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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Marc G. Fournier <scrappy@hub.org>
Cc: pgsql-sql@postgresql.org
Subject: Re: simple trigger question ...
Date: Thu, 03 Apr 2003 09:38:07 -0500
Message-ID: <28222.1049380687@sss.pgh.pa.us> (raw)
In-Reply-To: <20030403061142.V72033@hub.org>
References: <20030402223933.M71125@hub.org>
	<25296.1049341477@sss.pgh.pa.us>
	<20030403000605.U71125@hub.org>
	<25512.1049343373@sss.pgh.pa.us>
	<20030403002922.Y71125@hub.org>
	<25618.1049344429@sss.pgh.pa.us>
	<20030403061142.V72033@hub.org>

"Marc G. Fournier" <scrappy@hub.org> writes:
> 'K, that makes it workable ... final question (I hope!) ... RULEs vs
> TRIGGERs?  I ended up doing it as a RULE, since I could do it without a
> function ... but is there a reason why that is a Bad Idea?  Or in a case
> like this, it doesn't really matter?

A lot of people have found that rules don't behave quite the way they
want, particularly with regard to things like the number of times that
side-effects happen.  Better test it out.

			regards, tom lane




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