Re: suggestions on improving a query

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: Rajarshi Guha <rguha(at)indiana(dot)edu>, Adam Rich <adam(dot)r(at)sbcglobal(dot)net>, pgsql-general(at)postgresql(dot)org
Subject: Re: suggestions on improving a query
Date: 2007-02-14 16:00:06
Message-ID: 23926.1171468806@sss.pgh.pa.us
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Martijn van Oosterhout <kleptog(at)svana(dot)org> writes:
> There are some more comprehensive writeups around, but hopefully this
> gives you an idea.

You can find the official(tm) explanation at
http://www.postgresql.org/docs/8.2/static/executor.html
--- in fact, you might want to read all of chapter 42.

regards, tom lane

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