCODE": lambda self: self.expression(exp.EncodeColumnConstraint, this=self._parse_var()), + 627 "FOREIGN KEY": lambda self: self._parse_foreign_key(), + 628 "FORMAT": lambda self: self.expression( + 629 exp.DateFormatColumnConstraint, this=self._parse_var_or_string() + 630 ), + 631 "GENERATED": lambda self: self._parse_generated_as_identity(), + 632 "IDENTITY": lambda self: self._parse_auto_increment(), + 633 "INLINE": lambda self: self._parse_inline(), + 634 "LIKE": lambda self: self._parse_create_like(), + 635 "NOT": lambda self: self._parse_not_constraint(), + 636 "NULL": lambda self: self.expression(exp.NotNullColumnConstraint, allow_null=True), + 637 "PATH": lambda self: self.expression(exp.PathColumnConstraint, this=self._parse_string()), + 638 "PRIMARY KEY": lambda self: self._parse_primary_key(), + 639 "TITLE": lambda self: self.expression( + 640 exp.TitleColumnConstraint, this=self._parse_var_or_string() + 641 ), + 642 "UNIQUE": lambda self: self._parse_unique(), + 643 "UPPERCASE": lambda self: self.expression(exp.UppercaseColumnConstraint), + 644 } + 645 + 646 ALTER_PARSERS = { + 647 "ADD": lambda self: self._parse_alter_table_add(), + 648 "ALTER": lambda self: self._parse_alter_table_alter(), + 649 "DELETE": lambda self: self.expression(exp.Delete, where=self._parse_where()), + 650 "DROP": lambda self: self._parse_alter_table_drop(), + 651 "RENAME": lambda self: self._parse_alter_table_rename(), + 652 } + 653 + 654 SCHEMA_UNNAMED_CONSTRAINTS = {"CHECK", "FOREIGN KEY", "LIKE", "PRIMARY KEY", "UNIQUE"} + 655 + 656 NO_PAREN_FUNCTION_PARSERS = { + 657 TokenType.CASE: lambda self: self._parse_case(), + 658 TokenType.IF: lambda self: self._parse_if(), + 659 TokenType.ANY: lambda self: self.expression(exp.Any, this=self._parse_bitwise()), + 660 } + 661 + 662 FUNCTION_PARSERS: t.Dict[str, t.Callable] = { + 663 "CONVERT": lambda self: self._parse_convert(self.STRICT_CAST), + 664 "TRY_CONVERT": lambda self: self._parse_convert(False), + 665 "EXTRACT": lambda self: self._parse_extract(), + 666 "POSITION": lambda self: self._parse_position(), + 667 "SUBSTRING": lambda self: self._parse_substring(), + 668 "TRIM": lambda self: self._parse_trim(), + 669 "CAST": lambda self: self._parse_cast(self.STRICT_CAST), + 670 "TRY_CAST": lambda self: self._parse_cast(False), + 671 "STRING_AGG": lambda self: self._parse_string_agg(), + 672 } + 673 + 674 QUERY_MODIFIER_PARSERS = { + 675 "match": lambda self: self._parse_match_recognize(), + 676 "where": lambda self: self._parse_where(), + 677 "group": lambda self: self._parse_group(), + 678 "having": lambda self: self._parse_having(), + 679 "qualify": lambda self: self._parse_qualify(), + 680 "windows": lambda self: self._parse_window_clause(), + 681 "distribute": lambda self: self._parse_sort(TokenType.DISTRIBUTE_BY, exp.Distribute), + 682 "sort": lambda self: self._parse_sort(TokenType.SORT_BY, exp.Sort), + 683 "cluster": lambda self: self._parse_sort(TokenType.CLUSTER_BY, exp.Cluster), + 684 "order": lambda self: self._parse_order(), + 685 "limit": lambda self: self._parse_limit(), + 686 "offset": lambda self: self._parse_offset(), + 687 "lock": lambda self: self._parse_lock(), + 688 } + 689 + 690 SHOW_PARSERS: t.Dict[str, t.Callable] = {} + 691 SET_PARSERS: t.Dict[str, t.Callable] = {} 692 - 693 __slots__ = ( - 694 "error_level", - 695 "error_message_context", - 696 "sql", - 697 "errors", - 698 "index_offset", - 699 "unnest_column_only", - 700 "alias_post_tablesample", - 701 "max_errors", - 702 "null_ordering", - 703 "_tokens", - 704 "_index", - 705 "_curr", - 706 "_next", - 707 "_prev", - 708 "_prev_comments", - 709 "_show_trie", - 710 "_set_trie", - 711 ) - 712 - 713 def __init__( - 714 self, - 715 error_level: t.Optional[ErrorLevel] = None, - 716 error_message_context: int = 100, - 717 index_offset: int = 0, - 718 unnest_column_only: bool = False, - 719 alias_post_tablesample: bool = False, - 720 max_errors: int = 3, - 721 null_ordering: t.Optional[str] = None, - 722 ): - 723 self.error_level = error_level or ErrorLevel.IMMEDIATE - 724 self.error_message_context = error_message_context - 725 self.index_offset = index_offset - 726 self.unnest_column_only = unnest_column_only - 727 self.alias_post_tablesample = alias_post_tablesample - 728 self.max_errors = max_errors - 729 self.null_ordering = null_ordering - 730 self.reset() - 731 - 732 def reset(self): - 733 self.sql = "" - 734 self.errors = [] - 735 self._tokens = [] - 736 self._index = 0 - 737 self._curr = None - 738 self._next = None - 739 self._prev = None - 740 self._prev_comments = None - 741 - 742 def parse( - 743 self, raw_tokens: t.List[Token], sql: t.Optional[str] = None - 744 ) -> t.List[t.Optional[exp.Expression]]: - 745 """ - 746 Parses a list of tokens and returns a list of syntax trees, one tree - 747 per parsed SQL statement. - 748 - 749 Args: - 750 raw_tokens: the list of tokens. - 751 sql: the original SQL string, used to produce helpful debug messages. - 752 - 753 Returns: - 754 The list of syntax trees. - 755 """ - 756 return self._parse( - 757 parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql - 758 ) - 759 - 760 def parse_into( - 761 self, - 762 expression_types: exp.IntoType, - 763 raw_tokens: t.List[Token], - 764 sql: t.Optional[str] = None, - 765 ) -> t.List[t.Optional[exp.Expression]]: - 766 """ - 767 Parses a list of tokens into a given Expression type. If a collection of Expression - 768 types is given instead, this method will try to parse the token list into each one - 769 of them, stopping at the first for which the parsing succeeds. - 770 - 771 Args: - 772 expression_types: the expression type(s) to try and parse the token list into. - 773 raw_tokens: the list of tokens. - 774 sql: the original SQL string, used to produce helpful debug messages. - 775 - 776 Returns: - 777 The target Expression. - 778 """ - 779 errors = [] - 780 for expression_type in ensure_collection(expression_types): - 781 parser = self.EXPRESSION_PARSERS.get(expression_type) - 782 if not parser: - 783 raise TypeError(f"No parser registered for {expression_type}") - 784 try: - 785 return self._parse(parser, raw_tokens, sql) - 786 except ParseError as e: - 787 e.errors[0]["into_expression"] = expression_type - 788 errors.append(e) - 789 raise ParseError( - 790 f"Failed to parse into {expression_types}", - 791 errors=merge_errors(errors), - 792 ) from errors[-1] - 793 - 794 def _parse( - 795 self, - 796 parse_method: t.Callable[[Parser], t.Optional[exp.Expression]], - 797 raw_tokens: t.List[Token], - 798 sql: t.Optional[str] = None, - 799 ) -> t.List[t.Optional[exp.Expression]]: - 800 self.reset() - 801 self.sql = sql or "" - 802 total = len(raw_tokens) - 803 chunks: t.List[t.List[Token]] = [[]] - 804 - 805 for i, token in enumerate(raw_tokens): - 806 if token.token_type == TokenType.SEMICOLON: - 807 if i < total - 1: - 808 chunks.append([]) - 809 else: - 810 chunks[-1].append(token) - 811 - 812 expressions = [] - 813 - 814 for tokens in chunks: - 815 self._index = -1 - 816 self._tokens = tokens - 817 self._advance() - 818 - 819 expressions.append(parse_method(self)) - 820 - 821 if self._index < len(self._tokens): - 822 self.raise_error("Invalid expression / Unexpected token") + 693 MODIFIABLES = (exp.Subquery, exp.Subqueryable, exp.Table) + 694 + 695 TRANSACTION_KIND = {"DEFERRED", "IMMEDIATE", "EXCLUSIVE"} + 696 + 697 INSERT_ALTERNATIVES = {"ABORT", "FAIL", "IGNORE", "REPLACE", "ROLLBACK"} + 698 + 699 WINDOW_ALIAS_TOKENS = ID_VAR_TOKENS - {TokenType.ROWS} + 700 + 701 ADD_CONSTRAINT_TOKENS = {TokenType.CONSTRAINT, TokenType.PRIMARY_KEY, TokenType.FOREIGN_KEY} + 702 + 703 STRICT_CAST = True + 704 + 705 __slots__ = ( + 706 "error_level", + 707 "error_message_context", + 708 "sql", + 709 "errors", + 710 "index_offset", + 711 "unnest_column_only", + 712 "alias_post_tablesample", + 713 "max_errors", + 714 "null_ordering", + 715 "_tokens", + 716 "_index", + 717 "_curr", + 718 "_next", + 719 "_prev", + 720 "_prev_comments", + 721 "_show_trie", + 722 "_set_trie", + 723 ) + 724 + 725 def __init__( + 726 self, + 727 error_level: t.Optional[ErrorLevel] = None, + 728 error_message_context: int = 100, + 729 index_offset: int = 0, + 730 unnest_column_only: bool = False, + 731 alias_post_tablesample: bool = False, + 732 max_errors: int = 3, + 733 null_ordering: t.Optional[str] = None, + 734 ): + 735 self.error_level = error_level or ErrorLevel.IMMEDIATE + 736 self.error_message_context = error_message_context + 737 self.index_offset = index_offset + 738 self.unnest_column_only = unnest_column_only + 739 self.alias_post_tablesample = alias_post_tablesample + 740 self.max_errors = max_errors + 741 self.null_ordering = null_ordering + 742 self.reset() + 743 + 744 def reset(self): + 745 self.sql = "" + 746 self.errors = [] + 747 self._tokens = [] + 748 self._index = 0 + 749 self._curr = None + 750 self._next = None + 751 self._prev = None + 752 self._prev_comments = None + 753 + 754 def parse( + 755 self, raw_tokens: t.List[Token], sql: t.Optional[str] = None + 756 ) -> t.List[t.Optional[exp.Expression]]: + 757 """ + 758 Parses a list of tokens and returns a list of syntax trees, one tree + 759 per parsed SQL statement. + 760 + 761 Args: + 762 raw_tokens: the list of tokens. + 763 sql: the original SQL string, used to produce helpful debug messages. + 764 + 765 Returns: + 766 The list of syntax trees. + 767 """ + 768 return self._parse( + 769 parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql + 770 ) + 771 + 772 def parse_into( + 773 self, + 774 expression_types: exp.IntoType, + 775 raw_tokens: t.List[Token], + 776 sql: t.Optional[str] = None, + 777 ) -> t.List[t.Optional[exp.Expression]]: + 778 """ + 779 Parses a list of tokens into a given Expression type. If a collection of Expression + 780 types is given instead, this method will try to parse the token list into each one + 781 of them, stopping at the first for which the parsing succeeds. + 782 + 783 Args: + 784 expression_types: the expression type(s) to try and parse the token list into. + 785 raw_tokens: the list of tokens. + 786 sql: the original SQL string, used to produce helpful debug messages. + 787 + 788 Returns: + 789 The target Expression. + 790 """ + 791 errors = [] + 792 for expression_type in ensure_collection(expression_types): + 793 parser = self.EXPRESSION_PARSERS.get(expression_type) + 794 if not parser: + 795 raise TypeError(f"No parser registered for {expression_type}") + 796 try: + 797 return self._parse(parser, raw_tokens, sql) + 798 except ParseError as e: + 799 e.errors[0]["into_expression"] = expression_type + 800 errors.append(e) + 801 raise ParseError( + 802 f"Failed to parse into {expression_types}", + 803 errors=merge_errors(errors), + 804 ) from errors[-1] + 805 + 806 def _parse( + 807 self, + 808 parse_method: t.Callable[[Parser], t.Optional[exp.Expression]], + 809 raw_tokens: t.List[Token], + 810 sql: t.Optional[str] = None, + 811 ) -> t.List[t.Optional[exp.Expression]]: + 812 self.reset() + 813 self.sql = sql or "" + 814 total = len(raw_tokens) + 815 chunks: t.List[t.List[Token]] = [[]] + 816 + 817 for i, token in enumerate(raw_tokens): + 818 if token.token_type == TokenType.SEMICOLON: + 819 if i < total - 1: + 820 chunks.append([]) + 821 else: + 822 chunks[-1].append(token) 823 - 824 self.check_errors() + 824 expressions = [] 825 - 826 return expressions - 827 - 828 def check_errors(self) -> None: - 829 """ - 830 Logs or raises any found errors, depending on the chosen error level setting. - 831 """ - 832 if self.error_level == ErrorLevel.WARN: - 833 for error in self.errors: - 834 logger.error(str(error)) - 835 elif self.error_level == ErrorLevel.RAISE and self.errors: - 836 raise ParseError( - 837 concat_messages(self.errors, self.max_errors), - 838 errors=merge_errors(self.errors), - 839 ) - 840 - 841 def raise_error(self, message: str, token: t.Optional[Token] = None) -> None: - 842 """ - 843 Appends an error in the list of recorded errors or raises it, depending on the chosen - 844 error level setting. - 845 """ - 846 token = token or self._curr or self._prev or Token.string("") - 847 start = self._find_token(token) - 848 end = start + len(token.text) - 849 start_context = self.sql[max(start - self.error_message_context, 0) : start] - 850 highlight = self.sql[start:end] - 851 end_context = self.sql[end : end + self.error_message_context] + 826 for tokens in chunks: + 827 self._index = -1 + 828 self._tokens = tokens + 829 self._advance() + 830 + 831 expressions.append(parse_method(self)) + 832 + 833 if self._index < len(self._tokens): + 834 self.raise_error("Invalid expression / Unexpected token") + 835 + 836 self.check_errors() + 837 + 838 return expressions + 839 + 840 def check_errors(self) -> None: + 841 """ + 842 Logs or raises any found errors, depending on the chosen error level setting. + 843 """ + 844 if self.error_level == ErrorLevel.WARN: + 845 for error in self.errors: + 846 logger.error(str(error)) + 847 elif self.error_level == ErrorLevel.RAISE and self.errors: + 848 raise ParseError( + 849 concat_messages(self.errors, self.max_errors), + 850 errors=merge_errors(self.errors), + 851 ) 852 - 853 error = ParseError.new( - 854 f"{message}. Line {token.line}, Col: {token.col}.\n" - 855 f" {start_context}\033[4m{highlight}\033[0m{end_context}", - 856 description=message, - 857 line=token.line, - 858 col=token.col, - 859 start_context=start_context, - 860 highlight=highlight, - 861 end_context=end_context, - 862 ) - 863 - 864 if self.error_level == ErrorLevel.IMMEDIATE: - 865 raise error - 866 - 867 self.errors.append(error) - 868 - 869 def expression( - 870 self, exp_class: t.Type[exp.Expression], comments: t.Optional[t.List[str]] = None, **kwargs - 871 ) -> exp.Expression: - 872 """ - 873 Creates a new, validated Expression. - 874 - 875 Args: - 876 exp_class: the expression class to instantiate. - 877 comments: an optional list of comments to attach to the expression. - 878 kwargs: the arguments to set for the expression along with their respective values. - 879 - 880 Returns: - 881 The target expression. - 882 """ - 883 instance = exp_class(**kwargs) - 884 if self._prev_comments: - 885 instance.comments = self._prev_comments - 886 self._prev_comments = None - 887 if comments: - 888 instance.comments = comments - 889 self.validate_expression(instance) - 890 return instance + 853 def raise_error(self, message: str, token: t.Optional[Token] = None) -> None: + 854 """ + 855 Appends an error in the list of recorded errors or raises it, depending on the chosen + 856 error level setting. + 857 """ + 858 token = token or self._curr or self._prev or Token.string("") + 859 start = self._find_token(token) + 860 end = start + len(token.text) + 861 start_context = self.sql[max(start - self.error_message_context, 0) : start] + 862 highlight = self.sql[start:end] + 863 end_context = self.sql[end : end + self.error_message_context] + 864 + 865 error = ParseError.new( + 866 f"{message}. Line {token.line}, Col: {token.col}.\n" + 867 f" {start_context}\033[4m{highlight}\033[0m{end_context}", + 868 description=message, + 869 line=token.line, + 870 col=token.col, + 871 start_context=start_context, + 872 highlight=highlight, + 873 end_context=end_context, + 874 ) + 875 + 876 if self.error_level == ErrorLevel.IMMEDIATE: + 877 raise error + 878 + 879 self.errors.append(error) + 880 + 881 def expression( + 882 self, exp_class: t.Type[exp.Expression], comments: t.Optional[t.List[str]] = None, **kwargs + 883 ) -> exp.Expression: + 884 """ + 885 Creates a new, validated Expression. + 886 + 887 Args: + 888 exp_class: the expression class to instantiate. + 889 comments: an optional list of comments to attach to the expression. + 890 kwargs: the arguments to set for the expression along with their respective values. 891 - 892 def validate_expression( - 893 self, expression: exp.Expression, args: t.Optional[t.List] = None - 894 ) -> None: - 895 """ - 896 Validates an already instantiated expression, making sure that all its mandatory arguments - 897 are set. - 898 - 899 Args: - 900 expression: the expression to validate. - 901 args: an optional list of items that was used to instantiate the expression, if it's a Func. - 902 """ - 903 if self.error_level == ErrorLevel.IGNORE: - 904 return - 905 - 906 for error_message in expression.error_messages(args): - 907 self.raise_error(error_message) - 908 - 909 def _find_sql(self, start: Token, end: Token) -> str: - 910 return self.sql[self._find_token(start) : self._find_token(end) + len(end.text)] - 911 - 912 def _find_token(self, token: Token) -> int: - 913 line = 1 - 914 col = 1 - 915 index = 0 - 916 - 917 while line < token.line or col < token.col: - 918 if Tokenizer.WHITE_SPACE.get(self.sql[index]) == TokenType.BREAK: - 919 line += 1 - 920 col = 1 - 921 else: - 922 col += 1 - 923 index += 1 - 924 - 925 return index - 926 - 927 def _advance(self, times: int = 1) -> None: - 928 self._index += times - 929 self._curr = seq_get(self._tokens, self._index) - 930 self._next = seq_get(self._tokens, self._index + 1) - 931 if self._index > 0: - 932 self._prev = self._tokens[self._index - 1] - 933 self._prev_comments = self._prev.comments - 934 else: - 935 self._prev = None - 936 self._prev_comments = None - 937 - 938 def _retreat(self, index: int) -> None: - 939 self._advance(index - self._index) - 940 - 941 def _parse_command(self) -> exp.Expression: - 942 return self.expression(exp.Command, this=self._prev.text, expression=self._parse_string()) - 943 - 944 def _parse_statement(self) -> t.Optional[exp.Expression]: - 945 if self._curr is None: - 946 return None - 947 - 948 if self._match_set(self.STATEMENT_PARSERS): - 949 return self.STATEMENT_PARSERS[self._prev.token_type](self) - 950 - 951 if self._match_set(Tokenizer.COMMANDS): - 952 return self._parse_command() - 953 - 954 expression = self._parse_expression() - 955 expression = self._parse_set_operations(expression) if expression else self._parse_select() - 956 - 957 self._parse_query_modifiers(expression) - 958 return expression + 892 Returns: + 893 The target expression. + 894 """ + 895 instance = exp_class(**kwargs) + 896 if self._prev_comments: + 897 instance.comments = self._prev_comments + 898 self._prev_comments = None + 899 if comments: + 900 instance.comments = comments + 901 self.validate_expression(instance) + 902 return instance + 903 + 904 def validate_expression( + 905 self, expression: exp.Expression, args: t.Optional[t.List] = None + 906 ) -> None: + 907 """ + 908 Validates an already instantiated expression, making sure that all its mandatory arguments + 909 are set. + 910 + 911 Args: + 912 expression: the expression to validate. + 913 args: an optional list of items that was used to instantiate the expression, if it's a Func. + 914 """ + 915 if self.error_level == ErrorLevel.IGNORE: + 916 return + 917 + 918 for error_message in expression.error_messages(args): + 919 self.raise_error(error_message) + 920 + 921 def _find_sql(self, start: Token, end: Token) -> str: + 922 return self.sql[self._find_token(start) : self._find_token(end) + len(end.text)] + 923 + 924 def _find_token(self, token: Token) -> int: + 925 line = 1 + 926 col = 1 + 927 index = 0 + 928 + 929 while line < token.line or col < token.col: + 930 if Tokenizer.WHITE_SPACE.get(self.sql[index]) == TokenType.BREAK: + 931 line += 1 + 932 col = 1 + 933 else: + 934 col += 1 + 935 index += 1 + 936 + 937 return index + 938 + 939 def _advance(self, times: int = 1) -> None: + 940 self._index += times + 941 self._curr = seq_get(self._tokens, self._index) + 942 self._next = seq_get(self._tokens, self._index + 1) + 943 if self._index > 0: + 944 self._prev = self._tokens[self._index - 1] + 945 self._prev_comments = self._prev.comments + 946 else: + 947 self._prev = None + 948 self._prev_comments = None + 949 + 950 def _retreat(self, index: int) -> None: + 951 self._advance(index - self._index) + 952 + 953 def _parse_command(self) -> exp.Expression: + 954 return self.expression(exp.Command, this=self._prev.text, expression=self._parse_string()) + 955 + 956 def _parse_comment(self, allow_exists: bool = True) -> exp.Expression: + 957 start = self._prev + 958 exists = self._parse_exists() if allow_exists else None 959 - 960 def _parse_drop(self, default_kind: t.Optional[str] = None) -> t.Optional[exp.Expression]: - 961 start = self._prev - 962 temporary = self._match(TokenType.TEMPORARY) - 963 materialized = self._match(TokenType.MATERIALIZED) - 964 kind = self._match_set(self.CREATABLES) and self._prev.text - 965 if not kind: - 966 if default_kind: - 967 kind = default_kind - 968 else: - 969 return self._parse_as_command(start) - 970 - 971 return self.expression( - 972 exp.Drop, - 973 exists=self._parse_exists(), - 974 this=self._parse_table(schema=True), - 975 kind=kind, - 976 temporary=temporary, - 977 materialized=materialized, - 978 cascade=self._match(TokenType.CASCADE), - 979 ) - 980 - 981 def _parse_exists(self, not_: bool = False) -> t.Optional[bool]: - 982 return ( - 983 self._match(TokenType.IF) - 984 and (not not_ or self._match(TokenType.NOT)) - 985 and self._match(TokenType.EXISTS) - 986 ) - 987 - 988 def _parse_create(self) -> t.Optional[exp.Expression]: - 989 start = self._prev - 990 replace = self._prev.text.upper() == "REPLACE" or self._match_pair( - 991 TokenType.OR, TokenType.REPLACE - 992 ) - 993 unique = self._match(TokenType.UNIQUE) + 960 self._match(TokenType.ON) + 961 + 962 kind = self._match_set(self.CREATABLES) and self._prev + 963 + 964 if not kind: + 965 return self._parse_as_command(start) + 966 + 967 if kind.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE): + 968 this = self._parse_user_defined_function(kind=kind.token_type) + 969 elif kind.token_type == TokenType.TABLE: + 970 this = self._parse_table() + 971 elif kind.token_type == TokenType.COLUMN: + 972 this = self._parse_column() + 973 else: + 974 this = self._parse_id_var() + 975 + 976 self._match(TokenType.IS) + 977 + 978 return self.expression( + 979 exp.Comment, this=this, kind=kind.text, expression=self._parse_string(), exists=exists + 980 ) + 981 + 982 def _parse_statement(self) -> t.Optional[exp.Expression]: + 983 if self._curr is None: + 984 return None + 985 + 986 if self._match_set(self.STATEMENT_PARSERS): + 987 return self.STATEMENT_PARSERS[self._prev.token_type](self) + 988 + 989 if self._match_set(Tokenizer.COMMANDS): + 990 return self._parse_command() + 991 + 992 expression = self._parse_expression() + 993 expression = self._parse_set_operations(expression) if expression else self._parse_select() 994 - 995 if self._match_pair(TokenType.TABLE, TokenType.FUNCTION, advance=False): - 996 self._match(TokenType.TABLE) + 995 self._parse_query_modifiers(expression) + 996 return expression 997 - 998 properties = None - 999 create_token = self._match_set(self.CREATABLES) and self._prev -1000 -1001 if not create_token: -1002 properties = self._parse_properties() # exp.Properties.Location.POST_CREATE -1003 create_token = self._match_set(self.CREATABLES) and self._prev -1004 -1005 if not properties or not create_token: -1006 return self._parse_as_command(start) -1007 -1008 exists = self._parse_exists(not_=True) -1009 this = None -1010 expression = None -1011 indexes = None -1012 no_schema_binding = None -1013 begin = None -1014 -1015 if create_token.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE): -1016 this = self._parse_user_defined_function(kind=create_token.token_type) -1017 temp_properties = self._parse_properties() -1018 if properties and temp_properties: -1019 properties.expressions.extend(temp_properties.expressions) -1020 elif temp_properties: -1021 properties = temp_properties -1022 -1023 self._match(TokenType.ALIAS) -1024 begin = self._match(TokenType.BEGIN) -1025 return_ = self._match_text_seq("RETURN") -1026 expression = self._parse_statement() -1027 -1028 if return_: -1029 expression = self.expression(exp.Return, this=expression) -1030 elif create_token.token_type == TokenType.INDEX: -1031 this = self._parse_index() -1032 elif create_token.token_type in ( -1033 TokenType.TABLE, -1034 TokenType.VIEW, -1035 TokenType.SCHEMA, -1036 ): -1037 table_parts = self._parse_table_parts(schema=True) -1038 -1039 # exp.Properties.Location.POST_NAME -1040 if self._match(TokenType.COMMA): -1041 temp_properties = self._parse_properties(before=True) -1042 if properties and temp_properties: -1043 properties.expressions.extend(temp_properties.expressions) -1044 elif temp_properties: -1045 properties = temp_properties + 998 def _parse_drop(self, default_kind: t.Optional[str] = None) -> t.Optional[exp.Expression]: + 999 start = self._prev +1000 temporary = self._match(TokenType.TEMPORARY) +1001 materialized = self._match(TokenType.MATERIALIZED) +1002 kind = self._match_set(self.CREATABLES) and self._prev.text +1003 if not kind: +1004 if default_kind: +1005 kind = default_kind +1006 else: +1007 return self._parse_as_command(start) +1008 +1009 return self.expression( +1010 exp.Drop, +1011 exists=self._parse_exists(), +1012 this=self._parse_table(schema=True), +1013 kind=kind, +1014 temporary=temporary, +1015 materialized=materialized, +1016 cascade=self._match(TokenType.CASCADE), +1017 ) +1018 +1019 def _parse_exists(self, not_: bool = False) -> t.Optional[bool]: +1020 return ( +1021 self._match(TokenType.IF) +1022 and (not not_ or self._match(TokenType.NOT)) +1023 and self._match(TokenType.EXISTS) +1024 ) +1025 +1026 def _parse_create(self) -> t.Optional[exp.Expression]: +1027 start = self._prev +1028 replace = self._prev.text.upper() == "REPLACE" or self._match_pair( +1029 TokenType.OR, TokenType.REPLACE +1030 ) +1031 unique = self._match(TokenType.UNIQUE) +1032 volatile = self._match(TokenType.VOLATILE) +1033 +1034 if self._match_pair(TokenType.TABLE, TokenType.FUNCTION, advance=False): +1035 self._match(TokenType.TABLE) +1036 +1037 properties = None +1038 create_token = self._match_set(self.CREATABLES) and self._prev +1039 +1040 if not create_token: +1041 properties = self._parse_properties() # exp.Properties.Location.POST_CREATE +1042 create_token = self._match_set(self.CREATABLES) and self._prev +1043 +1044 if not properties or not create_token: +1045 return self._parse_as_command(start) 1046 -1047 this = self._parse_schema(this=table_parts) -1048 -1049 # exp.Properties.Location.POST_SCHEMA and POST_WITH -1050 temp_properties = self._parse_properties() -1051 if properties and temp_properties: -1052 properties.expressions.extend(temp_properties.expressions) -1053 elif temp_properties: -1054 properties = temp_properties -1055 -1056 self._match(TokenType.ALIAS) -1057 -1058 # exp.Properties.Location.POST_ALIAS -1059 if not ( -1060 self._match(TokenType.SELECT, advance=False) -1061 or self._match(TokenType.WITH, advance=False) -1062 or self._match(TokenType.L_PAREN, advance=False) -1063 ): -1064 temp_properties = self._parse_properties() -1065 if properties and temp_properties: -1066 properties.expressions.extend(temp_properties.expressions) -1067 elif temp_properties: -1068 properties = temp_properties -1069 -1070 expression = self._parse_ddl_select() -1071 -1072 if create_token.token_type == TokenType.TABLE: -1073 # exp.Properties.Location.POST_EXPRESSION -1074 temp_properties = self._parse_properties() -1075 if properties and temp_properties: -1076 properties.expressions.extend(temp_properties.expressions) -1077 elif temp_properties: -1078 properties = temp_properties -1079 -1080 indexes = [] -1081 while True: -1082 index = self._parse_create_table_index() +1047 exists = self._parse_exists(not_=True) +1048 this = None +1049 expression = None +1050 indexes = None +1051 no_schema_binding = None +1052 begin = None +1053 +1054 if create_token.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE): +1055 this = self._parse_user_defined_function(kind=create_token.token_type) +1056 temp_properties = self._parse_properties() +1057 if properties and temp_properties: +1058 properties.expressions.extend(temp_properties.expressions) +1059 elif temp_properties: +1060 properties = temp_properties +1061 +1062 self._match(TokenType.ALIAS) +1063 begin = self._match(TokenType.BEGIN) +1064 return_ = self._match_text_seq("RETURN") +1065 expression = self._parse_statement() +1066 +1067 if return_: +1068 expression = self.expression(exp.Return, this=expression) +1069 elif create_token.token_type == TokenType.INDEX: +1070 this = self._parse_index() +1071 elif create_token.token_type in self.DB_CREATABLES: +1072 table_parts = self._parse_table_parts(schema=True) +1073 +1074 # exp.Properties.Location.POST_NAME +1075 if self._match(TokenType.COMMA): +1076 temp_properties = self._parse_properties(before=True) +1077 if properties and temp_properties: +1078 properties.expressions.extend(temp_properties.expressions) +1079 elif temp_properties: +1080 properties = temp_properties +1081 +1082 this = self._parse_schema(this=table_parts) 1083 -1084 # exp.Properties.Location.POST_INDEX -1085 if self._match(TokenType.PARTITION_BY, advance=False): -1086 temp_properties = self._parse_properties() -1087 if properties and temp_properties: -1088 properties.expressions.extend(temp_properties.expressions) -1089 elif temp_properties: -1090 properties = temp_properties -1091 -1092 if not index: -1093 break -1094 else: -1095 indexes.append(index) -1096 elif create_token.token_type == TokenType.VIEW: -1097 if self._match_text_seq("WITH", "NO", "SCHEMA", "BINDING"): -1098 no_schema_binding = True -1099 -1100 return self.expression( -1101 exp.Create, -1102 this=this, -1103 kind=create_token.text, -1104 unique=unique, -1105 expression=expression, -1106 exists=exists, -1107 properties=properties, -1108 replace=replace, -1109 indexes=indexes, -1110 no_schema_binding=no_schema_binding, -1111 begin=begin, -1112 ) -1113 -1114 def _parse_property_before(self) -> t.Optional[exp.Expression]: -1115 self._match(TokenType.COMMA) -1116 -1117 # parsers look to _prev for no/dual/default, so need to consume first -1118 self._match_text_seq("NO") -1119 self._match_text_seq("DUAL") -1120 self._match_text_seq("DEFAULT") -1121 -1122 if self.PROPERTY_PARSERS.get(self._curr.text.upper()): -1123 return self.PROPERTY_PARSERS[self._curr.text.upper()](self) -1124 -1125 return None +1084 # exp.Properties.Location.POST_SCHEMA and POST_WITH +1085 temp_properties = self._parse_properties() +1086 if properties and temp_properties: +1087 properties.expressions.extend(temp_properties.expressions) +1088 elif temp_properties: +1089 properties = temp_properties +1090 +1091 self._match(TokenType.ALIAS) +1092 +1093 # exp.Properties.Location.POST_ALIAS +1094 if not ( +1095 self._match(TokenType.SELECT, advance=False) +1096 or self._match(TokenType.WITH, advance=False) +1097 or self._match(TokenType.L_PAREN, advance=False) +1098 ): +1099 temp_properties = self._parse_properties() +1100 if properties and temp_properties: +1101 properties.expressions.extend(temp_properties.expressions) +1102 elif temp_properties: +1103 properties = temp_properties +1104 +1105 expression = self._parse_ddl_select() +1106 +1107 if create_token.token_type == TokenType.TABLE: +1108 # exp.Properties.Location.POST_EXPRESSION +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 indexes = [] +1116 while True: +1117 index = self._parse_create_table_index() +1118 +1119 # exp.Properties.Location.POST_INDEX +1120 if self._match(TokenType.PARTITION_BY, advance=False): +1121 temp_properties = self._parse_properties() +1122 if properties and temp_properties: +1123 properties.expressions.extend(temp_properties.expressions) +1124 elif temp_properties: +1125 properties = temp_properties 1126 -1127 def _parse_property(self) -> t.Optional[exp.Expression]: -1128 if self._match_texts(self.PROPERTY_PARSERS): -1129 return self.PROPERTY_PARSERS[self._prev.text.upper()](self) -1130 -1131 if self._match_pair(TokenType.DEFAULT, TokenType.CHARACTER_SET): -1132 return self._parse_character_set(default=True) -1133 -1134 if self._match_pair(TokenType.COMPOUND, TokenType.SORTKEY): -1135 return self._parse_sortkey(compound=True) -1136 -1137 if self._match_text_seq("SQL", "SECURITY"): -1138 return self.expression(exp.SqlSecurityProperty, definer=self._match_text_seq("DEFINER")) -1139 -1140 assignment = self._match_pair( -1141 TokenType.VAR, TokenType.EQ, advance=False -1142 ) or self._match_pair(TokenType.STRING, TokenType.EQ, advance=False) -1143 -1144 if assignment: -1145 key = self._parse_var_or_string() -1146 self._match(TokenType.EQ) -1147 return self.expression(exp.Property, this=key, value=self._parse_column()) -1148 -1149 return None -1150 -1151 def _parse_property_assignment(self, exp_class: t.Type[exp.Expression]) -> exp.Expression: -1152 self._match(TokenType.EQ) -1153 self._match(TokenType.ALIAS) -1154 return self.expression( -1155 exp_class, -1156 this=self._parse_var_or_string() or self._parse_number() or self._parse_id_var(), -1157 ) -1158 -1159 def _parse_properties(self, before=None) -> t.Optional[exp.Expression]: -1160 properties = [] -1161 -1162 while True: -1163 if before: -1164 identified_property = self._parse_property_before() -1165 else: -1166 identified_property = self._parse_property() -1167 -1168 if not identified_property: -1169 break -1170 for p in ensure_collection(identified_property): -1171 properties.append(p) +1127 if not index: +1128 break +1129 else: +1130 indexes.append(index) +1131 elif create_token.token_type == TokenType.VIEW: +1132 if self._match_text_seq("WITH", "NO", "SCHEMA", "BINDING"): +1133 no_schema_binding = True +1134 +1135 return self.expression( +1136 exp.Create, +1137 this=this, +1138 kind=create_token.text, +1139 replace=replace, +1140 unique=unique, +1141 volatile=volatile, +1142 expression=expression, +1143 exists=exists, +1144 properties=properties, +1145 indexes=indexes, +1146 no_schema_binding=no_schema_binding, +1147 begin=begin, +1148 ) +1149 +1150 def _parse_property_before(self) -> t.Optional[exp.Expression]: +1151 self._match(TokenType.COMMA) +1152 +1153 # parsers look to _prev for no/dual/default, so need to consume first +1154 self._match_text_seq("NO") +1155 self._match_text_seq("DUAL") +1156 self._match_text_seq("DEFAULT") +1157 +1158 if self.PROPERTY_PARSERS.get(self._curr.text.upper()): +1159 return self.PROPERTY_PARSERS[self._curr.text.upper()](self) +1160 +1161 return None +1162 +1163 def _parse_property(self) -> t.Optional[exp.Expression]: +1164 if self._match_texts(self.PROPERTY_PARSERS): +1165 return self.PROPERTY_PARSERS[self._prev.text.upper()](self) +1166 +1167 if self._match_pair(TokenType.DEFAULT, TokenType.CHARACTER_SET): +1168 return self._parse_character_set(default=True) +1169 +1170 if self._match_pair(TokenType.COMPOUND, TokenType.SORTKEY): +1171 return self._parse_sortkey(compound=True) 1172 -1173 if properties: -1174 return self.expression(exp.Properties, expressions=properties) +1173 if self._match_text_seq("SQL", "SECURITY"): +1174 return self.expression(exp.SqlSecurityProperty, definer=self._match_text_seq("DEFINER")) 1175 -1176 return None -1177 -1178 def _parse_fallback(self, no=False) -> exp.Expression: -1179 self._match_text_seq("FALLBACK") -1180 return self.expression( -1181 exp.FallbackProperty, no=no, protection=self._match_text_seq("PROTECTION") -1182 ) -1183 -1184 def _parse_with_property( -1185 self, -1186 ) -> t.Union[t.Optional[exp.Expression], t.List[t.Optional[exp.Expression]]]: -1187 self._match(TokenType.WITH) -1188 if self._match(TokenType.L_PAREN, advance=False): -1189 return self._parse_wrapped_csv(self._parse_property) -1190 -1191 if self._match_text_seq("JOURNAL"): -1192 return self._parse_withjournaltable() -1193 -1194 if self._match_text_seq("DATA"): -1195 return self._parse_withdata(no=False) -1196 elif self._match_text_seq("NO", "DATA"): -1197 return self._parse_withdata(no=True) -1198 -1199 if not self._next: -1200 return None -1201 -1202 return self._parse_withisolatedloading() +1176 assignment = self._match_pair( +1177 TokenType.VAR, TokenType.EQ, advance=False +1178 ) or self._match_pair(TokenType.STRING, TokenType.EQ, advance=False) +1179 +1180 if assignment: +1181 key = self._parse_var_or_string() +1182 self._match(TokenType.EQ) +1183 return self.expression(exp.Property, this=key, value=self._parse_column()) +1184 +1185 return None +1186 +1187 def _parse_property_assignment(self, exp_class: t.Type[exp.Expression]) -> exp.Expression: +1188 self._match(TokenType.EQ) +1189 self._match(TokenType.ALIAS) +1190 return self.expression( +1191 exp_class, +1192 this=self._parse_var_or_string() or self._parse_number() or self._parse_id_var(), +1193 ) +1194 +1195 def _parse_properties(self, before=None) -> t.Optional[exp.Expression]: +1196 properties = [] +1197 +1198 while True: +1199 if before: +1200 identified_property = self._parse_property_before() +1201 else: +1202 identified_property = self._parse_property() 1203 -1204 # https://dev.mysql.com/doc/refman/8.0/en/create-view.html -1205 def _parse_definer(self) -> t.Optional[exp.Expression]: -1206 self._match(TokenType.EQ) -1207 -1208 user = self._parse_id_var() -1209 self._match(TokenType.PARAMETER) -1210 host = self._parse_id_var() or (self._match(TokenType.MOD) and self._prev.text) +1204 if not identified_property: +1205 break +1206 for p in ensure_collection(identified_property): +1207 properties.append(p) +1208 +1209 if properties: +1210 return self.expression(exp.Properties, expressions=properties) 1211 -1212 if not user or not host: -1213 return None -1214 -1215 return exp.DefinerProperty(this=f"{user}@{host}") -1216 -1217 def _parse_withjournaltable(self) -> exp.Expression: -1218 self._match(TokenType.TABLE) -1219 self._match(TokenType.EQ) -1220 return self.expression(exp.WithJournalTableProperty, this=self._parse_table_parts()) -1221 -1222 def _parse_log(self, no=False) -> exp.Expression: -1223 self._match_text_seq("LOG") -1224 return self.expression(exp.LogProperty, no=no) -1225 -1226 def _parse_journal(self, no=False, dual=False) -> exp.Expression: -1227 before = self._match_text_seq("BEFORE") -1228 self._match_text_seq("JOURNAL") -1229 return self.expression(exp.JournalProperty, no=no, dual=dual, before=before) -1230 -1231 def _parse_afterjournal(self, no=False, dual=False, local=None) -> exp.Expression: -1232 self._match_text_seq("NOT") -1233 self._match_text_seq("LOCAL") -1234 self._match_text_seq("AFTER", "JOURNAL") -1235 return self.expression(exp.AfterJournalProperty, no=no, dual=dual, local=local) -1236 -1237 def _parse_checksum(self) -> exp.Expression: -1238 self._match_text_seq("CHECKSUM") -1239 self._match(TokenType.EQ) -1240 -1241 on = None -1242 if self._match(TokenType.ON): -1243 on = True -1244 elif self._match_text_seq("OFF"): -1245 on = False -1246 default = self._match(TokenType.DEFAULT) +1212 return None +1213 +1214 def _parse_fallback(self, no=False) -> exp.Expression: +1215 self._match_text_seq("FALLBACK") +1216 return self.expression( +1217 exp.FallbackProperty, no=no, protection=self._match_text_seq("PROTECTION") +1218 ) +1219 +1220 def _parse_with_property( +1221 self, +1222 ) -> t.Union[t.Optional[exp.Expression], t.List[t.Optional[exp.Expression]]]: +1223 self._match(TokenType.WITH) +1224 if self._match(TokenType.L_PAREN, advance=False): +1225 return self._parse_wrapped_csv(self._parse_property) +1226 +1227 if self._match_text_seq("JOURNAL"): +1228 return self._parse_withjournaltable() +1229 +1230 if self._match_text_seq("DATA"): +1231 return self._parse_withdata(no=False) +1232 elif self._match_text_seq("NO", "DATA"): +1233 return self._parse_withdata(no=True) +1234 +1235 if not self._next: +1236 return None +1237 +1238 return self._parse_withisolatedloading() +1239 +1240 # https://dev.mysql.com/doc/refman/8.0/en/create-view.html +1241 def _parse_definer(self) -> t.Optional[exp.Expression]: +1242 self._match(TokenType.EQ) +1243 +1244 user = self._parse_id_var() +1245 self._match(TokenType.PARAMETER) +1246 host = self._parse_id_var() or (self._match(TokenType.MOD) and self._prev.text) 1247 -1248 return self.expression( -1249 exp.ChecksumProperty, -1250 on=on, -1251 default=default, -1252 ) -1253 -1254 def _parse_freespace(self) -> exp.Expression: -1255 self._match_text_seq("FREESPACE") -1256 self._match(TokenType.EQ) -1257 return self.expression( -1258 exp.FreespaceProperty, this=self._parse_number(), percent=self._match(TokenType.PERCENT) -1259 ) -1260 -1261 def _parse_mergeblockratio(self, no=False, default=False) -> exp.Expression: -1262 self._match_text_seq("MERGEBLOCKRATIO") -1263 if self._match(TokenType.EQ): -1264 return self.expression( -1265 exp.MergeBlockRatioProperty, -1266 this=self._parse_number(), -1267 percent=self._match(TokenType.PERCENT), -1268 ) -1269 else: -1270 return self.expression( -1271 exp.MergeBlockRatioProperty, -1272 no=no, -1273 default=default, -1274 ) -1275 -1276 def _parse_datablocksize(self, default=None) -> exp.Expression: -1277 if default: -1278 self._match_text_seq("DATABLOCKSIZE") -1279 return self.expression(exp.DataBlocksizeProperty, default=True) -1280 elif self._match_texts(("MIN", "MINIMUM")): -1281 self._match_text_seq("DATABLOCKSIZE") -1282 return self.expression(exp.DataBlocksizeProperty, min=True) -1283 elif self._match_texts(("MAX", "MAXIMUM")): -1284 self._match_text_seq("DATABLOCKSIZE") -1285 return self.expression(exp.DataBlocksizeProperty, min=False) -1286 -1287 self._match_text_seq("DATABLOCKSIZE") -1288 self._match(TokenType.EQ) -1289 size = self._parse_number() -1290 units = None -1291 if self._match_texts(("BYTES", "KBYTES", "KILOBYTES")): -1292 units = self._prev.text -1293 return self.expression(exp.DataBlocksizeProperty, size=size, units=units) -1294 -1295 def _parse_blockcompression(self) -> exp.Expression: -1296 self._match_text_seq("BLOCKCOMPRESSION") -1297 self._match(TokenType.EQ) -1298 always = self._match_text_seq("ALWAYS") -1299 manual = self._match_text_seq("MANUAL") -1300 never = self._match_text_seq("NEVER") -1301 default = self._match_text_seq("DEFAULT") -1302 autotemp = None -1303 if self._match_text_seq("AUTOTEMP"): -1304 autotemp = self._parse_schema() -1305 -1306 return self.expression( -1307 exp.BlockCompressionProperty, -1308 always=always, -1309 manual=manual, -1310 never=never, -1311 default=default, -1312 autotemp=autotemp, -1313 ) -1314 -1315 def _parse_withisolatedloading(self) -> exp.Expression: -1316 no = self._match_text_seq("NO") -1317 concurrent = self._match_text_seq("CONCURRENT") -1318 self._match_text_seq("ISOLATED", "LOADING") -1319 for_all = self._match_text_seq("FOR", "ALL") -1320 for_insert = self._match_text_seq("FOR", "INSERT") -1321 for_none = self._match_text_seq("FOR", "NONE") -1322 return self.expression( -1323 exp.IsolatedLoadingProperty, -1324 no=no, -1325 concurrent=concurrent, -1326 for_all=for_all, -1327 for_insert=for_insert, -1328 for_none=for_none, -1329 ) +1248 if not user or not host: +1249 return None +1250 +1251 return exp.DefinerProperty(this=f"{user}@{host}") +1252 +1253 def _parse_withjournaltable(self) -> exp.Expression: +1254 self._match(TokenType.TABLE) +1255 self._match(TokenType.EQ) +1256 return self.expression(exp.WithJournalTableProperty, this=self._parse_table_parts()) +1257 +1258 def _parse_log(self, no=False) -> exp.Expression: +1259 self._match_text_seq("LOG") +1260 return self.expression(exp.LogProperty, no=no) +1261 +1262 def _parse_journal(self, no=False, dual=False) -> exp.Expression: +1263 before = self._match_text_seq("BEFORE") +1264 self._match_text_seq("JOURNAL") +1265 return self.expression(exp.JournalProperty, no=no, dual=dual, before=before) +1266 +1267 def _parse_afterjournal(self, no=False, dual=False, local=None) -> exp.Expression: +1268 self._match_text_seq("NOT") +1269 self._match_text_seq("LOCAL") +1270 self._match_text_seq("AFTER", "JOURNAL") +1271 return self.expression(exp.AfterJournalProperty, no=no, dual=dual, local=local) +1272 +1273 def _parse_checksum(self) -> exp.Expression: +1274 self._match_text_seq("CHECKSUM") +1275 self._match(TokenType.EQ) +1276 +1277 on = None +1278 if self._match(TokenType.ON): +1279 on = True +1280 elif self._match_text_seq("OFF"): +1281 on = False +1282 default = self._match(TokenType.DEFAULT) +1283 +1284 return self.expression( +1285 exp.ChecksumProperty, +1286 on=on, +1287 default=default, +1288 ) +1289 +1290 def _parse_freespace(self) -> exp.Expression: +1291 self._match_text_seq("FREESPACE") +1292 self._match(TokenType.EQ) +1293 return self.expression( +1294 exp.FreespaceProperty, this=self._parse_number(), percent=self._match(TokenType.PERCENT) +1295 ) +1296 +1297 def _parse_mergeblockratio(self, no=False, default=False) -> exp.Expression: +1298 self._match_text_seq("MERGEBLOCKRATIO") +1299 if self._match(TokenType.EQ): +1300 return self.expression( +1301 exp.MergeBlockRatioProperty, +1302 this=self._parse_number(), +1303 percent=self._match(TokenType.PERCENT), +1304 ) +1305 else: +1306 return self.expression( +1307 exp.MergeBlockRatioProperty, +1308 no=no, +1309 default=default, +1310 ) +1311 +1312 def _parse_datablocksize(self, default=None) -> exp.Expression: +1313 if default: +1314 self._match_text_seq("DATABLOCKSIZE") +1315 return self.expression(exp.DataBlocksizeProperty, default=True) +1316 elif self._match_texts(("MIN", "MINIMUM")): +1317 self._match_text_seq("DATABLOCKSIZE") +1318 return self.expression(exp.DataBlocksizeProperty, min=True) +1319 elif self._match_texts(("MAX", "MAXIMUM")): +1320 self._match_text_seq("DATABLOCKSIZE") +1321 return self.expression(exp.DataBlocksizeProperty, min=False) +1322 +1323 self._match_text_seq("DATABLOCKSIZE") +1324 self._match(TokenType.EQ) +1325 size = self._parse_number() +1326 units = None +1327 if self._match_texts(("BYTES", "KBYTES", "KILOBYTES")): +1328 units = self._prev.text +1329 return self.expression(exp.DataBlocksizeProperty, size=size, units=units) 1330 -1331 def _parse_locking(self) -> exp.Expression: -1332 if self._match(TokenType.TABLE): -1333 kind = "TABLE" -1334 elif self._match(TokenType.VIEW): -1335 kind = "VIEW" -1336 elif self._match(TokenType.ROW): -1337 kind = "ROW" -1338 elif self._match_text_seq("DATABASE"): -1339 kind = "DATABASE" -1340 else: -1341 kind = None -1342 -1343 if kind in ("DATABASE", "TABLE", "VIEW"): -1344 this = self._parse_table_parts() -1345 else: -1346 this = None -1347 -1348 if self._match(TokenType.FOR): -1349 for_or_in = "FOR" -1350 elif self._match(TokenType.IN): -1351 for_or_in = "IN" -1352 else: -1353 for_or_in = None -1354 -1355 if self._match_text_seq("ACCESS"): -1356 lock_type = "ACCESS" -1357 elif self._match_texts(("EXCL", "EXCLUSIVE")): -1358 lock_type = "EXCLUSIVE" -1359 elif self._match_text_seq("SHARE"): -1360 lock_type = "SHARE" -1361 elif self._match_text_seq("READ"): -1362 lock_type = "READ" -1363 elif self._match_text_seq("WRITE"): -1364 lock_type = "WRITE" -1365 elif self._match_text_seq("CHECKSUM"): -1366 lock_type = "CHECKSUM" -1367 else: -1368 lock_type = None -1369 -1370 override = self._match_text_seq("OVERRIDE") -1371 -1372 return self.expression( -1373 exp.LockingProperty, -1374 this=this, -1375 kind=kind, -1376 for_or_in=for_or_in, -1377 lock_type=lock_type, -1378 override=override, -1379 ) -1380 -1381 def _parse_partition_by(self) -> t.List[t.Optional[exp.Expression]]: -1382 if self._match(TokenType.PARTITION_BY): -1383 return self._parse_csv(self._parse_conjunction) -1384 return [] -1385 -1386 def _parse_partitioned_by(self) -> exp.Expression: -1387 self._match(TokenType.EQ) -1388 return self.expression( -1389 exp.PartitionedByProperty, -1390 this=self._parse_schema() or self._parse_bracket(self._parse_field()), -1391 ) -1392 -1393 def _parse_withdata(self, no=False) -> exp.Expression: -1394 if self._match_text_seq("AND", "STATISTICS"): -1395 statistics = True -1396 elif self._match_text_seq("AND", "NO", "STATISTICS"): -1397 statistics = False -1398 else: -1399 statistics = None -1400 -1401 return self.expression(exp.WithDataProperty, no=no, statistics=statistics) -1402 -1403 def _parse_noprimaryindex(self) -> exp.Expression: -1404 self._match_text_seq("PRIMARY", "INDEX") -1405 return exp.NoPrimaryIndexProperty() -1406 -1407 def _parse_oncommit(self) -> exp.Expression: -1408 self._match_text_seq("COMMIT", "PRESERVE", "ROWS") -1409 return exp.OnCommitProperty() -1410 -1411 def _parse_distkey(self) -> exp.Expression: -1412 return self.expression(exp.DistKeyProperty, this=self._parse_wrapped(self._parse_id_var)) -1413 -1414 def _parse_create_like(self) -> t.Optional[exp.Expression]: -1415 table = self._parse_table(schema=True) -1416 options = [] -1417 while self._match_texts(("INCLUDING", "EXCLUDING")): -1418 this = self._prev.text.upper() -1419 id_var = self._parse_id_var() -1420 -1421 if not id_var: -1422 return None -1423 -1424 options.append( -1425 self.expression( -1426 exp.Property, -1427 this=this, -1428 value=exp.Var(this=id_var.this.upper()), -1429 ) -1430 ) -1431 return self.expression(exp.LikeProperty, this=table, expressions=options) -1432 -1433 def _parse_sortkey(self, compound: bool = False) -> exp.Expression: -1434 return self.expression( -1435 exp.SortKeyProperty, this=self._parse_wrapped_csv(self._parse_id_var), compound=compound -1436 ) -1437 -1438 def _parse_character_set(self, default: bool = False) -> exp.Expression: -1439 self._match(TokenType.EQ) -1440 return self.expression( -1441 exp.CharacterSetProperty, this=self._parse_var_or_string(), default=default -1442 ) -1443 -1444 def _parse_returns(self) -> exp.Expression: -1445 value: t.Optional[exp.Expression] -1446 is_table = self._match(TokenType.TABLE) -1447 -1448 if is_table: -1449 if self._match(TokenType.LT): -1450 value = self.expression( -1451 exp.Schema, -1452 this="TABLE", -1453 expressions=self._parse_csv(self._parse_struct_kwargs), -1454 ) -1455 if not self._match(TokenType.GT): -1456 self.raise_error("Expecting >") -1457 else: -1458 value = self._parse_schema(exp.Var(this="TABLE")) -1459 else: -1460 value = self._parse_types() -1461 -1462 return self.expression(exp.ReturnsProperty, this=value, is_table=is_table) -1463 -1464 def _parse_temporary(self, global_=False) -> exp.Expression: -1465 self._match(TokenType.TEMPORARY) # in case calling from "GLOBAL" -1466 return self.expression(exp.TemporaryProperty, global_=global_) -1467 -1468 def _parse_describe(self) -> exp.Expression: -1469 kind = self._match_set(self.CREATABLES) and self._prev.text -1470 this = self._parse_table() -1471 -1472 return self.expression(exp.Describe, this=this, kind=kind) +1331 def _parse_blockcompression(self) -> exp.Expression: +1332 self._match_text_seq("BLOCKCOMPRESSION") +1333 self._match(TokenType.EQ) +1334 always = self._match_text_seq("ALWAYS") +1335 manual = self._match_text_seq("MANUAL") +1336 never = self._match_text_seq("NEVER") +1337 default = self._match_text_seq("DEFAULT") +1338 autotemp = None +1339 if self._match_text_seq("AUTOTEMP"): +1340 autotemp = self._parse_schema() +1341 +1342 return self.expression( +1343 exp.BlockCompressionProperty, +1344 always=always, +1345 manual=manual, +1346 never=never, +1347 default=default, +1348 autotemp=autotemp, +1349 ) +1350 +1351 def _parse_withisolatedloading(self) -> exp.Expression: +1352 no = self._match_text_seq("NO") +1353 concurrent = self._match_text_seq("CONCURRENT") +1354 self._match_text_seq("ISOLATED", "LOADING") +1355 for_all = self._match_text_seq("FOR", "ALL") +1356 for_insert = self._match_text_seq("FOR", "INSERT") +1357 for_none = self._match_text_seq("FOR", "NONE") +1358 return self.expression( +1359 exp.IsolatedLoadingProperty, +1360 no=no, +1361 concurrent=concurrent, +1362 for_all=for_all, +1363 for_insert=for_insert, +1364 for_none=for_none, +1365 ) +1366 +1367 def _parse_locking(self) -> exp.Expression: +1368 if self._match(TokenType.TABLE): +1369 kind = "TABLE" +1370 elif self._match(TokenType.VIEW): +1371 kind = "VIEW" +1372 elif self._match(TokenType.ROW): +1373 kind = "ROW" +1374 elif self._match_text_seq("DATABASE"): +1375 kind = "DATABASE" +1376 else: +1377 kind = None +1378 +1379 if kind in ("DATABASE", "TABLE", "VIEW"): +1380 this = self._parse_table_parts() +1381 else: +1382 this = None +1383 +1384 if self._match(TokenType.FOR): +1385 for_or_in = "FOR" +1386 elif self._match(TokenType.IN): +1387 for_or_in = "IN" +1388 else: +1389 for_or_in = None +1390 +1391 if self._match_text_seq("ACCESS"): +1392 lock_type = "ACCESS" +1393 elif self._match_texts(("EXCL", "EXCLUSIVE")): +1394 lock_type = "EXCLUSIVE" +1395 elif self._match_text_seq("SHARE"): +1396 lock_type = "SHARE" +1397 elif self._match_text_seq("READ"): +1398 lock_type = "READ" +1399 elif self._match_text_seq("WRITE"): +1400 lock_type = "WRITE" +1401 elif self._match_text_seq("CHECKSUM"): +1402 lock_type = "CHECKSUM" +1403 else: +1404 lock_type = None +1405 +1406 override = self._match_text_seq("OVERRIDE") +1407 +1408 return self.expression( +1409 exp.LockingProperty, +1410 this=this, +1411 kind=kind, +1412 for_or_in=for_or_in, +1413 lock_type=lock_type, +1414 override=override, +1415 ) +1416 +1417 def _parse_partition_by(self) -> t.List[t.Optional[exp.Expression]]: +1418 if self._match(TokenType.PARTITION_BY): +1419 return self._parse_csv(self._parse_conjunction) +1420 return [] +1421 +1422 def _parse_partitioned_by(self) -> exp.Expression: +1423 self._match(TokenType.EQ) +1424 return self.expression( +1425 exp.PartitionedByProperty, +1426 this=self._parse_schema() or self._parse_bracket(self._parse_field()), +1427 ) +1428 +1429 def _parse_withdata(self, no=False) -> exp.Expression: +1430 if self._match_text_seq("AND", "STATISTICS"): +1431 statistics = True +1432 elif self._match_text_seq("AND", "NO", "STATISTICS"): +1433 statistics = False +1434 else: +1435 statistics = None +1436 +1437 return self.expression(exp.WithDataProperty, no=no, statistics=statistics) +1438 +1439 def _parse_noprimaryindex(self) -> exp.Expression: +1440 self._match_text_seq("PRIMARY", "INDEX") +1441 return exp.NoPrimaryIndexProperty() +1442 +1443 def _parse_oncommit(self) -> exp.Expression: +1444 self._match_text_seq("COMMIT", "PRESERVE", "ROWS") +1445 return exp.OnCommitProperty() +1446 +1447 def _parse_distkey(self) -> exp.Expression: +1448 return self.expression(exp.DistKeyProperty, this=self._parse_wrapped(self._parse_id_var)) +1449 +1450 def _parse_create_like(self) -> t.Optional[exp.Expression]: +1451 table = self._parse_table(schema=True) +1452 options = [] +1453 while self._match_texts(("INCLUDING", "EXCLUDING")): +1454 this = self._prev.text.upper() +1455 id_var = self._parse_id_var() +1456 +1457 if not id_var: +1458 return None +1459 +1460 options.append( +1461 self.expression( +1462 exp.Property, +1463 this=this, +1464 value=exp.Var(this=id_var.this.upper()), +1465 ) +1466 ) +1467 return self.expression(exp.LikeProperty, this=table, expressions=options) +1468 +1469 def _parse_sortkey(self, compound: bool = False) -> exp.Expression: +1470 return self.expression( +1471 exp.SortKeyProperty, this=self._parse_wrapped_csv(self._parse_id_var), compound=compound +1472 ) 1473 -1474 def _parse_insert(self) -> exp.Expression: -1475 overwrite = self._match(TokenType.OVERWRITE) -1476 local = self._match(TokenType.LOCAL) -1477 -1478 this: t.Optional[exp.Expression] +1474 def _parse_character_set(self, default: bool = False) -> exp.Expression: +1475 self._match(TokenType.EQ) +1476 return self.expression( +1477 exp.CharacterSetProperty, this=self._parse_var_or_string(), default=default +1478 ) 1479 -1480 alternative = None -1481 if self._match_text_seq("DIRECTORY"): -1482 this = self.expression( -1483 exp.Directory, -1484 this=self._parse_var_or_string(), -1485 local=local, -1486 row_format=self._parse_row_format(match_row=True), -1487 ) -1488 else: -1489 if self._match(TokenType.OR): -1490 alternative = self._match_texts(self.INSERT_ALTERNATIVES) and self._prev.text -1491 -1492 self._match(TokenType.INTO) -1493 self._match(TokenType.TABLE) -1494 this = self._parse_table(schema=True) -1495 -1496 return self.expression( -1497 exp.Insert, -1498 this=this, -1499 exists=self._parse_exists(), -1500 partition=self._parse_partition(), -1501 expression=self._parse_ddl_select(), -1502 overwrite=overwrite, -1503 alternative=alternative, -1504 ) -1505 -1506 def _parse_row(self) -> t.Optional[exp.Expression]: -1507 if not self._match(TokenType.FORMAT): -1508 return None -1509 return self._parse_row_format() -1510 -1511 def _parse_row_format(self, match_row: bool = False) -> t.Optional[exp.Expression]: -1512 if match_row and not self._match_pair(TokenType.ROW, TokenType.FORMAT): -1513 return None -1514 -1515 if self._match_text_seq("SERDE"): -1516 return self.expression(exp.RowFormatSerdeProperty, this=self._parse_string()) -1517 -1518 self._match_text_seq("DELIMITED") -1519 -1520 kwargs = {} -1521 -1522 if self._match_text_seq("FIELDS", "TERMINATED", "BY"): -1523 kwargs["fields"] = self._parse_string() -1524 if self._match_text_seq("ESCAPED", "BY"): -1525 kwargs["escaped"] = self._parse_string() -1526 if self._match_text_seq("COLLECTION", "ITEMS", "TERMINATED", "BY"): -1527 kwargs["collection_items"] = self._parse_string() -1528 if self._match_text_seq("MAP", "KEYS", "TERMINATED", "BY"): -1529 kwargs["map_keys"] = self._parse_string() -1530 if self._match_text_seq("LINES", "TERMINATED", "BY"): -1531 kwargs["lines"] = self._parse_string() -1532 if self._match_text_seq("NULL", "DEFINED", "AS"): -1533 kwargs["null"] = self._parse_string() -1534 -1535 return self.expression(exp.RowFormatDelimitedProperty, **kwargs) # type: ignore -1536 -1537 def _parse_load_data(self) -> exp.Expression: -1538 local = self._match(TokenType.LOCAL) -1539 self._match_text_seq("INPATH") -1540 inpath = self._parse_string() -1541 overwrite = self._match(TokenType.OVERWRITE) -1542 self._match_pair(TokenType.INTO, TokenType.TABLE) -1543 -1544 return self.expression( -1545 exp.LoadData, -1546 this=self._parse_table(schema=True), -1547 local=local, -1548 overwrite=overwrite, -1549 inpath=inpath, -1550 partition=self._parse_partition(), -1551 input_format=self._match_text_seq("INPUTFORMAT") and self._parse_string(), -1552 serde=self._match_text_seq("SERDE") and self._parse_string(), -1553 ) -1554 -1555 def _parse_delete(self) -> exp.Expression: -1556 self._match(TokenType.FROM) +1480 def _parse_returns(self) -> exp.Expression: +1481 value: t.Optional[exp.Expression] +1482 is_table = self._match(TokenType.TABLE) +1483 +1484 if is_table: +1485 if self._match(TokenType.LT): +1486 value = self.expression( +1487 exp.Schema, +1488 this="TABLE", +1489 expressions=self._parse_csv(self._parse_struct_kwargs), +1490 ) +1491 if not self._match(TokenType.GT): +1492 self.raise_error("Expecting >") +1493 else: +1494 value = self._parse_schema(exp.Var(this="TABLE")) +1495 else: +1496 value = self._parse_types() +1497 +1498 return self.expression(exp.ReturnsProperty, this=value, is_table=is_table) +1499 +1500 def _parse_temporary(self, global_=False) -> exp.Expression: +1501 self._match(TokenType.TEMPORARY) # in case calling from "GLOBAL" +1502 return self.expression(exp.TemporaryProperty, global_=global_) +1503 +1504 def _parse_describe(self) -> exp.Expression: +1505 kind = self._match_set(self.CREATABLES) and self._prev.text +1506 this = self._parse_table() +1507 +1508 return self.expression(exp.Describe, this=this, kind=kind) +1509 +1510 def _parse_insert(self) -> exp.Expression: +1511 overwrite = self._match(TokenType.OVERWRITE) +1512 local = self._match(TokenType.LOCAL) +1513 +1514 this: t.Optional[exp.Expression] +1515 +1516 alternative = None +1517 if self._match_text_seq("DIRECTORY"): +1518 this = self.expression( +1519 exp.Directory, +1520 this=self._parse_var_or_string(), +1521 local=local, +1522 row_format=self._parse_row_format(match_row=True), +1523 ) +1524 else: +1525 if self._match(TokenType.OR): +1526 alternative = self._match_texts(self.INSERT_ALTERNATIVES) and self._prev.text +1527 +1528 self._match(TokenType.INTO) +1529 self._match(TokenType.TABLE) +1530 this = self._parse_table(schema=True) +1531 +1532 return self.expression( +1533 exp.Insert, +1534 this=this, +1535 exists=self._parse_exists(), +1536 partition=self._parse_partition(), +1537 expression=self._parse_ddl_select(), +1538 overwrite=overwrite, +1539 alternative=alternative, +1540 ) +1541 +1542 def _parse_row(self) -> t.Optional[exp.Expression]: +1543 if not self._match(TokenType.FORMAT): +1544 return None +1545 return self._parse_row_format() +1546 +1547 def _parse_row_format(self, match_row: bool = False) -> t.Optional[exp.Expression]: +1548 if match_row and not self._match_pair(TokenType.ROW, TokenType.FORMAT): +1549 return None +1550 +1551 if self._match_text_seq("SERDE"): +1552 return self.expression(exp.RowFormatSerdeProperty, this=self._parse_string()) +1553 +1554 self._match_text_seq("DELIMITED") +1555 +1556 kwargs = {} 1557 -1558 return self.expression( -1559 exp.Delete, -1560 this=self._parse_table(schema=True), -1561 using=self._parse_csv(lambda: self._match(TokenType.USING) and self._parse_table()), -1562 where=self._parse_where(), -1563 ) -1564 -1565 def _parse_update(self) -> exp.Expression: -1566 return self.expression( -1567 exp.Update, -1568 **{ # type: ignore -1569 "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS), -1570 "expressions": self._match(TokenType.SET) and self._parse_csv(self._parse_equality), -1571 "from": self._parse_from(), -1572 "where": self._parse_where(), -1573 }, -1574 ) -1575 -1576 def _parse_uncache(self) -> exp.Expression: -1577 if not self._match(TokenType.TABLE): -1578 self.raise_error("Expecting TABLE after UNCACHE") +1558 if self._match_text_seq("FIELDS", "TERMINATED", "BY"): +1559 kwargs["fields"] = self._parse_string() +1560 if self._match_text_seq("ESCAPED", "BY"): +1561 kwargs["escaped"] = self._parse_string() +1562 if self._match_text_seq("COLLECTION", "ITEMS", "TERMINATED", "BY"): +1563 kwargs["collection_items"] = self._parse_string() +1564 if self._match_text_seq("MAP", "KEYS", "TERMINATED", "BY"): +1565 kwargs["map_keys"] = self._parse_string() +1566 if self._match_text_seq("LINES", "TERMINATED", "BY"): +1567 kwargs["lines"] = self._parse_string() +1568 if self._match_text_seq("NULL", "DEFINED", "AS"): +1569 kwargs["null"] = self._parse_string() +1570 +1571 return self.expression(exp.RowFormatDelimitedProperty, **kwargs) # type: ignore +1572 +1573 def _parse_load_data(self) -> exp.Expression: +1574 local = self._match(TokenType.LOCAL) +1575 self._match_text_seq("INPATH") +1576 inpath = self._parse_string() +1577 overwrite = self._match(TokenType.OVERWRITE) +1578 self._match_pair(TokenType.INTO, TokenType.TABLE) 1579 1580 return self.expression( -1581 exp.Uncache, -1582 exists=self._parse_exists(), -1583 this=self._parse_table(schema=True), -1584 ) -1585 -1586 def _parse_cache(self) -> exp.Expression: -1587 lazy = self._match(TokenType.LAZY) -1588 self._match(TokenType.TABLE) -1589 table = self._parse_table(schema=True) -1590 options = [] -1591 -1592 if self._match(TokenType.OPTIONS): -1593 self._match_l_paren() -1594 k = self._parse_string() -1595 self._match(TokenType.EQ) -1596 v = self._parse_string() -1597 options = [k, v] -1598 self._match_r_paren() -1599 -1600 self._match(TokenType.ALIAS) -1601 return self.expression( -1602 exp.Cache, -1603 this=table, -1604 lazy=lazy, -1605 options=options, -1606 expression=self._parse_select(nested=True), -1607 ) -1608 -1609 def _parse_partition(self) -> t.Optional[exp.Expression]: -1610 if not self._match(TokenType.PARTITION): -1611 return None -1612 -1613 return self.expression( -1614 exp.Partition, expressions=self._parse_wrapped_csv(self._parse_conjunction) -1615 ) -1616 -1617 def _parse_value(self) -> exp.Expression: -1618 if self._match(TokenType.L_PAREN): -1619 expressions = self._parse_csv(self._parse_conjunction) -1620 self._match_r_paren() -1621 return self.expression(exp.Tuple, expressions=expressions) -1622 -1623 # In presto we can have VALUES 1, 2 which results in 1 column & 2 rows. -1624 # Source: https://prestodb.io/docs/current/sql/values.html -1625 return self.expression(exp.Tuple, expressions=[self._parse_conjunction()]) -1626 -1627 def _parse_select( -1628 self, nested: bool = False, table: bool = False, parse_subquery_alias: bool = True -1629 ) -> t.Optional[exp.Expression]: -1630 cte = self._parse_with() -1631 if cte: -1632 this = self._parse_statement() -1633 -1634 if not this: -1635 self.raise_error("Failed to parse any statement following CTE") -1636 return cte -1637 -1638 if "with" in this.arg_types: -1639 this.set("with", cte) -1640 else: -1641 self.raise_error(f"{this.key} does not support CTE") -1642 this = cte -1643 elif self._match(TokenType.SELECT): -1644 comments = self._prev_comments -1645 -1646 hint = self._parse_hint() -1647 all_ = self._match(TokenType.ALL) -1648 distinct = self._match(TokenType.DISTINCT) -1649 -1650 if distinct: -1651 distinct = self.expression( -1652 exp.Distinct, -1653 on=self._parse_value() if self._match(TokenType.ON) else None, -1654 ) -1655 -1656 if all_ and distinct: -1657 self.raise_error("Cannot specify both ALL and DISTINCT after SELECT") +1581 exp.LoadData, +1582 this=self._parse_table(schema=True), +1583 local=local, +1584 overwrite=overwrite, +1585 inpath=inpath, +1586 partition=self._parse_partition(), +1587 input_format=self._match_text_seq("INPUTFORMAT") and self._parse_string(), +1588 serde=self._match_text_seq("SERDE") and self._parse_string(), +1589 ) +1590 +1591 def _parse_delete(self) -> exp.Expression: +1592 self._match(TokenType.FROM) +1593 +1594 return self.expression( +1595 exp.Delete, +1596 this=self._parse_table(schema=True), +1597 using=self._parse_csv(lambda: self._match(TokenType.USING) and self._parse_table()), +1598 where=self._parse_where(), +1599 ) +1600 +1601 def _parse_update(self) -> exp.Expression: +1602 return self.expression( +1603 exp.Update, +1604 **{ # type: ignore +1605 "this": self._parse_table(alias_tokens=self.UPDATE_ALIAS_TOKENS), +1606 "expressions": self._match(TokenType.SET) and self._parse_csv(self._parse_equality), +1607 "from": self._parse_from(), +1608 "where": self._parse_where(), +1609 }, +1610 ) +1611 +1612 def _parse_uncache(self) -> exp.Expression: +1613 if not self._match(TokenType.TABLE): +1614 self.raise_error("Expecting TABLE after UNCACHE") +1615 +1616 return self.expression( +1617 exp.Uncache, +1618 exists=self._parse_exists(), +1619 this=self._parse_table(schema=True), +1620 ) +1621 +1622 def _parse_cache(self) -> exp.Expression: +1623 lazy = self._match(TokenType.LAZY) +1624 self._match(TokenType.TABLE) +1625 table = self._parse_table(schema=True) +1626 options = [] +1627 +1628 if self._match(TokenType.OPTIONS): +1629 self._match_l_paren() +1630 k = self._parse_string() +1631 self._match(TokenType.EQ) +1632 v = self._parse_string() +1633 options = [k, v] +1634 self._match_r_paren() +1635 +1636 self._match(TokenType.ALIAS) +1637 return self.expression( +1638 exp.Cache, +1639 this=table, +1640 lazy=lazy, +1641 options=options, +1642 expression=self._parse_select(nested=True), +1643 ) +1644 +1645 def _parse_partition(self) -> t.Optional[exp.Expression]: +1646 if not self._match(TokenType.PARTITION): +1647 return None +1648 +1649 return self.expression( +1650 exp.Partition, expressions=self._parse_wrapped_csv(self._parse_conjunction) +1651 ) +1652 +1653 def _parse_value(self) -> exp.Expression: +1654 if self._match(TokenType.L_PAREN): +1655 expressions = self._parse_csv(self._parse_conjunction) +1656 self._match_r_paren() +1657 return self.expression(exp.Tuple, expressions=expressions) 1658 -1659 limit = self._parse_limit(top=True) -1660 expressions = self._parse_csv(self._parse_expression) -1661 -1662 this = self.expression( -1663 exp.Select, -1664 hint=hint, -1665 distinct=distinct, -1666 expressions=expressions, -1667 limit=limit, -1668 ) -1669 this.comments = comments -1670 -1671 into = self._parse_into() -1672 if into: -1673 this.set("into", into) -1674 -1675 from_ = self._parse_from() -1676 if from_: -1677 this.set("from", from_) -1678 -1679 self._parse_query_modifiers(this) -1680 elif (table or nested) and self._match(TokenType.L_PAREN): -1681 this = self._parse_table() if table else self._parse_select(nested=True) -1682 self._parse_query_modifiers(this) -1683 this = self._parse_set_operations(this) -1684 self._match_r_paren() +1659 # In presto we can have VALUES 1, 2 which results in 1 column & 2 rows. +1660 # Source: https://prestodb.io/docs/current/sql/values.html +1661 return self.expression(exp.Tuple, expressions=[self._parse_conjunction()]) +1662 +1663 def _parse_select( +1664 self, nested: bool = False, table: bool = False, parse_subquery_alias: bool = True +1665 ) -> t.Optional[exp.Expression]: +1666 cte = self._parse_with() +1667 if cte: +1668 this = self._parse_statement() +1669 +1670 if not this: +1671 self.raise_error("Failed to parse any statement following CTE") +1672 return cte +1673 +1674 if "with" in this.arg_types: +1675 this.set("with", cte) +1676 else: +1677 self.raise_error(f"{this.key} does not support CTE") +1678 this = cte +1679 elif self._match(TokenType.SELECT): +1680 comments = self._prev_comments +1681 +1682 hint = self._parse_hint() +1683 all_ = self._match(TokenType.ALL) +1684 distinct = self._match(TokenType.DISTINCT) 1685 -1686 # early return so that subquery unions aren't parsed again -1687 # SELECT * FROM (SELECT 1) UNION ALL SELECT 1 -1688 # Union ALL should be a property of the top select node, not the subquery -1689 return self._parse_subquery(this, parse_alias=parse_subquery_alias) -1690 elif self._match(TokenType.VALUES): -1691 this = self.expression( -1692 exp.Values, -1693 expressions=self._parse_csv(self._parse_value), -1694 alias=self._parse_table_alias(), -1695 ) -1696 else: -1697 this = None -1698 -1699 return self._parse_set_operations(this) -1700 -1701 def _parse_with(self, skip_with_token: bool = False) -> t.Optional[exp.Expression]: -1702 if not skip_with_token and not self._match(TokenType.WITH): -1703 return None -1704 -1705 recursive = self._match(TokenType.RECURSIVE) +1686 if distinct: +1687 distinct = self.expression( +1688 exp.Distinct, +1689 on=self._parse_value() if self._match(TokenType.ON) else None, +1690 ) +1691 +1692 if all_ and distinct: +1693 self.raise_error("Cannot specify both ALL and DISTINCT after SELECT") +1694 +1695 limit = self._parse_limit(top=True) +1696 expressions = self._parse_csv(self._parse_expression) +1697 +1698 this = self.expression( +1699 exp.Select, +1700 hint=hint, +1701 distinct=distinct, +1702 expressions=expressions, +1703 limit=limit, +1704 ) +1705 this.comments = comments 1706 -1707 expressions = [] -1708 while True: -1709 expressions.append(self._parse_cte()) +1707 into = self._parse_into() +1708 if into: +1709 this.set("into", into) 1710 -1711 if not self._match(TokenType.COMMA) and not self._match(TokenType.WITH): -1712 break -1713 else: -1714 self._match(TokenType.WITH) -1715 -1716 return self.expression(exp.With, expressions=expressions, recursive=recursive) -1717 -1718 def _parse_cte(self) -> exp.Expression: -1719 alias = self._parse_table_alias() -1720 if not alias or not alias.this: -1721 self.raise_error("Expected CTE to have alias") -1722 -1723 self._match(TokenType.ALIAS) -1724 -1725 return self.expression( -1726 exp.CTE, -1727 this=self._parse_wrapped(self._parse_statement), -1728 alias=alias, -1729 ) -1730 -1731 def _parse_table_alias( -1732 self, alias_tokens: t.Optional[t.Collection[TokenType]] = None -1733 ) -> t.Optional[exp.Expression]: -1734 any_token = self._match(TokenType.ALIAS) -1735 alias = self._parse_id_var( -1736 any_token=any_token, tokens=alias_tokens or self.TABLE_ALIAS_TOKENS -1737 ) -1738 index = self._index -1739 -1740 if self._match(TokenType.L_PAREN): -1741 columns = self._parse_csv(self._parse_function_parameter) -1742 self._match_r_paren() if columns else self._retreat(index) -1743 else: -1744 columns = None -1745 -1746 if not alias and not columns: -1747 return None -1748 -1749 return self.expression(exp.TableAlias, this=alias, columns=columns) -1750 -1751 def _parse_subquery( -1752 self, this: t.Optional[exp.Expression], parse_alias: bool = True -1753 ) -> exp.Expression: -1754 return self.expression( -1755 exp.Subquery, -1756 this=this, -1757 pivots=self._parse_pivots(), -1758 alias=self._parse_table_alias() if parse_alias else None, -1759 ) +1711 from_ = self._parse_from() +1712 if from_: +1713 this.set("from", from_) +1714 +1715 self._parse_query_modifiers(this) +1716 elif (table or nested) and self._match(TokenType.L_PAREN): +1717 this = self._parse_table() if table else self._parse_select(nested=True) +1718 self._parse_query_modifiers(this) +1719 this = self._parse_set_operations(this) +1720 self._match_r_paren() +1721 +1722 # early return so that subquery unions aren't parsed again +1723 # SELECT * FROM (SELECT 1) UNION ALL SELECT 1 +1724 # Union ALL should be a property of the top select node, not the subquery +1725 return self._parse_subquery(this, parse_alias=parse_subquery_alias) +1726 elif self._match(TokenType.VALUES): +1727 this = self.expression( +1728 exp.Values, +1729 expressions=self._parse_csv(self._parse_value), +1730 alias=self._parse_table_alias(), +1731 ) +1732 else: +1733 this = None +1734 +1735 return self._parse_set_operations(this) +1736 +1737 def _parse_with(self, skip_with_token: bool = False) -> t.Optional[exp.Expression]: +1738 if not skip_with_token and not self._match(TokenType.WITH): +1739 return None +1740 +1741 recursive = self._match(TokenType.RECURSIVE) +1742 +1743 expressions = [] +1744 while True: +1745 expressions.append(self._parse_cte()) +1746 +1747 if not self._match(TokenType.COMMA) and not self._match(TokenType.WITH): +1748 break +1749 else: +1750 self._match(TokenType.WITH) +1751 +1752 return self.expression(exp.With, expressions=expressions, recursive=recursive) +1753 +1754 def _parse_cte(self) -> exp.Expression: +1755 alias = self._parse_table_alias() +1756 if not alias or not alias.this: +1757 self.raise_error("Expected CTE to have alias") +1758 +1759 self._match(TokenType.ALIAS) 1760 -1761 def _parse_query_modifiers(self, this: t.Optional[exp.Expression]) -> None: -1762 if not isinstance(this, self.MODIFIABLES): -1763 return -1764 -1765 table = isinstance(this, exp.Table) +1761 return self.expression( +1762 exp.CTE, +1763 this=self._parse_wrapped(self._parse_statement), +1764 alias=alias, +1765 ) 1766 -1767 while True: -1768 lateral = self._parse_lateral() -1769 join = self._parse_join() -1770 comma = None if table else self._match(TokenType.COMMA) -1771 if lateral: -1772 this.append("laterals", lateral) -1773 if join: -1774 this.append("joins", join) -1775 if comma: -1776 this.args["from"].append("expressions", self._parse_table()) -1777 if not (lateral or join or comma): -1778 break -1779 -1780 for key, parser in self.QUERY_MODIFIER_PARSERS.items(): -1781 expression = parser(self) -1782 -1783 if expression: -1784 this.set(key, expression) -1785 -1786 def _parse_hint(self) -> t.Optional[exp.Expression]: -1787 if self._match(TokenType.HINT): -1788 hints = self._parse_csv(self._parse_function) -1789 if not self._match_pair(TokenType.STAR, TokenType.SLASH): -1790 self.raise_error("Expected */ after HINT") -1791 return self.expression(exp.Hint, expressions=hints) -1792 -1793 return None -1794 -1795 def _parse_into(self) -> t.Optional[exp.Expression]: -1796 if not self._match(TokenType.INTO): -1797 return None -1798 -1799 temp = self._match(TokenType.TEMPORARY) -1800 unlogged = self._match(TokenType.UNLOGGED) -1801 self._match(TokenType.TABLE) +1767 def _parse_table_alias( +1768 self, alias_tokens: t.Optional[t.Collection[TokenType]] = None +1769 ) -> t.Optional[exp.Expression]: +1770 any_token = self._match(TokenType.ALIAS) +1771 alias = self._parse_id_var( +1772 any_token=any_token, tokens=alias_tokens or self.TABLE_ALIAS_TOKENS +1773 ) +1774 index = self._index +1775 +1776 if self._match(TokenType.L_PAREN): +1777 columns = self._parse_csv(self._parse_function_parameter) +1778 self._match_r_paren() if columns else self._retreat(index) +1779 else: +1780 columns = None +1781 +1782 if not alias and not columns: +1783 return None +1784 +1785 return self.expression(exp.TableAlias, this=alias, columns=columns) +1786 +1787 def _parse_subquery( +1788 self, this: t.Optional[exp.Expression], parse_alias: bool = True +1789 ) -> exp.Expression: +1790 return self.expression( +1791 exp.Subquery, +1792 this=this, +1793 pivots=self._parse_pivots(), +1794 alias=self._parse_table_alias() if parse_alias else None, +1795 ) +1796 +1797 def _parse_query_modifiers(self, this: t.Optional[exp.Expression]) -> None: +1798 if not isinstance(this, self.MODIFIABLES): +1799 return +1800 +1801 table = isinstance(this, exp.Table) 1802 -1803 return self.expression( -1804 exp.Into, this=self._parse_table(schema=True), temporary=temp, unlogged=unlogged -1805 ) -1806 -1807 def _parse_from(self) -> t.Optional[exp.Expression]: -1808 if not self._match(TokenType.FROM): -1809 return None -1810 -1811 return self.expression( -1812 exp.From, comments=self._prev_comments, expressions=self._parse_csv(self._parse_table) -1813 ) -1814 -1815 def _parse_match_recognize(self) -> t.Optional[exp.Expression]: -1816 if not self._match(TokenType.MATCH_RECOGNIZE): -1817 return None -1818 self._match_l_paren() -1819 -1820 partition = self._parse_partition_by() -1821 order = self._parse_order() -1822 measures = ( -1823 self._parse_alias(self._parse_conjunction()) -1824 if self._match_text_seq("MEASURES") -1825 else None -1826 ) -1827 -1828 if self._match_text_seq("ONE", "ROW", "PER", "MATCH"): -1829 rows = exp.Var(this="ONE ROW PER MATCH") -1830 elif self._match_text_seq("ALL", "ROWS", "PER", "MATCH"): -1831 text = "ALL ROWS PER MATCH" -1832 if self._match_text_seq("SHOW", "EMPTY", "MATCHES"): -1833 text += f" SHOW EMPTY MATCHES" -1834 elif self._match_text_seq("OMIT", "EMPTY", "MATCHES"): -1835 text += f" OMIT EMPTY MATCHES" -1836 elif self._match_text_seq("WITH", "UNMATCHED", "ROWS"): -1837 text += f" WITH UNMATCHED ROWS" -1838 rows = exp.Var(this=text) -1839 else: -1840 rows = None -1841 -1842 if self._match_text_seq("AFTER", "MATCH", "SKIP"): -1843 text = "AFTER MATCH SKIP" -1844 if self._match_text_seq("PAST", "LAST", "ROW"): -1845 text += f" PAST LAST ROW" -1846 elif self._match_text_seq("TO", "NEXT", "ROW"): -1847 text += f" TO NEXT ROW" -1848 elif self._match_text_seq("TO", "FIRST"): -1849 text += f" TO FIRST {self._advance_any().text}" # type: ignore -1850 elif self._match_text_seq("TO", "LAST"): -1851 text += f" TO LAST {self._advance_any().text}" # type: ignore -1852 after = exp.Var(this=text) -1853 else: -1854 after = None +1803 while True: +1804 lateral = self._parse_lateral() +1805 join = self._parse_join() +1806 comma = None if table else self._match(TokenType.COMMA) +1807 if lateral: +1808 this.append("laterals", lateral) +1809 if join: +1810 this.append("joins", join) +1811 if comma: +1812 this.args["from"].append("expressions", self._parse_table()) +1813 if not (lateral or join or comma): +1814 break +1815 +1816 for key, parser in self.QUERY_MODIFIER_PARSERS.items(): +1817 expression = parser(self) +1818 +1819 if expression: +1820 this.set(key, expression) +1821 +1822 def _parse_hint(self) -> t.Optional[exp.Expression]: +1823 if self._match(TokenType.HINT): +1824 hints = self._parse_csv(self._parse_function) +1825 if not self._match_pair(TokenType.STAR, TokenType.SLASH): +1826 self.raise_error("Expected */ after HINT") +1827 return self.expression(exp.Hint, expressions=hints) +1828 +1829 return None +1830 +1831 def _parse_into(self) -> t.Optional[exp.Expression]: +1832 if not self._match(TokenType.INTO): +1833 return None +1834 +1835 temp = self._match(TokenType.TEMPORARY) +1836 unlogged = self._match(TokenType.UNLOGGED) +1837 self._match(TokenType.TABLE) +1838 +1839 return self.expression( +1840 exp.Into, this=self._parse_table(schema=True), temporary=temp, unlogged=unlogged +1841 ) +1842 +1843 def _parse_from(self) -> t.Optional[exp.Expression]: +1844 if not self._match(TokenType.FROM): +1845 return None +1846 +1847 return self.expression( +1848 exp.From, comments=self._prev_comments, expressions=self._parse_csv(self._parse_table) +1849 ) +1850 +1851 def _parse_match_recognize(self) -> t.Optional[exp.Expression]: +1852 if not self._match(TokenType.MATCH_RECOGNIZE): +1853 return None +1854 self._match_l_paren() 1855 -1856 if self._match_text_seq("PATTERN"): -1857 self._match_l_paren() -1858 -1859 if not self._curr: -1860 self.raise_error("Expecting )", self._curr) -1861 -1862 paren = 1 -1863 start = self._curr -1864 -1865 while self._curr and paren > 0: -1866 if self._curr.token_type == TokenType.L_PAREN: -1867 paren += 1 -1868 if self._curr.token_type == TokenType.R_PAREN: -1869 paren -= 1 -1870 end = self._prev -1871 self._advance() -1872 if paren > 0: -1873 self.raise_error("Expecting )", self._curr) -1874 pattern = exp.Var(this=self._find_sql(start, end)) +1856 partition = self._parse_partition_by() +1857 order = self._parse_order() +1858 measures = ( +1859 self._parse_alias(self._parse_conjunction()) +1860 if self._match_text_seq("MEASURES") +1861 else None +1862 ) +1863 +1864 if self._match_text_seq("ONE", "ROW", "PER", "MATCH"): +1865 rows = exp.Var(this="ONE ROW PER MATCH") +1866 elif self._match_text_seq("ALL", "ROWS", "PER", "MATCH"): +1867 text = "ALL ROWS PER MATCH" +1868 if self._match_text_seq("SHOW", "EMPTY", "MATCHES"): +1869 text += f" SHOW EMPTY MATCHES" +1870 elif self._match_text_seq("OMIT", "EMPTY", "MATCHES"): +1871 text += f" OMIT EMPTY MATCHES" +1872 elif self._match_text_seq("WITH", "UNMATCHED", "ROWS"): +1873 text += f" WITH UNMATCHED ROWS" +1874 rows = exp.Var(this=text) 1875 else: -1876 pattern = None +1876 rows = None 1877 -1878 define = ( -1879 self._parse_alias(self._parse_conjunction()) if self._match_text_seq("DEFINE") else None -1880 ) -1881 self._match_r_paren() -1882 -1883 return self.expression( -1884 exp.MatchRecognize, -1885 partition_by=partition, -1886 order=order, -1887 measures=measures, -1888 rows=rows, -1889 after=after, -1890 pattern=pattern, -1891 define=define, -1892 ) -1893 -1894 def _parse_lateral(self) -> t.Optional[exp.Expression]: -1895 outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY) -1896 cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY) +1878 if self._match_text_seq("AFTER", "MATCH", "SKIP"): +1879 text = "AFTER MATCH SKIP" +1880 if self._match_text_seq("PAST", "LAST", "ROW"): +1881 text += f" PAST LAST ROW" +1882 elif self._match_text_seq("TO", "NEXT", "ROW"): +1883 text += f" TO NEXT ROW" +1884 elif self._match_text_seq("TO", "FIRST"): +1885 text += f" TO FIRST {self._advance_any().text}" # type: ignore +1886 elif self._match_text_seq("TO", "LAST"): +1887 text += f" TO LAST {self._advance_any().text}" # type: ignore +1888 after = exp.Var(this=text) +1889 else: +1890 after = None +1891 +1892 if self._match_text_seq("PATTERN"): +1893 self._match_l_paren() +1894 +1895 if not self._curr: +1896 self.raise_error("Expecting )", self._curr) 1897 -1898 if outer_apply or cross_apply: -1899 this = self._parse_select(table=True) -1900 view = None -1901 outer = not cross_apply -1902 elif self._match(TokenType.LATERAL): -1903 this = self._parse_select(table=True) -1904 view = self._match(TokenType.VIEW) -1905 outer = self._match(TokenType.OUTER) -1906 else: -1907 return None -1908 -1909 if not this: -1910 this = self._parse_function() or self._parse_id_var(any_token=False) -1911 while self._match(TokenType.DOT): -1912 this = exp.Dot( -1913 this=this, -1914 expression=self._parse_function() or self._parse_id_var(any_token=False), -1915 ) -1916 -1917 table_alias: t.Optional[exp.Expression] +1898 paren = 1 +1899 start = self._curr +1900 +1901 while self._curr and paren > 0: +1902 if self._curr.token_type == TokenType.L_PAREN: +1903 paren += 1 +1904 if self._curr.token_type == TokenType.R_PAREN: +1905 paren -= 1 +1906 end = self._prev +1907 self._advance() +1908 if paren > 0: +1909 self.raise_error("Expecting )", self._curr) +1910 pattern = exp.Var(this=self._find_sql(start, end)) +1911 else: +1912 pattern = None +1913 +1914 define = ( +1915 self._parse_alias(self._parse_conjunction()) if self._match_text_seq("DEFINE") else None +1916 ) +1917 self._match_r_paren() 1918 -1919 if view: -1920 table = self._parse_id_var(any_token=False) -1921 columns = self._parse_csv(self._parse_id_var) if self._match(TokenType.ALIAS) else [] -1922 table_alias = self.expression(exp.TableAlias, this=table, columns=columns) -1923 else: -1924 table_alias = self._parse_table_alias() -1925 -1926 expression = self.expression( -1927 exp.Lateral, -1928 this=this, -1929 view=view, -1930 outer=outer, -1931 alias=table_alias, -1932 ) +1919 return self.expression( +1920 exp.MatchRecognize, +1921 partition_by=partition, +1922 order=order, +1923 measures=measures, +1924 rows=rows, +1925 after=after, +1926 pattern=pattern, +1927 define=define, +1928 ) +1929 +1930 def _parse_lateral(self) -> t.Optional[exp.Expression]: +1931 outer_apply = self._match_pair(TokenType.OUTER, TokenType.APPLY) +1932 cross_apply = self._match_pair(TokenType.CROSS, TokenType.APPLY) 1933 1934 if outer_apply or cross_apply: -1935 return self.expression(exp.Join, this=expression, side=None if cross_apply else "LEFT") -1936 -1937 return expression -1938 -1939 def _parse_join_side_and_kind( -1940 self, -1941 ) -> t.Tuple[t.Optional[Token], t.Optional[Token], t.Optional[Token]]: -1942 return ( -1943 self._match(TokenType.NATURAL) and self._prev, -1944 self._match_set(self.JOIN_SIDES) and self._prev, -1945 self._match_set(self.JOIN_KINDS) and self._prev, -1946 ) -1947 -1948 def _parse_join(self, skip_join_token: bool = False) -> t.Optional[exp.Expression]: -1949 natural, side, kind = self._parse_join_side_and_kind() -1950 -1951 if not skip_join_token and not self._match(TokenType.JOIN): -1952 return None -1953 -1954 kwargs: t.Dict[ -1955 str, t.Optional[exp.Expression] | bool | str | t.List[t.Optional[exp.Expression]] -1956 ] = {"this": self._parse_table()} -1957 -1958 if natural: -1959 kwargs["natural"] = True -1960 if side: -1961 kwargs["side"] = side.text -1962 if kind: -1963 kwargs["kind"] = kind.text -1964 -1965 if self._match(TokenType.ON): -1966 kwargs["on"] = self._parse_conjunction() -1967 elif self._match(TokenType.USING): -1968 kwargs["using"] = self._parse_wrapped_id_vars() +1935 this = self._parse_select(table=True) +1936 view = None +1937 outer = not cross_apply +1938 elif self._match(TokenType.LATERAL): +1939 this = self._parse_select(table=True) +1940 view = self._match(TokenType.VIEW) +1941 outer = self._match(TokenType.OUTER) +1942 else: +1943 return None +1944 +1945 if not this: +1946 this = self._parse_function() or self._parse_id_var(any_token=False) +1947 while self._match(TokenType.DOT): +1948 this = exp.Dot( +1949 this=this, +1950 expression=self._parse_function() or self._parse_id_var(any_token=False), +1951 ) +1952 +1953 table_alias: t.Optional[exp.Expression] +1954 +1955 if view: +1956 table = self._parse_id_var(any_token=False) +1957 columns = self._parse_csv(self._parse_id_var) if self._match(TokenType.ALIAS) else [] +1958 table_alias = self.expression(exp.TableAlias, this=table, columns=columns) +1959 else: +1960 table_alias = self._parse_table_alias() +1961 +1962 expression = self.expression( +1963 exp.Lateral, +1964 this=this, +1965 view=view, +1966 outer=outer, +1967 alias=table_alias, +1968 ) 1969 -1970 return self.expression(exp.Join, **kwargs) # type: ignore -1971 -1972 def _parse_index(self) -> exp.Expression: -1973 index = self._parse_id_var() -1974 self._match(TokenType.ON) -1975 self._match(TokenType.TABLE) # hive -1976 -1977 return self.expression( -1978 exp.Index, -1979 this=index, -1980 table=self.expression(exp.Table, this=self._parse_id_var()), -1981 columns=self._parse_expression(), +1970 if outer_apply or cross_apply: +1971 return self.expression(exp.Join, this=expression, side=None if cross_apply else "LEFT") +1972 +1973 return expression +1974 +1975 def _parse_join_side_and_kind( +1976 self, +1977 ) -> t.Tuple[t.Optional[Token], t.Optional[Token], t.Optional[Token]]: +1978 return ( +1979 self._match(TokenType.NATURAL) and self._prev, +1980 self._match_set(self.JOIN_SIDES) and self._prev, +1981 self._match_set(self.JOIN_KINDS) and self._prev, 1982 ) 1983 -1984 def _parse_create_table_index(self) -> t.Optional[exp.Expression]: -1985 unique = self._match(TokenType.UNIQUE) -1986 primary = self._match_text_seq("PRIMARY") -1987 amp = self._match_text_seq("AMP") -1988 if not self._match(TokenType.INDEX): -1989 return None -1990 index = self._parse_id_var() -1991 columns = None -1992 if self._match(TokenType.L_PAREN, advance=False): -1993 columns = self._parse_wrapped_csv(self._parse_column) -1994 return self.expression( -1995 exp.Index, -1996 this=index, -1997 columns=columns, -1998 unique=unique, -1999 primary=primary, -2000 amp=amp, -2001 ) -2002 -2003 def _parse_table_parts(self, schema: bool = False) -> exp.Expression: -2004 catalog = None -2005 db = None -2006 table = (not schema and self._parse_function()) or self._parse_id_var(any_token=False) +1984 def _parse_join(self, skip_join_token: bool = False) -> t.Optional[exp.Expression]: +1985 natural, side, kind = self._parse_join_side_and_kind() +1986 +1987 if not skip_join_token and not self._match(TokenType.JOIN): +1988 return None +1989 +1990 kwargs: t.Dict[ +1991 str, t.Optional[exp.Expression] | bool | str | t.List[t.Optional[exp.Expression]] +1992 ] = {"this": self._parse_table()} +1993 +1994 if natural: +1995 kwargs["natural"] = True +1996 if side: +1997 kwargs["side"] = side.text +1998 if kind: +1999 kwargs["kind"] = kind.text +2000 +2001 if self._match(TokenType.ON): +2002 kwargs["on"] = self._parse_conjunction() +2003 elif self._match(TokenType.USING): +2004 kwargs["using"] = self._parse_wrapped_id_vars() +2005 +2006 return self.expression(exp.Join, **kwargs) # type: ignore 2007 -2008 while self._match(TokenType.DOT): -2009 if catalog: -2010 # This allows nesting the table in arbitrarily many dot expressions if needed -2011 table = self.expression(exp.Dot, this=table, expression=self._parse_id_var()) -2012 else: -2013 catalog = db -2014 db = table -2015 table = self._parse_id_var() -2016 -2017 if not table: -2018 self.raise_error(f"Expected table name but got {self._curr}") +2008 def _parse_index(self) -> exp.Expression: +2009 index = self._parse_id_var() +2010 self._match(TokenType.ON) +2011 self._match(TokenType.TABLE) # hive +2012 +2013 return self.expression( +2014 exp.Index, +2015 this=index, +2016 table=self.expression(exp.Table, this=self._parse_id_var()), +2017 columns=self._parse_expression(), +2018 ) 2019 -2020 return self.expression( -2021 exp.Table, this=table, db=db, catalog=catalog, pivots=self._parse_pivots() -2022 ) -2023 -2024 def _parse_table( -2025 self, schema: bool = False, alias_tokens: t.Optional[t.Collection[TokenType]] = None -2026 ) -> t.Optional[exp.Expression]: -2027 lateral = self._parse_lateral() -2028 -2029 if lateral: -2030 return lateral -2031 -2032 unnest = self._parse_unnest() -2033 -2034 if unnest: -2035 return unnest -2036 -2037 values = self._parse_derived_table_values() +2020 def _parse_create_table_index(self) -> t.Optional[exp.Expression]: +2021 unique = self._match(TokenType.UNIQUE) +2022 primary = self._match_text_seq("PRIMARY") +2023 amp = self._match_text_seq("AMP") +2024 if not self._match(TokenType.INDEX): +2025 return None +2026 index = self._parse_id_var() +2027 columns = None +2028 if self._match(TokenType.L_PAREN, advance=False): +2029 columns = self._parse_wrapped_csv(self._parse_column) +2030 return self.expression( +2031 exp.Index, +2032 this=index, +2033 columns=columns, +2034 unique=unique, +2035 primary=primary, +2036 amp=amp, +2037 ) 2038 -2039 if values: -2040 return values -2041 -2042 subquery = self._parse_select(table=True) +2039 def _parse_table_parts(self, schema: bool = False) -> exp.Expression: +2040 catalog = None +2041 db = None +2042 table = (not schema and self._parse_function()) or self._parse_id_var(any_token=False) 2043 -2044 if subquery: -2045 return subquery -2046 -2047 this = self._parse_table_parts(schema=schema) -2048 -2049 if schema: -2050 return self._parse_schema(this=this) -2051 -2052 if self.alias_post_tablesample: -2053 table_sample = self._parse_table_sample() -2054 -2055 alias = self._parse_table_alias(alias_tokens=alias_tokens or self.TABLE_ALIAS_TOKENS) -2056 -2057 if alias: -2058 this.set("alias", alias) +2044 while self._match(TokenType.DOT): +2045 if catalog: +2046 # This allows nesting the table in arbitrarily many dot expressions if needed +2047 table = self.expression(exp.Dot, this=table, expression=self._parse_id_var()) +2048 else: +2049 catalog = db +2050 db = table +2051 table = self._parse_id_var() +2052 +2053 if not table: +2054 self.raise_error(f"Expected table name but got {self._curr}") +2055 +2056 return self.expression( +2057 exp.Table, this=table, db=db, catalog=catalog, pivots=self._parse_pivots() +2058 ) 2059 -2060 if not this.args.get("pivots"): -2061 this.set("pivots", self._parse_pivots()) -2062 -2063 if self._match_pair(TokenType.WITH, TokenType.L_PAREN): -2064 this.set( -2065 "hints", -2066 self._parse_csv(lambda: self._parse_function() or self._parse_var(any_token=True)), -2067 ) -2068 self._match_r_paren() +2060 def _parse_table( +2061 self, schema: bool = False, alias_tokens: t.Optional[t.Collection[TokenType]] = None +2062 ) -> t.Optional[exp.Expression]: +2063 lateral = self._parse_lateral() +2064 +2065 if lateral: +2066 return lateral +2067 +2068 unnest = self._parse_unnest() 2069 -2070 if not self.alias_post_tablesample: -2071 table_sample = self._parse_table_sample() +2070 if unnest: +2071 return unnest 2072 -2073 if table_sample: -2074 table_sample.set("this", this) -2075 this = table_sample -2076 -2077 return this -2078 -2079 def _parse_unnest(self) -> t.Optional[exp.Expression]: -2080 if not self._match(TokenType.UNNEST): -2081 return None +2073 values = self._parse_derived_table_values() +2074 +2075 if values: +2076 return values +2077 +2078 subquery = self._parse_select(table=True) +2079 +2080 if subquery: +2081 return subquery 2082 -2083 expressions = self._parse_wrapped_csv(self._parse_column) -2084 ordinality = bool(self._match(TokenType.WITH) and self._match(TokenType.ORDINALITY)) -2085 alias = self._parse_table_alias() -2086 -2087 if alias and self.unnest_column_only: -2088 if alias.args.get("columns"): -2089 self.raise_error("Unexpected extra column alias in unnest.") -2090 alias.set("columns", [alias.this]) -2091 alias.set("this", None) +2083 this = self._parse_table_parts(schema=schema) +2084 +2085 if schema: +2086 return self._parse_schema(this=this) +2087 +2088 if self.alias_post_tablesample: +2089 table_sample = self._parse_table_sample() +2090 +2091 alias = self._parse_table_alias(alias_tokens=alias_tokens or self.TABLE_ALIAS_TOKENS) 2092 -2093 offset = None -2094 if self._match_pair(TokenType.WITH, TokenType.OFFSET): -2095 self._match(TokenType.ALIAS) -2096 offset = self._parse_conjunction() -2097 -2098 return self.expression( -2099 exp.Unnest, -2100 expressions=expressions, -2101 ordinality=ordinality, -2102 alias=alias, -2103 offset=offset, -2104 ) +2093 if alias: +2094 this.set("alias", alias) +2095 +2096 if not this.args.get("pivots"): +2097 this.set("pivots", self._parse_pivots()) +2098 +2099 if self._match_pair(TokenType.WITH, TokenType.L_PAREN): +2100 this.set( +2101 "hints", +2102 self._parse_csv(lambda: self._parse_function() or self._parse_var(any_token=True)), +2103 ) +2104 self._match_r_paren() 2105 -2106 def _parse_derived_table_values(self) -> t.Optional[exp.Expression]: -2107 is_derived = self._match_pair(TokenType.L_PAREN, TokenType.VALUES) -2108 if not is_derived and not self._match(TokenType.VALUES): -2109 return None -2110 -2111 expressions = self._parse_csv(self._parse_value) +2106 if not self.alias_post_tablesample: +2107 table_sample = self._parse_table_sample() +2108 +2109 if table_sample: +2110 table_sample.set("this", this) +2111 this = table_sample 2112 -2113 if is_derived: -2114 self._match_r_paren() -2115 -2116 return self.expression(exp.Values, expressions=expressions, alias=self._parse_table_alias()) -2117 -2118 def _parse_table_sample(self) -> t.Optional[exp.Expression]: -2119 if not self._match(TokenType.TABLE_SAMPLE): -2120 return None -2121 -2122 method = self._parse_var() -2123 bucket_numerator = None -2124 bucket_denominator = None -2125 bucket_field = None -2126 percent = None -2127 rows = None -2128 size = None -2129 seed = None -2130 -2131 self._match_l_paren() -2132 -2133 if self._match(TokenType.BUCKET): -2134 bucket_numerator = self._parse_number() -2135 self._match(TokenType.OUT_OF) -2136 bucket_denominator = bucket_denominator = self._parse_number() -2137 self._match(TokenType.ON) -2138 bucket_field = self._parse_field() -2139 else: -2140 num = self._parse_number() +2113 return this +2114 +2115 def _parse_unnest(self) -> t.Optional[exp.Expression]: +2116 if not self._match(TokenType.UNNEST): +2117 return None +2118 +2119 expressions = self._parse_wrapped_csv(self._parse_column) +2120 ordinality = bool(self._match(TokenType.WITH) and self._match(TokenType.ORDINALITY)) +2121 alias = self._parse_table_alias() +2122 +2123 if alias and self.unnest_column_only: +2124 if alias.args.get("columns"): +2125 self.raise_error("Unexpected extra column alias in unnest.") +2126 alias.set("columns", [alias.this]) +2127 alias.set("this", None) +2128 +2129 offset = None +2130 if self._match_pair(TokenType.WITH, TokenType.OFFSET): +2131 self._match(TokenType.ALIAS) +2132 offset = self._parse_conjunction() +2133 +2134 return self.expression( +2135 exp.Unnest, +2136 expressions=expressions, +2137 ordinality=ordinality, +2138 alias=alias, +2139 offset=offset, +2140 ) 2141 -2142 if self._match(TokenType.PERCENT): -2143 percent = num -2144 elif self._match(TokenType.ROWS): -2145 rows = num -2146 else: -2147 size = num +2142 def _parse_derived_table_values(self) -> t.Optional[exp.Expression]: +2143 is_derived = self._match_pair(TokenType.L_PAREN, TokenType.VALUES) +2144 if not is_derived and not self._match(TokenType.VALUES): +2145 return None +2146 +2147 expressions = self._parse_csv(self._parse_value) 2148 -2149 self._match_r_paren() -2150 -2151 if self._match(TokenType.SEED): -2152 seed = self._parse_wrapped(self._parse_number) +2149 if is_derived: +2150 self._match_r_paren() +2151 +2152 return self.expression(exp.Values, expressions=expressions, alias=self._parse_table_alias()) 2153 -2154 return self.expression( -2155 exp.TableSample, -2156 method=method, -2157 bucket_numerator=bucket_numerator, -2158 bucket_denominator=bucket_denominator, -2159 bucket_field=bucket_field, -2160 percent=percent, -2161 rows=rows, -2162 size=size, -2163 seed=seed, -2164 ) -2165 -2166 def _parse_pivots(self) -> t.List[t.Optional[exp.Expression]]: -2167 return list(iter(self._parse_pivot, None)) +2154 def _parse_table_sample(self) -> t.Optional[exp.Expression]: +2155 if not self._match(TokenType.TABLE_SAMPLE): +2156 return None +2157 +2158 method = self._parse_var() +2159 bucket_numerator = None +2160 bucket_denominator = None +2161 bucket_field = None +2162 percent = None +2163 rows = None +2164 size = None +2165 seed = None +2166 +2167 self._match_l_paren() 2168 -2169 def _parse_pivot(self) -> t.Optional[exp.Expression]: -2170 index = self._index -2171 -2172 if self._match(TokenType.PIVOT): -2173 unpivot = False -2174 elif self._match(TokenType.UNPIVOT): -2175 unpivot = True -2176 else: -2177 return None -2178 -2179 expressions = [] -2180 field = None -2181 -2182 if not self._match(TokenType.L_PAREN): -2183 self._retreat(index) -2184 return None -2185 -2186 if unpivot: -2187 expressions = self._parse_csv(self._parse_column) -2188 else: -2189 expressions = self._parse_csv(lambda: self._parse_alias(self._parse_function())) -2190 -2191 if not self._match(TokenType.FOR): -2192 self.raise_error("Expecting FOR") -2193 -2194 value = self._parse_column() -2195 -2196 if not self._match(TokenType.IN): -2197 self.raise_error("Expecting IN") -2198 -2199 field = self._parse_in(value) -2200 -2201 self._match_r_paren() -2202 -2203 pivot = self.expression(exp.Pivot, expressions=expressions, field=field, unpivot=unpivot) +2169 if self._match(TokenType.BUCKET): +2170 bucket_numerator = self._parse_number() +2171 self._match(TokenType.OUT_OF) +2172 bucket_denominator = bucket_denominator = self._parse_number() +2173 self._match(TokenType.ON) +2174 bucket_field = self._parse_field() +2175 else: +2176 num = self._parse_number() +2177 +2178 if self._match(TokenType.PERCENT): +2179 percent = num +2180 elif self._match(TokenType.ROWS): +2181 rows = num +2182 else: +2183 size = num +2184 +2185 self._match_r_paren() +2186 +2187 if self._match(TokenType.SEED): +2188 seed = self._parse_wrapped(self._parse_number) +2189 +2190 return self.expression( +2191 exp.TableSample, +2192 method=method, +2193 bucket_numerator=bucket_numerator, +2194 bucket_denominator=bucket_denominator, +2195 bucket_field=bucket_field, +2196 percent=percent, +2197 rows=rows, +2198 size=size, +2199 seed=seed, +2200 ) +2201 +2202 def _parse_pivots(self) -> t.List[t.Optional[exp.Expression]]: +2203 return list(iter(self._parse_pivot, None)) 2204 -2205 if not self._match_set((TokenType.PIVOT, TokenType.UNPIVOT), advance=False): -2206 pivot.set("alias", self._parse_table_alias()) +2205 def _parse_pivot(self) -> t.Optional[exp.Expression]: +2206 index = self._index 2207 -2208 return pivot -2209 -2210 def _parse_where(self, skip_where_token: bool = False) -> t.Optional[exp.Expression]: -2211 if not skip_where_token and not self._match(TokenType.WHERE): -2212 return None -2213 -2214 return self.expression( -2215 exp.Where, comments=self._prev_comments, this=self._parse_conjunction() -2216 ) +2208 if self._match(TokenType.PIVOT): +2209 unpivot = False +2210 elif self._match(TokenType.UNPIVOT): +2211 unpivot = True +2212 else: +2213 return None +2214 +2215 expressions = [] +2216 field = None 2217 -2218 def _parse_group(self, skip_group_by_token: bool = False) -> t.Optional[exp.Expression]: -2219 if not skip_group_by_token and not self._match(TokenType.GROUP_BY): +2218 if not self._match(TokenType.L_PAREN): +2219 self._retreat(index) 2220 return None 2221 -2222 elements = defaultdict(list) -2223 -2224 while True: -2225 expressions = self._parse_csv(self._parse_conjunction) -2226 if expressions: -2227 elements["expressions"].extend(expressions) -2228 -2229 grouping_sets = self._parse_grouping_sets() -2230 if grouping_sets: -2231 elements["grouping_sets"].extend(grouping_sets) -2232 -2233 rollup = None -2234 cube = None -2235 -2236 with_ = self._match(TokenType.WITH) -2237 if self._match(TokenType.ROLLUP): -2238 rollup = with_ or self._parse_wrapped_csv(self._parse_column) -2239 elements["rollup"].extend(ensure_list(rollup)) +2222 if unpivot: +2223 expressions = self._parse_csv(self._parse_column) +2224 else: +2225 expressions = self._parse_csv(lambda: self._parse_alias(self._parse_function())) +2226 +2227 if not self._match(TokenType.FOR): +2228 self.raise_error("Expecting FOR") +2229 +2230 value = self._parse_column() +2231 +2232 if not self._match(TokenType.IN): +2233 self.raise_error("Expecting IN") +2234 +2235 field = self._parse_in(value) +2236 +2237 self._match_r_paren() +2238 +2239 pivot = self.expression(exp.Pivot, expressions=expressions, field=field, unpivot=unpivot) 2240 -2241 if self._match(TokenType.CUBE): -2242 cube = with_ or self._parse_wrapped_csv(self._parse_column) -2243 elements["cube"].extend(ensure_list(cube)) -2244 -2245 if not (expressions or grouping_sets or rollup or cube): -2246 break -2247 -2248 return self.expression(exp.Group, **elements) # type: ignore +2241 if not self._match_set((TokenType.PIVOT, TokenType.UNPIVOT), advance=False): +2242 pivot.set("alias", self._parse_table_alias()) +2243 +2244 return pivot +2245 +2246 def _parse_where(self, skip_where_token: bool = False) -> t.Optional[exp.Expression]: +2247 if not skip_where_token and not self._match(TokenType.WHERE): +2248 return None 2249 -2250 def _parse_grouping_sets(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: -2251 if not self._match(TokenType.GROUPING_SETS): -2252 return None +2250 return self.expression( +2251 exp.Where, comments=self._prev_comments, this=self._parse_conjunction() +2252 ) 2253 -2254 return self._parse_wrapped_csv(self._parse_grouping_set) -2255 -2256 def _parse_grouping_set(self) -> t.Optional[exp.Expression]: -2257 if self._match(TokenType.L_PAREN): -2258 grouping_set = self._parse_csv(self._parse_column) -2259 self._match_r_paren() -2260 return self.expression(exp.Tuple, expressions=grouping_set) -2261 -2262 return self._parse_column() -2263 -2264 def _parse_having(self, skip_having_token: bool = False) -> t.Optional[exp.Expression]: -2265 if not skip_having_token and not self._match(TokenType.HAVING): -2266 return None -2267 return self.expression(exp.Having, this=self._parse_conjunction()) +2254 def _parse_group(self, skip_group_by_token: bool = False) -> t.Optional[exp.Expression]: +2255 if not skip_group_by_token and not self._match(TokenType.GROUP_BY): +2256 return None +2257 +2258 elements = defaultdict(list) +2259 +2260 while True: +2261 expressions = self._parse_csv(self._parse_conjunction) +2262 if expressions: +2263 elements["expressions"].extend(expressions) +2264 +2265 grouping_sets = self._parse_grouping_sets() +2266 if grouping_sets: +2267 elements["grouping_sets"].extend(grouping_sets) 2268 -2269 def _parse_qualify(self) -> t.Optional[exp.Expression]: -2270 if not self._match(TokenType.QUALIFY): -2271 return None -2272 return self.expression(exp.Qualify, this=self._parse_conjunction()) -2273 -2274 def _parse_order( -2275 self, this: t.Optional[exp.Expression] = None, skip_order_token: bool = False -2276 ) -> t.Optional[exp.Expression]: -2277 if not skip_order_token and not self._match(TokenType.ORDER_BY): -2278 return this -2279 -2280 return self.expression( -2281 exp.Order, this=this, expressions=self._parse_csv(self._parse_ordered) -2282 ) +2269 rollup = None +2270 cube = None +2271 +2272 with_ = self._match(TokenType.WITH) +2273 if self._match(TokenType.ROLLUP): +2274 rollup = with_ or self._parse_wrapped_csv(self._parse_column) +2275 elements["rollup"].extend(ensure_list(rollup)) +2276 +2277 if self._match(TokenType.CUBE): +2278 cube = with_ or self._parse_wrapped_csv(self._parse_column) +2279 elements["cube"].extend(ensure_list(cube)) +2280 +2281 if not (expressions or grouping_sets or rollup or cube): +2282 break 2283 -2284 def _parse_sort( -2285 self, token_type: TokenType, exp_class: t.Type[exp.Expression] -2286 ) -> t.Optional[exp.Expression]: -2287 if not self._match(token_type): +2284 return self.expression(exp.Group, **elements) # type: ignore +2285 +2286 def _parse_grouping_sets(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: +2287 if not self._match(TokenType.GROUPING_SETS): 2288 return None -2289 return self.expression(exp_class, expressions=self._parse_csv(self._parse_ordered)) -2290 -2291 def _parse_ordered(self) -> exp.Expression: -2292 this = self._parse_conjunction() -2293 self._match(TokenType.ASC) -2294 is_desc = self._match(TokenType.DESC) -2295 is_nulls_first = self._match(TokenType.NULLS_FIRST) -2296 is_nulls_last = self._match(TokenType.NULLS_LAST) -2297 desc = is_desc or False -2298 asc = not desc -2299 nulls_first = is_nulls_first or False -2300 explicitly_null_ordered = is_nulls_first or is_nulls_last -2301 if ( -2302 not explicitly_null_ordered -2303 and ( -2304 (asc and self.null_ordering == "nulls_are_small") -2305 or (desc and self.null_ordering != "nulls_are_small") -2306 ) -2307 and self.null_ordering != "nulls_are_last" -2308 ): -2309 nulls_first = True -2310 -2311 return self.expression(exp.Ordered, this=this, desc=desc, nulls_first=nulls_first) -2312 -2313 def _parse_limit( -2314 self, this: t.Optional[exp.Expression] = None, top: bool = False -2315 ) -> t.Optional[exp.Expression]: -2316 if self._match(TokenType.TOP if top else TokenType.LIMIT): -2317 limit_paren = self._match(TokenType.L_PAREN) -2318 limit_exp = self.expression( -2319 exp.Limit, this=this, expression=self._parse_number() if top else self._parse_term() -2320 ) -2321 -2322 if limit_paren: -2323 self._match_r_paren() -2324 -2325 return limit_exp +2289 +2290 return self._parse_wrapped_csv(self._parse_grouping_set) +2291 +2292 def _parse_grouping_set(self) -> t.Optional[exp.Expression]: +2293 if self._match(TokenType.L_PAREN): +2294 grouping_set = self._parse_csv(self._parse_column) +2295 self._match_r_paren() +2296 return self.expression(exp.Tuple, expressions=grouping_set) +2297 +2298 return self._parse_column() +2299 +2300 def _parse_having(self, skip_having_token: bool = False) -> t.Optional[exp.Expression]: +2301 if not skip_having_token and not self._match(TokenType.HAVING): +2302 return None +2303 return self.expression(exp.Having, this=self._parse_conjunction()) +2304 +2305 def _parse_qualify(self) -> t.Optional[exp.Expression]: +2306 if not self._match(TokenType.QUALIFY): +2307 return None +2308 return self.expression(exp.Qualify, this=self._parse_conjunction()) +2309 +2310 def _parse_order( +2311 self, this: t.Optional[exp.Expression] = None, skip_order_token: bool = False +2312 ) -> t.Optional[exp.Expression]: +2313 if not skip_order_token and not self._match(TokenType.ORDER_BY): +2314 return this +2315 +2316 return self.expression( +2317 exp.Order, this=this, expressions=self._parse_csv(self._parse_ordered) +2318 ) +2319 +2320 def _parse_sort( +2321 self, token_type: TokenType, exp_class: t.Type[exp.Expression] +2322 ) -> t.Optional[exp.Expression]: +2323 if not self._match(token_type): +2324 return None +2325 return self.expression(exp_class, expressions=self._parse_csv(self._parse_ordered)) 2326 -2327 if self._match(TokenType.FETCH): -2328 direction = self._match_set((TokenType.FIRST, TokenType.NEXT)) -2329 direction = self._prev.text if direction else "FIRST" -2330 count = self._parse_number() -2331 self._match_set((TokenType.ROW, TokenType.ROWS)) -2332 self._match(TokenType.ONLY) -2333 return self.expression(exp.Fetch, direction=direction, count=count) -2334 -2335 return this -2336 -2337 def _parse_offset(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]: -2338 if not self._match_set((TokenType.OFFSET, TokenType.COMMA)): -2339 return this -2340 -2341 count = self._parse_number() -2342 self._match_set((TokenType.ROW, TokenType.ROWS)) -2343 return self.expression(exp.Offset, this=this, expression=count) -2344 -2345 def _parse_lock(self) -> t.Optional[exp.Expression]: -2346 if self._match_text_seq("FOR", "UPDATE"): -2347 return self.expression(exp.Lock, update=True) -2348 if self._match_text_seq("FOR", "SHARE"): -2349 return self.expression(exp.Lock, update=False) -2350 -2351 return None -2352 -2353 def _parse_set_operations(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -2354 if not self._match_set(self.SET_OPERATIONS): -2355 return this -2356 -2357 token_type = self._prev.token_type -2358 -2359 if token_type == TokenType.UNION: -2360 expression = exp.Union -2361 elif token_type == TokenType.EXCEPT: -2362 expression = exp.Except -2363 