dbcli/sqlglot
1
0
Fork 0
Code Issues Activity

Adding upstream version 25.20.1.

Browse source 
Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-13 21:53:56 +01:00
parent b35dbeb6b6
commit 0b78a18345
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
119 changed files with 78094 additions and 71498 deletions
Download patch file Download diff file Expand all files Collapse all files

46
tests/dialects/test_athena.py
View file

@ -23,3 +23,49 @@ class TestAthena(Validator):
some_function(1)""",
check_command_warning=True,
)
def test_ddl_quoting(self):
self.validate_identity("CREATE SCHEMA `foo`")
self.validate_identity("CREATE SCHEMA foo")
self.validate_identity("CREATE SCHEMA foo", write_sql="CREATE SCHEMA `foo`", identify=True)
self.validate_identity("CREATE EXTERNAL TABLE `foo` (`id` INTEGER) LOCATION 's3://foo/'")
self.validate_identity("CREATE EXTERNAL TABLE foo (id INTEGER) LOCATION 's3://foo/'")
self.validate_identity(
"CREATE EXTERNAL TABLE foo (id INTEGER) LOCATION 's3://foo/'",
write_sql="CREATE EXTERNAL TABLE `foo` (`id` INTEGER) LOCATION 's3://foo/'",
identify=True,
)
self.validate_identity("DROP TABLE `foo`")
self.validate_identity("DROP TABLE foo")
self.validate_identity("DROP TABLE foo", write_sql="DROP TABLE `foo`", identify=True)
self.validate_identity('CREATE VIEW "foo" AS SELECT "id" FROM "tbl"')
self.validate_identity("CREATE VIEW foo AS SELECT id FROM tbl")
self.validate_identity(
"CREATE VIEW foo AS SELECT id FROM tbl",
write_sql='CREATE VIEW "foo" AS SELECT "id" FROM "tbl"',
identify=True,
)
# As a side effect of being able to parse both quote types, we can also fix the quoting on incorrectly quoted source queries
self.validate_identity('CREATE SCHEMA "foo"', write_sql="CREATE SCHEMA `foo`")
self.validate_identity(
'CREATE EXTERNAL TABLE "foo" ("id" INTEGER) LOCATION \'s3://foo/\'',
write_sql="CREATE EXTERNAL TABLE `foo` (`id` INTEGER) LOCATION 's3://foo/'",
)
self.validate_identity('DROP TABLE "foo"', write_sql="DROP TABLE `foo`")
self.validate_identity(
'CREATE VIEW `foo` AS SELECT "id" FROM `tbl`',
write_sql='CREATE VIEW "foo" AS SELECT "id" FROM "tbl"',
)
def test_dml_quoting(self):
self.validate_identity("SELECT a AS foo FROM tbl")
self.validate_identity('SELECT "a" AS "foo" FROM "tbl"')
self.validate_identity(
'SELECT `a` AS `foo` FROM "tbl"',
write_sql='SELECT "a" AS "foo" FROM "tbl"',
identify=True,
)

64
tests/dialects/test_bigquery.py
View file

@ -108,7 +108,6 @@ LANGUAGE js AS
self.validate_identity("SELECT * FROM READ_CSV('bla.csv')")
self.validate_identity("CAST(x AS STRUCT<list ARRAY<INT64>>)")
self.validate_identity("assert.true(1 = 1)")
self.validate_identity("SELECT ARRAY_TO_STRING(list, '--') AS text")
self.validate_identity("SELECT jsondoc['some_key']")
self.validate_identity("SELECT `p.d.UdF`(data).* FROM `p.d.t`")
self.validate_identity("SELECT * FROM `my-project.my-dataset.my-table`")
@ -631,9 +630,9 @@ LANGUAGE js AS
self.validate_all(
"SELECT DATETIME_ADD('2023-01-01T00:00:00', INTERVAL 1 MILLISECOND)",
write={
"bigquery": "SELECT DATETIME_ADD('2023-01-01T00:00:00', INTERVAL 1 MILLISECOND)",
"databricks": "SELECT TIMESTAMPADD(MILLISECOND, 1, '2023-01-01T00:00:00')",
"duckdb": "SELECT CAST('2023-01-01T00:00:00' AS DATETIME) + INTERVAL 1 MILLISECOND",
"bigquery": "SELECT DATETIME_ADD('2023-01-01T00:00:00', INTERVAL '1' MILLISECOND)",
"databricks": "SELECT TIMESTAMPADD(MILLISECOND, '1', '2023-01-01T00:00:00')",
"duckdb": "SELECT CAST('2023-01-01T00:00:00' AS DATETIME) + INTERVAL '1' MILLISECOND",
},
),
)
@ -641,9 +640,9 @@ LANGUAGE js AS
self.validate_all(
"SELECT DATETIME_SUB('2023-01-01T00:00:00', INTERVAL 1 MILLISECOND)",
write={
"bigquery": "SELECT DATETIME_SUB('2023-01-01T00:00:00', INTERVAL 1 MILLISECOND)",
"databricks": "SELECT TIMESTAMPADD(MILLISECOND, 1 * -1, '2023-01-01T00:00:00')",
"duckdb": "SELECT CAST('2023-01-01T00:00:00' AS DATETIME) - INTERVAL 1 MILLISECOND",
"bigquery": "SELECT DATETIME_SUB('2023-01-01T00:00:00', INTERVAL '1' MILLISECOND)",
"databricks": "SELECT TIMESTAMPADD(MILLISECOND, '1' * -1, '2023-01-01T00:00:00')",
"duckdb": "SELECT CAST('2023-01-01T00:00:00' AS DATETIME) - INTERVAL '1' MILLISECOND",
},
),
)
@ -661,17 +660,24 @@ LANGUAGE js AS
self.validate_all(
'SELECT TIMESTAMP_ADD(TIMESTAMP "2008-12-25 15:30:00+00", INTERVAL 10 MINUTE)',
write={
"bigquery": "SELECT TIMESTAMP_ADD(CAST('2008-12-25 15:30:00+00' AS TIMESTAMP), INTERVAL 10 MINUTE)",
"databricks": "SELECT DATE_ADD(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 DATE_ADD(MINUTE, 10, CAST('2008-12-25 15:30:00+00' AS TIMESTAMP))",
"bigquery": "SELECT TIMESTAMP_ADD(CAST('2008-12-25 15:30:00+00' AS TIMESTAMP), INTERVAL '10' MINUTE)",
"databricks": "SELECT DATE_ADD(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 DATE_ADD(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)",
"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(
"SELECT TIME_ADD(CAST('09:05:03' AS TIME), INTERVAL 2 HOUR)",
write={
"bigquery": "SELECT TIME_ADD(CAST('09:05:03' AS TIME), INTERVAL '2' HOUR)",
"duckdb": "SELECT CAST('09:05:03' AS TIME) + INTERVAL '2' HOUR",
},
)
self.validate_all(
@ -1237,19 +1243,19 @@ LANGUAGE js AS
"DATE_SUB(CURRENT_DATE(), INTERVAL 1 DAY)",
write={
"postgres": "CURRENT_DATE - INTERVAL '1 DAY'",
"bigquery": "DATE_SUB(CURRENT_DATE, INTERVAL 1 DAY)",
"bigquery": "DATE_SUB(CURRENT_DATE, INTERVAL '1' DAY)",
},
)
self.validate_all(
"DATE_ADD(CURRENT_DATE(), INTERVAL 1 DAY)",
"DATE_ADD(CURRENT_DATE(), INTERVAL -1 DAY)",
write={
"bigquery": "DATE_ADD(CURRENT_DATE, INTERVAL 1 DAY)",
"duckdb": "CURRENT_DATE + INTERVAL 1 DAY",
"mysql": "DATE_ADD(CURRENT_DATE, INTERVAL 1 DAY)",
"postgres": "CURRENT_DATE + INTERVAL '1 DAY'",
"presto": "DATE_ADD('DAY', 1, CURRENT_DATE)",
"hive": "DATE_ADD(CURRENT_DATE, 1)",
"spark": "DATE_ADD(CURRENT_DATE, 1)",
"bigquery": "DATE_ADD(CURRENT_DATE, INTERVAL '-1' DAY)",
"duckdb": "CURRENT_DATE + INTERVAL '-1' DAY",
"mysql": "DATE_ADD(CURRENT_DATE, INTERVAL '-1' DAY)",
"postgres": "CURRENT_DATE + INTERVAL '-1 DAY'",
"presto": "DATE_ADD('DAY', CAST('-1' AS BIGINT), CURRENT_DATE)",
"hive": "DATE_ADD(CURRENT_DATE, '-1')",
"spark": "DATE_ADD(CURRENT_DATE, '-1')",
},
)
self.validate_all(
@ -1478,6 +1484,20 @@ WHERE
"duckdb": "SELECT CAST(STRPTIME('Thursday Dec 25 2008', '%A %b %-d %Y') AS DATE)",
},
)
self.validate_all(
"SELECT ARRAY_TO_STRING(['cake', 'pie', NULL], '--') AS text",
write={
"bigquery": "SELECT ARRAY_TO_STRING(['cake', 'pie', NULL], '--') AS text",
"duckdb": "SELECT ARRAY_TO_STRING(['cake', 'pie', NULL], '--') AS text",
},
)
self.validate_all(
"SELECT ARRAY_TO_STRING(['cake', 'pie', NULL], '--', 'MISSING') AS text",
write={
"bigquery": "SELECT ARRAY_TO_STRING(['cake', 'pie', NULL], '--', 'MISSING') AS text",
"duckdb": "SELECT ARRAY_TO_STRING(LIST_TRANSFORM(['cake', 'pie', NULL], x -> COALESCE(x, 'MISSING')), '--') AS text",
},
)
def test_errors(self):
with self.assertRaises(TokenError):

