Re: self-referential UPDATE problem on 7.4

From: Karsten Hilbert <Karsten(dot)Hilbert(at)gmx(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: self-referential UPDATE problem on 7.4
Date: 2007-01-04 17:58:44
Message-ID: 20070104175844.GE3969@merkur.hilbert.loc
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On Thu, Jan 04, 2007 at 06:37:23PM +0100, Karsten Hilbert wrote:

> > > It returns "UPDATE 2" which is what I expect from the data.
> > > However, the rows in question are not actually updated.
> >
> > That seems very strange. Could you perhaps have a BEFORE UPDATE trigger
> > that's changing the values back to null again?
> I do but I drop that one in the script before doing the
> above update. I may have an old one hanging around, though,
> I'll double-check.
I was missing a schema qualification in a drop statement,
hence the culprit trigger function wasn't dropped properly.

Sometimes a hint helps.

Thanks Tom,
Karsten
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