else: -2364 expression = exp.Intersect -2365 -2366 return self.expression( -2367 expression, -2368 this=this, -2369 distinct=self._match(TokenType.DISTINCT) or not self._match(TokenType.ALL), -2370 expression=self._parse_set_operations(self._parse_select(nested=True)), -2371 ) +2327 def _parse_ordered(self) -> exp.Expression: +2328 this = self._parse_conjunction() +2329 self._match(TokenType.ASC) +2330 is_desc = self._match(TokenType.DESC) +2331 is_nulls_first = self._match(TokenType.NULLS_FIRST) +2332 is_nulls_last = self._match(TokenType.NULLS_LAST) +2333 desc = is_desc or False +2334 asc = not desc +2335 nulls_first = is_nulls_first or False +2336 explicitly_null_ordered = is_nulls_first or is_nulls_last +2337 if ( +2338 not explicitly_null_ordered +2339 and ( +2340 (asc and self.null_ordering == "nulls_are_small") +2341 or (desc and self.null_ordering != "nulls_are_small") +2342 ) +2343 and self.null_ordering != "nulls_are_last" +2344 ): +2345 nulls_first = True +2346 +2347 return self.expression(exp.Ordered, this=this, desc=desc, nulls_first=nulls_first) +2348 +2349 def _parse_limit( +2350 self, this: t.Optional[exp.Expression] = None, top: bool = False +2351 ) -> t.Optional[exp.Expression]: +2352 if self._match(TokenType.TOP if top else TokenType.LIMIT): +2353 limit_paren = self._match(TokenType.L_PAREN) +2354 limit_exp = self.expression( +2355 exp.Limit, this=this, expression=self._parse_number() if top else self._parse_term() +2356 ) +2357 +2358 if limit_paren: +2359 self._match_r_paren() +2360 +2361 return limit_exp +2362 +2363 if self._match(TokenType.FETCH): +2364 direction = self._match_set((TokenType.FIRST, TokenType.NEXT)) +2365 direction = self._prev.text if direction else "FIRST" +2366 count = self._parse_number() +2367 self._match_set((TokenType.ROW, TokenType.ROWS)) +2368 self._match(TokenType.ONLY) +2369 return self.expression(exp.Fetch, direction=direction, count=count) +2370 +2371 return this 2372 -2373 def _parse_expression(self) -> t.Optional[exp.Expression]: -2374 return self._parse_alias(self._parse_conjunction()) -2375 -2376 def _parse_conjunction(self) -> t.Optional[exp.Expression]: -2377 return self._parse_tokens(self._parse_equality, self.CONJUNCTION) -2378 -2379 def _parse_equality(self) -> t.Optional[exp.Expression]: -2380 return self._parse_tokens(self._parse_comparison, self.EQUALITY) -2381 -2382 def _parse_comparison(self) -> t.Optional[exp.Expression]: -2383 return self._parse_tokens(self._parse_range, self.COMPARISON) -2384 -2385 def _parse_range(self) -> t.Optional[exp.Expression]: -2386 this = self._parse_bitwise() -2387 negate = self._match(TokenType.NOT) +2373 def _parse_offset(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]: +2374 if not self._match_set((TokenType.OFFSET, TokenType.COMMA)): +2375 return this +2376 +2377 count = self._parse_number() +2378 self._match_set((TokenType.ROW, TokenType.ROWS)) +2379 return self.expression(exp.Offset, this=this, expression=count) +2380 +2381 def _parse_lock(self) -> t.Optional[exp.Expression]: +2382 if self._match_text_seq("FOR", "UPDATE"): +2383 return self.expression(exp.Lock, update=True) +2384 if self._match_text_seq("FOR", "SHARE"): +2385 return self.expression(exp.Lock, update=False) +2386 +2387 return None 2388 -2389 if self._match_set(self.RANGE_PARSERS): -2390 this = self.RANGE_PARSERS[self._prev.token_type](self, this) -2391 elif self._match(TokenType.ISNULL): -2392 this = self.expression(exp.Is, this=this, expression=exp.Null()) -2393 -2394 # Postgres supports ISNULL and NOTNULL for conditions. -2395 # https://blog.andreiavram.ro/postgresql-null-composite-type/ -2396 if self._match(TokenType.NOTNULL): -2397 this = self.expression(exp.Is, this=this, expression=exp.Null()) -2398 this = self.expression(exp.Not, this=this) -2399 -2400 if negate: -2401 this = self.expression(exp.Not, this=this) -2402 -2403 if self._match(TokenType.IS): -2404 this = self._parse_is(this) -2405 -2406 return this -2407 -2408 def _parse_is(self, this: t.Optional[exp.Expression]) -> exp.Expression: -2409 negate = self._match(TokenType.NOT) -2410 if self._match(TokenType.DISTINCT_FROM): -2411 klass = exp.NullSafeEQ if negate else exp.NullSafeNEQ -2412 return self.expression(klass, this=this, expression=self._parse_expression()) -2413 -2414 this = self.expression( -2415 exp.Is, -2416 this=this, -2417 expression=self._parse_null() or self._parse_boolean(), -2418 ) -2419 return self.expression(exp.Not, this=this) if negate else this +2389 def _parse_set_operations(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +2390 if not self._match_set(self.SET_OPERATIONS): +2391 return this +2392 +2393 token_type = self._prev.token_type +2394 +2395 if token_type == TokenType.UNION: +2396 expression = exp.Union +2397 elif token_type == TokenType.EXCEPT: +2398 expression = exp.Except +2399 else: +2400 expression = exp.Intersect +2401 +2402 return self.expression( +2403 expression, +2404 this=this, +2405 distinct=self._match(TokenType.DISTINCT) or not self._match(TokenType.ALL), +2406 expression=self._parse_set_operations(self._parse_select(nested=True)), +2407 ) +2408 +2409 def _parse_expression(self) -> t.Optional[exp.Expression]: +2410 return self._parse_alias(self._parse_conjunction()) +2411 +2412 def _parse_conjunction(self) -> t.Optional[exp.Expression]: +2413 return self._parse_tokens(self._parse_equality, self.CONJUNCTION) +2414 +2415 def _parse_equality(self) -> t.Optional[exp.Expression]: +2416 return self._parse_tokens(self._parse_comparison, self.EQUALITY) +2417 +2418 def _parse_comparison(self) -> t.Optional[exp.Expression]: +2419 return self._parse_tokens(self._parse_range, self.COMPARISON) 2420 -2421 def _parse_in(self, this: t.Optional[exp.Expression]) -> exp.Expression: -2422 unnest = self._parse_unnest() -2423 if unnest: -2424 this = self.expression(exp.In, this=this, unnest=unnest) -2425 elif self._match(TokenType.L_PAREN): -2426 expressions = self._parse_csv(self._parse_select_or_expression) -2427 -2428 if len(expressions) == 1 and isinstance(expressions[0], exp.Subqueryable): -2429 this = self.expression(exp.In, this=this, query=expressions[0]) -2430 else: -2431 this = self.expression(exp.In, this=this, expressions=expressions) -2432 -2433 self._match_r_paren() -2434 else: -2435 this = self.expression(exp.In, this=this, field=self._parse_field()) -2436 -2437 return this +2421 def _parse_range(self) -> t.Optional[exp.Expression]: +2422 this = self._parse_bitwise() +2423 negate = self._match(TokenType.NOT) +2424 +2425 if self._match_set(self.RANGE_PARSERS): +2426 this = self.RANGE_PARSERS[self._prev.token_type](self, this) +2427 elif self._match(TokenType.ISNULL): +2428 this = self.expression(exp.Is, this=this, expression=exp.Null()) +2429 +2430 # Postgres supports ISNULL and NOTNULL for conditions. +2431 # https://blog.andreiavram.ro/postgresql-null-composite-type/ +2432 if self._match(TokenType.NOTNULL): +2433 this = self.expression(exp.Is, this=this, expression=exp.Null()) +2434 this = self.expression(exp.Not, this=this) +2435 +2436 if negate: +2437 this = self.expression(exp.Not, this=this) 2438 -2439 def _parse_between(self, this: exp.Expression) -> exp.Expression: -2440 low = self._parse_bitwise() -2441 self._match(TokenType.AND) -2442 high = self._parse_bitwise() -2443 return self.expression(exp.Between, this=this, low=low, high=high) -2444 -2445 def _parse_escape(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -2446 if not self._match(TokenType.ESCAPE): -2447 return this -2448 return self.expression(exp.Escape, this=this, expression=self._parse_string()) +2439 if self._match(TokenType.IS): +2440 this = self._parse_is(this) +2441 +2442 return this +2443 +2444 def _parse_is(self, this: t.Optional[exp.Expression]) -> exp.Expression: +2445 negate = self._match(TokenType.NOT) +2446 if self._match(TokenType.DISTINCT_FROM): +2447 klass = exp.NullSafeEQ if negate else exp.NullSafeNEQ +2448 return self.expression(klass, this=this, expression=self._parse_expression()) 2449 -2450 def _parse_bitwise(self) -> t.Optional[exp.Expression]: -2451 this = self._parse_term() -2452 -2453 while True: -2454 if self._match_set(self.BITWISE): -2455 this = self.expression( -2456 self.BITWISE[self._prev.token_type], -2457 this=this, -2458 expression=self._parse_term(), -2459 ) -2460 elif self._match_pair(TokenType.LT, TokenType.LT): -2461 this = self.expression( -2462 exp.BitwiseLeftShift, this=this, expression=self._parse_term() -2463 ) -2464 elif self._match_pair(TokenType.GT, TokenType.GT): -2465 this = self.expression( -2466 exp.BitwiseRightShift, this=this, expression=self._parse_term() -2467 ) -2468 else: -2469 break -2470 -2471 return this +2450 this = self.expression( +2451 exp.Is, +2452 this=this, +2453 expression=self._parse_null() or self._parse_boolean(), +2454 ) +2455 return self.expression(exp.Not, this=this) if negate else this +2456 +2457 def _parse_in(self, this: t.Optional[exp.Expression]) -> exp.Expression: +2458 unnest = self._parse_unnest() +2459 if unnest: +2460 this = self.expression(exp.In, this=this, unnest=unnest) +2461 elif self._match(TokenType.L_PAREN): +2462 expressions = self._parse_csv(self._parse_select_or_expression) +2463 +2464 if len(expressions) == 1 and isinstance(expressions[0], exp.Subqueryable): +2465 this = self.expression(exp.In, this=this, query=expressions[0]) +2466 else: +2467 this = self.expression(exp.In, this=this, expressions=expressions) +2468 +2469 self._match_r_paren() +2470 else: +2471 this = self.expression(exp.In, this=this, field=self._parse_field()) 2472 -2473 def _parse_term(self) -> t.Optional[exp.Expression]: -2474 return self._parse_tokens(self._parse_factor, self.TERM) -2475 -2476 def _parse_factor(self) -> t.Optional[exp.Expression]: -2477 return self._parse_tokens(self._parse_unary, self.FACTOR) -2478 -2479 def _parse_unary(self) -> t.Optional[exp.Expression]: -2480 if self._match_set(self.UNARY_PARSERS): -2481 return self.UNARY_PARSERS[self._prev.token_type](self) -2482 return self._parse_at_time_zone(self._parse_type()) -2483 -2484 def _parse_type(self) -> t.Optional[exp.Expression]: -2485 if self._match(TokenType.INTERVAL): -2486 return self.expression(exp.Interval, this=self._parse_term(), unit=self._parse_var()) -2487 -2488 index = self._index -2489 type_token = self._parse_types(check_func=True) -2490 this = self._parse_column() -2491 -2492 if type_token: -2493 if this and not isinstance(this, exp.Star): -2494 return self.expression(exp.Cast, this=this, to=type_token) -2495 if not type_token.args.get("expressions"): -2496 self._retreat(index) -2497 return self._parse_column() -2498 return type_token -2499 -2500 return this -2501 -2502 def _parse_types(self, check_func: bool = False) -> t.Optional[exp.Expression]: -2503 index = self._index -2504 -2505 prefix = self._match_text_seq("SYSUDTLIB", ".") +2473 return this +2474 +2475 def _parse_between(self, this: exp.Expression) -> exp.Expression: +2476 low = self._parse_bitwise() +2477 self._match(TokenType.AND) +2478 high = self._parse_bitwise() +2479 return self.expression(exp.Between, this=this, low=low, high=high) +2480 +2481 def _parse_escape(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +2482 if not self._match(TokenType.ESCAPE): +2483 return this +2484 return self.expression(exp.Escape, this=this, expression=self._parse_string()) +2485 +2486 def _parse_bitwise(self) -> t.Optional[exp.Expression]: +2487 this = self._parse_term() +2488 +2489 while True: +2490 if self._match_set(self.BITWISE): +2491 this = self.expression( +2492 self.BITWISE[self._prev.token_type], +2493 this=this, +2494 expression=self._parse_term(), +2495 ) +2496 elif self._match_pair(TokenType.LT, TokenType.LT): +2497 this = self.expression( +2498 exp.BitwiseLeftShift, this=this, expression=self._parse_term() +2499 ) +2500 elif self._match_pair(TokenType.GT, TokenType.GT): +2501 this = self.expression( +2502 exp.BitwiseRightShift, this=this, expression=self._parse_term() +2503 ) +2504 else: +2505 break 2506 -2507 if not self._match_set(self.TYPE_TOKENS): -2508 return None -2509 -2510 type_token = self._prev.token_type +2507 return this +2508 +2509 def _parse_term(self) -> t.Optional[exp.Expression]: +2510 return self._parse_tokens(self._parse_factor, self.TERM) 2511 -2512 if type_token == TokenType.PSEUDO_TYPE: -2513 return self.expression(exp.PseudoType, this=self._prev.text) +2512 def _parse_factor(self) -> t.Optional[exp.Expression]: +2513 return self._parse_tokens(self._parse_unary, self.FACTOR) 2514 -2515 nested = type_token in self.NESTED_TYPE_TOKENS -2516 is_struct = type_token == TokenType.STRUCT -2517 expressions = None -2518 maybe_func = False +2515 def _parse_unary(self) -> t.Optional[exp.Expression]: +2516 if self._match_set(self.UNARY_PARSERS): +2517 return self.UNARY_PARSERS[self._prev.token_type](self) +2518 return self._parse_at_time_zone(self._parse_type()) 2519 -2520 if self._match(TokenType.L_PAREN): -2521 if is_struct: -2522 expressions = self._parse_csv(self._parse_struct_kwargs) -2523 elif nested: -2524 expressions = self._parse_csv(self._parse_types) -2525 else: -2526 expressions = self._parse_csv(self._parse_conjunction) +2520 def _parse_type(self) -> t.Optional[exp.Expression]: +2521 if self._match(TokenType.INTERVAL): +2522 return self.expression(exp.Interval, this=self._parse_term(), unit=self._parse_var()) +2523 +2524 index = self._index +2525 type_token = self._parse_types(check_func=True) +2526 this = self._parse_column() 2527 -2528 if not expressions: -2529 self._retreat(index) -2530 return None -2531 -2532 self._match_r_paren() -2533 maybe_func = True -2534 -2535 if not nested and self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET): -2536 this = exp.DataType( -2537 this=exp.DataType.Type.ARRAY, -2538 expressions=[exp.DataType.build(type_token.value, expressions=expressions)], -2539 nested=True, -2540 ) -2541 -2542 while self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET): -2543 this = exp.DataType( -2544 this=exp.DataType.Type.ARRAY, -2545 expressions=[this], -2546 nested=True, -2547 ) -2548 -2549 return this +2528 if type_token: +2529 if this and not isinstance(this, exp.Star): +2530 return self.expression(exp.Cast, this=this, to=type_token) +2531 if not type_token.args.get("expressions"): +2532 self._retreat(index) +2533 return self._parse_column() +2534 return type_token +2535 +2536 return this +2537 +2538 def _parse_types(self, check_func: bool = False) -> t.Optional[exp.Expression]: +2539 index = self._index +2540 +2541 prefix = self._match_text_seq("SYSUDTLIB", ".") +2542 +2543 if not self._match_set(self.TYPE_TOKENS): +2544 return None +2545 +2546 type_token = self._prev.token_type +2547 +2548 if type_token == TokenType.PSEUDO_TYPE: +2549 return self.expression(exp.PseudoType, this=self._prev.text) 2550 -2551 if self._match(TokenType.L_BRACKET): -2552 self._retreat(index) -2553 return None -2554 -2555 values: t.Optional[t.List[t.Optional[exp.Expression]]] = None -2556 if nested and self._match(TokenType.LT): +2551 nested = type_token in self.NESTED_TYPE_TOKENS +2552 is_struct = type_token == TokenType.STRUCT +2553 expressions = None +2554 maybe_func = False +2555 +2556 if self._match(TokenType.L_PAREN): 2557 if is_struct: 2558 expressions = self._parse_csv(self._parse_struct_kwargs) -2559 else: +2559 elif nested: 2560 expressions = self._parse_csv(self._parse_types) -2561 -2562 if not self._match(TokenType.GT): -2563 self.raise_error("Expecting >") -2564 -2565 if self._match_set((TokenType.L_BRACKET, TokenType.L_PAREN)): -2566 values = self._parse_csv(self._parse_conjunction) -2567 self._match_set((TokenType.R_BRACKET, TokenType.R_PAREN)) -2568 -2569 value: t.Optional[exp.Expression] = None -2570 if type_token in self.TIMESTAMPS: -2571 if self._match(TokenType.WITH_TIME_ZONE) or type_token == TokenType.TIMESTAMPTZ: -2572 value = exp.DataType(this=exp.DataType.Type.TIMESTAMPTZ, expressions=expressions) -2573 elif ( -2574 self._match(TokenType.WITH_LOCAL_TIME_ZONE) or type_token == TokenType.TIMESTAMPLTZ -2575 ): -2576 value = exp.DataType(this=exp.DataType.Type.TIMESTAMPLTZ, expressions=expressions) -2577 elif self._match(TokenType.WITHOUT_TIME_ZONE): -2578 if type_token == TokenType.TIME: -2579 value = exp.DataType(this=exp.DataType.Type.TIME, expressions=expressions) -2580 else: -2581 value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions) -2582 -2583 maybe_func = maybe_func and value is None +2561 else: +2562 expressions = self._parse_csv(self._parse_conjunction) +2563 +2564 if not expressions: +2565 self._retreat(index) +2566 return None +2567 +2568 self._match_r_paren() +2569 maybe_func = True +2570 +2571 if not nested and self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET): +2572 this = exp.DataType( +2573 this=exp.DataType.Type.ARRAY, +2574 expressions=[exp.DataType.build(type_token.value, expressions=expressions)], +2575 nested=True, +2576 ) +2577 +2578 while self._match_pair(TokenType.L_BRACKET, TokenType.R_BRACKET): +2579 this = exp.DataType( +2580 this=exp.DataType.Type.ARRAY, +2581 expressions=[this], +2582 nested=True, +2583 ) 2584 -2585 if value is None: -2586 value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions) -2587 elif type_token == TokenType.INTERVAL: -2588 value = self.expression(exp.Interval, unit=self._parse_var()) -2589 -2590 if maybe_func and check_func: -2591 index2 = self._index -2592 peek = self._parse_string() -2593 -2594 if not peek: -2595 self._retreat(index) -2596 return None +2585 return this +2586 +2587 if self._match(TokenType.L_BRACKET): +2588 self._retreat(index) +2589 return None +2590 +2591 values: t.Optional[t.List[t.Optional[exp.Expression]]] = None +2592 if nested and self._match(TokenType.LT): +2593 if is_struct: +2594 expressions = self._parse_csv(self._parse_struct_kwargs) +2595 else: +2596 expressions = self._parse_csv(self._parse_types) 2597 -2598 self._retreat(index2) -2599 -2600 if value: -2601 return value -2602 -2603 return exp.DataType( -2604 this=exp.DataType.Type[type_token.value.upper()], -2605 expressions=expressions, -2606 nested=nested, -2607 values=values, -2608 prefix=prefix, -2609 ) -2610 -2611 def _parse_struct_kwargs(self) -> t.Optional[exp.Expression]: -2612 if self._curr and self._curr.token_type in self.TYPE_TOKENS: -2613 return self._parse_types() -2614 -2615 this = self._parse_id_var() -2616 self._match(TokenType.COLON) -2617 data_type = self._parse_types() +2598 if not self._match(TokenType.GT): +2599 self.raise_error("Expecting >") +2600 +2601 if self._match_set((TokenType.L_BRACKET, TokenType.L_PAREN)): +2602 values = self._parse_csv(self._parse_conjunction) +2603 self._match_set((TokenType.R_BRACKET, TokenType.R_PAREN)) +2604 +2605 value: t.Optional[exp.Expression] = None +2606 if type_token in self.TIMESTAMPS: +2607 if self._match(TokenType.WITH_TIME_ZONE) or type_token == TokenType.TIMESTAMPTZ: +2608 value = exp.DataType(this=exp.DataType.Type.TIMESTAMPTZ, expressions=expressions) +2609 elif ( +2610 self._match(TokenType.WITH_LOCAL_TIME_ZONE) or type_token == TokenType.TIMESTAMPLTZ +2611 ): +2612 value = exp.DataType(this=exp.DataType.Type.TIMESTAMPLTZ, expressions=expressions) +2613 elif self._match(TokenType.WITHOUT_TIME_ZONE): +2614 if type_token == TokenType.TIME: +2615 value = exp.DataType(this=exp.DataType.Type.TIME, expressions=expressions) +2616 else: +2617 value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions) 2618 -2619 if not data_type: -2620 return None -2621 return self.expression(exp.StructKwarg, this=this, expression=data_type) -2622 -2623 def _parse_at_time_zone(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -2624 if not self._match(TokenType.AT_TIME_ZONE): -2625 return this -2626 return self.expression(exp.AtTimeZone, this=this, zone=self._parse_unary()) -2627 -2628 def _parse_column(self) -> t.Optional[exp.Expression]: -2629 this = self._parse_field() -2630 if isinstance(this, exp.Identifier): -2631 this = self.expression(exp.Column, this=this) -2632 elif not this: -2633 return self._parse_bracket(this) -2634 this = self._parse_bracket(this) +2619 maybe_func = maybe_func and value is None +2620 +2621 if value is None: +2622 value = exp.DataType(this=exp.DataType.Type.TIMESTAMP, expressions=expressions) +2623 elif type_token == TokenType.INTERVAL: +2624 value = self.expression(exp.Interval, unit=self._parse_var()) +2625 +2626 if maybe_func and check_func: +2627 index2 = self._index +2628 peek = self._parse_string() +2629 +2630 if not peek: +2631 self._retreat(index) +2632 return None +2633 +2634 self._retreat(index2) 2635 -2636 while self._match_set(self.COLUMN_OPERATORS): -2637 op_token = self._prev.token_type -2638 op = self.COLUMN_OPERATORS.get(op_token) -2639 -2640 if op_token == TokenType.DCOLON: -2641 field = self._parse_types() -2642 if not field: -2643 self.raise_error("Expected type") -2644 elif op: -2645 self._advance() -2646 value = self._prev.text -2647 field = ( -2648 exp.Literal.number(value) -2649 if self._prev.token_type == TokenType.NUMBER -2650 else exp.Literal.string(value) -2651 ) -2652 else: -2653 field = self._parse_star() or self._parse_function() or self._parse_id_var() +2636 if value: +2637 return value +2638 +2639 return exp.DataType( +2640 this=exp.DataType.Type[type_token.value.upper()], +2641 expressions=expressions, +2642 nested=nested, +2643 values=values, +2644 prefix=prefix, +2645 ) +2646 +2647 def _parse_struct_kwargs(self) -> t.Optional[exp.Expression]: +2648 if self._curr and self._curr.token_type in self.TYPE_TOKENS: +2649 return self._parse_types() +2650 +2651 this = self._parse_id_var() +2652 self._match(TokenType.COLON) +2653 data_type = self._parse_types() 2654 -2655 if isinstance(field, exp.Func): -2656 # bigquery allows function calls like x.y.count(...) -2657 # SAFE.SUBSTR(...) -2658 # https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-reference#function_call_rules -2659 this = self._replace_columns_with_dots(this) -2660 -2661 if op: -2662 this = op(self, this, field) -2663 elif isinstance(this, exp.Column) and not this.args.get("catalog"): -2664 this = self.expression( -2665 exp.Column, -2666 this=field, -2667 table=this.this, -2668 db=this.args.get("table"), -2669 catalog=this.args.get("db"), -2670 ) -2671 else: -2672 this = self.expression(exp.Dot, this=this, expression=field) -2673 this = self._parse_bracket(this) -2674 -2675 return this -2676 -2677 def _parse_primary(self) -> t.Optional[exp.Expression]: -2678 if self._match_set(self.PRIMARY_PARSERS): -2679 token_type = self._prev.token_type -2680 primary = self.PRIMARY_PARSERS[token_type](self, self._prev) -2681 -2682 if token_type == TokenType.STRING: -2683 expressions = [primary] -2684 while self._match(TokenType.STRING): -2685 expressions.append(exp.Literal.string(self._prev.text)) -2686 if len(expressions) > 1: -2687 return self.expression(exp.Concat, expressions=expressions) -2688 return primary -2689 -2690 if self._match_pair(TokenType.DOT, TokenType.NUMBER): -2691 return exp.Literal.number(f"0.{self._prev.text}") -2692 -2693 if self._match(TokenType.L_PAREN): -2694 comments = self._prev_comments -2695 query = self._parse_select() +2655 if not data_type: +2656 return None +2657 return self.expression(exp.StructKwarg, this=this, expression=data_type) +2658 +2659 def _parse_at_time_zone(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +2660 if not self._match(TokenType.AT_TIME_ZONE): +2661 return this +2662 return self.expression(exp.AtTimeZone, this=this, zone=self._parse_unary()) +2663 +2664 def _parse_column(self) -> t.Optional[exp.Expression]: +2665 this = self._parse_field() +2666 if isinstance(this, exp.Identifier): +2667 this = self.expression(exp.Column, this=this) +2668 elif not this: +2669 return self._parse_bracket(this) +2670 this = self._parse_bracket(this) +2671 +2672 while self._match_set(self.COLUMN_OPERATORS): +2673 op_token = self._prev.token_type +2674 op = self.COLUMN_OPERATORS.get(op_token) +2675 +2676 if op_token == TokenType.DCOLON: +2677 field = self._parse_types() +2678 if not field: +2679 self.raise_error("Expected type") +2680 elif op: +2681 self._advance() +2682 value = self._prev.text +2683 field = ( +2684 exp.Literal.number(value) +2685 if self._prev.token_type == TokenType.NUMBER +2686 else exp.Literal.string(value) +2687 ) +2688 else: +2689 field = self._parse_star() or self._parse_function() or self._parse_id_var() +2690 +2691 if isinstance(field, exp.Func): +2692 # bigquery allows function calls like x.y.count(...) +2693 # SAFE.SUBSTR(...) +2694 # https://cloud.google.com/bigquery/docs/reference/standard-sql/functions-reference#function_call_rules +2695 this = self._replace_columns_with_dots(this) 2696 -2697 if query: -2698 expressions = [query] -2699 else: -2700 expressions = self._parse_csv( -2701 lambda: self._parse_alias(self._parse_conjunction(), explicit=True) -2702 ) -2703 -2704 this = seq_get(expressions, 0) -2705 self._parse_query_modifiers(this) -2706 self._match_r_paren() -2707 -2708 if isinstance(this, exp.Subqueryable): -2709 this = self._parse_set_operations( -2710 self._parse_subquery(this=this, parse_alias=False) -2711 ) -2712 elif len(expressions) > 1: -2713 this = self.expression(exp.Tuple, expressions=expressions) -2714 else: -2715 this = self.expression(exp.Paren, this=this) -2716 -2717 if this and comments: -2718 this.comments = comments -2719 -2720 return this -2721 -2722 return None -2723 -2724 def _parse_field(self, any_token: bool = False) -> t.Optional[exp.Expression]: -2725 return self._parse_primary() or self._parse_function() or self._parse_id_var(any_token) -2726 -2727 def _parse_function( -2728 self, functions: t.Optional[t.Dict[str, t.Callable]] = None -2729 ) -> t.Optional[exp.Expression]: -2730 if not self._curr: -2731 return None +2697 if op: +2698 this = op(self, this, field) +2699 elif isinstance(this, exp.Column) and not this.args.get("catalog"): +2700 this = self.expression( +2701 exp.Column, +2702 this=field, +2703 table=this.this, +2704 db=this.args.get("table"), +2705 catalog=this.args.get("db"), +2706 ) +2707 else: +2708 this = self.expression(exp.Dot, this=this, expression=field) +2709 this = self._parse_bracket(this) +2710 +2711 return this +2712 +2713 def _parse_primary(self) -> t.Optional[exp.Expression]: +2714 if self._match_set(self.PRIMARY_PARSERS): +2715 token_type = self._prev.token_type +2716 primary = self.PRIMARY_PARSERS[token_type](self, self._prev) +2717 +2718 if token_type == TokenType.STRING: +2719 expressions = [primary] +2720 while self._match(TokenType.STRING): +2721 expressions.append(exp.Literal.string(self._prev.text)) +2722 if len(expressions) > 1: +2723 return self.expression(exp.Concat, expressions=expressions) +2724 return primary +2725 +2726 if self._match_pair(TokenType.DOT, TokenType.NUMBER): +2727 return exp.Literal.number(f"0.{self._prev.text}") +2728 +2729 if self._match(TokenType.L_PAREN): +2730 comments = self._prev_comments +2731 query = self._parse_select() 2732 -2733 token_type = self._curr.token_type -2734 -2735 if self._match_set(self.NO_PAREN_FUNCTION_PARSERS): -2736 return self.NO_PAREN_FUNCTION_PARSERS[token_type](self) -2737 -2738 if not self._next or self._next.token_type != TokenType.L_PAREN: -2739 if token_type in self.NO_PAREN_FUNCTIONS: -2740 self._advance() -2741 return self.expression(self.NO_PAREN_FUNCTIONS[token_type]) -2742 -2743 return None -2744 -2745 if token_type not in self.FUNC_TOKENS: -2746 return None -2747 -2748 this = self._curr.text -2749 upper = this.upper() -2750 self._advance(2) -2751 -2752 parser = self.FUNCTION_PARSERS.get(upper) -2753 -2754 if parser: -2755 this = parser(self) -2756 else: -2757 subquery_predicate = self.SUBQUERY_PREDICATES.get(token_type) -2758 -2759 if subquery_predicate and self._curr.token_type in (TokenType.SELECT, TokenType.WITH): -2760 this = self.expression(subquery_predicate, this=self._parse_select()) -2761 self._match_r_paren() -2762 return this -2763 -2764 if functions is None: -2765 functions = self.FUNCTIONS -2766 -2767 function = functions.get(upper) -2768 args = self._parse_csv(self._parse_lambda) -2769 -2770 if function: -2771 # Clickhouse supports function calls like foo(x, y)(z), so for these we need to also parse the -2772 # second parameter list (i.e. "(z)") and the corresponding function will receive both arg lists. -2773 if count_params(function) == 2: -2774 params = None -2775 if self._match_pair(TokenType.R_PAREN, TokenType.L_PAREN): -2776 params = self._parse_csv(self._parse_lambda) -2777 -2778 this = function(args, params) -2779 else: -2780 this = function(args) -2781 -2782 self.validate_expression(this, args) -2783 else: -2784 this = self.expression(exp.Anonymous, this=this, expressions=args) -2785 -2786 self._match_r_paren(this) -2787 return self._parse_window(this) -2788 -2789 def _parse_function_parameter(self) -> t.Optional[exp.Expression]: -2790 return self._parse_column_def(self._parse_id_var()) -2791 -2792 def _parse_user_defined_function( -2793 self, kind: t.Optional[TokenType] = None -2794 ) -> t.Optional[exp.Expression]: -2795 this = self._parse_id_var() -2796 -2797 while self._match(TokenType.DOT): -2798 this = self.expression(exp.Dot, this=this, expression=self._parse_id_var()) +2733 if query: +2734 expressions = [query] +2735 else: +2736 expressions = self._parse_csv( +2737 lambda: self._parse_alias(self._parse_conjunction(), explicit=True) +2738 ) +2739 +2740 this = seq_get(expressions, 0) +2741 self._parse_query_modifiers(this) +2742 self._match_r_paren() +2743 +2744 if isinstance(this, exp.Subqueryable): +2745 this = self._parse_set_operations( +2746 self._parse_subquery(this=this, parse_alias=False) +2747 ) +2748 elif len(expressions) > 1: +2749 this = self.expression(exp.Tuple, expressions=expressions) +2750 else: +2751 this = self.expression(exp.Paren, this=this) +2752 +2753 if this and comments: +2754 this.comments = comments +2755 +2756 return this +2757 +2758 return None +2759 +2760 def _parse_field(self, any_token: bool = False) -> t.Optional[exp.Expression]: +2761 return self._parse_primary() or self._parse_function() or self._parse_id_var(any_token) +2762 +2763 def _parse_function( +2764 self, functions: t.Optional[t.Dict[str, t.Callable]] = None +2765 ) -> t.Optional[exp.Expression]: +2766 if not self._curr: +2767 return None +2768 +2769 token_type = self._curr.token_type +2770 +2771 if self._match_set(self.NO_PAREN_FUNCTION_PARSERS): +2772 return self.NO_PAREN_FUNCTION_PARSERS[token_type](self) +2773 +2774 if not self._next or self._next.token_type != TokenType.L_PAREN: +2775 if token_type in self.NO_PAREN_FUNCTIONS: +2776 self._advance() +2777 return self.expression(self.NO_PAREN_FUNCTIONS[token_type]) +2778 +2779 return None +2780 +2781 if token_type not in self.FUNC_TOKENS: +2782 return None +2783 +2784 this = self._curr.text +2785 upper = this.upper() +2786 self._advance(2) +2787 +2788 parser = self.FUNCTION_PARSERS.get(upper) +2789 +2790 if parser: +2791 this = parser(self) +2792 else: +2793 subquery_predicate = self.SUBQUERY_PREDICATES.get(token_type) +2794 +2795 if subquery_predicate and self._curr.token_type in (TokenType.SELECT, TokenType.WITH): +2796 this = self.expression(subquery_predicate, this=self._parse_select()) +2797 self._match_r_paren() +2798 return this 2799 -2800 if not self._match(TokenType.L_PAREN): -2801 return this +2800 if functions is None: +2801 functions = self.FUNCTIONS 2802 -2803 expressions = self._parse_csv(self._parse_function_parameter) -2804 self._match_r_paren() -2805 return self.expression( -2806 exp.UserDefinedFunction, this=this, expressions=expressions, wrapped=True -2807 ) -2808 -2809 def _parse_introducer(self, token: Token) -> t.Optional[exp.Expression]: -2810 literal = self._parse_primary() -2811 if literal: -2812 return self.expression(exp.Introducer, this=token.text, expression=literal) +2803 function = functions.get(upper) +2804 args = self._parse_csv(self._parse_lambda) +2805 +2806 if function: +2807 # Clickhouse supports function calls like foo(x, y)(z), so for these we need to also parse the +2808 # second parameter list (i.e. "(z)") and the corresponding function will receive both arg lists. +2809 if count_params(function) == 2: +2810 params = None +2811 if self._match_pair(TokenType.R_PAREN, TokenType.L_PAREN): +2812 params = self._parse_csv(self._parse_lambda) 2813 -2814 return self.expression(exp.Identifier, this=token.text) -2815 -2816 def _parse_national(self, token: Token) -> exp.Expression: -2817 return self.expression(exp.National, this=exp.Literal.string(token.text)) -2818 -2819 def _parse_session_parameter(self) -> exp.Expression: -2820 kind = None -2821 this = self._parse_id_var() or self._parse_primary() -2822 -2823 if this and self._match(TokenType.DOT): -2824 kind = this.name -2825 this = self._parse_var() or self._parse_primary() -2826 -2827 return self.expression(exp.SessionParameter, this=this, kind=kind) -2828 -2829 def _parse_lambda(self) -> t.Optional[exp.Expression]: -2830 index = self._index -2831 -2832 if self._match(TokenType.L_PAREN): -2833 expressions = self._parse_csv(self._parse_id_var) -2834 -2835 if not self._match(TokenType.R_PAREN): -2836 self._retreat(index) -2837 else: -2838 expressions = [self._parse_id_var()] -2839 -2840 if self._match_set(self.LAMBDAS): -2841 return self.LAMBDAS[self._prev.token_type](self, expressions) -2842 -2843 self._retreat(index) +2814 this = function(args, params) +2815 else: +2816 this = function(args) +2817 +2818 self.validate_expression(this, args) +2819 else: +2820 this = self.expression(exp.Anonymous, this=this, expressions=args) +2821 +2822 self._match_r_paren(this) +2823 return self._parse_window(this) +2824 +2825 def _parse_function_parameter(self) -> t.Optional[exp.Expression]: +2826 return self._parse_column_def(self._parse_id_var()) +2827 +2828 def _parse_user_defined_function( +2829 self, kind: t.Optional[TokenType] = None +2830 ) -> t.Optional[exp.Expression]: +2831 this = self._parse_id_var() +2832 +2833 while self._match(TokenType.DOT): +2834 this = self.expression(exp.Dot, this=this, expression=self._parse_id_var()) +2835 +2836 if not self._match(TokenType.L_PAREN): +2837 return this +2838 +2839 expressions = self._parse_csv(self._parse_function_parameter) +2840 self._match_r_paren() +2841 return self.expression( +2842 exp.UserDefinedFunction, this=this, expressions=expressions, wrapped=True +2843 ) 2844 -2845 this: t.Optional[exp.Expression] -2846 -2847 if self._match(TokenType.DISTINCT): -2848 this = self.expression( -2849 exp.Distinct, expressions=self._parse_csv(self._parse_conjunction) -2850 ) -2851 else: -2852 this = self._parse_select_or_expression() -2853 -2854 if self._match(TokenType.IGNORE_NULLS): -2855 this = self.expression(exp.IgnoreNulls, this=this) -2856 else: -2857 self._match(TokenType.RESPECT_NULLS) +2845 def _parse_introducer(self, token: Token) -> t.Optional[exp.Expression]: +2846 literal = self._parse_primary() +2847 if literal: +2848 return self.expression(exp.Introducer, this=token.text, expression=literal) +2849 +2850 return self.expression(exp.Identifier, this=token.text) +2851 +2852 def _parse_national(self, token: Token) -> exp.Expression: +2853 return self.expression(exp.National, this=exp.Literal.string(token.text)) +2854 +2855 def _parse_session_parameter(self) -> exp.Expression: +2856 kind = None +2857 this = self._parse_id_var() or self._parse_primary() 2858 -2859 return self._parse_limit(self._parse_order(this)) -2860 -2861 def _parse_schema(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]: -2862 index = self._index -2863 if not self._match(TokenType.L_PAREN) or self._match(TokenType.SELECT): -2864 self._retreat(index) -2865 return this -2866 -2867 args = self._parse_csv( -2868 lambda: self._parse_constraint() -2869 or self._parse_column_def(self._parse_field(any_token=True)) -2870 ) -2871 self._match_r_paren() -2872 return self.expression(exp.Schema, this=this, expressions=args) -2873 -2874 def _parse_column_def(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -2875 kind = self._parse_types() -2876 -2877 if self._match_text_seq("FOR", "ORDINALITY"): -2878 return self.expression(exp.ColumnDef, this=this, ordinality=True) -2879 -2880 constraints = [] -2881 while True: -2882 constraint = self._parse_column_constraint() -2883 if not constraint: -2884 break -2885 constraints.append(constraint) -2886 -2887 if not kind and not constraints: -2888 return this +2859 if this and self._match(TokenType.DOT): +2860 kind = this.name +2861 this = self._parse_var() or self._parse_primary() +2862 +2863 return self.expression(exp.SessionParameter, this=this, kind=kind) +2864 +2865 def _parse_lambda(self) -> t.Optional[exp.Expression]: +2866 index = self._index +2867 +2868 if self._match(TokenType.L_PAREN): +2869 expressions = self._parse_csv(self._parse_id_var) +2870 +2871 if not self._match(TokenType.R_PAREN): +2872 self._retreat(index) +2873 else: +2874 expressions = [self._parse_id_var()] +2875 +2876 if self._match_set(self.LAMBDAS): +2877 return self.LAMBDAS[self._prev.token_type](self, expressions) +2878 +2879 self._retreat(index) +2880 +2881 this: t.Optional[exp.Expression] +2882 +2883 if self._match(TokenType.DISTINCT): +2884 this = self.expression( +2885 exp.Distinct, expressions=self._parse_csv(self._parse_conjunction) +2886 ) +2887 else: +2888 this = self._parse_select_or_expression() 2889 -2890 return self.expression(exp.ColumnDef, this=this, kind=kind, constraints=constraints) -2891 -2892 def _parse_auto_increment(self) -> exp.Expression: -2893 start = None -2894 increment = None -2895 -2896 if self._match(TokenType.L_PAREN, advance=False): -2897 args = self._parse_wrapped_csv(self._parse_bitwise) -2898 start = seq_get(args, 0) -2899 increment = seq_get(args, 1) -2900 elif self._match_text_seq("START"): -2901 start = self._parse_bitwise() -2902 self._match_text_seq("INCREMENT") -2903 increment = self._parse_bitwise() -2904 -2905 if start and increment: -2906 return exp.GeneratedAsIdentityColumnConstraint(start=start, increment=increment) -2907 -2908 return exp.AutoIncrementColumnConstraint() +2890 if self._match(TokenType.IGNORE_NULLS): +2891 this = self.expression(exp.IgnoreNulls, this=this) +2892 else: +2893 self._match(TokenType.RESPECT_NULLS) +2894 +2895 return self._parse_limit(self._parse_order(this)) +2896 +2897 def _parse_schema(self, this: t.Optional[exp.Expression] = None) -> t.Optional[exp.Expression]: +2898 index = self._index +2899 if not self._match(TokenType.L_PAREN) or self._match(TokenType.SELECT): +2900 self._retreat(index) +2901 return this +2902 +2903 args = self._parse_csv( +2904 lambda: self._parse_constraint() +2905 or self._parse_column_def(self._parse_field(any_token=True)) +2906 ) +2907 self._match_r_paren() +2908 return self.expression(exp.Schema, this=this, expressions=args) 2909 -2910 def _parse_compress(self) -> exp.Expression: -2911 if self._match(TokenType.L_PAREN, advance=False): -2912 return self.expression( -2913 exp.CompressColumnConstraint, this=self._parse_wrapped_csv(self._parse_bitwise) -2914 ) +2910 def _parse_column_def(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +2911 kind = self._parse_types() +2912 +2913 if self._match_text_seq("FOR", "ORDINALITY"): +2914 return self.expression(exp.ColumnDef, this=this, ordinality=True) 2915 -2916 return self.expression(exp.CompressColumnConstraint, this=self._parse_bitwise()) -2917 -2918 def _parse_generated_as_identity(self) -> exp.Expression: -2919 if self._match(TokenType.BY_DEFAULT): -2920 this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=False) -2921 else: -2922 self._match_text_seq("ALWAYS") -2923 this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=True) -2924 -2925 self._match_text_seq("AS", "IDENTITY") -2926 if self._match(TokenType.L_PAREN): -2927 if self._match_text_seq("START", "WITH"): -2928 this.set("start", self._parse_bitwise()) -2929 if self._match_text_seq("INCREMENT", "BY"): -2930 this.set("increment", self._parse_bitwise()) -2931 if self._match_text_seq("MINVALUE"): -2932 this.set("minvalue", self._parse_bitwise()) -2933 if self._match_text_seq("MAXVALUE"): -2934 this.set("maxvalue", self._parse_bitwise()) -2935 -2936 if self._match_text_seq("CYCLE"): -2937 this.set("cycle", True) -2938 elif self._match_text_seq("NO", "CYCLE"): -2939 this.set("cycle", False) +2916 constraints = [] +2917 while True: +2918 constraint = self._parse_column_constraint() +2919 if not constraint: +2920 break +2921 constraints.append(constraint) +2922 +2923 if not kind and not constraints: +2924 return this +2925 +2926 return self.expression(exp.ColumnDef, this=this, kind=kind, constraints=constraints) +2927 +2928 def _parse_auto_increment(self) -> exp.Expression: +2929 start = None +2930 increment = None +2931 +2932 if self._match(TokenType.L_PAREN, advance=False): +2933 args = self._parse_wrapped_csv(self._parse_bitwise) +2934 start = seq_get(args, 0) +2935 increment = seq_get(args, 1) +2936 elif self._match_text_seq("START"): +2937 start = self._parse_bitwise() +2938 self._match_text_seq("INCREMENT") +2939 increment = self._parse_bitwise() 2940 -2941 self._match_r_paren() -2942 -2943 return this -2944 -2945 def _parse_inline(self) -> t.Optional[exp.Expression]: -2946 self._match_text_seq("LENGTH") -2947 return self.expression(exp.InlineLengthColumnConstraint, this=self._parse_bitwise()) -2948 -2949 def _parse_not_constraint(self) -> t.Optional[exp.Expression]: -2950 if self._match_text_seq("NULL"): -2951 return self.expression(exp.NotNullColumnConstraint) -2952 if self._match_text_seq("CASESPECIFIC"): -2953 return self.expression(exp.CaseSpecificColumnConstraint, not_=True) -2954 return None -2955 -2956 def _parse_column_constraint(self) -> t.Optional[exp.Expression]: -2957 this = self._parse_references() -2958 if this: -2959 return this +2941 if start and increment: +2942 return exp.GeneratedAsIdentityColumnConstraint(start=start, increment=increment) +2943 +2944 return exp.AutoIncrementColumnConstraint() +2945 +2946 def _parse_compress(self) -> exp.Expression: +2947 if self._match(TokenType.L_PAREN, advance=False): +2948 return self.expression( +2949 exp.CompressColumnConstraint, this=self._parse_wrapped_csv(self._parse_bitwise) +2950 ) +2951 +2952 return self.expression(exp.CompressColumnConstraint, this=self._parse_bitwise()) +2953 +2954 def _parse_generated_as_identity(self) -> exp.Expression: +2955 if self._match(TokenType.BY_DEFAULT): +2956 this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=False) +2957 else: +2958 self._match_text_seq("ALWAYS") +2959 this = self.expression(exp.GeneratedAsIdentityColumnConstraint, this=True) 2960 -2961 if self._match(TokenType.CONSTRAINT): -2962 this = self._parse_id_var() -2963 -2964 if self._match_texts(self.CONSTRAINT_PARSERS): -2965 return self.expression( -2966 exp.ColumnConstraint, -2967 this=this, -2968 kind=self.CONSTRAINT_PARSERS[self._prev.text.upper()](self), -2969 ) -2970 -2971 return this -2972 -2973 def _parse_constraint(self) -> t.Optional[exp.Expression]: -2974 if not self._match(TokenType.CONSTRAINT): -2975 return self._parse_unnamed_constraint(constraints=self.SCHEMA_UNNAMED_CONSTRAINTS) +2961 self._match_text_seq("AS", "IDENTITY") +2962 if self._match(TokenType.L_PAREN): +2963 if self._match_text_seq("START", "WITH"): +2964 this.set("start", self._parse_bitwise()) +2965 if self._match_text_seq("INCREMENT", "BY"): +2966 this.set("increment", self._parse_bitwise()) +2967 if self._match_text_seq("MINVALUE"): +2968 this.set("minvalue", self._parse_bitwise()) +2969 if self._match_text_seq("MAXVALUE"): +2970 this.set("maxvalue", self._parse_bitwise()) +2971 +2972 if self._match_text_seq("CYCLE"): +2973 this.set("cycle", True) +2974 elif self._match_text_seq("NO", "CYCLE"): +2975 this.set("cycle", False) 2976 -2977 this = self._parse_id_var() -2978 expressions = [] -2979 -2980 while True: -2981 constraint = self._parse_unnamed_constraint() or self._parse_function() -2982 if not constraint: -2983 break -2984 expressions.append(constraint) -2985 -2986 return self.expression(exp.Constraint, this=this, expressions=expressions) -2987 -2988 def _parse_unnamed_constraint( -2989 self, constraints: t.Optional[t.Collection[str]] = None -2990 ) -> t.Optional[exp.Expression]: -2991 if not self._match_texts(constraints or self.CONSTRAINT_PARSERS): -2992 return None -2993 -2994 constraint = self._prev.text.upper() -2995 if constraint not in self.CONSTRAINT_PARSERS: -2996 self.raise_error(f"No parser found for schema constraint {constraint}.") -2997 -2998 return self.CONSTRAINT_PARSERS[constraint](self) +2977 self._match_r_paren() +2978 +2979 return this +2980 +2981 def _parse_inline(self) -> t.Optional[exp.Expression]: +2982 self._match_text_seq("LENGTH") +2983 return self.expression(exp.InlineLengthColumnConstraint, this=self._parse_bitwise()) +2984 +2985 def _parse_not_constraint(self) -> t.Optional[exp.Expression]: +2986 if self._match_text_seq("NULL"): +2987 return self.expression(exp.NotNullColumnConstraint) +2988 if self._match_text_seq("CASESPECIFIC"): +2989 return self.expression(exp.CaseSpecificColumnConstraint, not_=True) +2990 return None +2991 +2992 def _parse_column_constraint(self) -> t.Optional[exp.Expression]: +2993 this = self._parse_references() +2994 if this: +2995 return this +2996 +2997 if self._match(TokenType.CONSTRAINT): +2998 this = self._parse_id_var() 2999 -3000 def _parse_unique(self) -> exp.Expression: -3001 if not self._match(TokenType.L_PAREN, advance=False): -3002 return self.expression(exp.UniqueColumnConstraint) -3003 return self.expression(exp.Unique, expressions=self._parse_wrapped_id_vars()) -3004 -3005 def _parse_key_constraint_options(self) -> t.List[str]: -3006 options = [] -3007 while True: -3008 if not self._curr: -3009 break -3010 -3011 if self._match(TokenType.ON): -3012 action = None -3013 on = self._advance_any() and self._prev.text -3014 -3015 if self._match(TokenType.NO_ACTION): -3016 action = "NO ACTION" -3017 elif self._match(TokenType.CASCADE): -3018 action = "CASCADE" -3019 elif self._match_pair(TokenType.SET, TokenType.NULL): -3020 action = "SET NULL" -3021 elif self._match_pair(TokenType.SET, TokenType.DEFAULT): -3022 action = "SET DEFAULT" -3023 else: -3024 self.raise_error("Invalid key constraint") -3025 -3026 options.append(f"ON {on} {action}") -3027 elif self._match_text_seq("NOT", "ENFORCED"): -3028 options.append("NOT ENFORCED") -3029 elif self._match_text_seq("DEFERRABLE"): -3030 options.append("DEFERRABLE") -3031 elif self._match_text_seq("INITIALLY", "DEFERRED"): -3032 options.append("INITIALLY DEFERRED") -3033 elif self._match_text_seq("NORELY"): -3034 options.append("NORELY") -3035 elif self._match_text_seq("MATCH", "FULL"): -3036 options.append("MATCH FULL") -3037 else: -3038 break -3039 -3040 return options -3041 -3042 def _parse_references(self) -> t.Optional[exp.Expression]: -3043 if not self._match(TokenType.REFERENCES): -3044 return None -3045 -3046 expressions = None -3047 this = self._parse_id_var() -3048 -3049 if self._match(TokenType.L_PAREN, advance=False): -3050 expressions = self._parse_wrapped_id_vars() -3051 -3052 options = self._parse_key_constraint_options() -3053 return self.expression(exp.Reference, this=this, expressions=expressions, options=options) -3054 -3055 def _parse_foreign_key(self) -> exp.Expression: -3056 expressions = self._parse_wrapped_id_vars() -3057 reference = self._parse_references() -3058 options = {} -3059 -3060 while self._match(TokenType.ON): -3061 if not self._match_set((TokenType.DELETE, TokenType.UPDATE)): -3062 self.raise_error("Expected DELETE or UPDATE") -3063 -3064 kind = self._prev.text.lower() -3065 -3066 if self._match(TokenType.NO_ACTION): -3067 action = "NO ACTION" -3068 elif self._match(TokenType.SET): -3069 self._match_set((TokenType.NULL, TokenType.DEFAULT)) -3070 action = "SET " + self._prev.text.upper() -3071 else: -3072 self._advance() -3073 action = self._prev.text.upper() -3074 -3075 options[kind] = action -3076 -3077 return self.expression( -3078 exp.ForeignKey, expressions=expressions, reference=reference, **options # type: ignore -3079 ) -3080 -3081 def _parse_primary_key(self) -> exp.Expression: -3082 desc = ( -3083 self._match_set((TokenType.ASC, TokenType.DESC)) -3084 and self._prev.token_type == TokenType.DESC -3085 ) -3086 -3087 if not self._match(TokenType.L_PAREN, advance=False): -3088 return self.expression(exp.PrimaryKeyColumnConstraint, desc=desc) -3089 -3090 expressions = self._parse_wrapped_id_vars() -3091 options = self._parse_key_constraint_options() -3092 return self.expression(exp.PrimaryKey, expressions=expressions, options=options) -3093 -3094 def _parse_bracket(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -3095 if not self._match_set((TokenType.L_BRACKET, TokenType.L_BRACE)): -3096 return this -3097 -3098 bracket_kind = self._prev.token_type -3099 expressions: t.List[t.Optional[exp.Expression]] -3100 -3101 if self._match(TokenType.COLON): -3102 expressions = [self.expression(exp.Slice, expression=self._parse_conjunction())] -3103 else: -3104 expressions = self._parse_csv(lambda: self._parse_slice(self._parse_conjunction())) -3105 -3106 # https://duckdb.org/docs/sql/data_types/struct.html#creating-structs -3107 if bracket_kind == TokenType.L_BRACE: -3108 this = self.expression(exp.Struct, expressions=expressions) -3109 elif not this or this.name.upper() == "ARRAY": -3110 this = self.expression(exp.Array, expressions=expressions) -3111 else: -3112 expressions = apply_index_offset(expressions, -self.index_offset) -3113 this = self.expression(exp.Bracket, this=this, expressions=expressions) -3114 -3115 if not self._match(TokenType.R_BRACKET) and bracket_kind == TokenType.L_BRACKET: -3116 self.raise_error("Expected ]") -3117 elif not self._match(TokenType.R_BRACE) and bracket_kind == TokenType.L_BRACE: -3118 self.raise_error("Expected }") -3119 -3120 this.comments = self._prev_comments -3121 return self._parse_bracket(this) +3000 if self._match_texts(self.CONSTRAINT_PARSERS): +3001 return self.expression( +3002 exp.ColumnConstraint, +3003 this=this, +3004 kind=self.CONSTRAINT_PARSERS[self._prev.text.upper()](self), +3005 ) +3006 +3007 return this +3008 +3009 def _parse_constraint(self) -> t.Optional[exp.Expression]: +3010 if not self._match(TokenType.CONSTRAINT): +3011 return self._parse_unnamed_constraint(constraints=self.SCHEMA_UNNAMED_CONSTRAINTS) +3012 +3013 this = self._parse_id_var() +3014 expressions = [] +3015 +3016 while True: +3017 constraint = self._parse_unnamed_constraint() or self._parse_function() +3018 if not constraint: +3019 break +3020 expressions.append(constraint) +3021 +3022 return self.expression(exp.Constraint, this=this, expressions=expressions) +3023 +3024 def _parse_unnamed_constraint( +3025 self, constraints: t.Optional[t.Collection[str]] = None +3026 ) -> t.Optional[exp.Expression]: +3027 if not self._match_texts(constraints or self.CONSTRAINT_PARSERS): +3028 return None +3029 +3030 constraint = self._prev.text.upper() +3031 if constraint not in self.CONSTRAINT_PARSERS: +3032 self.raise_error(f"No parser found for schema constraint {constraint}.") +3033 +3034 return self.CONSTRAINT_PARSERS[constraint](self) +3035 +3036 def _parse_unique(self) -> exp.Expression: +3037 if not self._match(TokenType.L_PAREN, advance=False): +3038 return self.expression(exp.UniqueColumnConstraint) +3039 return self.expression(exp.Unique, expressions=self._parse_wrapped_id_vars()) +3040 +3041 def _parse_key_constraint_options(self) -> t.List[str]: +3042 options = [] +3043 while True: +3044 if not self._curr: +3045 break +3046 +3047 if self._match(TokenType.ON): +3048 action = None +3049 on = self._advance_any() and self._prev.text +3050 +3051 if self._match(TokenType.NO_ACTION): +3052 action = "NO ACTION" +3053 elif self._match(TokenType.CASCADE): +3054 action = "CASCADE" +3055 elif self._match_pair(TokenType.SET, TokenType.NULL): +3056 action = "SET NULL" +3057 elif self._match_pair(TokenType.SET, TokenType.DEFAULT): +3058 action = "SET DEFAULT" +3059 else: +3060 self.raise_error("Invalid key constraint") +3061 +3062 options.append(f"ON {on} {action}") +3063 elif self._match_text_seq("NOT", "ENFORCED"): +3064 options.append("NOT ENFORCED") +3065 elif self._match_text_seq("DEFERRABLE"): +3066 options.append("DEFERRABLE") +3067 elif self._match_text_seq("INITIALLY", "DEFERRED"): +3068 options.append("INITIALLY DEFERRED") +3069 elif self._match_text_seq("NORELY"): +3070 options.append("NORELY") +3071 elif self._match_text_seq("MATCH", "FULL"): +3072 options.append("MATCH FULL") +3073 else: +3074 break +3075 +3076 return options +3077 +3078 def _parse_references(self) -> t.Optional[exp.Expression]: +3079 if not self._match(TokenType.REFERENCES): +3080 return None +3081 +3082 expressions = None +3083 this = self._parse_id_var() +3084 +3085 if self._match(TokenType.L_PAREN, advance=False): +3086 expressions = self._parse_wrapped_id_vars() +3087 +3088 options = self._parse_key_constraint_options() +3089 return self.expression(exp.Reference, this=this, expressions=expressions, options=options) +3090 +3091 def _parse_foreign_key(self) -> exp.Expression: +3092 expressions = self._parse_wrapped_id_vars() +3093 reference = self._parse_references() +3094 options = {} +3095 +3096 while self._match(TokenType.ON): +3097 if not self._match_set((TokenType.DELETE, TokenType.UPDATE)): +3098 self.raise_error("Expected DELETE or UPDATE") +3099 +3100 kind = self._prev.text.lower() +3101 +3102 if self._match(TokenType.NO_ACTION): +3103 action = "NO ACTION" +3104 elif self._match(TokenType.SET): +3105 self._match_set((TokenType.NULL, TokenType.DEFAULT)) +3106 action = "SET " + self._prev.text.upper() +3107 else: +3108 self._advance() +3109 action = self._prev.text.upper() +3110 +3111 options[kind] = action +3112 +3113 return self.expression( +3114 exp.ForeignKey, expressions=expressions, reference=reference, **options # type: ignore +3115 ) +3116 +3117 def _parse_primary_key(self) -> exp.Expression: +3118 desc = ( +3119 self._match_set((TokenType.ASC, TokenType.DESC)) +3120 and self._prev.token_type == TokenType.DESC +3121 ) 3122 -3123 def _parse_slice(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: -3124 if self._match(TokenType.COLON): -3125 return self.expression(exp.Slice, this=this, expression=self._parse_conjunction()) -3126 return this -3127 -3128 def _parse_case(self) -> t.Optional[exp.Expression]: -3129 ifs = [] -3130 default = None -3131 -3132 expression = self._parse_conjunction() +3123 if not self._match(TokenType.L_PAREN, advance=False): +3124 return self.expression(exp.PrimaryKeyColumnConstraint, desc=desc) +3125 +3126 expressions = self._parse_wrapped_id_vars() +3127 options = self._parse_key_constraint_options() +3128 return self.expression(exp.PrimaryKey, expressions=expressions, options=options) +3129 +3130 def _parse_bracket(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +3131 if not self._match_set((TokenType.L_BRACKET, TokenType.L_BRACE)): +3132 return this 3133 -3134 while self._match(TokenType.WHEN): -3135 this = self._parse_conjunction() -3136 self._match(TokenType.THEN) -3137 then = self._parse_conjunction() -3138 ifs.append(self.expression(exp.If, this=this, true=then)) -3139 -3140 if self._match(TokenType.ELSE): -3141 default = self._parse_conjunction() -3142 -3143 if not self._match(TokenType.END): -3144 self.raise_error("Expected END after CASE", self._prev) -3145 -3146 return self._parse_window( -3147 self.expression(exp.Case, this=expression, ifs=ifs, default=default) -3148 ) -3149 -3150 def _parse_if(self) -> t.Optional[exp.Expression]: -3151 if self._match(TokenType.L_PAREN): -3152 args = self._parse_csv(self._parse_conjunction) -3153 this = exp.If.from_arg_list(args) -3154 self.validate_expression(this, args) -3155 self._match_r_paren() -3156 else: -3157 condition = self._parse_conjunction() -3158 self._match(TokenType.THEN) -3159 true = self._parse_conjunction() -3160 false = self._parse_conjunction() if self._match(TokenType.ELSE) else None -3161 self._match(TokenType.END) -3162 this = self.expression(exp.If, this=condition, true=true, false=false) +3134 bracket_kind = self._prev.token_type +3135 expressions: t.List[t.Optional[exp.Expression]] +3136 +3137 if self._match(TokenType.COLON): +3138 expressions = [self.expression(exp.Slice, expression=self._parse_conjunction())] +3139 else: +3140 expressions = self._parse_csv(lambda: self._parse_slice(self._parse_conjunction())) +3141 +3142 # https://duckdb.org/docs/sql/data_types/struct.html#creating-structs +3143 if bracket_kind == TokenType.L_BRACE: +3144 this = self.expression(exp.Struct, expressions=expressions) +3145 elif not this or this.name.upper() == "ARRAY": +3146 this = self.expression(exp.Array, expressions=expressions) +3147 else: +3148 expressions = apply_index_offset(expressions, -self.index_offset) +3149 this = self.expression(exp.Bracket, this=this, expressions=expressions) +3150 +3151 if not self._match(TokenType.R_BRACKET) and bracket_kind == TokenType.L_BRACKET: +3152 self.raise_error("Expected ]") +3153 elif not self._match(TokenType.R_BRACE) and bracket_kind == TokenType.L_BRACE: +3154 self.raise_error("Expected }") +3155 +3156 this.comments = self._prev_comments +3157 return self._parse_bracket(this) +3158 +3159 def _parse_slice(self, this: t.Optional[exp.Expression]) -> t.Optional[exp.Expression]: +3160 if self._match(TokenType.COLON): +3161 return self.expression(exp.Slice, this=this, expression=self._parse_conjunction()) +3162 return this 3163 -3164 return self._parse_window(this) -3165 -3166 def _parse_extract(self) -> exp.Expression: -3167 this = self._parse_function() or self._parse_var() or self._parse_type() -3168 -3169 if self._match(TokenType.FROM): -3170 return self.expression(exp.Extract, this=this, expression=self._parse_bitwise()) -3171 -3172 if not self._match(TokenType.COMMA): -3173 self.raise_error("Expected FROM or comma after EXTRACT", self._prev) -3174 -3175 return self.expression(exp.Extract, this=this, expression=self._parse_bitwise()) -3176 -3177 def _parse_cast(self, strict: bool) -> exp.Expression: -3178 this = self._parse_conjunction() -3179 -3180 if not self._match(TokenType.ALIAS): -3181 self.raise_error("Expected AS after CAST") -3182 -3183 to = self._parse_types() -3184 -3185 if not to: -3186 self.raise_error("Expected TYPE after CAST") -3187 elif to.this == exp.DataType.Type.CHAR: -3188 if self._match(TokenType.CHARACTER_SET): -3189 to = self.expression(exp.CharacterSet, this=self._parse_var_or_string()) -3190 -3191 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) -3192 -3193 def _parse_string_agg(self) -> exp.Expression: -3194 expression: t.Optional[exp.Expression] -3195 -3196 if self._match(TokenType.DISTINCT): -3197 args = self._parse_csv(self._parse_conjunction) -3198 expression = self.expression(exp.Distinct, expressions=[seq_get(args, 0)]) -3199 else: -3200 args = self._parse_csv(self._parse_conjunction) -3201 expression = seq_get(args, 0) -3202 -3203 index = self._index -3204 if not self._match(TokenType.R_PAREN): -3205 # postgres: STRING_AGG([DISTINCT] expression, separator [ORDER BY expression1 {ASC | DESC} [, ...]]) -3206 order = self._parse_order(this=expression) -3207 return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1)) -3208 -3209 # Checks if we can parse an order clause: WITHIN GROUP (ORDER BY <order_by_expression_list> [ASC | DESC]). -3210 # This is done "manually", instead of letting _parse_window parse it into an exp.WithinGroup node, so that -3211 # the STRING_AGG call is parsed like in MySQL / SQLite and can thus be transpiled more easily to them. -3212 if not self._match(TokenType.WITHIN_GROUP): -3213 self._retreat(index) -3214 this = exp.GroupConcat.from_arg_list(args) -3215 self.validate_expression(this, args) -3216 return this -3217 -3218 self._match_l_paren() # The corresponding match_r_paren will be called in parse_function (caller) -3219 order = self._parse_order(this=expression) -3220 return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1)) -3221 -3222 def _parse_convert(self, strict: bool) -> t.Optional[exp.Expression]: -3223 to: t.Optional[exp.Expression] -3224 this = self._parse_column() -3225 -3226 if self._match(TokenType.USING): -3227 to = self.expression(exp.CharacterSet, this=self._parse_var()) -3228 elif self._match(TokenType.COMMA): -3229 to = self._parse_types() -3230 else: -3231 to = None -3232 -3233 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) -3234 -3235 def _parse_position(self, haystack_first: bool = False) -> exp.Expression: -3236 args = self._parse_csv(self._parse_bitwise) -3237 -3238 if self._match(TokenType.IN): -3239 return self.expression( -3240 exp.StrPosition, this=self._parse_bitwise(), substr=seq_get(args, 0) -3241 ) -3242 -3243 if haystack_first: -3244 haystack = seq_get(args, 0) -3245 needle = seq_get(args, 1) -3246 else: -3247 needle = seq_get(args, 0) -3248 haystack = seq_get(args, 1) -3249 -3250 this = exp.StrPosition(this=haystack, substr=needle, position=seq_get(args, 2)) -3251 -3252 self.validate_expression(this, args) +3164 def _parse_case(self) -> t.Optional[exp.Expression]: +3165 ifs = [] +3166 default = None +3167 +3168 expression = self._parse_conjunction() +3169 +3170 while self._match(TokenType.WHEN): +3171 this = self._parse_conjunction() +3172 self._match(TokenType.THEN) +3173 then = self._parse_conjunction() +3174 ifs.append(self.expression(exp.If, this=this, true=then)) +3175 +3176 if self._match(TokenType.ELSE): +3177 default = self._parse_conjunction() +3178 +3179 if not self._match(TokenType.END): +3180 self.raise_error("Expected END after CASE", self._prev) +3181 +3182 return self._parse_window( +3183 self.expression(exp.Case, this=expression, ifs=ifs, default=default) +3184 ) +3185 +3186 def _parse_if(self) -> t.Optional[exp.Expression]: +3187 if self._match(TokenType.L_PAREN): +3188 args = self._parse_csv(self._parse_conjunction) +3189 this = exp.If.from_arg_list(args) +3190 self.validate_expression(this, args) +3191 self._match_r_paren() +3192 else: +3193 condition = self._parse_conjunction() +3194 self._match(TokenType.THEN) +3195 true = self._parse_conjunction() +3196 false = self._parse_conjunction() if self._match(TokenType.ELSE) else None +3197 self._match(TokenType.END) +3198 this = self.expression(exp.If, this=condition, true=true, false=false) +3199 +3200 return self._parse_window(this) +3201 +3202 def _parse_extract(self) -> exp.Expression: +3203 this = self._parse_function() or self._parse_var() or self._parse_type() +3204 +3205 if self._match(TokenType.FROM): +3206 return self.expression(exp.Extract, this=this, expression=self._parse_bitwise()) +3207 +3208 if not self._match(TokenType.COMMA): +3209 self.raise_error("Expected FROM or comma after EXTRACT", self._prev) +3210 +3211 return self.expression(exp.Extract, this=this, expression=self._parse_bitwise()) +3212 +3213 def _parse_cast(self, strict: bool) -> exp.Expression: +3214 this = self._parse_conjunction() +3215 +3216 if not self._match(TokenType.ALIAS): +3217 self.raise_error("Expected AS after CAST") +3218 +3219 to = self._parse_types() +3220 +3221 if not to: +3222 self.raise_error("Expected TYPE after CAST") +3223 elif to.this == exp.DataType.Type.CHAR: +3224 if self._match(TokenType.CHARACTER_SET): +3225 to = self.expression(exp.CharacterSet, this=self._parse_var_or_string()) +3226 +3227 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) +3228 +3229 def _parse_string_agg(self) -> exp.Expression: +3230 expression: t.Optional[exp.Expression] +3231 +3232 if self._match(TokenType.DISTINCT): +3233 args = self._parse_csv(self._parse_conjunction) +3234 expression = self.expression(exp.Distinct, expressions=[seq_get(args, 0)]) +3235 else: +3236 args = self._parse_csv(self._parse_conjunction) +3237 expression = seq_get(args, 0) +3238 +3239 index = self._index +3240 if not self._match(TokenType.R_PAREN): +3241 # postgres: STRING_AGG([DISTINCT] expression, separator [ORDER BY expression1 {ASC | DESC} [, ...]]) +3242 order = self._parse_order(this=expression) +3243 return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1)) +3244 +3245 # Checks if we can parse an order clause: WITHIN GROUP (ORDER BY <order_by_expression_list> [ASC | DESC]). +3246 # This is done "manually", instead of letting _parse_window parse it into an exp.WithinGroup node, so that +3247 # the STRING_AGG call is parsed like in MySQL / SQLite and can thus be transpiled more easily to them. +3248 if not self._match(TokenType.WITHIN_GROUP): +3249 self._retreat(index) +3250 this = exp.GroupConcat.from_arg_list(args) +3251 self.validate_expression(this, args) +3252 return this 3253 -3254 return this -3255 -3256 def _parse_join_hint(self, func_name: str) -> exp.Expression: -3257 args = self._parse_csv(self._parse_table) -3258 return exp.JoinHint(this=func_name.upper(), expressions=args) -3259 -3260 def _parse_substring(self) -> exp.Expression: -3261 # Postgres supports the form: substring(string [from int] [for int]) -3262 # https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6 -3263 -3264 args = self._parse_csv(self._parse_bitwise) -3265 -3266 if self._match(TokenType.FROM): -3267 args.append(self._parse_bitwise()) -3268 if self._match(TokenType.FOR): -3269 args.append(self._parse_bitwise()) +3254 self._match_l_paren() # The corresponding match_r_paren will be called in parse_function (caller) +3255 order = self._parse_order(this=expression) +3256 return self.expression(exp.GroupConcat, this=order, separator=seq_get(args, 1)) +3257 +3258 def _parse_convert(self, strict: bool) -> t.Optional[exp.Expression]: +3259 to: t.Optional[exp.Expression] +3260 this = self._parse_column() +3261 +3262 if self._match(TokenType.USING): +3263 to = self.expression(exp.CharacterSet, this=self._parse_var()) +3264 elif self._match(TokenType.COMMA): +3265 to = self._parse_types() +3266 else: +3267 to = None +3268 +3269 return self.expression(exp.Cast if strict else exp.TryCast, this=this, to=to) 3270 -3271 this = exp.Substring.from_arg_list(args) -3272 self.validate_expression(this, args) +3271 def _parse_position(self, haystack_first: bool = False) -> exp.Expression: +3272 args = self._parse_csv(self._parse_bitwise) 3273 -3274 return this -3275 -3276 def _parse_trim(self) -> exp.Expression: -3277 # https://www.w3resource.com/sql/character-functions/trim.php -3278 # https://docs.oracle.com/javadb/10.8.3.0/ref/rreftrimfunc.html -3279 -3280 position = None -3281 collation = None -3282 -3283 if self._match_set(self.TRIM_TYPES): -3284 position = self._prev.text.upper() +3274 if self._match(TokenType.IN): +3275 return self.expression( +3276 exp.StrPosition, this=self._parse_bitwise(), substr=seq_get(args, 0) +3277 ) +3278 +3279 if haystack_first: +3280 haystack = seq_get(args, 0) +3281 needle = seq_get(args, 1) +3282 else: +3283 needle = seq_get(args, 0) +3284 haystack = seq_get(args, 1) 3285 -3286 expression = self._parse_term() -3287 if self._match_set((TokenType.FROM, TokenType.COMMA)): -3288 this = self._parse_term() -3289 else: -3290 this = expression -3291 expression = None -3292 -3293 if self._match(TokenType.COLLATE): -3294 collation = self._parse_term() +3286 this = exp.StrPosition(this=haystack, substr=needle, position=seq_get(args, 2)) +3287 +3288 self.validate_expression(this, args) +3289 +3290 return this +3291 +3292 def _parse_join_hint(self, func_name: str) -> exp.Expression: +3293 args = self._parse_csv(self._parse_table) +3294 return exp.JoinHint(this=func_name.upper(), expressions=args) 3295 -3296 return self.expression( -3297 exp.Trim, -3298 this=this, -3299 position=position, -3300 expression=expression, -3301 collation=collation, -3302 ) -3303 -3304 def _parse_window_clause(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: -3305 return self._match(TokenType.WINDOW) and self._parse_csv(self._parse_named_window) +3296 def _parse_substring(self) -> exp.Expression: +3297 # Postgres supports the form: substring(string [from int] [for int]) +3298 # https://www.postgresql.org/docs/9.1/functions-string.html @ Table 9-6 +3299 +3300 args = self._parse_csv(self._parse_bitwise) +3301 +3302 if self._match(TokenType.FROM): +3303 args.append(self._parse_bitwise()) +3304 if self._match(TokenType.FOR): +3305 args.append(self._parse_bitwise()) 3306 -3307 def _parse_named_window(self) -> t.Optional[exp.Expression]: -3308 return self._parse_window(self._parse_id_var(), alias=True) +3307 this = exp.Substring.from_arg_list(args) +3308 self.validate_expression(this, args) 3309 -3310 def _parse_window( -3311 self, this: t.Optional[exp.Expression], alias: bool = False -3312 ) -> t.Optional[exp.Expression]: -3313 if self._match(TokenType.FILTER): -3314 where = self._parse_wrapped(self._parse_where) -3315 this = self.expression(exp.Filter, this=this, expression=where) -3316 -3317 # T-SQL allows the OVER (...) syntax after WITHIN GROUP. -3318 # https://learn.microsoft.com/en-us/sql/t-sql/functions/percentile-disc-transact-sql?view=sql-server-ver16 -3319 if self._match(TokenType.WITHIN_GROUP): -3320 order = self._parse_wrapped(self._parse_order) -3321 this = self.expression(exp.WithinGroup, this=this, expression=order) -3322 -3323 # SQL spec defines an optional [ { IGNORE | RESPECT } NULLS ] OVER -3324 # Some dialects choose to implement and some do not. -3325 # https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html -3326 -3327 # There is some code above in _parse_lambda that handles -3328 # SELECT FIRST_VALUE(TABLE.COLUMN IGNORE|RESPECT NULLS) OVER ... -3329 -3330 # The below changes handle -3331 # SELECT FIRST_VALUE(TABLE.COLUMN) IGNORE|RESPECT NULLS OVER ... -3332 -3333 # Oracle allows both formats -3334 # (https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/img_text/first_value.html) -3335 # and Snowflake chose to do the same for familiarity -3336 # https://docs.snowflake.com/en/sql-reference/functions/first_value.html#usage-notes -3337 if self._match(TokenType.IGNORE_NULLS): -3338 this = self.expression(exp.IgnoreNulls, this=this) -3339 elif self._match(TokenType.RESPECT_NULLS): -3340 this = self.expression(exp.RespectNulls, this=this) -3341 -3342 # bigquery select from window x AS (partition by ...) -3343 if alias: -3344 self._match(TokenType.ALIAS) -3345 elif not self._match(TokenType.OVER): -3346 return this -3347 -3348 if not self._match(TokenType.L_PAREN): -3349 return self.expression(exp.Window, this=this, alias=self._parse_id_var(False)) -3350 -3351 window_alias = self._parse_id_var(any_token=False, tokens=self.WINDOW_ALIAS_TOKENS) -3352 partition = self._parse_partition_by() -3353 order = self._parse_order() -3354 kind = self._match_set((TokenType.ROWS, TokenType.RANGE)) and self._prev.text -3355 -3356 if kind: -3357 self._match(TokenType.BETWEEN) -3358 start = self._parse_window_spec() -3359 self._match(TokenType.AND) -3360 end = self._parse_window_spec() -3361 -3362 spec = self.expression( -3363 exp.WindowSpec, -3364 kind=kind, -3365 start=start["value"], -3366 start_side=start["side"], -3367 end=end["value"], -3368 end_side=end["side"], -3369 ) -3370 else: -3371 spec = None -3372 -3373 self._match_r_paren() -3374 -3375 return self.expression( -3376 exp.Window, -3377 this=this, -3378 partition_by=partition, -3379 order=order, -3380 spec=spec, -3381 alias=window_alias, -3382 ) +3310 return this +3311 +3312 def _parse_trim(self) -> exp.Expression: +3313 # https://www.w3resource.com/sql/character-functions/trim.php +3314 # https://docs.oracle.com/javadb/10.8.3.0/ref/rreftrimfunc.html +3315 +3316 position = None +3317 collation = None +3318 +3319 if self._match_set(self.TRIM_TYPES): +3320 position = self._prev.text.upper() +3321 +3322 expression = self._parse_term() +3323 if self._match_set((TokenType.FROM, TokenType.COMMA)): +3324 this = self._parse_term() +3325 else: +3326 this = expression +3327 expression = None +3328 +3329 if self._match(TokenType.COLLATE): +3330 collation = self._parse_term() +3331 +3332 return self.expression( +3333 exp.Trim, +3334 this=this, +3335 position=position, +3336 expression=expression, +3337 collation=collation, +3338 ) +3339 +3340 def _parse_window_clause(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: +3341 return self._match(TokenType.WINDOW) and self._parse_csv(self._parse_named_window) +3342 +3343 def _parse_named_window(self) -> t.Optional[exp.Expression]: +3344 return self._parse_window(self._parse_id_var(), alias=True) +3345 +3346 def _parse_window( +3347 self, this: t.Optional[exp.Expression], alias: bool = False +3348 ) -> t.Optional[exp.Expression]: +3349 if self._match(TokenType.FILTER): +3350 where = self._parse_wrapped(self._parse_where) +3351 this = self.expression(exp.Filter, this=this, expression=where) +3352 +3353 # T-SQL allows the OVER (...) syntax after WITHIN GROUP. +3354 # https://learn.microsoft.com/en-us/sql/t-sql/functions/percentile-disc-transact-sql?view=sql-server-ver16 +3355 if self._match(TokenType.WITHIN_GROUP): +3356 order = self._parse_wrapped(self._parse_order) +3357 this = self.expression(exp.WithinGroup, this=this, expression=order) +3358 +3359 # SQL spec defines an optional [ { IGNORE | RESPECT } NULLS ] OVER +3360 # Some dialects choose to implement and some do not. +3361 # https://dev.mysql.com/doc/refman/8.0/en/window-function-descriptions.html +3362 +3363 # There is some code above in _parse_lambda that handles +3364 # SELECT FIRST_VALUE(TABLE.COLUMN IGNORE|RESPECT NULLS) OVER ... +3365 +3366 # The below changes handle +3367 # SELECT FIRST_VALUE(TABLE.COLUMN) IGNORE|RESPECT NULLS OVER ... +3368 +3369 # Oracle allows both formats +3370 # (https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/img_text/first_value.html) +3371 # and Snowflake chose to do the same for familiarity +3372 # https://docs.snowflake.com/en/sql-reference/functions/first_value.html#usage-notes +3373 if self._match(TokenType.IGNORE_NULLS): +3374 this = self.expression(exp.IgnoreNulls, this=this) +3375 elif self._match(TokenType.RESPECT_NULLS): +3376 this = self.expression(exp.RespectNulls, this=this) +3377 +3378 # bigquery select from window x AS (partition by ...) +3379 if alias: +3380 self._match(TokenType.ALIAS) +3381 elif not self._match(TokenType.OVER): +3382 return this 3383 -3384 def _parse_window_spec(self) -> t.Dict[str, t.Optional[str | exp.Expression]]: -3385 self._match(TokenType.BETWEEN) +3384 if not self._match(TokenType.L_PAREN): +3385 return self.expression(exp.Window, this=this, alias=self._parse_id_var(False)) 3386 -3387 return { -3388 "value": ( -3389 self._match_set((TokenType.UNBOUNDED, TokenType.CURRENT_ROW)) and self._prev.text -3390 ) -3391 or self._parse_bitwise(), -3392 "side": self._match_set((TokenType.PRECEDING, TokenType.FOLLOWING)) and self._prev.text, -3393 } -3394 -3395 def _parse_alias( -3396 self, this: t.Optional[exp.Expression], explicit: bool = False -3397 ) -> t.Optional[exp.Expression]: -3398 any_token = self._match(TokenType.ALIAS) -3399 -3400 if explicit and not any_token: -3401 return this -3402 -3403 if self._match(TokenType.L_PAREN): -3404 aliases = self.expression( -3405 exp.Aliases, -3406 this=this, -3407 expressions=self._parse_csv(lambda: self._parse_id_var(any_token)), -3408 ) -3409 self._match_r_paren(aliases) -3410 return aliases -3411 -3412 alias = self._parse_id_var(any_token) -3413 -3414 if alias: -3415 return self.expression(exp.Alias, this=this, alias=alias) -3416 -3417 return this -3418 -3419 def _parse_id_var( -3420 self, -3421 any_token: bool = True, -3422 tokens: t.Optional[t.Collection[TokenType]] = None, -3423 prefix_tokens: t.Optional[t.Collection[TokenType]] = None, -3424 ) -> t.Optional[exp.Expression]: -3425 identifier = self._parse_identifier() -3426 -3427 if identifier: -3428 return identifier -3429 -3430 prefix = "" -3431 -3432 if prefix_tokens: -3433 while self._match_set(prefix_tokens): -3434 prefix += self._prev.text +3387 window_alias = self._parse_id_var(any_token=False, tokens=self.WINDOW_ALIAS_TOKENS) +3388 partition = self._parse_partition_by() +3389 order = self._parse_order() +3390 kind = self._match_set((TokenType.ROWS, TokenType.RANGE)) and self._prev.text +3391 +3392 if kind: +3393 self._match(TokenType.BETWEEN) +3394 start = self._parse_window_spec() +3395 self._match(TokenType.AND) +3396 end = self._parse_window_spec() +3397 +3398 spec = self.expression( +3399 exp.WindowSpec, +3400 kind=kind, +3401 start=start["value"], +3402 start_side=start["side"], +3403 end=end["value"], +3404 end_side=end["side"], +3405 ) +3406 else: +3407 spec = None +3408 +3409 self._match_r_paren() +3410 +3411 return self.expression( +3412 exp.Window, +3413 this=this, +3414 partition_by=partition, +3415 order=order, +3416 spec=spec, +3417 alias=window_alias, +3418 ) +3419 +3420 def _parse_window_spec(self) -> t.Dict[str, t.Optional[str | exp.Expression]]: +3421 self._match(TokenType.BETWEEN) +3422 +3423 return { +3424 "value": ( +3425 self._match_set((TokenType.UNBOUNDED, TokenType.CURRENT_ROW)) and self._prev.text +3426 ) +3427 or self._parse_bitwise(), +3428 "side": self._match_set((TokenType.PRECEDING, TokenType.FOLLOWING)) and self._prev.text, +3429 } +3430 +3431 def _parse_alias( +3432 self, this: t.Optional[exp.Expression], explicit: bool = False +3433 ) -> t.Optional[exp.Expression]: +3434 any_token = self._match(TokenType.ALIAS) 3435 -3436 if (any_token and self._advance_any()) or self._match_set(tokens or self.ID_VAR_TOKENS): -3437 quoted = self._prev.token_type == TokenType.STRING -3438 return exp.Identifier(this=prefix + self._prev.text, quoted=quoted) -3439 -3440 return None -3441 -3442 def _parse_string(self) -> t.Optional[exp.Expression]: -3443 if self._match(TokenType.STRING): -3444 return self.PRIMARY_PARSERS[TokenType.STRING](self, self._prev) -3445 return self._parse_placeholder() -3446 -3447 def _parse_number(self) -> t.Optional[exp.Expression]: -3448 if self._match(TokenType.NUMBER): -3449 return self.PRIMARY_PARSERS[TokenType.NUMBER](self, self._prev) -3450 return self._parse_placeholder() -3451 -3452 def _parse_identifier(self) -> t.Optional[exp.Expression]: -3453 if self._match(TokenType.IDENTIFIER): -3454 return self.expression(exp.Identifier, this=self._prev.text, quoted=True) -3455 return self._parse_placeholder() -3456 -3457 def _parse_var(self, any_token: bool = False) -> t.Optional[exp.Expression]: -3458 if (any_token and self._advance_any()) or self._match(TokenType.VAR): -3459 return self.expression(exp.Var, this=self._prev.text) -3460 return self._parse_placeholder() -3461 -3462 def _advance_any(self) -> t.Optional[Token]: -3463 if self._curr and self._curr.token_type not in self.RESERVED_KEYWORDS: -3464 self._advance() -3465 return self._prev -3466 return None +3436 if explicit and not any_token: +3437 return this +3438 +3439 if self._match(TokenType.L_PAREN): +3440 aliases = self.expression( +3441 exp.Aliases, +3442 this=this, +3443 expressions=self._parse_csv(lambda: self._parse_id_var(any_token)), +3444 ) +3445 self._match_r_paren(aliases) +3446 return aliases +3447 +3448 alias = self._parse_id_var(any_token) +3449 +3450 if alias: +3451 return self.expression(exp.Alias, this=this, alias=alias) +3452 +3453 return this +3454 +3455 def _parse_id_var( +3456 self, +3457 any_token: bool = True, +3458 tokens: t.Optional[t.Collection[TokenType]] = None, +3459 prefix_tokens: t.Optional[t.Collection[TokenType]] = None, +3460 ) -> t.Optional[exp.Expression]: +3461 identifier = self._parse_identifier() +3462 +3463 if identifier: +3464 return identifier +3465 +3466 prefix = "" 3467 -3468 def _parse_var_or_string(self) -> t.Optional[exp.Expression]: -3469 return self._parse_var() or self._parse_string() -3470 -3471 def _parse_null(self) -> t.Optional[exp.Expression]: -3472 if self._match(TokenType.NULL): -3473 return self.PRIMARY_PARSERS[TokenType.NULL](self, self._prev) -3474 return None +3468 if prefix_tokens: +3469 while self._match_set(prefix_tokens): +3470 prefix += self._prev.text +3471 +3472 if (any_token and self._advance_any()) or self._match_set(tokens or self.ID_VAR_TOKENS): +3473 quoted = self._prev.token_type == TokenType.STRING +3474 return exp.Identifier(this=prefix + self._prev.text, quoted=quoted) 3475 -3476 def _parse_boolean(self) -> t.Optional[exp.Expression]: -3477 if self._match(TokenType.TRUE): -3478 return self.PRIMARY_PARSERS[TokenType.TRUE](self, self._prev) -3479 if self._match(TokenType.FALSE): -3480 return self.PRIMARY_PARSERS[TokenType.FALSE](self, self._prev) -3481 return None +3476 return None +3477 +3478 def _parse_string(self) -> t.Optional[exp.Expression]: +3479 if self._match(TokenType.STRING): +3480 return self.PRIMARY_PARSERS[TokenType.STRING](self, self._prev) +3481 return self._parse_placeholder() 3482 -3483 def _parse_star(self) -> t.Optional[exp.Expression]: -3484 if self._match(TokenType.STAR): -3485 return self.PRIMARY_PARSERS[TokenType.STAR](self, self._prev) -3486 return None +3483 def _parse_number(self) -> t.Optional[exp.Expression]: +3484 if self._match(TokenType.NUMBER): +3485 return self.PRIMARY_PARSERS[TokenType.NUMBER](self, self._prev) +3486 return self._parse_placeholder() 3487 -3488 def _parse_parameter(self) -> exp.Expression: -3489 wrapped = self._match(TokenType.L_BRACE) -3490 this = self._parse_var() or self._parse_primary() -3491 self._match(TokenType.R_BRACE) -3492 return self.expression(exp.Parameter, this=this, wrapped=wrapped) -3493 -3494 def _parse_placeholder(self) -> t.Optional[exp.Expression]: -3495 if self._match_set(self.PLACEHOLDER_PARSERS): -3496 placeholder = self.PLACEHOLDER_PARSERS[self._prev.token_type](self) -3497 if placeholder: -3498 return placeholder -3499 self._advance(-1) -3500 return None -3501 -3502 def _parse_except(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: -3503 if not self._match(TokenType.EXCEPT): -3504 return None -3505 if self._match(TokenType.L_PAREN, advance=False): -3506 return self._parse_wrapped_csv(self._parse_column) -3507 return self._parse_csv(self._parse_column) -3508 -3509 def _parse_replace(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: -3510 if not self._match(TokenType.REPLACE): -3511 return None -3512 if self._match(TokenType.L_PAREN, advance=False): -3513 return self._parse_wrapped_csv(self._parse_expression) -3514 return self._parse_csv(self._parse_expression) -3515 -3516 def _parse_csv( -3517 self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA -3518 ) -> t.List[t.Optional[exp.Expression]]: -3519 parse_result = parse_method() -3520 items = [parse_result] if parse_result is not None else [] -3521 -3522 while self._match(sep): -3523 if parse_result and self._prev_comments: -3524 parse_result.comments = self._prev_comments -3525 -3526 parse_result = parse_method() -3527 if parse_result is not None: -3528 items.append(parse_result) +3488 def _parse_identifier(self) -> t.Optional[exp.Expression]: +3489 if self._match(TokenType.IDENTIFIER): +3490 return self.expression(exp.Identifier, this=self._prev.text, quoted=True) +3491 return self._parse_placeholder() +3492 +3493 def _parse_var(self, any_token: bool = False) -> t.Optional[exp.Expression]: +3494 if (any_token and self._advance_any()) or self._match(TokenType.VAR): +3495 return self.expression(exp.Var, this=self._prev.text) +3496 return self._parse_placeholder() +3497 +3498 def _advance_any(self) -> t.Optional[Token]: +3499 if self._curr and self._curr.token_type not in self.RESERVED_KEYWORDS: +3500 self._advance() +3501 return self._prev +3502 return None +3503 +3504 def _parse_var_or_string(self) -> t.Optional[exp.Expression]: +3505 return self._parse_var() or self._parse_string() +3506 +3507 def _parse_null(self) -> t.Optional[exp.Expression]: +3508 if self._match(TokenType.NULL): +3509 return self.PRIMARY_PARSERS[TokenType.NULL](self, self._prev) +3510 return None +3511 +3512 def _parse_boolean(self) -> t.Optional[exp.Expression]: +3513 if self._match(TokenType.TRUE): +3514 return self.PRIMARY_PARSERS[TokenType.TRUE](self, self._prev) +3515 if self._match(TokenType.FALSE): +3516 return self.PRIMARY_PARSERS[TokenType.FALSE](self, self._prev) +3517 return None +3518 +3519 def _parse_star(self) -> t.Optional[exp.Expression]: +3520 if self._match(TokenType.STAR): +3521 return self.PRIMARY_PARSERS[TokenType.STAR](self, self._prev) +3522 return None +3523 +3524 def _parse_parameter(self) -> exp.Expression: +3525 wrapped = self._match(TokenType.L_BRACE) +3526 this = self._parse_var() or self._parse_primary() +3527 self._match(TokenType.R_BRACE) +3528 return self.expression(exp.Parameter, this=this, wrapped=wrapped) 3529 -3530 return items -3531 -3532 def _parse_tokens( -3533 self, parse_method: t.Callable, expressions: t.Dict -3534 ) -> t.Optional[exp.Expression]: -3535 this = parse_method() -3536 -3537 while self._match_set(expressions): -3538 this = self.expression( -3539 expressions[self._prev.token_type], -3540 this=this, -3541 comments=self._prev_comments, -3542 expression=parse_method(), -3543 ) +3530 def _parse_placeholder(self) -> t.Optional[exp.Expression]: +3531 if self._match_set(self.PLACEHOLDER_PARSERS): +3532 placeholder = self.PLACEHOLDER_PARSERS[self._prev.token_type](self) +3533 if placeholder: +3534 return placeholder +3535 self._advance(-1) +3536 return None +3537 +3538 def _parse_except(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: +3539 if not self._match(TokenType.EXCEPT): +3540 return None +3541 if self._match(TokenType.L_PAREN, advance=False): +3542 return self._parse_wrapped_csv(self._parse_column) +3543 return self._parse_csv(self._parse_column) 3544 -3545 return this -3546 -3547 def _parse_wrapped_id_vars(self) -> t.List[t.Optional[exp.Expression]]: -3548 return self._parse_wrapped_csv(self._parse_id_var) -3549 -3550 def _parse_wrapped_csv( -3551 self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA -3552 ) -> t.List[t.Optional[exp.Expression]]: -3553 return self._parse_wrapped(lambda: self._parse_csv(parse_method, sep=sep)) -3554 -3555 def _parse_wrapped(self, parse_method: t.Callable) -> t.Any: -3556 self._match_l_paren() -3557 parse_result = parse_method() -3558 self._match_r_paren() -3559 return parse_result -3560 -3561 def _parse_select_or_expression(self) -> t.Optional[exp.Expression]: -3562 return self._parse_select() or self._parse_expression() -3563 -3564 def _parse_ddl_select(self) -> t.Optional[exp.Expression]: -3565 return self._parse_set_operations( -3566 self._parse_select(nested=True, parse_subquery_alias=False) -3567 ) -3568 -3569 def _parse_transaction(self) -> exp.Expression: -3570 this = None -3571 if self._match_texts(self.TRANSACTION_KIND): -3572 this = self._prev.text -3573 -3574 self._match_texts({"TRANSACTION", "WORK"}) -3575 -3576 modes = [] -3577 while True: -3578 mode = [] -3579 while self._match(TokenType.VAR): -3580 mode.append(self._prev.text) -3581 -3582 if mode: -3583 modes.append(" ".join(mode)) -3584 if not self._match(TokenType.COMMA): -3585 break -3586 -3587 return self.expression(exp.Transaction, this=this, modes=modes) -3588 -3589 def _parse_commit_or_rollback(self) -> exp.Expression: -3590 chain = None -3591 savepoint = None -3592 is_rollback = self._prev.token_type == TokenType.ROLLBACK -3593 -3594 self._match_texts({"TRANSACTION", "WORK"}) -3595 -3596 if self._match_text_seq("TO"): -3597 self._match_text_seq("SAVEPOINT") -3598 savepoint = self._parse_id_var() +3545 def _parse_replace(self) -> t.Optional[t.List[t.Optional[exp.Expression]]]: +3546 if not self._match(TokenType.REPLACE): +3547 return None +3548 if self._match(TokenType.L_PAREN, advance=False): +3549 return self._parse_wrapped_csv(self._parse_expression) +3550 return self._parse_csv(self._parse_expression) +3551 +3552 def _parse_csv( +3553 self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA +3554 ) -> t.List[t.Optional[exp.Expression]]: +3555 parse_result = parse_method() +3556 items = [parse_result] if parse_result is not None else [] +3557 +3558 while self._match(sep): +3559 if parse_result and self._prev_comments: +3560 parse_result.comments = self._prev_comments +3561 +3562 parse_result = parse_method() +3563 if parse_result is not None: +3564 items.append(parse_result) +3565 +3566 return items +3567 +3568 def _parse_tokens( +3569 self, parse_method: t.Callable, expressions: t.Dict +3570 ) -> t.Optional[exp.Expression]: +3571 this = parse_method() +3572 +3573 while self._match_set(expressions): +3574 this = self.expression( +3575 expressions[self._prev.token_type], +3576 this=this, +3577 comments=self._prev_comments, +3578 expression=parse_method(), +3579 ) +3580 +3581 return this +3582 +3583 def _parse_wrapped_id_vars(self) -> t.List[t.Optional[exp.Expression]]: +3584 return self._parse_wrapped_csv(self._parse_id_var) +3585 +3586 def _parse_wrapped_csv( +3587 self, parse_method: t.Callable, sep: TokenType = TokenType.COMMA +3588 ) -> t.List[t.Optional[exp.Expression]]: +3589 return self._parse_wrapped(lambda: self._parse_csv(parse_method, sep=sep)) +3590 +3591 def _parse_wrapped(self, parse_method: t.Callable) -> t.Any: +3592 self._match_l_paren() +3593 parse_result = parse_method() +3594 self._match_r_paren() +3595 return parse_result +3596 +3597 def _parse_select_or_expression(self) -> t.Optional[exp.Expression]: +3598 return self._parse_select() or self._parse_expression() 3599 -3600 if self._match(TokenType.AND): -3601 chain = not self._match_text_seq("NO") -3602 self._match_text_seq("CHAIN") -3603 -3604 if is_rollback: -3605 return self.expression(exp.Rollback, savepoint=savepoint) -3606 return self.expression(exp.Commit, chain=chain) -3607 -3608 def _parse_add_column(self) -> t.Optional[exp.Expression]: -3609 if not self._match_text_seq("ADD"): -3610 return None +3600 def _parse_ddl_select(self) -> t.Optional[exp.Expression]: +3601 return self._parse_set_operations( +3602 self._parse_select(nested=True, parse_subquery_alias=False) +3603 ) +3604 +3605 def _parse_transaction(self) -> exp.Expression: +3606 this = None +3607 if self._match_texts(self.TRANSACTION_KIND): +3608 this = self._prev.text +3609 +3610 self._match_texts({"TRANSACTION", "WORK"}) 3611 -3612 self._match(TokenType.COLUMN) -3613 exists_column = self._parse_exists(not_=True) -3614 expression = self._parse_column_def(self._parse_field(any_token=True)) -3615 -3616 if expression: -3617 expression.set("exists", exists_column) -3618 -3619 return expression -3620 -3621 def _parse_drop_column(self) -> t.Optional[exp.Expression]: -3622 return self._match(TokenType.DROP) and self._parse_drop(default_kind="COLUMN") -3623 -3624 # https://docs.aws.amazon.com/athena/latest/ug/alter-table-drop-partition.html -3625 def _parse_drop_partition(self, exists: t.Optional[bool] = None) -> exp.Expression: -3626 return self.expression( -3627 exp.DropPartition, expressions=self._parse_csv(self._parse_partition), exists=exists -3628 ) +3612 modes = [] +3613 while True: +3614 mode = [] +3615 while self._match(TokenType.VAR): +3616 mode.append(self._prev.text) +3617 +3618 if mode: +3619 modes.append(" ".join(mode)) +3620 if not self._match(TokenType.COMMA): +3621 break +3622 +3623 return self.expression(exp.Transaction, this=this, modes=modes) +3624 +3625 def _parse_commit_or_rollback(self) -> exp.Expression: +3626 chain = None +3627 savepoint = None +3628 is_rollback = self._prev.token_type == TokenType.ROLLBACK 3629 -3630 def _parse_add_constraint(self) -> t.Optional[exp.Expression]: -3631 this = None -3632 kind = self._prev.token_type -3633 -3634 if kind == TokenType.CONSTRAINT: -3635 this = self._parse_id_var() -3636 -3637 if self._match_text_seq("CHECK"): -3638 expression = self._parse_wrapped(self._parse_conjunction) -3639 enforced = self._match_text_seq("ENFORCED") -3640 -3641 return self.expression( -3642 exp.AddConstraint, this=this, expression=expression, enforced=enforced -3643 ) -3644 -3645 if kind == TokenType.FOREIGN_KEY or self._match(TokenType.FOREIGN_KEY): -3646 expression = self._parse_foreign_key() -3647 elif kind == TokenType.PRIMARY_KEY or self._match(TokenType.PRIMARY_KEY): -3648 expression = self._parse_primary_key() -3649 -3650 return self.expression(exp.AddConstraint, this=this, expression=expression) +3630 self._match_texts({"TRANSACTION", "WORK"}) +3631 +3632 if self._match_text_seq("TO"): +3633 self._match_text_seq("SAVEPOINT") +3634 savepoint = self._parse_id_var() +3635 +3636 if self._match(TokenType.AND): +3637 chain = not self._match_text_seq("NO") +3638 self._match_text_seq("CHAIN") +3639 +3640 if is_rollback: +3641 return self.expression(exp.Rollback, savepoint=savepoint) +3642 return self.expression(exp.Commit, chain=chain) +3643 +3644 def _parse_add_column(self) -> t.Optional[exp.Expression]: +3645 if not self._match_text_seq("ADD"): +3646 return None +3647 +3648 self._match(TokenType.COLUMN) +3649 exists_column = self._parse_exists(not_=True) +3650 expression = self._parse_column_def(self._parse_field(any_token=True)) 3651 -3652 def _parse_alter(self) -> t.Optional[exp.Expression]: -3653 if not self._match(TokenType.TABLE): -3654 return self._parse_as_command(self._prev) -3655 -3656 exists = self._parse_exists() -3657 this = self._parse_table(schema=True) -3658 -3659 actions: t.Optional[exp.Expression | t.List[t.Optional[exp.Expression]]] = None -3660 -3661 index = self._index -3662 if self._match(TokenType.DELETE): -3663 actions = [self.expression(exp.Delete, where=self._parse_where())] -3664 elif self._match_text_seq("ADD"): -3665 if self._match_set(self.ADD_CONSTRAINT_TOKENS): -3666 actions = self._parse_csv(self._parse_add_constraint) -3667 else: -3668 self._retreat(index) -3669 actions = self._parse_csv(self._parse_add_column) -3670 elif self._match_text_seq("DROP"): -3671 partition_exists = self._parse_exists() +3652 if expression: +3653 expression.set("exists", exists_column) +3654 +3655 return expression +3656 +3657 def _parse_drop_column(self) -> t.Optional[exp.Expression]: +3658 return self._match(TokenType.DROP) and self._parse_drop(default_kind="COLUMN") +3659 +3660 # https://docs.aws.amazon.com/athena/latest/ug/alter-table-drop-partition.html +3661 def _parse_drop_partition(self, exists: t.Optional[bool] = None) -> exp.Expression: +3662 return self.expression( +3663 exp.DropPartition, expressions=self._parse_csv(self._parse_partition), exists=exists +3664 ) +3665 +3666 def _parse_add_constraint(self) -> t.Optional[exp.Expression]: +3667 this = None +3668 kind = self._prev.token_type +3669 +3670 if kind == TokenType.CONSTRAINT: +3671 this = self._parse_id_var() 3672 -3673 if self._match(TokenType.PARTITION, advance=False): -3674 actions = self._parse_csv( -3675 lambda: self._parse_drop_partition(exists=partition_exists) -3676 ) -3677 else: -3678 self._retreat(index) -3679 actions = self._parse_csv(self._parse_drop_column) -3680 elif self._match_text_seq("RENAME", "TO"): -3681 actions = self.expression(exp.RenameTable, this=self._parse_table(schema=True)) -3682 elif self._match_text_seq("ALTER"): -3683 self._match(TokenType.COLUMN) -3684 column = self._parse_field(any_token=True) +3673 if self._match_text_seq("CHECK"): +3674 expression = self._parse_wrapped(self._parse_conjunction) +3675 enforced = self._match_text_seq("ENFORCED") +3676 +3677 return self.expression( +3678 exp.AddConstraint, this=this, expression=expression, enforced=enforced +3679 ) +3680 +3681 if kind == TokenType.FOREIGN_KEY or self._match(TokenType.FOREIGN_KEY): +3682 expression = self._parse_foreign_key() +3683 elif kind == TokenType.PRIMARY_KEY or self._match(TokenType.PRIMARY_KEY): +3684 expression = self._parse_primary_key() 3685 -3686 if self._match_pair(TokenType.DROP, TokenType.DEFAULT): -3687 actions = self.expression(exp.AlterColumn, this=column, drop=True) -3688 elif self._match_pair(TokenType.SET, TokenType.DEFAULT): -3689 actions = self.expression( -3690 exp.AlterColumn, this=column, default=self._parse_conjunction() -3691 ) -3692 else: -3693 self._match_text_seq("SET", "DATA") -3694 actions = self.expression( -3695 exp.AlterColumn, -3696 this=column, -3697 dtype=self._match_text_seq("TYPE") and self._parse_types(), -3698 collate=self._match(TokenType.COLLATE) and self._parse_term(), -3699 using=self._match(TokenType.USING) and self._parse_conjunction(), -3700 ) -3701 -3702 actions = ensure_list(actions) -3703 return self.expression(exp.AlterTable, this=this, exists=exists, actions=actions) -3704 -3705 def _parse_show(self) -> t.Optional[exp.Expression]: -3706 parser = self._find_parser(self.SHOW_PARSERS, self._show_trie) # type: ignore -3707 if parser: -3708 return parser(self) -3709 self._advance() -3710 return self.expression(exp.Show, this=self._prev.text.upper()) -3711 -3712 def _default_parse_set_item(self) -> exp.Expression: -3713 return self.expression( -3714 exp.SetItem, -3715 this=self._parse_statement(), -3716 ) +3686 return self.expression(exp.AddConstraint, this=this, expression=expression) +3687 +3688 def _parse_alter_table_add(self) -> t.List[t.Optional[exp.Expression]]: +3689 index = self._index - 1 +3690 +3691 if self._match_set(self.ADD_CONSTRAINT_TOKENS): +3692 return self._parse_csv(self._parse_add_constraint) +3693 +3694 self._retreat(index) +3695 return self._parse_csv(self._parse_add_column) +3696 +3697 def _parse_alter_table_alter(self) -> exp.Expression: +3698 self._match(TokenType.COLUMN) +3699 column = self._parse_field(any_token=True) +3700 +3701 if self._match_pair(TokenType.DROP, TokenType.DEFAULT): +3702 return self.expression(exp.AlterColumn, this=column, drop=True) +3703 if self._match_pair(TokenType.SET, TokenType.DEFAULT): +3704 return self.expression(exp.AlterColumn, this=column, default=self._parse_conjunction()) +3705 +3706 self._match_text_seq("SET", "DATA") +3707 return self.expression( +3708 exp.AlterColumn, +3709 this=column, +3710 dtype=self._match_text_seq("TYPE") and self._parse_types(), +3711 collate=self._match(TokenType.COLLATE) and self._parse_term(), +3712 using=self._match(TokenType.USING) and self._parse_conjunction(), +3713 ) +3714 +3715 def _parse_alter_table_drop(self) -> t.List[t.Optional[exp.Expression]]: +3716 index = self._index - 1 3717 -3718 def _parse_set_item(self) -> t.Optional[exp.Expression]: -3719 parser = self._find_parser(self.SET_PARSERS, self._set_trie) # type: ignore -3720 return parser(self) if parser else self._default_parse_set_item() +3718 partition_exists = self._parse_exists() +3719 if self._match(TokenType.PARTITION, advance=False): +3720 return self._parse_csv(lambda: self._parse_drop_partition(exists=partition_exists)) 3721 -3722 def _parse_merge(self) -> exp.Expression: -3723 self._match(TokenType.INTO) -3724 target = self._parse_table() -3725 -3726 self._match(TokenType.USING) -3727 using = self._parse_table() +3722 self._retreat(index) +3723 return self._parse_csv(self._parse_drop_column) +3724 +3725 def _parse_alter_table_rename(self) -> exp.Expression: +3726 self._match_text_seq("TO") +3727 return self.expression(exp.RenameTable, this=self._parse_table(schema=True)) 3728 -3729 self._match(TokenType.ON) -3730 on = self._parse_conjunction() -3731 -3732 whens = [] -3733 while self._match(TokenType.WHEN): -3734 this = self._parse_conjunction() -3735 self._match(TokenType.THEN) -3736 -3737 if self._match(TokenType.INSERT): -3738 _this = self._parse_star() -3739 if _this: -3740 then = self.expression(exp.Insert, this=_this) -3741 else: -3742 then = self.expression( -3743 exp.Insert, -3744 this=self._parse_value(), -3745 expression=self._match(TokenType.VALUES) and self._parse_value(), -3746 ) -3747 elif self._match(TokenType.UPDATE): -3748 expressions = self._parse_star() -3749 if expressions: -3750 then = self.expression(exp.Update, expressions=expressions) -3751 else: -3752 then = self.expression( -3753 exp.Update, -3754 expressions=self._match(TokenType.SET) -3755 and self._parse_csv(self._parse_equality), -3756 ) -3757 elif self._match(TokenType.DELETE): -3758 then = self.expression(exp.Var, this=self._prev.text) -3759 -3760 whens.append(self.expression(exp.When, this=this, then=then)) -3761 -3762 return self.expression( -3763 exp.Merge, -3764 this=target, -3765 using=using, -3766 on=on, -3767 expressions=whens, -3768 ) -3769 -3770 def _parse_set(self) -> exp.Expression: -3771 return self.expression(exp.Set, expressions=self._parse_csv(self._parse_set_item)) -3772 -3773 def _parse_as_command(self, start: Token) -> exp.Command: -3774 while self._curr: -3775 self._advance() -3776 return exp.Command(this=self._find_sql(start, self._prev)) -3777 -3778 def _find_parser( -3779 self, parsers: t.Dict[str, t.Callable], trie: t.Dict -3780 ) -> t.Optional[t.Callable]: -3781 index = self._index -3782 this = [] -3783 while True: -3784 # The current token might be multiple words -3785 curr = self._curr.text.upper() -3786 key = curr.split(" ") -3787 this.append(curr) -3788 self._advance() -3789 result, trie = in_trie(trie, key) -3790 if result == 0: -3791 break -3792 if result == 2: -3793 subparser = parsers[" ".join(this)] -3794 return subparser -3795 self._retreat(index) -3796 return None -3797 -3798 def _match(self, token_type, advance=True): -3799 if not self._curr: -3800 return None -3801 -3802 if self._curr.token_type == token_type: -3803 if advance: -3804 self._advance() -3805 return True -3806 -3807 return None +3729 def _parse_alter(self) -> t.Optional[exp.Expression]: +3730 if not self._match(TokenType.TABLE): +3731 return self._parse_as_command(self._prev) +3732 +3733 exists = self._parse_exists() +3734 this = self._parse_table(schema=True) +3735 +3736 if not self._curr: +3737 return None +3738 +3739 parser = self.ALTER_PARSERS.get(self._curr.text.upper()) +3740 actions = ensure_list(self._advance() or parser(self)) if parser else [] # type: ignore +3741 +3742 return self.expression(exp.AlterTable, this=this, exists=exists, actions=actions) +3743 +3744 def _parse_show(self) -> t.Optional[exp.Expression]: +3745 parser = self._find_parser(self.SHOW_PARSERS, self._show_trie) # type: ignore +3746 if parser: +3747 return parser(self) +3748 self._advance() +3749 return self.expression(exp.Show, this=self._prev.text.upper()) +3750 +3751 def _default_parse_set_item(self) -> exp.Expression: +3752 return self.expression( +3753 exp.SetItem, +3754 this=self._parse_statement(), +3755 ) +3756 +3757 def _parse_set_item(self) -> t.Optional[exp.Expression]: +3758 parser = self._find_parser(self.SET_PARSERS, self._set_trie) # type: ignore +3759 return parser(self) if parser else self._default_parse_set_item() +3760 +3761 def _parse_merge(self) -> exp.Expression: +3762 self._match(TokenType.INTO) +3763 target = self._parse_table() +3764 +3765 self._match(TokenType.USING) +3766 using = self._parse_table() +3767 +3768 self._match(TokenType.ON) +3769 on = self._parse_conjunction() +3770 +3771 whens = [] +3772 while self._match(TokenType.WHEN): +3773 this = self._parse_conjunction() +3774 self._match(TokenType.THEN) +3775 +3776 if self._match(TokenType.INSERT): +3777 _this = self._parse_star() +3778 if _this: +3779 then = self.expression(exp.Insert, this=_this) +3780 else: +3781 then = self.expression( +3782 exp.Insert, +3783 this=self._parse_value(), +3784 expression=self._match(TokenType.VALUES) and self._parse_value(), +3785 ) +3786 elif self._match(TokenType.UPDATE): +3787 expressions = self._parse_star() +3788 if expressions: +3789 then = self.expression(exp.Update, expressions=expressions) +3790 else: +3791 then = self.expression( +3792 exp.Update, +3793 expressions=self._match(TokenType.SET) +3794 and self._parse_csv(self._parse_equality), +3795 ) +3796 elif self._match(TokenType.DELETE): +3797 then = self.expression(exp.Var, this=self._prev.text) +3798 +3799 whens.append(self.expression(exp.When, this=this, then=then)) +3800 +3801 return self.expression( +3802 exp.Merge, +3803 this=target, +3804 using=using, +3805 on=on, +3806 expressions=whens, +3807 ) 3808 -3809 def _match_set(self, types, advance=True): -3810 if not self._curr: -3811 return None -3812 -3813 if self._curr.token_type in types: -3814 if advance: -3815 self._advance() -3816 return True -3817 -3818 return None -3819 -3820 def _match_pair(self, token_type_a, token_type_b, advance=True): -3821 if not self._curr or not self._next: -3822 return None -3823 -3824 if self._curr.token_type == token_type_a and self._next.token_type == token_type_b: -3825 if advance: -3826 self._advance(2) -3827 return True -3828 -3829 return None -3830 -3831 def _match_l_paren(self, expression=None): -3832 if not self._match(TokenType.L_PAREN): -3833 self.raise_error("Expecting (") -3834 if expression and self._prev_comments: -3835 expression.comments = self._prev_comments -3836 -3837 def _match_r_paren(self, expression=None): -3838 if not self._match(TokenType.R_PAREN): -3839 self.raise_error("Expecting )") -3840 if expression and self._prev_comments: -3841 expression.comments = self._prev_comments +3809 def _parse_set(self) -> exp.Expression: +3810 return self.expression(exp.Set, expressions=self._parse_csv(self._parse_set_item)) +3811 +3812 def _parse_as_command(self, start: Token) -> exp.Command: +3813 while self._curr: +3814 self._advance() +3815 text = self._find_sql(start, self._prev) +3816 size = len(start.text) +3817 return exp.Command(this=text[:size], expression=text[size:]) +3818 +3819 def _find_parser( +3820 self, parsers: t.Dict[str, t.Callable], trie: t.Dict +3821 ) -> t.Optional[t.Callable]: +3822 index = self._index +3823 this = [] +3824 while True: +3825 # The current token might be multiple words +3826 curr = self._curr.text.upper() +3827 key = curr.split(" ") +3828 this.append(curr) +3829 self._advance() +3830 result, trie = in_trie(trie, key) +3831 if result == 0: +3832 break +3833 if result == 2: +3834 subparser = parsers[" ".join(this)] +3835 return subparser +3836 self._retreat(index) +3837 return None +3838 +3839 def _match(self, token_type, advance=True): +3840 if not self._curr: +3841 return None 3842 -3843 def _match_texts(self, texts, advance=True): -3844 if self._curr and self._curr.text.upper() in texts: -3845 if advance: -3846 self._advance() -3847 return True -3848 return False +3843 if self._curr.token_type == token_type: +3844 if advance: +3845 self._advance() +3846 return True +3847 +3848 return None 3849 -3850 def _match_text_seq(self, *texts, advance=True): -3851 index = self._index -3852 for text in texts: -3853 if self._curr and self._curr.text.upper() == text: -3854 self._advance() -3855 else: -3856 self._retreat(index) -3857 return False +3850 def _match_set(self, types, advance=True): +3851 if not self._curr: +3852 return None +3853 +3854 if self._curr.token_type in types: +3855 if advance: +3856 self._advance() +3857 return True 3858 -3859 if not advance: -3860 self._retreat(index) -3861 -3862 return True -3863 -3864 def _replace_columns_with_dots(self, this): -3865 if isinstance(this, exp.Dot): -3866 exp.replace_children(this, self._replace_columns_with_dots) -3867 elif isinstance(this, exp.Column): -3868 exp.replace_children(this, self._replace_columns_with_dots) -3869 table = this.args.get("table") -3870 this = ( -3871 self.expression(exp.Dot, this=table, expression=this.this) -3872 if table -3873 else self.expression(exp.Var, this=this.name) -3874 ) -3875 elif isinstance(this, exp.Identifier): -3876 this = self.expression(exp.Var, this=this.name) -3877 return this -3878 -3879 def _replace_lambda(self, node, lambda_variables): -3880 if isinstance(node, exp.Column): -3881 if node.name in lambda_variables: -3882 return node.this -3883 return node +3859 return None +3860 +3861 def _match_pair(self, token_type_a, token_type_b, advance=True): +3862 if not self._curr or not self._next: +3863 return None +3864 +3865 if self._curr.token_type == token_type_a and self._next.token_type == token_type_b: +3866 if advance: +3867 self._advance(2) +3868 return True +3869 +3870 return None +3871 +3872 def _match_l_paren(self, expression=None): +3873 if not self._match(TokenType.L_PAREN): +3874 self.raise_error("Expecting (") +3875 if expression and self._prev_comments: +3876 expression.comments = self._prev_comments +3877 +3878 def _match_r_paren(self, expression=None): +3879 if not self._match(TokenType.R_PAREN): +3880 self.raise_error("Expecting )") +3881 if expression and self._prev_comments: +3882 expression.comments = self._prev_comments +3883 +3884 def _match_texts(self, texts, advance=True): +3885 if self._curr and self._curr.text.upper() in texts: +3886 if advance: +3887 self._advance() +3888 return True +3889 return False +3890 +3891 def _match_text_seq(self, *texts, advance=True): +3892 index = self._index +3893 for text in texts: +3894 if self._curr and self._curr.text.upper() == text: +3895 self._advance() +3896 else: +3897 self._retreat(index) +3898 return False +3899 +3900 if not advance: +3901 self._retreat(index) +3902 +3903 return True +3904 +3905 def _replace_columns_with_dots(self, this): +3906 if isinstance(this, exp.Dot): +3907 exp.replace_children(this, self._replace_columns_with_dots) +3908 elif isinstance(this, exp.Column): +3909 exp.replace_children(this, self._replace_columns_with_dots) +3910 table = this.args.get("table") +3911 this = ( +3912 self.expression(exp.Dot, this=table, expression=this.this) +3913 if table +3914 else self.expression(exp.Var, this=this.name) +3915 ) +3916 elif isinstance(this, exp.Identifier): +3917 this = self.expression(exp.Var, this=this.name) +3918 return this +3919 +3920 def _replace_lambda(self, node, lambda_variables): +3921 if isinstance(node, exp.Column): +3922 if node.name in lambda_variables: +3923 return node.this +3924 return node @@ -7889,24 +7971,24 @@ Default: "nulls_are_small" - 
    713    def __init__(
-714        self,
-715        error_level: t.Optional[ErrorLevel] = None,
-716        error_message_context: int = 100,
-717        index_offset: int = 0,
-718        unnest_column_only: bool = False,
-719        alias_post_tablesample: bool = False,
-720        max_errors: int = 3,
-721        null_ordering: t.Optional[str] = None,
-722    ):
-723        self.error_level = error_level or ErrorLevel.IMMEDIATE
-724        self.error_message_context = error_message_context
-725        self.index_offset = index_offset
-726        self.unnest_column_only = unnest_column_only
-727        self.alias_post_tablesample = alias_post_tablesample
-728        self.max_errors = max_errors
-729        self.null_ordering = null_ordering
-730        self.reset()
+            
    725    def __init__(
+726        self,
+727        error_level: t.Optional[ErrorLevel] = None,
+728        error_message_context: int = 100,
+729        index_offset: int = 0,
+730        unnest_column_only: bool = False,
+731        alias_post_tablesample: bool = False,
+732        max_errors: int = 3,
+733        null_ordering: t.Optional[str] = None,
+734    ):
+735        self.error_level = error_level or ErrorLevel.IMMEDIATE
+736        self.error_message_context = error_message_context
+737        self.index_offset = index_offset
+738        self.unnest_column_only = unnest_column_only
+739        self.alias_post_tablesample = alias_post_tablesample
+740        self.max_errors = max_errors
+741        self.null_ordering = null_ordering
+742        self.reset()
 
