From oracle-l-bounce@freelists.org Mon Apr 25 09:39:26 2005 Return-Path: Received: from air891.startdedicated.com (root@localhost) by orafaq.com (8.12.10/8.12.10) with ESMTP id j3PEdQlG021200 for ; Mon, 25 Apr 2005 09:39:26 -0500 X-ClientAddr: 206.53.239.180 Received: from turing.freelists.org (freelists-180.iquest.net [206.53.239.180]) by air891.startdedicated.com (8.12.10/8.12.10) with ESMTP id j3PEdQ4Z021196 for ; Mon, 25 Apr 2005 09:39:26 -0500 Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 65A0A185EFC; Mon, 25 Apr 2005 08:37:01 -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 15752-06; Mon, 25 Apr 2005 08:37:01 -0500 (EST) Received: from turing (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id E49ED185EE7; Mon, 25 Apr 2005 08:37:00 -0500 (EST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:references; b=sbJ2DaVRfqbVRMHcqhY/7E8mEnQ0iWZe5oLPglQqu0nosKfExoV2LqZOu82oNgc7ka4Np1Z5E6m25dP9PIwcxXdsdCif44rwac7Gg1FqAftIqRdtpghPfbxeu9W6psbvqQTJGaU4LicZaYDg/nW3LVc+agVGdkJlnX14oEmzSdQ= Message-ID: Date: Mon, 25 Apr 2005 09:35:10 -0400 From: Robyn To: "Post, Ethan" Subject: Re: rm RULE based optimizer != GOOD IDEA Cc: gints.plivna@gmail.com, oracle-l@freelists.org In-Reply-To: Mime-Version: 1.0 Content-type: text/plain References: Content-Transfer-Encoding: 8bit X-archive-position: 18934 X-ecartis-version: Ecartis v1.0.0 Sender: oracle-l-bounce@freelists.org Errors-To: oracle-l-bounce@freelists.org X-original-sender: robyn.sands@gmail.com Precedence: normal Reply-To: robyn.sands@gmail.com X-list: oracle-l X-Virus-Scanned: by amavisd-new-20030616-p9 (Debian) at avenirtech.net X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on air891.startdedicated.com X-Spam-Status: No, hits=0.1 required=5.0 tests=AWL,CASHCASHCASH autolearn=ham version=2.63 Ethan, Seems like you're getting a little overly defensive - I'm sorry if you didn't like my comment; it's just an opinion based on personal experience. And yes, I'd prefer to see a hash join hint or an index hint or something that show that the developer knows the plan they are trying to achieve. In my current environment, and I am only speaking for my current environment, the developers resort to rule too quickly. Robyn On 4/25/05, Post, Ethan wrote: > > or..."one of our developers used HASH JOIN hints all throughout their > SQL, now we had to go back and remove them and this took time and $$$, > can't wait until HASH JOIN hint is removed." > > you see the problem in this case and the case below has to do with the > review process, not the mere existence of the hint > > > -- http://www.freelists.org/webpage/oracle-l