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From: Michael Glaesemann <grzm@seespotcode.net>
To: Marc G. Fournier <scrappy@postgresql.org>
Cc: pgsql-sql@postgresql.org
Subject: Re: timestamp query doesn't use an index ...
Date: Sun, 21 May 2006 10:47:39 +0900
Message-ID: <CDFEA380-8C33-4B73-8FFA-FBE4A659ADBF@seespotcode.net> (raw)
In-Reply-To: <20060520223704.T1114@ganymede.hub.org>
References: <20060520223704.T1114@ganymede.hub.org>


On May 21, 2006, at 10:42 , Marc G. Fournier wrote:

>    ->  Seq Scan on page_schedule ps2  (cost=0.00..2364.95  
> rows=33110 width=16) (actual time=0.021..623.363 rows=94798 loops=1)

I don't know about rewriting the query, but it appears your  
statistics are a little out of date (e.g., rows expected/actual  
33110/94798). Does running ANALYZE help?


Michael Glaesemann
grzm seespotcode net






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