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From: Florian Weimer <fweimer@bfk.de>
To: Kyle Bateman <kyle@actarg.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Using bitmap index scans-more efficient
Date: Mon, 14 Aug 2006 08:40:14 +0200
Message-ID: <82mza77rch.fsf@mid.bfk.de> (raw)
In-Reply-To: <44DF6582.4000806@actarg.com>
References: <44DF6582.4000806@actarg.com>

* Kyle Bateman:

> Any ideas about whether/how this can be done?

If the project tree is fairly consistent, it's convenient to encode it
using intervals instead of parent/child intervals.  IIRC, Celko's "SQL
for smarties" explains how to do this, and Kristian Koehntopp has
written some PHP code to implement it.

-- 
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Durlacher Allee 47            tel: +49-721-96201-1
D-76131 Karlsruhe             fax: +49-721-96201-99



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