Merging upstream version 18.5.1.

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

6 files changed, 115 insertions, 12 deletions

diff --git a/tests/dialects/test_bigquery.py b/tests/dialects/test_bigquery.py
index b776bdd..448a077 100644
--- a/tests/dialects/test_bigquery.py
+++ b/tests/dialects/test_bigquery.py
@@ -9,8 +9,11 @@ class TestBigQuery(Validator):
     maxDiff = None
 
     def test_bigquery(self):
-        self.validate_identity("""SELECT JSON '"foo"' AS json_data""")
         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
@@ -176,10 +179,18 @@ WHERE
             write={
                 "bigquery": "SELECT TIMESTAMP_ADD(CAST('2008-12-25 15:30:00+00' AS TIMESTAMP), INTERVAL 10 MINUTE)",
                 "databricks": "SELECT DATEADD(MINUTE, 10, CAST('2008-12-25 15:30:00+00' AS TIMESTAMP))",
+                "mysql": "SELECT DATE_ADD(TIMESTAMP('2008-12-25 15:30:00+00'), INTERVAL 10 MINUTE)",
                 "spark": "SELECT DATEADD(MINUTE, 10, CAST('2008-12-25 15:30:00+00' AS TIMESTAMP))",
             },
         )
         self.validate_all(
+            'SELECT TIMESTAMP_SUB(TIMESTAMP "2008-12-25 15:30:00+00", INTERVAL 10 MINUTE)',
+            write={
+                "bigquery": "SELECT TIMESTAMP_SUB(CAST('2008-12-25 15:30:00+00' AS TIMESTAMP), INTERVAL 10 MINUTE)",
+                "mysql": "SELECT DATE_SUB(TIMESTAMP('2008-12-25 15:30:00+00'), INTERVAL 10 MINUTE)",
+            },
+        )
+        self.validate_all(
             "MD5(x)",
             write={
                 "": "MD5_DIGEST(x)",
@@ -796,7 +807,7 @@ WHERE
         )
         self.validate_identity(
             """SELECT JSON_OBJECT(['a', 'b'], [JSON '10', JSON '"foo"']) AS json_data""",
-            """SELECT JSON_OBJECT('a', JSON '10', 'b', JSON '"foo"') AS json_data""",
+            """SELECT JSON_OBJECT('a', PARSE_JSON('10'), 'b', PARSE_JSON('"foo"')) AS json_data""",
         )
         self.validate_identity(
             "SELECT JSON_OBJECT(['a', 'b'], [STRUCT(10 AS id, 'Red' AS color), STRUCT(20 AS id, 'Blue' AS color)]) AS json_data",
diff --git a/tests/dialects/test_duckdb.py b/tests/dialects/test_duckdb.py
index c5ee679..36fca7c 100644
--- a/tests/dialects/test_duckdb.py
+++ b/tests/dialects/test_duckdb.py
@@ -348,6 +348,27 @@ class TestDuckDB(Validator):
             "SELECT CAST('2020-05-06' AS DATE) + INTERVAL 5 DAY",
             read={"bigquery": "SELECT DATE_ADD(CAST('2020-05-06' AS DATE), INTERVAL 5 DAY)"},
         )
+        self.validate_all(
+            "SELECT QUANTILE_CONT(x, q) FROM t",
+            write={
+                "duckdb": "SELECT QUANTILE_CONT(x, q) FROM t",
+                "postgres": "SELECT PERCENTILE_CONT(q) WITHIN GROUP (ORDER BY x) FROM t",
+            },
+        )
+        self.validate_all(
+            "SELECT QUANTILE_DISC(x, q) FROM t",
+            write={
+                "duckdb": "SELECT QUANTILE_DISC(x, q) FROM t",
+                "postgres": "SELECT PERCENTILE_DISC(q) WITHIN GROUP (ORDER BY x) FROM t",
+            },
+        )
+        self.validate_all(
+            "SELECT MEDIAN(x) FROM t",
+            write={
+                "duckdb": "SELECT QUANTILE_CONT(x, 0.5) FROM t",
+                "postgres": "SELECT PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY x) FROM t",
+            },
+        )
 
         with self.assertRaises(UnsupportedError):
             transpile(
diff --git a/tests/dialects/test_mysql.py b/tests/dialects/test_mysql.py
index 6104e3f..e362e9e 100644
--- a/tests/dialects/test_mysql.py
+++ b/tests/dialects/test_mysql.py
@@ -19,6 +19,7 @@ class TestMySQL(Validator):
             },
         )
 
