X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [64.117.224.130]) by svr1.postgresql.org (Postfix) with ESMTP id 21782D1C4BD for ; Wed, 6 Aug 2003 18:06:25 +0000 (GMT) Received: from svr1.postgresql.org ([64.117.224.193]) by localhost (neptune.hub.org [64.117.224.130]) (amavisd-new, port 10024) with ESMTP id 60703-06 for ; Wed, 6 Aug 2003 15:05:03 -0300 (ADT) Received: from sss.pgh.pa.us (unknown [192.204.191.242]) by svr1.postgresql.org (Postfix) with ESMTP id 05164D1C9E8 for ; Wed, 6 Aug 2003 15:06:13 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.12.9/8.12.9) with ESMTP id h76I6CSa001510; Wed, 6 Aug 2003 14:06:12 -0400 (EDT) To: Andrew Droffner Cc: pgsql-sql@postgresql.org Subject: Re: User-defined SQL function has slower query on 7.3.3 than 7.1.3 In-reply-to: <3F311AF8.5080707@advance.net> References: <3F311AF8.5080707@advance.net> Comments: In-reply-to Andrew Droffner message dated "Wed, 06 Aug 2003 11:12:56 -0400" Date: Wed, 06 Aug 2003 14:06:12 -0400 Message-ID: <1509.1060193172@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at postgresql.org X-Archive-Number: 200308/56 X-Sequence-Number: 14672 Andrew Droffner writes: > I have this QUERY (below) that PostgreSQL 7.3.X servers run MUCH slower > than > the 7.1.3 server does. I know of no reason for that to happen. Have you vacuum analyzed the 7.3 database? > It finds the ZIPs locations with a prepared > (and saved) SPI query, which uses an index: > "select latitude, longitude from geo_zipdata where zip = $1" How do you know it's using the index? regards, tom lane