Re: infinite trigger loop

From: Jan Wieck <JanWieck(at)Yahoo(dot)com>
To: Erick Dennis <edennis(at)rootshell(dot)be>
Cc: Veres Lajos <vlajos(at)www(dot)vatera(dot)hu>, pgsql-general(at)postgresql(dot)org
Subject: Re: infinite trigger loop
Date: 2003-05-20 01:54:37
Message-ID: 3EC98ADD.5000308@Yahoo.com
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Erick Dennis wrote:
> I don't know what you trigger are doing, but, you can't check if the
> update was already made? before try to update it!.

Sort of a solution ... put "... AND att != OLD.att" into the updates
performed by the triggers and it's not looping.

Jan

>
>
> On Mon, 12 May 2003, Veres Lajos wrote:
>
>
>>Hello,
>>
>>I would like to synchronize 2 tables.
>>I think that maybe triggers are the best solution.
>>But, if i create two update trigger, when i update the first table first
>>trigger update the other, and the other trigger also try to update the
>>first table... and this is an infinite loop.
>>At now, in all two triggers i first drop the other and after the update
>>recreate.
>>I think that this is not the _best_ solution.
>>Can you show me a better solution?
>>thanks.
>>
>>PS:
>>please CC: for my personal e-mail address, I'm not subscribed.
>>
>>Veres Lajos
>>vlajos(at)ludens(dot)elte(dot)hu
>>+36 20 438 5909
>>
>>
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>
>

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