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from tests.dialects.test_dialect import Validator
class TestTSQL(Validator):
dialect = "tsql"
def test_tsql(self):
self.validate_identity('SELECT "x"."y" FROM foo')
self.validate_identity(
"SELECT DISTINCT DepartmentName, PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY BaseRate) OVER (PARTITION BY DepartmentName) AS MedianCont FROM dbo.DimEmployee"
)
self.validate_all(
"SELECT CAST([a].[b] AS SMALLINT) FROM foo",
write={
"tsql": 'SELECT CAST("a"."b" AS SMALLINT) FROM foo',
"spark": "SELECT CAST(`a`.`b` AS SHORT) FROM foo",
},
)
self.validate_all(
"CONVERT(INT, CONVERT(NUMERIC, '444.75'))",
write={
"mysql": "CAST(CAST('444.75' AS DECIMAL) AS INT)",
"tsql": "CAST(CAST('444.75' AS NUMERIC) AS INTEGER)",
},
)
def test_types(self):
self.validate_identity("CAST(x AS XML)")
self.validate_identity("CAST(x AS UNIQUEIDENTIFIER)")
self.validate_identity("CAST(x AS MONEY)")
self.validate_identity("CAST(x AS SMALLMONEY)")
self.validate_identity("CAST(x AS ROWVERSION)")
self.validate_identity("CAST(x AS IMAGE)")
self.validate_identity("CAST(x AS SQL_VARIANT)")
self.validate_identity("CAST(x AS BIT)")
self.validate_all(
"CAST(x AS DATETIME2)",
read={
"": "CAST(x AS DATETIME)",
},
write={
"mysql": "CAST(x AS DATETIME)",
"tsql": "CAST(x AS DATETIME2)",
},
)
def test_charindex(self):
self.validate_all(
"CHARINDEX(x, y, 9)",
write={
"spark": "LOCATE(x, y, 9)",
},
)
self.validate_all(
"CHARINDEX(x, y)",
write={
"spark": "LOCATE(x, y)",
},
)
self.validate_all(
"CHARINDEX('sub', 'testsubstring', 3)",
write={
"spark": "LOCATE('sub', 'testsubstring', 3)",
},
)
self.validate_all(
"CHARINDEX('sub', 'testsubstring')",
write={
"spark": "LOCATE('sub', 'testsubstring')",
},
)
def test_len(self):
self.validate_all("LEN(x)", write={"spark": "LENGTH(x)"})
def test_replicate(self):
self.validate_all("REPLICATE('x', 2)", write={"spark": "REPEAT('x', 2)"})
def test_isnull(self):
self.validate_all("ISNULL(x, y)", write={"spark": "COALESCE(x, y)"})
def test_jsonvalue(self):
self.validate_all(
"JSON_VALUE(r.JSON, '$.Attr_INT')",
write={"spark": "GET_JSON_OBJECT(r.JSON, '$.Attr_INT')"},
)
def test_datefromparts(self):
self.validate_all(
"SELECT DATEFROMPARTS('2020', 10, 01)",
write={"spark": "SELECT MAKE_DATE('2020', 10, 01)"},
)
def test_datename(self):
self.validate_all(
"SELECT DATENAME(mm,'01-01-1970')",
write={"spark": "SELECT DATE_FORMAT('01-01-1970', 'MMMM')"},
)
self.validate_all(
"SELECT DATENAME(dw,'01-01-1970')",
write={"spark": "SELECT DATE_FORMAT('01-01-1970', 'EEEE')"},
)
def test_datepart(self):
self.validate_all(
"SELECT DATEPART(month,'01-01-1970')",
write={"spark": "SELECT DATE_FORMAT('01-01-1970', 'MM')"},
)
def test_convert_date_format(self):
self.validate_all(
"CONVERT(NVARCHAR(200), x)",
write={
"spark": "CAST(x AS VARCHAR(200))",
},
)
self.validate_all(
"CONVERT(NVARCHAR, x)",
write={
"spark": "CAST(x AS VARCHAR(30))",
},
)
self.validate_all(
"CONVERT(NVARCHAR(MAX), x)",
write={
"spark": "CAST(x AS STRING)",
},
)
self.validate_all(
"CONVERT(VARCHAR(200), x)",
write={
"spark": "CAST(x AS VARCHAR(200))",
