774 lines
27 KiB
Python
774 lines
27 KiB
Python
from sqlglot import exp, parse, parse_one
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from tests.dialects.test_dialect import Validator
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class TestTSQL(Validator):
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dialect = "tsql"
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def test_tsql(self):
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self.validate_identity("SELECT * FROM t WITH (TABLOCK, INDEX(myindex))")
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self.validate_identity("SELECT * FROM t WITH (NOWAIT)")
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self.validate_identity("SELECT CASE WHEN a > 1 THEN b END")
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self.validate_identity("SELECT * FROM taxi ORDER BY 1 OFFSET 0 ROWS FETCH NEXT 3 ROWS ONLY")
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self.validate_identity("END")
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self.validate_identity("@x")
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self.validate_identity("#x")
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self.validate_identity("DECLARE @TestVariable AS VARCHAR(100)='Save Our Planet'")
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self.validate_identity("PRINT @TestVariable")
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self.validate_identity("SELECT Employee_ID, Department_ID FROM @MyTableVar")
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self.validate_identity("INSERT INTO @TestTable VALUES (1, 'Value1', 12, 20)")
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self.validate_identity(
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"SELECT x FROM @MyTableVar AS m JOIN Employee ON m.EmployeeID = Employee.EmployeeID"
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)
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self.validate_identity('SELECT "x"."y" FROM foo')
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self.validate_identity("SELECT * FROM #foo")
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self.validate_identity("SELECT * FROM ##foo")
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self.validate_identity(
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"SELECT DISTINCT DepartmentName, PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY BaseRate) OVER (PARTITION BY DepartmentName) AS MedianCont FROM dbo.DimEmployee"
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)
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self.validate_all(
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"SELECT CAST([a].[b] AS SMALLINT) FROM foo",
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write={
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"tsql": 'SELECT CAST("a"."b" AS SMALLINT) FROM foo',
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"spark": "SELECT CAST(`a`.`b` AS SHORT) FROM foo",
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},
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)
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self.validate_all(
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"CONVERT(INT, CONVERT(NUMERIC, '444.75'))",
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write={
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"mysql": "CAST(CAST('444.75' AS DECIMAL) AS INT)",
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"tsql": "CAST(CAST('444.75' AS NUMERIC) AS INTEGER)",
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},
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)
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self.validate_all(
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"STRING_AGG(x, y) WITHIN GROUP (ORDER BY z DESC)",
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write={
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"tsql": "STRING_AGG(x, y) WITHIN GROUP (ORDER BY z DESC)",
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"mysql": "GROUP_CONCAT(x ORDER BY z DESC SEPARATOR y)",
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"sqlite": "GROUP_CONCAT(x, y)",
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"postgres": "STRING_AGG(x, y ORDER BY z DESC NULLS LAST)",
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},
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)
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self.validate_all(
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"STRING_AGG(x, '|') WITHIN GROUP (ORDER BY z ASC)",
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write={
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"tsql": "STRING_AGG(x, '|') WITHIN GROUP (ORDER BY z)",
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"mysql": "GROUP_CONCAT(x ORDER BY z SEPARATOR '|')",
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"sqlite": "GROUP_CONCAT(x, '|')",
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"postgres": "STRING_AGG(x, '|' ORDER BY z NULLS FIRST)",
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},
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)
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self.validate_all(
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"STRING_AGG(x, '|')",
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write={
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"tsql": "STRING_AGG(x, '|')",
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"mysql": "GROUP_CONCAT(x SEPARATOR '|')",
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"sqlite": "GROUP_CONCAT(x, '|')",
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"postgres": "STRING_AGG(x, '|')",
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},
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)
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self.validate_all(
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"SELECT CAST([a].[b] AS SMALLINT) FROM foo",
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write={
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"tsql": 'SELECT CAST("a"."b" AS SMALLINT) FROM foo',
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"spark": "SELECT CAST(`a`.`b` AS SHORT) FROM foo",
