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From: Richard Huxton <dev@archonet.com>
To: Jean-Luc Lachance <jllachan@nsd.ca>
To: pgsql-sql <pgsql-sql@postgresql.org>
Subject: Re: Rules/Trigges Trade-offs
Date: Fri, 6 Dec 2002 16:31:06 +0000
Message-ID: <200212061631.06077.dev@archonet.com> (raw)
In-Reply-To: <3DF0CA63.84F4D48@nsd.ca>
References: <7C760DAA511DC74B99E7D22189F786F1906DB0@MAIL01.stbernard.com>
	<3C90F994.3080605@joeconway.com>
	<3DF0CA63.84F4D48@nsd.ca>

On Friday 06 Dec 2002 4:03 pm, Jean-Luc Lachance wrote:
> Hi all!
>
> Is there a guideline on the use of rules compared to triggers when both
> can be use to achieve the same result?

If I can use rules I do. Rules rewrite the query so are processed once, 
whereas triggers get processed for every row.
-- 
  Richard Huxton



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