},
)
self.validate_all(
"CONVERT(VARCHAR, x)",
write={
"spark": "CAST(x AS VARCHAR(30))",
},
)
self.validate_all(
"CONVERT(VARCHAR(MAX), x)",
write={
"spark": "CAST(x AS STRING)",
},
)
self.validate_all(
"CONVERT(CHAR(40), x)",
write={
"spark": "CAST(x AS CHAR(40))",
},
)
self.validate_all(
"CONVERT(CHAR, x)",
write={
"spark": "CAST(x AS CHAR(30))",
},
)
self.validate_all(
"CONVERT(NCHAR(40), x)",
write={
"spark": "CAST(x AS CHAR(40))",
},
)
self.validate_all(
"CONVERT(NCHAR, x)",
write={
"spark": "CAST(x AS CHAR(30))",
},
)
self.validate_all(
"CONVERT(VARCHAR, x, 121)",
write={
"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(30))",
},
)
self.validate_all(
"CONVERT(VARCHAR(40), x, 121)",
write={
"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(40))",
},
)
self.validate_all(
"CONVERT(VARCHAR(MAX), x, 121)",
write={
"spark": "DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
},
)
self.validate_all(
"CONVERT(NVARCHAR, x, 121)",
write={
"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(30))",
},
)
self.validate_all(
"CONVERT(NVARCHAR(40), x, 121)",
write={
"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(40))",
},
)
self.validate_all(
"CONVERT(NVARCHAR(MAX), x, 121)",
write={
"spark": "DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
},
)
self.validate_all(
"CONVERT(DATE, x, 121)",
write={
"spark": "TO_DATE(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
},
)
self.validate_all(
"CONVERT(DATETIME, x, 121)",
write={
"spark": "TO_TIMESTAMP(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
},
)
self.validate_all(
"CONVERT(DATETIME2, x, 121)",
write={
"spark": "TO_TIMESTAMP(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
},
)
self.validate_all(
"CONVERT(INT, x)",
write={
"spark": "CAST(x AS INT)",
},
)
self.validate_all(
"CONVERT(INT, x, 121)",
write={
"spark": "CAST(x AS INT)",
},
)
self.validate_all(
"TRY_CONVERT(NVARCHAR, x, 121)",
write={
"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(30))",
},
)
self.validate_all(
"TRY_CONVERT(INT, x)",
write={
"spark": "CAST(x AS INT)",
},
)
self.validate_all(
"TRY_CAST(x AS INT)",
write={
"spark": "CAST(x AS INT)",
},
)
self.validate_all(
"CAST(x AS INT)",
write={
"spark": "CAST(x AS INT)",
},
)
self.validate_all(
"SELECT CONVERT(VARCHAR(10), testdb.dbo.test.x, 120) y FROM testdb.dbo.test",
write={
"mysql": "SELECT CAST(TIME_TO_STR(testdb.dbo.test.x, '%Y-%m-%d %H:%M:%S') AS VARCHAR(10)) AS y FROM testdb.dbo.test",
"spark": "SELECT CAST(DATE_FORMAT(testdb.dbo.test.x, 'yyyy-MM-dd HH:mm:ss') AS VARCHAR(10)) AS y FROM testdb.dbo.test",
},
)
self.validate_all(
"SELECT CONVERT(VARCHAR(10), y.x) z FROM testdb.dbo.test y",
write={
"mysql": "SELECT CAST(y.x AS VARCHAR(10)) AS z FROM testdb.dbo.test AS y",
"spark": "SELECT CAST(y.x AS VARCHAR(10)) AS z FROM testdb.dbo.test AS y",
},
)
def test_add_date(self):
self.validate_identity("SELECT DATEADD(year, 1, '2017/08/25')")
self.validate_all(
"SELECT DATEADD(year, 1, '2017/08/25')", write={"spark": "SELECT ADD_MONTHS('2017/08/25', 12)"}
)
