Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id A99E11337B7B for ; Thu, 14 Oct 2010 19:07:52 -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 07735-07 for ; Thu, 14 Oct 2010 22:07:45 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id 39C561337B81 for ; Thu, 14 Oct 2010 19:07:45 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id o9EM7hW0005719; Thu, 14 Oct 2010 18:07:43 -0400 (EDT) To: Robert Haas cc: Peter Eisentraut , Josh Kupershmidt , pgsql-docs@postgresql.org Subject: Re: Documenting removal of nonnullvalue() and friends In-reply-to: References: <1287064806.9532.5.camel@vanquo.pezone.net> Comments: In-reply-to Robert Haas message dated "Thu, 14 Oct 2010 15:09:45 -0400" Date: Thu, 14 Oct 2010 18:07:43 -0400 Message-ID: <5718.1287094063@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-5 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201010/33 X-Sequence-Number: 6174 Robert Haas writes: > I find the idea of things being intentionally undocumented quite > difficult. How is someone coming along supposed to know which things > are intentionally undocumented and which things are unintentionally > undocumented? They should assume the lack of documentation is intentional. Six or seven years ago your argument might have held some water, but we've been quite rigorous about requiring externally-visible features to be documented from the get-go. regards, tom lane