X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 4D2B8529C2 for ; Sat, 2 Jul 2005 10:54:47 -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 20937-01 for ; Sat, 2 Jul 2005 13:54:37 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id E726C5299F for ; Sat, 2 Jul 2005 10:54:36 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.1/8.13.1) with ESMTP id j62DseIu025043; Sat, 2 Jul 2005 09:54:40 -0400 (EDT) To: Madison Kelly Cc: pgsql-performance@postgresql.org Subject: Re: B-Tree index not being used In-reply-to: <42C61537.3080601@alteeve.com> References: <42C61537.3080601@alteeve.com> Comments: In-reply-to Madison Kelly message dated "Sat, 02 Jul 2005 00:16:55 -0400" Date: Sat, 02 Jul 2005 09:54:40 -0400 Message-ID: <25042.1120312480@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.005 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200507/15 X-Sequence-Number: 13256 Madison Kelly writes: > Can anyone see why the index might not be being used? You didn't initdb in 'C' locale. You can either re-initdb, or create a specialized index with a non-default operator class to support LIKE. See the documentation. regards, tom lane