    
 
 
@@ -7924,15 +8006,15 @@ Default: "nulls_are_small"
    - 
    732    def reset(self):
-733        self.sql = ""
-734        self.errors = []
-735        self._tokens = []
-736        self._index = 0
-737        self._curr = None
-738        self._next = None
-739        self._prev = None
-740        self._prev_comments = None
+            
    744    def reset(self):
+745        self.sql = ""
+746        self.errors = []
+747        self._tokens = []
+748        self._index = 0
+749        self._curr = None
+750        self._next = None
+751        self._prev = None
+752        self._prev_comments = None
 
    
 
 
@@ -7950,23 +8032,23 @@ Default: "nulls_are_small"
    - 
    742    def parse(
-743        self, raw_tokens: t.List[Token], sql: t.Optional[str] = None
-744    ) -> t.List[t.Optional[exp.Expression]]:
-745        """
-746        Parses a list of tokens and returns a list of syntax trees, one tree
-747        per parsed SQL statement.
-748
-749        Args:
-750            raw_tokens: the list of tokens.
-751            sql: the original SQL string, used to produce helpful debug messages.
-752
-753        Returns:
-754            The list of syntax trees.
-755        """
-756        return self._parse(
-757            parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql
-758        )
+            
    754    def parse(
+755        self, raw_tokens: t.List[Token], sql: t.Optional[str] = None
+756    ) -> t.List[t.Optional[exp.Expression]]:
+757        """
+758        Parses a list of tokens and returns a list of syntax trees, one tree
+759        per parsed SQL statement.
+760
+761        Args:
+762            raw_tokens: the list of tokens.
+763            sql: the original SQL string, used to produce helpful debug messages.
+764
+765        Returns:
+766            The list of syntax trees.
+767        """
+768        return self._parse(
+769            parse_method=self.__class__._parse_statement, raw_tokens=raw_tokens, sql=sql
+770        )
 
    
 
 
@@ -8000,39 +8082,39 @@ per parsed SQL statement.
    - 
    760    def parse_into(
-761        self,
-762        expression_types: exp.IntoType,
-763        raw_tokens: t.List[Token],
-764        sql: t.Optional[str] = None,
-765    ) -> t.List[t.Optional[exp.Expression]]:
-766        """
-767        Parses a list of tokens into a given Expression type. If a collection of Expression
-768        types is given instead, this method will try to parse the token list into each one
-769        of them, stopping at the first for which the parsing succeeds.
-770
-771        Args:
-772            expression_types: the expression type(s) to try and parse the token list into.
-773            raw_tokens: the list of tokens.
-774            sql: the original SQL string, used to produce helpful debug messages.
-775
-776        Returns:
-777            The target Expression.
-778        """
-779        errors = []
-780        for expression_type in ensure_collection(expression_types):
-781            parser = self.EXPRESSION_PARSERS.get(expression_type)
-782            if not parser:
-783                raise TypeError(f"No parser registered for {expression_type}")
-784            try:
-785                return self._parse(parser, raw_tokens, sql)
-786            except ParseError as e:
-787                e.errors[0]["into_expression"] = expression_type
-788                errors.append(e)
-789        raise ParseError(
-790            f"Failed to parse into {expression_types}",
-791            errors=merge_errors(errors),
-792        ) from errors[-1]
+            
    772    def parse_into(
+773        self,
+774        expression_types: exp.IntoType,
+775        raw_tokens: t.List[Token],
+776        sql: t.Optional[str] = None,
+777    ) -> t.List[t.Optional[exp.Expression]]:
+778        """
+779        Parses a list of tokens into a given Expression type. If a collection of Expression
+780        types is given instead, this method will try to parse the token list into each one
+781        of them, stopping at the first for which the parsing succeeds.
+782
+783        Args:
+784            expression_types: the expression type(s) to try and parse the token list into.
+785            raw_tokens: the list of tokens.
+786            sql: the original SQL string, used to produce helpful debug messages.
+787
+788        Returns:
+789            The target Expression.
+790        """
+791        errors = []
+792        for expression_type in ensure_collection(expression_types):
+793            parser = self.EXPRESSION_PARSERS.get(expression_type)
+794            if not parser:
+795                raise TypeError(f"No parser registered for {expression_type}")
+796            try:
+797                return self._parse(parser, raw_tokens, sql)
+798            except ParseError as e:
+799                e.errors[0]["into_expression"] = expression_type
+800                errors.append(e)
+801        raise ParseError(
+802            f"Failed to parse into {expression_types}",
+803            errors=merge_errors(errors),
+804        ) from errors[-1]
 
    
 
 
@@ -8068,18 +8150,18 @@ of them, stopping at the first for which the parsing succeeds.
    - 
    828    def check_errors(self) -> None:
-829        """
-830        Logs or raises any found errors, depending on the chosen error level setting.
-831        """
-832        if self.error_level == ErrorLevel.WARN:
-833            for error in self.errors:
-834                logger.error(str(error))
-835        elif self.error_level == ErrorLevel.RAISE and self.errors:
-836            raise ParseError(
-837                concat_messages(self.errors, self.max_errors),
-838                errors=merge_errors(self.errors),
-839            )
+            
    840    def check_errors(self) -> None:
+841        """
+842        Logs or raises any found errors, depending on the chosen error level setting.
+843        """
+844        if self.error_level == ErrorLevel.WARN:
+845            for error in self.errors:
+846                logger.error(str(error))
+847        elif self.error_level == ErrorLevel.RAISE and self.errors:
+848            raise ParseError(
+849                concat_messages(self.errors, self.max_errors),
+850                errors=merge_errors(self.errors),
+851            )
 
    
 
 
@@ -8099,33 +8181,33 @@ of them, stopping at the first for which the parsing succeeds.
    - 
    841    def raise_error(self, message: str, token: t.Optional[Token] = None) -> None:
-842        """
-843        Appends an error in the list of recorded errors or raises it, depending on the chosen
-844        error level setting.
-845        """
-846        token = token or self._curr or self._prev or Token.string("")
-847        start = self._find_token(token)
-848        end = start + len(token.text)
-849        start_context = self.sql[max(start - self.error_message_context, 0) : start]
-850        highlight = self.sql[start:end]
-851        end_context = self.sql[end : end + self.error_message_context]
-852
-853        error = ParseError.new(
-854            f"{message}. Line {token.line}, Col: {token.col}.\n"
-855            f"  {start_context}\033[4m{highlight}\033[0m{end_context}",
-856            description=message,
-857            line=token.line,
-858            col=token.col,
-859            start_context=start_context,
-860            highlight=highlight,
-861            end_context=end_context,
-862        )
-863
-864        if self.error_level == ErrorLevel.IMMEDIATE:
-865            raise error
-866
-867        self.errors.append(error)
+            
    853    def raise_error(self, message: str, token: t.Optional[Token] = None) -> None:
+854        """
+855        Appends an error in the list of recorded errors or raises it, depending on the chosen
+856        error level setting.
+857        """
+858        token = token or self._curr or self._prev or Token.string("")
+859        start = self._find_token(token)
+860        end = start + len(token.text)
+861        start_context = self.sql[max(start - self.error_message_context, 0) : start]
+862        highlight = self.sql[start:end]
+863        end_context = self.sql[end : end + self.error_message_context]
+864
+865        error = ParseError.new(
+866            f"{message}. Line {token.line}, Col: {token.col}.\n"
+867            f"  {start_context}\033[4m{highlight}\033[0m{end_context}",
+868            description=message,
+869            line=token.line,
+870            col=token.col,
+871            start_context=start_context,
+872            highlight=highlight,
+873            end_context=end_context,
+874        )
+875
+876        if self.error_level == ErrorLevel.IMMEDIATE:
+877            raise error
+878
+879        self.errors.append(error)
 
    
 
 
@@ -8146,28 +8228,28 @@ error level setting.
    - 
    869    def expression(
-870        self, exp_class: t.Type[exp.Expression], comments: t.Optional[t.List[str]] = None, **kwargs
-871    ) -> exp.Expression:
-872        """
-873        Creates a new, validated Expression.
-874
-875        Args:
-876            exp_class: the expression class to instantiate.
-877            comments: an optional list of comments to attach to the expression.
-878            kwargs: the arguments to set for the expression along with their respective values.
-879
-880        Returns:
-881            The target expression.
-882        """
-883        instance = exp_class(**kwargs)
-884        if self._prev_comments:
-885            instance.comments = self._prev_comments
-886            self._prev_comments = None
-887        if comments:
-888            instance.comments = comments
-889        self.validate_expression(instance)
-890        return instance
+            
    881    def expression(
+882        self, exp_class: t.Type[exp.Expression], comments: t.Optional[t.List[str]] = None, **kwargs
+883    ) -> exp.Expression:
+884        """
+885        Creates a new, validated Expression.
+886
+887        Args:
+888            exp_class: the expression class to instantiate.
+889            comments: an optional list of comments to attach to the expression.
+890            kwargs: the arguments to set for the expression along with their respective values.
+891
+892        Returns:
+893            The target expression.
+894        """
+895        instance = exp_class(**kwargs)
+896        if self._prev_comments:
+897            instance.comments = self._prev_comments
+898            self._prev_comments = None
+899        if comments:
+900            instance.comments = comments
+901        self.validate_expression(instance)
+902        return instance
 
    
 
 
@@ -8201,22 +8283,22 @@ error level setting.
    - 
    892    def validate_expression(
-893        self, expression: exp.Expression, args: t.Optional[t.List] = None
-894    ) -> None:
-895        """
-896        Validates an already instantiated expression, making sure that all its mandatory arguments
-897        are set.
-898
-899        Args:
-900            expression: the expression to validate.
-901            args: an optional list of items that was used to instantiate the expression, if it's a Func.
-902        """
-903        if self.error_level == ErrorLevel.IGNORE:
-904            return
-905
-906        for error_message in expression.error_messages(args):
-907            self.raise_error(error_message)
+            
    904    def validate_expression(
+905        self, expression: exp.Expression, args: t.Optional[t.List] = None
+906    ) -> None:
+907        """
+908        Validates an already instantiated expression, making sure that all its mandatory arguments
+909        are set.
+910
+911        Args:
+912            expression: the expression to validate.
+913            args: an optional list of items that was used to instantiate the expression, if it's a Func.
+914        """
+915        if self.error_level == ErrorLevel.IGNORE:
+916            return
+917
+918        for error_message in expression.error_messages(args):
+919            self.raise_error(error_message)
 
    
 
 
diff --git a/docs/sqlglot/tokens.html b/docs/sqlglot/tokens.html
index 101b3bc..6427485 100644
--- a/docs/sqlglot/tokens.html
+++ b/docs/sqlglot/tokens.html
@@ -180,6 +180,9 @@
                         
  • 
                                 IDENTIFIER
                         
    • 
+                        
  • 
+                                DATABASE
+                        
    • 
                         
  • 
                                 COLUMN
                         
    • 
@@ -597,6 +600,9 @@
                         
  • 
                                 JOIN
                         
    • 
+                        
  • 
+                                JOIN_MARKER
+                        
    • 
                         
  • 
                                 LANGUAGE
                         
    • 
@@ -693,6 +699,9 @@
                         
  • 
                                 OVER
                         
    • 
+                        
  • 
+                                OVERLAPS
+                        
    • 
                         
  • 
                                 OVERWRITE
                         
    • 
@@ -1006,643 +1015,643 @@
       60    STRING = auto()
   61    NUMBER = auto()
   62    IDENTIFIER = auto()
-  63    COLUMN = auto()
-  64    COLUMN_DEF = auto()
-  65    SCHEMA = auto()
-  66    TABLE = auto()
-  67    VAR = auto()
-  68    BIT_STRING = auto()
-  69    HEX_STRING = auto()
-  70    BYTE_STRING = auto()
-  71
-  72    # types
-  73    BOOLEAN = auto()
-  74    TINYINT = auto()
-  75    SMALLINT = auto()
-  76    INT = auto()
-  77    BIGINT = auto()
-  78    FLOAT = auto()
-  79    DOUBLE = auto()
-  80    DECIMAL = auto()
-  81    CHAR = auto()
-  82    NCHAR = auto()
-  83    VARCHAR = auto()
-  84    NVARCHAR = auto()
-  85    TEXT = auto()
-  86    MEDIUMTEXT = auto()
-  87    LONGTEXT = auto()
-  88    MEDIUMBLOB = auto()
-  89    LONGBLOB = auto()
-  90    BINARY = auto()
-  91    VARBINARY = auto()
-  92    JSON = auto()
-  93    JSONB = auto()
-  94    TIME = auto()
-  95    TIMESTAMP = auto()
-  96    TIMESTAMPTZ = auto()
-  97    TIMESTAMPLTZ = auto()
-  98    DATETIME = auto()
-  99    DATE = auto()
- 100    UUID = auto()
- 101    GEOGRAPHY = auto()
- 102    NULLABLE = auto()
- 103    GEOMETRY = auto()
- 104    HLLSKETCH = auto()
- 105    HSTORE = auto()
- 106    SUPER = auto()
- 107    SERIAL = auto()
- 108    SMALLSERIAL = auto()
- 109    BIGSERIAL = auto()
- 110    XML = auto()
- 111    UNIQUEIDENTIFIER = auto()
- 112    MONEY = auto()
- 113    SMALLMONEY = auto()
- 114    ROWVERSION = auto()
- 115    IMAGE = auto()
- 116    VARIANT = auto()
- 117    OBJECT = auto()
- 118    INET = auto()
- 119
- 120    # keywords
- 121    ALIAS = auto()
- 122    ALTER = auto()
- 123    ALWAYS = auto()
- 124    ALL = auto()
- 125    ANTI = auto()
- 126    ANY = auto()
- 127    APPLY = auto()
- 128    ARRAY = auto()
- 129    ASC = auto()
- 130    ASOF = auto()
- 131    AT_TIME_ZONE = auto()
- 132    AUTO_INCREMENT = auto()
- 133    BEGIN = auto()
- 134    BETWEEN = auto()
- 135    BOTH = auto()
- 136    BUCKET = auto()
- 137    BY_DEFAULT = auto()
- 138    CACHE = auto()
- 139    CASCADE = auto()
- 140    CASE = auto()
- 141    CHARACTER_SET = auto()
- 142    CLUSTER_BY = auto()
- 143    COLLATE = auto()
- 144    COMMAND = auto()
- 145    COMMENT = auto()
- 146    COMMIT = auto()
- 147    COMPOUND = auto()
- 148    CONSTRAINT = auto()
- 149    CREATE = auto()
- 150    CROSS = auto()
- 151    CUBE = auto()
- 152    CURRENT_DATE = auto()
- 153    CURRENT_DATETIME = auto()
- 154    CURRENT_ROW = auto()
- 155    CURRENT_TIME = auto()
- 156    CURRENT_TIMESTAMP = auto()
- 157    DEFAULT = auto()
- 158    DELETE = auto()
- 159    DESC = auto()
- 160    DESCRIBE = auto()
- 161    DISTINCT = auto()
- 162    DISTINCT_FROM = auto()
- 163    DISTRIBUTE_BY = auto()
- 164    DIV = auto()
- 165    DROP = auto()
- 166    ELSE = auto()
- 167    END = auto()
- 168    ESCAPE = auto()
- 169    EXCEPT = auto()
- 170    EXECUTE = auto()
- 171    EXISTS = auto()
- 172    FALSE = auto()
- 173    FETCH = auto()
- 174    FILTER = auto()
- 175    FINAL = auto()
- 176    FIRST = auto()
- 177    FOLLOWING = auto()
- 178    FOR = auto()
- 179    FOREIGN_KEY = auto()
- 180    FORMAT = auto()
- 181    FROM = auto()
- 182    FULL = auto()
- 183    FUNCTION = auto()
- 184    GLOB = auto()
- 185    GLOBAL = auto()
- 186    GROUP_BY = auto()
- 187    GROUPING_SETS = auto()
- 188    HAVING = auto()
- 189    HINT = auto()
- 190    IF = auto()
- 191    IGNORE_NULLS = auto()
- 192    ILIKE = auto()
- 193    ILIKE_ANY = auto()
- 194    IN = auto()
- 195    INDEX = auto()
- 196    INNER = auto()
- 197    INSERT = auto()
- 198    INTERSECT = auto()
- 199    INTERVAL = auto()
- 200    INTO = auto()
- 201    INTRODUCER = auto()
- 202    IRLIKE = auto()
- 203    IS = auto()
- 204    ISNULL = auto()
- 205    JOIN = auto()
- 206    LANGUAGE = auto()
- 207    LATERAL = auto()
- 208    LAZY = auto()
- 209    LEADING = auto()
- 210    LEFT = auto()
- 211    LIKE = auto()
- 212    LIKE_ANY = auto()
- 213    LIMIT = auto()
- 214    LOAD_DATA = auto()
- 215    LOCAL = auto()
- 216    MAP = auto()
- 217    MATCH_RECOGNIZE = auto()
- 218    MATERIALIZED = auto()
- 219    MERGE = auto()
- 220    MOD = auto()
- 221    NATURAL = auto()
- 222    NEXT = auto()
- 223    NO_ACTION = auto()
- 224    NOTNULL = auto()
- 225    NULL = auto()
- 226    NULLS_FIRST = auto()
- 227    NULLS_LAST = auto()
- 228    OFFSET = auto()
- 229    ON = auto()
- 230    ONLY = auto()
- 231    OPTIONS = auto()
- 232    ORDER_BY = auto()
- 233    ORDERED = auto()
- 234    ORDINALITY = auto()
- 235    OUTER = auto()
- 236    OUT_OF = auto()
- 237    OVER = auto()
- 238    OVERWRITE = auto()
- 239    PARTITION = auto()
- 240    PARTITION_BY = auto()
- 241    PERCENT = auto()
- 242    PIVOT = auto()
- 243    PLACEHOLDER = auto()
- 244    PRECEDING = auto()
- 245    PRIMARY_KEY = auto()
- 246    PROCEDURE = auto()
- 247    PROPERTIES = auto()
- 248    PSEUDO_TYPE = auto()
- 249    QUALIFY = auto()
- 250    QUOTE = auto()
- 251    RANGE = auto()
- 252    RECURSIVE = auto()
- 253    REPLACE = auto()
- 254    RESPECT_NULLS = auto()
- 255    RETURNING = auto()
- 256    REFERENCES = auto()
- 257    RIGHT = auto()
- 258    RLIKE = auto()
- 259    ROLLBACK = auto()
- 260    ROLLUP = auto()
- 261    ROW = auto()
- 262    ROWS = auto()
- 263    SEED = auto()
- 264    SELECT = auto()
- 265    SEMI = auto()
- 266    SEPARATOR = auto()
- 267    SERDE_PROPERTIES = auto()
- 268    SET = auto()
- 269    SHOW = auto()
- 270    SIMILAR_TO = auto()
- 271    SOME = auto()
- 272    SORTKEY = auto()
- 273    SORT_BY = auto()
- 274    STRUCT = auto()
- 275    TABLE_SAMPLE = auto()
- 276    TEMPORARY = auto()
- 277    TOP = auto()
- 278    THEN = auto()
- 279    TRAILING = auto()
- 280    TRUE = auto()
- 281    UNBOUNDED = auto()
- 282    UNCACHE = auto()
- 283    UNION = auto()
- 284    UNLOGGED = auto()
- 285    UNNEST = auto()
- 286    UNPIVOT = auto()
- 287    UPDATE = auto()
- 288    USE = auto()
- 289    USING = auto()
- 290    VALUES = auto()
- 291    VIEW = auto()
- 292    VOLATILE = auto()
- 293    WHEN = auto()
- 294    WHERE = auto()
- 295    WINDOW = auto()
- 296    WITH = auto()
- 297    WITH_TIME_ZONE = auto()
- 298    WITH_LOCAL_TIME_ZONE = auto()
- 299    WITHIN_GROUP = auto()
- 300    WITHOUT_TIME_ZONE = auto()
- 301    UNIQUE = auto()
- 302
- 303
- 304class Token:
- 305    __slots__ = ("token_type", "text", "line", "col", "comments")
+  63    DATABASE = auto()
+  64    COLUMN = auto()
+  65    COLUMN_DEF = auto()
+  66    SCHEMA = auto()
+  67    TABLE = auto()
+  68    VAR = auto()
+  69    BIT_STRING = auto()
+  70    HEX_STRING = auto()
+  71    BYTE_STRING = auto()
+  72
+  73    # types
+  74    BOOLEAN = auto()
+  75    TINYINT = auto()
+  76    SMALLINT = auto()
+  77    INT = auto()
+  78    BIGINT = auto()
+  79    FLOAT = auto()
+  80    DOUBLE = auto()
+  81    DECIMAL = auto()
+  82    CHAR = auto()
+  83    NCHAR = auto()
+  84    VARCHAR = auto()
+  85    NVARCHAR = auto()
+  86    TEXT = auto()
+  87    MEDIUMTEXT = auto()
+  88    LONGTEXT = auto()
+  89    MEDIUMBLOB = auto()
+  90    LONGBLOB = auto()
+  91    BINARY = auto()
+  92    VARBINARY = auto()
+  93    JSON = auto()
+  94    JSONB = auto()
+  95    TIME = auto()
+  96    TIMESTAMP = auto()
+  97    TIMESTAMPTZ = auto()
+  98    TIMESTAMPLTZ = auto()
+  99    DATETIME = auto()
+ 100    DATE = auto()
+ 101    UUID = auto()
+ 102    GEOGRAPHY = auto()
+ 103    NULLABLE = auto()
+ 104    GEOMETRY = auto()
+ 105    HLLSKETCH = auto()
+ 106    HSTORE = auto()
+ 107    SUPER = auto()
+ 108    SERIAL = auto()
+ 109    SMALLSERIAL = auto()
+ 110    BIGSERIAL = auto()
+ 111    XML = auto()
+ 112    UNIQUEIDENTIFIER = auto()
+ 113    MONEY = auto()
+ 114    SMALLMONEY = auto()
+ 115    ROWVERSION = auto()
+ 116    IMAGE = auto()
+ 117    VARIANT = auto()
+ 118    OBJECT = auto()
+ 119    INET = auto()
+ 120
+ 121    # keywords
+ 122    ALIAS = auto()
+ 123    ALTER = auto()
+ 124    ALWAYS = auto()
+ 125    ALL = auto()
+ 126    ANTI = auto()
+ 127    ANY = auto()
+ 128    APPLY = auto()
+ 129    ARRAY = auto()
+ 130    ASC = auto()
+ 131    ASOF = auto()
+ 132    AT_TIME_ZONE = auto()
+ 133    AUTO_INCREMENT = auto()
+ 134    BEGIN = auto()
+ 135    BETWEEN = auto()
+ 136    BOTH = auto()
+ 137    BUCKET = auto()
+ 138    BY_DEFAULT = auto()
+ 139    CACHE = auto()
+ 140    CASCADE = auto()
+ 141    CASE = auto()
+ 142    CHARACTER_SET = auto()
+ 143    CLUSTER_BY = auto()
+ 144    COLLATE = auto()
+ 145    COMMAND = auto()
+ 146    COMMENT = auto()
+ 147    COMMIT = auto()
+ 148    COMPOUND = auto()
+ 149    CONSTRAINT = auto()
+ 150    CREATE = auto()
+ 151    CROSS = auto()
+ 152    CUBE = auto()
+ 153    CURRENT_DATE = auto()
+ 154    CURRENT_DATETIME = auto()
+ 155    CURRENT_ROW = auto()
+ 156    CURRENT_TIME = auto()
+ 157    CURRENT_TIMESTAMP = auto()
+ 158    DEFAULT = auto()
+ 159    DELETE = auto()
+ 160    DESC = auto()
+ 161    DESCRIBE = auto()
+ 162    DISTINCT = auto()
+ 163    DISTINCT_FROM = auto()
+ 164    DISTRIBUTE_BY = auto()
+ 165    DIV = auto()
+ 166    DROP = auto()
+ 167    ELSE = auto()
+ 168    END = auto()
+ 169    ESCAPE = auto()
+ 170    EXCEPT = auto()
+ 171    EXECUTE = auto()
+ 172    EXISTS = auto()
+ 173    FALSE = auto()
+ 174    FETCH = auto()
+ 175    FILTER = auto()
+ 176    FINAL = auto()
+ 177    FIRST = auto()
+ 178    FOLLOWING = auto()
+ 179    FOR = auto()
+ 180    FOREIGN_KEY = auto()
+ 181    FORMAT = auto()
+ 182    FROM = auto()
+ 183    FULL = auto()
+ 184    FUNCTION = auto()
+ 185    GLOB = auto()
+ 186    GLOBAL = auto()
+ 187    GROUP_BY = auto()
+ 188    GROUPING_SETS = auto()
+ 189    HAVING = auto()
+ 190    HINT = auto()
+ 191    IF = auto()
+ 192    IGNORE_NULLS = auto()
+ 193    ILIKE = auto()
+ 194    ILIKE_ANY = auto()
+ 195    IN = auto()
+ 196    INDEX = auto()
+ 197    INNER = auto()
+ 198    INSERT = auto()
+ 199    INTERSECT = auto()
+ 200    INTERVAL = auto()
+ 201    INTO = auto()
+ 202    INTRODUCER = auto()
+ 203    IRLIKE = auto()
+ 204    IS = auto()
+ 205    ISNULL = auto()
+ 206    JOIN = auto()
+ 207    JOIN_MARKER = auto()
+ 208    LANGUAGE = auto()
+ 209    LATERAL = auto()
+ 210    LAZY = auto()
+ 211    LEADING = auto()
+ 212    LEFT = auto()
+ 213    LIKE = auto()
+ 214    LIKE_ANY = auto()
+ 215    LIMIT = auto()
+ 216    LOAD_DATA = auto()
+ 217    LOCAL = auto()
+ 218    MAP = auto()
+ 219    MATCH_RECOGNIZE = auto()
+ 220    MATERIALIZED = auto()
+ 221    MERGE = auto()
+ 222    MOD = auto()
+ 223    NATURAL = auto()
+ 224    NEXT = auto()
+ 225    NO_ACTION = auto()
+ 226    NOTNULL = auto()
+ 227    NULL = auto()
+ 228    NULLS_FIRST = auto()
+ 229    NULLS_LAST = auto()
+ 230    OFFSET = auto()
+ 231    ON = auto()
+ 232    ONLY = auto()
+ 233    OPTIONS = auto()
+ 234    ORDER_BY = auto()
+ 235    ORDERED = auto()
+ 236    ORDINALITY = auto()
+ 237    OUTER = auto()
+ 238    OUT_OF = auto()
+ 239    OVER = auto()
+ 240    OVERLAPS = auto()
+ 241    OVERWRITE = auto()
+ 242    PARTITION = auto()
+ 243    PARTITION_BY = auto()
+ 244    PERCENT = auto()
+ 245    PIVOT = auto()
+ 246    PLACEHOLDER = auto()
+ 247    PRECEDING = auto()
+ 248    PRIMARY_KEY = auto()
+ 249    PROCEDURE = auto()
+ 250    PROPERTIES = auto()
+ 251    PSEUDO_TYPE = auto()
+ 252    QUALIFY = auto()
+ 253    QUOTE = auto()
+ 254    RANGE = auto()
+ 255    RECURSIVE = auto()
+ 256    REPLACE = auto()
+ 257    RESPECT_NULLS = auto()
+ 258    RETURNING = auto()
+ 259    REFERENCES = auto()
+ 260    RIGHT = auto()
+ 261    RLIKE = auto()
+ 262    ROLLBACK = auto()
+ 263    ROLLUP = auto()
+ 264    ROW = auto()
+ 265    ROWS = auto()
+ 266    SEED = auto()
+ 267    SELECT = auto()
+ 268    SEMI = auto()
+ 269    SEPARATOR = auto()
+ 270    SERDE_PROPERTIES = auto()
+ 271    SET = auto()
+ 272    SHOW = auto()
+ 273    SIMILAR_TO = auto()
+ 274    SOME = auto()
+ 275    SORTKEY = auto()
+ 276    SORT_BY = auto()
+ 277    STRUCT = auto()
+ 278    TABLE_SAMPLE = auto()
+ 279    TEMPORARY = auto()
+ 280    TOP = auto()
+ 281    THEN = auto()
+ 282    TRAILING = auto()
+ 283    TRUE = auto()
+ 284    UNBOUNDED = auto()
+ 285    UNCACHE = auto()
+ 286    UNION = auto()
+ 287    UNLOGGED = auto()
+ 288    UNNEST = auto()
+ 289    UNPIVOT = auto()
+ 290    UPDATE = auto()
+ 291    USE = auto()
+ 292    USING = auto()
+ 293    VALUES = auto()
+ 294    VIEW = auto()
+ 295    VOLATILE = auto()
+ 296    WHEN = auto()
+ 297    WHERE = auto()
+ 298    WINDOW = auto()
+ 299    WITH = auto()
+ 300    WITH_TIME_ZONE = auto()
+ 301    WITH_LOCAL_TIME_ZONE = auto()
+ 302    WITHIN_GROUP = auto()
+ 303    WITHOUT_TIME_ZONE = auto()
+ 304    UNIQUE = auto()
+ 305
  306
- 307    @classmethod
- 308    def number(cls, number: int) -> Token:
- 309        """Returns a NUMBER token with `number` as its text."""
- 310        return cls(TokenType.NUMBER, str(number))
- 311
- 312    @classmethod
- 313    def string(cls, string: str) -> Token:
- 314        """Returns a STRING token with `string` as its text."""
- 315        return cls(TokenType.STRING, string)
- 316
- 317    @classmethod
- 318    def identifier(cls, identifier: str) -> Token:
- 319        """Returns an IDENTIFIER token with `identifier` as its text."""
- 320        return cls(TokenType.IDENTIFIER, identifier)
- 321
- 322    @classmethod
- 323    def var(cls, var: str) -> Token:
- 324        """Returns an VAR token with `var` as its text."""
- 325        return cls(TokenType.VAR, var)
- 326
- 327    def __init__(
- 328        self,
- 329        token_type: TokenType,
- 330        text: str,
- 331        line: int = 1,
- 332        col: int = 1,
- 333        comments: t.List[str] = [],
- 334    ) -> None:
- 335        self.token_type = token_type
- 336        self.text = text
- 337        self.line = line
- 338        self.col = max(col - len(text), 1)
- 339        self.comments = comments
- 340
- 341    def __repr__(self) -> str:
- 342        attributes = ", ".join(f"{k}: {getattr(self, k)}" for k in self.__slots__)
- 343        return f"<Token {attributes}>"
- 344
- 345
- 346class _Tokenizer(type):
- 347    def __new__(cls, clsname, bases, attrs):  # type: ignore
- 348        klass = super().__new__(cls, clsname, bases, attrs)
- 349
- 350        klass._QUOTES = {
- 351            f"{prefix}{s}": e
- 352            for s, e in cls._delimeter_list_to_dict(klass.QUOTES).items()
- 353            for prefix in (("",) if s[0].isalpha() else ("", "n", "N"))
- 354        }
- 355        klass._BIT_STRINGS = cls._delimeter_list_to_dict(klass.BIT_STRINGS)
- 356        klass._HEX_STRINGS = cls._delimeter_list_to_dict(klass.HEX_STRINGS)
- 357        klass._BYTE_STRINGS = cls._delimeter_list_to_dict(klass.BYTE_STRINGS)
- 358        klass._IDENTIFIERS = cls._delimeter_list_to_dict(klass.IDENTIFIERS)
- 359        klass._STRING_ESCAPES = set(klass.STRING_ESCAPES)
- 360        klass._IDENTIFIER_ESCAPES = set(klass.IDENTIFIER_ESCAPES)
- 361        klass._COMMENTS = dict(
- 362            (comment, None) if isinstance(comment, str) else (comment[0], comment[1])
- 363            for comment in klass.COMMENTS
- 364        )
- 365
- 366        klass.KEYWORD_TRIE = new_trie(
- 367            key.upper()
- 368            for key in {
- 369                **klass.KEYWORDS,
- 370                **{comment: TokenType.COMMENT for comment in klass._COMMENTS},
- 371                **{quote: TokenType.QUOTE for quote in klass._QUOTES},
- 372                **{bit_string: TokenType.BIT_STRING for bit_string in klass._BIT_STRINGS},
- 373                **{hex_string: TokenType.HEX_STRING for hex_string in klass._HEX_STRINGS},
- 374                **{byte_string: TokenType.BYTE_STRING for byte_string in klass._BYTE_STRINGS},
- 375            }
- 376            if " " in key or any(single in key for single in klass.SINGLE_TOKENS)
- 377        )
- 378
- 379        return klass
- 380
- 381    @staticmethod
- 382    def _delimeter_list_to_dict(list: t.List[str | t.Tuple[str, str]]) -> t.Dict[str, str]:
- 383        return dict((item, item) if isinstance(item, str) else (item[0], item[1]) for item in list)
- 384
- 385
- 386class Tokenizer(metaclass=_Tokenizer):
- 387    SINGLE_TOKENS = {
- 388        "(": TokenType.L_PAREN,
- 389        ")": TokenType.R_PAREN,
- 390        "[": TokenType.L_BRACKET,
- 391        "]": TokenType.R_BRACKET,
- 392        "{": TokenType.L_BRACE,
- 393        "}": TokenType.R_BRACE,
- 394        "&": TokenType.AMP,
- 395        "^": TokenType.CARET,
- 396        ":": TokenType.COLON,
- 397        ",": TokenType.COMMA,
- 398        ".": TokenType.DOT,
- 399        "-": TokenType.DASH,
- 400        "=": TokenType.EQ,
- 401        ">": TokenType.GT,
- 402        "<": TokenType.LT,
- 403        "%": TokenType.MOD,
- 404        "!": TokenType.NOT,
- 405        "|": TokenType.PIPE,
- 406        "+": TokenType.PLUS,
- 407        ";": TokenType.SEMICOLON,
- 408        "/": TokenType.SLASH,
- 409        "\\": TokenType.BACKSLASH,
- 410        "*": TokenType.STAR,
- 411        "~": TokenType.TILDA,
- 412        "?": TokenType.PLACEHOLDER,
- 413        "@": TokenType.PARAMETER,
- 414        # used for breaking a var like x'y' but nothing else
- 415        # the token type doesn't matter
- 416        "'": TokenType.QUOTE,
- 417        "`": TokenType.IDENTIFIER,
- 418        '"': TokenType.IDENTIFIER,
- 419        "#": TokenType.HASH,
- 420    }
- 421
- 422    QUOTES: t.List[t.Tuple[str, str] | str] = ["'"]
- 423
- 424    BIT_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 425
- 426    HEX_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 427
- 428    BYTE_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 429
- 430    IDENTIFIERS: t.List[str | t.Tuple[str, str]] = ['"']
- 431
- 432    STRING_ESCAPES = ["'"]
- 433
- 434    _STRING_ESCAPES: t.Set[str] = set()
- 435
- 436    IDENTIFIER_ESCAPES = ['"']
- 437
- 438    _IDENTIFIER_ESCAPES: t.Set[str] = set()
- 439
- 440    KEYWORDS = {
- 441        **{
- 442            f"{key}{postfix}": TokenType.BLOCK_START
- 443            for key in ("{%", "{#")
- 444            for postfix in ("", "+", "-")
- 445        },
- 446        **{
- 447            f"{prefix}{key}": TokenType.BLOCK_END
- 448            for key in ("%}", "#}")
- 449            for prefix in ("", "+", "-")
- 450        },
- 451        "{{+": TokenType.BLOCK_START,
- 452        "{{-": TokenType.BLOCK_START,
- 453        "+}}": TokenType.BLOCK_END,
- 454        "-}}": TokenType.BLOCK_END,
- 455        "/*+": TokenType.HINT,
- 456        "==": TokenType.EQ,
- 457        "::": TokenType.DCOLON,
- 458        "||": TokenType.DPIPE,
- 459        ">=": TokenType.GTE,
- 460        "<=": TokenType.LTE,
- 461        "<>": TokenType.NEQ,
- 462        "!=": TokenType.NEQ,
- 463        "<=>": TokenType.NULLSAFE_EQ,
- 464        "->": TokenType.ARROW,
- 465        "->>": TokenType.DARROW,
- 466        "=>": TokenType.FARROW,
- 467        "#>": TokenType.HASH_ARROW,
- 468        "#>>": TokenType.DHASH_ARROW,
- 469        "<->": TokenType.LR_ARROW,
- 470        "ALL": TokenType.ALL,
- 471        "ALWAYS": TokenType.ALWAYS,
- 472        "AND": TokenType.AND,
- 473        "ANTI": TokenType.ANTI,
- 474        "ANY": TokenType.ANY,
- 475        "ASC": TokenType.ASC,
- 476        "AS": TokenType.ALIAS,
- 477        "AT TIME ZONE": TokenType.AT_TIME_ZONE,
- 478        "AUTOINCREMENT": TokenType.AUTO_INCREMENT,
- 479        "AUTO_INCREMENT": TokenType.AUTO_INCREMENT,
- 480        "BEGIN": TokenType.BEGIN,
- 481        "BETWEEN": TokenType.BETWEEN,
- 482        "BOTH": TokenType.BOTH,
- 483        "BUCKET": TokenType.BUCKET,
- 484        "BY DEFAULT": TokenType.BY_DEFAULT,
- 485        "CACHE": TokenType.CACHE,
- 486        "UNCACHE": TokenType.UNCACHE,
- 487        "CASE": TokenType.CASE,
- 488        "CASCADE": TokenType.CASCADE,
- 489        "CHARACTER SET": TokenType.CHARACTER_SET,
- 490        "CLUSTER BY": TokenType.CLUSTER_BY,
- 491        "COLLATE": TokenType.COLLATE,
- 492        "COLUMN": TokenType.COLUMN,
- 493        "COMMIT": TokenType.COMMIT,
- 494        "COMPOUND": TokenType.COMPOUND,
- 495        "CONSTRAINT": TokenType.CONSTRAINT,
- 496        "CREATE": TokenType.CREATE,
- 497        "CROSS": TokenType.CROSS,
- 498        "CUBE": TokenType.CUBE,
- 499        "CURRENT_DATE": TokenType.CURRENT_DATE,
- 500        "CURRENT ROW": TokenType.CURRENT_ROW,
- 501        "CURRENT_TIMESTAMP": TokenType.CURRENT_TIMESTAMP,
- 502        "DEFAULT": TokenType.DEFAULT,
- 503        "DELETE": TokenType.DELETE,
- 504        "DESC": TokenType.DESC,
- 505        "DESCRIBE": TokenType.DESCRIBE,
- 506        "DISTINCT": TokenType.DISTINCT,
- 507        "DISTINCT FROM": TokenType.DISTINCT_FROM,
- 508        "DISTRIBUTE BY": TokenType.DISTRIBUTE_BY,
- 509        "DIV": TokenType.DIV,
- 510        "DROP": TokenType.DROP,
- 511        "ELSE": TokenType.ELSE,
- 512        "END": TokenType.END,
- 513        "ESCAPE": TokenType.ESCAPE,
- 514        "EXCEPT": TokenType.EXCEPT,
- 515        "EXECUTE": TokenType.EXECUTE,
- 516        "EXISTS": TokenType.EXISTS,
- 517        "FALSE": TokenType.FALSE,
- 518        "FETCH": TokenType.FETCH,
- 519        "FILTER": TokenType.FILTER,
- 520        "FIRST": TokenType.FIRST,
- 521        "FULL": TokenType.FULL,
- 522        "FUNCTION": TokenType.FUNCTION,
- 523        "FOLLOWING": TokenType.FOLLOWING,
- 524        "FOR": TokenType.FOR,
- 525        "FOREIGN KEY": TokenType.FOREIGN_KEY,
- 526        "FORMAT": TokenType.FORMAT,
- 527        "FROM": TokenType.FROM,
- 528        "GLOB": TokenType.GLOB,
- 529        "GROUP BY": TokenType.GROUP_BY,
- 530        "GROUPING SETS": TokenType.GROUPING_SETS,
- 531        "HAVING": TokenType.HAVING,
- 532        "IF": TokenType.IF,
- 533        "ILIKE": TokenType.ILIKE,
- 534        "IGNORE NULLS": TokenType.IGNORE_NULLS,
- 535        "IN": TokenType.IN,
- 536        "INDEX": TokenType.INDEX,
- 537        "INET": TokenType.INET,
- 538        "INNER": TokenType.INNER,
- 539        "INSERT": TokenType.INSERT,
- 540        "INTERVAL": TokenType.INTERVAL,
- 541        "INTERSECT": TokenType.INTERSECT,
- 542        "INTO": TokenType.INTO,
- 543        "IS": TokenType.IS,
- 544        "ISNULL": TokenType.ISNULL,
- 545        "JOIN": TokenType.JOIN,
- 546        "LATERAL": TokenType.LATERAL,
- 547        "LAZY": TokenType.LAZY,
- 548        "LEADING": TokenType.LEADING,
- 549        "LEFT": TokenType.LEFT,
- 550        "LIKE": TokenType.LIKE,
- 551        "LIMIT": TokenType.LIMIT,
- 552        "LOAD DATA": TokenType.LOAD_DATA,
- 553        "LOCAL": TokenType.LOCAL,
- 554        "MATERIALIZED": TokenType.MATERIALIZED,
- 555        "MERGE": TokenType.MERGE,
- 556        "NATURAL": TokenType.NATURAL,
- 557        "NEXT": TokenType.NEXT,
- 558        "NO ACTION": TokenType.NO_ACTION,
- 559        "NOT": TokenType.NOT,
- 560        "NOTNULL": TokenType.NOTNULL,
- 561        "NULL": TokenType.NULL,
- 562        "NULLS FIRST": TokenType.NULLS_FIRST,
- 563        "NULLS LAST": TokenType.NULLS_LAST,
- 564        "OBJECT": TokenType.OBJECT,
- 565        "OFFSET": TokenType.OFFSET,
- 566        "ON": TokenType.ON,
- 567        "ONLY": TokenType.ONLY,
- 568        "OPTIONS": TokenType.OPTIONS,
- 569        "OR": TokenType.OR,
- 570        "ORDER BY": TokenType.ORDER_BY,
- 571        "ORDINALITY": TokenType.ORDINALITY,
- 572        "OUTER": TokenType.OUTER,
- 573        "OUT OF": TokenType.OUT_OF,
- 574        "OVER": TokenType.OVER,
- 575        "OVERWRITE": TokenType.OVERWRITE,
- 576        "PARTITION": TokenType.PARTITION,
- 577        "PARTITION BY": TokenType.PARTITION_BY,
- 578        "PARTITIONED BY": TokenType.PARTITION_BY,
- 579        "PARTITIONED_BY": TokenType.PARTITION_BY,
- 580        "PERCENT": TokenType.PERCENT,
- 581        "PIVOT": TokenType.PIVOT,
- 582        "PRECEDING": TokenType.PRECEDING,
- 583        "PRIMARY KEY": TokenType.PRIMARY_KEY,
- 584        "PROCEDURE": TokenType.PROCEDURE,
- 585        "QUALIFY": TokenType.QUALIFY,
- 586        "RANGE": TokenType.RANGE,
- 587        "RECURSIVE": TokenType.RECURSIVE,
- 588        "REGEXP": TokenType.RLIKE,
- 589        "REPLACE": TokenType.REPLACE,
- 590        "RESPECT NULLS": TokenType.RESPECT_NULLS,
- 591        "REFERENCES": TokenType.REFERENCES,
- 592        "RIGHT": TokenType.RIGHT,
- 593        "RLIKE": TokenType.RLIKE,
- 594        "ROLLBACK": TokenType.ROLLBACK,
- 595        "ROLLUP": TokenType.ROLLUP,
- 596        "ROW": TokenType.ROW,
- 597        "ROWS": TokenType.ROWS,
- 598        "SCHEMA": TokenType.SCHEMA,
- 599        "SEED": TokenType.SEED,
- 600        "SELECT": TokenType.SELECT,
- 601        "SEMI": TokenType.SEMI,
- 602        "SET": TokenType.SET,
- 603        "SHOW": TokenType.SHOW,
- 604        "SIMILAR TO": TokenType.SIMILAR_TO,
- 605        "SOME": TokenType.SOME,
- 606        "SORTKEY": TokenType.SORTKEY,
- 607        "SORT BY": TokenType.SORT_BY,
- 608        "TABLE": TokenType.TABLE,
- 609        "TABLESAMPLE": TokenType.TABLE_SAMPLE,
- 610        "TEMP": TokenType.TEMPORARY,
- 611        "TEMPORARY": TokenType.TEMPORARY,
- 612        "THEN": TokenType.THEN,
- 613        "TRUE": TokenType.TRUE,
- 614        "TRAILING": TokenType.TRAILING,
- 615        "UNBOUNDED": TokenType.UNBOUNDED,
- 616        "UNION": TokenType.UNION,
- 617        "UNLOGGED": TokenType.UNLOGGED,
- 618        "UNNEST": TokenType.UNNEST,
- 619        "UNPIVOT": TokenType.UNPIVOT,
- 620        "UPDATE": TokenType.UPDATE,
- 621        "USE": TokenType.USE,
- 622        "USING": TokenType.USING,
- 623        "VALUES": TokenType.VALUES,
- 624        "VIEW": TokenType.VIEW,
- 625        "VOLATILE": TokenType.VOLATILE,
- 626        "WHEN": TokenType.WHEN,
- 627        "WHERE": TokenType.WHERE,
- 628        "WINDOW": TokenType.WINDOW,
- 629        "WITH": TokenType.WITH,
- 630        "WITH TIME ZONE": TokenType.WITH_TIME_ZONE,
- 631        "WITH LOCAL TIME ZONE": TokenType.WITH_LOCAL_TIME_ZONE,
- 632        "WITHIN GROUP": TokenType.WITHIN_GROUP,
- 633        "WITHOUT TIME ZONE": TokenType.WITHOUT_TIME_ZONE,
- 634        "APPLY": TokenType.APPLY,
- 635        "ARRAY": TokenType.ARRAY,
- 636        "BOOL": TokenType.BOOLEAN,
- 637        "BOOLEAN": TokenType.BOOLEAN,
- 638        "BYTE": TokenType.TINYINT,
- 639        "TINYINT": TokenType.TINYINT,
- 640        "SHORT": TokenType.SMALLINT,
- 641        "SMALLINT": TokenType.SMALLINT,
- 642        "INT2": TokenType.SMALLINT,
- 643        "INTEGER": TokenType.INT,
- 644        "INT": TokenType.INT,
- 645        "INT4": TokenType.INT,
- 646        "LONG": TokenType.BIGINT,
- 647        "BIGINT": TokenType.BIGINT,
- 648        "INT8": TokenType.BIGINT,
- 649        "DECIMAL": TokenType.DECIMAL,
- 650        "MAP": TokenType.MAP,
- 651        "NULLABLE": TokenType.NULLABLE,
- 652        "NUMBER": TokenType.DECIMAL,
- 653        "NUMERIC": TokenType.DECIMAL,
- 654        "FIXED": TokenType.DECIMAL,
- 655        "REAL": TokenType.FLOAT,
- 656        "FLOAT": TokenType.FLOAT,
- 657        "FLOAT4": TokenType.FLOAT,
- 658        "FLOAT8": TokenType.DOUBLE,
- 659        "DOUBLE": TokenType.DOUBLE,
- 660        "DOUBLE PRECISION": TokenType.DOUBLE,
- 661        "JSON": TokenType.JSON,
- 662        "CHAR": TokenType.CHAR,
- 663        "NCHAR": TokenType.NCHAR,
- 664        "VARCHAR": TokenType.VARCHAR,
- 665        "VARCHAR2": TokenType.VARCHAR,
- 666        "NVARCHAR": TokenType.NVARCHAR,
- 667        "NVARCHAR2": TokenType.NVARCHAR,
- 668        "STR": TokenType.TEXT,
- 669        "STRING": TokenType.TEXT,
- 670        "TEXT": TokenType.TEXT,
- 671        "CLOB": TokenType.TEXT,
- 672        "LONGVARCHAR": TokenType.TEXT,
- 673        "BINARY": TokenType.BINARY,
- 674        "BLOB": TokenType.VARBINARY,
- 675        "BYTEA": TokenType.VARBINARY,
- 676        "VARBINARY": TokenType.VARBINARY,
- 677        "TIME": TokenType.TIME,
- 678        "TIMESTAMP": TokenType.TIMESTAMP,
- 679        "TIMESTAMPTZ": TokenType.TIMESTAMPTZ,
- 680        "TIMESTAMPLTZ": TokenType.TIMESTAMPLTZ,
- 681        "DATE": TokenType.DATE,
- 682        "DATETIME": TokenType.DATETIME,
- 683        "UNIQUE": TokenType.UNIQUE,
- 684        "STRUCT": TokenType.STRUCT,
- 685        "VARIANT": TokenType.VARIANT,
- 686        "ALTER": TokenType.ALTER,
- 687        "ALTER AGGREGATE": TokenType.COMMAND,
- 688        "ALTER DEFAULT": TokenType.COMMAND,
- 689        "ALTER DOMAIN": TokenType.COMMAND,
- 690        "ALTER ROLE": TokenType.COMMAND,
- 691        "ALTER RULE": TokenType.COMMAND,
- 692        "ALTER SEQUENCE": TokenType.COMMAND,
- 693        "ALTER TYPE": TokenType.COMMAND,
- 694        "ALTER USER": TokenType.COMMAND,
- 695        "ALTER VIEW": TokenType.COMMAND,
- 696        "ANALYZE": TokenType.COMMAND,
- 697        "CALL": TokenType.COMMAND,
- 698        "COPY": TokenType.COMMAND,
- 699        "EXPLAIN": TokenType.COMMAND,
+ 307class Token:
+ 308    __slots__ = ("token_type", "text", "line", "col", "comments")
+ 309
+ 310    @classmethod
+ 311    def number(cls, number: int) -> Token:
+ 312        """Returns a NUMBER token with `number` as its text."""
+ 313        return cls(TokenType.NUMBER, str(number))
+ 314
+ 315    @classmethod
+ 316    def string(cls, string: str) -> Token:
+ 317        """Returns a STRING token with `string` as its text."""
+ 318        return cls(TokenType.STRING, string)
+ 319
+ 320    @classmethod
+ 321    def identifier(cls, identifier: str) -> Token:
+ 322        """Returns an IDENTIFIER token with `identifier` as its text."""
+ 323        return cls(TokenType.IDENTIFIER, identifier)
+ 324
+ 325    @classmethod
+ 326    def var(cls, var: str) -> Token:
+ 327        """Returns an VAR token with `var` as its text."""
+ 328        return cls(TokenType.VAR, var)
+ 329
+ 330    def __init__(
+ 331        self,
+ 332        token_type: TokenType,
+ 333        text: str,
+ 334        line: int = 1,
+ 335        col: int = 1,
+ 336        comments: t.List[str] = [],
+ 337    ) -> None:
+ 338        self.token_type = token_type
+ 339        self.text = text
+ 340        self.line = line
+ 341        self.col = max(col - len(text), 1)
+ 342        self.comments = comments
+ 343
+ 344    def __repr__(self) -> str:
+ 345        attributes = ", ".join(f"{k}: {getattr(self, k)}" for k in self.__slots__)
+ 346        return f"<Token {attributes}>"
+ 347
+ 348
+ 349class _Tokenizer(type):
+ 350    def __new__(cls, clsname, bases, attrs):  # type: ignore
+ 351        klass = super().__new__(cls, clsname, bases, attrs)
+ 352
+ 353        klass._QUOTES = {
+ 354            f"{prefix}{s}": e
+ 355            for s, e in cls._delimeter_list_to_dict(klass.QUOTES).items()
+ 356            for prefix in (("",) if s[0].isalpha() else ("", "n", "N"))
+ 357        }
+ 358        klass._BIT_STRINGS = cls._delimeter_list_to_dict(klass.BIT_STRINGS)
+ 359        klass._HEX_STRINGS = cls._delimeter_list_to_dict(klass.HEX_STRINGS)
+ 360        klass._BYTE_STRINGS = cls._delimeter_list_to_dict(klass.BYTE_STRINGS)
+ 361        klass._IDENTIFIERS = cls._delimeter_list_to_dict(klass.IDENTIFIERS)
+ 362        klass._STRING_ESCAPES = set(klass.STRING_ESCAPES)
+ 363        klass._IDENTIFIER_ESCAPES = set(klass.IDENTIFIER_ESCAPES)
+ 364        klass._COMMENTS = dict(
+ 365            (comment, None) if isinstance(comment, str) else (comment[0], comment[1])
+ 366            for comment in klass.COMMENTS
+ 367        )
+ 368
+ 369        klass.KEYWORD_TRIE = new_trie(
+ 370            key.upper()
+ 371            for key in {
+ 372                **klass.KEYWORDS,
+ 373                **{comment: TokenType.COMMENT for comment in klass._COMMENTS},
+ 374                **{quote: TokenType.QUOTE for quote in klass._QUOTES},
+ 375                **{bit_string: TokenType.BIT_STRING for bit_string in klass._BIT_STRINGS},
+ 376                **{hex_string: TokenType.HEX_STRING for hex_string in klass._HEX_STRINGS},
+ 377                **{byte_string: TokenType.BYTE_STRING for byte_string in klass._BYTE_STRINGS},
+ 378            }
+ 379            if " " in key or any(single in key for single in klass.SINGLE_TOKENS)
+ 380        )
+ 381
+ 382        return klass
+ 383
+ 384    @staticmethod
+ 385    def _delimeter_list_to_dict(list: t.List[str | t.Tuple[str, str]]) -> t.Dict[str, str]:
+ 386        return dict((item, item) if isinstance(item, str) else (item[0], item[1]) for item in list)
+ 387
+ 388
+ 389class Tokenizer(metaclass=_Tokenizer):
+ 390    SINGLE_TOKENS = {
+ 391        "(": TokenType.L_PAREN,
+ 392        ")": TokenType.R_PAREN,
+ 393        "[": TokenType.L_BRACKET,
+ 394        "]": TokenType.R_BRACKET,
+ 395        "{": TokenType.L_BRACE,
+ 396        "}": TokenType.R_BRACE,
+ 397        "&": TokenType.AMP,
+ 398        "^": TokenType.CARET,
+ 399        ":": TokenType.COLON,
+ 400        ",": TokenType.COMMA,
+ 401        ".": TokenType.DOT,
+ 402        "-": TokenType.DASH,
+ 403        "=": TokenType.EQ,
+ 404        ">": TokenType.GT,
+ 405        "<": TokenType.LT,
+ 406        "%": TokenType.MOD,
+ 407        "!": TokenType.NOT,
+ 408        "|": TokenType.PIPE,
+ 409        "+": TokenType.PLUS,
+ 410        ";": TokenType.SEMICOLON,
+ 411        "/": TokenType.SLASH,
+ 412        "\\": TokenType.BACKSLASH,
+ 413        "*": TokenType.STAR,
+ 414        "~": TokenType.TILDA,
+ 415        "?": TokenType.PLACEHOLDER,
+ 416        "@": TokenType.PARAMETER,
+ 417        # used for breaking a var like x'y' but nothing else
+ 418        # the token type doesn't matter
+ 419        "'": TokenType.QUOTE,
+ 420        "`": TokenType.IDENTIFIER,
+ 421        '"': TokenType.IDENTIFIER,
+ 422        "#": TokenType.HASH,
+ 423    }
+ 424
+ 425    QUOTES: t.List[t.Tuple[str, str] | str] = ["'"]
+ 426
+ 427    BIT_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 428
+ 429    HEX_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 430
+ 431    BYTE_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 432
+ 433    IDENTIFIERS: t.List[str | t.Tuple[str, str]] = ['"']
+ 434
+ 435    STRING_ESCAPES = ["'"]
+ 436
+ 437    _STRING_ESCAPES: t.Set[str] = set()
+ 438
+ 439    IDENTIFIER_ESCAPES = ['"']
+ 440
+ 441    _IDENTIFIER_ESCAPES: t.Set[str] = set()
+ 442
+ 443    KEYWORDS = {
+ 444        **{f"{{%{postfix}": TokenType.BLOCK_START for postfix in ("", "+", "-")},
+ 445        **{f"{prefix}%}}": TokenType.BLOCK_END for prefix in ("", "+", "-")},
+ 446        "{{+": TokenType.BLOCK_START,
+ 447        "{{-": TokenType.BLOCK_START,
+ 448        "+}}": TokenType.BLOCK_END,
+ 449        "-}}": TokenType.BLOCK_END,
+ 450        "/*+": TokenType.HINT,
+ 451        "==": TokenType.EQ,
+ 452        "::": TokenType.DCOLON,
+ 453        "||": TokenType.DPIPE,
+ 454        ">=": TokenType.GTE,
+ 455        "<=": TokenType.LTE,
+ 456        "<>": TokenType.NEQ,
+ 457        "!=": TokenType.NEQ,
+ 458        "<=>": TokenType.NULLSAFE_EQ,
+ 459        "->": TokenType.ARROW,
+ 460        "->>": TokenType.DARROW,
+ 461        "=>": TokenType.FARROW,
+ 462        "#>": TokenType.HASH_ARROW,
+ 463        "#>>": TokenType.DHASH_ARROW,
+ 464        "<->": TokenType.LR_ARROW,
+ 465        "ALL": TokenType.ALL,
+ 466        "ALWAYS": TokenType.ALWAYS,
+ 467        "AND": TokenType.AND,
+ 468        "ANTI": TokenType.ANTI,
+ 469        "ANY": TokenType.ANY,
+ 470        "ASC": TokenType.ASC,
+ 471        "AS": TokenType.ALIAS,
+ 472        "AT TIME ZONE": TokenType.AT_TIME_ZONE,
+ 473        "AUTOINCREMENT": TokenType.AUTO_INCREMENT,
+ 474        "AUTO_INCREMENT": TokenType.AUTO_INCREMENT,
+ 475        "BEGIN": TokenType.BEGIN,
+ 476        "BETWEEN": TokenType.BETWEEN,
+ 477        "BOTH": TokenType.BOTH,
+ 478        "BUCKET": TokenType.BUCKET,
+ 479        "BY DEFAULT": TokenType.BY_DEFAULT,
+ 480        "CACHE": TokenType.CACHE,
+ 481        "UNCACHE": TokenType.UNCACHE,
+ 482        "CASE": TokenType.CASE,
+ 483        "CASCADE": TokenType.CASCADE,
+ 484        "CHARACTER SET": TokenType.CHARACTER_SET,
+ 485        "CLUSTER BY": TokenType.CLUSTER_BY,
+ 486        "COLLATE": TokenType.COLLATE,
+ 487        "COLUMN": TokenType.COLUMN,
+ 488        "COMMIT": TokenType.COMMIT,
+ 489        "COMPOUND": TokenType.COMPOUND,
+ 490        "CONSTRAINT": TokenType.CONSTRAINT,
+ 491        "CREATE": TokenType.CREATE,
+ 492        "CROSS": TokenType.CROSS,
+ 493        "CUBE": TokenType.CUBE,
+ 494        "CURRENT_DATE": TokenType.CURRENT_DATE,
+ 495        "CURRENT ROW": TokenType.CURRENT_ROW,
+ 496        "CURRENT_TIMESTAMP": TokenType.CURRENT_TIMESTAMP,
+ 497        "DATABASE": TokenType.DATABASE,
+ 498        "DEFAULT": TokenType.DEFAULT,
+ 499        "DELETE": TokenType.DELETE,
+ 500        "DESC": TokenType.DESC,
+ 501        "DESCRIBE": TokenType.DESCRIBE,
+ 502        "DISTINCT": TokenType.DISTINCT,
+ 503        "DISTINCT FROM": TokenType.DISTINCT_FROM,
+ 504        "DISTRIBUTE BY": TokenType.DISTRIBUTE_BY,
+ 505        "DIV": TokenType.DIV,
+ 506        "DROP": TokenType.DROP,
+ 507        "ELSE": TokenType.ELSE,
+ 508        "END": TokenType.END,
+ 509        "ESCAPE": TokenType.ESCAPE,
+ 510        "EXCEPT": TokenType.EXCEPT,
+ 511        "EXECUTE": TokenType.EXECUTE,
+ 512        "EXISTS": TokenType.EXISTS,
+ 513        "FALSE": TokenType.FALSE,
+ 514        "FETCH": TokenType.FETCH,
+ 515        "FILTER": TokenType.FILTER,
+ 516        "FIRST": TokenType.FIRST,
+ 517        "FULL": TokenType.FULL,
+ 518        "FUNCTION": TokenType.FUNCTION,
+ 519        "FOLLOWING": TokenType.FOLLOWING,
+ 520        "FOR": TokenType.FOR,
+ 521        "FOREIGN KEY": TokenType.FOREIGN_KEY,
+ 522        "FORMAT": TokenType.FORMAT,
+ 523        "FROM": TokenType.FROM,
+ 524        "GLOB": TokenType.GLOB,
+ 525        "GROUP BY": TokenType.GROUP_BY,
+ 526        "GROUPING SETS": TokenType.GROUPING_SETS,
+ 527        "HAVING": TokenType.HAVING,
+ 528        "IF": TokenType.IF,
+ 529        "ILIKE": TokenType.ILIKE,
+ 530        "IGNORE NULLS": TokenType.IGNORE_NULLS,
+ 531        "IN": TokenType.IN,
+ 532        "INDEX": TokenType.INDEX,
+ 533        "INET": TokenType.INET,
+ 534        "INNER": TokenType.INNER,
+ 535        "INSERT": TokenType.INSERT,
+ 536        "INTERVAL": TokenType.INTERVAL,
+ 537        "INTERSECT": TokenType.INTERSECT,
+ 538        "INTO": TokenType.INTO,
+ 539        "IS": TokenType.IS,
+ 540        "ISNULL": TokenType.ISNULL,
+ 541        "JOIN": TokenType.JOIN,
+ 542        "LATERAL": TokenType.LATERAL,
+ 543        "LAZY": TokenType.LAZY,
+ 544        "LEADING": TokenType.LEADING,
+ 545        "LEFT": TokenType.LEFT,
+ 546        "LIKE": TokenType.LIKE,
+ 547        "LIMIT": TokenType.LIMIT,
+ 548        "LOAD DATA": TokenType.LOAD_DATA,
+ 549        "LOCAL": TokenType.LOCAL,
+ 550        "MATERIALIZED": TokenType.MATERIALIZED,
+ 551        "MERGE": TokenType.MERGE,
+ 552        "NATURAL": TokenType.NATURAL,
+ 553        "NEXT": TokenType.NEXT,
+ 554        "NO ACTION": TokenType.NO_ACTION,
+ 555        "NOT": TokenType.NOT,
+ 556        "NOTNULL": TokenType.NOTNULL,
+ 557        "NULL": TokenType.NULL,
+ 558        "NULLS FIRST": TokenType.NULLS_FIRST,
+ 559        "NULLS LAST": TokenType.NULLS_LAST,
+ 560        "OBJECT": TokenType.OBJECT,
+ 561        "OFFSET": TokenType.OFFSET,
+ 562        "ON": TokenType.ON,
+ 563        "ONLY": TokenType.ONLY,
+ 564        "OPTIONS": TokenType.OPTIONS,
+ 565        "OR": TokenType.OR,
+ 566        "ORDER BY": TokenType.ORDER_BY,
+ 567        "ORDINALITY": TokenType.ORDINALITY,
+ 568        "OUTER": TokenType.OUTER,
+ 569        "OUT OF": TokenType.OUT_OF,
+ 570        "OVER": TokenType.OVER,
+ 571        "OVERLAPS": TokenType.OVERLAPS,
+ 572        "OVERWRITE": TokenType.OVERWRITE,
+ 573        "PARTITION": TokenType.PARTITION,
+ 574        "PARTITION BY": TokenType.PARTITION_BY,
+ 575        "PARTITIONED BY": TokenType.PARTITION_BY,
+ 576        "PARTITIONED_BY": TokenType.PARTITION_BY,
+ 577        "PERCENT": TokenType.PERCENT,
+ 578        "PIVOT": TokenType.PIVOT,
+ 579        "PRECEDING": TokenType.PRECEDING,
+ 580        "PRIMARY KEY": TokenType.PRIMARY_KEY,
+ 581        "PROCEDURE": TokenType.PROCEDURE,
+ 582        "QUALIFY": TokenType.QUALIFY,
+ 583        "RANGE": TokenType.RANGE,
+ 584        "RECURSIVE": TokenType.RECURSIVE,
+ 585        "REGEXP": TokenType.RLIKE,
+ 586        "REPLACE": TokenType.REPLACE,
+ 587        "RESPECT NULLS": TokenType.RESPECT_NULLS,
+ 588        "REFERENCES": TokenType.REFERENCES,
+ 589        "RIGHT": TokenType.RIGHT,
+ 590        "RLIKE": TokenType.RLIKE,
+ 591        "ROLLBACK": TokenType.ROLLBACK,
+ 592        "ROLLUP": TokenType.ROLLUP,
+ 593        "ROW": TokenType.ROW,
+ 594        "ROWS": TokenType.ROWS,
+ 595        "SCHEMA": TokenType.SCHEMA,
+ 596        "SEED": TokenType.SEED,
+ 597        "SELECT": TokenType.SELECT,
+ 598        "SEMI": TokenType.SEMI,
+ 599        "SET": TokenType.SET,
+ 600        "SHOW": TokenType.SHOW,
+ 601        "SIMILAR TO": TokenType.SIMILAR_TO,
+ 602        "SOME": TokenType.SOME,
+ 603        "SORTKEY": TokenType.SORTKEY,
+ 604        "SORT BY": TokenType.SORT_BY,
+ 605        "TABLE": TokenType.TABLE,
+ 606        "TABLESAMPLE": TokenType.TABLE_SAMPLE,
+ 607        "TEMP": TokenType.TEMPORARY,
+ 608        "TEMPORARY": TokenType.TEMPORARY,
+ 609        "THEN": TokenType.THEN,
+ 610        "TRUE": TokenType.TRUE,
+ 611        "TRAILING": TokenType.TRAILING,
+ 612        "UNBOUNDED": TokenType.UNBOUNDED,
+ 613        "UNION": TokenType.UNION,
+ 614        "UNLOGGED": TokenType.UNLOGGED,
+ 615        "UNNEST": TokenType.UNNEST,
+ 616        "UNPIVOT": TokenType.UNPIVOT,
+ 617        "UPDATE": TokenType.UPDATE,
+ 618        "USE": TokenType.USE,
+ 619        "USING": TokenType.USING,
+ 620        "VALUES": TokenType.VALUES,
+ 621        "VIEW": TokenType.VIEW,
+ 622        "VOLATILE": TokenType.VOLATILE,
+ 623        "WHEN": TokenType.WHEN,
+ 624        "WHERE": TokenType.WHERE,
+ 625        "WINDOW": TokenType.WINDOW,
+ 626        "WITH": TokenType.WITH,
+ 627        "WITH TIME ZONE": TokenType.WITH_TIME_ZONE,
+ 628        "WITH LOCAL TIME ZONE": TokenType.WITH_LOCAL_TIME_ZONE,
+ 629        "WITHIN GROUP": TokenType.WITHIN_GROUP,
+ 630        "WITHOUT TIME ZONE": TokenType.WITHOUT_TIME_ZONE,
+ 631        "APPLY": TokenType.APPLY,
+ 632        "ARRAY": TokenType.ARRAY,
+ 633        "BOOL": TokenType.BOOLEAN,
+ 634        "BOOLEAN": TokenType.BOOLEAN,
+ 635        "BYTE": TokenType.TINYINT,
+ 636        "TINYINT": TokenType.TINYINT,
+ 637        "SHORT": TokenType.SMALLINT,
+ 638        "SMALLINT": TokenType.SMALLINT,
+ 639        "INT2": TokenType.SMALLINT,
+ 640        "INTEGER": TokenType.INT,
+ 641        "INT": TokenType.INT,
+ 642        "INT4": TokenType.INT,
+ 643        "LONG": TokenType.BIGINT,
+ 644        "BIGINT": TokenType.BIGINT,
+ 645        "INT8": TokenType.BIGINT,
+ 646        "DECIMAL": TokenType.DECIMAL,
+ 647        "MAP": TokenType.MAP,
+ 648        "NULLABLE": TokenType.NULLABLE,
+ 649        "NUMBER": TokenType.DECIMAL,
+ 650        "NUMERIC": TokenType.DECIMAL,
+ 651        "FIXED": TokenType.DECIMAL,
+ 652        "REAL": TokenType.FLOAT,
+ 653        "FLOAT": TokenType.FLOAT,
+ 654        "FLOAT4": TokenType.FLOAT,
+ 655        "FLOAT8": TokenType.DOUBLE,
+ 656        "DOUBLE": TokenType.DOUBLE,
+ 657        "DOUBLE PRECISION": TokenType.DOUBLE,
+ 658        "JSON": TokenType.JSON,
+ 659        "CHAR": TokenType.CHAR,
+ 660        "CHARACTER": TokenType.CHAR,
+ 661        "NCHAR": TokenType.NCHAR,
+ 662        "VARCHAR": TokenType.VARCHAR,
+ 663        "VARCHAR2": TokenType.VARCHAR,
+ 664        "NVARCHAR": TokenType.NVARCHAR,
+ 665        "NVARCHAR2": TokenType.NVARCHAR,
+ 666        "STR": TokenType.TEXT,
+ 667        "STRING": TokenType.TEXT,
+ 668        "TEXT": TokenType.TEXT,
+ 669        "CLOB": TokenType.TEXT,
+ 670        "LONGVARCHAR": TokenType.TEXT,
+ 671        "BINARY": TokenType.BINARY,
+ 672        "BLOB": TokenType.VARBINARY,
+ 673        "BYTEA": TokenType.VARBINARY,
+ 674        "VARBINARY": TokenType.VARBINARY,
+ 675        "TIME": TokenType.TIME,
+ 676        "TIMESTAMP": TokenType.TIMESTAMP,
+ 677        "TIMESTAMPTZ": TokenType.TIMESTAMPTZ,
+ 678        "TIMESTAMPLTZ": TokenType.TIMESTAMPLTZ,
+ 679        "DATE": TokenType.DATE,
+ 680        "DATETIME": TokenType.DATETIME,
+ 681        "UNIQUE": TokenType.UNIQUE,
+ 682        "STRUCT": TokenType.STRUCT,
+ 683        "VARIANT": TokenType.VARIANT,
+ 684        "ALTER": TokenType.ALTER,
+ 685        "ALTER AGGREGATE": TokenType.COMMAND,
+ 686        "ALTER DEFAULT": TokenType.COMMAND,
+ 687        "ALTER DOMAIN": TokenType.COMMAND,
+ 688        "ALTER ROLE": TokenType.COMMAND,
+ 689        "ALTER RULE": TokenType.COMMAND,
+ 690        "ALTER SEQUENCE": TokenType.COMMAND,
+ 691        "ALTER TYPE": TokenType.COMMAND,
+ 692        "ALTER USER": TokenType.COMMAND,
+ 693        "ALTER VIEW": TokenType.COMMAND,
+ 694        "ANALYZE": TokenType.COMMAND,
+ 695        "CALL": TokenType.COMMAND,
+ 696        "COMMENT": TokenType.COMMENT,
+ 697        "COPY": TokenType.COMMAND,
+ 698        "EXPLAIN": TokenType.COMMAND,
+ 699        "GRANT": TokenType.COMMAND,
  700        "OPTIMIZE": TokenType.COMMAND,
  701        "PREPARE": TokenType.COMMAND,
  702        "TRUNCATE": TokenType.COMMAND,
@@ -1671,7 +1680,7 @@
  725    NUMERIC_LITERALS: t.Dict[str, str] = {}
  726    ENCODE: t.Optional[str] = None
  727
- 728    COMMENTS = ["--", ("/*", "*/")]
+ 728    COMMENTS = ["--", ("/*", "*/"), ("{#", "#}")]
  729    KEYWORD_TRIE = None  # autofilled
  730
  731    IDENTIFIER_CAN_START_WITH_DIGIT = False
@@ -2129,245 +2138,248 @@
  61    STRING = auto()
  62    NUMBER = auto()
  63    IDENTIFIER = auto()
- 64    COLUMN = auto()
- 65    COLUMN_DEF = auto()
- 66    SCHEMA = auto()
- 67    TABLE = auto()
- 68    VAR = auto()
- 69    BIT_STRING = auto()
- 70    HEX_STRING = auto()
- 71    BYTE_STRING = auto()
- 72
- 73    # types
- 74    BOOLEAN = auto()
- 75    TINYINT = auto()
- 76    SMALLINT = auto()
- 77    INT = auto()
- 78    BIGINT = auto()
- 79    FLOAT = auto()
- 80    DOUBLE = auto()
- 81    DECIMAL = auto()
- 82    CHAR = auto()
- 83    NCHAR = auto()
- 84    VARCHAR = auto()
- 85    NVARCHAR = auto()
- 86    TEXT = auto()
- 87    MEDIUMTEXT = auto()
- 88    LONGTEXT = auto()
- 89    MEDIUMBLOB = auto()
- 90    LONGBLOB = auto()
- 91    BINARY = auto()
- 92    VARBINARY = auto()
- 93    JSON = auto()
- 94    JSONB = auto()
- 95    TIME = auto()
- 96    TIMESTAMP = auto()
- 97    TIMESTAMPTZ = auto()
- 98    TIMESTAMPLTZ = auto()
- 99    DATETIME = auto()
-100    DATE = auto()
-101    UUID = auto()
-102    GEOGRAPHY = auto()
-103    NULLABLE = auto()
-104    GEOMETRY = auto()
-105    HLLSKETCH = auto()
-106    HSTORE = auto()
-107    SUPER = auto()
-108    SERIAL = auto()
-109    SMALLSERIAL = auto()
-110    BIGSERIAL = auto()
-111    XML = auto()
-112    UNIQUEIDENTIFIER = auto()
-113    MONEY = auto()
-114    SMALLMONEY = auto()
-115    ROWVERSION = auto()
-116    IMAGE = auto()
-117    VARIANT = auto()
-118    OBJECT = auto()
-119    INET = auto()
-120
-121    # keywords
-122    ALIAS = auto()
-123    ALTER = auto()
-124    ALWAYS = auto()
-125    ALL = auto()
-126    ANTI = auto()
-127    ANY = auto()
-128    APPLY = auto()
-129    ARRAY = auto()
-130    ASC = auto()
-131    ASOF = auto()
-132    AT_TIME_ZONE = auto()
-133    AUTO_INCREMENT = auto()
-134    BEGIN = auto()
-135    BETWEEN = auto()
-136    BOTH = auto()
-137    BUCKET = auto()
-138    BY_DEFAULT = auto()
-139    CACHE = auto()
-140    CASCADE = auto()
-141    CASE = auto()
-142    CHARACTER_SET = auto()
-143    CLUSTER_BY = auto()
-144    COLLATE = auto()
-145    COMMAND = auto()
-146    COMMENT = auto()
-147    COMMIT = auto()
-148    COMPOUND = auto()
-149    CONSTRAINT = auto()
-150    CREATE = auto()
-151    CROSS = auto()
-152    CUBE = auto()
-153    CURRENT_DATE = auto()
-154    CURRENT_DATETIME = auto()
-155    CURRENT_ROW = auto()
-156    CURRENT_TIME = auto()
-157    CURRENT_TIMESTAMP = auto()
-158    DEFAULT = auto()
-159    DELETE = auto()
-160    DESC = auto()
-161    DESCRIBE = auto()
-162    DISTINCT = auto()
-163    DISTINCT_FROM = auto()
-164    DISTRIBUTE_BY = auto()
-165    DIV = auto()
-166    DROP = auto()
-167    ELSE = auto()
-168    END = auto()
-169    ESCAPE = auto()
-170    EXCEPT = auto()
-171    EXECUTE = auto()
-172    EXISTS = auto()
-173    FALSE = auto()
-174    FETCH = auto()
-175    FILTER = auto()
-176    FINAL = auto()
-177    FIRST = auto()
-178    FOLLOWING = auto()
-179    FOR = auto()
-180    FOREIGN_KEY = auto()
-181    FORMAT = auto()
-182    FROM = auto()
-183    FULL = auto()
-184    FUNCTION = auto()
-185    GLOB = auto()
-186    GLOBAL = auto()
-187    GROUP_BY = auto()
-188    GROUPING_SETS = auto()
-189    HAVING = auto()
-190    HINT = auto()
-191    IF = auto()
-192    IGNORE_NULLS = auto()
-193    ILIKE = auto()
-194    ILIKE_ANY = auto()
-195    IN = auto()
-196    INDEX = auto()
-197    INNER = auto()
-198    INSERT = auto()
-199    INTERSECT = auto()
-200    INTERVAL = auto()
-201    INTO = auto()
-202    INTRODUCER = auto()
-203    IRLIKE = auto()
-204    IS = auto()
-205    ISNULL = auto()
-206    JOIN = auto()
-207    LANGUAGE = auto()
-208    LATERAL = auto()
-209    LAZY = auto()
-210    LEADING = auto()
-211    LEFT = auto()
-212    LIKE = auto()
-213    LIKE_ANY = auto()
-214    LIMIT = auto()
-215    LOAD_DATA = auto()
-216    LOCAL = auto()
-217    MAP = auto()
-218    MATCH_RECOGNIZE = auto()
-219    MATERIALIZED = auto()
-220    MERGE = auto()
-221    MOD = auto()
-222    NATURAL = auto()
-223    NEXT = auto()
-224    NO_ACTION = auto()
-225    NOTNULL = auto()
-226    NULL = auto()
-227    NULLS_FIRST = auto()
-228    NULLS_LAST = auto()
-229    OFFSET = auto()
-230    ON = auto()
-231    ONLY = auto()
-232    OPTIONS = auto()
-233    ORDER_BY = auto()
-234    ORDERED = auto()
-235    ORDINALITY = auto()
-236    OUTER = auto()
-237    OUT_OF = auto()
-238    OVER = auto()
-239    OVERWRITE = auto()
-240    PARTITION = auto()
-241    PARTITION_BY = auto()
-242    PERCENT = auto()
-243    PIVOT = auto()
-244    PLACEHOLDER = auto()
-245    PRECEDING = auto()
-246    PRIMARY_KEY = auto()
-247    PROCEDURE = auto()
-248    PROPERTIES = auto()
-249    PSEUDO_TYPE = auto()
-250    QUALIFY = auto()
-251    QUOTE = auto()
-252    RANGE = auto()
-253    RECURSIVE = auto()
-254    REPLACE = auto()
-255    RESPECT_NULLS = auto()
-256    RETURNING = auto()
-257    REFERENCES = auto()
-258    RIGHT = auto()
-259    RLIKE = auto()
-260    ROLLBACK = auto()
-261    ROLLUP = auto()
-262    ROW = auto()
-263    ROWS = auto()
-264    SEED = auto()
-265    SELECT = auto()
-266    SEMI = auto()
-267    SEPARATOR = auto()
-268    SERDE_PROPERTIES = auto()
-269    SET = auto()
-270    SHOW = auto()
-271    SIMILAR_TO = auto()
-272    SOME = auto()
-273    SORTKEY = auto()
-274    SORT_BY = auto()
-275    STRUCT = auto()
-276    TABLE_SAMPLE = auto()
-277    TEMPORARY = auto()
-278    TOP = auto()
-279    THEN = auto()
-280    TRAILING = auto()
-281    TRUE = auto()
-282    UNBOUNDED = auto()
-283    UNCACHE = auto()
-284    UNION = auto()
-285    UNLOGGED = auto()
-286    UNNEST = auto()
-287    UNPIVOT = auto()
-288    UPDATE = auto()
-289    USE = auto()
-290    USING = auto()
-291    VALUES = auto()
-292    VIEW = auto()
-293    VOLATILE = auto()
-294    WHEN = auto()
-295    WHERE = auto()
-296    WINDOW = auto()
-297    WITH = auto()
-298    WITH_TIME_ZONE = auto()
-299    WITH_LOCAL_TIME_ZONE = auto()
-300    WITHIN_GROUP = auto()
-301    WITHOUT_TIME_ZONE = auto()
-302    UNIQUE = auto()
+ 64    DATABASE = auto()
+ 65    COLUMN = auto()
+ 66    COLUMN_DEF = auto()
+ 67    SCHEMA = auto()
+ 68    TABLE = auto()
+ 69    VAR = auto()
+ 70    BIT_STRING = auto()
+ 71    HEX_STRING = auto()
+ 72    BYTE_STRING = auto()
+ 73
+ 74    # types
+ 75    BOOLEAN = auto()
+ 76    TINYINT = auto()
+ 77    SMALLINT = auto()
+ 78    INT = auto()
+ 79    BIGINT = auto()
+ 80    FLOAT = auto()
+ 81    DOUBLE = auto()
+ 82    DECIMAL = auto()
+ 83    CHAR = auto()
+ 84    NCHAR = auto()
+ 85    VARCHAR = auto()
+ 86    NVARCHAR = auto()
+ 87    TEXT = auto()
+ 88    MEDIUMTEXT = auto()
+ 89    LONGTEXT = auto()
+ 90    MEDIUMBLOB = auto()
+ 91    LONGBLOB = auto()
+ 92    BINARY = auto()
+ 93    VARBINARY = auto()
+ 94    JSON = auto()
+ 95    JSONB = auto()
+ 96    TIME = auto()
+ 97    TIMESTAMP = auto()
+ 98    TIMESTAMPTZ = auto()
+ 99    TIMESTAMPLTZ = auto()
+100    DATETIME = auto()
+101    DATE = auto()
+102    UUID = auto()
+103    GEOGRAPHY = auto()
+104    NULLABLE = auto()
+105    GEOMETRY = auto()
+106    HLLSKETCH = auto()
+107    HSTORE = auto()
+108    SUPER = auto()
+109    SERIAL = auto()
+110    SMALLSERIAL = auto()
+111    BIGSERIAL = auto()
+112    XML = auto()
+113    UNIQUEIDENTIFIER = auto()
+114    MONEY = auto()
+115    SMALLMONEY = auto()
+116    ROWVERSION = auto()
+117    IMAGE = auto()
+118    VARIANT = auto()
+119    OBJECT = auto()
+120    INET = auto()
+121
+122    # keywords
+123    ALIAS = auto()
+124    ALTER = auto()
+125    ALWAYS = auto()
+126    ALL = auto()
+127    ANTI = auto()
+128    ANY = auto()
+129    APPLY = auto()
+130    ARRAY = auto()
+131    ASC = auto()
+132    ASOF = auto()
+133    AT_TIME_ZONE = auto()
+134    AUTO_INCREMENT = auto()
+135    BEGIN = auto()
+136    BETWEEN = auto()
+137    BOTH = auto()
+138    BUCKET = auto()
+139    BY_DEFAULT = auto()
+140    CACHE = auto()
+141    CASCADE = auto()
+142    CASE = auto()
+143    CHARACTER_SET = auto()
+144    CLUSTER_BY = auto()
+145    COLLATE = auto()
+146    COMMAND = auto()
+147    COMMENT = auto()
+148    COMMIT = auto()
+149    COMPOUND = auto()
+150    CONSTRAINT = auto()
+151    CREATE = auto()
+152    CROSS = auto()
+153    CUBE = auto()
+154    CURRENT_DATE = auto()
+155    CURRENT_DATETIME = auto()
+156    CURRENT_ROW = auto()
+157    CURRENT_TIME = auto()
+158    CURRENT_TIMESTAMP = auto()
+159    DEFAULT = auto()
+160    DELETE = auto()
+161    DESC = auto()
+162    DESCRIBE = auto()
+163    DISTINCT = auto()
+164    DISTINCT_FROM = auto()
+165    DISTRIBUTE_BY = auto()
+166    DIV = auto()
+167    DROP = auto()
+168    ELSE = auto()
+169    END = auto()
+170    ESCAPE = auto()
+171    EXCEPT = auto()
+172    EXECUTE = auto()
+173    EXISTS = auto()
+174    FALSE = auto()
+175    FETCH = auto()
+176    FILTER = auto()
+177    FINAL = auto()
+178    FIRST = auto()
+179    FOLLOWING = auto()
+180    FOR = auto()
+181    FOREIGN_KEY = auto()
+182    FORMAT = auto()
+183    FROM = auto()
+184    FULL = auto()
+185    FUNCTION = auto()
+186    GLOB = auto()
+187    GLOBAL = auto()
+188    GROUP_BY = auto()
+189    GROUPING_SETS = auto()
+190    HAVING = auto()
+191    HINT = auto()
+192    IF = auto()
+193    IGNORE_NULLS = auto()
+194    ILIKE = auto()
+195    ILIKE_ANY = auto()
+196    IN = auto()
+197    INDEX = auto()
+198    INNER = auto()
+199    INSERT = auto()
+200    INTERSECT = auto()
+201    INTERVAL = auto()
+202    INTO = auto()
+203    INTRODUCER = auto()
+204    IRLIKE = auto()
+205    IS = auto()
+206    ISNULL = auto()
+207    JOIN = auto()
+208    JOIN_MARKER = auto()
+209    LANGUAGE = auto()
+210    LATERAL = auto()
+211    LAZY = auto()
+212    LEADING = auto()
+213    LEFT = auto()
+214    LIKE = auto()
+215    LIKE_ANY = auto()
+216    LIMIT = auto()
+217    LOAD_DATA = auto()
+218    LOCAL = auto()
+219    MAP = auto()
+220    MATCH_RECOGNIZE = auto()
+221    MATERIALIZED = auto()
+222    MERGE = auto()
+223    MOD = auto()
+224    NATURAL = auto()
+225    NEXT = auto()
+226    NO_ACTION = auto()
+227    NOTNULL = auto()
+228    NULL = auto()
+229    NULLS_FIRST = auto()
+230    NULLS_LAST = auto()
+231    OFFSET = auto()
+232    ON = auto()
+233    ONLY = auto()
+234    OPTIONS = auto()
+235    ORDER_BY = auto()
+236    ORDERED = auto()
+237    ORDINALITY = auto()
+238    OUTER = auto()
+239    OUT_OF = auto()
+240    OVER = auto()
+241    OVERLAPS = auto()
+242    OVERWRITE = auto()
+243    PARTITION = auto()
+244    PARTITION_BY = auto()
+245    PERCENT = auto()
+246    PIVOT = auto()
+247    PLACEHOLDER = auto()
+248    PRECEDING = auto()
+249    PRIMARY_KEY = auto()
+250    PROCEDURE = auto()
+251    PROPERTIES = auto()
+252    PSEUDO_TYPE = auto()
+253    QUALIFY = auto()
+254    QUOTE = auto()
+255    RANGE = auto()
+256    RECURSIVE = auto()
+257    REPLACE = auto()
+258    RESPECT_NULLS = auto()
+259    RETURNING = auto()
+260    REFERENCES = auto()
+261    RIGHT = auto()
+262    RLIKE = auto()
+263    ROLLBACK = auto()
+264    ROLLUP = auto()
+265    ROW = auto()
+266    ROWS = auto()
+267    SEED = auto()
+268    SELECT = auto()
+269    SEMI = auto()
+270    SEPARATOR = auto()
+271    SERDE_PROPERTIES = auto()
+272    SET = auto()
+273    SHOW = auto()
+274    SIMILAR_TO = auto()
+275    SOME = auto()
+276    SORTKEY = auto()
+277    SORT_BY = auto()
+278    STRUCT = auto()
+279    TABLE_SAMPLE = auto()
+280    TEMPORARY = auto()
+281    TOP = auto()
+282    THEN = auto()
+283    TRAILING = auto()
+284    TRUE = auto()
+285    UNBOUNDED = auto()
+286    UNCACHE = auto()
+287    UNION = auto()
+288    UNLOGGED = auto()
+289    UNNEST = auto()
+290    UNPIVOT = auto()
+291    UPDATE = auto()
+292    USE = auto()
+293    USING = auto()
+294    VALUES = auto()
+295    VIEW = auto()
+296    VOLATILE = auto()
+297    WHEN = auto()
+298    WHERE = auto()
+299    WINDOW = auto()
+300    WITH = auto()
+301    WITH_TIME_ZONE = auto()
+302    WITH_LOCAL_TIME_ZONE = auto()
+303    WITHIN_GROUP = auto()
+304    WITHOUT_TIME_ZONE = auto()
+305    UNIQUE = auto()
    @@ -2962,6 +2974,18 @@ + +
    +
    + DATABASE = +<TokenType.DATABASE: 'DATABASE'> + + +
    + + + +
    @@ -4630,6 +4654,18 @@ +
    +
    +
    + JOIN_MARKER = +<TokenType.JOIN_MARKER: 'JOIN_MARKER'> + + +
    + + + +
    @@ -5014,6 +5050,18 @@ +
    +
    +
    + OVERLAPS = +<TokenType.OVERLAPS: 'OVERLAPS'> + + +
    + + + +
    @@ -5805,46 +5853,46 @@
    - 
    305class Token:
-306    __slots__ = ("token_type", "text", "line", "col", "comments")
-307
-308    @classmethod
-309    def number(cls, number: int) -> Token:
-310        """Returns a NUMBER token with `number` as its text."""
-311        return cls(TokenType.NUMBER, str(number))
-312
-313    @classmethod
-314    def string(cls, string: str) -> Token:
-315        """Returns a STRING token with `string` as its text."""
-316        return cls(TokenType.STRING, string)
-317
-318    @classmethod
-319    def identifier(cls, identifier: str) -> Token:
-320        """Returns an IDENTIFIER token with `identifier` as its text."""
-321        return cls(TokenType.IDENTIFIER, identifier)
-322
-323    @classmethod
-324    def var(cls, var: str) -> Token:
-325        """Returns an VAR token with `var` as its text."""
-326        return cls(TokenType.VAR, var)
-327
-328    def __init__(
-329        self,
-330        token_type: TokenType,
-331        text: str,
-332        line: int = 1,
-333        col: int = 1,
-334        comments: t.List[str] = [],
-335    ) -> None:
-336        self.token_type = token_type
-337        self.text = text
-338        self.line = line
-339        self.col = max(col - len(text), 1)
-340        self.comments = comments
-341
-342    def __repr__(self) -> str:
-343        attributes = ", ".join(f"{k}: {getattr(self, k)}" for k in self.__slots__)
-344        return f"<Token {attributes}>"
+            
    308class Token:
+309    __slots__ = ("token_type", "text", "line", "col", "comments")
+310
+311    @classmethod
+312    def number(cls, number: int) -> Token:
+313        """Returns a NUMBER token with `number` as its text."""
+314        return cls(TokenType.NUMBER, str(number))
+315
+316    @classmethod
+317    def string(cls, string: str) -> Token:
+318        """Returns a STRING token with `string` as its text."""
+319        return cls(TokenType.STRING, string)
+320
+321    @classmethod
+322    def identifier(cls, identifier: str) -> Token:
+323        """Returns an IDENTIFIER token with `identifier` as its text."""
+324        return cls(TokenType.IDENTIFIER, identifier)
+325
+326    @classmethod
+327    def var(cls, var: str) -> Token:
+328        """Returns an VAR token with `var` as its text."""
+329        return cls(TokenType.VAR, var)
+330
+331    def __init__(
+332        self,
+333        token_type: TokenType,
+334        text: str,
+335        line: int = 1,
+336        col: int = 1,
+337        comments: t.List[str] = [],
+338    ) -> None:
+339        self.token_type = token_type
+340        self.text = text
+341        self.line = line
+342        self.col = max(col - len(text), 1)
+343        self.comments = comments
+344
+345    def __repr__(self) -> str:
+346        attributes = ", ".join(f"{k}: {getattr(self, k)}" for k in self.__slots__)
+347        return f"<Token {attributes}>"
 
    
 
 
@@ -5860,19 +5908,19 @@
    - 
    328    def __init__(
-329        self,
-330        token_type: TokenType,
-331        text: str,
-332        line: int = 1,
-333        col: int = 1,
-334        comments: t.List[str] = [],
-335    ) -> None:
-336        self.token_type = token_type
-337        self.text = text
-338        self.line = line
-339        self.col = max(col - len(text), 1)
-340        self.comments = comments
+            
    331    def __init__(
+332        self,
+333        token_type: TokenType,
+334        text: str,
+335        line: int = 1,
+336        col: int = 1,
+337        comments: t.List[str] = [],
+338    ) -> None:
+339        self.token_type = token_type
+340        self.text = text
+341        self.line = line
+342        self.col = max(col - len(text), 1)
+343        self.comments = comments
 
    
 
 
@@ -5891,10 +5939,10 @@
    - 
    308    @classmethod
-309    def number(cls, number: int) -> Token:
-310        """Returns a NUMBER token with `number` as its text."""
-311        return cls(TokenType.NUMBER, str(number))
+            
    311    @classmethod
+312    def number(cls, number: int) -> Token:
+313        """Returns a NUMBER token with `number` as its text."""
+314        return cls(TokenType.NUMBER, str(number))
 
    
 
 
@@ -5915,10 +5963,10 @@
    - 
    313    @classmethod
-314    def string(cls, string: str) -> Token:
-315        """Returns a STRING token with `string` as its text."""
-316        return cls(TokenType.STRING, string)
+            
    316    @classmethod
+317    def string(cls, string: str) -> Token:
+318        """Returns a STRING token with `string` as its text."""
+319        return cls(TokenType.STRING, string)
 
    
 
 
@@ -5939,10 +5987,10 @@
    - 
    318    @classmethod
-319    def identifier(cls, identifier: str) -> Token:
-320        """Returns an IDENTIFIER token with `identifier` as its text."""
-321        return cls(TokenType.IDENTIFIER, identifier)
+            
    321    @classmethod
+322    def identifier(cls, identifier: str) -> Token:
+323        """Returns an IDENTIFIER token with `identifier` as its text."""
+324        return cls(TokenType.IDENTIFIER, identifier)
 
    
 
 
@@ -5963,10 +6011,10 @@
    - 
    323    @classmethod
-324    def var(cls, var: str) -> Token:
-325        """Returns an VAR token with `var` as its text."""
-326        return cls(TokenType.VAR, var)
+            
    326    @classmethod
+327    def var(cls, var: str) -> Token:
+328        """Returns an VAR token with `var` as its text."""
+329        return cls(TokenType.VAR, var)
 
    
 
 
@@ -5987,320 +6035,317 @@
    - 
     387class Tokenizer(metaclass=_Tokenizer):
- 388    SINGLE_TOKENS = {
- 389        "(": TokenType.L_PAREN,
- 390        ")": TokenType.R_PAREN,
- 391        "[": TokenType.L_BRACKET,
- 392        "]": TokenType.R_BRACKET,
- 393        "{": TokenType.L_BRACE,
- 394        "}": TokenType.R_BRACE,
- 395        "&": TokenType.AMP,
- 396        "^": TokenType.CARET,
- 397        ":": TokenType.COLON,
- 398        ",": TokenType.COMMA,
- 399        ".": TokenType.DOT,
- 400        "-": TokenType.DASH,
- 401        "=": TokenType.EQ,
- 402        ">": TokenType.GT,
- 403        "<": TokenType.LT,
- 404        "%": TokenType.MOD,
- 405        "!": TokenType.NOT,
- 406        "|": TokenType.PIPE,
- 407        "+": TokenType.PLUS,
- 408        ";": TokenType.SEMICOLON,
- 409        "/": TokenType.SLASH,
- 410        "\\": TokenType.BACKSLASH,
- 411        "*": TokenType.STAR,
- 412        "~": TokenType.TILDA,
- 413        "?": TokenType.PLACEHOLDER,
- 414        "@": TokenType.PARAMETER,
- 415        # used for breaking a var like x'y' but nothing else
- 416        # the token type doesn't matter
- 417        "'": TokenType.QUOTE,
- 418        "`": TokenType.IDENTIFIER,
- 419        '"': TokenType.IDENTIFIER,
- 420        "#": TokenType.HASH,
- 421    }
- 422
- 423    QUOTES: t.List[t.Tuple[str, str] | str] = ["'"]
- 424
- 425    BIT_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 426
- 427    HEX_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 428
- 429    BYTE_STRINGS: t.List[str | t.Tuple[str, str]] = []
- 430
- 431    IDENTIFIERS: t.List[str | t.Tuple[str, str]] = ['"']
- 432
- 433    STRING_ESCAPES = ["'"]
- 434
- 435    _STRING_ESCAPES: t.Set[str] = set()
- 436
- 437    IDENTIFIER_ESCAPES = ['"']
- 438
- 439    _IDENTIFIER_ESCAPES: t.Set[str] = set()
- 440
- 441    KEYWORDS = {
- 442        **{
- 443            f"{key}{postfix}": TokenType.BLOCK_START
- 444            for key in ("{%", "{#")
- 445            for postfix in ("", "+", "-")
- 446        },
- 447        **{
- 448            f"{prefix}{key}": TokenType.BLOCK_END
- 449            for key in ("%}", "#}")
- 450            for prefix in ("", "+", "-")
- 451        },
- 452        "{{+": TokenType.BLOCK_START,
- 453        "{{-": TokenType.BLOCK_START,
- 454        "+}}": TokenType.BLOCK_END,
- 455        "-}}": TokenType.BLOCK_END,
- 456        "/*+": TokenType.HINT,
- 457        "==": TokenType.EQ,
- 458        "::": TokenType.DCOLON,
- 459        "||": TokenType.DPIPE,
- 460        ">=": TokenType.GTE,
- 461        "<=": TokenType.LTE,
- 462        "<>": TokenType.NEQ,
- 463        "!=": TokenType.NEQ,
- 464        "<=>": TokenType.NULLSAFE_EQ,
- 465        "->": TokenType.ARROW,
- 466        "->>": TokenType.DARROW,
- 467        "=>": TokenType.FARROW,
- 468        "#>": TokenType.HASH_ARROW,
- 469        "#>>": TokenType.DHASH_ARROW,
- 470        "<->": TokenType.LR_ARROW,
- 471        "ALL": TokenType.ALL,
- 472        "ALWAYS": TokenType.ALWAYS,
- 473        "AND": TokenType.AND,
- 474        "ANTI": TokenType.ANTI,
- 475        "ANY": TokenType.ANY,
- 476        "ASC": TokenType.ASC,
- 477        "AS": TokenType.ALIAS,
- 478        "AT TIME ZONE": TokenType.AT_TIME_ZONE,
- 479        "AUTOINCREMENT": TokenType.AUTO_INCREMENT,
- 480        "AUTO_INCREMENT": TokenType.AUTO_INCREMENT,
- 481        "BEGIN": TokenType.BEGIN,
- 482        "BETWEEN": TokenType.BETWEEN,
- 483        "BOTH": TokenType.BOTH,
- 484        "BUCKET": TokenType.BUCKET,
- 485        "BY DEFAULT": TokenType.BY_DEFAULT,
- 486        "CACHE": TokenType.CACHE,
- 487        "UNCACHE": TokenType.UNCACHE,
- 488        "CASE": TokenType.CASE,
- 489        "CASCADE": TokenType.CASCADE,
- 490        "CHARACTER SET": TokenType.CHARACTER_SET,
- 491        "CLUSTER BY": TokenType.CLUSTER_BY,
- 492        "COLLATE": TokenType.COLLATE,
- 493        "COLUMN": TokenType.COLUMN,
- 494        "COMMIT": TokenType.COMMIT,
- 495        "COMPOUND": TokenType.COMPOUND,
- 496        "CONSTRAINT": TokenType.CONSTRAINT,
- 497        "CREATE": TokenType.CREATE,
- 498        "CROSS": TokenType.CROSS,
- 499        "CUBE": TokenType.CUBE,
- 500        "CURRENT_DATE": TokenType.CURRENT_DATE,
- 501        "CURRENT ROW": TokenType.CURRENT_ROW,
- 502        "CURRENT_TIMESTAMP": TokenType.CURRENT_TIMESTAMP,
- 503        "DEFAULT": TokenType.DEFAULT,
- 504        "DELETE": TokenType.DELETE,
- 505        "DESC": TokenType.DESC,
- 506        "DESCRIBE": TokenType.DESCRIBE,
- 507        "DISTINCT": TokenType.DISTINCT,
- 508        "DISTINCT FROM": TokenType.DISTINCT_FROM,
- 509        "DISTRIBUTE BY": TokenType.DISTRIBUTE_BY,
- 510        "DIV": TokenType.DIV,
- 511        "DROP": TokenType.DROP,
- 512        "ELSE": TokenType.ELSE,
- 513        "END": TokenType.END,
- 514        "ESCAPE": TokenType.ESCAPE,
- 515        "EXCEPT": TokenType.EXCEPT,
- 516        "EXECUTE": TokenType.EXECUTE,
- 517        "EXISTS": TokenType.EXISTS,
- 518        "FALSE": TokenType.FALSE,
- 519        "FETCH": TokenType.FETCH,
- 520        "FILTER": TokenType.FILTER,
- 521        "FIRST": TokenType.FIRST,
- 522        "FULL": TokenType.FULL,
- 523        "FUNCTION": TokenType.FUNCTION,
- 524        "FOLLOWING": TokenType.FOLLOWING,
- 525        "FOR": TokenType.FOR,
- 526        "FOREIGN KEY": TokenType.FOREIGN_KEY,
- 527        "FORMAT": TokenType.FORMAT,
- 528        "FROM": TokenType.FROM,
- 529        "GLOB": TokenType.GLOB,
- 530        "GROUP BY": TokenType.GROUP_BY,
- 531        "GROUPING SETS": TokenType.GROUPING_SETS,
- 532        "HAVING": TokenType.HAVING,
- 533        "IF": TokenType.IF,
- 534        "ILIKE": TokenType.ILIKE,
- 535        "IGNORE NULLS": TokenType.IGNORE_NULLS,
- 536        "IN": TokenType.IN,
- 537        "INDEX": TokenType.INDEX,
- 538        "INET": TokenType.INET,
- 539        "INNER": TokenType.INNER,
- 540        "INSERT": TokenType.INSERT,
- 541        "INTERVAL": TokenType.INTERVAL,
- 542        "INTERSECT": TokenType.INTERSECT,
- 543        "INTO": TokenType.INTO,
- 544        "IS": TokenType.IS,
- 545        "ISNULL": TokenType.ISNULL,
- 546        "JOIN": TokenType.JOIN,
- 547        "LATERAL": TokenType.LATERAL,
- 548        "LAZY": TokenType.LAZY,
- 549        "LEADING": TokenType.LEADING,
- 550        "LEFT": TokenType.LEFT,
- 551        "LIKE": TokenType.LIKE,
- 552        "LIMIT": TokenType.LIMIT,
- 553        "LOAD DATA": TokenType.LOAD_DATA,
- 554        "LOCAL": TokenType.LOCAL,
- 555        "MATERIALIZED": TokenType.MATERIALIZED,
- 556        "MERGE": TokenType.MERGE,
- 557        "NATURAL": TokenType.NATURAL,
- 558        "NEXT": TokenType.NEXT,
- 559        "NO ACTION": TokenType.NO_ACTION,
- 560        "NOT": TokenType.NOT,
- 561        "NOTNULL": TokenType.NOTNULL,
- 562        "NULL": TokenType.NULL,
- 563        "NULLS FIRST": TokenType.NULLS_FIRST,
- 564        "NULLS LAST": TokenType.NULLS_LAST,
- 565        "OBJECT": TokenType.OBJECT,
- 566        "OFFSET": TokenType.OFFSET,
- 567        "ON": TokenType.ON,
- 568        "ONLY": TokenType.ONLY,
- 569        "OPTIONS": TokenType.OPTIONS,
- 570        "OR": TokenType.OR,
- 571        "ORDER BY": TokenType.ORDER_BY,
- 572        "ORDINALITY": TokenType.ORDINALITY,
- 573        "OUTER": TokenType.OUTER,
- 574        "OUT OF": TokenType.OUT_OF,
- 575        "OVER": TokenType.OVER,
- 576        "OVERWRITE": TokenType.OVERWRITE,
- 577        "PARTITION": TokenType.PARTITION,
- 578        "PARTITION BY": TokenType.PARTITION_BY,
- 579        "PARTITIONED BY": TokenType.PARTITION_BY,
- 580        "PARTITIONED_BY": TokenType.PARTITION_BY,
- 581        "PERCENT": TokenType.PERCENT,
- 582        "PIVOT": TokenType.PIVOT,
- 583        "PRECEDING": TokenType.PRECEDING,
- 584        "PRIMARY KEY": TokenType.PRIMARY_KEY,
- 585        "PROCEDURE": TokenType.PROCEDURE,
- 586        "QUALIFY": TokenType.QUALIFY,
- 587        "RANGE": TokenType.RANGE,
- 588        "RECURSIVE": TokenType.RECURSIVE,
- 589        "REGEXP": TokenType.RLIKE,
- 590        "REPLACE": TokenType.REPLACE,
- 591        "RESPECT NULLS": TokenType.RESPECT_NULLS,
- 592        "REFERENCES": TokenType.REFERENCES,
- 593        "RIGHT": TokenType.RIGHT,
- 594        "RLIKE": TokenType.RLIKE,
- 595        "ROLLBACK": TokenType.ROLLBACK,
- 596        "ROLLUP": TokenType.ROLLUP,
- 597        "ROW": TokenType.ROW,
- 598        "ROWS": TokenType.ROWS,
- 599        "SCHEMA": TokenType.SCHEMA,
- 600        "SEED": TokenType.SEED,
- 601        "SELECT": TokenType.SELECT,
- 602        "SEMI": TokenType.SEMI,
- 603        "SET": TokenType.SET,
- 604        "SHOW": TokenType.SHOW,
- 605        "SIMILAR TO": TokenType.SIMILAR_TO,
- 606        "SOME": TokenType.SOME,
- 607        "SORTKEY": TokenType.SORTKEY,
- 608        "SORT BY": TokenType.SORT_BY,
- 609        "TABLE": TokenType.TABLE,
- 610        "TABLESAMPLE": TokenType.TABLE_SAMPLE,
- 611        "TEMP": TokenType.TEMPORARY,
- 612        "TEMPORARY": TokenType.TEMPORARY,
- 613        "THEN": TokenType.THEN,
- 614        "TRUE": TokenType.TRUE,
- 615        "TRAILING": TokenType.TRAILING,
- 616        "UNBOUNDED": TokenType.UNBOUNDED,
- 617        "UNION": TokenType.UNION,
- 618        "UNLOGGED": TokenType.UNLOGGED,
- 619        "UNNEST": TokenType.UNNEST,
- 620        "UNPIVOT": TokenType.UNPIVOT,
- 621        "UPDATE": TokenType.UPDATE,
- 622        "USE": TokenType.USE,
- 623        "USING": TokenType.USING,
- 624        "VALUES": TokenType.VALUES,
- 625        "VIEW": TokenType.VIEW,
- 626        "VOLATILE": TokenType.VOLATILE,
- 627        "WHEN": TokenType.WHEN,
- 628        "WHERE": TokenType.WHERE,
- 629        "WINDOW": TokenType.WINDOW,
- 630        "WITH": TokenType.WITH,
- 631        "WITH TIME ZONE": TokenType.WITH_TIME_ZONE,
- 632        "WITH LOCAL TIME ZONE": TokenType.WITH_LOCAL_TIME_ZONE,
- 633        "WITHIN GROUP": TokenType.WITHIN_GROUP,
- 634        "WITHOUT TIME ZONE": TokenType.WITHOUT_TIME_ZONE,
- 635        "APPLY": TokenType.APPLY,
- 636        "ARRAY": TokenType.ARRAY,
- 637        "BOOL": TokenType.BOOLEAN,
- 638        "BOOLEAN": TokenType.BOOLEAN,
- 639        "BYTE": TokenType.TINYINT,
- 640        "TINYINT": TokenType.TINYINT,
- 641        "SHORT": TokenType.SMALLINT,
- 642        "SMALLINT": TokenType.SMALLINT,
- 643        "INT2": TokenType.SMALLINT,
- 644        "INTEGER": TokenType.INT,
- 645        "INT": TokenType.INT,
- 646        "INT4": TokenType.INT,
- 647        "LONG": TokenType.BIGINT,
- 648        "BIGINT": TokenType.BIGINT,
- 649        "INT8": TokenType.BIGINT,
- 650        "DECIMAL": TokenType.DECIMAL,
- 651        "MAP": TokenType.MAP,
- 652        "NULLABLE": TokenType.NULLABLE,
- 653        "NUMBER": TokenType.DECIMAL,
- 654        "NUMERIC": TokenType.DECIMAL,
- 655        "FIXED": TokenType.DECIMAL,
- 656        "REAL": TokenType.FLOAT,
- 657        "FLOAT": TokenType.FLOAT,
- 658        "FLOAT4": TokenType.FLOAT,
- 659        "FLOAT8": TokenType.DOUBLE,
- 660        "DOUBLE": TokenType.DOUBLE,
- 661        "DOUBLE PRECISION": TokenType.DOUBLE,
- 662        "JSON": TokenType.JSON,
- 663        "CHAR": TokenType.CHAR,
- 664        "NCHAR": TokenType.NCHAR,
- 665        "VARCHAR": TokenType.VARCHAR,
- 666        "VARCHAR2": TokenType.VARCHAR,
- 667        "NVARCHAR": TokenType.NVARCHAR,
- 668        "NVARCHAR2": TokenType.NVARCHAR,
- 669        "STR": TokenType.TEXT,
- 670        "STRING": TokenType.TEXT,
- 671        "TEXT": TokenType.TEXT,
- 672        "CLOB": TokenType.TEXT,
- 673        "LONGVARCHAR": TokenType.TEXT,
- 674        "BINARY": TokenType.BINARY,
- 675        "BLOB": TokenType.VARBINARY,
- 676        "BYTEA": TokenType.VARBINARY,
- 677        "VARBINARY": TokenType.VARBINARY,
- 678        "TIME": TokenType.TIME,
- 679        "TIMESTAMP": TokenType.TIMESTAMP,
- 680        "TIMESTAMPTZ": TokenType.TIMESTAMPTZ,
- 681        "TIMESTAMPLTZ": TokenType.TIMESTAMPLTZ,
- 682        "DATE": TokenType.DATE,
- 683        "DATETIME": TokenType.DATETIME,
- 684        "UNIQUE": TokenType.UNIQUE,
- 685        "STRUCT": TokenType.STRUCT,
- 686        "VARIANT": TokenType.VARIANT,
- 687        "ALTER": TokenType.ALTER,
- 688        "ALTER AGGREGATE": TokenType.COMMAND,
- 689        "ALTER DEFAULT": TokenType.COMMAND,
- 690        "ALTER DOMAIN": TokenType.COMMAND,
- 691        "ALTER ROLE": TokenType.COMMAND,
- 692        "ALTER RULE": TokenType.COMMAND,
- 693        "ALTER SEQUENCE": TokenType.COMMAND,
- 694        "ALTER TYPE": TokenType.COMMAND,
- 695        "ALTER USER": TokenType.COMMAND,
- 696        "ALTER VIEW": TokenType.COMMAND,
- 697        "ANALYZE": TokenType.COMMAND,
- 698        "CALL": TokenType.COMMAND,
- 699        "COPY": TokenType.COMMAND,
- 700        "EXPLAIN": TokenType.COMMAND,
+            
     390class Tokenizer(metaclass=_Tokenizer):
+ 391    SINGLE_TOKENS = {
+ 392        "(": TokenType.L_PAREN,
+ 393        ")": TokenType.R_PAREN,
+ 394        "[": TokenType.L_BRACKET,
+ 395        "]": TokenType.R_BRACKET,
+ 396        "{": TokenType.L_BRACE,
+ 397        "}": TokenType.R_BRACE,
+ 398        "&": TokenType.AMP,
+ 399        "^": TokenType.CARET,
+ 400        ":": TokenType.COLON,
+ 401        ",": TokenType.COMMA,
+ 402        ".": TokenType.DOT,
+ 403        "-": TokenType.DASH,
+ 404        "=": TokenType.EQ,
+ 405        ">": TokenType.GT,
+ 406        "<": TokenType.LT,
+ 407        "%": TokenType.MOD,
+ 408        "!": TokenType.NOT,
+ 409        "|": TokenType.PIPE,
+ 410        "+": TokenType.PLUS,
+ 411        ";": TokenType.SEMICOLON,
+ 412        "/": TokenType.SLASH,
+ 413        "\\": TokenType.BACKSLASH,
+ 414        "*": TokenType.STAR,
+ 415        "~": TokenType.TILDA,
+ 416        "?": TokenType.PLACEHOLDER,
+ 417        "@": TokenType.PARAMETER,
+ 418        # used for breaking a var like x'y' but nothing else
+ 419        # the token type doesn't matter
+ 420        "'": TokenType.QUOTE,
+ 421        "`": TokenType.IDENTIFIER,
+ 422        '"': TokenType.IDENTIFIER,
+ 423        "#": TokenType.HASH,
+ 424    }
+ 425
+ 426    QUOTES: t.List[t.Tuple[str, str] | str] = ["'"]
+ 427
+ 428    BIT_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 429
+ 430    HEX_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 431
+ 432    BYTE_STRINGS: t.List[str | t.Tuple[str, str]] = []
+ 433
+ 434    IDENTIFIERS: t.List[str | t.Tuple[str, str]] = ['"']
+ 435
+ 436    STRING_ESCAPES = ["'"]
+ 437
+ 438    _STRING_ESCAPES: t.Set[str] = set()
+ 439
+ 440    IDENTIFIER_ESCAPES = ['"']
+ 441
+ 442    _IDENTIFIER_ESCAPES: t.Set[str] = set()
+ 443
+ 444    KEYWORDS = {
+ 445        **{f"{{%{postfix}": TokenType.BLOCK_START for postfix in ("", "+", "-")},
+ 446        **{f"{prefix}%}}": TokenType.BLOCK_END for prefix in ("", "+", "-")},
+ 447        "{{+": TokenType.BLOCK_START,
+ 448        "{{-": TokenType.BLOCK_START,
+ 449        "+}}": TokenType.BLOCK_END,
+ 450        "-}}": TokenType.BLOCK_END,
+ 451        "/*+": TokenType.HINT,
+ 452        "==": TokenType.EQ,
+ 453        "::": TokenType.DCOLON,
+ 454        "||": TokenType.DPIPE,
+ 455        ">=": TokenType.GTE,
+ 456        "<=": TokenType.LTE,
+ 457        "<>": TokenType.NEQ,
+ 458        "!=": TokenType.NEQ,
+ 459        "<=>": TokenType.NULLSAFE_EQ,
+ 460        "->": TokenType.ARROW,
+ 461        "->>": TokenType.DARROW,
+ 462        "=>": TokenType.FARROW,
+ 463        "#>": TokenType.HASH_ARROW,
+ 464        "#>>": TokenType.DHASH_ARROW,
+ 465        "<->": TokenType.LR_ARROW,
+ 466        "ALL": TokenType.ALL,
+ 467        "ALWAYS": TokenType.ALWAYS,
+ 468        "AND": TokenType.AND,
+ 469        "ANTI": TokenType.ANTI,
+ 470        "ANY": TokenType.ANY,
+ 471        "ASC": TokenType.ASC,
+ 472        "AS": TokenType.ALIAS,
+ 473        "AT TIME ZONE": TokenType.AT_TIME_ZONE,
+ 474        "AUTOINCREMENT": TokenType.AUTO_INCREMENT,
+ 475        "AUTO_INCREMENT": TokenType.AUTO_INCREMENT,
+ 476        "BEGIN": TokenType.BEGIN,
+ 477        "BETWEEN": TokenType.BETWEEN,
+ 478        "BOTH": TokenType.BOTH,
+ 479        "BUCKET": TokenType.BUCKET,
+ 480        "BY DEFAULT": TokenType.BY_DEFAULT,
+ 481        "CACHE": TokenType.CACHE,
+ 482        "UNCACHE": TokenType.UNCACHE,
+ 483        "CASE": TokenType.CASE,
+ 484        "CASCADE": TokenType.CASCADE,
+ 485        "CHARACTER SET": TokenType.CHARACTER_SET,
+ 486        "CLUSTER BY": TokenType.CLUSTER_BY,
+ 487        "COLLATE": TokenType.COLLATE,
+ 488        "COLUMN": TokenType.COLUMN,
+ 489        "COMMIT": TokenType.COMMIT,
+ 490        "COMPOUND": TokenType.COMPOUND,
+ 491        "CONSTRAINT": TokenType.CONSTRAINT,
+ 492        "CREATE": TokenType.CREATE,
+ 493        "CROSS": TokenType.CROSS,
+ 494        "CUBE": TokenType.CUBE,
+ 495        "CURRENT_DATE": TokenType.CURRENT_DATE,
+ 496        "CURRENT ROW": TokenType.CURRENT_ROW,
+ 497        "CURRENT_TIMESTAMP": TokenType.CURRENT_TIMESTAMP,
+ 498        "DATABASE": TokenType.DATABASE,
+ 499        "DEFAULT": TokenType.DEFAULT,
+ 500        "DELETE": TokenType.DELETE,
+ 501        "DESC": TokenType.DESC,
+ 502        "DESCRIBE": TokenType.DESCRIBE,
+ 503        "DISTINCT": TokenType.DISTINCT,
+ 504        "DISTINCT FROM": TokenType.DISTINCT_FROM,
+ 505        "DISTRIBUTE BY": TokenType.DISTRIBUTE_BY,
+ 506        "DIV": TokenType.DIV,
+ 507        "DROP": TokenType.DROP,
+ 508        "ELSE": TokenType.ELSE,
+ 509        "END": TokenType.END,
+ 510        "ESCAPE": TokenType.ESCAPE,
+ 511        "EXCEPT": TokenType.EXCEPT,
+ 512        "EXECUTE": TokenType.EXECUTE,
+ 513        "EXISTS": TokenType.EXISTS,
+ 514        "FALSE": TokenType.FALSE,
+ 515        "FETCH": TokenType.FETCH,
+ 516        "FILTER": TokenType.FILTER,
+ 517        "FIRST": TokenType.FIRST,
+ 518        "FULL": TokenType.FULL,
+ 519        "FUNCTION": TokenType.FUNCTION,
+ 520        "FOLLOWING": TokenType.FOLLOWING,
+ 521        "FOR": TokenType.FOR,
+ 522        "FOREIGN KEY": TokenType.FOREIGN_KEY,
+ 523        "FORMAT": TokenType.FORMAT,
+ 524        "FROM": TokenType.FROM,
+ 525        "GLOB": TokenType.GLOB,
+ 526        "GROUP BY": TokenType.GROUP_BY,
+ 527        "GROUPING SETS": TokenType.GROUPING_SETS,
+ 528        "HAVING": TokenType.HAVING,
+ 529        "IF": TokenType.IF,
+ 530        "ILIKE": TokenType.ILIKE,
+ 531        "IGNORE NULLS": TokenType.IGNORE_NULLS,
+ 532        "IN": TokenType.IN,
+ 533        "INDEX": TokenType.INDEX,
+ 534        "INET": TokenType.INET,
+ 535        "INNER": TokenType.INNER,
+ 536        "INSERT": TokenType.INSERT,
+ 537        "INTERVAL": TokenType.INTERVAL,
+ 538        "INTERSECT": TokenType.INTERSECT,
+ 539        "INTO": TokenType.INTO,
+ 540        "IS": TokenType.IS,
+ 541        "ISNULL": TokenType.ISNULL,
+ 542        "JOIN": TokenType.JOIN,
+ 543        "LATERAL": TokenType.LATERAL,
+ 544        "LAZY": TokenType.LAZY,
+ 545        "LEADING": TokenType.LEADING,
+ 546        "LEFT": TokenType.LEFT,
+ 547        "LIKE": TokenType.LIKE,
+ 548        "LIMIT": TokenType.LIMIT,
+ 549        "LOAD DATA": TokenType.LOAD_DATA,
+ 550        "LOCAL": TokenType.LOCAL,
+ 551        "MATERIALIZED": TokenType.MATERIALIZED,
+ 552        "MERGE": TokenType.MERGE,
+ 553        "NATURAL": TokenType.NATURAL,
+ 554        "NEXT": TokenType.NEXT,
+ 555        "NO ACTION": TokenType.NO_ACTION,
+ 556        "NOT": TokenType.NOT,
+ 557        "NOTNULL": TokenType.NOTNULL,
+ 558        "NULL": TokenType.NULL,
+ 559        "NULLS FIRST": TokenType.NULLS_FIRST,
+ 560        "NULLS LAST": TokenType.NULLS_LAST,
+ 561        "OBJECT": TokenType.OBJECT,
+ 562        "OFFSET": TokenType.OFFSET,
+ 563        "ON": TokenType.ON,
+ 564        "ONLY": TokenType.ONLY,
+ 565        "OPTIONS": TokenType.OPTIONS,
+ 566        "OR": TokenType.OR,
+ 567        "ORDER BY": TokenType.ORDER_BY,
+ 568        "ORDINALITY": TokenType.ORDINALITY,
+ 569        "OUTER": TokenType.OUTER,
+ 570        "OUT OF": TokenType.OUT_OF,
+ 571        "OVER": TokenType.OVER,
+ 572        "OVERLAPS": TokenType.OVERLAPS,
+ 573        "OVERWRITE": TokenType.OVERWRITE,
+ 574        "PARTITION": TokenType.PARTITION,
+ 575        "PARTITION BY": TokenType.PARTITION_BY,
+ 576        "PARTITIONED BY": TokenType.PARTITION_BY,
+ 577        "PARTITIONED_BY": TokenType.PARTITION_BY,
+ 578        "PERCENT": TokenType.PERCENT,
+ 579        "PIVOT": TokenType.PIVOT,
+ 580        "PRECEDING": TokenType.PRECEDING,
+ 581        "PRIMARY KEY": TokenType.PRIMARY_KEY,
+ 582        "PROCEDURE": TokenType.PROCEDURE,
+ 583        "QUALIFY": TokenType.QUALIFY,
+ 584        "RANGE": TokenType.RANGE,
+ 585        "RECURSIVE": TokenType.RECURSIVE,
+ 586        "REGEXP": TokenType.RLIKE,
+ 587        "REPLACE": TokenType.REPLACE,
+ 588        "RESPECT NULLS": TokenType.RESPECT_NULLS,
+ 589        "REFERENCES": TokenType.REFERENCES,
+ 590        "RIGHT": TokenType.RIGHT,
+ 591        "RLIKE": TokenType.RLIKE,
+ 592        "ROLLBACK": TokenType.ROLLBACK,
+ 593        "ROLLUP": TokenType.ROLLUP,
+ 594        "ROW": TokenType.ROW,
+ 595        "ROWS": TokenType.ROWS,
+ 596        "SCHEMA": TokenType.SCHEMA,
+ 597        "SEED": TokenType.SEED,
+ 598        "SELECT": TokenType.SELECT,
+ 599        "SEMI": TokenType.SEMI,
+ 600        "SET": TokenType.SET,
+ 601        "SHOW": TokenType.SHOW,
+ 602        "SIMILAR TO": TokenType.SIMILAR_TO,
+ 603        "SOME": TokenType.SOME,
+ 604        "SORTKEY": TokenType.SORTKEY,
+ 605        "SORT BY": TokenType.SORT_BY,
+ 606        "TABLE": TokenType.TABLE,
+ 607        "TABLESAMPLE": TokenType.TABLE_SAMPLE,
+ 608        "TEMP": TokenType.TEMPORARY,
+ 609        "TEMPORARY": TokenType.TEMPORARY,
+ 610        "THEN": TokenType.THEN,
+ 611        "TRUE": TokenType.TRUE,
+ 612        "TRAILING": TokenType.TRAILING,
+ 613        "UNBOUNDED": TokenType.UNBOUNDED,
+ 614        "UNION": TokenType.UNION,
+ 615        "UNLOGGED": TokenType.UNLOGGED,
+ 616        "UNNEST": TokenType.UNNEST,
+ 617        "UNPIVOT": TokenType.UNPIVOT,
+ 618        "UPDATE": TokenType.UPDATE,
+ 619        "USE": TokenType.USE,
+ 620        "USING": TokenType.USING,
+ 621        "VALUES": TokenType.VALUES,
+ 622        "VIEW": TokenType.VIEW,
+ 623        "VOLATILE": TokenType.VOLATILE,
+ 624        "WHEN": TokenType.WHEN,
+ 625        "WHERE": TokenType.WHERE,
+ 626        "WINDOW": TokenType.WINDOW,
+ 627        "WITH": TokenType.WITH,
+ 628        "WITH TIME ZONE": TokenType.WITH_TIME_ZONE,
+ 629        "WITH LOCAL TIME ZONE": TokenType.WITH_LOCAL_TIME_ZONE,
+ 630        "WITHIN GROUP": TokenType.WITHIN_GROUP,
+ 631        "WITHOUT TIME ZONE": TokenType.WITHOUT_TIME_ZONE,
+ 632        "APPLY": TokenType.APPLY,
+ 633        "ARRAY": TokenType.ARRAY,
+ 634        "BOOL": TokenType.BOOLEAN,
+ 635        "BOOLEAN": TokenType.BOOLEAN,
+ 636        "BYTE": TokenType.TINYINT,
+ 637        "TINYINT": TokenType.TINYINT,
+ 638        "SHORT": TokenType.SMALLINT,
+ 639        "SMALLINT": TokenType.SMALLINT,
+ 640        "INT2": TokenType.SMALLINT,
+ 641        "INTEGER": TokenType.INT,
+ 642        "INT": TokenType.INT,
+ 643        "INT4": TokenType.INT,
+ 644        "LONG": TokenType.BIGINT,
+ 645        "BIGINT": TokenType.BIGINT,
+ 646        "INT8": TokenType.BIGINT,
+ 647        "DECIMAL": TokenType.DECIMAL,
+ 648        "MAP": TokenType.MAP,
+ 649        "NULLABLE": TokenType.NULLABLE,
+ 650        "NUMBER": TokenType.DECIMAL,
+ 651        "NUMERIC": TokenType.DECIMAL,
+ 652        "FIXED": TokenType.DECIMAL,
+ 653        "REAL": TokenType.FLOAT,
+ 654        "FLOAT": TokenType.FLOAT,
+ 655        "FLOAT4": TokenType.FLOAT,
+ 656        "FLOAT8": TokenType.DOUBLE,
+ 657        "DOUBLE": TokenType.DOUBLE,
+ 658        "DOUBLE PRECISION": TokenType.DOUBLE,
+ 659        "JSON": TokenType.JSON,
+ 660        "CHAR": TokenType.CHAR,
+ 661        "CHARACTER": TokenType.CHAR,
+ 662        "NCHAR": TokenType.NCHAR,
+ 663        "VARCHAR": TokenType.VARCHAR,
+ 664        "VARCHAR2": TokenType.VARCHAR,
+ 665        "NVARCHAR": TokenType.NVARCHAR,
+ 666        "NVARCHAR2": TokenType.NVARCHAR,
+ 667        "STR": TokenType.TEXT,
+ 668        "STRING": TokenType.TEXT,
+ 669        "TEXT": TokenType.TEXT,
+ 670        "CLOB": TokenType.TEXT,
+ 671        "LONGVARCHAR": TokenType.TEXT,
+ 672        "BINARY": TokenType.BINARY,
+ 673        "BLOB": TokenType.VARBINARY,
+ 674        "BYTEA": TokenType.VARBINARY,
+ 675        "VARBINARY": TokenType.VARBINARY,
+ 676        "TIME": TokenType.TIME,
+ 677        "TIMESTAMP": TokenType.TIMESTAMP,
+ 678        "TIMESTAMPTZ": TokenType.TIMESTAMPTZ,
+ 679        "TIMESTAMPLTZ": TokenType.TIMESTAMPLTZ,
+ 680        "DATE": TokenType.DATE,
+ 681        "DATETIME": TokenType.DATETIME,
+ 682        "UNIQUE": TokenType.UNIQUE,
+ 683        "STRUCT": TokenType.STRUCT,
+ 684        "VARIANT": TokenType.VARIANT,
+ 685        "ALTER": TokenType.ALTER,
+ 686        "ALTER AGGREGATE": TokenType.COMMAND,
+ 687        "ALTER DEFAULT": TokenType.COMMAND,
+ 688        "ALTER DOMAIN": TokenType.COMMAND,
+ 689        "ALTER ROLE": TokenType.COMMAND,
+ 690        "ALTER RULE": TokenType.COMMAND,
+ 691        "ALTER SEQUENCE": TokenType.COMMAND,
+ 692        "ALTER TYPE": TokenType.COMMAND,
+ 693        "ALTER USER": TokenType.COMMAND,
+ 694        "ALTER VIEW": TokenType.COMMAND,
+ 695        "ANALYZE": TokenType.COMMAND,
+ 696        "CALL": TokenType.COMMAND,
+ 697        "COMMENT": TokenType.COMMENT,
+ 698        "COPY": TokenType.COMMAND,
+ 699        "EXPLAIN": TokenType.COMMAND,
+ 700        "GRANT": TokenType.COMMAND,
  701        "OPTIMIZE": TokenType.COMMAND,
  702        "PREPARE": TokenType.COMMAND,
  703        "TRUNCATE": TokenType.COMMAND,
@@ -6329,7 +6374,7 @@
  726    NUMERIC_LITERALS: t.Dict[str, str] = {}
  727    ENCODE: t.Optional[str] = None
  728
- 729    COMMENTS = ["--", ("/*", "*/")]
+ 729    COMMENTS = ["--", ("/*", "*/"), ("{#", "#}")]
  730    KEYWORD_TRIE = None  # autofilled
  731
  732    IDENTIFIER_CAN_START_WITH_DIGIT = False
diff --git a/sqlglot/__init__.py b/sqlglot/__init__.py
index 87b36b0..d026627 100644
--- a/sqlglot/__init__.py
+++ b/sqlglot/__init__.py
@@ -47,7 +47,7 @@ if t.TYPE_CHECKING:
     T = t.TypeVar("T", bound=Expression)
 
 
-__version__ = "11.2.3"
+__version__ = "11.3.0"
 
 pretty = False
 """Whether to format generated SQL by default."""
diff --git a/sqlglot/dataframe/sql/column.py b/sqlglot/dataframe/sql/column.py
index 609b2a4..f45d467 100644
--- a/sqlglot/dataframe/sql/column.py
+++ b/sqlglot/dataframe/sql/column.py
@@ -67,10 +67,10 @@ class Column:
         return self.binary_op(exp.Mul, other)
 
     def __truediv__(self, other: ColumnOrLiteral) -> Column:
-        return self.binary_op(exp.Div, other)
+        return self.binary_op(exp.FloatDiv, other)
 
     def __div__(self, other: ColumnOrLiteral) -> Column:
-        return self.binary_op(exp.Div, other)
+        return self.binary_op(exp.FloatDiv, other)
 
     def __neg__(self) -> Column:
         return self.unary_op(exp.Neg)
@@ -85,10 +85,10 @@ class Column:
         return self.inverse_binary_op(exp.Mul, other)
 
     def __rdiv__(self, other: ColumnOrLiteral) -> Column:
-        return self.inverse_binary_op(exp.Div, other)
+        return self.inverse_binary_op(exp.FloatDiv, other)
 
     def __rtruediv__(self, other: ColumnOrLiteral) -> Column:
-        return self.inverse_binary_op(exp.Div, other)
+        return self.inverse_binary_op(exp.FloatDiv, other)
 
     def __rmod__(self, other: ColumnOrLiteral) -> Column:
         return self.inverse_binary_op(exp.Mod, other)
diff --git a/sqlglot/dataframe/sql/dataframe.py b/sqlglot/dataframe/sql/dataframe.py
index 93ca45a..32ee927 100644
--- a/sqlglot/dataframe/sql/dataframe.py
+++ b/sqlglot/dataframe/sql/dataframe.py
@@ -260,7 +260,7 @@ class DataFrame:
     @classmethod
     def _get_outer_select_columns(cls, item: t.Union[exp.Expression, DataFrame]) -> t.List[Column]:
         expression = item.expression if isinstance(item, DataFrame) else item
-        return [Column(x) for x in expression.find(exp.Select).expressions]
+        return [Column(x) for x in (expression.find(exp.Select) or exp.Select()).expressions]
 
     @classmethod
     def _create_hash_from_expression(cls, expression: exp.Select):
diff --git a/sqlglot/dataframe/sql/functions.py b/sqlglot/dataframe/sql/functions.py
index 8f24746..3c98f42 100644
--- a/sqlglot/dataframe/sql/functions.py
+++ b/sqlglot/dataframe/sql/functions.py
@@ -954,10 +954,12 @@ def array_join(
     col: ColumnOrName, delimiter: str, null_replacement: t.Optional[str] = None
 ) -> Column:
     if null_replacement is not None:
-        return Column.invoke_anonymous_function(
-            col, "ARRAY_JOIN", lit(delimiter), lit(null_replacement)
+        return Column.invoke_expression_over_column(
+            col, expression.ArrayJoin, expression=lit(delimiter), null=lit(null_replacement)
         )
-    return Column.invoke_anonymous_function(col, "ARRAY_JOIN", lit(delimiter))
+    return Column.invoke_expression_over_column(
+        col, expression.ArrayJoin, expression=lit(delimiter)
+    )
 
 
 def concat(*cols: ColumnOrName) -> Column:
diff --git a/sqlglot/dialects/bigquery.py b/sqlglot/dialects/bigquery.py
index 32b5147..a3869c6 100644
--- a/sqlglot/dialects/bigquery.py
+++ b/sqlglot/dialects/bigquery.py
@@ -213,7 +213,11 @@ class BigQuery(Dialect):
             ),
         }
 
+        INTEGER_DIVISION = False
+
     class Generator(generator.Generator):
+        INTEGER_DIVISION = False
+
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,  # type: ignore
             **transforms.REMOVE_PRECISION_PARAMETERIZED_TYPES,  # type: ignore
diff --git a/sqlglot/dialects/clickhouse.py b/sqlglot/dialects/clickhouse.py
index b553df2..a78d4db 100644
--- a/sqlglot/dialects/clickhouse.py
+++ b/sqlglot/dialects/clickhouse.py
@@ -56,6 +56,8 @@ class ClickHouse(Dialect):
 
         TABLE_ALIAS_TOKENS = {*parser.Parser.TABLE_ALIAS_TOKENS} - {TokenType.ANY}  # type: ignore
 
+        INTEGER_DIVISION = False
+
         def _parse_in(
             self, this: t.Optional[exp.Expression], is_global: bool = False
         ) -> exp.Expression:
@@ -94,6 +96,7 @@ class ClickHouse(Dialect):
 
     class Generator(generator.Generator):
         STRUCT_DELIMITER = ("(", ")")
+        INTEGER_DIVISION = False
 
         TYPE_MAPPING = {
             **generator.Generator.TYPE_MAPPING,  # type: ignore
diff --git a/sqlglot/dialects/dialect.py b/sqlglot/dialects/dialect.py
index af36256..6939705 100644
--- a/sqlglot/dialects/dialect.py
+++ b/sqlglot/dialects/dialect.py
@@ -360,10 +360,9 @@ def create_with_partitions_sql(self: Generator, expression: exp.Create) -> str:
     if has_schema and is_partitionable:
         expression = expression.copy()
         prop = expression.find(exp.PartitionedByProperty)
-        this = prop and prop.this
-        if prop and not isinstance(this, exp.Schema):
+        if prop and prop.this and not isinstance(prop.this, exp.Schema):
             schema = expression.this
-            columns = {v.name.upper() for v in this.expressions}
+            columns = {v.name.upper() for v in prop.this.expressions}
             partitions = [col for col in schema.expressions if col.name.upper() in columns]
             schema.set("expressions", [e for e in schema.expressions if e not in partitions])
             prop.replace(exp.PartitionedByProperty(this=exp.Schema(expressions=partitions)))
diff --git a/sqlglot/dialects/duckdb.py b/sqlglot/dialects/duckdb.py
index 6144101..c2755cd 100644
--- a/sqlglot/dialects/duckdb.py
+++ b/sqlglot/dialects/duckdb.py
@@ -83,6 +83,7 @@ class DuckDB(Dialect):
             ":=": TokenType.EQ,
             "ATTACH": TokenType.COMMAND,
             "CHARACTER VARYING": TokenType.VARCHAR,
+            "EXCLUDE": TokenType.EXCEPT,
         }
 
     class Parser(parser.Parser):
@@ -173,3 +174,8 @@ class DuckDB(Dialect):
             exp.DataType.Type.VARCHAR: "TEXT",
             exp.DataType.Type.NVARCHAR: "TEXT",
         }
+
+        STAR_MAPPING = {
+            **generator.Generator.STAR_MAPPING,
+            "except": "EXCLUDE",
+        }
diff --git a/sqlglot/dialects/hive.py b/sqlglot/dialects/hive.py
index ea1191e..44cd875 100644
--- a/sqlglot/dialects/hive.py
+++ b/sqlglot/dialects/hive.py
@@ -256,7 +256,11 @@ class Hive(Dialect):
             ),
         }
 
+        INTEGER_DIVISION = False
+
     class Generator(generator.Generator):
+        INTEGER_DIVISION = False
+
         TYPE_MAPPING = {
             **generator.Generator.TYPE_MAPPING,  # type: ignore
             exp.DataType.Type.TEXT: "STRING",
diff --git a/sqlglot/dialects/mysql.py b/sqlglot/dialects/mysql.py
index 836bf3c..b1e20bd 100644
--- a/sqlglot/dialects/mysql.py
+++ b/sqlglot/dialects/mysql.py
@@ -300,6 +300,8 @@ class MySQL(Dialect):
             "READ ONLY",
         }
 
+        INTEGER_DIVISION = False
+
         def _parse_show_mysql(self, this, target=False, full=None, global_=None):
             if target:
                 if isinstance(target, str):
@@ -432,6 +434,7 @@ class MySQL(Dialect):
     class Generator(generator.Generator):
         LOCKING_READS_SUPPORTED = True
         NULL_ORDERING_SUPPORTED = False
+        INTEGER_DIVISION = False
 
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,  # type: ignore
diff --git a/sqlglot/dialects/oracle.py b/sqlglot/dialects/oracle.py
index 74baa8a..795bbeb 100644
--- a/sqlglot/dialects/oracle.py
+++ b/sqlglot/dialects/oracle.py
@@ -82,8 +82,17 @@ class Oracle(Dialect):
             "XMLTABLE": _parse_xml_table,
         }
 
+        INTEGER_DIVISION = False
+
+        def _parse_column(self) -> t.Optional[exp.Expression]:
+            column = super()._parse_column()
+            if column:
+                column.set("join_mark", self._match(TokenType.JOIN_MARKER))
+            return column
+
     class Generator(generator.Generator):
         LOCKING_READS_SUPPORTED = True
+        INTEGER_DIVISION = False
 
         TYPE_MAPPING = {
             **generator.Generator.TYPE_MAPPING,  # type: ignore
@@ -108,6 +117,8 @@ class Oracle(Dialect):
             exp.Trim: trim_sql,
             exp.Matches: rename_func("DECODE"),
             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.Table: lambda self, e: self.table_sql(e, sep=" "),
             exp.TimeToStr: lambda self, e: f"TO_CHAR({self.sql(e, 'this')}, {self.format_time(e)})",
             exp.UnixToTime: lambda self, e: f"TO_DATE('1970-01-01','YYYY-MM-DD') + ({self.sql(e, 'this')} / 86400)",
             exp.Substring: rename_func("SUBSTR"),
@@ -139,8 +150,9 @@ class Oracle(Dialect):
         def offset_sql(self, expression: exp.Offset) -> str:
             return f"{super().offset_sql(expression)} ROWS"
 
-        def table_sql(self, expression: exp.Table, sep: str = " ") -> str:
-            return super().table_sql(expression, sep=sep)
+        def column_sql(self, expression: exp.Column) -> str:
+            column = super().column_sql(expression)
+            return f"{column} (+)" if expression.args.get("join_mark") else column
 
         def xmltable_sql(self, expression: exp.XMLTable) -> str:
             this = self.sql(expression, "this")
@@ -156,6 +168,7 @@ class Oracle(Dialect):
     class Tokenizer(tokens.Tokenizer):
         KEYWORDS = {
             **tokens.Tokenizer.KEYWORDS,
+            "(+)": TokenType.JOIN_MARKER,
             "COLUMNS": TokenType.COLUMN,
             "MATCH_RECOGNIZE": TokenType.MATCH_RECOGNIZE,
             "MINUS": TokenType.EXCEPT,
diff --git a/sqlglot/dialects/postgres.py b/sqlglot/dialects/postgres.py
index 3507cb5..35076db 100644
--- a/sqlglot/dialects/postgres.py
+++ b/sqlglot/dialects/postgres.py
@@ -222,10 +222,8 @@ class Postgres(Dialect):
             "BEGIN TRANSACTION": TokenType.BEGIN,
             "BIGSERIAL": TokenType.BIGSERIAL,
             "CHARACTER VARYING": TokenType.VARCHAR,
-            "COMMENT ON": TokenType.COMMAND,
             "DECLARE": TokenType.COMMAND,
             "DO": TokenType.COMMAND,
-            "GRANT": TokenType.COMMAND,
             "HSTORE": TokenType.HSTORE,
             "JSONB": TokenType.JSONB,
             "REFRESH": TokenType.COMMAND,
@@ -260,10 +258,7 @@ class Postgres(Dialect):
             TokenType.HASH: exp.BitwiseXor,
         }
 
-        FACTOR = {
-            **parser.Parser.FACTOR,  # type: ignore
-            TokenType.CARET: exp.Pow,
-        }
+        FACTOR = {**parser.Parser.FACTOR, TokenType.CARET: exp.Pow}
 
     class Generator(generator.Generator):
         LOCKING_READS_SUPPORTED = True
diff --git a/sqlglot/dialects/snowflake.py b/sqlglot/dialects/snowflake.py
index 5931364..4a090c2 100644
--- a/sqlglot/dialects/snowflake.py
+++ b/sqlglot/dialects/snowflake.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,
@@ -104,6 +106,20 @@ def _parse_date_part(self):
     return self.expression(exp.Extract, this=this, expression=expression)
 
 
+# https://docs.snowflake.com/en/sql-reference/functions/div0
+def _div0_to_if(args):
+    cond = exp.EQ(this=seq_get(args, 1), expression=exp.Literal.number(0))
+    true = exp.Literal.number(0)
+    false = exp.FloatDiv(this=seq_get(args, 0), expression=seq_get(args, 1))
+    return exp.If(this=cond, true=true, false=false)
+
+
+# https://docs.snowflake.com/en/sql-reference/functions/zeroifnull
+def _zeroifnull_to_if(args):
+    cond = exp.EQ(this=seq_get(args, 0), expression=exp.Null())
+    return exp.If(this=cond, true=exp.Literal.number(0), false=seq_get(args, 0))
+
+
 def _datatype_sql(self, expression):
     if expression.this == exp.DataType.Type.ARRAY:
         return "ARRAY"
@@ -150,16 +166,20 @@ class Snowflake(Dialect):
         FUNCTIONS = {
             **parser.Parser.FUNCTIONS,
             "ARRAYAGG": exp.ArrayAgg.from_arg_list,
+            "ARRAY_TO_STRING": exp.ArrayJoin.from_arg_list,
             "DATE_TRUNC": lambda args: exp.DateTrunc(
                 unit=exp.Literal.string(seq_get(args, 0).name),  # type: ignore
                 this=seq_get(args, 1),
             ),
+            "DIV0": _div0_to_if,
             "IFF": exp.If.from_arg_list,
+            "TO_ARRAY": exp.Array.from_arg_list,
             "TO_TIMESTAMP": _snowflake_to_timestamp,
             "ARRAY_CONSTRUCT": exp.Array.from_arg_list,
             "RLIKE": exp.RegexpLike.from_arg_list,
             "DECODE": exp.Matches.from_arg_list,
             "OBJECT_CONSTRUCT": parser.parse_var_map,
+            "ZEROIFNULL": _zeroifnull_to_if,
         }
 
         FUNCTION_PARSERS = {
@@ -193,6 +213,19 @@ class Snowflake(Dialect):
             ),
         }
 
+        ALTER_PARSERS = {
+            **parser.Parser.ALTER_PARSERS,  # type: ignore
+            "UNSET": lambda self: self._parse_alter_table_set_tag(unset=True),
+            "SET": lambda self: self._parse_alter_table_set_tag(),
+        }
+
+        INTEGER_DIVISION = False
+
+        def _parse_alter_table_set_tag(self, unset: bool = False) -> exp.Expression:
+            self._match_text_seq("TAG")
+            parser = t.cast(t.Callable, self._parse_id_var if unset else self._parse_conjunction)
+            return self.expression(exp.SetTag, expressions=self._parse_csv(parser), unset=unset)
+
     class Tokenizer(tokens.Tokenizer):
         QUOTES = ["'", "$$"]
         STRING_ESCAPES = ["\\", "'"]
@@ -220,12 +253,14 @@ class Snowflake(Dialect):
 
     class Generator(generator.Generator):
         PARAMETER_TOKEN = "$"
+        INTEGER_DIVISION = False
 
         TRANSFORMS = {
             **generator.Generator.TRANSFORMS,  # type: ignore
             exp.Array: inline_array_sql,
             exp.ArrayConcat: rename_func("ARRAY_CAT"),
-            exp.DateAdd: rename_func("DATEADD"),
+            exp.ArrayJoin: rename_func("ARRAY_TO_STRING"),
+            exp.DateAdd: lambda self, e: self.func("DATEADD", e.text("unit"), e.expression, e.this),
             exp.DateStrToDate: datestrtodate_sql,
             exp.DataType: _datatype_sql,
             exp.If: rename_func("IFF"),
@@ -294,6 +329,10 @@ class Snowflake(Dialect):
                 return self.no_identify(lambda: super(self.__class__, self).values_sql(expression))
             return super().values_sql(expression)
 
+        def settag_sql(self, expression: exp.SetTag) -> str:
+            action = "UNSET" if expression.args.get("unset") else "SET"
+            return f"{action} TAG {self.expressions(expression)}"
+
         def select_sql(self, expression: exp.Select) -> str:
             """Due to a bug in Snowflake we want to make sure that all columns in a VALUES table alias are unquoted and also
             that all columns in a SELECT are unquoted. We also want to make sure that after we find matches where we need
diff --git a/sqlglot/dialects/teradata.py b/sqlglot/dialects/teradata.py
index 7953bc5..415681c 100644
--- a/sqlglot/dialects/teradata.py
+++ b/sqlglot/dialects/teradata.py
@@ -74,6 +74,7 @@ class Teradata(Dialect):
 
         FUNCTION_PARSERS = {
             **parser.Parser.FUNCTION_PARSERS,  # type: ignore
+            "RANGE_N": lambda self: self._parse_rangen(),
             "TRANSLATE": lambda self: self._parse_translate(self.STRICT_CAST),
         }
 
@@ -105,6 +106,15 @@ class Teradata(Dialect):
                 },
             )
 
+        def _parse_rangen(self):
+            this = self._parse_id_var()
+            self._match(TokenType.BETWEEN)
+
+            expressions = self._parse_csv(self._parse_conjunction)
+            each = self._match_text_seq("EACH") and self._parse_conjunction()
+
+            return self.expression(exp.RangeN, this=this, expressions=expressions, each=each)
+
     class Generator(generator.Generator):
         TYPE_MAPPING = {
             **generator.Generator.TYPE_MAPPING,  # type: ignore
@@ -114,7 +124,6 @@ class Teradata(Dialect):
         PROPERTIES_LOCATION = {
             **generator.Generator.PROPERTIES_LOCATION,  # type: ignore
             exp.PartitionedByProperty: exp.Properties.Location.POST_INDEX,
-            exp.VolatilityProperty: exp.Properties.Location.POST_CREATE,
         }
 
         def partitionedbyproperty_sql(self, expression: exp.PartitionedByProperty) -> str:
@@ -137,3 +146,11 @@ class Teradata(Dialect):
             type_sql = super().datatype_sql(expression)
             prefix_sql = expression.args.get("prefix")
             return f"SYSUDTLIB.{type_sql}" if prefix_sql else type_sql
+
+        def rangen_sql(self, expression: exp.RangeN) -> str:
+            this = self.sql(expression, "this")
+            expressions_sql = self.expressions(expression)
+            each_sql = self.sql(expression, "each")
+            each_sql = f" EACH {each_sql}" if each_sql else ""
+
+            return f"RANGE_N({this} BETWEEN {expressions_sql}{each_sql})"
diff --git a/sqlglot/expressions.py b/sqlglot/expressions.py
index 59881d6..00a3b45 100644
--- a/sqlglot/expressions.py
+++ b/sqlglot/expressions.py
@@ -35,6 +35,8 @@ from sqlglot.tokens import Token
 if t.TYPE_CHECKING:
     from sqlglot.dialects.dialect import DialectType
 
+E = t.TypeVar("E", bound="Expression")
+
 
 class _Expression(type):
     def __new__(cls, clsname, bases, attrs):
@@ -293,7 +295,7 @@ class Expression(metaclass=_Expression):
             return self.parent.depth + 1
         return 0
 
-    def find(self, *expression_types, bfs=True):
+    def find(self, *expression_types: t.Type[E], bfs=True) -> E | None:
         """
         Returns the first node in this tree which matches at least one of
         the specified types.
@@ -306,7 +308,7 @@ class Expression(metaclass=_Expression):
         """
         return next(self.find_all(*expression_types, bfs=bfs), None)
 
-    def find_all(self, *expression_types, bfs=True):
+    def find_all(self, *expression_types: t.Type[E], bfs=True) -> t.Iterator[E]:
         """
         Returns a generator object which visits all nodes in this tree and only
         yields those that match at least one of the specified expression types.
@@ -321,7 +323,7 @@ class Expression(metaclass=_Expression):
             if isinstance(expression, expression_types):
                 yield expression
 
-    def find_ancestor(self, *expression_types):
+    def find_ancestor(self, *expression_types: t.Type[E]) -> E | None:
         """
         Returns a nearest parent matching expression_types.
 
