Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 0AA9F37BCE2 for ; Mon, 29 Sep 2008 20:57:59 -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 83235-09 for ; Mon, 29 Sep 2008 20:57:55 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from polaris.pinpointresearch.com (66-7-238-130.static-ip.telepacific.net [66.7.238.130]) by postgresql.org (Postfix) with ESMTP id 4022D37BF7A for ; Mon, 29 Sep 2008 20:57:56 -0300 (ADT) Received: from [192.168.1.179] (betelgeuse.pinpointresearch.com [192.168.1.179]) by polaris.pinpointresearch.com (Postfix) with ESMTP id B690AE00EC82; Mon, 29 Sep 2008 16:57:53 -0700 (PDT) Message-ID: <48E16B81.5080008@pinpointresearch.com> Date: Mon, 29 Sep 2008 16:57:53 -0700 From: Steve Crawford User-Agent: Thunderbird 2.0.0.17 (X11/20080925) MIME-Version: 1.0 To: Tom Lane CC: Scott Marlowe , Peter Kovacs , pgsql-admin@postgresql.org Subject: Re: Do we need vacuuming when tables are regularly dropped? References: <9815.1222690583@sss.pgh.pa.us> <48E10C95.2050207@pinpointresearch.com> <25195.1222728353@sss.pgh.pa.us> <48E1606E.7070702@pinpointresearch.com> <26113.1222731864@sss.pgh.pa.us> In-Reply-To: <26113.1222731864@sss.pgh.pa.us> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=none X-Spam-Level: X-Archive-Number: 200809/348 X-Sequence-Number: 30441 Tom Lane wrote: > Steve Crawford writes: > >> postgres@[local]=> CLUSTER pg_class USING pg_class_oid_index ; >> ERROR: "pg_class" is a system catalog >> > > I think the DB is probably protecting you from yourself here ;-). And elsewhere. :) I wasn't advocating for a change of behavior, just the addition of "Clustering is not permitted on system tables." to the documentation of the CLUSTER command. Cheers, Steve