Adding upstream version 18.7.0.upstream/18.7.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

14 files changed, 452 insertions, 152 deletions

diff --git a/tests/dialects/test_bigquery.py b/tests/dialects/test_bigquery.py
index 448a077..1f5f902 100644
--- a/tests/dialects/test_bigquery.py
+++ b/tests/dialects/test_bigquery.py
@@ -9,36 +9,6 @@ class TestBigQuery(Validator):
     maxDiff = None
 
     def test_bigquery(self):
-        self.validate_identity("SELECT * FROM tbl FOR SYSTEM_TIME AS OF z")
-        self.validate_identity(
-            """SELECT JSON '"foo"' AS json_data""",
-            """SELECT PARSE_JSON('"foo"') AS json_data""",
-        )
-
-        self.validate_all(
-            """SELECT
-  `u`.`harness_user_email` AS `harness_user_email`,
-  `d`.`harness_user_id` AS `harness_user_id`,
-  `harness_account_id` AS `harness_account_id`
-FROM `analytics_staging`.`stg_mongodb__users` AS `u`, UNNEST(`u`.`harness_cluster_details`) AS `d`, UNNEST(`d`.`harness_account_ids`) AS `harness_account_id`
-WHERE
-  NOT `harness_account_id` IS NULL""",
-            read={
-                "": """
-                SELECT
-                  "u"."harness_user_email" AS "harness_user_email",
-                  "_q_0"."d"."harness_user_id" AS "harness_user_id",
-                  "_q_1"."harness_account_id" AS "harness_account_id"
-                FROM
-                  "analytics_staging"."stg_mongodb__users" AS "u",
-                  UNNEST("u"."harness_cluster_details") AS "_q_0"("d"),
-                  UNNEST("_q_0"."d"."harness_account_ids") AS "_q_1"("harness_account_id")
-                WHERE
-                  NOT "_q_1"."harness_account_id" IS NULL
-                """
-            },
-            pretty=True,
-        )
         with self.assertRaises(TokenError):
             transpile("'\\'", read="bigquery")
 
@@ -63,6 +33,9 @@ WHERE
         with self.assertRaises(ParseError):
             transpile("DATE_ADD(x, day)", read="bigquery")
 
+        self.validate_identity("SELECT test.Unknown FROM test")
+        self.validate_identity(r"SELECT '\n\r\a\v\f\t'")
+        self.validate_identity("SELECT * FROM tbl FOR SYSTEM_TIME AS OF z")
         self.validate_identity("STRING_AGG(DISTINCT a ORDER BY b DESC, c DESC LIMIT 10)")
         self.validate_identity("SELECT PARSE_TIMESTAMP('%c', 'Thu Dec 25 07:30:00 2008', 'UTC')")
         self.validate_identity("SELECT ANY_VALUE(fruit HAVING MAX sold) FROM fruits")
@@ -111,6 +84,7 @@ WHERE
         self.validate_identity("COMMIT TRANSACTION")
         self.validate_identity("ROLLBACK TRANSACTION")
         self.validate_identity("CAST(x AS BIGNUMERIC)")
+        self.validate_identity("SELECT y + 1 FROM x GROUP BY y + 1 ORDER BY 1")
         self.validate_identity(
             "DATE(CAST('2016-12-25 05:30:00+07' AS DATETIME), 'America/Los_Angeles')"
         )
@@ -132,6 +106,22 @@ WHERE
         self.validate_identity(
             "SELECT LAST_VALUE(a IGNORE NULLS) OVER y FROM x WINDOW y AS (PARTITION BY CATEGORY)",
         )
+        self.validate_identity(
+            "SELECT a overlaps",
+            "SELECT a AS overlaps",
+        )
+        self.validate_identity(
+            "SELECT y + 1 z FROM x GROUP BY y + 1 ORDER BY z",
+            "SELECT y + 1 AS z FROM x GROUP BY z ORDER BY z",
+        )
+        self.validate_identity(
+            "SELECT y + 1 z FROM x GROUP BY y + 1",
+            "SELECT y + 1 AS z FROM x GROUP BY y + 1",
+        )
+        self.validate_identity(
+            """SELECT JSON '"foo"' AS json_data""",
+            """SELECT PARSE_JSON('"foo"') AS json_data""",
+        )
 
         self.validate_all("SELECT SPLIT(foo)", write={"bigquery": "SELECT SPLIT(foo, ',')"})
         self.validate_all("SELECT 1 AS hash", write={"bigquery": "SELECT 1 AS `hash`"})
@@ -246,7 +236,7 @@ WHERE
             },
         )
         self.validate_all(
-            "WITH cte AS (SELECT [1, 2, 3] AS arr) SELECT col FROM cte CROSS JOIN UNNEST(arr) AS col",
+            "WITH cte AS (SELECT [1, 2, 3] AS arr) SELECT IF(pos = pos_2, col, NULL) AS col FROM cte, UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH(arr)) - 1)) AS pos CROSS JOIN UNNEST(arr) AS col WITH OFFSET AS pos_2 WHERE pos = pos_2 OR (pos > (ARRAY_LENGTH(arr) - 1) AND pos_2 = (ARRAY_LENGTH(arr) - 1))",
             read={
                 "spark": "WITH cte AS (SELECT ARRAY(1, 2, 3) AS arr) SELECT EXPLODE(arr) FROM cte"
             },
@@ -291,6 +281,10 @@ WHERE
                 "bigquery": "SELECT ARRAY(SELECT AS STRUCT 1 AS a, 2 AS b)",
             },
         )
+        self.validate_identity(
+            r"REGEXP_EXTRACT(svc_plugin_output, r'\\\((.*)')",
+            r"REGEXP_EXTRACT(svc_plugin_output, '\\\\\\((.*)')",
+        )
         self.validate_all(
             "REGEXP_CONTAINS('foo', '.*')",
             read={
@@ -302,7 +296,7 @@ WHERE
                 "mysql": "REGEXP_LIKE('foo', '.*')",
                 "starrocks": "REGEXP('foo', '.*')",
             },
-        ),
+        )
         self.validate_all(
             '"""x"""',
             write={
@@ -453,7 +447,6 @@ WHERE
             "SELECT ARRAY(SELECT * FROM foo JOIN bla ON x = y)",
             write={"bigquery": "SELECT ARRAY(SELECT * FROM foo JOIN bla ON x = y)"},
         )
-
         self.validate_all(
             "x IS unknown",
             write={
@@ -465,6 +458,16 @@ WHERE
             },
         )
         self.validate_all(
+            "x IS NOT unknown",
+            write={
+                "bigquery": "NOT x IS NULL",
+                "duckdb": "NOT x IS NULL",
+                "presto": "NOT x IS NULL",
+                "hive": "NOT x IS NULL",
+                "spark": "NOT x IS NULL",
+            },
+        )
+        self.validate_all(
             "CURRENT_TIMESTAMP()",
             read={
                 "tsql": "GETDATE()",
@@ -682,16 +685,32 @@ WHERE
                 "spark": "TO_JSON(x)",
             },
         )
-
-        self.validate_identity(
-            "SELECT y + 1 z FROM x GROUP BY y + 1 ORDER BY z",
-            "SELECT y + 1 AS z FROM x GROUP BY z ORDER BY z",
-        )
-        self.validate_identity(
-            "SELECT y + 1 z FROM x GROUP BY y + 1",
-            "SELECT y + 1 AS z FROM x GROUP BY y + 1",
+        self.validate_all(
+            """SELECT
+  `u`.`harness_user_email` AS `harness_user_email`,
+  `d`.`harness_user_id` AS `harness_user_id`,
+  `harness_account_id` AS `harness_account_id`
+FROM `analytics_staging`.`stg_mongodb__users` AS `u`, UNNEST(`u`.`harness_cluster_details`) AS `d`, UNNEST(`d`.`harness_account_ids`) AS `harness_account_id`
+WHERE
+  NOT `harness_account_id` IS NULL""",
+            read={
+                "": """
+                SELECT
+                  "u"."harness_user_email" AS "harness_user_email",
+                  "_q_0"."d"."harness_user_id" AS "harness_user_id",
+                  "_q_1"."harness_account_id" AS "harness_account_id"
+                FROM
+                  "analytics_staging"."stg_mongodb__users" AS "u",
+                  UNNEST("u"."harness_cluster_details") AS "_q_0"("d"),
+                  UNNEST("_q_0"."d"."harness_account_ids") AS "_q_1"("harness_account_id")
+                WHERE
+                  NOT "_q_1"."harness_account_id" IS NULL
+                """
+            },
+            pretty=True,
         )
-        self.validate_identity("SELECT y + 1 FROM x GROUP BY y + 1 ORDER BY 1")
+
+        self.validate_identity("LOG(n, b)")
 
