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From: tv@fuzzy.cz
To: Anne Rosset <arosset@collab.net>
Cc: pgsql-performance@postgresql.org
Subject: Re: Slow query postgres 8.3
Date: Sat, 9 Apr 2011 12:35:54 +0200
Message-ID: <50d8f2eb94b393c11221c9d5232d7326.squirrel@sq.gransy.com> (raw)
In-Reply-To: <945629628BB0174D86709AFE6D1CDEF5017A66C1@SP-EXCHMBC.sp.corp.collab.net>
References: <945629628BB0174D86709AFE6D1CDEF5017A66C1@SP-EXCHMBC.sp.corp.collab.net>

> Hi,
>
> I am trying to tune a query that is taking too much time on a large
> dataset (postgres 8.3).
>

Hi, run ANALYZE on the tables used in the query - the stats are very off,
so the db chooses a really bad execution plan.

Tomas




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  Subject: Re: Slow query postgres 8.3
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