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},
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)
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self.validate_all(
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"HASHBYTES('SHA1', x)",
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read={
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"spark": "SHA(x)",
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},
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write={
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"tsql": "HASHBYTES('SHA1', x)",
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"spark": "SHA(x)",
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},
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)
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self.validate_all(
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"HASHBYTES('SHA2_256', x)",
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read={
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"spark": "SHA2(x, 256)",
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},
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write={
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"tsql": "HASHBYTES('SHA2_256', x)",
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"spark": "SHA2(x, 256)",
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},
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)
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self.validate_all(
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"HASHBYTES('SHA2_512', x)",
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read={
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"spark": "SHA2(x, 512)",
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},
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write={
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"tsql": "HASHBYTES('SHA2_512', x)",
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"spark": "SHA2(x, 512)",
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},
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)
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self.validate_all(
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"HASHBYTES('MD5', 'x')",
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read={
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"spark": "MD5('x')",
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},
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write={
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"tsql": "HASHBYTES('MD5', 'x')",
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"spark": "MD5('x')",
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},
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)
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self.validate_identity("HASHBYTES('MD2', 'x')")
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def test_types(self):
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self.validate_identity("CAST(x AS XML)")
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self.validate_identity("CAST(x AS UNIQUEIDENTIFIER)")
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self.validate_identity("CAST(x AS MONEY)")
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self.validate_identity("CAST(x AS SMALLMONEY)")
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self.validate_identity("CAST(x AS ROWVERSION)")
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self.validate_identity("CAST(x AS IMAGE)")
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self.validate_identity("CAST(x AS SQL_VARIANT)")
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self.validate_identity("CAST(x AS BIT)")
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self.validate_all(
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"CAST(x AS DATETIME2)",
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read={
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"": "CAST(x AS DATETIME)",
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},
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write={
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"mysql": "CAST(x AS DATETIME)",
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"tsql": "CAST(x AS DATETIME2)",
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},
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)
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self.validate_all(
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"CAST(x AS DATETIME2(6))",
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write={
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"hive": "CAST(x AS TIMESTAMP)",
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},
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)
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def test_udf(self):
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self.validate_identity(
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"CREATE PROCEDURE foo @a INTEGER, @b INTEGER AS SELECT @a = SUM(bla) FROM baz AS bar"
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)
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self.validate_identity(
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"CREATE PROC foo @ID INTEGER, @AGE INTEGER AS SELECT DB_NAME(@ID) AS ThatDB"
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)
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self.validate_identity("CREATE PROC foo AS SELECT BAR() AS baz")
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self.validate_identity("CREATE PROCEDURE foo AS SELECT BAR() AS baz")
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self.validate_identity("CREATE FUNCTION foo(@bar INTEGER) RETURNS TABLE AS RETURN SELECT 1")
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self.validate_identity("CREATE FUNCTION dbo.ISOweek(@DATE DATETIME2) RETURNS INTEGER")
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# The following two cases don't necessarily correspond to valid TSQL, but they are used to verify
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# that the syntax RETURNS @return_variable TABLE <table_type_definition> ... is parsed correctly.
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#
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# See also "Transact-SQL Multi-Statement Table-Valued Function Syntax"
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# https://learn.microsoft.com/en-us/sql/t-sql/statements/create-function-transact-sql?view=sql-server-ver16
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self.validate_identity(
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"CREATE FUNCTION foo(@bar INTEGER) RETURNS @foo TABLE (x INTEGER, y NUMERIC) AS RETURN SELECT 1"
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)
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self.validate_identity(
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"CREATE FUNCTION foo() RETURNS @contacts TABLE (first_name VARCHAR(50), phone VARCHAR(25)) AS SELECT @fname, @phone"
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)
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self.validate_all(
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"""
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CREATE FUNCTION udfProductInYear (
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@model_year INT
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)
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RETURNS TABLE
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AS
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RETURN
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SELECT
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product_name,
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model_year,
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list_price
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FROM
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production.products
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WHERE
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model_year = @model_year
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""",
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write={
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"tsql": """CREATE FUNCTION udfProductInYear(
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@model_year INTEGER
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)
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RETURNS TABLE AS
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RETURN SELECT
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product_name,
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model_year,
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list_price
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FROM production.products
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WHERE
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model_year = @model_year""",
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},
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pretty=True,
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)
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sql = """
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CREATE procedure [TRANSF].[SP_Merge_Sales_Real]
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@Loadid INTEGER
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,@NumberOfRows INTEGER
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AS
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BEGIN
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SET XACT_ABORT ON;
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DECLARE @DWH_DateCreated DATETIME = CONVERT(DATETIME, getdate(), 104);
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DECLARE @DWH_DateModified DATETIME = CONVERT(DATETIME, getdate(), 104);
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DECLARE @DWH_IdUserCreated INTEGER = SUSER_ID (SYSTEM_USER);
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DECLARE @DWH_IdUserModified INTEGER = SUSER_ID (SYSTEM_USER);
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DECLARE @SalesAmountBefore float;
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SELECT @SalesAmountBefore=SUM(SalesAmount) FROM TRANSF.[Pre_Merge_Sales_Real] S;
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END
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"""
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expected_sqls = [
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'CREATE PROCEDURE "TRANSF"."SP_Merge_Sales_Real" @Loadid INTEGER, @NumberOfRows INTEGER AS BEGIN SET XACT_ABORT ON',
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"DECLARE @DWH_DateCreated DATETIME = CONVERT(DATETIME, getdate(), 104)",
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"DECLARE @DWH_DateModified DATETIME = CONVERT(DATETIME, getdate(), 104)",
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"DECLARE @DWH_IdUserCreated INTEGER = SUSER_ID (SYSTEM_USER)",
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"DECLARE @DWH_IdUserModified INTEGER = SUSER_ID (SYSTEM_USER)",
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"DECLARE @SalesAmountBefore float",
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'SELECT @SalesAmountBefore = SUM(SalesAmount) FROM TRANSF."Pre_Merge_Sales_Real" AS S',
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"END",
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]
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for expr, expected_sql in zip(parse(sql, read="tsql"), expected_sqls):
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self.assertEqual(expr.sql(dialect="tsql"), expected_sql)
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def test_charindex(self):
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self.validate_all(
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"CHARINDEX(x, y, 9)",
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write={
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"spark": "LOCATE(x, y, 9)",
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},
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)
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self.validate_all(
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"CHARINDEX(x, y)",
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write={
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"spark": "LOCATE(x, y)",
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},
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)
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self.validate_all(
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"CHARINDEX('sub', 'testsubstring', 3)",
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write={
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"spark": "LOCATE('sub', 'testsubstring', 3)",
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},
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)
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self.validate_all(
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"CHARINDEX('sub', 'testsubstring')",
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write={
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"spark": "LOCATE('sub', 'testsubstring')",
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},
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)
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def test_len(self):
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self.validate_all("LEN(x)", write={"spark": "LENGTH(x)"})
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def test_replicate(self):
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self.validate_all("REPLICATE('x', 2)", write={"spark": "REPEAT('x', 2)"})
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def test_isnull(self):
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self.validate_all("ISNULL(x, y)", write={"spark": "COALESCE(x, y)"})
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def test_jsonvalue(self):
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self.validate_all(
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"JSON_VALUE(r.JSON, '$.Attr_INT')",
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write={"spark": "GET_JSON_OBJECT(r.JSON, '$.Attr_INT')"},
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)
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def test_datefromparts(self):
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self.validate_all(
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"SELECT DATEFROMPARTS('2020', 10, 01)",
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write={"spark": "SELECT MAKE_DATE('2020', 10, 01)"},
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)
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def test_datename(self):
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self.validate_all(
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"SELECT DATENAME(mm,'01-01-1970')",
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write={"spark": "SELECT DATE_FORMAT('01-01-1970', 'MMMM')"},
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)
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self.validate_all(
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"SELECT DATENAME(dw,'01-01-1970')",
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write={"spark": "SELECT DATE_FORMAT('01-01-1970', 'EEEE')"},
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)
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def test_datepart(self):
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self.validate_all(
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"SELECT DATEPART(month,'01-01-1970')",
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write={"spark": "SELECT DATE_FORMAT('01-01-1970', 'MM')"},
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)
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def test_convert_date_format(self):
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self.validate_all(
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"CONVERT(NVARCHAR(200), x)",
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write={
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"spark": "CAST(x AS VARCHAR(200))",
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},
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)
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self.validate_all(
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"CONVERT(NVARCHAR, x)",
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write={
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"spark": "CAST(x AS VARCHAR(30))",
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},
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)
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self.validate_all(
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"CONVERT(NVARCHAR(MAX), x)",
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write={
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"spark": "CAST(x AS STRING)",
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},
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)
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self.validate_all(
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"CONVERT(VARCHAR(200), x)",
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write={
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"spark": "CAST(x AS VARCHAR(200))",
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},
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)
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self.validate_all(
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"CONVERT(VARCHAR, x)",
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write={
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"spark": "CAST(x AS VARCHAR(30))",
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},
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)
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self.validate_all(
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"CONVERT(VARCHAR(MAX), x)",
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write={
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"spark": "CAST(x AS STRING)",
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},