     def test_user_defined_functions(self):
         self.validate_identity(
@@ -702,6 +721,10 @@ WHERE
         self.validate_identity(
             "CREATE TABLE FUNCTION a(x INT64) RETURNS TABLE <q STRING, r INT64> AS SELECT s, t"
         )
+        self.validate_identity(
+            '''CREATE TEMPORARY FUNCTION string_length_0(strings ARRAY<STRING>) RETURNS FLOAT64 LANGUAGE js AS """'use strict'; function string_length(strings) { return _.sum(_.map(strings, ((x) => x.length))); } return string_length(strings);""" OPTIONS (library=['gs://ibis-testing-libraries/lodash.min.js'])''',
+            "CREATE TEMPORARY FUNCTION string_length_0(strings ARRAY<STRING>) RETURNS FLOAT64 LANGUAGE js OPTIONS (library=['gs://ibis-testing-libraries/lodash.min.js']) AS '\\'use strict\\'; function string_length(strings) { return _.sum(_.map(strings, ((x) => x.length))); } return string_length(strings);'",
+        )
 
     def test_group_concat(self):
         self.validate_all(
diff --git a/tests/dialects/test_clickhouse.py b/tests/dialects/test_clickhouse.py
index 2cda0dc..40a270e 100644
--- a/tests/dialects/test_clickhouse.py
+++ b/tests/dialects/test_clickhouse.py
@@ -157,8 +157,8 @@ class TestClickhouse(Validator):
         self.validate_all(
             "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             write={
-                "clickhouse": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname",
-                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname NULLS LAST",
+                "clickhouse": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname",
+                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname NULLS LAST",
             },
         )
         self.validate_all(
@@ -216,7 +216,7 @@ class TestClickhouse(Validator):
             """,
             write={
                 "clickhouse": "SELECT loyalty, count() FROM hits LEFT SEMI JOIN users USING (UserID)"
-                + " GROUP BY loyalty ORDER BY loyalty"
+                " GROUP BY loyalty ORDER BY loyalty ASC"
             },
         )
         self.validate_identity("SELECT s, arr FROM arrays_test ARRAY JOIN arr")
diff --git a/tests/dialects/test_databricks.py b/tests/dialects/test_databricks.py
index d06e0f1..3df968b 100644
--- a/tests/dialects/test_databricks.py
+++ b/tests/dialects/test_databricks.py
@@ -5,6 +5,9 @@ class TestDatabricks(Validator):
     dialect = "databricks"
 
     def test_databricks(self):
+        self.validate_identity("CREATE TABLE t (c STRUCT<interval: DOUBLE COMMENT 'aaa'>)")
+        self.validate_identity("CREATE TABLE my_table () TBLPROPERTIES (a.b=15)")
+        self.validate_identity("CREATE TABLE my_table () TBLPROPERTIES ('a.b'=15)")
         self.validate_identity("SELECT CAST('11 23:4:0' AS INTERVAL DAY TO HOUR)")
         self.validate_identity("SELECT CAST('11 23:4:0' AS INTERVAL DAY TO MINUTE)")
         self.validate_identity("SELECT CAST('11 23:4:0' AS INTERVAL DAY TO SECOND)")
diff --git a/tests/dialects/test_dialect.py b/tests/dialects/test_dialect.py
index 47e1ec7..3e0ffd5 100644
--- a/tests/dialects/test_dialect.py
+++ b/tests/dialects/test_dialect.py
@@ -964,12 +964,12 @@ class TestDialect(Validator):
         self.validate_all(
             "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             write={
-                "bigquery": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
-                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname NULLS FIRST",
-                "oracle": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
-                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname NULLS FIRST",
-                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
-                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
+                "bigquery": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
+                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname NULLS FIRST",
+                "oracle": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
+                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname NULLS FIRST",
+                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
+                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             },
         )
 
@@ -1354,7 +1354,7 @@ class TestDialect(Validator):
         self.validate_all(
             "SELECT IF(COALESCE(bar, 0) = 1, TRUE, FALSE) as foo FROM baz",
             write={
-                "bigquery": "SELECT CASE WHEN COALESCE(bar, 0) = 1 THEN TRUE ELSE FALSE END AS foo FROM baz",
+                "bigquery": "SELECT IF(COALESCE(bar, 0) = 1, TRUE, FALSE) AS foo FROM baz",
                 "duckdb": "SELECT CASE WHEN COALESCE(bar, 0) = 1 THEN TRUE ELSE FALSE END AS foo FROM baz",
                 "presto": "SELECT IF(COALESCE(bar, 0) = 1, TRUE, FALSE) AS foo FROM baz",
                 "hive": "SELECT IF(COALESCE(bar, 0) = 1, TRUE, FALSE) AS foo FROM baz",
diff --git a/tests/dialects/test_duckdb.py b/tests/dialects/test_duckdb.py
index 36fca7c..dbf0a87 100644
--- a/tests/dialects/test_duckdb.py
+++ b/tests/dialects/test_duckdb.py
@@ -6,6 +6,92 @@ class TestDuckDB(Validator):
     dialect = "duckdb"
 
