Received: from localhost (maia-1.hub.org [200.46.204.191]) by postgresql.org (Postfix) with ESMTP id 95BEA9FB463 for ; Sat, 16 Jun 2007 07:53:17 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.191]) (amavisd-maia, port 10024) with ESMTP id 21674-02 for ; Sat, 16 Jun 2007 07:53:13 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from 137086.vserver.de (vs137086.vserver.de [62.75.137.86]) by postgresql.org (Postfix) with ESMTP id 0B6009FB458 for ; Sat, 16 Jun 2007 07:53:12 -0300 (ADT) Received: from a-kretschmer.de (p54B399BA.dip0.t-ipconnect.de [84.179.153.186]) (authenticated bits=0) by 137086.vserver.de (8.12.8/8.12.8) with ESMTP id l5GAqmHI021790 for ; Sat, 16 Jun 2007 12:52:50 +0200 Received: from kretschmer by a-kretschmer.de with local (Exim 4.61) (envelope-from ) id 1HzVwD-0003g9-Ht for pgsql-performance@postgresql.org; Sat, 16 Jun 2007 12:55:25 +0200 Date: Sat, 16 Jun 2007 12:55:25 +0200 From: Andreas Kretschmer To: pgsql-performance@postgresql.org Subject: Re: determining maxsize for character varying Message-ID: <20070616105525.GA13754@KanotixBox> References: <1181987590.4673b306d4baf@imp.free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1181987590.4673b306d4baf@imp.free.fr> X-OS: Debian/GNU Linux - weil ich es mir Wert bin! X-GPG-Fingerprint: EE16 3C01 7B9C 10F7 2C8B 3B86 4DB3 D9EE 7F45 84DA X-Message-Flag: "Windows" is not the answer. "Windows" is the question and the answer is "no"! X-Lugdd: Gerd Kube X-Info: My name is root. Just root. And I am licensed to kill -9 User-Agent: mutt-ng 1.5.9i (Linux) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.167 tagged_above=0 required=5 tests=AWL=0.031, BAYES_50=0.001, FORGED_RCVD_HELO=0.135 X-Spam-Level: X-Archive-Number: 200706/283 X-Sequence-Number: 25316 okparanoid@free.fr schrieb: > Hello i would like to know if not determining a max size value for a character > varying's fields decrease the perfomance (perhaps size of stockage ? or > something else ?) No problem because of the TOAST-technology: http://www.postgresql.org/docs/current/static/storage-toast.html Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknow) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°