From oracle-l-bounce@freelists.org Wed May 5 12:01:07 2004 Return-Path: Received: from air189.startdedicated.com (root@localhost) by orafaq.com (8.11.6/8.11.6) with ESMTP id i45H0qS18973 for ; Wed, 5 May 2004 12:01:02 -0500 X-ClientAddr: 206.53.239.180 Received: from turing.freelists.org (freelists-180.iquest.net [206.53.239.180]) by air189.startdedicated.com (8.11.6/8.11.6) with ESMTP id i45H0g618955 for ; Wed, 5 May 2004 12:00:52 -0500 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 8077E72DC4A; Wed, 5 May 2004 11:50:02 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 30448-23; Wed, 5 May 2004 11:50:02 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id AAF7A72D15E; Wed, 5 May 2004 11:50:01 -0500 (EST) Received: with ECARTIS (v1.0.0; list oracle-l); Wed, 05 May 2004 11:48:36 -0500 (EST) X-Original-To: oracle-l@freelists.org Delivered-To: oracle-l@freelists.org Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id CCFCB72DB93 for ; Wed, 5 May 2004 11:48:32 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 29462-80 for ; Wed, 5 May 2004 11:48:32 -0500 (EST) Received: from agminet04.oracle.com (agminet04.oracle.com [141.146.126.231]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 8B45C72DB8A for ; Wed, 5 May 2004 11:48:31 -0500 (EST) Received: from agminet04.oracle.com (localhost [127.0.0.1]) by agminet04.oracle.com (Switch-3.1.4/Switch-3.1.0) with ESMTP id i45H2K9m012033 for ; Wed, 5 May 2004 10:02:20 -0700 Received: from rgmgw3.us.oracle.com (rgmgw3.us.oracle.com [138.1.191.12]) by agminet04.oracle.com (Switch-3.1.4/Switch-3.1.0) with ESMTP id i45Gxwgx009344 for ; Wed, 5 May 2004 10:00:25 -0700 Received: from localhost (localhost [127.0.0.1]) by rgmgw3.us.oracle.com (Switch-3.1.4/Switch-3.1.0) with SMTP id i45Gxvqv025993 for ; Wed, 5 May 2004 10:59:57 -0600 Received: from au.oracle.com (dhcp-amer-vpn-gw2-east-141-144-66-164.vpn.oracle.com [141.144.66.164]) by rgmgw3.us.oracle.com (Switch-3.1.4/Switch-3.1.0) with ESMTP id i45GxlkD025512; Wed, 5 May 2004 10:59:49 -0600 Message-Id: <200405051659.i45GxlkD025512@rgmgw3.us.oracle.com> From: Pete Sharman To: oracle-l@freelists.org Cc: Peter Ross Sharman Subject: RE: Wrong results using decode when db upgraded to 9205 Date: Thu, 6 May 2004 02:59:47 +1000 X-Sent-Folder-Path: Sent Items X-Mailer: Oracle Connector for Outlook 9.0.4 60130 (10.0.4712) MIME-Version: 1.0 Content-type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit X-Virus-Scanned: by amavisd-new at freelists.org X-archive-position: 4471 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: peter.sharman@oracle.com Precedence: normal Reply-To: oracle-l@freelists.org X-list: oracle-l X-Virus-Scanned: by amavisd-new at freelists.org The rule hint will still work but is unsupported. = Pete = "Controlling developers is like herding cats." Kevin Loney, Oracle DBA Handbook = "Oh no, it's not. It's much harder than that!" Bruce Pihlamae, long-term Oracle DBA -----Original Message----- From: oracle-l-bounce@freelists.org [mailto:oracle-l-bounce@freelists.org] = On Behalf Of Duret, Kathy Sent: Thursday, 6 May 2004 2:45 AM To: 'oracle-l@freelists.org' Subject: RE: Wrong results using decode when db upgraded to 9205 A question about using the Rule hint for new code? Forgive me, but isn't the rule going away in 10G and I would assume the rul= e hint would no longer work or rather be ignored in 10G so why put rule into new code to have to rewrite it when you migrate to 10G. Haven't tested it in 10G so I don't know for sure. Has anyone? Kathy -----Original Message----- From: Jamadagni, Rajendra [mailto:Rajendra.Jamadagni@espn.com] Sent: Wednesday, May 05, 2004 11:26 AM To: oracle-l@freelists.org Subject: RE: Wrong results using decode when db upgraded to 9205 I just found that the query in question works ... In following conditions ... 1. using case structure instead of DECODE 2. by running the report with cursor_sharing=3D3Dexact or providing cursor_sharing_exact hint at statement level 3. Running the select with rule hint. BTW it is not datatype conversion issue, the actual decode statement is as follows ... "and decode('C8','C8','237','0') =3D3D '237'" =3D20 It is becoming obvious to me that this is an optimizer issue. I'll be digging further ... =3D20 Raj ------------------------------------------------------------------------ --------=3D20 Rajendra dot Jamadagni at nospamespn dot com=3D20 All Views expressed in this email are strictly personal.=3D20 select standard_disclaimer from company_requirements;=3D20 QOTD: Any clod can have facts, having an opinion is an art ! -----Original Message----- From: oracle-l-bounce@freelists.org [mailto:oracle-l-bounce@freelists.org] On Behalf Of Stefan Jahnke Sent: Wednesday, May 05, 2004 11:56 AM To: oracle-l@freelists.org Subject: AW: Wrong results using decode when db upgraded to 9205 Hi again Sorry, haven't looked into it. Since we already changed everything to =3D =3D3D CASE on 9.2.0.4.0. The reason wasn't a bug but to be coherent with the =3D =3D3D usage of DECODE / CASE. We agreed upon ANSI style stuff (INNER JOIN, =3D3D CASE blahblah) since 2 developers have a SQL Server background and seem =3D3D to comprehend that faster (no pun intended, they're great). 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