X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (neptune.hub.org [200.46.204.2]) by svr1.postgresql.org (Postfix) with ESMTP id 73206D1B49D for ; Thu, 4 Dec 2003 18:26:31 +0000 (GMT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (neptune.hub.org [200.46.204.2]) (amavisd-new, port 10024) with ESMTP id 86747-08 for ; Thu, 4 Dec 2003 14:26:01 -0400 (AST) Received: from serwer.skawsoft.com.pl (skawina.eu.org [80.48.213.66]) by svr1.postgresql.org (Postfix) with ESMTP id 9EF12D1B475 for ; Thu, 4 Dec 2003 14:25:59 -0400 (AST) Received: from klaster.net (core-1.citynet.pl [80.48.135.69]) by serwer.skawsoft.com.pl (Postfix) with ESMTP id 4ADDE2B3CD; Thu, 4 Dec 2003 19:25:34 +0100 (CET) Message-ID: <3FCF7C40.2040505@klaster.net> Date: Thu, 04 Dec 2003 19:26:08 +0100 From: Tomasz Myrta User-Agent: Mozilla/5.0 (Windows; U; Win 9x 4.90; pl-PL; rv:1.5) Gecko/20031007 X-Accept-Language: pl, en-us, en MIME-Version: 1.0 To: Wei Weng Cc: pgsql-sql@postgresql.org Subject: Re: How do I convert an interval into integer? References: <200312041309.12704.wweng@kencast.com> In-Reply-To: <200312041309.12704.wweng@kencast.com> Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 8bit X-Virus-Scanned: by amavisd-new at postgresql.org X-Archive-Number: 200312/37 X-Sequence-Number: 16203 Dnia 2003-12-04 19:09, Użytkownik Wei Weng napisał: > I want to convert an interval (from substraction between two timestamps) into > a integer that represents how many seconds that interval has. How do I do > that? select extract(epoch from your_interval); Regards, Tomasz Myrta