@@ -334,7 +336,8 @@ class Expression(metaclass=_Expression):
         ancestor = self.parent
         while ancestor and not isinstance(ancestor, expression_types):
             ancestor = ancestor.parent
-        return ancestor
+        # ignore type because mypy doesn't know that we're checking type in the loop
+        return ancestor  # type: ignore[return-value]
 
     @property
     def parent_select(self):
@@ -794,6 +797,7 @@ class Create(Expression):
         "properties": False,
         "replace": False,
         "unique": False,
+        "volatile": False,
         "indexes": False,
         "no_schema_binding": False,
         "begin": False,
@@ -883,7 +887,7 @@ class ByteString(Condition):
 
 
 class Column(Condition):
-    arg_types = {"this": True, "table": False, "db": False, "catalog": False}
+    arg_types = {"this": True, "table": False, "db": False, "catalog": False, "join_mark": False}
 
     @property
     def table(self) -> str:
@@ -926,6 +930,14 @@ class RenameTable(Expression):
     pass
 
 
+class SetTag(Expression):
+    arg_types = {"expressions": True, "unset": False}
+
+
+class Comment(Expression):
+    arg_types = {"this": True, "kind": True, "expression": True, "exists": False}
+
+
 class ColumnConstraint(Expression):
     arg_types = {"this": False, "kind": True}
 
@@ -2829,6 +2841,14 @@ class Div(Binary):
     pass
 
 
+class FloatDiv(Binary):
+    pass
+
+
+class Overlaps(Binary):
+    pass
+
+
 class Dot(Binary):
     @property
     def name(self) -> str:
@@ -3125,6 +3145,10 @@ class ArrayFilter(Func):
     _sql_names = ["FILTER", "ARRAY_FILTER"]
 
 
+class ArrayJoin(Func):
+    arg_types = {"this": True, "expression": True, "null": False}
+
+
 class ArraySize(Func):
     arg_types = {"this": True, "expression": False}
 
@@ -3510,6 +3534,10 @@ class ApproxQuantile(Quantile):
     arg_types = {"this": True, "quantile": True, "accuracy": False, "weight": False}
 
 
+class RangeN(Func):
+    arg_types = {"this": True, "expressions": True, "each": False}
+
+
 class ReadCSV(Func):
     _sql_names = ["READ_CSV"]
     is_var_len_args = True
diff --git a/sqlglot/generator.py b/sqlglot/generator.py
index 0a7a81f..79501ef 100644
--- a/sqlglot/generator.py
+++ b/sqlglot/generator.py
@@ -109,6 +109,9 @@ class Generator:
     # Whether or not create function uses an AS before the RETURN
     CREATE_FUNCTION_RETURN_AS = True
 
+    # Whether or not to treat the division operator "/" as integer division
+    INTEGER_DIVISION = True
+
     TYPE_MAPPING = {
         exp.DataType.Type.NCHAR: "CHAR",
         exp.DataType.Type.NVARCHAR: "VARCHAR",
@@ -550,14 +553,17 @@ class Generator:
                 else:
                     expression_sql = f" AS{expression_sql}"
 
-        replace = " OR REPLACE" if expression.args.get("replace") else ""
-        unique = " UNIQUE" if expression.args.get("unique") else ""
-        exists_sql = " IF NOT EXISTS" if expression.args.get("exists") else ""
+        postindex_props_sql = ""
+        if properties_locs.get(exp.Properties.Location.POST_INDEX):
+            postindex_props_sql = self.properties(
+                exp.Properties(expressions=properties_locs[exp.Properties.Location.POST_INDEX]),
+                wrapped=False,
+                prefix=" ",
+            )
 
         indexes = expression.args.get("indexes")
-        index_sql = ""
         if indexes:
-            indexes_sql = []
+            indexes_sql: t.List[str] = []
             for index in indexes:
                 ind_unique = " UNIQUE" if index.args.get("unique") else ""
                 ind_primary = " PRIMARY" if index.args.get("primary") else ""
@@ -568,21 +574,24 @@ class Generator:
                     if index.args.get("columns")
                     else ""
                 )
-                if index.args.get("primary") and properties_locs.get(
-                    exp.Properties.Location.POST_INDEX
-                ):
-                    postindex_props_sql = self.properties(
-                        exp.Properties(
-                            expressions=properties_locs[exp.Properties.Location.POST_INDEX]
-                        ),
-                        wrapped=False,
+                ind_sql = f"{ind_unique}{ind_primary}{ind_amp} INDEX{ind_name}{ind_columns}"
+
+                if indexes_sql:
+                    indexes_sql.append(ind_sql)
+                else:
+                    indexes_sql.append(
+                        f"{ind_sql}{postindex_props_sql}"
+                        if index.args.get("primary")
+                        else f"{postindex_props_sql}{ind_sql}"
                     )
-                    ind_columns = f"{ind_columns} {postindex_props_sql}"
 
-                indexes_sql.append(
-                    f"{ind_unique}{ind_primary}{ind_amp} INDEX{ind_name}{ind_columns}"
-                )
             index_sql = "".join(indexes_sql)
+        else:
+            index_sql = postindex_props_sql
+
+        replace = " OR REPLACE" if expression.args.get("replace") else ""
+        unique = " UNIQUE" if expression.args.get("unique") else ""
+        volatile = " VOLATILE" if expression.args.get("volatile") else ""
 
         postcreate_props_sql = ""
         if properties_locs.get(exp.Properties.Location.POST_CREATE):
@@ -593,7 +602,7 @@ class Generator:
                 wrapped=False,
             )
 
-        modifiers = "".join((replace, unique, postcreate_props_sql))
+        modifiers = "".join((replace, unique, volatile, postcreate_props_sql))
 
         postexpression_props_sql = ""
         if properties_locs.get(exp.Properties.Location.POST_EXPRESSION):
@@ -606,6 +615,7 @@ class Generator:
                 wrapped=False,
             )
 
+        exists_sql = " IF NOT EXISTS" if expression.args.get("exists") else ""
         no_schema_binding = (
             " WITH NO SCHEMA BINDING" if expression.args.get("no_schema_binding") else ""
         )
@@ -1335,14 +1345,15 @@ class Generator:
     def placeholder_sql(self, expression: exp.Placeholder) -> str:
         return f":{expression.name}" if expression.name else "?"
 
-    def subquery_sql(self, expression: exp.Subquery) -> str:
+    def subquery_sql(self, expression: exp.Subquery, sep: str = " AS ") -> str:
         alias = self.sql(expression, "alias")
+        alias = f"{sep}{alias}" if alias else ""
 
         sql = self.query_modifiers(
             expression,
             self.wrap(expression),
             self.expressions(expression, key="pivots", sep=" "),
-            f" AS {alias}" if alias else "",
+            alias,
         )
 
         return self.prepend_ctes(expression, sql)
@@ -1643,6 +1654,13 @@ class Generator:
     def command_sql(self, expression: exp.Command) -> str:
         return f"{self.sql(expression, 'this').upper()} {expression.text('expression').strip()}"
 
+    def comment_sql(self, expression: exp.Comment) -> str:
+        this = self.sql(expression, "this")
+        kind = expression.args["kind"]
+        exists_sql = " IF EXISTS " if expression.args.get("exists") else " "
+        expression_sql = self.sql(expression, "expression")
+        return f"COMMENT{exists_sql}ON {kind} {this} IS {expression_sql}"
+
     def transaction_sql(self, *_) -> str:
         return "BEGIN"
 
@@ -1728,19 +1746,30 @@ class Generator:
         return f"{self.sql(expression, 'this')} RESPECT NULLS"
 
     def intdiv_sql(self, expression: exp.IntDiv) -> str:
-        return self.sql(
-            exp.Cast(
-                this=exp.Div(this=expression.this, expression=expression.expression),
-                to=exp.DataType(this=exp.DataType.Type.INT),
-            )
-        )
+        div = self.binary(expression, "/")
+        return self.sql(exp.Cast(this=div, to=exp.DataType.build("INT")))
 
     def dpipe_sql(self, expression: exp.DPipe) -> str:
         return self.binary(expression, "||")
 
     def div_sql(self, expression: exp.Div) -> str:
+        div = self.binary(expression, "/")
+
+        if not self.INTEGER_DIVISION:
+            return self.sql(exp.Cast(this=div, to=exp.DataType.build("INT")))
+
+        return div
+
+    def floatdiv_sql(self, expression: exp.FloatDiv) -> str:
+        if self.INTEGER_DIVISION:
+            this = exp.Cast(this=expression.this, to=exp.DataType.build("DOUBLE"))
+            return self.div_sql(exp.Div(this=this, expression=expression.expression))
+
         return self.binary(expression, "/")
 
+    def overlaps_sql(self, expression: exp.Overlaps) -> str:
+        return self.binary(expression, "OVERLAPS")
+
     def distance_sql(self, expression: exp.Distance) -> str:
         return self.binary(expression, "<->")
 
diff --git a/sqlglot/optimizer/merge_subqueries.py b/sqlglot/optimizer/merge_subqueries.py
index 16aaf17..70172f4 100644
--- a/sqlglot/optimizer/merge_subqueries.py
+++ b/sqlglot/optimizer/merge_subqueries.py
@@ -314,13 +314,27 @@ def _merge_where(outer_scope, inner_scope, from_or_join):
     if not where or not where.this:
         return
 
+    expression = outer_scope.expression
+
     if isinstance(from_or_join, exp.Join):
         # Merge predicates from an outer join to the ON clause
-        from_or_join.on(where.this, copy=False)
-        from_or_join.set("on", simplify(from_or_join.args.get("on")))
-    else:
-        outer_scope.expression.where(where.this, copy=False)
-        outer_scope.expression.set("where", simplify(outer_scope.expression.args.get("where")))
+        # if it only has columns that are already joined
+        from_ = expression.args.get("from")
+        sources = {table.alias_or_name for table in from_.expressions} if from_ else {}
+
+        for join in expression.args["joins"]:
+            source = join.alias_or_name
+            sources.add(source)
+            if source == from_or_join.alias_or_name:
+                break
+
+        if set(exp.column_table_names(where.this)) <= sources:
+            from_or_join.on(where.this, copy=False)
+            from_or_join.set("on", simplify(from_or_join.args.get("on")))
+            return
+
+    expression.where(where.this, copy=False)
+    expression.set("where", simplify(expression.args.get("where")))
 
 
 def _merge_order(outer_scope, inner_scope):
diff --git a/sqlglot/optimizer/pushdown_projections.py b/sqlglot/optimizer/pushdown_projections.py
index 3f360f9..07a1b70 100644
--- a/sqlglot/optimizer/pushdown_projections.py
+++ b/sqlglot/optimizer/pushdown_projections.py
@@ -13,7 +13,7 @@ SELECT_ALL = object()
 DEFAULT_SELECTION = lambda: alias("1", "_")
 
 
-def pushdown_projections(expression, schema=None):
+def pushdown_projections(expression, schema=None, remove_unused_selections=True):
     """
     Rewrite sqlglot AST to remove unused columns projections.
 
@@ -26,6 +26,7 @@ def pushdown_projections(expression, schema=None):
 
     Args:
         expression (sqlglot.Expression): expression to optimize
+        remove_unused_selections (bool): remove selects that are unused
     Returns:
         sqlglot.Expression: optimized expression
     """
@@ -57,7 +58,8 @@ def pushdown_projections(expression, schema=None):
                 ]
 
         if isinstance(scope.expression, exp.Select):
-            _remove_unused_selections(scope, parent_selections, schema)
+            if remove_unused_selections:
+                _remove_unused_selections(scope, parent_selections, schema)
 
             # Group columns by source name
             selects = defaultdict(set)
diff --git a/sqlglot/parser.py b/sqlglot/parser.py
index 9f32765..f39bb39 100644
--- a/sqlglot/parser.py
+++ b/sqlglot/parser.py
@@ -36,6 +36,10 @@ class _Parser(type):
         klass = super().__new__(cls, clsname, bases, attrs)
         klass._show_trie = new_trie(key.split(" ") for key in klass.SHOW_PARSERS)
         klass._set_trie = new_trie(key.split(" ") for key in klass.SET_PARSERS)
+
+        if not klass.INTEGER_DIVISION:
+            klass.FACTOR = {**klass.FACTOR, TokenType.SLASH: exp.FloatDiv}
+
         return klass
 
 
@@ -157,6 +161,21 @@ class Parser(metaclass=_Parser):
 
     RESERVED_KEYWORDS = {*Tokenizer.SINGLE_TOKENS.values(), TokenType.SELECT}
 
+    DB_CREATABLES = {
+        TokenType.DATABASE,
+        TokenType.SCHEMA,
+        TokenType.TABLE,
+        TokenType.VIEW,
+    }
+
+    CREATABLES = {
+        TokenType.COLUMN,
+        TokenType.FUNCTION,
+        TokenType.INDEX,
+        TokenType.PROCEDURE,
+        *DB_CREATABLES,
+    }
+
     ID_VAR_TOKENS = {
         TokenType.VAR,
         TokenType.ANTI,
@@ -168,8 +187,8 @@ class Parser(metaclass=_Parser):
         TokenType.CACHE,
         TokenType.CASCADE,
         TokenType.COLLATE,
-        TokenType.COLUMN,
         TokenType.COMMAND,
+        TokenType.COMMENT,
         TokenType.COMMIT,
         TokenType.COMPOUND,
         TokenType.CONSTRAINT,
@@ -186,9 +205,7 @@ class Parser(metaclass=_Parser):
         TokenType.FILTER,
         TokenType.FOLLOWING,
         TokenType.FORMAT,
-        TokenType.FUNCTION,
         TokenType.IF,
-        TokenType.INDEX,
         TokenType.ISNULL,
         TokenType.INTERVAL,
         TokenType.LAZY,
@@ -211,13 +228,11 @@ class Parser(metaclass=_Parser):
         TokenType.RIGHT,
         TokenType.ROW,
         TokenType.ROWS,
-        TokenType.SCHEMA,
         TokenType.SEED,
         TokenType.SEMI,
         TokenType.SET,
         TokenType.SHOW,
         TokenType.SORTKEY,
-        TokenType.TABLE,
         TokenType.TEMPORARY,
         TokenType.TOP,
         TokenType.TRAILING,
@@ -226,10 +241,9 @@ class Parser(metaclass=_Parser):
         TokenType.UNIQUE,
         TokenType.UNLOGGED,
         TokenType.UNPIVOT,
-        TokenType.PROCEDURE,
-        TokenType.VIEW,
         TokenType.VOLATILE,
         TokenType.WINDOW,
+        *CREATABLES,
         *SUBQUERY_PREDICATES,
         *TYPE_TOKENS,
         *NO_PAREN_FUNCTIONS,
@@ -428,6 +442,7 @@ class Parser(metaclass=_Parser):
         TokenType.BEGIN: lambda self: self._parse_transaction(),
         TokenType.CACHE: lambda self: self._parse_cache(),
         TokenType.COMMIT: lambda self: self._parse_commit_or_rollback(),
+        TokenType.COMMENT: lambda self: self._parse_comment(),
         TokenType.CREATE: lambda self: self._parse_create(),
         TokenType.DELETE: lambda self: self._parse_delete(),
         TokenType.DESC: lambda self: self._parse_describe(),
@@ -490,6 +505,9 @@ class Parser(metaclass=_Parser):
         TokenType.GLOB: lambda self, this: self._parse_escape(
             self.expression(exp.Glob, this=this, expression=self._parse_bitwise())
         ),
+        TokenType.OVERLAPS: lambda self, this: self._parse_escape(
+            self.expression(exp.Overlaps, this=this, expression=self._parse_bitwise())
+        ),
         TokenType.IN: lambda self, this: self._parse_in(this),
         TokenType.IS: lambda self, this: self._parse_is(this),
         TokenType.LIKE: lambda self, this: self._parse_escape(
@@ -628,6 +646,14 @@ class Parser(metaclass=_Parser):
         "UPPERCASE": lambda self: self.expression(exp.UppercaseColumnConstraint),
     }
 
+    ALTER_PARSERS = {
+        "ADD": lambda self: self._parse_alter_table_add(),
+        "ALTER": lambda self: self._parse_alter_table_alter(),
+        "DELETE": lambda self: self.expression(exp.Delete, where=self._parse_where()),
+        "DROP": lambda self: self._parse_alter_table_drop(),
+        "RENAME": lambda self: self._parse_alter_table_rename(),
+    }
+
     SCHEMA_UNNAMED_CONSTRAINTS = {"CHECK", "FOREIGN KEY", "LIKE", "PRIMARY KEY", "UNIQUE"}
 
     NO_PAREN_FUNCTION_PARSERS = {
@@ -669,16 +695,6 @@ class Parser(metaclass=_Parser):
 
     MODIFIABLES = (exp.Subquery, exp.Subqueryable, exp.Table)
 
-    CREATABLES = {
-        TokenType.COLUMN,
-        TokenType.FUNCTION,
-        TokenType.INDEX,
-        TokenType.PROCEDURE,
-        TokenType.SCHEMA,
-        TokenType.TABLE,
-        TokenType.VIEW,
-    }
-
     TRANSACTION_KIND = {"DEFERRED", "IMMEDIATE", "EXCLUSIVE"}
 
     INSERT_ALTERNATIVES = {"ABORT", "FAIL", "IGNORE", "REPLACE", "ROLLBACK"}
@@ -689,6 +705,8 @@ class Parser(metaclass=_Parser):
 
     STRICT_CAST = True
 
+    INTEGER_DIVISION = True
+
     __slots__ = (
         "error_level",
         "error_message_context",
@@ -940,6 +958,32 @@ class Parser(metaclass=_Parser):
     def _parse_command(self) -> exp.Expression:
         return self.expression(exp.Command, this=self._prev.text, expression=self._parse_string())
 
+    def _parse_comment(self, allow_exists: bool = True) -> exp.Expression:
+        start = self._prev
+        exists = self._parse_exists() if allow_exists else None
+
+        self._match(TokenType.ON)
+
+        kind = self._match_set(self.CREATABLES) and self._prev
+
+        if not kind:
+            return self._parse_as_command(start)
+
+        if kind.token_type in (TokenType.FUNCTION, TokenType.PROCEDURE):
+            this = self._parse_user_defined_function(kind=kind.token_type)
+        elif kind.token_type == TokenType.TABLE:
+            this = self._parse_table()
+        elif kind.token_type == TokenType.COLUMN:
+            this = self._parse_column()
+        else:
+            this = self._parse_id_var()
+
+        self._match(TokenType.IS)
+
+        return self.expression(
+            exp.Comment, this=this, kind=kind.text, expression=self._parse_string(), exists=exists
+        )
+
     def _parse_statement(self) -> t.Optional[exp.Expression]:
         if self._curr is None:
             return None
@@ -990,6 +1034,7 @@ class Parser(metaclass=_Parser):
             TokenType.OR, TokenType.REPLACE
         )
         unique = self._match(TokenType.UNIQUE)
+        volatile = self._match(TokenType.VOLATILE)
 
         if self._match_pair(TokenType.TABLE, TokenType.FUNCTION, advance=False):
             self._match(TokenType.TABLE)
@@ -1028,11 +1073,7 @@ class Parser(metaclass=_Parser):
                 expression = self.expression(exp.Return, this=expression)
         elif create_token.token_type == TokenType.INDEX:
             this = self._parse_index()
-        elif create_token.token_type in (
-            TokenType.TABLE,
-            TokenType.VIEW,
-            TokenType.SCHEMA,
-        ):
+        elif create_token.token_type in self.DB_CREATABLES:
             table_parts = self._parse_table_parts(schema=True)
 
             # exp.Properties.Location.POST_NAME
@@ -1100,11 +1141,12 @@ class Parser(metaclass=_Parser):
             exp.Create,
             this=this,
             kind=create_token.text,
+            replace=replace,
             unique=unique,
+            volatile=volatile,
             expression=expression,
             exists=exists,
             properties=properties,
-            replace=replace,
             indexes=indexes,
             no_schema_binding=no_schema_binding,
             begin=begin,
@@ -3648,6 +3690,47 @@ class Parser(metaclass=_Parser):
 
         return self.expression(exp.AddConstraint, this=this, expression=expression)
 
+    def _parse_alter_table_add(self) -> t.List[t.Optional[exp.Expression]]:
+        index = self._index - 1
+
+        if self._match_set(self.ADD_CONSTRAINT_TOKENS):
+            return self._parse_csv(self._parse_add_constraint)
+
+        self._retreat(index)
+        return self._parse_csv(self._parse_add_column)
+
+    def _parse_alter_table_alter(self) -> exp.Expression:
+        self._match(TokenType.COLUMN)
+        column = self._parse_field(any_token=True)
+
+        if self._match_pair(TokenType.DROP, TokenType.DEFAULT):
+            return self.expression(exp.AlterColumn, this=column, drop=True)
+        if self._match_pair(TokenType.SET, TokenType.DEFAULT):
+            return self.expression(exp.AlterColumn, this=column, default=self._parse_conjunction())
+
+        self._match_text_seq("SET", "DATA")
+        return self.expression(
+            exp.AlterColumn,
+            this=column,
+            dtype=self._match_text_seq("TYPE") and self._parse_types(),
+            collate=self._match(TokenType.COLLATE) and self._parse_term(),
+            using=self._match(TokenType.USING) and self._parse_conjunction(),
+        )
+
+    def _parse_alter_table_drop(self) -> t.List[t.Optional[exp.Expression]]:
+        index = self._index - 1
+
+        partition_exists = self._parse_exists()
+        if self._match(TokenType.PARTITION, advance=False):
+            return self._parse_csv(lambda: self._parse_drop_partition(exists=partition_exists))
+
+        self._retreat(index)
+        return self._parse_csv(self._parse_drop_column)
+
+    def _parse_alter_table_rename(self) -> exp.Expression:
+        self._match_text_seq("TO")
+        return self.expression(exp.RenameTable, this=self._parse_table(schema=True))
+
     def _parse_alter(self) -> t.Optional[exp.Expression]:
         if not self._match(TokenType.TABLE):
             return self._parse_as_command(self._prev)
@@ -3655,50 +3738,12 @@ class Parser(metaclass=_Parser):
         exists = self._parse_exists()
         this = self._parse_table(schema=True)
 
-        actions: t.Optional[exp.Expression | t.List[t.Optional[exp.Expression]]] = None
-
-        index = self._index
-        if self._match(TokenType.DELETE):
-            actions = [self.expression(exp.Delete, where=self._parse_where())]
-        elif self._match_text_seq("ADD"):
-            if self._match_set(self.ADD_CONSTRAINT_TOKENS):
-                actions = self._parse_csv(self._parse_add_constraint)
-            else:
-                self._retreat(index)
-                actions = self._parse_csv(self._parse_add_column)
-        elif self._match_text_seq("DROP"):
-            partition_exists = self._parse_exists()
+        if not self._curr:
+            return None
 
-            if self._match(TokenType.PARTITION, advance=False):
-                actions = self._parse_csv(
-                    lambda: self._parse_drop_partition(exists=partition_exists)
-                )
-            else:
-                self._retreat(index)
-                actions = self._parse_csv(self._parse_drop_column)
-        elif self._match_text_seq("RENAME", "TO"):
-            actions = self.expression(exp.RenameTable, this=self._parse_table(schema=True))
-        elif self._match_text_seq("ALTER"):
-            self._match(TokenType.COLUMN)
-            column = self._parse_field(any_token=True)
-
-            if self._match_pair(TokenType.DROP, TokenType.DEFAULT):
-                actions = self.expression(exp.AlterColumn, this=column, drop=True)
-            elif self._match_pair(TokenType.SET, TokenType.DEFAULT):
-                actions = self.expression(
-                    exp.AlterColumn, this=column, default=self._parse_conjunction()
-                )
-            else:
-                self._match_text_seq("SET", "DATA")
-                actions = self.expression(
-                    exp.AlterColumn,
-                    this=column,
-                    dtype=self._match_text_seq("TYPE") and self._parse_types(),
-                    collate=self._match(TokenType.COLLATE) and self._parse_term(),
-                    using=self._match(TokenType.USING) and self._parse_conjunction(),
-                )
+        parser = self.ALTER_PARSERS.get(self._curr.text.upper())
+        actions = ensure_list(self._advance() or parser(self)) if parser else []  # type: ignore
 
-        actions = ensure_list(actions)
         return self.expression(exp.AlterTable, this=this, exists=exists, actions=actions)
 
     def _parse_show(self) -> t.Optional[exp.Expression]:
@@ -3772,7 +3817,9 @@ class Parser(metaclass=_Parser):
     def _parse_as_command(self, start: Token) -> exp.Command:
         while self._curr:
             self._advance()
-        return exp.Command(this=self._find_sql(start, self._prev))
+        text = self._find_sql(start, self._prev)
+        size = len(start.text)
+        return exp.Command(this=text[:size], expression=text[size:])
 
     def _find_parser(
         self, parsers: t.Dict[str, t.Callable], trie: t.Dict
diff --git a/sqlglot/tokens.py b/sqlglot/tokens.py
index f3f1a70..7a23803 100644
--- a/sqlglot/tokens.py
+++ b/sqlglot/tokens.py
@@ -60,6 +60,7 @@ class TokenType(AutoName):
     STRING = auto()
     NUMBER = auto()
     IDENTIFIER = auto()
+    DATABASE = auto()
     COLUMN = auto()
     COLUMN_DEF = auto()
     SCHEMA = auto()
@@ -203,6 +204,7 @@ class TokenType(AutoName):
     IS = auto()
     ISNULL = auto()
     JOIN = auto()
+    JOIN_MARKER = auto()
     LANGUAGE = auto()
     LATERAL = auto()
     LAZY = auto()
@@ -235,6 +237,7 @@ class TokenType(AutoName):
     OUTER = auto()
     OUT_OF = auto()
     OVER = auto()
+    OVERLAPS = auto()
     OVERWRITE = auto()
     PARTITION = auto()
     PARTITION_BY = auto()
@@ -491,6 +494,7 @@ class Tokenizer(metaclass=_Tokenizer):
         "CURRENT_DATE": TokenType.CURRENT_DATE,
         "CURRENT ROW": TokenType.CURRENT_ROW,
         "CURRENT_TIMESTAMP": TokenType.CURRENT_TIMESTAMP,
+        "DATABASE": TokenType.DATABASE,
         "DEFAULT": TokenType.DEFAULT,
         "DELETE": TokenType.DELETE,
         "DESC": TokenType.DESC,
@@ -564,6 +568,7 @@ class Tokenizer(metaclass=_Tokenizer):
         "OUTER": TokenType.OUTER,
         "OUT OF": TokenType.OUT_OF,
         "OVER": TokenType.OVER,
+        "OVERLAPS": TokenType.OVERLAPS,
         "OVERWRITE": TokenType.OVERWRITE,
         "PARTITION": TokenType.PARTITION,
         "PARTITION BY": TokenType.PARTITION_BY,
@@ -652,6 +657,7 @@ class Tokenizer(metaclass=_Tokenizer):
         "DOUBLE PRECISION": TokenType.DOUBLE,
         "JSON": TokenType.JSON,
         "CHAR": TokenType.CHAR,
+        "CHARACTER": TokenType.CHAR,
         "NCHAR": TokenType.NCHAR,
         "VARCHAR": TokenType.VARCHAR,
         "VARCHAR2": TokenType.VARCHAR,
@@ -687,8 +693,10 @@ class Tokenizer(metaclass=_Tokenizer):
         "ALTER VIEW": TokenType.COMMAND,
         "ANALYZE": TokenType.COMMAND,
         "CALL": TokenType.COMMAND,
+        "COMMENT": TokenType.COMMENT,
         "COPY": TokenType.COMMAND,
         "EXPLAIN": TokenType.COMMAND,
+        "GRANT": TokenType.COMMAND,
         "OPTIMIZE": TokenType.COMMAND,
         "PREPARE": TokenType.COMMAND,
         "TRUNCATE": TokenType.COMMAND,
diff --git a/tests/dialects/test_dialect.py b/tests/dialects/test_dialect.py
index 3186390..5054d94 100644
--- a/tests/dialects/test_dialect.py
+++ b/tests/dialects/test_dialect.py
@@ -520,7 +520,7 @@ class TestDialect(Validator):
                 "mysql": "DATE_ADD(x, INTERVAL 1 DAY)",
                 "postgres": "x + INTERVAL '1' 'day'",
                 "presto": "DATE_ADD('day', 1, x)",
-                "snowflake": "DATEADD(x, 1, 'day')",
+                "snowflake": "DATEADD(day, 1, x)",
                 "spark": "DATE_ADD(x, 1)",
                 "sqlite": "DATE(x, '1 day')",
                 "starrocks": "DATE_ADD(x, INTERVAL 1 DAY)",
@@ -1279,6 +1279,16 @@ class TestDialect(Validator):
                 "sqlite": "SELECT y AS x FROM my_table AS t",
             },
         )
+        self.validate_all(
+            "SELECT * FROM (SELECT * FROM my_table AS t) AS tbl",
+            write={
+                "drill": "SELECT * FROM (SELECT * FROM my_table AS t) AS tbl",
+                "hive": "SELECT * FROM (SELECT * FROM my_table AS t) AS tbl",
+                "oracle": "SELECT * FROM (SELECT * FROM my_table t) tbl",
+                "postgres": "SELECT * FROM (SELECT * FROM my_table AS t) AS tbl",
+                "sqlite": "SELECT * FROM (SELECT * FROM my_table AS t) AS tbl",
+            },
+        )
         self.validate_all(
             "WITH cte1 AS (SELECT a, b FROM table1), cte2 AS (SELECT c, e AS d FROM table2) SELECT b, d AS dd FROM cte1 AS t JOIN cte2 WHERE cte1.a = cte2.c",
             write={
diff --git a/tests/dialects/test_duckdb.py b/tests/dialects/test_duckdb.py
index 46e75c0..0efb7e7 100644
--- a/tests/dialects/test_duckdb.py
+++ b/tests/dialects/test_duckdb.py
@@ -21,10 +21,10 @@ class TestDuckDB(Validator):
         self.validate_all(
             "EPOCH_MS(x)",
             write={
-                "bigquery": "UNIX_TO_TIME(x / 1000)",
+                "bigquery": "UNIX_TO_TIME(CAST(x / 1000 AS INT64))",
                 "duckdb": "TO_TIMESTAMP(x / 1000)",
                 "presto": "FROM_UNIXTIME(x / 1000)",
-                "spark": "FROM_UNIXTIME(x / 1000)",
+                "spark": "FROM_UNIXTIME(CAST(x / 1000 AS INT))",
             },
         )
         self.validate_all(
diff --git a/tests/dialects/test_oracle.py b/tests/dialects/test_oracle.py
index f85a117..4dc3f1b 100644
--- a/tests/dialects/test_oracle.py
+++ b/tests/dialects/test_oracle.py
@@ -7,6 +7,11 @@ class TestOracle(Validator):
     def test_oracle(self):
         self.validate_identity("SELECT * FROM V$SESSION")
 
+    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 (+)")
+        self.validate_identity("SELECT e1.x, e2.x FROM e e1, e e2 WHERE e1.y (+) = e2.y (+)")
+
     def test_xml_table(self):
         self.validate_identity("XMLTABLE('x')")
         self.validate_identity("XMLTABLE('x' RETURNING SEQUENCE BY REF)")
diff --git a/tests/dialects/test_postgres.py b/tests/dialects/test_postgres.py
index f0117bc..5c4a23e 100644
--- a/tests/dialects/test_postgres.py
+++ b/tests/dialects/test_postgres.py
@@ -106,6 +106,47 @@ class TestPostgres(Validator):
         self.validate_identity("x ~ 'y'")
         self.validate_identity("x ~* 'y'")
 
+        self.validate_all(
+            "1 / 2",
+            read={
+                "drill": "1 / 2",
+                "duckdb": "1 / 2",
+                "postgres": "1 / 2",
+                "presto": "1 / 2",
+                "redshift": "1 / 2",
+                "sqlite": "1 / 2",
+                "teradata": "1 / 2",
+                "trino": "1 / 2",
+                "tsql": "1 / 2",
+            },
+            write={
+                "drill": "1 / 2",
+                "duckdb": "1 / 2",
+                "postgres": "1 / 2",
+                "presto": "1 / 2",
+                "redshift": "1 / 2",
+                "sqlite": "1 / 2",
+                "teradata": "1 / 2",
+                "trino": "1 / 2",
+                "tsql": "1 / 2",
+                "bigquery": "CAST(1 / 2 AS INT64)",
+                "clickhouse": "CAST(1 / 2 AS Int32)",
+                "databricks": "CAST(1 / 2 AS INT)",
+                "hive": "CAST(1 / 2 AS INT)",
+                "mysql": "CAST(1 / 2 AS INT)",
+                "oracle": "CAST(1 / 2 AS NUMBER)",
+                "snowflake": "CAST(1 / 2 AS INT)",
+                "spark": "CAST(1 / 2 AS INT)",
+                "starrocks": "CAST(1 / 2 AS INT)",
+            },
+        )
+        self.validate_all(
+            "SELECT (DATE '2016-01-10', DATE '2016-02-01') OVERLAPS (DATE '2016-01-20', DATE '2016-02-10')",
+            write={
+                "postgres": "SELECT (CAST('2016-01-10' AS DATE), CAST('2016-02-01' AS DATE)) OVERLAPS (CAST('2016-01-20' AS DATE), CAST('2016-02-10' AS DATE))",
+                "tsql": "SELECT (CAST('2016-01-10' AS DATE), CAST('2016-02-01' AS DATE)) OVERLAPS (CAST('2016-01-20' AS DATE), CAST('2016-02-10' AS DATE))",
+            },
+        )
         self.validate_all(
             "x ^ y",
             write={
diff --git a/tests/dialects/test_redshift.py b/tests/dialects/test_redshift.py
index fa4d422..640706a 100644
--- a/tests/dialects/test_redshift.py
+++ b/tests/dialects/test_redshift.py
@@ -38,6 +38,12 @@ class TestRedshift(Validator):
                 "redshift": "SELECT CAST('abc' AS VARBYTE)",
             },
         )
+        self.validate_all(
+            "SELECT 'abc'::CHARACTER",
+            write={
+                "redshift": "SELECT CAST('abc' AS CHAR)",
+            },
+        )
         self.validate_all(
             "SELECT * FROM venue WHERE (venuecity, venuestate) IN (('Miami', 'FL'), ('Tampa', 'FL')) ORDER BY venueid",
             write={
diff --git a/tests/dialects/test_snowflake.py b/tests/dialects/test_snowflake.py
index a934c78..3358227 100644
--- a/tests/dialects/test_snowflake.py
+++ b/tests/dialects/test_snowflake.py
@@ -10,10 +10,58 @@ class TestSnowflake(Validator):
         self.validate_identity("SELECT REGEXP_LIKE(a, b, c)")
         self.validate_identity("PUT file:///dir/tmp.csv @%table")
         self.validate_identity("CREATE TABLE foo (bar FLOAT AUTOINCREMENT START 0 INCREMENT 1)")
+        self.validate_identity("ALTER TABLE IF EXISTS foo SET TAG a = 'a', b = 'b', c = 'c'")
+        self.validate_identity("ALTER TABLE foo UNSET TAG a, b, c")
         self.validate_identity(
             'COPY INTO NEW_TABLE ("foo", "bar") FROM (SELECT $1, $2, $3, $4 FROM @%old_table)'
         )
+        self.validate_identity("COMMENT IF EXISTS ON TABLE foo IS 'bar'")
 
+        self.validate_all(
+            "1 / 2",
+            read={
+                "bigquery": "1 / 2",
+                "clickhouse": "1 / 2",
+                "databricks": "1 / 2",
+                "hive": "1 / 2",
+                "mysql": "1 / 2",
+                "oracle": "1 / 2",
+                "snowflake": "1 / 2",
+                "spark": "1 / 2",
+                "starrocks": "1 / 2",
+            },
+            write={
+                "bigquery": "1 / 2",
+                "clickhouse": "1 / 2",
+                "databricks": "1 / 2",
+                "hive": "1 / 2",
+                "mysql": "1 / 2",
+                "oracle": "1 / 2",
+                "snowflake": "1 / 2",
+                "spark": "1 / 2",
+                "starrocks": "1 / 2",
+                "drill": "CAST(1 AS DOUBLE) / 2",
+                "duckdb": "CAST(1 AS DOUBLE) / 2",
+                "postgres": "CAST(1 AS DOUBLE PRECISION) / 2",
+                "presto": "CAST(1 AS DOUBLE) / 2",
+                "redshift": "CAST(1 AS DOUBLE PRECISION) / 2",
+                "sqlite": "CAST(1 AS REAL) / 2",
+                "teradata": "CAST(1 AS DOUBLE) / 2",
+                "trino": "CAST(1 AS DOUBLE) / 2",
+                "tsql": "CAST(1 AS DOUBLE) / 2",
+            },
+        )
+        self.validate_all(
+            "DIV0(foo, bar)",
+            write={
+                "snowflake": "IFF(bar = 0, 0, foo / bar)",
+                "sqlite": "CASE WHEN bar = 0 THEN 0 ELSE CAST(foo AS REAL) / bar END",
+                "presto": "IF(bar = 0, 0, CAST(foo AS DOUBLE) / bar)",
+                "spark": "IF(bar = 0, 0, foo / bar)",
+                "hive": "IF(bar = 0, 0, foo / bar)",
+                "duckdb": "CASE WHEN bar = 0 THEN 0 ELSE CAST(foo AS DOUBLE) / bar END",
+            },
+        )
         self.validate_all(
             "CREATE OR REPLACE TEMPORARY TABLE x (y NUMBER IDENTITY(0, 1))",
             write={
@@ -63,9 +111,13 @@ class TestSnowflake(Validator):
             },
         )
         self.validate_all(
-            "SELECT * EXCLUDE a, b RENAME (c AS d, E as F) FROM xxx",
+            "SELECT * EXCLUDE (a, b) RENAME (c AS d, E AS F) FROM xxx",
+            read={
+                "duckdb": "SELECT * EXCLUDE (a, b) REPLACE (c AS d, E AS F) FROM xxx",
+            },
             write={
                 "snowflake": "SELECT * EXCLUDE (a, b) RENAME (c AS d, E AS F) FROM xxx",
+                "duckdb": "SELECT * EXCLUDE (a, b) REPLACE (c AS d, E AS F) FROM xxx",
             },
         )
         self.validate_all(
@@ -170,6 +222,20 @@ class TestSnowflake(Validator):
                 "snowflake": "SELECT ARRAY_AGG(DISTINCT a)",
             },
         )
+        self.validate_all(
+            "ARRAY_TO_STRING(x, '')",
+            write={
+                "spark": "ARRAY_JOIN(x, '')",
+                "snowflake": "ARRAY_TO_STRING(x, '')",
+            },
+        )
+        self.validate_all(
+            "TO_ARRAY(x)",
+            write={
+                "spark": "ARRAY(x)",
+                "snowflake": "[x]",
+            },
+        )
         self.validate_all(
             "SELECT * FROM a INTERSECT ALL SELECT * FROM b",
             write={
diff --git a/tests/dialects/test_teradata.py b/tests/dialects/test_teradata.py
index dd251ab..5d4f7db 100644
--- a/tests/dialects/test_teradata.py
+++ b/tests/dialects/test_teradata.py
@@ -24,19 +24,21 @@ class TestTeradata(Validator):
 
     def test_create(self):
         self.validate_identity("CREATE TABLE x (y INT) PRIMARY INDEX (y) PARTITION BY y INDEX (y)")
+        self.validate_identity(
+            "CREATE TABLE a (b INT) PRIMARY INDEX (y) PARTITION BY RANGE_N(b BETWEEN 'a', 'b' AND 'c' EACH '1')"
+        )
+        self.validate_identity(
+            "CREATE TABLE a (b INT) PARTITION BY RANGE_N(b BETWEEN 0, 1 AND 2 EACH 1)"
+        )
+        self.validate_identity(
+            "CREATE TABLE a (b INT) PARTITION BY RANGE_N(b BETWEEN *, 1 AND * EACH b) INDEX (a)"
+        )
 
         self.validate_all(
             "REPLACE VIEW a AS (SELECT b FROM c)",
             write={"teradata": "CREATE OR REPLACE VIEW a AS (SELECT b FROM c)"},
         )
 
-        self.validate_all(
-            "SEL a FROM b",
-            write={"teradata": "SELECT a FROM b"},
-        )
-
-        self.validate_identity("CREATE VOLATILE TABLE a (b INT)")
-
     def test_insert(self):
         self.validate_all(
             "INS INTO x SELECT * FROM y", write={"teradata": "INSERT INTO x SELECT * FROM y"}
@@ -54,6 +56,11 @@ class TestTeradata(Validator):
         self.validate_all("a NE b", write={"teradata": "a <> b"})
         self.validate_all("a NOT= b", write={"teradata": "a <> b"})
 
+        self.validate_all(
+            "SEL a FROM b",
+            write={"teradata": "SELECT a FROM b"},
+        )
+
     def test_datatype(self):
         self.validate_all(
             "CREATE TABLE z (a ST_GEOMETRY(1))",
diff --git a/tests/fixtures/identity.sql b/tests/fixtures/identity.sql
index 5e2260c..0677a05 100644
--- a/tests/fixtures/identity.sql
+++ b/tests/fixtures/identity.sql
@@ -558,7 +558,7 @@ CREATE TABLE a, BEFORE JOURNAL, AFTER JOURNAL, FREESPACE=1, DEFAULT DATABLOCKSIZ
 CREATE TABLE a, DUAL JOURNAL, DUAL AFTER JOURNAL, MERGEBLOCKRATIO=1 PERCENT, DATABLOCKSIZE=10 KILOBYTES (a INT)
 CREATE TABLE a, DUAL BEFORE JOURNAL, LOCAL AFTER JOURNAL, MAXIMUM DATABLOCKSIZE, BLOCKCOMPRESSION=AUTOTEMP(c1 INT) (a INT)
 CREATE SET GLOBAL TEMPORARY TABLE a, NO BEFORE JOURNAL, NO AFTER JOURNAL, MINIMUM DATABLOCKSIZE, BLOCKCOMPRESSION=NEVER (a INT)
-CREATE MULTISET TABLE a, NOT LOCAL AFTER JOURNAL, FREESPACE=1 PERCENT, DATABLOCKSIZE=10 BYTES, WITH NO CONCURRENT ISOLATED LOADING FOR ALL (a INT)
+CREATE VOLATILE MULTISET TABLE a, NOT LOCAL AFTER JOURNAL, FREESPACE=1 PERCENT, DATABLOCKSIZE=10 BYTES, WITH NO CONCURRENT ISOLATED LOADING FOR ALL (a INT)
 CREATE ALGORITHM=UNDEFINED DEFINER=foo@% SQL SECURITY DEFINER VIEW a AS (SELECT a FROM b)
 CREATE TEMPORARY TABLE x AS SELECT a FROM d
 CREATE TEMPORARY TABLE IF NOT EXISTS x AS SELECT a FROM d
@@ -591,6 +591,8 @@ CREATE UNIQUE INDEX abc ON t (a, b, b)
 CREATE UNIQUE INDEX IF NOT EXISTS my_idx ON tbl (a, b)
 CREATE SCHEMA x
 CREATE SCHEMA IF NOT EXISTS y
+CREATE DATABASE x
+CREATE DATABASE IF NOT EXISTS y
 CREATE PROCEDURE IF NOT EXISTS a.b.c() AS 'DECLARE BEGIN; END'
 CREATE OR REPLACE STAGE
 DESCRIBE x
@@ -619,6 +621,7 @@ ALTER SEQUENCE IF EXISTS baz RESTART WITH boo
 ALTER TYPE electronic_mail RENAME TO email
 ALTER VIEW foo ALTER COLUMN bla SET DEFAULT 'NOT SET'
 ALTER DOMAIN foo VALIDATE CONSTRAINT bla
+ALTER schema doo
 ANALYZE a.y
 DELETE FROM x WHERE y > 1
 DELETE FROM y
@@ -671,6 +674,11 @@ UPDATE db.tbl_name SET foo = 123, foo_1 = 234 WHERE tbl_name.bar = 234
 TRUNCATE TABLE x
 OPTIMIZE TABLE y
 VACUUM FREEZE my_table
+COMMENT ON ACCESS METHOD gin IS 'GIN index access method'
+COMMENT ON COLUMN my_schema.my_table.my_column IS 'Employee ID number'
+COMMENT ON DATABASE my_database IS 'Development Database'
+COMMENT ON PROCEDURE my_proc(integer, integer) IS 'Runs a report'
+COMMENT ON TABLE my_schema.my_table IS 'Employee Information'
 WITH a AS (SELECT 1) INSERT INTO b SELECT * FROM a
 WITH a AS (SELECT * FROM b) UPDATE a SET col = 1
 WITH a AS (SELECT * FROM b) CREATE TABLE b AS SELECT * FROM a
@@ -753,3 +761,5 @@ SELECT RIGHT.FOO FROM BLA AS RIGHT
 SELECT LEFT FROM LEFT LEFT JOIN RIGHT RIGHT JOIN LEFT
 SELECT * FROM x WHERE name ILIKE ANY XXX('a', 'b')
 SELECT * FROM x WHERE name LIKE ANY XXX('a', 'b')
+a OVERLAPS b
+GRANT INSERT ON foo TO bla
diff --git a/tests/fixtures/optimizer/optimizer.sql b/tests/fixtures/optimizer/optimizer.sql
index 6ccf24e..a14e325 100644
--- a/tests/fixtures/optimizer/optimizer.sql
+++ b/tests/fixtures/optimizer/optimizer.sql
@@ -385,3 +385,48 @@ SELECT
   "x"."a" + 1 AS "b",
   "x"."b" + 1 AS "c"
 FROM "x" AS "x";
+
+# title: left join doesnt push down predicate to join in merge subqueries
+# execute: false
+SELECT
+  main_query.id,
+  main_query.score
+FROM (
+  SELECT
+    alias_1.id,
+    score
+  FROM (
+    SELECT
+      company_table.score AS score,
+      id
+    FROM company_table
+  ) AS alias_1
+  JOIN (
+    SELECT
+      id
+    FROM (
+      SELECT
+        company_table_2.id,
+        CASE WHEN unlocked.company_id IS NULL THEN 0 ELSE 1 END AS is_exported
+      FROM company_table AS company_table_2
+      LEFT JOIN unlocked AS unlocked
+        ON company_table_2.id = unlocked.company_id
+    )
+    WHERE
+      NOT id IS NULL AND is_exported = FALSE
+  ) AS alias_2
+    ON (
+      alias_1.id = alias_2.id
+    )
+) AS main_query;
+SELECT
+  "company_table"."id" AS "id",
+  "company_table"."score" AS "score"
+FROM "company_table" AS "company_table"
+JOIN "company_table" AS "company_table_2"
+  ON "company_table"."id" = "company_table_2"."id"
+LEFT JOIN "unlocked" AS "unlocked"
+  ON "company_table_2"."id" = "unlocked"."company_id"
+WHERE
+  CASE WHEN "unlocked"."company_id" IS NULL THEN 0 ELSE 1 END = FALSE
+  AND NOT "company_table_2"."id" IS NULL;
-- 
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