Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 84D736502AD for ; Wed, 27 Aug 2008 11:04:06 -0300 (ADT) Received: from postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 96484-06-2 for ; Wed, 27 Aug 2008 11:03:44 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 5B8096502EB for ; Wed, 27 Aug 2008 11:01:54 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id m7RE1oA2022841; Wed, 27 Aug 2008 10:01:50 -0400 (EDT) To: Jerry Champlin cc: pgsql-performance@postgresql.org Subject: Re: Is there a way to SubPartition? In-reply-to: <48B55A8D.1050209@absolute-performance.com> References: <48B55A8D.1050209@absolute-performance.com> Comments: In-reply-to Jerry Champlin message dated "Wed, 27 Aug 2008 07:45:49 -0600" Date: Wed, 27 Aug 2008 10:01:50 -0400 Message-ID: <22840.1219845710@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.41 tagged_above=0 required=5 tests=SUBJECT_FUZZY_TION=0.41 X-Spam-Level: X-Archive-Number: 200808/350 X-Sequence-Number: 31231 Jerry Champlin writes: > Is there a way to use multi-level inheritance to achieve sub > partitioning that the query optimizer will recognize? No, I don't think so. How would that make things any better anyway? You're still going to end up with the same very large number of partitions. regards, tom lane