From: Marc G. Fournier <scrappy@hub.org>
To: Rod Taylor <rbt@rbt.ca>
Cc: pgsql-sql@postgresql.org
Subject: Re: simple trigger question ...
Date: Thu, 3 Apr 2003 19:00:26 -0400 (AST)
Message-ID: <20030403185938.D7340@hub.org> (raw)
In-Reply-To: <1049380007.22629.14.camel@jester>
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>
<1049380007.22629.14.camel@jester>
On Thu, 3 Apr 2003, Rod Taylor wrote:
> > '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?
>
> Rules are per statement, not per row.
>
> An INSERT INTO ... SELECT ... statement will cause a single execution of
> the rule even if you insert several hundred rows.
Ah, okay, definitely not a good thing to use then ... thanks, will finish
what I started with TRIGGERs instead :)
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To: pgsql-sql@postgresql.org
Cc: scrappy@hub.org, rbt@rbt.ca
Subject: Re: simple trigger question ...
In-Reply-To: <20030403185938.D7340@hub.org>
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