From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Garamond <lists@zara.6.isreserved.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Interpolation and extrapolation in SQL
Date: Mon, 13 Sep 2004 11:16:33 -0400
Message-ID: <10381.1095088593@sss.pgh.pa.us> (raw)
In-Reply-To: <4145B6C4.1080605@zara.6.isreserved.com>
References: <4145B6C4.1080605@zara.6.isreserved.com>
David Garamond <lists@zara.6.isreserved.com> writes:
> 2) Does the optimizer cache the result of identical subqueries (e.g. :x1
> or :x2, which is mentioned several times in the query)?
No.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, lists@zara.6.isreserved.com
Subject: Re: Interpolation and extrapolation in SQL
In-Reply-To: <10381.1095088593@sss.pgh.pa.us>
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