Table is the mutation of error in after the update trigger
HelloIn all of my table, I have columns EDITDATE and EDITUSER. So whenever a table is updated I need to update these two fields with the USER and SYSDATE. For this I use a BEFORE UPDATE trigger. This trigger is activated, but I get "ORA-04091: table %s.%s is changing, function of triggering/can not see" error every time I update the table. I used this method in SQL Server. I understand that Oracle doesn't have to be the same as SQL Server but I do not know there is a way to do this. Do you know what it is?
EDIT: Here is the Code of the trigger
create or replace
TR_LEGISLATION_CALCUL_AE RELAXATION
BEFORE THE UPDATE
ON LEGISLATION_CALCUL
FOR EACH LINE
DECLARE
v_LEGISLATIONCALCULID NUMBER (10,0);
BEGIN
SELECT: NEW. LEGISLATIONCALCULID
IN v_LEGISLATIONCALCULID
FROM DUAL;
UPDATE LEGISLATION_CALCUL
SET EDITUSER_ID = UID,
EDITDATE = SYSDATE
WHERE LEGISLATIONCALCULID = v_LEGISLATIONCALCULID;
END;
Published by: Mikhail on 12 March 2012 23:54
Mikhail says:
HelloIn all of my table, I have columns EDITDATE and EDITUSER. So whenever a table is updated I need to update these two fields with the USER and SYSDATE. For this I use the AFTER UPDATE trigger. This trigger is activated, but I get "ORA-04091: table %s.%s is changing, function of triggering/can not see" error every time I update the table. I used this method in SQL Server. I understand that Oracle doesn't have to be the same as SQL Server but I do not know there is a way to do this. Do you know what it is?
EDIT: Here is the Code of the trigger
create or replace
TR_LEGISLATION_CALCUL_AE RELAXATION
BEFORE THE UPDATE
ON LEGISLATION_CALCUL
FOR EACH LINE
just put this in your before update (and not after the update as you mentioned) for each trigger line:
BEGIN
:new.EDITUSER_ID := UID;
:new.EDITDATE := SYSDATE;
END;
Tags: Database
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