Received: from localhost (postgresql.org [64.49.215.8]) by postgresql.org (Postfix) with ESMTP id 2054547616D; Tue, 22 Oct 2002 10:49:05 -0400 (EDT) Received: from sss.pgh.pa.us (unknown [192.204.191.242]) by postgresql.org (Postfix) with ESMTP id 5B6CA47614E; Tue, 22 Oct 2002 10:49:04 -0400 (EDT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.12.5/8.12.5) with ESMTP id g9MEn8hR018935; Tue, 22 Oct 2002 10:49:08 -0400 (EDT) To: "Alice Lottini" Cc: pgsql-general@postgresql.org, pgsql-docs@postgresql.org Subject: Re: looking for documentation about the optimizer In-reply-to: <002701c279d5$8bc03660$3905c082@Tullimonstrum> References: <002701c279d5$8bc03660$3905c082@Tullimonstrum> Comments: In-reply-to "Alice Lottini" message dated "Tue, 22 Oct 2002 16:15:57 +0200" Date: Tue, 22 Oct 2002 10:49:08 -0400 Message-ID: <18934.1035298148@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by AMaViS new-20020517 X-Archive-Number: 200210/22 X-Sequence-Number: 1516 "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 ... regards, tom lane