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)
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self.validate_all(
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"CONVERT(CHAR(40), x)",
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write={
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"spark": "CAST(x AS CHAR(40))",
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},
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)
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self.validate_all(
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"CONVERT(CHAR, x)",
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write={
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"spark": "CAST(x AS CHAR(30))",
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},
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)
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self.validate_all(
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"CONVERT(NCHAR(40), x)",
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write={
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"spark": "CAST(x AS CHAR(40))",
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},
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)
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self.validate_all(
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"CONVERT(NCHAR, x)",
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write={
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"spark": "CAST(x AS CHAR(30))",
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},
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)
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self.validate_all(
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"CONVERT(VARCHAR, x, 121)",
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write={
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"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(30))",
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},
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)
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self.validate_all(
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"CONVERT(VARCHAR(40), x, 121)",
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write={
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"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(40))",
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},
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)
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self.validate_all(
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"CONVERT(VARCHAR(MAX), x, 121)",
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write={
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"spark": "DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
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},
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)
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self.validate_all(
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"CONVERT(NVARCHAR, x, 121)",
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write={
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"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(30))",
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},
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)
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self.validate_all(
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"CONVERT(NVARCHAR(40), x, 121)",
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write={
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"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(40))",
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},
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)
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self.validate_all(
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"CONVERT(NVARCHAR(MAX), x, 121)",
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write={
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"spark": "DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
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},
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)
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self.validate_all(
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"CONVERT(DATE, x, 121)",
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write={
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"spark": "TO_DATE(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
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},
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)
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self.validate_all(
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"CONVERT(DATETIME, x, 121)",
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write={
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"spark": "TO_TIMESTAMP(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
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},
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)
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self.validate_all(
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"CONVERT(DATETIME2, x, 121)",
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write={
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"spark": "TO_TIMESTAMP(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS')",
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},
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)
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self.validate_all(
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"CONVERT(INT, x)",
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write={
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"spark": "CAST(x AS INT)",
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},
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)
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self.validate_all(
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"CONVERT(INT, x, 121)",
