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Date: Tue, 2 Nov 2004 16:20:37 +0100
From: Markus Schaber <schabios@logi-track.com>
To: PostgreSQL SQL <pgsql-sql@postgresql.org>
Subject: Re: Update instead rules on Views
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Helo,

On Tue, 2 Nov 2004 13:05:07 +0100
Markus Schaber <schabios@logi-track.com> wrote:

> -- But to remain compatibility with old apps, we also need to manage
> -- updates to the view, which are to be rewritten as follows:
> CREATE RULE testview_update_rule=20
> AS ON UPDATE TO testview DO INSTEAD=20
>     UPDATE realdata SET=20
>         index =3D NEW.index,
>         data =3D NEW.data,
>         obsolete=3DNULL
>     ;

I now got it to work with adding a "WHERE index=3DNEW.index" to the view.

Am I correct in my assumption that this means that this only works when
I have a primary key (or at least unique) row in my dataset?

Thanks,
Markus
--=20
markus schaber | dipl. informatiker
logi-track ag | rennweg 14-16 | ch 8001 z=FCrich
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