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 E207F5283B for ; Fri, 27 May 2005 21:09:42 -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 59011-03 for ; Sat, 28 May 2005 00:09:41 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id 321435288C for ; Fri, 27 May 2005 21:09:41 -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 j4S09iSa001738; Fri, 27 May 2005 20:09:44 -0400 (EDT) To: Jeffrey Tenny Cc: pgsql-performance@postgresql.org Subject: Re: Redundant indexes? In-reply-to: <429790E1.5040308@comcast.net> References: <429790E1.5040308@comcast.net> Comments: In-reply-to Jeffrey Tenny message dated "Fri, 27 May 2005 17:28:01 -0400" Date: Fri, 27 May 2005 20:09:44 -0400 Message-ID: <1737.1117238984@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.006 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200505/416 X-Sequence-Number: 12580 Jeffrey Tenny writes: > Would I be correct in assuming that the following two indexes are > completely redundant except for the fact that one complains about > uniqueness constraint violations and the other does not? Yup ... regards, tom lane