RE: Logon Trigger on schema

From: Yasin Baskan <yasbs_at_kocbank.com.tr>
Date: Tue, 11 Apr 2006 13:40:17 +0300
Message-ID: <083667B535F3464CA0DD0D1DAFA4E376092E58DD@camexc1.kfs.local>

Please specify the schema name as follows. This solves the issue.

SQL> UPDATE T set NUM = 2;
UPDATE T set NUM = 2
*

ERROR at line 1:
ORA-01502: index 'SCOTT.I' or partition of such index is in unusable state

SQL> begin
2 EXECUTE IMMEDIATE 'ALTER SESSION SET SKIP_UNUSABLE_INDEXES=TRUE'; 3 end;
4 /

PL/SQL procedure successfully completed.

SQL> UPDATE T set NUM = 2;

1 row updated.

SQL> CREATE OR REPLACE TRIGGER FC_ENABLE_PARALLEL_DML after LOGON ON SCOTT.SCHEMA
BEGIN
EXECUTE IMMEDIATE 'ALTER SESSION ENABLE PARALLEL DML'; EXECUTE IMMEDIATE 'ALTER SESSION SET SKIP_UNUSABLE_INDEXES=TRUE'; END;
/ 2 3 4 5 6 7

Trigger created.

SQL> disc
Disconnected from Oracle9i Enterprise Edition Release 9.2.0.7.0 - 64bit Production With the Partitioning option
JServer Release 9.2.0.7.0 - Production
SQL> conn scott
Enter password:
Connected.
SQL> UPDATE T set NUM = 2;

1 row updated.

-----Original Message-----
From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of GUILLAUMIN Bert Ext ROSI/SI CLIENT Sent: Tuesday, April 11, 2006 11:53 AM
To: 'Oracle-L Freelists'
Subject: RE: Logon Trigger on schema

-----Message d'origine-----
De : Bertrand Guillaumin [mailto:bguillaumin.ext_at_francetelecom.com] Envoyé : jeudi 6 avril 2006 15:29
À : '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 /

DÚclencheur crÚÚ.

and created a table for testing purpose : SQL> CREATe TABLE T AS SELECT 1 as num FROM DUAL 2 /

Table crÚÚe.

SQL> CREATE INDEX I ON T(NUM)
2 /

Index crÚÚ.

SQL> ALTER INDEX I UNUSABLE
2 /

Index modifiÚ.

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 Ó la ligne 1 :
ORA-01502: 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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Received on Tue Apr 11 2006 - 05:40:17 CDT