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write={
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"spark": "CAST(x AS INT)",
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},
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)
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self.validate_all(
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"TRY_CONVERT(NVARCHAR, x, 121)",
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write={
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"spark": "CAST(DATE_FORMAT(x, 'yyyy-MM-dd HH:mm:ss.SSSSSS') AS VARCHAR(30))",
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},
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)
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self.validate_all(
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"TRY_CONVERT(INT, x)",
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write={
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"spark": "CAST(x AS INT)",
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},
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)
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self.validate_all(
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"TRY_CAST(x AS INT)",
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write={
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"spark": "CAST(x AS INT)",
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},
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)
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self.validate_all(
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"CAST(x AS INT)",
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write={
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"spark": "CAST(x AS INT)",
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},
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)
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self.validate_all(
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"SELECT CONVERT(VARCHAR(10), testdb.dbo.test.x, 120) y FROM testdb.dbo.test",
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write={
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"mysql": "SELECT CAST(DATE_FORMAT(testdb.dbo.test.x, '%Y-%m-%d %T') AS VARCHAR(10)) AS y FROM testdb.dbo.test",
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"spark": "SELECT CAST(DATE_FORMAT(testdb.dbo.test.x, 'yyyy-MM-dd HH:mm:ss') AS VARCHAR(10)) AS y FROM testdb.dbo.test",
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},
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)
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self.validate_all(
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"SELECT CONVERT(VARCHAR(10), y.x) z FROM testdb.dbo.test y",
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write={
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"mysql": "SELECT CAST(y.x AS VARCHAR(10)) AS z FROM testdb.dbo.test AS y",
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"spark": "SELECT CAST(y.x AS VARCHAR(10)) AS z FROM testdb.dbo.test AS y",
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},
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)
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self.validate_all(
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"SELECT CAST((SELECT x FROM y) AS VARCHAR) AS test",
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write={
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"spark": "SELECT CAST((SELECT x FROM y) AS STRING) AS test",
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},
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)
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def test_add_date(self):
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self.validate_identity("SELECT DATEADD(year, 1, '2017/08/25')")
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self.validate_all(
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"DATEADD(year, 50, '2006-07-31')",
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write={"bigquery": "DATE_ADD('2006-07-31', INTERVAL 50 YEAR)"},
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)
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self.validate_all(
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"SELECT DATEADD(year, 1, '2017/08/25')",
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write={"spark": "SELECT ADD_MONTHS('2017/08/25', 12)"},
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)
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self.validate_all(
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"SELECT DATEADD(qq, 1, '2017/08/25')",
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write={"spark": "SELECT ADD_MONTHS('2017/08/25', 3)"},
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)
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self.validate_all(
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"SELECT DATEADD(wk, 1, '2017/08/25')",
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write={
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"spark": "SELECT DATE_ADD('2017/08/25', 7)",
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"databricks": "SELECT DATEADD(week, 1, '2017/08/25')",
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},
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)
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def test_date_diff(self):
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self.validate_identity("SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')")
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self.validate_all(
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"SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')",
|
|
write={
|
|
"tsql": "SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')",
|
|
"spark": "SELECT DATEDIFF(year, '2020/01/01', '2021/01/01')",
|
|
"spark2": "SELECT MONTHS_BETWEEN('2021/01/01', '2020/01/01') / 12",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT DATEDIFF(mm, 'start','end')",
|
|
write={
|
|
"databricks": "SELECT DATEDIFF(month, 'start', 'end')",
|
|
