Received: from localhost (unknown [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id D35F56333D4 for ; Thu, 2 Jul 2009 06:31:22 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 93853-04 for ; Thu, 2 Jul 2009 06:31:16 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from labmail.lucidview.net (labmail.lucidview.net [196.213.94.50]) by mail.postgresql.org (Postfix) with ESMTP id E33FA6333B2 for ; Thu, 2 Jul 2009 06:31:19 -0300 (ADT) Received: from mail.lucidview.net ([192.168.133.216]) by labmail.lucidview.net (8.14.3/8.14.3) with ESMTP id n629TfgN017353; Thu, 2 Jul 2009 11:29:41 +0200 Received: from [192.168.4.145] (unknown [192.168.133.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: timh_mail@lucidview.net) by mail.lucidview.net (Postfix) with ESMTPSA id 8A8C3D80CC; Thu, 2 Jul 2009 11:31:07 +0200 (SAST) Message-ID: <4A4C7E58.4010709@lucidview.net> Date: Thu, 02 Jul 2009 11:31:04 +0200 From: Tim Haak User-Agent: Thunderbird 2.0.0.22 (X11/20090608) MIME-Version: 1.0 CC: pgsql-sql@postgresql.org Subject: Re: Partitioned tables not using index for min and max 8.2.7? References: <4A4B91FF.8040308@lucidview.net> <13724.1246470286@sss.pgh.pa.us> In-Reply-To: <13724.1246470286@sss.pgh.pa.us> Content-Type: multipart/mixed; boundary="------------030801050703050601060705" X-Diffserv: 4 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=1.201 tagged_above=0 required=5 tests=AWL=-0.790, MISSING_HEADERS=1.581, SUBJECT_FUZZY_TION=0.41 X-Spam-Level: * X-Archive-Number: 200907/9 X-Sequence-Number: 32750 This is a multi-part message in MIME format. --------------030801050703050601060705 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cool thanks then not something I'm doing wrong :). Is this going to be changed or is changed in a latter version of postgres. (Do I need to do and upgrade or write a work around :) ) Tom Lane wrote: > Tim Haak writes: > >> I am running the following query again a partitioned table in 8.2.7. It >> does index scans which is unexpected as there are indexes for the >> log_date column. >> > > The index min/max optimization only works on single tables at the > moment. Sorry. > > regards, tom lane > > -- Tim Haak Email: timh@lucidview.net Tel: +27 12 658 9019 --------------030801050703050601060705 Content-Type: text/x-vcard; charset=utf-8; name="timh.vcf" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="timh.vcf" begin:vcard fn:Timothy Haak n:Haak;Timothy email;internet:timh@lucidview.net tel;work:+27 12 658 9019 tel;cell:+27 83 778 7100 x-mozilla-html:TRUE version:2.1 end:vcard --------------030801050703050601060705--