Received: from maia.hub.org (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id F30D9632E5A for ; Wed, 17 Mar 2010 11:21:44 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 23273-09 for ; Wed, 17 Mar 2010 14:21:33 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id 629C5634B43 for ; Wed, 17 Mar 2010 11:21:34 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id o2HELWI9027816; Wed, 17 Mar 2010 10:21:32 -0400 (EDT) To: Andreas Gaab cc: "pgsql-sql@postgresql.org" Subject: Re: select points of polygons In-reply-to: <48DA836F3865C54B8FBF424A3B775AF6FDE728EC@Exchange-Server.scanlab-intern.de> References: <48DA836F3865C54B8FBF424A3B775AF6FDE728EC@Exchange-Server.scanlab-intern.de> Comments: In-reply-to Andreas Gaab message dated "Wed, 17 Mar 2010 10:08:25 +0100" Date: Wed, 17 Mar 2010 10:21:32 -0400 Message-ID: <27815.1268835692@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-2.599 tagged_above=-10 required=5 tests=BAYES_00=-2.599 X-Spam-Level: X-Archive-Number: 201003/135 X-Sequence-Number: 33842 Andreas Gaab writes: > I have polygons with 5 points (left, center, right, top, bottom) > Now I would like to select an individual point out of the polygon. Are > there any functions to provide this Doesn't look like it :-(. Seems like rather an oversight. regards, tom lane