28
tests/dialects/test_clickhouse.py
View file

@ -159,6 +159,27 @@ class TestClickhouse(Validator):
"SELECT SUM(1) AS impressions FROM (SELECT ['Istanbul', 'Berlin', 'Bobruisk'] AS cities) WHERE arrayJoin(cities) IN ('Istanbul', 'Berlin')",
)
self.validate_all(
"char(67) || char(65) || char(84)",
read={
"clickhouse": "char(67) || char(65) || char(84)",
"oracle": "chr(67) || chr(65) || chr(84)",
},
)
self.validate_all(
"SELECT lagInFrame(salary, 1, 0) OVER (ORDER BY hire_date) AS prev_sal FROM employees",
read={
"clickhouse": "SELECT lagInFrame(salary, 1, 0) OVER (ORDER BY hire_date) AS prev_sal FROM employees",
"oracle": "SELECT LAG(salary, 1, 0) OVER (ORDER BY hire_date) AS prev_sal FROM employees",
},
)
self.validate_all(
"SELECT leadInFrame(salary, 1, 0) OVER (ORDER BY hire_date) AS prev_sal FROM employees",
read={
"clickhouse": "SELECT leadInFrame(salary, 1, 0) OVER (ORDER BY hire_date) AS prev_sal FROM employees",
"oracle": "SELECT LEAD(salary, 1, 0) OVER (ORDER BY hire_date) AS prev_sal FROM employees",
},
)
self.validate_all(
"SELECT CAST(STR_TO_DATE('05 12 2000', '%d %m %Y') AS DATE)",
read={
@ -494,6 +515,7 @@ class TestClickhouse(Validator):
)
self.validate_identity("SELECT TRIM(TRAILING ')' FROM '( Hello, world! )')")
self.validate_identity("SELECT TRIM(LEADING '(' FROM '( Hello, world! )')")
self.validate_identity("current_timestamp").assert_is(exp.Column)
def test_clickhouse_values(self):
values = exp.select("*").from_(
@ -995,6 +1017,12 @@ LIFETIME(MIN 0 MAX 0)""",
pretty=True,
)
self.assertIsNotNone(
self.validate_identity("CREATE TABLE t1 (a String MATERIALIZED func())").find(
exp.ColumnConstraint
)
)
def test_agg_functions(self):
def extract_agg_func(query):
return parse_one(query, read="clickhouse").selects[0].this

141
tests/dialects/test_dialect.py
View file

@ -20,7 +20,9 @@ class Validator(unittest.TestCase):
def parse_one(self, sql, **kwargs):
return parse_one(sql, read=self.dialect, **kwargs)
def validate_identity(self, sql, write_sql=None, pretty=False, check_command_warning=False):
def validate_identity(
self, sql, write_sql=None, pretty=False, check_command_warning=False, identify=False
):
if check_command_warning:
with self.assertLogs(parser_logger) as cm:
expression = self.parse_one(sql)
@ -28,7 +30,9 @@ class Validator(unittest.TestCase):
else:
expression = self.parse_one(sql)
self.assertEqual(write_sql or sql, expression.sql(dialect=self.dialect, pretty=pretty))
self.assertEqual(
write_sql or sql, expression.sql(dialect=self.dialect, pretty=pretty, identify=identify)
)
return expression
def validate_all(self, sql, read=None, write=None, pretty=False, identify=False):
@ -1408,6 +1412,13 @@ class TestDialect(Validator):
},
)
for dialect in ("duckdb", "starrocks"):
with self.subTest(f"Generating json extraction with digit-prefixed key ({dialect})"):
self.assertEqual(
parse_one("""select '{"0": "v"}' -> '0'""", read=dialect).sql(dialect=dialect),
"""SELECT '{"0": "v"}' -> '0'""",
)
def test_cross_join(self):
self.validate_all(
"SELECT a FROM x CROSS JOIN UNNEST(y) AS t (a)",
@ -1422,7 +1433,7 @@ class TestDialect(Validator):
write={
"drill": "SELECT a, b FROM x CROSS JOIN UNNEST(y, z) AS t(a, b)",
"presto": "SELECT a, b FROM x CROSS JOIN UNNEST(y, z) AS t(a, b)",
"spark": "SELECT a, b FROM x LATERAL VIEW EXPLODE(y) t AS a LATERAL VIEW EXPLODE(z) t AS b",
"spark": "SELECT a, b FROM x LATERAL VIEW INLINE(ARRAYS_ZIP(y, z)) t AS a, b",
},
)
self.validate_all(
@ -1488,12 +1499,14 @@ class TestDialect(Validator):
"SELECT * FROM a INTERSECT SELECT * FROM b",
read={
"bigquery": "SELECT * FROM a INTERSECT DISTINCT SELECT * FROM b",
"clickhouse": "SELECT * FROM a INTERSECT DISTINCT SELECT * FROM b",
"duckdb": "SELECT * FROM a INTERSECT SELECT * FROM b",
"presto": "SELECT * FROM a INTERSECT SELECT * FROM b",
"spark": "SELECT * FROM a INTERSECT SELECT * FROM b",
},
write={
"bigquery": "SELECT * FROM a INTERSECT DISTINCT SELECT * FROM b",
"clickhouse": "SELECT * FROM a INTERSECT DISTINCT SELECT * FROM b",
"duckdb": "SELECT * FROM a INTERSECT SELECT * FROM b",
"presto": "SELECT * FROM a INTERSECT SELECT * FROM b",
"spark": "SELECT * FROM a INTERSECT SELECT * FROM b",
@ -1503,12 +1516,14 @@ class TestDialect(Validator):
"SELECT * FROM a EXCEPT SELECT * FROM b",
read={
"bigquery": "SELECT * FROM a EXCEPT DISTINCT SELECT * FROM b",
"clickhouse": "SELECT * FROM a EXCEPT DISTINCT SELECT * FROM b",
"duckdb": "SELECT * FROM a EXCEPT SELECT * FROM b",
"presto": "SELECT * FROM a EXCEPT SELECT * FROM b",
"spark": "SELECT * FROM a EXCEPT SELECT * FROM b",
},
write={
"bigquery": "SELECT * FROM a EXCEPT DISTINCT SELECT * FROM b",
"clickhouse": "SELECT * FROM a EXCEPT DISTINCT SELECT * FROM b",
"duckdb": "SELECT * FROM a EXCEPT SELECT * FROM b",
"presto": "SELECT * FROM a EXCEPT SELECT * FROM b",
"spark": "SELECT * FROM a EXCEPT SELECT * FROM b",
@ -1527,6 +1542,7 @@ class TestDialect(Validator):
"SELECT * FROM a INTERSECT DISTINCT SELECT * FROM b",
write={
"bigquery": "SELECT * FROM a INTERSECT DISTINCT SELECT * FROM b",
"clickhouse": "SELECT * FROM a INTERSECT DISTINCT SELECT * FROM b",
"duckdb": "SELECT * FROM a INTERSECT SELECT * FROM b",
"presto": "SELECT * FROM a INTERSECT SELECT * FROM b",
"spark": "SELECT * FROM a INTERSECT SELECT * FROM b",
@ -1536,6 +1552,7 @@ class TestDialect(Validator):
"SELECT * FROM a INTERSECT ALL SELECT * FROM b",
write={
"bigquery": "SELECT * FROM a INTERSECT ALL SELECT * FROM b",
"clickhouse": "SELECT * FROM a INTERSECT SELECT * FROM b",
"duckdb": "SELECT * FROM a INTERSECT ALL SELECT * FROM b",
"presto": "SELECT * FROM a INTERSECT ALL SELECT * FROM b",
"spark": "SELECT * FROM a INTERSECT ALL SELECT * FROM b",
@ -1545,6 +1562,7 @@ class TestDialect(Validator):
"SELECT * FROM a EXCEPT DISTINCT SELECT * FROM b",
write={
"bigquery": "SELECT * FROM a EXCEPT DISTINCT SELECT * FROM b",
"clickhouse": "SELECT * FROM a EXCEPT DISTINCT SELECT * FROM b",
"duckdb": "SELECT * FROM a EXCEPT SELECT * FROM b",
"presto": "SELECT * FROM a EXCEPT SELECT * FROM b",
"spark": "SELECT * FROM a EXCEPT SELECT * FROM b",
@ -1554,6 +1572,7 @@ class TestDialect(Validator):
"SELECT * FROM a EXCEPT ALL SELECT * FROM b",
read={
"bigquery": "SELECT * FROM a EXCEPT ALL SELECT * FROM b",
"clickhouse": "SELECT * FROM a EXCEPT ALL SELECT * FROM b",
"duckdb": "SELECT * FROM a EXCEPT ALL SELECT * FROM b",
"presto": "SELECT * FROM a EXCEPT ALL SELECT * FROM b",
"spark": "SELECT * FROM a EXCEPT ALL SELECT * FROM b",
@ -2354,7 +2373,7 @@ SELECT
"mysql": "SELECT * FROM (SELECT *, COUNT(*) OVER () AS _w FROM t) AS _t WHERE _w > 1",
"oracle": "SELECT * FROM (SELECT *, COUNT(*) OVER () AS _w FROM t) _t WHERE _w > 1",
"postgres": "SELECT * FROM (SELECT *, COUNT(*) OVER () AS _w FROM t) AS _t WHERE _w > 1",
"tsql": "SELECT * FROM (SELECT *, COUNT(*) OVER () AS _w FROM t) AS _t WHERE _w > 1",
"tsql": "SELECT * FROM (SELECT *, COUNT_BIG(*) OVER () AS _w FROM t) AS _t WHERE _w > 1",
},
)
self.validate_all(
@ -2366,7 +2385,7 @@ SELECT
"mysql": "SELECT `user id`, some_id, other_id, `2 nd id` FROM (SELECT `user id`, some_id, 1 AS other_id, 2 AS `2 nd id`, COUNT(*) OVER () AS _w FROM t) AS _t WHERE _w > 1",
"oracle": 'SELECT "user id", some_id, other_id, "2 nd id" FROM (SELECT "user id", some_id, 1 AS other_id, 2 AS "2 nd id", COUNT(*) OVER () AS _w FROM t) _t WHERE _w > 1',
"postgres": 'SELECT "user id", some_id, other_id, "2 nd id" FROM (SELECT "user id", some_id, 1 AS other_id, 2 AS "2 nd id", COUNT(*) OVER () AS _w FROM t) AS _t WHERE _w > 1',
"tsql": "SELECT [user id], some_id, other_id, [2 nd id] FROM (SELECT [user id] AS [user id], some_id AS some_id, 1 AS other_id, 2 AS [2 nd id], COUNT(*) OVER () AS _w FROM t) AS _t WHERE _w > 1",
"tsql": "SELECT [user id], some_id, other_id, [2 nd id] FROM (SELECT [user id] AS [user id], some_id AS some_id, 1 AS other_id, 2 AS [2 nd id], COUNT_BIG(*) OVER () AS _w FROM t) AS _t WHERE _w > 1",
},
)
@ -2722,3 +2741,115 @@ FROM subquery2""",
"tsql": "WITH _generated_dates(date_week) AS (SELECT CAST('2020-01-01' AS DATE) AS date_week UNION ALL SELECT CAST(DATEADD(WEEK, 1, date_week) AS DATE) FROM _generated_dates WHERE CAST(DATEADD(WEEK, 1, date_week) AS DATE) <= CAST('2020-02-01' AS DATE)) SELECT * FROM (SELECT date_week AS date_week FROM _generated_dates) AS _generated_dates",
},
)
def test_set_operation_specifiers(self):
self.validate_all(
"SELECT 1 EXCEPT ALL SELECT 1",
write={
"": "SELECT 1 EXCEPT ALL SELECT 1",
"bigquery": UnsupportedError,
"clickhouse": "SELECT 1 EXCEPT SELECT 1",
"databricks": "SELECT 1 EXCEPT ALL SELECT 1",
"duckdb": "SELECT 1 EXCEPT ALL SELECT 1",
"mysql": "SELECT 1 EXCEPT ALL SELECT 1",
"oracle": "SELECT 1 EXCEPT ALL SELECT 1",
"postgres": "SELECT 1 EXCEPT ALL SELECT 1",
"presto": UnsupportedError,
"redshift": UnsupportedError,
"snowflake": UnsupportedError,
"spark": "SELECT 1 EXCEPT ALL SELECT 1",
"sqlite": UnsupportedError,
"starrocks": UnsupportedError,
"trino": UnsupportedError,
"tsql": UnsupportedError,
},
)
def test_normalize(self):
for form in ("", ", nfkc"):
with self.subTest(f"Testing NORMALIZE('str'{form}) roundtrip"):
self.validate_all(
f"SELECT NORMALIZE('str'{form})",
read={
"presto": f"SELECT NORMALIZE('str'{form})",
"trino": f"SELECT NORMALIZE('str'{form})",
"bigquery": f"SELECT NORMALIZE('str'{form})",
},
write={
"presto": f"SELECT NORMALIZE('str'{form})",
"trino": f"SELECT NORMALIZE('str'{form})",
"bigquery": f"SELECT NORMALIZE('str'{form})",
},
)
self.assertIsInstance(parse_one("NORMALIZE('str', NFD)").args.get("form"), exp.Var)
def test_coalesce(self):
"""
Validate that "expressions" is a list for all the exp.Coalesce instances; This is important
as some optimizer rules are coalesce specific and will iterate on "expressions"
"""
# Check the 2-arg aliases
for func in ("COALESCE", "IFNULL", "NVL"):
self.assertIsInstance(self.parse_one(f"{func}(1, 2)").expressions, list)
# Check the varlen case
coalesce = self.parse_one("COALESCE(x, y, z)")
self.assertIsInstance(coalesce.expressions, list)
self.assertIsNone(coalesce.args.get("is_nvl"))
# Check Oracle's NVL which is decoupled from COALESCE
oracle_nvl = parse_one("NVL(x, y)", read="oracle")
self.assertIsInstance(oracle_nvl.expressions, list)
self.assertTrue(oracle_nvl.args.get("is_nvl"))
# Check T-SQL's ISNULL which is parsed into exp.Coalesce
self.assertIsInstance(parse_one("ISNULL(x, y)", read="tsql").expressions, list)
def test_trim(self):
self.validate_all(
"TRIM('abc', 'a')",
read={
"bigquery": "TRIM('abc', 'a')",
"snowflake": "TRIM('abc', 'a')",
},
write={
"bigquery": "TRIM('abc', 'a')",
"snowflake": "TRIM('abc', 'a')",
},
)
self.validate_all(
"LTRIM('Hello World', 'H')",
read={
"oracle": "LTRIM('Hello World', 'H')",
"clickhouse": "TRIM(LEADING 'H' FROM 'Hello World')",
"snowflake": "LTRIM('Hello World', 'H')",
"bigquery": "LTRIM('Hello World', 'H')",
"": "LTRIM('Hello World', 'H')",
},
write={
"clickhouse": "TRIM(LEADING 'H' FROM 'Hello World')",
"oracle": "LTRIM('Hello World', 'H')",
"snowflake": "LTRIM('Hello World', 'H')",
"bigquery": "LTRIM('Hello World', 'H')",
},
)
self.validate_all(
"RTRIM('Hello World', 'd')",
read={
"clickhouse": "TRIM(TRAILING 'd' FROM 'Hello World')",
"oracle": "RTRIM('Hello World', 'd')",
"snowflake": "RTRIM('Hello World', 'd')",
"bigquery": "RTRIM('Hello World', 'd')",
"": "RTRIM('Hello World', 'd')",
},
write={
"clickhouse": "TRIM(TRAILING 'd' FROM 'Hello World')",
"oracle": "RTRIM('Hello World', 'd')",
"snowflake": "RTRIM('Hello World', 'd')",
"bigquery": "RTRIM('Hello World', 'd')",
},
)

