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From: Marc G. Fournier <scrappy@hub.org>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-sql@postgresql.org
Subject: Re: simple trigger question ...
Date: Thu, 3 Apr 2003 06:12:55 -0400 (AST)
Message-ID: <20030403061142.V72033@hub.org> (raw)
In-Reply-To: <25618.1049344429@sss.pgh.pa.us>
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>

On Wed, 2 Apr 2003, Tom Lane wrote:

> "Marc G. Fournier" <scrappy@hub.org> writes:
> > Okay, so I do have to create the FUNCTION first, I can't do it without?
>
> Check.
>
> > Can a TRIGGER pass an arg to the FUNCTION?
>
> Yes, but only simple constant strings.  (In this context, it might
> make sense for the CREATE TRIGGER command to tell the function the
> name of the specific sequence to increment.)

'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?




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