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Re: getting the number of rows affected by a query

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On 16/11/2007, Sam Mason <sam@xxxxxxxxxxxxx> wrote:
> On Fri, Nov 16, 2007 at 12:51:07PM +0000, Raymond O'Donnell wrote:
> > On 16/11/2007 10:02, Sam Mason wrote:
> >
> > >  SELECT COUNT(*) FROM (
> > >    DELETE FROM foo RETURNING 1) x;
> >
> > I haven't played with this yet, but AFAICS this will simply return the
> > integer value "1".
>
> I currently get a syntax error, hence the way I wrote my message.
>
> I'd not expect it to return 1 though.  The "1" is there simply to be
> easy to evaluate, maybe "*" would have been better.  This 1 would get
> returned to the outer query, which would end up counting the number of
> rows deleted.
>

Using RETRNING clause in subselects are not supported yet. Look to ToDo.

Regards
Pavel Stehule

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