7
tests/dialects/test_duckdb.py
View file

@ -696,11 +696,11 @@ class TestDuckDB(Validator):
},
)
self.validate_all(
"SELECT CAST('2020-05-06' AS DATE) - INTERVAL 5 DAY",
"SELECT CAST('2020-05-06' AS DATE) - INTERVAL '5' DAY",
read={"bigquery": "SELECT DATE_SUB(CAST('2020-05-06' AS DATE), INTERVAL 5 DAY)"},
)
self.validate_all(
"SELECT CAST('2020-05-06' AS DATE) + INTERVAL 5 DAY",
"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_identity(
@ -879,7 +879,7 @@ class TestDuckDB(Validator):
write={"duckdb": "SELECT (90 * INTERVAL '1' DAY)"},
)
self.validate_all(
"SELECT ((DATE_TRUNC('DAY', CAST(CAST(DATE_TRUNC('DAY', CURRENT_TIMESTAMP) AS DATE) AS TIMESTAMP) + INTERVAL (0 - ((DAYOFWEEK(CAST(CAST(DATE_TRUNC('DAY', CURRENT_TIMESTAMP) AS DATE) AS TIMESTAMP)) % 7) - 1 + 7) % 7) DAY) + (7 * INTERVAL (-5) DAY))) AS t1",
"SELECT ((DATE_TRUNC('DAY', CAST(CAST(DATE_TRUNC('DAY', CURRENT_TIMESTAMP) AS DATE) AS TIMESTAMP) + INTERVAL (0 - ((ISODOW(CAST(CAST(DATE_TRUNC('DAY', CURRENT_TIMESTAMP) AS DATE) AS TIMESTAMP)) % 7) - 1 + 7) % 7) DAY) + (7 * INTERVAL (-5) DAY))) AS t1",
read={
"presto": "SELECT ((DATE_ADD('week', -5, DATE_TRUNC('DAY', DATE_ADD('day', (0 - MOD((DAY_OF_WEEK(CAST(CAST(DATE_TRUNC('DAY', NOW()) AS DATE) AS TIMESTAMP)) % 7) - 1 + 7, 7)), CAST(CAST(DATE_TRUNC('DAY', NOW()) AS DATE) AS TIMESTAMP)))))) AS t1",
},
@ -1100,7 +1100,6 @@ class TestDuckDB(Validator):
self.validate_all(
"SELECT CAST('09:05:03' AS TIME) + INTERVAL 2 HOUR",
read={
"bigquery": "SELECT TIME_ADD(CAST('09:05:03' AS TIME), INTERVAL 2 HOUR)",
"snowflake": "SELECT TIMEADD(HOUR, 2, TO_TIME('09:05:03'))",
},
write={

23
tests/dialects/test_hive.py
View file

@ -412,6 +412,7 @@ class TestHive(Validator):
)
def test_hive(self):
self.validate_identity("SELECT * FROM t WHERE col IN ('stream')")
self.validate_identity("SET hiveconf:some_var = 5", check_command_warning=True)
self.validate_identity("(VALUES (1 AS a, 2 AS b, 3))")
self.validate_identity("SELECT * FROM my_table TIMESTAMP AS OF DATE_ADD(CURRENT_DATE, -1)")
@ -715,8 +716,8 @@ class TestHive(Validator):
"presto": "ARRAY_AGG(x)",
},
write={
"duckdb": "ARRAY_AGG(x)",
"presto": "ARRAY_AGG(x)",
"duckdb": "ARRAY_AGG(x) FILTER(WHERE x IS NOT NULL)",
"presto": "ARRAY_AGG(x) FILTER(WHERE x IS NOT NULL)",
"hive": "COLLECT_LIST(x)",
"spark": "COLLECT_LIST(x)",
},
@ -764,6 +765,24 @@ class TestHive(Validator):
"presto": "SELECT DATE_TRUNC('MONTH', TRY_CAST(ds AS TIMESTAMP)) AS mm FROM tbl WHERE ds BETWEEN '2023-10-01' AND '2024-02-29'",
},
)
self.validate_all(
"REGEXP_EXTRACT('abc', '(a)(b)(c)')",
read={
"hive": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"spark2": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"spark": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"databricks": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
},
write={
"hive": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"spark2": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"spark": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"databricks": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"presto": "REGEXP_EXTRACT('abc', '(a)(b)(c)', 1)",
"trino": "REGEXP_EXTRACT('abc', '(a)(b)(c)', 1)",
"duckdb": "REGEXP_EXTRACT('abc', '(a)(b)(c)', 1)",
},
)
def test_escapes(self) -> None:
self.validate_identity("'\n'", "'\\n'")

15
tests/dialects/test_mysql.py
View file

@ -241,7 +241,7 @@ class TestMySQL(Validator):
"SET @@GLOBAL.sort_buffer_size = 1000000, @@LOCAL.sort_buffer_size = 1000000"
)
self.validate_identity("INTERVAL '1' YEAR")
self.validate_identity("DATE_ADD(x, INTERVAL 1 YEAR)")
self.validate_identity("DATE_ADD(x, INTERVAL '1' YEAR)")
self.validate_identity("CHAR(0)")
self.validate_identity("CHAR(77, 121, 83, 81, '76')")
self.validate_identity("CHAR(77, 77.3, '77.3' USING utf8mb4)")
@ -539,9 +539,16 @@ class TestMySQL(Validator):
},
)
self.validate_all(
"SELECT DATE_FORMAT('2009-10-04 22:23:00', '%W %M %Y')",
"SELECT DATE_FORMAT('2024-08-22 14:53:12', '%a')",
write={
"mysql": "SELECT DATE_FORMAT('2009-10-04 22:23:00', '%W %M %Y')",
"mysql": "SELECT DATE_FORMAT('2024-08-22 14:53:12', '%a')",
"snowflake": "SELECT TO_CHAR(CAST('2024-08-22 14:53:12' AS TIMESTAMP), 'DY')",
},
)
self.validate_all(
"SELECT DATE_FORMAT('2009-10-04 22:23:00', '%a %M %Y')",
write={
"mysql": "SELECT DATE_FORMAT('2009-10-04 22:23:00', '%a %M %Y')",
"snowflake": "SELECT TO_CHAR(CAST('2009-10-04 22:23:00' AS TIMESTAMP), 'DY mmmm yyyy')",
},
)
@ -555,7 +562,7 @@ class TestMySQL(Validator):
self.validate_all(
"SELECT DATE_FORMAT('1900-10-04 22:23:00', '%d %y %a %d %m %b')",
write={
"mysql": "SELECT DATE_FORMAT('1900-10-04 22:23:00', '%d %y %W %d %m %b')",
"mysql": "SELECT DATE_FORMAT('1900-10-04 22:23:00', '%d %y %a %d %m %b')",
"snowflake": "SELECT TO_CHAR(CAST('1900-10-04 22:23:00' AS TIMESTAMP), 'DD yy DY DD mm mon')",
},
)

113
tests/dialects/test_oracle.py
View file

@ -98,6 +98,13 @@ class TestOracle(Validator):
"SELECT * FROM t START WITH col CONNECT BY NOCYCLE PRIOR col1 = col2"
)
self.validate_all(
"TRUNC(SYSDATE, 'YEAR')",
write={
"clickhouse": "DATE_TRUNC('YEAR', CURRENT_TIMESTAMP())",
"oracle": "TRUNC(SYSDATE, 'YEAR')",
},
)
self.validate_all(
"SELECT * FROM test WHERE MOD(col1, 4) = 3",
read={
@ -259,22 +266,6 @@ class TestOracle(Validator):
"clickhouse": "COALESCE(NULL, 1)",
},
)
self.validate_all(
"LTRIM('Hello World', 'H')",
write={
"": "LTRIM('Hello World', 'H')",
"oracle": "LTRIM('Hello World', 'H')",
"clickhouse": "TRIM(LEADING 'H' FROM 'Hello World')",
},
)
self.validate_all(
"RTRIM('Hello World', 'd')",
write={
"": "RTRIM('Hello World', 'd')",
"oracle": "RTRIM('Hello World', 'd')",
"clickhouse": "TRIM(TRAILING 'd' FROM 'Hello World')",
},
)
self.validate_all(
"TRIM(BOTH 'h' FROM 'Hello World')",
write={
@ -461,3 +452,93 @@ WHERE
self.validate_identity(
f"CREATE VIEW view AS SELECT * FROM tbl WITH {restriction}{constraint_name}"
)
def test_multitable_inserts(self):
self.maxDiff = None
self.validate_identity(
"INSERT ALL "
"INTO dest_tab1 (id, description) VALUES (id, description) "
"INTO dest_tab2 (id, description) VALUES (id, description) "
"INTO dest_tab3 (id, description) VALUES (id, description) "
"SELECT id, description FROM source_tab"
)
self.validate_identity(
"INSERT ALL "
"INTO pivot_dest (id, day, val) VALUES (id, 'mon', mon_val) "
"INTO pivot_dest (id, day, val) VALUES (id, 'tue', tue_val) "
"INTO pivot_dest (id, day, val) VALUES (id, 'wed', wed_val) "
"INTO pivot_dest (id, day, val) VALUES (id, 'thu', thu_val) "
"INTO pivot_dest (id, day, val) VALUES (id, 'fri', fri_val) "
"SELECT * "
"FROM pivot_source"
)
self.validate_identity(
"INSERT ALL "
"WHEN id <= 3 THEN "
"INTO dest_tab1 (id, description) VALUES (id, description) "
"WHEN id BETWEEN 4 AND 7 THEN "
"INTO dest_tab2 (id, description) VALUES (id, description) "
"WHEN id >= 8 THEN "
"INTO dest_tab3 (id, description) VALUES (id, description) "
"SELECT id, description "
"FROM source_tab"
)
self.validate_identity(
"INSERT ALL "
"WHEN id <= 3 THEN "
"INTO dest_tab1 (id, description) VALUES (id, description) "
"WHEN id BETWEEN 4 AND 7 THEN "
"INTO dest_tab2 (id, description) VALUES (id, description) "
"WHEN 1 = 1 THEN "
"INTO dest_tab3 (id, description) VALUES (id, description) "
"SELECT id, description "
"FROM source_tab"
)
self.validate_identity(
"INSERT FIRST "
"WHEN id <= 3 THEN "
"INTO dest_tab1 (id, description) VALUES (id, description) "
"WHEN id <= 5 THEN "
"INTO dest_tab2 (id, description) VALUES (id, description) "
"ELSE "
"INTO dest_tab3 (id, description) VALUES (id, description) "
"SELECT id, description "
"FROM source_tab"
)
self.validate_identity(
"INSERT FIRST "
"WHEN id <= 3 THEN "
"INTO dest_tab1 (id, description) VALUES (id, description) "
"ELSE "
"INTO dest_tab2 (id, description) VALUES (id, description) "
"INTO dest_tab3 (id, description) VALUES (id, description) "
"SELECT id, description "
"FROM source_tab"
)
self.validate_identity(
"/* COMMENT */ INSERT FIRST "
"WHEN salary > 4000 THEN INTO emp2 "
"WHEN salary > 5000 THEN INTO emp3 "
"WHEN salary > 6000 THEN INTO emp4 "
"SELECT salary FROM employees"
)
def test_json_functions(self):
for format_json in ("", " FORMAT JSON"):
for on_cond in (
"",
" TRUE ON ERROR",
" NULL ON EMPTY",
" DEFAULT 1 ON ERROR TRUE ON EMPTY",
):
for passing in ("", " PASSING 'name1' AS \"var1\", 'name2' AS \"var2\""):
with self.subTest("Testing JSON_EXISTS()"):
self.validate_identity(
f"SELECT * FROM t WHERE JSON_EXISTS(name{format_json}, '$[1].middle'{passing}{on_cond})"
)

7
tests/dialects/test_postgres.py
View file

@ -845,6 +845,9 @@ class TestPostgres(Validator):
self.validate_identity("ALTER TABLE t1 SET ACCESS METHOD method")
self.validate_identity("ALTER TABLE t1 SET TABLESPACE tablespace")
self.validate_identity("ALTER TABLE t1 SET (fillfactor = 5, autovacuum_enabled = TRUE)")
self.validate_identity(
"ALTER TABLE tested_table ADD CONSTRAINT unique_example UNIQUE (column_name) NOT VALID"
)
self.validate_identity(
"CREATE FUNCTION pymax(a INT, b INT) RETURNS INT LANGUAGE plpython3u AS $$\n if a > b:\n return a\n return b\n$$",
)
@ -1023,6 +1026,10 @@ class TestPostgres(Validator):
self.validate_identity(
"CREATE INDEX CONCURRENTLY IF NOT EXISTS ix_table_id ON tbl USING btree(id)"
)
self.validate_identity("DROP INDEX ix_table_id")
self.validate_identity("DROP INDEX IF EXISTS ix_table_id")
self.validate_identity("DROP INDEX CONCURRENTLY ix_table_id")
self.validate_identity("DROP INDEX CONCURRENTLY IF EXISTS ix_table_id")
self.validate_identity(
"""

37
tests/dialects/test_presto.py
View file

@ -329,11 +329,20 @@ class TestPresto(Validator):
},
)
self.validate_all(
"DAY_OF_WEEK(timestamp '2012-08-08 01:00:00')",
write={
"((DAY_OF_WEEK(CAST(TRY_CAST('2012-08-08 01:00:00' AS TIMESTAMP) AS DATE)) % 7) + 1)",
read={
"spark": "DAYOFWEEK(CAST('2012-08-08 01:00:00' AS TIMESTAMP))",
},
)
self.validate_all(
"DAY_OF_WEEK(CAST('2012-08-08 01:00:00' AS TIMESTAMP))",
read={
"duckdb": "ISODOW(CAST('2012-08-08 01:00:00' AS TIMESTAMP))",
},
write={
"spark": "((DAYOFWEEK(CAST('2012-08-08 01:00:00' AS TIMESTAMP)) % 7) + 1)",
"presto": "DAY_OF_WEEK(CAST('2012-08-08 01:00:00' AS TIMESTAMP))",
"duckdb": "DAYOFWEEK(CAST('2012-08-08 01:00:00' AS TIMESTAMP))",
"duckdb": "ISODOW(CAST('2012-08-08 01:00:00' AS TIMESTAMP))",
},
)
@ -522,6 +531,9 @@ class TestPresto(Validator):
},
)
self.validate_identity("""CREATE OR REPLACE VIEW v SECURITY DEFINER AS SELECT id FROM t""")
self.validate_identity("""CREATE OR REPLACE VIEW v SECURITY INVOKER AS SELECT id FROM t""")
def test_quotes(self):
self.validate_all(
"''''",
@ -1022,6 +1034,25 @@ class TestPresto(Validator):
"spark": "SELECT REGEXP_EXTRACT(TO_JSON(FROM_JSON('[[1, 2, 3]]', SCHEMA_OF_JSON('[[1, 2, 3]]'))), '^.(.*).$', 1)",
},
)
self.validate_all(
"REGEXP_EXTRACT('abc', '(a)(b)(c)')",
read={
"presto": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"trino": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"duckdb": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"snowflake": "REGEXP_SUBSTR('abc', '(a)(b)(c)')",
},
write={
"presto": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"trino": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"duckdb": "REGEXP_EXTRACT('abc', '(a)(b)(c)')",
"snowflake": "REGEXP_SUBSTR('abc', '(a)(b)(c)')",
"hive": "REGEXP_EXTRACT('abc', '(a)(b)(c)', 0)",
"spark2": "REGEXP_EXTRACT('abc', '(a)(b)(c)', 0)",
"spark": "REGEXP_EXTRACT('abc', '(a)(b)(c)', 0)",
"databricks": "REGEXP_EXTRACT('abc', '(a)(b)(c)', 0)",
},
)
def test_encode_decode(self):
self.validate_identity("FROM_UTF8(x, y)")

