Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id 621D3632CDB for ; Fri, 23 Jul 2010 06:25:24 -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 95666-07 for ; Fri, 23 Jul 2010 09:25:15 +0000 (UTC) Received: from news.hub.org (news.hub.org [200.46.204.72]) by mail.postgresql.org (Postfix) with ESMTP id 9A89E632AEE for ; Fri, 23 Jul 2010 06:25:16 -0300 (ADT) Received: from news.hub.org (news.hub.org [200.46.204.72]) by news.hub.org (8.14.4/8.14.4) with ESMTP id o6N9PB9h074273 for ; Fri, 23 Jul 2010 06:25:11 -0300 (ADT) (envelope-from news@news.hub.org) Received: (from news@localhost) by news.hub.org (8.14.4/8.14.4/Submit) id o6N9MFll066546 for pgsql-performance@postgresql.org; Fri, 23 Jul 2010 06:22:15 -0300 (ADT) (envelope-from news) From: =?ISO-8859-1?Q?Torsten_Z=FChlsdorff?= X-Newsgroups: pgsql.performance Subject: Re: Using more tha one index per table Date: Fri, 23 Jul 2010 11:22:18 +0200 Organization: A noiseless patient Spider Lines: 40 Message-ID: References: <4C46A23B.2090606@acteos.com> <4C470B69.6080304@2ndquadrant.com> <4C47953D.9090603@postnewspapers.com.au> <4C4798D5.7030700@emolecules.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Fri, 23 Jul 2010 09:22:18 +0000 (UTC) Injection-Info: mx02.eternal-september.org; posting-host="AnkPUomeHXvuN7UdHvIkog"; logging-data="1113"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+KKXHWx2pWo7gsP9k7xbd4" User-Agent: Mozilla/5.0 (X11; U; Linux i686; de; rv:1.8.1.24) Gecko/20100228 Thunderbird/2.0.0.24 Mnenhy/0.7.5.0 In-Reply-To: <4C4798D5.7030700@emolecules.com> Cancel-Lock: sha1:HmfuLNIATqcrAwco3MDhim6uaAk= To: pgsql-performance@postgresql.org X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.79 tagged_above=-10 required=5 tests=BAYES_50=0.8, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201007/335 X-Sequence-Number: 39724 Craig James schrieb: >>> A useful trick to know is that if you replace the version number >>> with "current", you'll get to the latest version most of the time >>> (sometimes the name of the page is changed between versions, too, but >>> this isn't that frequent). >> >> The docs pages could perhaps benefit from an auto-generated note saying: >> >> "The current version of Pg is 8.4. This documentation is for version >> 8.2. Click [here] for documentation on the current version." >> >> ... or something to that effect. It'd be a nice (and more user-friendly) >> alternative to url twiddling when searches reveal docs for an old >> version, and might help push the /current/ pages up in search rank too. > > In addition, why not use symlinks so that the current version is simply > called "current", as in > > http://www.postgresql.org/docs/current/static/sql-insert.html > > If you google for "postgres insert", you get this: > > http://www.postgresql.org/docs/8.1/static/sql-insert.html > > The problem is that Google ranks pages based on inbound links, so older > versions of Postgres *always* come up before the latest version in page > ranking. Since 2009 you can deal with this by defining the canonical-version. (http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html) Greetings from Germany, Torsten -- http://www.dddbl.de - ein Datenbank-Layer, der die Arbeit mit 8 verschiedenen Datenbanksystemen abstrahiert, Queries von Applikationen trennt und automatisch die Query-Ergebnisse auswerten kann.