Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id ED1A41337BA1 for ; Tue, 15 Mar 2011 01:50:40 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 62887-06 for ; Tue, 15 Mar 2011 04:50:33 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from rs73.luxsci.com (rs73.luxsci.com [64.49.254.135]) by mail.postgresql.org (Postfix) with ESMTP id A0A66133616B for ; Tue, 15 Mar 2011 01:50:33 -0300 (ADT) Received: from GNANAM ([180.151.61.10]) (authenticated bits=0) by rs73.luxsci.com (8.13.8/8.13.8) with ESMTP id p2F4oShL021430; Mon, 14 Mar 2011 23:50:29 -0500 Reply-To: From: "Gnanakumar" To: "'Rosser Schwarz'" Cc: References: <006d01cbdfd5$f48becb0$dda3c610$@com> <4D79FF3D020000250003B7C6@gw.wicourts.gov> <004f01cbe20c$f2c6a260$d853e720$@com> <006201cbe21c$8a657e20$9f307a60$@com> In-Reply-To: Subject: Re: PSQLException: ERROR: could not open relation with OID xxxx Date: Tue, 15 Mar 2011 10:16:44 +0530 Organization: Zoniac Software Private Limited Message-ID: <002001cbe2cb$fda09870$f8e1c950$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AcvidRh7zwhfazw+SnGsAWsJn/rL2QAVlITg Content-Language: en-us X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-10 required=5 tests=BAYES_00=-1.9 X-Spam-Level: X-Archive-Number: 201103/165 X-Sequence-Number: 37037 > The key to understanding the problem is to realize that system > catalogs are pretty much regular tables in PostgreSQL, with some > additional special rules (no triggers, can't be CLUSTERed or ALTERed, > &c). Anything you'd do in a regular table that would create a dead > tuple =97 UPDATEs, DELETEs, &c =97=A0will have the same effect on a = catalog. Thanks for the detailed explanation on this topic.