Oracle sql错误触发器,而不是
我正在尝试生成一个instead of触发器,但我一直得到以下错误:第11行的错误:PL/SQL:SQL语句被忽略 这是我的密码:Oracle sql错误触发器,而不是,oracle,plsql,database-trigger,Oracle,Plsql,Database Trigger,我正在尝试生成一个instead of触发器,但我一直得到以下错误:第11行的错误:PL/SQL:SQL语句被忽略 这是我的密码: CREATE VIEW BiletNouVIP AS SELECT nume, nrbilet, sursa, destinatia, clasa, valoare FROM Clienti c, Bilete b WHERE b.idclient = c.idclient AND c.statut = 'VIP'; nume来自Clienti 纳比莱、苏尔萨、德
CREATE VIEW BiletNouVIP AS
SELECT nume, nrbilet, sursa, destinatia, clasa, valoare
FROM Clienti c, Bilete b
WHERE b.idclient = c.idclient AND c.statut = 'VIP';
nume来自Clienti
纳比莱、苏尔萨、德斯特纳提亚、克拉萨、瓦洛雷来自比莱特
唯一的主键是nrbilet
CREATE OR REPLACE TRIGGER new_BiletNouVIP
INSTEAD OF INSERT ON BiletNouVIP FOR EACH ROW
DECLARE
rowcnt integer := 0;
BEGIN
INSERT INTO Clienti(nume)
VALUES(:new.nume);
SELECT COUNT(*) INTO rowcnt FROM Bilete WHERE nrbilet = :new.nrbilet;
IF rowcnt = 0 THEN
INSERT INTO Bilete(nrbilet, clasa, valoare, sursa, destinatia)
VALUES (:new.nrbilet, :new.clasa, :new.valoare, :new.sursa, :new.destinatia);
ELSE
UPDATE Bilete
SET Bilete.clasa =: new.clasa, Bilete.valoare =: new.valoare, Bilete.sursa =: new.sursa, Bilete.destinatia =: new.destinatia
WHERE Bilete.nrbilet =: new.nrbilet;
END IF;
END;`
在ELSE分支中,赋值在冒号-=:new后面有一个空格,这是无效语法。冒号需要是:new名称空间的一部分,如下所示
UPDATE Bilete
SET Bilete.clasa = :new.clasa,
Bilete.valoare = :new.valoare,
Bilete.sursa = :new.sursa,
Bilete.destinatia = :new.destinatia
WHERE Bilete.nrbilet = :new.nrbilet
不确定错误在哪里,但您几乎可以用MERGE语句替换大部分代码。不确定它是否只是一个转录语句,但在第二次更新语句中,分号后面有一个空格,例如Bilete.clasa=:new.clasa,而不是Bilete.clasa=:new.clasa