self.validate_all("SELECT DATEADD(qq, 1, '2017/08/25')", write={"spark": "SELECT ADD_MONTHS('2017/08/25', 3)"})
self.validate_all(
"SELECT DATEADD(wk, 1, '2017/08/25')",
write={"spark": "SELECT DATE_ADD('2017/08/25', 7)", "databricks": "SELECT DATEADD(week, 1, '2017/08/25')"},
)
def test_date_diff(self):
self.validate_identity("SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')")
self.validate_all(
"SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')",
write={
"tsql": "SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')",
"spark": "SELECT MONTHS_BETWEEN('2021/01/01', '2020/01/01') / 12",
},
)
self.validate_all(
"SELECT DATEDIFF(mm, 'start','end')",
write={
"spark": "SELECT MONTHS_BETWEEN('end', 'start')",
"tsql": "SELECT DATEDIFF(month, 'start', 'end')",
"databricks": "SELECT DATEDIFF(month, 'start', 'end')",
},
)
self.validate_all(
"SELECT DATEDIFF(quarter, 'start', 'end')",
write={
"spark": "SELECT MONTHS_BETWEEN('end', 'start') / 3",
"databricks": "SELECT DATEDIFF(quarter, 'start', 'end')",
},
)
def test_iif(self):
self.validate_identity("SELECT IIF(cond, 'True', 'False')")
self.validate_all(
"SELECT IIF(cond, 'True', 'False');",
write={
"spark": "SELECT IF(cond, 'True', 'False')",
},
)
def test_lateral_subquery(self):
self.validate_all(
"SELECT x.a, x.b, t.v, t.y FROM x CROSS APPLY (SELECT v, y FROM t) t(v, y)",
write={
"spark": "SELECT x.a, x.b, t.v, t.y FROM x JOIN LATERAL (SELECT v, y FROM t) AS t(v, y)",
},
)
self.validate_all(
"SELECT x.a, x.b, t.v, t.y FROM x OUTER APPLY (SELECT v, y FROM t) t(v, y)",
write={
"spark": "SELECT x.a, x.b, t.v, t.y FROM x LEFT JOIN LATERAL (SELECT v, y FROM t) AS t(v, y)",
},
)
def test_lateral_table_valued_function(self):
self.validate_all(
"SELECT t.x, y.z FROM x CROSS APPLY tvfTest(t.x)y(z)",
write={
"spark": "SELECT t.x, y.z FROM x JOIN LATERAL TVFTEST(t.x) y AS z",
},
)
self.validate_all(
"SELECT t.x, y.z FROM x OUTER APPLY tvfTest(t.x)y(z)",
write={
"spark": "SELECT t.x, y.z FROM x LEFT JOIN LATERAL TVFTEST(t.x) y AS z",
},
)
def test_top(self):
self.validate_all(
"SELECT TOP 3 * FROM A",
write={
"spark": "SELECT * FROM A LIMIT 3",
},
)
self.validate_all(
"SELECT TOP (3) * FROM A",
write={
"spark": "SELECT * FROM A LIMIT 3",
},
)
def test_format(self):
self.validate_identity("SELECT FORMAT('01-01-1991', 'd.mm.yyyy')")
self.validate_identity("SELECT FORMAT(12345, '###.###.###')")
self.validate_identity("SELECT FORMAT(1234567, 'f')")
self.validate_all(
"SELECT FORMAT(1000000.01,'###,###.###')",
write={"spark": "SELECT FORMAT_NUMBER(1000000.01, '###,###.###')"},
)
self.validate_all("SELECT FORMAT(1234567, 'f')", write={"spark": "SELECT FORMAT_NUMBER(1234567, 'f')"})
self.validate_all(
"SELECT FORMAT('01-01-1991', 'dd.mm.yyyy')",
write={"spark": "SELECT DATE_FORMAT('01-01-1991', 'dd.mm.yyyy')"},
)
self.validate_all(
"SELECT FORMAT(date_col, 'dd.mm.yyyy')", write={"spark": "SELECT DATE_FORMAT(date_col, 'dd.mm.yyyy')"}
)
self.validate_all("SELECT FORMAT(date_col, 'm')", write={"spark": "SELECT DATE_FORMAT(date_col, 'MMMM d')"})
self.validate_all("SELECT FORMAT(num_col, 'c')", write={"spark": "SELECT FORMAT_NUMBER(num_col, 'c')"})
|
