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