69
tests/dialects/test_snowflake.py
View file

@ -11,30 +11,12 @@ class TestSnowflake(Validator):
dialect = "snowflake"
def test_snowflake(self):
self.validate_identity("1 /* /* */")
self.validate_identity(
"SELECT * FROM table AT (TIMESTAMP => '2024-07-24') UNPIVOT(a FOR b IN (c)) AS pivot_table"
)
self.assertEqual(
# Ensures we don't fail when generating ParseJSON with the `safe` arg set to `True`
self.validate_identity("""SELECT TRY_PARSE_JSON('{"x: 1}')""").sql(),
"""SELECT PARSE_JSON('{"x: 1}')""",
)
self.validate_identity(
"transform(x, a int -> a + a + 1)",
"TRANSFORM(x, a -> CAST(a AS INT) + CAST(a AS INT) + 1)",
)
self.validate_all(
"ARRAY_CONSTRUCT_COMPACT(1, null, 2)",
write={
"spark": "ARRAY_COMPACT(ARRAY(1, NULL, 2))",
"snowflake": "ARRAY_CONSTRUCT_COMPACT(1, NULL, 2)",
},
)
expr = parse_one("SELECT APPROX_TOP_K(C4, 3, 5) FROM t")
expr.selects[0].assert_is(exp.AggFunc)
self.assertEqual(expr.sql(dialect="snowflake"), "SELECT APPROX_TOP_K(C4, 3, 5) FROM t")
@ -98,7 +80,6 @@ WHERE
self.validate_identity("WITH x AS (SELECT 1 AS foo) SELECT foo FROM IDENTIFIER('x')")
self.validate_identity("WITH x AS (SELECT 1 AS foo) SELECT IDENTIFIER('foo') FROM x")
self.validate_identity("INITCAP('iqamqinterestedqinqthisqtopic', 'q')")
self.validate_identity("CAST(x AS GEOMETRY)")
self.validate_identity("OBJECT_CONSTRUCT(*)")
self.validate_identity("SELECT CAST('2021-01-01' AS DATE) + INTERVAL '1 DAY'")
self.validate_identity("SELECT HLL(*)")
@ -115,6 +96,10 @@ WHERE
self.validate_identity("ALTER TABLE a SWAP WITH b")
self.validate_identity("SELECT MATCH_CONDITION")
self.validate_identity("SELECT * REPLACE (CAST(col AS TEXT) AS scol) FROM t")
self.validate_identity("1 /* /* */")
self.validate_identity(
"SELECT * FROM table AT (TIMESTAMP => '2024-07-24') UNPIVOT(a FOR b IN (c)) AS pivot_table"
)
self.validate_identity(
"SELECT * FROM quarterly_sales PIVOT(SUM(amount) FOR quarter IN ('2023_Q1', '2023_Q2', '2023_Q3', '2023_Q4', '2024_Q1') DEFAULT ON NULL (0)) ORDER BY empid"
)
@ -139,6 +124,18 @@ WHERE
self.validate_identity(
"SELECT * FROM DATA AS DATA_L ASOF JOIN DATA AS DATA_R MATCH_CONDITION (DATA_L.VAL > DATA_R.VAL) ON DATA_L.ID = DATA_R.ID"
)
self.validate_identity(
"CAST(x AS GEOGRAPHY)",
"TO_GEOGRAPHY(x)",
)
self.validate_identity(
"CAST(x AS GEOMETRY)",
"TO_GEOMETRY(x)",
)
self.validate_identity(
"transform(x, a int -> a + a + 1)",
"TRANSFORM(x, a -> CAST(a AS INT) + CAST(a AS INT) + 1)",
)
self.validate_identity(
"SELECT * FROM s WHERE c NOT IN (1, 2, 3)",
"SELECT * FROM s WHERE NOT c IN (1, 2, 3)",
@ -308,6 +305,13 @@ WHERE
"SELECT * RENAME (a AS b), c AS d FROM xxx",
)
self.validate_all(
"ARRAY_CONSTRUCT_COMPACT(1, null, 2)",
write={
"spark": "ARRAY_COMPACT(ARRAY(1, NULL, 2))",
"snowflake": "ARRAY_CONSTRUCT_COMPACT(1, NULL, 2)",
},
)
self.validate_all(
"OBJECT_CONSTRUCT_KEEP_NULL('key_1', 'one', 'key_2', NULL)",
read={
@ -1419,6 +1423,12 @@ WHERE
},
)
self.assertIsNotNone(
self.validate_identity("CREATE TABLE foo (bar INT AS (foo))").find(
exp.TransformColumnConstraint
)
)
def test_user_defined_functions(self):
self.validate_all(
"CREATE FUNCTION a(x DATE, y BIGINT) RETURNS ARRAY LANGUAGE JAVASCRIPT AS $$ SELECT 1 $$",
@ -1697,16 +1707,27 @@ FROM persons AS p, LATERAL FLATTEN(input => p.c, path => 'contact') AS _flattene
"REGEXP_SUBSTR(subject, pattern)",
read={
"bigquery": "REGEXP_EXTRACT(subject, pattern)",
"hive": "REGEXP_EXTRACT(subject, pattern)",
"presto": "REGEXP_EXTRACT(subject, pattern)",
"spark": "REGEXP_EXTRACT(subject, pattern)",
"snowflake": "REGEXP_EXTRACT(subject, pattern)",
},
write={
"bigquery": "REGEXP_EXTRACT(subject, pattern)",
"hive": "REGEXP_EXTRACT(subject, pattern)",
"presto": "REGEXP_EXTRACT(subject, pattern)",
"snowflake": "REGEXP_SUBSTR(subject, pattern)",
},
)
self.validate_all(
"REGEXP_SUBSTR(subject, pattern, 1, 1, 'c', 1)",
read={
"hive": "REGEXP_EXTRACT(subject, pattern)",
"spark2": "REGEXP_EXTRACT(subject, pattern)",
"spark": "REGEXP_EXTRACT(subject, pattern)",
"databricks": "REGEXP_EXTRACT(subject, pattern)",
},
write={
"hive": "REGEXP_EXTRACT(subject, pattern)",
"spark2": "REGEXP_EXTRACT(subject, pattern)",
"spark": "REGEXP_EXTRACT(subject, pattern)",
"databricks": "REGEXP_EXTRACT(subject, pattern)",
"snowflake": "REGEXP_SUBSTR(subject, pattern, 1, 1, 'c', 1)",
},
)
self.validate_all(

7
tests/dialects/test_spark.py
View file

@ -308,6 +308,13 @@ TBLPROPERTIES (
},
)
self.validate_all(
"SELECT ARRAY_AGG(x) FILTER (WHERE x = 5) FROM (SELECT 1 UNION ALL SELECT NULL) AS t(x)",
write={
"duckdb": "SELECT ARRAY_AGG(x) FILTER(WHERE x = 5 AND NOT x IS NULL) FROM (SELECT 1 UNION ALL SELECT NULL) AS t(x)",
"spark": "SELECT COLLECT_LIST(x) FILTER(WHERE x = 5) FROM (SELECT 1 UNION ALL SELECT NULL) AS t(x)",
},
)
self.validate_all(
"SELECT DATE_FORMAT(DATE '2020-01-01', 'EEEE') AS weekday",
write={

