Received: from localhost (unknown [200.46.204.183]) by developer.postgresql.org (Postfix) with ESMTP id 6EED02E0039 for ; Mon, 12 May 2008 11:24:48 -0300 (ADT) Received: from developer.postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 22674-03 for ; Mon, 12 May 2008 11:24:39 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from smadev.internal.net (host3.dynacom.ondsl.gr [62.103.35.211]) by developer.postgresql.org (Postfix) with ESMTP id 355A82E0032 for ; Mon, 12 May 2008 11:24:44 -0300 (ADT) Received: from smadev.internal.net (localhost [127.0.0.1]) by smadev.internal.net (8.14.2/8.14.2) with ESMTP id m4CEOeCn092565; Mon, 12 May 2008 17:24:40 +0300 (EEST) (envelope-from achill@matrix.gatewaynet.com) Received: from localhost (localhost [[UNIX: localhost]]) by smadev.internal.net (8.14.2/8.14.2/Submit) id m4CEOcJO092564; Mon, 12 May 2008 17:24:38 +0300 (EEST) (envelope-from achill@matrix.gatewaynet.com) From: Achilleas Mantzios Organization: Dynacom Tankers Mgmt To: pgsql-admin@postgresql.org Subject: Re: how to get a number of seconds in some interval ? Date: Mon, 12 May 2008 17:24:38 +0300 User-Agent: KMail/1.9.7 Cc: Julius Tuskenis References: <482849B0.6050103@nsoft.lt> In-Reply-To: <482849B0.6050103@nsoft.lt> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Message-Id: <200805121724.38772.achill@matrix.gatewaynet.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200805/92 X-Sequence-Number: 29176 =CE=A3=CF=84=CE=B9=CF=82 Monday 12 May 2008 16:44:16 =CE=BF/=CE=B7 Julius T= uskenis =CE=AD=CE=B3=CF=81=CE=B1=CF=88=CE=B5: > Hello, >=20 > Is there a good method of knowing how mutch seconds does some interval=20 > have?? I tried my_interval / (interval '1 second'), but there is no=20 > operator interval / interval defines (I wonder why). > Is there a method to do so? >=20 smth like dynacom=3D# SELECT extract(epoch from '49 hours 0 mins 12 seconds'::interva= l); > --=20 > Julius Tuskenis > Programavimo skyriaus vadovas > UAB nSoft > mob. +37068233050 >=20 >=20 =2D-=20 Achilleas Mantzios