+        self.validate_identity("CREATE TABLE foo (a BIGINT, UNIQUE (b) USING BTREE)")
         self.validate_identity("CREATE TABLE foo (id BIGINT)")
         self.validate_identity("CREATE TABLE 00f (1d BIGINT)")
         self.validate_identity("UPDATE items SET items.price = 0 WHERE items.id >= 5 LIMIT 10")
@@ -107,9 +108,8 @@ class TestMySQL(Validator):
         )
 
     def test_identity(self):
-        self.validate_identity(
-            "SELECT * FROM x ORDER BY BINARY a", "SELECT * FROM x ORDER BY CAST(a AS BINARY)"
-        )
+        self.validate_identity("UNLOCK TABLES")
+        self.validate_identity("LOCK TABLES `app_fields` WRITE")
         self.validate_identity("SELECT 1 XOR 0")
         self.validate_identity("SELECT 1 && 0", "SELECT 1 AND 0")
         self.validate_identity("SELECT /*+ BKA(t1) NO_BKA(t2) */ * FROM t1 INNER JOIN t2")
@@ -134,6 +134,9 @@ class TestMySQL(Validator):
         self.validate_identity("SELECT * FROM t1, t2 FOR SHARE OF t1, t2 SKIP LOCKED")
         self.validate_identity("SELECT a || b", "SELECT a OR b")
         self.validate_identity(
+            "SELECT * FROM x ORDER BY BINARY a", "SELECT * FROM x ORDER BY CAST(a AS BINARY)"
+        )
+        self.validate_identity(
             """SELECT * FROM foo WHERE 3 MEMBER OF(JSON_EXTRACT(info, '$.value'))"""
         )
         self.validate_identity(
@@ -546,7 +549,7 @@ class TestMySQL(Validator):
                 "oracle": "SELECT a FROM tbl FOR UPDATE",
                 "postgres": "SELECT a FROM tbl FOR UPDATE",
                 "redshift": "SELECT a FROM tbl",
-                "tsql": "SELECT a FROM tbl FOR UPDATE",
+                "tsql": "SELECT a FROM tbl",
             },
         )
         self.validate_all(
@@ -556,7 +559,7 @@ class TestMySQL(Validator):
                 "mysql": "SELECT a FROM tbl FOR SHARE",
                 "oracle": "SELECT a FROM tbl FOR SHARE",
                 "postgres": "SELECT a FROM tbl FOR SHARE",
-                "tsql": "SELECT a FROM tbl FOR SHARE",
+                "tsql": "SELECT a FROM tbl",
             },
         )
         self.validate_all(
@@ -868,3 +871,17 @@ COMMENT='客户账户表'"""
 
     def test_json_object(self):
         self.validate_identity("SELECT JSON_OBJECT('id', 87, 'name', 'carrot')")
+
+    def test_is_null(self):
+        self.validate_all(
+            "SELECT ISNULL(x)", write={"": "SELECT (x IS NULL)", "mysql": "SELECT (x IS NULL)"}
+        )
+
+    def test_monthname(self):
+        self.validate_all(
+            "MONTHNAME(x)",
+            write={
+                "": "TIME_TO_STR(x, '%B')",
+                "mysql": "DATE_FORMAT(x, '%M')",
+            },
+        )
diff --git a/tests/dialects/test_oracle.py b/tests/dialects/test_oracle.py
index 2dfd179..675ee8a 100644
--- a/tests/dialects/test_oracle.py
+++ b/tests/dialects/test_oracle.py
@@ -6,6 +6,7 @@ class TestOracle(Validator):
     dialect = "oracle"
 
     def test_oracle(self):
+        self.validate_identity("SELECT x FROM t WHERE cond FOR UPDATE")
         self.validate_identity("SELECT JSON_OBJECT(k1: v1 FORMAT JSON, k2: v2 FORMAT JSON)")
         self.validate_identity("SELECT JSON_OBJECT('name': first_name || ' ' || last_name) FROM t")
         self.validate_identity("COALESCE(c1, c2, c3)")
@@ -50,6 +51,14 @@ class TestOracle(Validator):
             "SELECT UNIQUE col1, col2 FROM table",
             "SELECT DISTINCT col1, col2 FROM table",
         )
+        self.validate_identity(
+            "SELECT * FROM T ORDER BY I OFFSET nvl(:variable1, 10) ROWS FETCH NEXT nvl(:variable2, 10) ROWS ONLY",
+            "SELECT * FROM T ORDER BY I OFFSET COALESCE(:variable1, 10) ROWS FETCH NEXT COALESCE(:variable2, 10) ROWS ONLY",
+        )
+        self.validate_identity(
+            "SELECT * FROM t SAMPLE (.25)",
+            "SELECT * FROM t SAMPLE (0.25)",
+        )
 
         self.validate_all(
             "NVL(NULL, 1)",
@@ -82,6 +91,16 @@ class TestOracle(Validator):
                 "": "CAST(x AS FLOAT)",
             },
         )
+        self.validate_all(
+            "CAST(x AS sch.udt)",
+            read={
+                "postgres": "CAST(x AS sch.udt)",
+            },
+            write={
+                "oracle": "CAST(x AS sch.udt)",
+                "postgres": "CAST(x AS sch.udt)",
+            },
+        )
 
