事务回滚 try catch

USE tempdb

IF OBJECT_ID ('dbo.test') IS NOT NULL
    DROP TABLE dbo.test
GO
CREATE TABLE dbo.test
    (
    id INT NOT NULL,
    CONSTRAINT pk_id PRIMARY KEY (id)
    )
GO

BEGIN TRY

BEGIN TRANSACTION

INSERT INTO dbo.test(id)VALUES (0 )
INSERT INTO dbo.test(id)VALUES (1 )
INSERT INTO dbo.test(id)VALUES (1 )
INSERT INTO dbo.test(id)VALUES (2 )

COMMIT TRANSACTION

END TRY
BEGIN CATCH
PRINT ERROR_MESSAGE()
ROLLBACK
END CATCH