Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bZFpk-0004Se-3y for pgsql-hackers@arkaria.postgresql.org; Mon, 15 Aug 2016 11:13:32 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84_2) (envelope-from ) id 1bZFpj-0005YJ-N8 for pgsql-hackers@arkaria.postgresql.org; Mon, 15 Aug 2016 11:13:31 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bZFpj-0005YC-84 for pgsql-hackers@postgresql.org; Mon, 15 Aug 2016 11:13:31 +0000 Received: from feynman.df7cb.de ([195.49.152.168]) by magus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1bZFpg-0000Y5-06 for pgsql-hackers@postgresql.org; Mon, 15 Aug 2016 11:13:30 +0000 Received: from msg.df7cb.de (aftr-37-201-193-11.unity-media.net [37.201.193.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by feynman.df7cb.de (Postfix) with ESMTPSA id 3sCXsz3Kv7z3F0R for ; Mon, 15 Aug 2016 13:13:27 +0200 (CEST) Date: Mon, 15 Aug 2016 13:13:27 +0200 From: Christoph Berg To: PostgreSQL Hackers Subject: Re: [Patch] Temporary tables that do not bloat pg_catalog (a.k.a fast temp tables) Message-ID: <20160815111326.jtigecnfktzg4fil@msg.df7cb.de> Mail-Followup-To: Christoph Berg , PostgreSQL Hackers References: <20160729141552.4062e19b@fujitsu> <39b0f423-a4df-3564-3b4a-b1de6f9eea80@2ndquadrant.com> <1184.1469890030@sss.pgh.pa.us> <20160815111057.v2mqqjp4aabvwqnc@msg.df7cb.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160815111057.v2mqqjp4aabvwqnc@msg.df7cb.de> User-Agent: Mutt/1.6.1-neo (2016-06-11) X-Pg-Spam-Score: -1.7 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-hackers Precedence: bulk Sender: pgsql-hackers-owner@postgresql.org Re: To Tom Lane 2016-08-15 <20160815111057.v2mqqjp4aabvwqnc@msg.df7cb.de> > Re: Tom Lane 2016-07-30 <1184.1469890030@sss.pgh.pa.us> > > In short, I think that the way to make something like this work is to > > figure out how to have "virtual" catalog rows describing a temp table. > > Or maybe to partition the catalogs so that vacuuming away temp-table > > rows is easier/cheaper than today. > > We should also be thinking about how the opposite idea of "global" > temp tables (Obviously I should catch up on the rest of the thread when postponing a message for an hour or two. Sorry for the duplicated idea here...) Christoph -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers