Re: Trigger is not firing immediately
От | Praveen |
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Тема | Re: Trigger is not firing immediately |
Дата | |
Msg-id | 010901c8e581$a2b85370$274610ac@praveenkm обсуждение исходный текст |
Ответ на | Trigger is not firing immediately ("Praveen" <praveen.k@renaissance-it.com>) |
Ответы |
Re: Trigger is not firing immediately
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Список | pgsql-performance |
Hi all, Please find the procedure and trigger which took more time when we try to update value in table through Procedure. CREATE OR REPLACE FUNCTION procname1(args) RETURNS void AS $BODY$ DECLARE { --- Some code blocks --- } BEGIN --> to here it is executing fastly after reaches this statement it's taking time update table1 set col1 = val1 where pk = val2 and col2 = val3; -----> HERE table1 IS HAVING THE TRIGGER I GIVEN BELOW THE TRIGGER( trigger1) exception WHEN OTHERS THEN raise notice '''EXCEPTION IN procname1 BLOCK 3 : %''',SQLERRM; NULL; END; $BODY$ LANGUAGE 'plpgsql' VOLATILE; ALTER FUNCTION procname1(args); CREATE OR REPLACE FUNCTION trigger1() RETURNS "trigger" AS $BODY$ BEGIN IF (TG_OP='UPDATE') THEN IF( some condition ) THEN BEGIN INSERT INTO table2(cols) VALUES(values); IF NOT FOUND THEN NULL; END IF; EXCEPTION WHEN OTHERS THEN NULL; END; END IF; END IF; RETURN NULL; END; $BODY$ LANGUAGE 'plpgsql' VOLATILE; ALTER FUNCTION trigger1(); > ----- Original Message ----- > From: "A. Kretschmer" <andreas.kretschmer@schollglas.com> > To: <pgsql-performance@postgresql.org> > Sent: Monday, July 14, 2008 12:18 PM > Subject: Re: [PERFORM] Trigger is not firing immediately > > >> am Mon, dem 14.07.2008, um 12:04:49 +0530 mailte Praveen folgendes: >>> >>> Hi All, >>> I am having a trigger in table, If I update the the table manually >>> trigger >>> is firing immediately(say 200ms per row), But if I update the table >>> through >>> procedure the trigger is taking time to fire(say 7 to 10 seconds per >>> row). >>> >>> Please tell me what kind of changes can I make so that trigger fire >>> immediately while updating the table through procedure ? >> >> Show us more details like source-code of the procedure, the trigger and >> a demonstration. >> >> >> Andreas >> -- >> Andreas Kretschmer >> Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) >> GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net >> >> -- >> Sent via pgsql-performance mailing list >> (pgsql-performance@postgresql.org) >> To make changes to your subscription: >> http://www.postgresql.org/mailpref/pgsql-performance >> > > >
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