Received: from localhost (postgresql.org [64.49.215.8]) by postgresql.org (Postfix) with ESMTP id 8E2874762A1; Tue, 22 Oct 2002 13:06:53 -0400 (EDT) Received: from candle.pha.pa.us (momjian.navpoint.com [207.106.42.251]) by postgresql.org (Postfix) with ESMTP id 4062947628C; Tue, 22 Oct 2002 13:06:51 -0400 (EDT) Received: (from pgman@localhost) by candle.pha.pa.us (8.11.6/8.10.1) id g9MH6EC07697; Tue, 22 Oct 2002 13:06:14 -0400 (EDT) From: Bruce Momjian Message-Id: <200210221706.g9MH6EC07697@candle.pha.pa.us> Subject: Re: looking for documentation about the optimizer In-Reply-To: <18934.1035298148@sss.pgh.pa.us> To: Tom Lane Date: Tue, 22 Oct 2002 13:06:14 -0400 (EDT) Cc: Alice Lottini , pgsql-general@postgresql.org, pgsql-docs@postgresql.org X-Mailer: ELM [version 2.4ME+ PL99 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: by AMaViS new-20020517 X-Archive-Number: 200210/23 X-Sequence-Number: 1517 Tom Lane wrote: > "Alice Lottini" writes: > > Does anybody know where I can find some documentation about the PostgreSQL = > > optimizer? > > Aside from the general info in the Developer's Guide, there are README > files in the source tree that you should look at: > src/backend/optimizer/README > src/backend/optimizer/plan/README > After that, start reading the code ... And some papers on the web site in the Developer's Corner. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073