From: Praveen <praveen.k@renaissance-it.com>
To: pgsql-performance@postgresql.org
Cc: andreas.kretschmer@schollglas.com
Subject: Re: Trigger is not firing immediately
Date: Mon, 14 Jul 2008 12:47:12 +0530
Message-ID: <010901c8e581$a2b85370$274610ac@praveenkm> (raw)
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)
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>>
>
>
>
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To: pgsql-performance@postgresql.org
Cc: praveen.k@renaissance-it.com, andreas.kretschmer@schollglas.com
Subject: Re: Trigger is not firing immediately
In-Reply-To: <010901c8e581$a2b85370$274610ac@praveenkm>
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