X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id ACA08D7CF8 for ; Wed, 7 Sep 2005 04:45:04 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 44146-03 for ; Wed, 7 Sep 2005 07:44:59 +0000 (GMT) Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.187]) by svr1.postgresql.org (Postfix) with ESMTP id 2A23CD7B56 for ; Wed, 7 Sep 2005 04:44:57 -0300 (ADT) Received: from [194.25.154.138] (helo=webserv.wug.de) by mrelayeu.kundenserver.de with ESMTP (Nemesis), id 0ML2Dk-1ECuc60m6n-0005by; Wed, 07 Sep 2005 09:44:58 +0200 Received: from kretschmer by webserv.wug.de with local (Exim 3.36 #1) id 1ECudf-0006E4-00 for pgsql-sql@postgresql.org; Wed, 07 Sep 2005 09:46:35 +0200 Date: Wed, 7 Sep 2005 09:46:35 +0200 From: "A. Kretschmer" To: pgsql-sql@postgresql.org Subject: Re: AGE function Message-ID: <20050907074635.GC18174@webserv.wug-glas.de> Mail-Followup-To: "A. Kretschmer" , pgsql-sql@postgresql.org References: <20050907050506.55141.qmail@web33402.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050907050506.55141.qmail@web33402.mail.mud.yahoo.com> X-DEST: 208 X-MSMail-Priority: High X-Message-Flag: Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) X-OS: Linux - weil ich es mir Wert bin! X-Info: registrierter Linux-User 97922 http://counter.li.org User-Agent: mutt-ng 1.5.9i (Linux) X-Provags-ID: kundenserver.de abuse@kundenserver.de login:51ea9561fc3f6d9539a2acd743e4748c X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.292 required=5 tests=[AWL=0.025, MISSING_MIMEOLE=0, X_MSMAIL_PRIORITY_HIGH=0.267] X-Spam-Level: X-Archive-Number: 200509/70 X-Sequence-Number: 22617 am 06.09.2005, um 22:05:06 -0700 mailte Louise Catherine folgendes: > When I execute this statement : > select AGE(TO_DATE('20041101','yyyymmdd'), > TO_DATE('19991201','yyyymmdd')) > ... > 4 years 11 mons 1 day > 4 years 11 mons > > My question : > 1. How does postgre 7.3.3 calculate AGE function? > 2. Why the result produced by postgre 7.3.3 > is different from postgre 8.0.3 ? How long is a month? 28 days, 29 days, 30 days, 31 days? select TO_DATE('20041101','yyyymmdd') - TO_DATE('19991201','yyyymmdd'); This is under 7.2.1 and 8.0.3 tha same: 1797. I guess, this is a rounding problem. Regards, Andreas -- Andreas Kretschmer (Kontakt: siehe Header) Heynitz: 035242/47212, D1: 0160/7141639 GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net === Schollglas Unternehmensgruppe ===