     def test_duckdb(self):
+        self.assertEqual(
+            parse_one("select * from t limit (select 5)").sql(dialect="duckdb"),
+            exp.select("*").from_("t").limit(exp.select("5").subquery()).sql(dialect="duckdb"),
+        )
+
+        for struct_value in ("{'a': 1}", "struct_pack(a := 1)"):
+            self.validate_all(struct_value, write={"presto": UnsupportedError})
+
+        for join_type in ("SEMI", "ANTI"):
+            exists = "EXISTS" if join_type == "SEMI" else "NOT EXISTS"
+
+            self.validate_all(
+                f"SELECT * FROM t1 {join_type} JOIN t2 ON t1.x = t2.x",
+                write={
+                    "bigquery": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "clickhouse": f"SELECT * FROM t1 {join_type} JOIN t2 ON t1.x = t2.x",
+                    "databricks": f"SELECT * FROM t1 {join_type} JOIN t2 ON t1.x = t2.x",
+                    "doris": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "drill": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "duckdb": f"SELECT * FROM t1 {join_type} JOIN t2 ON t1.x = t2.x",
+                    "hive": f"SELECT * FROM t1 {join_type} JOIN t2 ON t1.x = t2.x",
+                    "mysql": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "oracle": f"SELECT * FROM t1 {join_type} JOIN t2 ON t1.x = t2.x",
+                    "postgres": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "presto": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "redshift": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "snowflake": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "spark": f"SELECT * FROM t1 {join_type} JOIN t2 ON t1.x = t2.x",
+                    "sqlite": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "starrocks": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "teradata": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "trino": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                    "tsql": f"SELECT * FROM t1 WHERE {exists}(SELECT 1 FROM t2 WHERE t1.x = t2.x)",
+                },
+            )
+            self.validate_all(
+                f"SELECT * FROM t1 {join_type} JOIN t2 ON t1.x = t2.x",
+                read={
+                    "duckdb": f"SELECT * FROM t1 {join_type} JOIN t2 ON t1.x = t2.x",
+                    "spark": f"SELECT * FROM t1 LEFT {join_type} JOIN t2 ON t1.x = t2.x",
+                },
+            )
+
+        self.validate_all(
+            "WITH cte(x) AS (SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3) SELECT AVG(x) FILTER (WHERE x > 1) FROM cte",
+            write={
+                "duckdb": "WITH cte(x) AS (SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3) SELECT AVG(x) FILTER(WHERE x > 1) FROM cte",
+                "snowflake": "WITH cte(x) AS (SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3) SELECT AVG(IFF(x > 1, x, NULL)) FROM cte",
+            },
+        )
+        self.validate_all(
+            "SELECT AVG(x) FILTER (WHERE TRUE) FROM t",
+            write={
+                "duckdb": "SELECT AVG(x) FILTER(WHERE TRUE) FROM t",
+                "snowflake": "SELECT AVG(IFF(TRUE, x, NULL)) FROM t",
+            },
+        )
+        self.validate_all(
+            "SELECT UNNEST(ARRAY[1, 2, 3]), UNNEST(ARRAY[4, 5]), UNNEST(ARRAY[6])",
+            write={
+                "bigquery": "SELECT IF(pos = pos_2, col, NULL) AS col, IF(pos = pos_3, col_2, NULL) AS col_2, IF(pos = pos_4, col_3, NULL) AS col_3 FROM UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH([1, 2, 3]), ARRAY_LENGTH([4, 5]), ARRAY_LENGTH([6])) - 1)) AS pos CROSS JOIN UNNEST([1, 2, 3]) AS col WITH OFFSET AS pos_2 CROSS JOIN UNNEST([4, 5]) AS col_2 WITH OFFSET AS pos_3 CROSS JOIN UNNEST([6]) AS col_3 WITH OFFSET AS pos_4 WHERE ((pos = pos_2 OR (pos > (ARRAY_LENGTH([1, 2, 3]) - 1) AND pos_2 = (ARRAY_LENGTH([1, 2, 3]) - 1))) AND (pos = pos_3 OR (pos > (ARRAY_LENGTH([4, 5]) - 1) AND pos_3 = (ARRAY_LENGTH([4, 5]) - 1)))) AND (pos = pos_4 OR (pos > (ARRAY_LENGTH([6]) - 1) AND pos_4 = (ARRAY_LENGTH([6]) - 1)))",
+                "presto": "SELECT IF(pos = pos_2, col) AS col, IF(pos = pos_3, col_2) AS col_2, IF(pos = pos_4, col_3) AS col_3 FROM UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(ARRAY[1, 2, 3]), CARDINALITY(ARRAY[4, 5]), CARDINALITY(ARRAY[6])))) AS _u(pos) CROSS JOIN UNNEST(ARRAY[1, 2, 3]) WITH ORDINALITY AS _u_2(col, pos_2) CROSS JOIN UNNEST(ARRAY[4, 5]) WITH ORDINALITY AS _u_3(col_2, pos_3) CROSS JOIN UNNEST(ARRAY[6]) WITH ORDINALITY AS _u_4(col_3, pos_4) WHERE ((pos = pos_2 OR (pos > CARDINALITY(ARRAY[1, 2, 3]) AND pos_2 = CARDINALITY(ARRAY[1, 2, 3]))) AND (pos = pos_3 OR (pos > CARDINALITY(ARRAY[4, 5]) AND pos_3 = CARDINALITY(ARRAY[4, 5])))) AND (pos = pos_4 OR (pos > CARDINALITY(ARRAY[6]) AND pos_4 = CARDINALITY(ARRAY[6])))",
+            },
+        )
+
+        self.validate_all(
+            "SELECT UNNEST(ARRAY[1, 2, 3]), UNNEST(ARRAY[4, 5]), UNNEST(ARRAY[6]) FROM x",
+            write={
+                "bigquery": "SELECT IF(pos = pos_2, col, NULL) AS col, IF(pos = pos_3, col_2, NULL) AS col_2, IF(pos = pos_4, col_3, NULL) AS col_3 FROM x, UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH([1, 2, 3]), ARRAY_LENGTH([4, 5]), ARRAY_LENGTH([6])) - 1)) AS pos CROSS JOIN UNNEST([1, 2, 3]) AS col WITH OFFSET AS pos_2 CROSS JOIN UNNEST([4, 5]) AS col_2 WITH OFFSET AS pos_3 CROSS JOIN UNNEST([6]) AS col_3 WITH OFFSET AS pos_4 WHERE ((pos = pos_2 OR (pos > (ARRAY_LENGTH([1, 2, 3]) - 1) AND pos_2 = (ARRAY_LENGTH([1, 2, 3]) - 1))) AND (pos = pos_3 OR (pos > (ARRAY_LENGTH([4, 5]) - 1) AND pos_3 = (ARRAY_LENGTH([4, 5]) - 1)))) AND (pos = pos_4 OR (pos > (ARRAY_LENGTH([6]) - 1) AND pos_4 = (ARRAY_LENGTH([6]) - 1)))",
+                "presto": "SELECT IF(pos = pos_2, col) AS col, IF(pos = pos_3, col_2) AS col_2, IF(pos = pos_4, col_3) AS col_3 FROM x, UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(ARRAY[1, 2, 3]), CARDINALITY(ARRAY[4, 5]), CARDINALITY(ARRAY[6])))) AS _u(pos) CROSS JOIN UNNEST(ARRAY[1, 2, 3]) WITH ORDINALITY AS _u_2(col, pos_2) CROSS JOIN UNNEST(ARRAY[4, 5]) WITH ORDINALITY AS _u_3(col_2, pos_3) CROSS JOIN UNNEST(ARRAY[6]) WITH ORDINALITY AS _u_4(col_3, pos_4) WHERE ((pos = pos_2 OR (pos > CARDINALITY(ARRAY[1, 2, 3]) AND pos_2 = CARDINALITY(ARRAY[1, 2, 3]))) AND (pos = pos_3 OR (pos > CARDINALITY(ARRAY[4, 5]) AND pos_3 = CARDINALITY(ARRAY[4, 5])))) AND (pos = pos_4 OR (pos > CARDINALITY(ARRAY[6]) AND pos_4 = CARDINALITY(ARRAY[6])))",
+            },
+        )
+        self.validate_all(
+            "SELECT UNNEST(x) + 1",
+            write={
+                "bigquery": "SELECT IF(pos = pos_2, col, NULL) + 1 AS col FROM UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH(x)) - 1)) AS pos CROSS JOIN UNNEST(x) AS col WITH OFFSET AS pos_2 WHERE pos = pos_2 OR (pos > (ARRAY_LENGTH(x) - 1) AND pos_2 = (ARRAY_LENGTH(x) - 1))",
+            },
+        )
+        self.validate_all(
+            "SELECT UNNEST(x) + 1 AS y",
+            write={
+                "bigquery": "SELECT IF(pos = pos_2, y, NULL) + 1 AS y FROM UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH(x)) - 1)) AS pos CROSS JOIN UNNEST(x) AS y WITH OFFSET AS pos_2 WHERE pos = pos_2 OR (pos > (ARRAY_LENGTH(x) - 1) AND pos_2 = (ARRAY_LENGTH(x) - 1))",
+            },
+        )
+
+        self.validate_identity("SELECT i FROM RANGE(5) AS _(i) ORDER BY i ASC")
         self.validate_identity("[x.STRING_SPLIT(' ')[1] FOR x IN ['1', '2', 3] IF x.CONTAINS('1')]")
         self.validate_identity("INSERT INTO x BY NAME SELECT 1 AS y")
         self.validate_identity("SELECT 1 AS x UNION ALL BY NAME SELECT 2 AS x")
@@ -62,6 +148,13 @@ class TestDuckDB(Validator):
         self.validate_all("x ~ y", write={"duckdb": "REGEXP_MATCHES(x, y)"})
         self.validate_all("SELECT * FROM 'x.y'", write={"duckdb": 'SELECT * FROM "x.y"'})
         self.validate_all(
+            "SELECT UNNEST([1, 2, 3])",
+            write={
+                "duckdb": "SELECT UNNEST([1, 2, 3])",
+                "snowflake": "SELECT IFF(pos = pos_2, col, NULL) AS col FROM (SELECT value FROM TABLE(FLATTEN(INPUT => ARRAY_GENERATE_RANGE(0, (GREATEST(ARRAY_SIZE([1, 2, 3])) - 1) + 1)))) AS _u(pos) CROSS JOIN (SELECT value, index FROM TABLE(FLATTEN(INPUT => [1, 2, 3]))) AS _u_2(col, pos_2) WHERE pos = pos_2 OR (pos > (ARRAY_SIZE([1, 2, 3]) - 1) AND pos_2 = (ARRAY_SIZE([1, 2, 3]) - 1))",
+            },
+        )
+        self.validate_all(
             "VAR_POP(x)",
             read={
                 "": "VARIANCE_POP(x)",
@@ -304,8 +397,8 @@ class TestDuckDB(Validator):
         self.validate_all(
             "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             write={
-                "": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname NULLS LAST",
-                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname",
+                "": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname NULLS LAST",
+                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname",
             },
         )
         self.validate_all(
diff --git a/tests/dialects/test_hive.py b/tests/dialects/test_hive.py
index 70a05fd..26f0189 100644
--- a/tests/dialects/test_hive.py
+++ b/tests/dialects/test_hive.py
@@ -382,10 +382,10 @@ class TestHive(Validator):
         self.validate_all(
             "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             write={
-                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname NULLS FIRST",
-                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname NULLS FIRST",
-                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
-                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
+                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname NULLS FIRST",
+                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname NULLS FIRST",
+                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
+                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             },
         )
 
diff --git a/tests/dialects/test_mysql.py b/tests/dialects/test_mysql.py
index e362e9e..20f872c 100644
--- a/tests/dialects/test_mysql.py
+++ b/tests/dialects/test_mysql.py
@@ -499,6 +499,21 @@ class TestMySQL(Validator):
 
     def test_mysql(self):
         self.validate_all(
+            "a XOR b",
+            read={
+                "mysql": "a XOR b",
+                "snowflake": "BOOLXOR(a, b)",
+            },
+            write={
+                "duckdb": "(a AND (NOT b)) OR ((NOT a) AND b)",
+                "mysql": "a XOR b",
+                "postgres": "(a AND (NOT b)) OR ((NOT a) AND b)",
+                "snowflake": "BOOLXOR(a, b)",
+                "trino": "(a AND (NOT b)) OR ((NOT a) AND b)",
+            },
+        )
+
+        self.validate_all(
             "SELECT * FROM test LIMIT 0 + 1, 0 + 1",
             write={
                 "mysql": "SELECT * FROM test LIMIT 1 OFFSET 1",
diff --git a/tests/dialects/test_postgres.py b/tests/dialects/test_postgres.py
index 285496a..6a3df47 100644
--- a/tests/dialects/test_postgres.py
+++ b/tests/dialects/test_postgres.py
@@ -13,6 +13,7 @@ class TestPostgres(Validator):
             "CREATE TABLE test (x TIMESTAMP WITHOUT TIME ZONE[][])",
             "CREATE TABLE test (x TIMESTAMP[][])",
         )
+        self.validate_identity("CREATE INDEX idx_x ON x USING BTREE(x, y) WHERE (NOT y IS NULL)")
         self.validate_identity("CREATE TABLE test (elems JSONB[])")
         self.validate_identity("CREATE TABLE public.y (x TSTZRANGE NOT NULL)")
         self.validate_identity("CREATE TABLE test (foo HSTORE)")
@@ -83,6 +84,28 @@ class TestPostgres(Validator):
                 " CONSTRAINT valid_discount CHECK (price > discounted_price))"
             },
         )
+        self.validate_identity(
+            """
+            CREATE INDEX index_ci_builds_on_commit_id_and_artifacts_expireatandidpartial
+            ON public.ci_builds
+            USING btree (commit_id, artifacts_expire_at, id)
+            WHERE (
+                ((type)::text = 'Ci::Build'::text)
+                AND ((retried = false) OR (retried IS NULL))
+                AND ((name)::text = ANY (ARRAY[
+                    ('sast'::character varying)::text,
+                    ('dependency_scanning'::character varying)::text,
+                    ('sast:container'::character varying)::text,
+                    ('container_scanning'::character varying)::text,
+                    ('dast'::character varying)::text
+                ]))
+            )
+            """,
+            "CREATE INDEX index_ci_builds_on_commit_id_and_artifacts_expireatandidpartial ON public.ci_builds USING btree(commit_id, artifacts_expire_at, id) WHERE ((CAST((type) AS TEXT) = CAST('Ci::Build' AS TEXT)) AND ((retried = FALSE) OR (retried IS NULL)) AND (CAST((name) AS TEXT) = ANY (ARRAY[CAST((CAST('sast' AS VARCHAR)) AS TEXT), CAST((CAST('dependency_scanning' AS VARCHAR)) AS TEXT), CAST((CAST('sast:container' AS VARCHAR)) AS TEXT), CAST((CAST('container_scanning' AS VARCHAR)) AS TEXT), CAST((CAST('dast' AS VARCHAR)) AS TEXT)])))",
+        )
+        self.validate_identity(
+            "CREATE INDEX index_ci_pipelines_on_project_idandrefandiddesc ON public.ci_pipelines USING btree(project_id, ref, id DESC)"
+        )
 
         with self.assertRaises(ParseError):
             transpile("CREATE TABLE products (price DECIMAL CHECK price > 0)", read="postgres")
@@ -102,7 +125,7 @@ class TestPostgres(Validator):
             write={
                 "hive": "SELECT EXPLODE(c) FROM t",
                 "postgres": "SELECT UNNEST(c) FROM t",
-                "presto": "SELECT col FROM t CROSS JOIN UNNEST(c) AS _u(col)",
+                "presto": "SELECT IF(pos = pos_2, col) AS col FROM t, UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(c)))) AS _u(pos) CROSS JOIN UNNEST(c) WITH ORDINALITY AS _u_2(col, pos_2) WHERE pos = pos_2 OR (pos > CARDINALITY(c) AND pos_2 = CARDINALITY(c))",
             },
         )
         self.validate_all(
@@ -110,7 +133,7 @@ class TestPostgres(Validator):
             write={
                 "hive": "SELECT EXPLODE(ARRAY(1))",
                 "postgres": "SELECT UNNEST(ARRAY[1])",
-                "presto": "SELECT col FROM UNNEST(ARRAY[1]) AS _u(col)",
+                "presto": "SELECT IF(pos = pos_2, col) AS col FROM UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(ARRAY[1])))) AS _u(pos) CROSS JOIN UNNEST(ARRAY[1]) WITH ORDINALITY AS _u_2(col, pos_2) WHERE pos = pos_2 OR (pos > CARDINALITY(ARRAY[1]) AND pos_2 = CARDINALITY(ARRAY[1]))",
             },
         )
 
@@ -139,6 +162,16 @@ class TestPostgres(Validator):
         self.assertIsInstance(expr, exp.AlterTable)
         self.assertEqual(expr.sql(dialect="postgres"), alter_table_only)
 
+        self.validate_identity(
+            "SELECT ARRAY[]::INT[] AS foo",
+            "SELECT CAST(ARRAY[] AS INT[]) AS foo",
+        )
+        self.validate_identity(
+            """ALTER TABLE ONLY "Album" ADD CONSTRAINT "FK_AlbumArtistId" FOREIGN KEY ("ArtistId") REFERENCES "Artist" ("ArtistId") ON DELETE CASCADE"""
+        )
+        self.validate_identity(
+            """ALTER TABLE ONLY "Album" ADD CONSTRAINT "FK_AlbumArtistId" FOREIGN KEY ("ArtistId") REFERENCES "Artist" ("ArtistId") ON DELETE RESTRICT"""
+        )
         self.validate_identity("x @@ y")
         self.validate_identity("CAST(x AS MONEY)")
         self.validate_identity("CAST(x AS INT4RANGE)")
@@ -362,10 +395,10 @@ class TestPostgres(Validator):
         self.validate_all(
             "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             write={
-                "postgres": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname, lname",
-                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname",
-                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname NULLS LAST",
-                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname NULLS LAST",
+                "postgres": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname ASC, lname",
+                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname",
+                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname NULLS LAST",
+                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname NULLS LAST",
             },
         )
         self.validate_all(
diff --git a/tests/dialects/test_presto.py b/tests/dialects/test_presto.py
index a92f04f..a80013e 100644
--- a/tests/dialects/test_presto.py
+++ b/tests/dialects/test_presto.py
@@ -431,8 +431,8 @@ class TestPresto(Validator):
         self.validate_all(
             "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             write={
-                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname",
-                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname NULLS LAST",
+                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname",
+                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname NULLS LAST",
             },
         )
 
@@ -947,44 +947,6 @@ class TestPresto(Validator):
             },
         )
 
-    def test_explode_to_unnest(self):
-        self.validate_all(
-            "SELECT col FROM tbl CROSS JOIN UNNEST(x) AS _u(col)",
-            read={"spark": "SELECT EXPLODE(x) FROM tbl"},
-        )
-        self.validate_all(
-            "SELECT col_2 FROM _u CROSS JOIN UNNEST(col) AS _u_2(col_2)",
-            read={"spark": "SELECT EXPLODE(col) FROM _u"},
-        )
-        self.validate_all(
-            "SELECT exploded FROM schema.tbl CROSS JOIN UNNEST(col) AS _u(exploded)",
-            read={"spark": "SELECT EXPLODE(col) AS exploded FROM schema.tbl"},
-        )
-        self.validate_all(
-            "SELECT col FROM UNNEST(SEQUENCE(1, 2)) AS _u(col)",
-            read={"spark": "SELECT EXPLODE(SEQUENCE(1, 2))"},
-        )
-        self.validate_all(
-            "SELECT col FROM tbl AS t CROSS JOIN UNNEST(t.c) AS _u(col)",
-            read={"spark": "SELECT EXPLODE(t.c) FROM tbl t"},
-        )
-        self.validate_all(
-            "SELECT pos, col FROM UNNEST(SEQUENCE(2, 3)) WITH ORDINALITY AS _u(col, pos)",
-            read={"spark": "SELECT POSEXPLODE(SEQUENCE(2, 3))"},
-        )
-        self.validate_all(
-            "SELECT pos, col FROM tbl CROSS JOIN UNNEST(SEQUENCE(2, 3)) WITH ORDINALITY AS _u(col, pos)",
-            read={"spark": "SELECT POSEXPLODE(SEQUENCE(2, 3)) FROM tbl"},
-        )
-        self.validate_all(
-            "SELECT pos, col FROM tbl AS t CROSS JOIN UNNEST(t.c) WITH ORDINALITY AS _u(col, pos)",
-            read={"spark": "SELECT POSEXPLODE(t.c) FROM tbl t"},
-        )
-        self.validate_all(
-            "SELECT col, pos, pos_2, col_2 FROM _u CROSS JOIN UNNEST(SEQUENCE(2, 3)) WITH ORDINALITY AS _u_2(col_2, pos_2)",
-            read={"spark": "SELECT col, pos, POSEXPLODE(SEQUENCE(2, 3)) FROM _u"},
-        )
-
     def test_match_recognize(self):
         self.validate_identity(
             """SELECT
diff --git a/tests/dialects/test_redshift.py b/tests/dialects/test_redshift.py
index e261c01..c75654c 100644
--- a/tests/dialects/test_redshift.py
+++ b/tests/dialects/test_redshift.py
@@ -1,3 +1,4 @@
+from sqlglot import transpile
 from tests.dialects.test_dialect import Validator
 
 
@@ -270,6 +271,26 @@ class TestRedshift(Validator):
         )
 
     def test_values(self):
+        # Test crazy-sized VALUES clause to UNION ALL conversion to ensure we don't get RecursionError
+        values = [str(v) for v in range(0, 10000)]
+        values_query = f"SELECT * FROM (VALUES {', '.join('(' + v + ')' for v in values)})"
+        union_query = f"SELECT * FROM ({' UNION ALL '.join('SELECT ' + v for v in values)})"
+        self.assertEqual(transpile(values_query, write="redshift")[0], union_query)
+
+        self.validate_identity(
+            "SELECT * FROM (VALUES (1), (2))",
+            """SELECT
+  *
+FROM (
+  SELECT
+    1
+  UNION ALL
+  SELECT
+    2
+)""",
+            pretty=True,
+        )
+
         self.validate_all(
             "SELECT * FROM (VALUES (1, 2)) AS t",
             write={
@@ -291,9 +312,9 @@ class TestRedshift(Validator):
             },
         )
         self.validate_all(
-            "SELECT a, b FROM (VALUES (1, 2), (3, 4)) AS t (a, b)",
+            'SELECT a, b FROM (VALUES (1, 2), (3, 4)) AS "t" (a, b)',
             write={
-                "redshift": "SELECT a, b FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3, 4) AS t",
+                "redshift": 'SELECT a, b FROM (SELECT 1 AS a, 2 AS b UNION ALL SELECT 3, 4) AS "t"',
             },
         )
         self.validate_all(
@@ -320,6 +341,16 @@ class TestRedshift(Validator):
                 "redshift": "INSERT INTO t (a, b) VALUES (1, 2), (3, 4)",
             },
         )
+        self.validate_identity(
+            'SELECT * FROM (VALUES (1)) AS "t"(a)',
+            '''SELECT
+  *
+FROM (
+  SELECT
+    1 AS a
+) AS "t"''',
+            pretty=True,
+        )
 
     def test_create_table_like(self):
         self.validate_all(
diff --git a/tests/dialects/test_snowflake.py b/tests/dialects/test_snowflake.py
index 30a1f03..a217394 100644
--- a/tests/dialects/test_snowflake.py
+++ b/tests/dialects/test_snowflake.py
@@ -78,12 +78,33 @@ class TestSnowflake(Validator):
             r"SELECT $$a ' \ \t \x21 z $ $$",
             r"SELECT 'a \' \\ \\t \\x21 z $ '",
         )
+        self.validate_identity(
+            "SELECT {'test': 'best'}::VARIANT",
+            "SELECT CAST(OBJECT_CONSTRUCT('test', 'best') AS VARIANT)",
+        )
 