"spark2": "SELECT MONTHS_BETWEEN('end', 'start')",
|
|
"tsql": "SELECT DATEDIFF(month, 'start', 'end')",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT DATEDIFF(quarter, 'start', 'end')",
|
|
write={
|
|
"databricks": "SELECT DATEDIFF(quarter, 'start', 'end')",
|
|
"spark": "SELECT DATEDIFF(quarter, 'start', 'end')",
|
|
"spark2": "SELECT MONTHS_BETWEEN('end', 'start') / 3",
|
|
"tsql": "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, 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)",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT x.a, x.b, t.v, t.y, s.v, s.y FROM x OUTER APPLY (SELECT v, y FROM t) t(v, y) OUTER APPLY (SELECT v, y FROM t) s(v, y) LEFT JOIN z ON z.id = s.id",
|
|
write={
|
|
"spark": "SELECT x.a, x.b, t.v, t.y, s.v, s.y FROM x LEFT JOIN LATERAL (SELECT v, y FROM t) AS t(v, y) LEFT JOIN LATERAL (SELECT v, y FROM t) AS s(v, y) LEFT JOIN z ON z.id = s.id",
|
|
},
|
|
)
|
|
|
|
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, LATERAL TVFTEST(t.x) AS y(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) AS y(z)",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT t.x, y.z FROM x OUTER APPLY a.b.tvfTest(t.x)y(z)",
|
|
write={
|
|
"spark": "SELECT t.x, y.z FROM x LEFT JOIN LATERAL a.b.TVFTEST(t.x) AS y(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')"}
|
|
)
|
|
|
|
def test_string(self):
|
|
self.validate_all(
|
|
"SELECT N'test'",
|
|
write={"spark": "SELECT 'test'"},
|
|
)
|
|
self.validate_all(
|
|
"SELECT n'test'",
|
|
write={"spark": "SELECT 'test'"},
|
|
)
|
|
self.validate_all(
|
|
"SELECT '''test'''",
|
|
write={"spark": r"SELECT '\'test\''"},
|
|
)
|
|
|
|
def test_eomonth(self):
|
|
self.validate_all(
|
|
"EOMONTH(GETDATE())",
|
|
write={"spark": "LAST_DAY(CURRENT_TIMESTAMP())"},
|
|
)
|
|
self.validate_all(
|
|
"EOMONTH(GETDATE(), -1)",
|
|
write={"spark": "LAST_DAY(ADD_MONTHS(CURRENT_TIMESTAMP(), -1))"},
|
|
)
|
|
|
|
def test_identifier_prefixes(self):
|
|
expr = parse_one("#x", read="tsql")
|
|
self.assertIsInstance(expr, exp.Column)
|
|
self.assertIsInstance(expr.this, exp.Identifier)
|
|
self.assertEqual(expr.sql("tsql"), "#x")
|
|
|
|
expr = parse_one("@x", read="tsql")
|
|
self.assertIsInstance(expr, exp.Parameter)
|
|
self.assertIsInstance(expr.this, exp.Var)
|
|
self.assertEqual(expr.sql("tsql"), "@x")
|
|
|
|
table = parse_one("select * from @x", read="tsql").args["from"].this
|
|
self.assertIsInstance(table, exp.Table)
|
|
self.assertIsInstance(table.this, exp.Parameter)
|
|
self.assertIsInstance(table.this.this, exp.Var)
|
|
|
|
def test_system_time(self):
|
|
self.validate_all(
|
|
"SELECT [x] FROM [a].[b] FOR SYSTEM_TIME AS OF 'foo'",
|
|
write={
|
|
"tsql": """SELECT "x" FROM "a"."b" FOR SYSTEM_TIME AS OF 'foo'""",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT [x] FROM [a].[b] FOR SYSTEM_TIME AS OF 'foo' AS alias",
|
|
write={
|
|
"tsql": """SELECT "x" FROM "a"."b" FOR SYSTEM_TIME AS OF 'foo' AS alias""",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT [x] FROM [a].[b] FOR SYSTEM_TIME FROM c TO d",
|
|
write={
|
|
"tsql": """SELECT "x" FROM "a"."b" FOR SYSTEM_TIME FROM c TO d""",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT [x] FROM [a].[b] FOR SYSTEM_TIME BETWEEN c AND d",
|
|
write={
|
|
"tsql": """SELECT "x" FROM "a"."b" FOR SYSTEM_TIME BETWEEN c AND d""",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT [x] FROM [a].[b] FOR SYSTEM_TIME CONTAINED IN (c, d)",
|
|
write={
|
|
"tsql": """SELECT "x" FROM "a"."b" FOR SYSTEM_TIME CONTAINED IN (c, d)""",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT [x] FROM [a].[b] FOR SYSTEM_TIME ALL AS alias",
|
|
write={
|
|
"tsql": """SELECT "x" FROM "a"."b" FOR SYSTEM_TIME ALL AS alias""",
|
|
},
|
|
)
|
|
|
|
def test_current_user(self):
|
|
self.validate_all(
|
|
"SUSER_NAME()",
|
|
write={"spark": "CURRENT_USER()"},
|
|
)
|
|
self.validate_all(
|
|
"SUSER_SNAME()",
|
|
write={"spark": "CURRENT_USER()"},
|
|
)
|
|
self.validate_all(
|
|
"SYSTEM_USER()",
|
|
write={"spark": "CURRENT_USER()"},
|
|
)
|
|
self.validate_all(
|
|
"SYSTEM_USER",
|
|
write={"spark": "CURRENT_USER()"},
|
|
)
|
|
|
|
def test_hints(self):
|
|
self.validate_all(
|
|
"SELECT x FROM a INNER HASH JOIN b ON b.id = a.id",
|
|
write={"spark": "SELECT x FROM a INNER JOIN b ON b.id = a.id"},
|
|
)
|
|
self.validate_all(
|
|
"SELECT x FROM a INNER LOOP JOIN b ON b.id = a.id",
|
|
write={"spark": "SELECT x FROM a INNER JOIN b ON b.id = a.id"},
|
|
)
|
|
self.validate_all(
|
|
"SELECT x FROM a INNER REMOTE JOIN b ON b.id = a.id",
|
|
write={"spark": "SELECT x FROM a INNER JOIN b ON b.id = a.id"},
|
|
)
|
|
self.validate_all(
|
|
"SELECT x FROM a INNER MERGE JOIN b ON b.id = a.id",
|
|
write={"spark": "SELECT x FROM a INNER JOIN b ON b.id = a.id"},
|
|
)
|
|
self.validate_all(
|
|
"SELECT x FROM a WITH (NOLOCK)",
|
|
write={
|
|
"spark": "SELECT x FROM a",
|
|
"tsql": "SELECT x FROM a WITH (NOLOCK)",
|
|
"": "SELECT x FROM a WITH (NOLOCK)",
|
|
},
|
|
)
|
|
self.validate_identity("SELECT x FROM a INNER LOOP JOIN b ON b.id = a.id")
|
|
|
|
def test_openjson(self):
|
|
self.validate_identity("SELECT * FROM OPENJSON(@json)")
|
|
|
|
self.validate_all(
|
|
"""SELECT [key], value FROM OPENJSON(@json,'$.path.to."sub-object"')""",
|
|
write={
|
|
"tsql": """SELECT "key", value FROM OPENJSON(@json, '$.path.to."sub-object"')""",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"SELECT * FROM OPENJSON(@array) WITH (month VARCHAR(3), temp int, month_id tinyint '$.sql:identity()') as months",
|
|
write={
|
|
"tsql": "SELECT * FROM OPENJSON(@array) WITH (month VARCHAR(3), temp INTEGER, month_id TINYINT '$.sql:identity()') AS months",
|
|
},
|
|
)
|
|
self.validate_all(
|
|
"""
|
|
SELECT *
|
|
FROM OPENJSON ( @json )
|
|
WITH (
|
|
Number VARCHAR(200) '$.Order.Number',
|
|
Date DATETIME '$.Order.Date',
|
|
Customer VARCHAR(200) '$.AccountNumber',
|
|
Quantity INT '$.Item.Quantity',
|
|
[Order] NVARCHAR(MAX) AS JSON
|
|
)
|
|
""",
|
|
write={
|
|
"tsql": """SELECT
|
|
*
|
|
FROM OPENJSON(@json) WITH (
|
|
Number VARCHAR(200) '$.Order.Number',
|
|
Date DATETIME2 '$.Order.Date',
|
|
Customer VARCHAR(200) '$.AccountNumber',
|
|
Quantity INTEGER '$.Item.Quantity',
|
|
"Order" TEXT AS JSON
|
|
)"""
|
|
},
|
|
pretty=True,
|
|
)
|