X-Original-To: pgsql-hackers-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id AAA139DC833 for ; Thu, 29 Dec 2005 23:25:10 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 62303-07 for ; Thu, 29 Dec 2005 23:25:15 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from candle.pha.pa.us (candle.pha.pa.us [70.90.9.53]) by postgresql.org (Postfix) with ESMTP id 3DFFF9DC841 for ; Thu, 29 Dec 2005 23:25:07 -0400 (AST) Received: (from pgman@localhost) by candle.pha.pa.us (8.11.6/8.11.6) id jBU3PEJ25533; Thu, 29 Dec 2005 22:25:14 -0500 (EST) From: Bruce Momjian Message-Id: <200512300325.jBU3PEJ25533@candle.pha.pa.us> Subject: Re: Does VACUUM reorder tables on clustered indices In-Reply-To: <7723.1135912493@sss.pgh.pa.us> To: Tom Lane Date: Thu, 29 Dec 2005 22:25:14 -0500 (EST) CC: Andrew Sullivan , PostgreSQL-development X-Mailer: ELM [version 2.4ME+ PL121 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.12 required=5 tests=[AWL=0.120] X-Spam-Score: 0.12 X-Spam-Level: X-Archive-Number: 200512/1204 X-Sequence-Number: 78052 Tom Lane wrote: > Bruce Momjian writes: > > Tom, has this bug been addressed or documented? > > No. Please add a TODO: > > * Make CLUSTER preserve recently-dead tuples per MVCC requirements > > I have not tested, but I suspect the table-rewriting variants of ALTER TABLE > have the same problem. Added. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073