From: Bruno Wolff III <bruno@wolff.to>
To: Jeremy Palmer <palmerj@xtra.co.nz>
Cc: pgsql-sql@postgresql.org, 'Michael Glaesemann' <grzm@myrealbox.com>
Subject: Re: DISTINCT ON
Date: Sat, 19 Nov 2005 08:31:20 -0600
Message-ID: <20051119143120.GA22669@wolff.to> (raw)
In-Reply-To: <20051119040630.FEYC1416.mta4-rme.xtra.co.nz@creeping>
References: <DF11CA06-C2B3-46A2-B321-D827A1F2D4B5@myrealbox.com>
<20051119040630.FEYC1416.mta4-rme.xtra.co.nz@creeping>
On Sat, Nov 19, 2005 at 17:06:27 +1300,
Jeremy Palmer <palmerj@xtra.co.nz> wrote:
>
> Interesting enough, on my server the "distinct on" clause that I originally
> ran takes 10% of execution time that the query you provided does.
If DISTINCT ON wasn't useful, I doubt it would have been added.
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To: pgsql-sql@postgresql.org
Cc: bruno@wolff.to, palmerj@xtra.co.nz, grzm@myrealbox.com
Subject: Re: DISTINCT ON
In-Reply-To: <20051119143120.GA22669@wolff.to>
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