Re: Research/Implementation of Nested Loop Join optimization

From: Gregory Stark <stark(at)enterprisedb(dot)com>
To: "Manoel Henrique" <mhenriquesgbd(at)gmail(dot)com>
Cc: <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Research/Implementation of Nested Loop Join optimization
Date: 2008-07-25 22:10:54
Message-ID: 87myk5haxd.fsf@oxford.xeocode.com
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"Manoel Henrique" <mhenriquesgbd(at)gmail(dot)com> writes:

> Yes, I'm relying on the assumption that backwards scan has the same cost as
> forward scan, why shouldn't it?

Because hard drives only spin one direction

--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
Ask me about EnterpriseDB's RemoteDBA services!

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