Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id 1E44B632585 for ; Sun, 29 Aug 2010 16:13:07 -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 08323-01 for ; Sun, 29 Aug 2010 19:12:58 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail.gmx.net (mailout-de.gmx.net [213.165.64.22]) by mail.postgresql.org (Postfix) with SMTP id AC115632DD5 for ; Sun, 29 Aug 2010 16:12:58 -0300 (ADT) Received: (qmail invoked by alias); 29 Aug 2010 19:12:56 -0000 Received: from a88-115-218-165.elisa-laajakaista.fi (EHLO [10.0.0.101]) [88.115.218.165] by mail.gmx.net (mp010) with SMTP; 29 Aug 2010 21:12:56 +0200 X-Authenticated: #495269 X-Provags-ID: V01U2FsdGVkX19A6Mg4d5RAXLxo5Oi65ozJyHsZe2exG4VnSiTHAT zeoBjUIMLcHk4M Subject: Re: SGML on functions From: Peter Eisentraut To: Thom Brown Cc: pgsql-docs In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Date: Sun, 29 Aug 2010 22:12:55 +0300 Message-ID: <1283109175.18527.2.camel@vanquo.pezone.net> Mime-Version: 1.0 X-Mailer: Evolution 2.30.2 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 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, RCVD_IN_DNSWL_NONE=-0.0001, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201008/132 X-Sequence-Number: 5956 On fre, 2010-08-27 at 19:56 +0100, Thom Brown wrote: > E.g.: > > variance( class="parameter">expression) > > vs > > stddev_samp( class="parameter">expression) > > Which way is correct? "Correct" is a strong word in such matters, but I prefer the latter version.