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Re: Useless sort by

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Gaetano Mendola <mendola(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Useless sort by
Date: 2010-09-23 00:54:22
Message-ID: AANLkTi=VJXvNS_ysdNQOts2OiZVr-HfRgLS=qv25FoqE@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-performance
On Mon, Sep 13, 2010 at 1:09 PM, Gaetano Mendola <mendola(at)gmail(dot)com> wrote:
> I see your point, but some functions like:  unique, count are not affected
> by the order of values fed, and I don't think either that unique has to
> give out the unique values in the same fed order.

Gee, I'd sure expect it to.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company

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