X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 8CDDB5E37CB for ; Sun, 15 Aug 2004 16:43:23 -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 82388-06 for ; Sun, 15 Aug 2004 19:43:18 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id CB4835E3639 for ; Sun, 15 Aug 2004 16:43:18 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.12.11/8.12.11) with ESMTP id i7FJhIi1029108; Sun, 15 Aug 2004 15:43:19 -0400 (EDT) To: albrechtt@inseal.de (Sebastian Albrecht) Cc: pgsql-sql@postgresql.org Subject: Re: Getting points from polygon In-reply-to: References: Comments: In-reply-to albrechtt@inseal.de (Sebastian Albrecht) message dated "12 Aug 2004 09:59:23 -0700" Date: Sun, 15 Aug 2004 15:43:18 -0400 Message-ID: <29107.1092598998@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.0 tagged_above=0.0 required=5.0 tests= X-Spam-Level: X-Archive-Number: 200408/138 X-Sequence-Number: 18635 albrechtt@inseal.de (Sebastian Albrecht) writes: > how can I get single xy-points from a polygon like for example: [ looks through pg_proc... ] Hmm, this seems to be an oversight in the polygon datatype. I don't think it'd be real practical to support an array-subscript-like notation, but certainly a function like point(polygon, n) wouldn't be too hard to add. regards, tom lane