Question

我想更新触发触发器的同一记录。我使用“BEFORE INSERT”做到了这一点选项。但请注意，如果存在任何故障，我已使用事务来回滚操作。

CREATE OR REPLACE TRIGGER GANUKA.INTF_CONTROLLER_UPLOADER
BEFORE insert ON GANUKA.INTF_CONTROLLER for each row
DECLARE 
    PRAGMA AUTONOMOUS_TRANSACTION;
    max_id INTEGER;
    stat VARCHAR2(32);
begin

select :new.id into max_id from dual;
select :new.status into stat from dual;



 IF STAT = 'NEW' THEN   --ONLY NEW UPLOADS WILL CONTINUE FOR PROCESS
    :NEW.STATUS := 'STARTED';
     max_id := GANUKA.BACKOFFICE_UPDATE(max_id); --PL/SQL function
    :NEW.STATUS := 'COMPLETED';

ELSE
   :NEW.STATUS := 'ABORTED';
    :NEW.REMARKS :='STATUS IS NOT RECONGNIZED';

END IF;

COMMIT;

EXCEPTION
    WHEN OTHERS
     THEN
       ROLLBACK;
        RAISE;

end;
/

问题是，如果有任何异常，我想更新记录以将状态设置为“失败”。任何人都可以告诉我该怎么做。

Answer 1

我不确定为什么你在这里使用自治事务，为什么你必须在触发器中提交/回滚......

Answer 2

这样做吗？

CREATE OR REPLACE TRIGGER GANUKA.INTF_CONTROLLER_UPLOADER
BEFORE insert ON GANUKA.INTF_CONTROLLER for each row
DECLARE 
    max_id INTEGER;
    stat VARCHAR2(32);
begin

 max_id := :new.id;
 stat := :new.status;

 IF STAT = 'NEW' THEN   --ONLY NEW UPLOADS WILL CONTINUE FOR PROCESS
    DECLARE 
      PRAGMA AUTONOMOUS_TRANSACTION;
    BEGIN
      max_id := GANUKA.BACKOFFICE_UPDATE(max_id); --PL/SQL function
      COMMIT;
      :NEW.STATUS := 'COMPLETED';
    EXCEPTION
      WHEN OTHERS THEN
        ROLLBACK;
        :new.status := 'FAILED';
    END;

 ELSE
    :NEW.STATUS := 'ABORTED';
    :NEW.REMARKS :='STATUS IS NOT RECONGNIZED';

 END IF;

end;
/

更新触发触发器的同一记录

2 个答案: