From: Tom Lane <tgl@sss.pgh.pa.us>
To: Tatsuo Ishii <ishii@postgresql.org>
Cc: er@xs4all.nl
Cc: pgsql-patches@postgresql.org
Cc: pgsql-hackers@postgresql.org
Cc: y-asaba@sraoss.co.jp
Subject: Re: [PATCHES] WITH RECUSIVE patches 0717
Date: Sun, 20 Jul 2008 12:22:30 -0400
Message-ID: <29621.1216570950@sss.pgh.pa.us> (raw)
In-Reply-To: <20080721.004216.38709223.t-ishii@sraoss.co.jp>
References: <12057.156.83.1.19.1216402224.squirrel@webmail.xs4all.nl>
<20080721.004216.38709223.t-ishii@sraoss.co.jp>
Tatsuo Ishii <ishii@postgresql.org> writes:
> Thus I think we should avoid this kind of ORDER BY. Probably we should
> avoid LIMIT/OFFSET and FOR UPDATE as well.
What of index-optimized SELECT max(...) ?
regards, tom lane
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To: pgsql-patches@postgresql.org
Cc: tgl@sss.pgh.pa.us, ishii@postgresql.org, er@xs4all.nl, pgsql-hackers@postgresql.org, y-asaba@sraoss.co.jp
Subject: Re: [PATCHES] WITH RECUSIVE patches 0717
In-Reply-To: <29621.1216570950@sss.pgh.pa.us>
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