Re: How to notice column changes in trigger

From: Christoph Haller <ch(at)rodos(dot)fzk(dot)de>
To: pgsql-sql(at)postgresql(dot)org
Cc: Andreas(dot)Pflug(at)web(dot)de
Subject: Re: How to notice column changes in trigger
Date: 2003-03-10 14:34:48
Message-ID: 3E6CA287.2EE21BFB@rodos.fzk.de
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>
> >So you want the trigger executed only if assignments to b and/or c do

> >not appear within the update command. Right?
> >
>
> Right, that's what I want.
>
I'm afraid I have no idea how to accomplish that.

Regards, Christoph

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