Logon Trigger on schema 2006-04-11 - By GUILLAUMIN Bert Ext ROSI/SI CLIENT
-- --Message d'origine-- --
De : Bertrand Guillaumin [mailto:bguillaumin.ext@(protected)]
Envoy? : jeudi 6 avril 2006 15:29
? : 'Oracle-L Freelists'
Objet : Logon Trigger on schema
Hi! I'm trying to use a logon trigger on a schema so that it will
systematically have the skip_unusable_indexes set to true and parallel DML
enabled(I have to use an app which sometimes disconnects and reconnects without
any visible reason).
So I wrote this trigger :
SQL> CREATE OR REPLACE TRIGGER FC_ENABLE_PARALLEL_DML after LOGON ON SCHEMA
2 BEGIN
3 EXECUTE IMMEDIATE 'ALTER SESSION ENABLE PARALLEL DML';
4 EXECUTE IMMEDIATE 'ALTER SESSION SET SKIP_UNUSABLE_INDEXES=TRUE';
5 END;
6 /
D?clencheur cr??.
and created a table for testing purpose :
SQL> CREATe TABLE T AS SELECT 1 as num FROM DUAL
2 /
Table cr??e.
SQL> CREATE INDEX I ON T(NUM)
2 /
Index cr??.
SQL> ALTER INDEX I UNUSABLE
2 /
Index modifi?.
But the problem is, when I disconnect and reconnect via sqlplus and try to
update an indexed column with the same user :
SQL> UPDATE T set NUM = 2;
UPDATE T set NUM = 2
*
ERREUR ? la ligne 1 :
ORA-01502 (See ORA-01502.ora-code.com): index 'CP20DEV2.I' or partition is unusable
I'm working on 9.2.0.4.
Any hint or advice appreciated.
Regards,
Bertrand Guillaumin
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