         self.validate_all("CAST(x AS BYTEINT)", write={"snowflake": "CAST(x AS INT)"})
         self.validate_all("CAST(x AS CHAR VARYING)", write={"snowflake": "CAST(x AS VARCHAR)"})
         self.validate_all("CAST(x AS CHARACTER VARYING)", write={"snowflake": "CAST(x AS VARCHAR)"})
         self.validate_all("CAST(x AS NCHAR VARYING)", write={"snowflake": "CAST(x AS VARCHAR)"})
         self.validate_all(
+            "ARRAY_GENERATE_RANGE(0, 3)",
+            write={
+                "bigquery": "GENERATE_ARRAY(0, 3 - 1)",
+                "postgres": "GENERATE_SERIES(0, 3 - 1)",
+                "presto": "SEQUENCE(0, 3 - 1)",
+                "snowflake": "ARRAY_GENERATE_RANGE(0, (3 - 1) + 1)",
+            },
+        )
+        self.validate_all(
+            "ARRAY_GENERATE_RANGE(0, 3 + 1)",
+            read={
+                "bigquery": "GENERATE_ARRAY(0, 3)",
+                "postgres": "GENERATE_SERIES(0, 3)",
+                "presto": "SEQUENCE(0, 3)",
+            },
+        )
+        self.validate_all(
             "SELECT DATE_PART('year', TIMESTAMP '2020-01-01')",
             write={
                 "hive": "SELECT EXTRACT(year FROM CAST('2020-01-01' AS TIMESTAMP))",
@@ -258,13 +279,13 @@ class TestSnowflake(Validator):
         self.validate_all(
             "SELECT * EXCLUDE a, b FROM xxx",
             write={
-                "snowflake": "SELECT * EXCLUDE (a, b) FROM xxx",
+                "snowflake": "SELECT * EXCLUDE (a), b FROM xxx",
             },
         )
         self.validate_all(
             "SELECT * RENAME a AS b, c AS d FROM xxx",
             write={
-                "snowflake": "SELECT * RENAME (a AS b, c AS d) FROM xxx",
+                "snowflake": "SELECT * RENAME (a AS b), c AS d FROM xxx",
             },
         )
         self.validate_all(
@@ -364,12 +385,12 @@ class TestSnowflake(Validator):
         self.validate_all(
             "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             write={
-                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname",
-                "postgres": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname, lname",
-                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname",
-                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname NULLS LAST",
-                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname NULLS LAST",
-                "snowflake": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname, lname",
+                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname",
+                "postgres": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname ASC, lname",
+                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname",
+                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname NULLS LAST",
+                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname NULLS LAST",
+                "snowflake": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname ASC, lname",
             },
         )
         self.validate_all(
@@ -867,7 +888,7 @@ FROM persons AS p, LATERAL FLATTEN(input => p.c, path => 'contact') AS f, LATERA
             """SELECT $1 AS "_1" FROM VALUES ('a'), ('b')""",
             write={
                 "snowflake": """SELECT $1 AS "_1" FROM (VALUES ('a'), ('b'))""",
-                "spark": """SELECT @1 AS `_1` FROM VALUES ('a'), ('b')""",
+                "spark": """SELECT ${1} AS `_1` FROM VALUES ('a'), ('b')""",
             },
         )
 
diff --git a/tests/dialects/test_spark.py b/tests/dialects/test_spark.py
index becb66a..2e43ba5 100644
--- a/tests/dialects/test_spark.py
+++ b/tests/dialects/test_spark.py
@@ -229,6 +229,7 @@ TBLPROPERTIES (
         self.assertIsInstance(expr.args.get("ignore_nulls"), exp.Boolean)
         self.assertEqual(expr.sql(dialect="spark"), "ANY_VALUE(col, TRUE)")
 
+        self.validate_identity("SELECT * FROM t1 SEMI JOIN t2 ON t1.x = t2.x")
         self.validate_identity("SELECT TRANSFORM(ARRAY(1, 2, 3), x -> x + 1)")
         self.validate_identity("SELECT TRANSFORM(ARRAY(1, 2, 3), (x, i) -> x + i)")
         self.validate_identity("REFRESH table a.b.c")
@@ -460,13 +461,13 @@ TBLPROPERTIES (
         self.validate_all(
             "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             write={
-                "clickhouse": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname NULLS FIRST",
-                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname NULLS FIRST",
-                "postgres": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname, lname NULLS FIRST",
-                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname, lname NULLS FIRST",
-                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
-                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
-                "snowflake": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname, lname NULLS FIRST",
+                "clickhouse": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname NULLS FIRST",
+                "duckdb": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname NULLS FIRST",
+                "postgres": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname ASC, lname NULLS FIRST",
+                "presto": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC, lname NULLS FIRST",
+                "hive": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
+                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
+                "snowflake": "SELECT fname, lname, age FROM person ORDER BY age DESC, fname ASC, lname NULLS FIRST",
             },
         )
         self.validate_all(
@@ -583,3 +584,60 @@ TBLPROPERTIES (
                 "databricks": "WITH cte AS (SELECT cola FROM other_table) INSERT OVERWRITE TABLE table SELECT cola FROM cte",
             },
         )
+
+    def test_explode_to_unnest(self):
+        self.validate_all(
+            "SELECT EXPLODE(x) FROM tbl",
+            write={
+                "bigquery": "SELECT IF(pos = pos_2, col, NULL) AS col FROM tbl, UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH(x)) - 1)) AS pos CROSS JOIN UNNEST(x) AS col WITH OFFSET AS pos_2 WHERE pos = pos_2 OR (pos > (ARRAY_LENGTH(x) - 1) AND pos_2 = (ARRAY_LENGTH(x) - 1))",
+                "presto": "SELECT IF(pos = pos_2, col) AS col FROM tbl, UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(x)))) AS _u(pos) CROSS JOIN UNNEST(x) WITH ORDINALITY AS _u_2(col, pos_2) WHERE pos = pos_2 OR (pos > CARDINALITY(x) AND pos_2 = CARDINALITY(x))",
+                "spark": "SELECT EXPLODE(x) FROM tbl",
+            },
+        )
+        self.validate_all(
+            "SELECT EXPLODE(col) FROM _u",
+            write={
+                "bigquery": "SELECT IF(pos = pos_2, col_2, NULL) AS col_2 FROM _u, UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH(col)) - 1)) AS pos CROSS JOIN UNNEST(col) AS col_2 WITH OFFSET AS pos_2 WHERE pos = pos_2 OR (pos > (ARRAY_LENGTH(col) - 1) AND pos_2 = (ARRAY_LENGTH(col) - 1))",
+                "presto": "SELECT IF(pos = pos_2, col_2) AS col_2 FROM _u, UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(col)))) AS _u_2(pos) CROSS JOIN UNNEST(col) WITH ORDINALITY AS _u_3(col_2, pos_2) WHERE pos = pos_2 OR (pos > CARDINALITY(col) AND pos_2 = CARDINALITY(col))",
+                "spark": "SELECT EXPLODE(col) FROM _u",
+            },
+        )
+        self.validate_all(
+            "SELECT EXPLODE(col) AS exploded FROM schema.tbl",
+            write={
+                "presto": "SELECT IF(pos = pos_2, exploded) AS exploded FROM schema.tbl, UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(col)))) AS _u(pos) CROSS JOIN UNNEST(col) WITH ORDINALITY AS _u_2(exploded, pos_2) WHERE pos = pos_2 OR (pos > CARDINALITY(col) AND pos_2 = CARDINALITY(col))",
+            },
+        )
+        self.validate_all(
+            "SELECT EXPLODE(ARRAY(1, 2))",
+            write={
+                "bigquery": "SELECT IF(pos = pos_2, col, NULL) AS col FROM UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH([1, 2])) - 1)) AS pos CROSS JOIN UNNEST([1, 2]) AS col WITH OFFSET AS pos_2 WHERE pos = pos_2 OR (pos > (ARRAY_LENGTH([1, 2]) - 1) AND pos_2 = (ARRAY_LENGTH([1, 2]) - 1))",
+                "presto": "SELECT IF(pos = pos_2, col) AS col FROM UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(ARRAY[1, 2])))) AS _u(pos) CROSS JOIN UNNEST(ARRAY[1, 2]) WITH ORDINALITY AS _u_2(col, pos_2) WHERE pos = pos_2 OR (pos > CARDINALITY(ARRAY[1, 2]) AND pos_2 = CARDINALITY(ARRAY[1, 2]))",
+            },
+        )
+        self.validate_all(
+            "SELECT POSEXPLODE(ARRAY(2, 3)) AS x",
+            write={
+                "bigquery": "SELECT IF(pos = pos_2, x, NULL) AS x, IF(pos = pos_2, pos_2, NULL) AS pos_2 FROM UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH([2, 3])) - 1)) AS pos CROSS JOIN UNNEST([2, 3]) AS x WITH OFFSET AS pos_2 WHERE pos = pos_2 OR (pos > (ARRAY_LENGTH([2, 3]) - 1) AND pos_2 = (ARRAY_LENGTH([2, 3]) - 1))",
+                "presto": "SELECT IF(pos = pos_2, x) AS x, IF(pos = pos_2, pos_2) AS pos_2 FROM UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(ARRAY[2, 3])))) AS _u(pos) CROSS JOIN UNNEST(ARRAY[2, 3]) WITH ORDINALITY AS _u_2(x, pos_2) WHERE pos = pos_2 OR (pos > CARDINALITY(ARRAY[2, 3]) AND pos_2 = CARDINALITY(ARRAY[2, 3]))",
+            },
+        )
+        self.validate_all(
+            "SELECT POSEXPLODE(x) AS (a, b)",
+            write={
+                "presto": "SELECT IF(pos = a, b) AS b, IF(pos = a, a) AS a FROM UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(x)))) AS _u(pos) CROSS JOIN UNNEST(x) WITH ORDINALITY AS _u_2(b, a) WHERE pos = a OR (pos > CARDINALITY(x) AND a = CARDINALITY(x))",
+            },
+        )
+        self.validate_all(
+            "SELECT POSEXPLODE(ARRAY(2, 3)), EXPLODE(ARRAY(4, 5, 6)) FROM tbl",
+            write={
+                "bigquery": "SELECT IF(pos = pos_2, col, NULL) AS col, IF(pos = pos_2, pos_2, NULL) AS pos_2, IF(pos = pos_3, col_2, NULL) AS col_2 FROM tbl, UNNEST(GENERATE_ARRAY(0, GREATEST(ARRAY_LENGTH([2, 3]), ARRAY_LENGTH([4, 5, 6])) - 1)) AS pos CROSS JOIN UNNEST([2, 3]) AS col WITH OFFSET AS pos_2 CROSS JOIN UNNEST([4, 5, 6]) AS col_2 WITH OFFSET AS pos_3 WHERE (pos = pos_2 OR (pos > (ARRAY_LENGTH([2, 3]) - 1) AND pos_2 = (ARRAY_LENGTH([2, 3]) - 1))) AND (pos = pos_3 OR (pos > (ARRAY_LENGTH([4, 5, 6]) - 1) AND pos_3 = (ARRAY_LENGTH([4, 5, 6]) - 1)))",
+                "presto": "SELECT IF(pos = pos_2, col) AS col, IF(pos = pos_2, pos_2) AS pos_2, IF(pos = pos_3, col_2) AS col_2 FROM tbl, UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(ARRAY[2, 3]), CARDINALITY(ARRAY[4, 5, 6])))) AS _u(pos) CROSS JOIN UNNEST(ARRAY[2, 3]) WITH ORDINALITY AS _u_2(col, pos_2) CROSS JOIN UNNEST(ARRAY[4, 5, 6]) WITH ORDINALITY AS _u_3(col_2, pos_3) WHERE (pos = pos_2 OR (pos > CARDINALITY(ARRAY[2, 3]) AND pos_2 = CARDINALITY(ARRAY[2, 3]))) AND (pos = pos_3 OR (pos > CARDINALITY(ARRAY[4, 5, 6]) AND pos_3 = CARDINALITY(ARRAY[4, 5, 6])))",
+            },
+        )
+        self.validate_all(
+            "SELECT col, pos, POSEXPLODE(ARRAY(2, 3)) FROM _u",
+            write={
+                "presto": "SELECT col, pos, IF(pos_2 = pos_3, col_2) AS col_2, IF(pos_2 = pos_3, pos_3) AS pos_3 FROM _u, UNNEST(SEQUENCE(1, GREATEST(CARDINALITY(ARRAY[2, 3])))) AS _u_2(pos_2) CROSS JOIN UNNEST(ARRAY[2, 3]) WITH ORDINALITY AS _u_3(col_2, pos_3) WHERE pos_2 = pos_3 OR (pos_2 > CARDINALITY(ARRAY[2, 3]) AND pos_3 = CARDINALITY(ARRAY[2, 3]))",
+            },
+        )
diff --git a/tests/dialects/test_sqlite.py b/tests/dialects/test_sqlite.py
index 4cf0832..3df74c8 100644
--- a/tests/dialects/test_sqlite.py
+++ b/tests/dialects/test_sqlite.py
@@ -59,6 +59,23 @@ class TestSQLite(Validator):
         )
 
