Re: Trigger is not firing immediately

От: Praveen
Тема: Re: Trigger is not firing immediately
Дата: ,
Msg-id: 02d201c8e597$3cc86e90$274610ac@praveenkm
(см: обсуждение, исходный текст)
Ответ на: Re: Trigger is not firing immediately  ("Praveen")
Список: pgsql-performance

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Trigger is not firing immediately  ("Praveen", )
 Re: Trigger is not firing immediately  ("A. Kretschmer", )
 Re: Trigger is not firing immediately  (Chris, )
 Re: Trigger is not firing immediately  ("Praveen", )
  Re: Trigger is not firing immediately  ("Pavel Stehule", )
  Re: Trigger is not firing immediately  ("Praveen", )

Yes , I am sure it is not trigger recursion.
----- Original Message -----
From: "Pavel Stehule" <>
To: "Praveen" <>
Cc: <>; <>
Sent: Monday, July 14, 2008 3:03 PM
Subject: Re: [PERFORM] Trigger is not firing immediately


> hello
>
> Are you sure, so you don't call trigger recursion?
>
> Regards
> Pavel Stehule
>
> 2008/7/14 Praveen <>:
>>
>> 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"
>>> <>
>>> To: <>
>>> 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
>>>> ()
>>>> To make changes to your subscription:
>>>> http://www.postgresql.org/mailpref/pgsql-performance
>>>>
>>>
>>>
>>>
>>
>>
>>
>> --
>> Sent via pgsql-performance mailing list
>> ()
>> To make changes to your subscription:
>> http://www.postgresql.org/mailpref/pgsql-performance
>>
>




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