From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Teran <david.teran@cluster9.com>
Cc: PgSQL Performance ML <pgsql-performance@postgresql.org>
Subject: Re: AND OR combination: index not being used
Date: Thu, 12 May 2005 10:15:26 -0400
Message-ID: <254.1115907326@sss.pgh.pa.us> (raw)
In-Reply-To: <2aeb891e99fa6313e9e3a20d48c099aa@cluster9.com>
References: <2aeb891e99fa6313e9e3a20d48c099aa@cluster9.com>
David Teran <david.teran@cluster9.com> writes:
> Any hint how
> to force postgres to use the index even with more OR parts?
More up-to-date statistics would evidently help; the thing is estimating
hundreds of rows returned and actually finding none.
regards, tom lane
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To: pgsql-performance@postgresql.org
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Subject: Re: AND OR combination: index not being used
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