     def test_sqlite(self):
+        self.validate_identity("SELECT DATE()")
+        self.validate_identity("SELECT DATE('now', 'start of month', '+1 month', '-1 day')")
+        self.validate_identity("SELECT DATETIME(1092941466, 'unixepoch')")
+        self.validate_identity("SELECT DATETIME(1092941466, 'auto')")
+        self.validate_identity("SELECT DATETIME(1092941466, 'unixepoch', 'localtime')")
+        self.validate_identity("SELECT UNIXEPOCH()")
+        self.validate_identity("SELECT STRFTIME('%s')")
+        self.validate_identity("SELECT JULIANDAY('now') - JULIANDAY('1776-07-04')")
+        self.validate_identity("SELECT UNIXEPOCH() - UNIXEPOCH('2004-01-01 02:34:56')")
+        self.validate_identity("SELECT DATE('now', 'start of year', '+9 months', 'weekday 2')")
+        self.validate_identity("SELECT (JULIANDAY('now') - 2440587.5) * 86400.0")
+        self.validate_identity("SELECT UNIXEPOCH('now', 'subsec')")
+        self.validate_identity("SELECT TIMEDIFF('now', '1809-02-12')")
+        self.validate_identity(
+            """SELECT item AS "item", some AS "some" FROM data WHERE (item = 'value_1' COLLATE NOCASE) AND (some = 't' COLLATE NOCASE) ORDER BY item ASC LIMIT 1 OFFSET 0"""
+        )
+
         self.validate_all("SELECT LIKE(y, x)", write={"sqlite": "SELECT x LIKE y"})
         self.validate_all("SELECT GLOB('*y*', 'xyz')", write={"sqlite": "SELECT 'xyz' GLOB '*y*'"})
         self.validate_all(
@@ -112,8 +129,8 @@ class TestSQLite(Validator):
         self.validate_all(
             "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             write={
-                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
-                "sqlite": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname NULLS LAST, lname",
+                "spark": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
+                "sqlite": "SELECT fname, lname, age FROM person ORDER BY age DESC NULLS FIRST, fname ASC NULLS LAST, lname",
             },
         )
         self.validate_all("x", read={"snowflake": "LEAST(x)"})
diff --git a/tests/dialects/test_tsql.py b/tests/dialects/test_tsql.py
index acf8b79..f76894d 100644
--- a/tests/dialects/test_tsql.py
+++ b/tests/dialects/test_tsql.py
@@ -18,16 +18,28 @@ class TestTSQL(Validator):
             'CREATE TABLE x (CONSTRAINT "pk_mytable" UNIQUE NONCLUSTERED (a DESC)) ON b (c)'
         )
 
-        self.validate_identity(
+        self.validate_all(
             """
             CREATE TABLE x(
-                [zip_cd] [varchar](5) NULL NOT FOR REPLICATION
-                CONSTRAINT [pk_mytable] PRIMARY KEY CLUSTERED
-                ([zip_cd_mkey] ASC)
-                WITH (PAD_INDEX = ON, STATISTICS_NORECOMPUTE = OFF) ON [PRIMARY]
-            ) ON [PRIMARY]
+                [zip_cd] [varchar](5) NULL NOT FOR REPLICATION,
+                [zip_cd_mkey] [varchar](5) NOT NULL,
+                CONSTRAINT [pk_mytable] PRIMARY KEY CLUSTERED ([zip_cd_mkey] ASC)
+                WITH (PAD_INDEX = ON, STATISTICS_NORECOMPUTE = OFF) ON [INDEX]
+            ) ON [SECONDARY]
             """,
-            'CREATE TABLE x ("zip_cd" VARCHAR(5) NULL NOT FOR REPLICATION CONSTRAINT "pk_mytable" PRIMARY KEY CLUSTERED ("zip_cd_mkey") WITH (PAD_INDEX=ON, STATISTICS_NORECOMPUTE=OFF) ON "PRIMARY") ON "PRIMARY"',
+            write={
+                "tsql": 'CREATE TABLE x ("zip_cd" VARCHAR(5) NULL NOT FOR REPLICATION, "zip_cd_mkey" VARCHAR(5) NOT NULL, CONSTRAINT "pk_mytable" PRIMARY KEY CLUSTERED ("zip_cd_mkey" ASC)  WITH (PAD_INDEX=ON, STATISTICS_NORECOMPUTE=OFF) ON "INDEX") ON "SECONDARY"',
+                "spark2": "CREATE TABLE x (`zip_cd` VARCHAR(5), `zip_cd_mkey` VARCHAR(5) NOT NULL, CONSTRAINT `pk_mytable` PRIMARY KEY (`zip_cd_mkey`))",
+            },
+        )
+
+        self.validate_identity("CREATE TABLE x (A INTEGER NOT NULL, B INTEGER NULL)")
+
+        self.validate_all(
+            "CREATE TABLE x ( A INTEGER NOT NULL, B INTEGER NULL )",
+            write={
+                "hive": "CREATE TABLE x (A INT NOT NULL, B INT)",
+            },
         )
 
