![[MySQL]MySQL的signal sqlstate](/uploads/reation/bcimg13.png)
[MySQL]MySQL的signal sqlstate
drop trigger trig_test;create trigger trig_test before insert on udf_update_deliveryfor each rowbegindeclare msg varchar(20);set msg='提交数据错误,请检查';if new.delivery_no like '99-300101%' thensigna...
