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From: Stephan Szabo <sszabo@megazone.bigpanda.com>
To: Stuart <sfbarbee@yahoo.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Auto-update a field when record is changed
Date: Fri, 22 Aug 2003 21:53:48 -0700 (PDT)
Message-ID: <20030822215217.L6822-100000@megazone.bigpanda.com> (raw)
In-Reply-To: <200308222332.47526.sfbarbee@yahoo.com>

On Fri, 22 Aug 2003, Stuart wrote:

> Folks,
>
> 	I was wandering if there was a feasible way to automatically update a field
> in a table, say 'revision_date' in a record whenever any other field in the
> record is changed.  My attempts to use a trigger caused repeating loops and
> bombed with error.  I would like to be able to update such a field
> automatically anytime a record was updated.  Any help would be appreciated.

That seems like a job for a before trigger and changing the to be
update/inerted record before the action occurs in general.  Don't
use an update statement but change the record variables given as the NEW
row.




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