         self.validate_identity(
@@ -123,10 +135,10 @@ class TestTSQL(Validator):
         self.validate_all(
             "STRING_AGG(x, '|') WITHIN GROUP (ORDER BY z ASC)",
             write={
-                "tsql": "STRING_AGG(x, '|') WITHIN GROUP (ORDER BY z)",
-                "mysql": "GROUP_CONCAT(x ORDER BY z SEPARATOR '|')",
+                "tsql": "STRING_AGG(x, '|') WITHIN GROUP (ORDER BY z ASC)",
+                "mysql": "GROUP_CONCAT(x ORDER BY z ASC SEPARATOR '|')",
                 "sqlite": "GROUP_CONCAT(x, '|')",
-                "postgres": "STRING_AGG(x, '|' ORDER BY z NULLS FIRST)",
+                "postgres": "STRING_AGG(x, '|' ORDER BY z ASC NULLS FIRST)",
             },
         )
         self.validate_all(
@@ -186,6 +198,7 @@ class TestTSQL(Validator):
             },
         )
         self.validate_identity("HASHBYTES('MD2', 'x')")
+        self.validate_identity("LOG(n, b)")
 
     def test_types(self):
         self.validate_identity("CAST(x AS XML)")
@@ -494,6 +507,12 @@ class TestTSQL(Validator):
             },
         )
         self.validate_all(
+            "SELECT * INTO foo.bar.baz FROM (SELECT * FROM a.b.c) AS temp",
+            read={
+                "": "CREATE TABLE foo.bar.baz AS SELECT * FROM a.b.c",
+            },
+        )
+        self.validate_all(
             "IF NOT EXISTS (SELECT * FROM sys.indexes WHERE object_id = object_id('db.tbl') AND name = 'idx') EXEC('CREATE INDEX idx ON db.tbl')",
             read={
                 "": "CREATE INDEX IF NOT EXISTS idx ON db.tbl",
@@ -507,12 +526,17 @@ class TestTSQL(Validator):
             },
         )
         self.validate_all(
-            "IF NOT EXISTS (SELECT * FROM information_schema.tables WHERE table_name = 'foo') EXEC('CREATE TABLE foo (a INTEGER)')",
+            "IF NOT EXISTS (SELECT * FROM information_schema.tables WHERE table_name = 'baz' AND table_schema = 'bar' AND table_catalog = 'foo') EXEC('CREATE TABLE foo.bar.baz (a INTEGER)')",
             read={
-                "": "CREATE TABLE IF NOT EXISTS foo (a INTEGER)",
+                "": "CREATE TABLE IF NOT EXISTS foo.bar.baz (a INTEGER)",
+            },
+        )
+        self.validate_all(
+            "IF NOT EXISTS (SELECT * FROM information_schema.tables WHERE table_name = 'baz' AND table_schema = 'bar' AND table_catalog = 'foo') EXEC('SELECT * INTO foo.bar.baz FROM (SELECT ''2020'' AS z FROM a.b.c) AS temp')",
+            read={
+                "": "CREATE TABLE IF NOT EXISTS foo.bar.baz AS SELECT '2020' AS z FROM a.b.c",
             },
         )
-
         self.validate_all(
             "CREATE OR ALTER VIEW a.b AS SELECT 1",
             read={
@@ -553,15 +577,11 @@ class TestTSQL(Validator):
                 "oracle": "CREATE TEMPORARY TABLE mytemptable (a NUMBER)",
             },
         )
+
+    def test_insert_cte(self):
         self.validate_all(
-            "CREATE TABLE #mytemptable AS SELECT a FROM Source_Table",
-            write={
-                "duckdb": "CREATE TEMPORARY TABLE mytemptable AS SELECT a FROM Source_Table",
-                "oracle": "CREATE TEMPORARY TABLE mytemptable AS SELECT a FROM Source_Table",
-                "snowflake": "CREATE TEMPORARY TABLE mytemptable AS SELECT a FROM Source_Table",
-                "spark": "CREATE TEMPORARY VIEW mytemptable AS SELECT a FROM Source_Table",
-                "tsql": "CREATE TABLE #mytemptable AS SELECT a FROM Source_Table",
-            },
+            "INSERT INTO foo.bar WITH cte AS (SELECT 1 AS one) SELECT * FROM cte",
+            write={"tsql": "WITH cte AS (SELECT 1 AS one) INSERT INTO foo.bar SELECT * FROM cte"},
         )
 
     def test_transaction(self):
@@ -709,18 +729,14 @@ WHERE
             SET @CurrentDate = CONVERT(VARCHAR(20), GETDATE(), 120);
 
             CREATE TABLE [target_schema].[target_table]
-            WITH (DISTRIBUTION = REPLICATE, HEAP)
-            AS
-
-            SELECT
-                @CurrentDate AS DWCreatedDate
-            FROM source_schema.sourcetable;
+            (a INTEGER)
+            WITH (DISTRIBUTION = REPLICATE, HEAP);
         """
 
         expected_sqls = [
             'CREATE PROC "dbo"."transform_proc" AS DECLARE @CurrentDate VARCHAR(20)',
             "SET @CurrentDate = CAST(FORMAT(GETDATE(), 'yyyy-MM-dd HH:mm:ss') AS VARCHAR(20))",
-            'CREATE TABLE "target_schema"."target_table" WITH (DISTRIBUTION=REPLICATE, HEAP) AS SELECT @CurrentDate AS DWCreatedDate FROM source_schema.sourcetable',
+            'CREATE TABLE "target_schema"."target_table" (a INTEGER) WITH (DISTRIBUTION=REPLICATE, HEAP)',
         ]
 
         for expr, expected_sql in zip(parse(sql, read="tsql"), expected_sqls):
@@ -1178,6 +1194,16 @@ WHERE
         self.assertIsInstance(table.this, exp.Parameter)
         self.assertIsInstance(table.this.this, exp.Var)
 
+        self.validate_all(
+            "SELECT @x",
+            write={
+                "databricks": "SELECT ${x}",
+                "hive": "SELECT ${x}",
+                "spark": "SELECT ${x}",
+                "tsql": "SELECT @x",
+            },
+        )
+
     def test_temp_table(self):
         self.validate_all(
             "SELECT * FROM #mytemptable",
@@ -1319,3 +1345,21 @@ FROM OPENJSON(@json) WITH (
             },
             pretty=True,
         )
+
+    def test_set(self):
+        self.validate_all(
+            "SET KEY VALUE",
+            write={
+                "tsql": "SET KEY VALUE",
+                "duckdb": "SET KEY = VALUE",
+                "spark": "SET KEY = VALUE",
+            },
+        )
+        self.validate_all(
+            "SET @count = (SELECT COUNT(1) FROM x)",
+            write={
+                "databricks": "SET count = (SELECT COUNT(1) FROM x)",
+                "tsql": "SET @count = (SELECT COUNT(1) FROM x)",
+                "spark": "SET count = (SELECT COUNT(1) FROM x)",
+            },
+        )