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From: Bruno Wolff III <bruno@wolff.to>
To: H.J. Sanders <hjs@worldonline.nl>
Cc: pgsql-sql@postgresql.org
Subject: Re: transaction
Date: Tue, 20 Apr 2004 21:00:10 -0500
Message-ID: <20040421020010.GA19910@wolff.to> (raw)
In-Reply-To: <KIEBKBGIGGNDKKJJNKCFOELJCJAA.hjs@worldonline.nl>
References: <KIEBKBGIGGNDKKJJNKCFOELJCJAA.hjs@worldonline.nl>

On Tue, Apr 20, 2004 at 21:14:48 +0200,
  "H.J. Sanders" <hjs@worldonline.nl> wrote:
> 
> Hello list.
> 
> We are migrating from Informix to PSQL.
> 
> In Informix we used to do:
> 
> - BEGIN WORK
> 
> - INSERT ROW
> 
> - IF FAILED THEN UPDATE ROW
> 
> - COMMIT WORK
> 
> 
> In PSQL  this does not seem to work because after the first error (the
> insert)
> everything is omitted.
> 
> Has someone found a solution for this (we have 1000's of this type).

This question has come up a few times over the last year and there isn't
a great answer. Locking the table is a simple solution, but can lead to
problems because of contention.



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