MySQL存储过程 事务transaction

DROP PROCEDURE IF EXISTS  test_sp1  
 CREATE PROCEDURE test_sp1( )  
    BEGIN  
    DECLARE t_error INTEGER DEFAULT 0;  
    DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET t_error=1;  
  
        START TRANSACTION;  
            INSERT INTO test VALUES(NULL, 'test sql 001');     
            INSERT INTO test VALUES('1', 'test sql 002');     
  
        IF t_error = 1 THEN  
            ROLLBACK;  
        ELSE  
            COMMIT;  
        END IF;  
  
 END