Question

我在插入触发器后写了下面的内容，它没有给我任何错误。但是每当我尝试将数据插入sept18.test时，我都会遇到错误

错误代码：1442。无法更新存储的函数/触发器中的表“ test” 因为调用该存储的语句已使用它功能/触发。 0.000秒

有人可以帮助我解决此错误。谢谢你的配合。

-- SELECT * FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_NAME =  'TR_ORDERS_INS'
DROP TRIGGER IF EXISTS TR_ORDERS_INS;

DELIMITER $$
CREATE TRIGGER TR_ORDERS_INS
AFTER INSERT ON sept18.test for each row 
BEGIN
DECLARE MAX_DATE1 DATETIME;
IF EXISTS 
(
select 1 from ept18.test O
where O.STOREID = NEW.STOREID
AND O.ITEMID = NEW.ITEMID
AND O.ORDERDATE = NEW.ORDERDATE
)
THEN

    SET MAX_DATE1  = (SELECT max(DateTimeStamp) 
                        from sept18.test
                        where itemid = NEW.itemid
                        and storeid = NEW.storeid
                        and OrderDate = NEW.orderdate); 

    INSERT INTO sep18kentest.orders_history 
    (ORDERID,STOREID,ITEMID,ORDERDATE,QUANTITY,BONUSBUCK,FLATBONUSBUCK,PRICE,STOREPRICE,PRICEOVERRIDE,
    PRICEOVERRIDEFLAG,DIRECTSHIPFLAG,FREEITEMFLAG,SRP,DATETIMESTAMP,RECORDNUMBER)
    SELECT ORDERID,STOREID,ITEMID,ORDERDATE,QUANTITY,BONUSBUCK,FLATBONUSBUCK,PRICE,STOREPRICE,PRICEOVERRIDE,
    PRICEOVERRIDEFLAG,DIRECTSHIPFLAG,FREEITEMFLAG,SRP,DATETIMESTAMP,RECORDNUMBER
    FROM sept18.test OD
    WHERE OD.storeid = NEW.storeid
        and OD.itemid = NEW.itemid
        and OD.orderdate = NEW.orderdate
        and OD.DateTimeStamp  < MAX_DATE1;

   DELETE FROM  sept18.test
   WHERE storeid = NEW.storeid
        and itemid = NEW.itemid
        and orderdate = NEW.orderdate       
        and DateTimeStamp  < MAX_DATE1; 

   END IF;

END$$

插入触发器后的MySQL给出错误

0 个答案: