Received: from localhost (maia-5.hub.org [200.46.204.182]) by postgresql.org (Postfix) with ESMTP id 54AA19FBBCF for ; Thu, 22 Mar 2007 16:40:54 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.182]) (amavisd-new, port 10024) with ESMTP id 82303-09 for ; Thu, 22 Mar 2007 16:40:34 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 959459FBBA4 for ; Thu, 22 Mar 2007 16:40:36 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.6/8.13.6) with ESMTP id l2MJeYPL023629; Thu, 22 Mar 2007 15:40:34 -0400 (EDT) To: "Craig A. James" cc: Steve Atkins , pgsql-performance@postgresql.org Subject: Re: Performance of count(*) In-reply-to: <4602D680.2020106@modgraph-usa.com> References: <200703221208.19358.albert@sedifa.com> <20070322141807.GE11402@mathom.us> <46029DE3.9030505@modgraph-usa.com> <4602A15B.7000908@wildenhain.de> <4602BB19.9050306@modgraph-usa.com> <228F06CD-3642-4A42-813A-648285A3BDBC@blighty.com> <4602C921.3070303@modgraph-usa.com> <20588.1174588646@sss.pgh.pa.us> <4602D680.2020106@modgraph-usa.com> Comments: In-reply-to "Craig A. James" message dated "Thu, 22 Mar 2007 11:18:24 -0800" Date: Thu, 22 Mar 2007 15:40:33 -0400 Message-ID: <23628.1174592433@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200703/357 X-Sequence-Number: 23762 "Craig A. James" writes: > Tom Lane wrote: >> You mean >> http://archives.postgresql.org/pgsql-performance/2006-10/msg00283.php >> ? I don't see anything there that bears on Steve's suggestion. > Mea culpa, it's October 8, not October 18: > http://archives.postgresql.org/pgsql-performance/2006-10/msg00143.php I still don't see the relevance to Steve's suggestion. regards, tom lane