65
tests/dialects/test_starrocks.py
View file

@ -1,13 +1,41 @@
from sqlglot.errors import UnsupportedError
from tests.dialects.test_dialect import Validator
class TestStarrocks(Validator):
dialect = "starrocks"
def test_ddl(self):
ddl_sqls = [
"DISTRIBUTED BY HASH (col1) BUCKETS 1",
"DISTRIBUTED BY HASH (col1)",
"DISTRIBUTED BY RANDOM BUCKETS 1",
"DISTRIBUTED BY RANDOM",
"DISTRIBUTED BY HASH (col1) ORDER BY (col1)",
"DISTRIBUTED BY HASH (col1) PROPERTIES ('replication_num'='1')",
"PRIMARY KEY (col1) DISTRIBUTED BY HASH (col1)",
"DUPLICATE KEY (col1, col2) DISTRIBUTED BY HASH (col1)",
]
for properties in ddl_sqls:
with self.subTest(f"Testing create scheme: {properties}"):
self.validate_identity(f"CREATE TABLE foo (col1 BIGINT, col2 BIGINT) {properties}")
self.validate_identity(
f"CREATE TABLE foo (col1 BIGINT, col2 BIGINT) ENGINE=OLAP {properties}"
)
# Test the different wider DECIMAL types
self.validate_identity(
"CREATE TABLE foo (col0 DECIMAL(9, 1), col1 DECIMAL32(9, 1), col2 DECIMAL64(18, 10), col3 DECIMAL128(38, 10)) DISTRIBUTED BY HASH (col1) BUCKETS 1"
)
def test_identity(self):
self.validate_identity("SELECT CAST(`a`.`b` AS INT) FROM foo")
self.validate_identity("SELECT APPROX_COUNT_DISTINCT(a) FROM x")
self.validate_identity("SELECT [1, 2, 3]")
self.validate_identity(
"""SELECT CAST(PARSE_JSON(fieldvalue) -> '00000000-0000-0000-0000-00000000' AS VARCHAR) AS `code` FROM (SELECT '{"00000000-0000-0000-0000-00000000":"code01"}') AS t(fieldvalue)"""
)
def test_time(self):
self.validate_identity("TIMESTAMP('2022-01-01')")
@ -35,6 +63,43 @@ class TestStarrocks(Validator):
"SELECT student, score, t.unnest FROM tests CROSS JOIN LATERAL UNNEST(scores) AS t",
"SELECT student, score, t.unnest FROM tests CROSS JOIN LATERAL UNNEST(scores) AS t(unnest)",
)
self.validate_all(
"SELECT student, score, unnest FROM tests CROSS JOIN LATERAL UNNEST(scores)",
write={
"spark": "SELECT student, score, unnest FROM tests LATERAL VIEW EXPLODE(scores) unnest AS unnest",
"starrocks": "SELECT student, score, unnest FROM tests CROSS JOIN LATERAL UNNEST(scores) AS unnest(unnest)",
},
)
self.validate_all(
r"""SELECT * FROM UNNEST(array['John','Jane','Jim','Jamie'], array[24,25,26,27]) AS t(name, age)""",
write={
"postgres": "SELECT * FROM UNNEST(ARRAY['John', 'Jane', 'Jim', 'Jamie'], ARRAY[24, 25, 26, 27]) AS t(name, age)",
"spark": "SELECT * FROM INLINE(ARRAYS_ZIP(ARRAY('John', 'Jane', 'Jim', 'Jamie'), ARRAY(24, 25, 26, 27))) AS t(name, age)",
"starrocks": "SELECT * FROM UNNEST(['John', 'Jane', 'Jim', 'Jamie'], [24, 25, 26, 27]) AS t(name, age)",
},
)
# Use UNNEST to convert into multiple columns
# see: https://docs.starrocks.io/docs/sql-reference/sql-functions/array-functions/unnest/
self.validate_all(
r"""SELECT id, t.type, t.scores FROM example_table, unnest(split(type, ";"), scores) AS t(type,scores)""",
write={
"postgres": "SELECT id, t.type, t.scores FROM example_table, UNNEST(SPLIT(type, ';'), scores) AS t(type, scores)",
"spark": r"""SELECT id, t.type, t.scores FROM example_table LATERAL VIEW INLINE(ARRAYS_ZIP(SPLIT(type, CONCAT('\\Q', ';')), scores)) t AS type, scores""",
"databricks": r"""SELECT id, t.type, t.scores FROM example_table LATERAL VIEW INLINE(ARRAYS_ZIP(SPLIT(type, CONCAT('\\Q', ';')), scores)) t AS type, scores""",
"starrocks": r"""SELECT id, t.type, t.scores FROM example_table, UNNEST(SPLIT(type, ';'), scores) AS t(type, scores)""",
"hive": UnsupportedError,
},
)
self.validate_all(
r"""SELECT id, t.type, t.scores FROM example_table_2 CROSS JOIN LATERAL unnest(split(type, ";"), scores) AS t(type,scores)""",
write={
"spark": r"""SELECT id, t.type, t.scores FROM example_table_2 LATERAL VIEW INLINE(ARRAYS_ZIP(SPLIT(type, CONCAT('\\Q', ';')), scores)) t AS type, scores""",
"starrocks": r"""SELECT id, t.type, t.scores FROM example_table_2 CROSS JOIN LATERAL UNNEST(SPLIT(type, ';'), scores) AS t(type, scores)""",
"hive": UnsupportedError,
},
)
lateral_explode_sqls = [
"SELECT id, t.col FROM tbl, UNNEST(scores) AS t(col)",

9
tests/dialects/test_teradata.py
View file

@ -155,6 +155,15 @@ class TestTeradata(Validator):
"tsql": "CREATE TABLE a",
},
)
self.validate_identity(
"CREATE TABLE db.foo (id INT NOT NULL, valid_date DATE FORMAT 'YYYY-MM-DD', measurement INT COMPRESS)"
)
self.validate_identity(
"CREATE TABLE db.foo (id INT NOT NULL, valid_date DATE FORMAT 'YYYY-MM-DD', measurement INT COMPRESS (1, 2, 3))"
)
self.validate_identity(
"CREATE TABLE db.foo (id INT NOT NULL, valid_date DATE FORMAT 'YYYY-MM-DD' COMPRESS (CAST('9999-09-09' AS DATE)), measurement INT)"
)
def test_insert(self):
self.validate_all(

35
tests/dialects/test_tsql.py
View file

@ -420,6 +420,11 @@ class TestTSQL(Validator):
"SELECT val FROM (VALUES ((TRUE), (FALSE), (NULL))) AS t(val)",
write_sql="SELECT val FROM (VALUES ((1), (0), (NULL))) AS t(val)",
)
self.validate_identity("'a' + 'b'")
self.validate_identity(
"'a' || 'b'",
"'a' + 'b'",
)
def test_option(self):
possible_options = [
@ -1701,7 +1706,7 @@ WHERE
"duckdb": "LAST_DAY(CAST(CURRENT_TIMESTAMP AS DATE) + INTERVAL (-1) MONTH)",
"mysql": "LAST_DAY(DATE_ADD(CURRENT_TIMESTAMP(), INTERVAL -1 MONTH))",
"postgres": "CAST(DATE_TRUNC('MONTH', CAST(CURRENT_TIMESTAMP AS DATE) + INTERVAL '-1 MONTH') + INTERVAL '1 MONTH' - INTERVAL '1 DAY' AS DATE)",
"presto": "LAST_DAY_OF_MONTH(DATE_ADD('MONTH', CAST(-1 AS BIGINT), CAST(CAST(CURRENT_TIMESTAMP AS TIMESTAMP) AS DATE)))",
"presto": "LAST_DAY_OF_MONTH(DATE_ADD('MONTH', -1, CAST(CAST(CURRENT_TIMESTAMP AS TIMESTAMP) AS DATE)))",
"redshift": "LAST_DAY(DATEADD(MONTH, -1, CAST(GETDATE() AS DATE)))",
"snowflake": "LAST_DAY(DATEADD(MONTH, -1, TO_DATE(CURRENT_TIMESTAMP())))",
"spark": "LAST_DAY(ADD_MONTHS(TO_DATE(CURRENT_TIMESTAMP()), -1))",
@ -1965,3 +1970,31 @@ FROM OPENJSON(@json) WITH (
base_sql = expr.sql()
self.assertEqual(base_sql, f"SCOPE_RESOLUTION({lhs + ', ' if lhs else ''}{rhs})")
self.assertEqual(parse_one(base_sql).sql("tsql"), f"{lhs}::{rhs}")
def test_count(self):
count = annotate_types(self.validate_identity("SELECT COUNT(1) FROM x"))
self.assertEqual(count.expressions[0].type.this, exp.DataType.Type.INT)
count_big = annotate_types(self.validate_identity("SELECT COUNT_BIG(1) FROM x"))
self.assertEqual(count_big.expressions[0].type.this, exp.DataType.Type.BIGINT)
self.validate_all(
"SELECT COUNT_BIG(1) FROM x",
read={
"duckdb": "SELECT COUNT(1) FROM x",
"spark": "SELECT COUNT(1) FROM x",
},
write={
"duckdb": "SELECT COUNT(1) FROM x",
"spark": "SELECT COUNT(1) FROM x",
"tsql": "SELECT COUNT_BIG(1) FROM x",
},
)
self.validate_all(
"SELECT COUNT(1) FROM x",
write={
"duckdb": "SELECT COUNT(1) FROM x",
"spark": "SELECT COUNT(1) FROM x",
"tsql": "SELECT COUNT(1) FROM x",
},
)

