I totally agree with you and the problem is gonna be fixed. I just needed a temporary solution until the patch goes
out.
Thank you,
Ioana
--- On Wed, 3/2/11, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> From: Tom Lane <tgl@sss.pgh.pa.us>
> Subject: Re: [GENERAL] select DISTINCT not ordering the returned rows
> To: "Ioana Danes" <ioanasoftware@yahoo.ca>
> Cc: "PostgreSQL General" <pgsql-general@postgresql.org>
> Received: Wednesday, March 2, 2011, 3:44 PM
> Ioana Danes <ioanasoftware@yahoo.ca>
> writes:
> > I upgraded postgres from 8.3 to 9.0.3 and I have an
> issue with the order of the returned rows.
>
> Your application is simply broken if it assumes that
> DISTINCT results in
> ordering the rows. The only thing that guarantees
> that is an ORDER BY.
>
> You could probably work around it for the short term by
> unsetting
> enable_hashagg, but you really ought to fix the query
> instead.
>
>
> regards, tom lane
>
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