     def test_join_marker(self):
         self.validate_identity("SELECT e1.x, e2.x FROM e e1, e e2 WHERE e1.y (+) = e2.y")
@@ -218,3 +237,25 @@ INNER JOIN JSON_TABLE(:emps, '$[*]' COLUMNS (empno NUMBER PATH '$')) jt
   ON ar.empno = jt.empno""",
             pretty=True,
         )
+
+    def test_connect_by(self):
+        start = "START WITH last_name = 'King'"
+        connect = "CONNECT BY PRIOR employee_id = manager_id AND LEVEL <= 4"
+        body = """
+            SELECT last_name "Employee",
+            LEVEL, SYS_CONNECT_BY_PATH(last_name, '/') "Path"
+            FROM employees
+            WHERE level <= 3 AND department_id = 80
+        """
+        pretty = """SELECT
+  last_name AS "Employee",
+  LEVEL,
+  SYS_CONNECT_BY_PATH(last_name, '/') AS "Path"
+FROM employees
+START WITH last_name = 'King'
+CONNECT BY PRIOR employee_id = manager_id AND LEVEL <= 4
+WHERE
+  level <= 3 AND department_id = 80"""
+
+        for query in (f"{body}{start}{connect}", f"{body}{connect}{start}"):
+            self.validate_identity(query, pretty, pretty=True)
diff --git a/tests/dialects/test_postgres.py b/tests/dialects/test_postgres.py
index 151f3af..285496a 100644
--- a/tests/dialects/test_postgres.py
+++ b/tests/dialects/test_postgres.py
@@ -207,6 +207,7 @@ class TestPostgres(Validator):
             "SELECT PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY amount)",
             write={
                 "databricks": "SELECT PERCENTILE_APPROX(amount, 0.5)",
+                "postgres": "SELECT PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY amount)",
                 "presto": "SELECT APPROX_PERCENTILE(amount, 0.5)",
                 "spark": "SELECT PERCENTILE_APPROX(amount, 0.5)",
                 "trino": "SELECT APPROX_PERCENTILE(amount, 0.5)",
diff --git a/tests/dialects/test_presto.py b/tests/dialects/test_presto.py
index dbca5b3..a92f04f 100644
--- a/tests/dialects/test_presto.py
+++ b/tests/dialects/test_presto.py
@@ -358,6 +358,10 @@ class TestPresto(Validator):
             write={"presto": "CAST(x AS TIMESTAMP)"},
             read={"mysql": "CAST(x AS DATETIME)", "clickhouse": "CAST(x AS DATETIME64)"},
         )
+        self.validate_all(
+            "CAST(x AS TIMESTAMP)",
+            read={"mysql": "TIMESTAMP(x)"},
+        )
 
     def test_ddl(self):
         self.validate_all(
@@ -518,6 +522,14 @@ class TestPresto(Validator):
         )
 
         self.validate_all(
+            """JSON '"foo"'""",
+            write={
+                "bigquery": """PARSE_JSON('"foo"')""",
+                "presto": """JSON_PARSE('"foo"')""",
+                "snowflake": """PARSE_JSON('"foo"')""",
+            },
+        )
+        self.validate_all(
             "SELECT ROW(1, 2)",
             read={
                 "spark": "SELECT STRUCT(1, 2)",
@@ -824,9 +836,9 @@ class TestPresto(Validator):
         self.validate_all(
             """JSON_FORMAT(JSON '"x"')""",
             write={
-                "bigquery": """TO_JSON_STRING(JSON '"x"')""",
-                "duckdb": """CAST(TO_JSON(CAST('"x"' AS JSON)) AS TEXT)""",
-                "presto": """JSON_FORMAT(CAST('"x"' AS JSON))""",
+                "bigquery": """TO_JSON_STRING(PARSE_JSON('"x"'))""",
+                "duckdb": """CAST(TO_JSON(JSON('"x"')) AS TEXT)""",
+                "presto": """JSON_FORMAT(JSON_PARSE('"x"'))""",
                 "spark": """REGEXP_EXTRACT(TO_JSON(FROM_JSON('["x"]', SCHEMA_OF_JSON('["x"]'))), '^.(.*).$', 1)""",
             },
         )
@@ -916,14 +928,14 @@ class TestPresto(Validator):
             "SELECT CAST(JSON '[1,23,456]' AS ARRAY(INTEGER))",
             write={
                 "spark": "SELECT FROM_JSON('[1,23,456]', 'ARRAY<INT>')",
-                "presto": "SELECT CAST(CAST('[1,23,456]' AS JSON) AS ARRAY(INTEGER))",
+                "presto": "SELECT CAST(JSON_PARSE('[1,23,456]') AS ARRAY(INTEGER))",
             },
         )
         self.validate_all(
             """SELECT CAST(JSON '{"k1":1,"k2":23,"k3":456}' AS MAP(VARCHAR, INTEGER))""",
             write={
                 "spark": 'SELECT FROM_JSON(\'{"k1":1,"k2":23,"k3":456}\', \'MAP<STRING, INT>\')',
-                "presto": 'SELECT CAST(CAST(\'{"k1":1,"k2":23,"k3":456}\' AS JSON) AS MAP(VARCHAR, INTEGER))',
+                "presto": 'SELECT CAST(JSON_PARSE(\'{"k1":1,"k2":23,"k3":456}\') AS MAP(VARCHAR, INTEGER))',
             },
         )