3
tests/fixtures/identity.sql vendored
View file

@ -596,6 +596,7 @@ CREATE TABLE customer (pk BIGINT NOT NULL GENERATED ALWAYS AS IDENTITY (CYCLE))
CREATE TABLE customer (period INT NOT NULL)
CREATE TABLE foo (baz_id INT REFERENCES baz (id) DEFERRABLE)
CREATE TABLE foo (baz CHAR(4) CHARACTER SET LATIN UPPERCASE NOT CASESPECIFIC COMPRESS 'a')
CREATE TABLE db.foo (id INT NOT NULL, valid_date DATE FORMAT 'YYYY-MM-DD', measurement INT COMPRESS)
CREATE TABLE foo (baz DATE FORMAT 'YYYY/MM/DD' TITLE 'title' INLINE LENGTH 1 COMPRESS ('a', 'b'))
CREATE TABLE t (title TEXT)
CREATE TABLE foo (baz INT, inline TEXT)
@ -877,4 +878,4 @@ SELECT * FROM a STRAIGHT_JOIN b
SELECT COUNT(DISTINCT "foo bar") FROM (SELECT 1 AS "foo bar") AS t
SELECT vector
WITH all AS (SELECT 1 AS count) SELECT all.count FROM all
SELECT rename
SELECT rename

14
tests/fixtures/optimizer/annotate_types.sql vendored
View file

@ -1,13 +1,25 @@
5;
INT;
-5;
INT;
~5;
INT;
(5);
INT;
5.3;
DOUBLE;
'bla';
VARCHAR;
True;
true;
bool;
not true;
bool;
false;

2
tests/fixtures/optimizer/optimizer.sql vendored
View file

@ -838,7 +838,7 @@ SELECT
FROM `bigquery-public-data.GooGle_tReNDs.TOp_TeRmS` AS `TOp_TeRmS`
WHERE
`TOp_TeRmS`.`rank` = 1
AND `TOp_TeRmS`.`refresh_date` >= DATE_SUB(CURRENT_DATE, INTERVAL 2 WEEK)
AND `TOp_TeRmS`.`refresh_date` >= DATE_SUB(CURRENT_DATE, INTERVAL '2' WEEK)
GROUP BY
`day`,
`top_term`,

13
tests/fixtures/pretty.sql vendored
View file

@ -405,3 +405,16 @@ JOIN b
'eeeeeeeeeeeeeeeeeeeee'
);
/* COMMENT */
INSERT FIRST WHEN salary > 4000 THEN INTO emp2
WHEN salary > 5000 THEN INTO emp3
WHEN salary > 6000 THEN INTO emp4
SELECT salary FROM employees;
/* COMMENT */
INSERT FIRST
WHEN salary > 4000 THEN INTO emp2
WHEN salary > 5000 THEN INTO emp3
WHEN salary > 6000 THEN INTO emp4
SELECT
salary
FROM employees;

36
tests/test_build.py
View file

@ -358,12 +358,36 @@ class TestBuild(unittest.TestCase):
lambda: select("x").from_("tbl").with_("tbl", as_="SELECT x FROM tbl2"),
"WITH tbl AS (SELECT x FROM tbl2) SELECT x FROM tbl",
),
(
lambda: select("x")
.from_("tbl")
.with_("tbl", as_="SELECT x FROM tbl2", materialized=True),
"WITH tbl AS MATERIALIZED (SELECT x FROM tbl2) SELECT x FROM tbl",
),
(
lambda: select("x")
.from_("tbl")
.with_("tbl", as_="SELECT x FROM tbl2", materialized=False),
"WITH tbl AS NOT MATERIALIZED (SELECT x FROM tbl2) SELECT x FROM tbl",
),
(
lambda: select("x")
.from_("tbl")
.with_("tbl", as_="SELECT x FROM tbl2", recursive=True),
"WITH RECURSIVE tbl AS (SELECT x FROM tbl2) SELECT x FROM tbl",
),
(
lambda: select("x")
.from_("tbl")
.with_("tbl", as_=select("x").from_("tbl2"), recursive=True, materialized=True),
"WITH RECURSIVE tbl AS MATERIALIZED (SELECT x FROM tbl2) SELECT x FROM tbl",
),
(
lambda: select("x")
.from_("tbl")
.with_("tbl", as_=select("x").from_("tbl2"), recursive=True, materialized=False),
"WITH RECURSIVE tbl AS NOT MATERIALIZED (SELECT x FROM tbl2) SELECT x FROM tbl",
),
(
lambda: select("x").from_("tbl").with_("tbl", as_=select("x").from_("tbl2")),
"WITH tbl AS (SELECT x FROM tbl2) SELECT x FROM tbl",
@ -676,6 +700,18 @@ class TestBuild(unittest.TestCase):
lambda: exp.insert("SELECT * FROM cte", "t").with_("cte", as_="SELECT x FROM tbl"),
"WITH cte AS (SELECT x FROM tbl) INSERT INTO t SELECT * FROM cte",
),
(
lambda: exp.insert("SELECT * FROM cte", "t").with_(
"cte", as_="SELECT x FROM tbl", materialized=True
),
"WITH cte AS MATERIALIZED (SELECT x FROM tbl) INSERT INTO t SELECT * FROM cte",
),
(
lambda: exp.insert("SELECT * FROM cte", "t").with_(
"cte", as_="SELECT x FROM tbl", materialized=False
),
"WITH cte AS NOT MATERIALIZED (SELECT x FROM tbl) INSERT INTO t SELECT * FROM cte",
),
(
lambda: exp.convert((exp.column("x"), exp.column("y"))).isin((1, 2), (3, 4)),
"(x, y) IN ((1, 2), (3, 4))",

23
tests/test_optimizer.py
View file

@ -1345,3 +1345,26 @@ FROM READ_CSV('tests/fixtures/optimizer/tpc-h/nation.csv.gz', 'delimiter', '|')
self.assertEqual(4, normalization_distance(gen_expr(2), max_=100))
self.assertEqual(18, normalization_distance(gen_expr(3), max_=100))
self.assertEqual(110, normalization_distance(gen_expr(10), max_=100))
def test_custom_annotators(self):
# In Spark hierarchy, SUBSTRING result type is dependent on input expr type
for dialect in ("spark2", "spark", "databricks"):
for expr_type_pair in (
("col", "STRING"),
("col", "BINARY"),
("'str_literal'", "STRING"),
("CAST('str_literal' AS BINARY)", "BINARY"),
):
with self.subTest(
f"Testing {dialect}'s SUBSTRING() result type for {expr_type_pair}"
):
expr, type = expr_type_pair
ast = parse_one(f"SELECT substring({expr}, 2, 3) AS x FROM tbl", read=dialect)
subst_type = (
optimizer.optimize(ast, schema={"tbl": {"col": type}}, dialect=dialect)
.expressions[0]
.type
)
self.assertEqual(subst_type.sql(dialect), exp.DataType.build(type).sql(dialect))

11
tests/test_parser.py
View file

@ -854,3 +854,14 @@ class TestParser(unittest.TestCase):
).find(exp.Collate)
self.assertIsInstance(collate_node, exp.Collate)
self.assertIsInstance(collate_node.expression, collate_pair[1])
def test_odbc_date_literals(self):
for value, cls in [
("{d'2024-01-01'}", exp.Date),
("{t'12:00:00'}", exp.Time),
("{ts'2024-01-01 12:00:00'}", exp.Timestamp),
]:
sql = f"INSERT INTO tab(ds) VALUES ({value})"
expr = parse_one(sql)
self.assertIsInstance(expr, exp.Insert)
self.assertIsInstance(expr.expression.expressions[0].expressions[0], cls)