Received: from localhost (unknown [200.46.204.182]) by postgresql.org (Postfix) with ESMTP id E08309FB269 for ; Wed, 10 Oct 2007 08:06:32 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.182]) (amavisd-maia, port 10024) with ESMTP id 27659-01-2 for ; Wed, 10 Oct 2007 08:06:24 -0300 (ADT) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.5 Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.233]) by postgresql.org (Postfix) with ESMTP id D5B729FA54F for ; Wed, 10 Oct 2007 08:06:27 -0300 (ADT) Received: by nz-out-0506.google.com with SMTP id l8so116038nzf for ; Wed, 10 Oct 2007 04:06:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:mime-version:content-type:x-google-sender-auth; bh=w+J9AFTd28CmFXtIHM2/9Ec8Uz73MgL80LEV27AG1j8=; b=jSxwJVUvPsUK+6RVs2sd0QNXrXeVDp1StmPZmR1SnGbBT71gtBYdXp4Dbq0muAGD3YuDSl0PsgwXEwYXusHVCu09A70TUFUWJ3VME2WrewjZTwLhwxjVq2EmvP45OVuht1mWGXAeHtOHvAdaQ1YUFTbuos6GooEYV6PpuvPGdLY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:mime-version:content-type:x-google-sender-auth; b=hAqB0M+E4OjxgZR99d02++YkX/h476f7Zg/lcvle7yA3fCyyqnta9RoFVd7uL9kwGb5+tjPfr5XEs/QbLtxi5ksoITiLLbSDCsZ57vCpsfAAopd90ozmwUHwf19qmcly3SGntzSwLmP7pdGpqjWjvCF0d+0nKB3WH/oL3yfgYnw= Received: by 10.142.79.15 with SMTP id c15mr38510wfb.1192014384543; Wed, 10 Oct 2007 04:06:24 -0700 (PDT) Received: by 10.142.11.1 with HTTP; Wed, 10 Oct 2007 04:06:24 -0700 (PDT) Message-ID: Date: Wed, 10 Oct 2007 12:06:24 +0100 From: "James Shaw" To: pgsql-docs@postgresql.org Subject: Possible mistake in 'Using EXPLAIN' section MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_4878_32173564.1192014384527" X-Google-Sender-Auth: 9e02880519eea1a0 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200710/29 X-Sequence-Number: 4450 ------=_Part_4878_32173564.1192014384527 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline The example given has "Seq Scan on tenk1 (cost=0.00..458.00" in the example, but then says, "you will find out that tenk1 has 358 disk pages" and "the cost is estimated at 358 page reads". Shouldn't this be 458 disk page reads? I couldn't see this already discussed on this list. Is there a URL that has the latest docs compiled from CVS? Thanks James Shaw ------=_Part_4878_32173564.1192014384527 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline The example given has "Seq Scan on tenk1 (cost=0.00..458.00" in the example, but then says, "you will find out that tenk1 has 358 disk pages" and "the cost is estimated at 358 page reads".  Shouldn't this be 458 disk page reads?

I couldn't see this already discussed on this list.  Is there a URL that has the latest docs compiled from CVS?

Thanks
James Shaw
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