Re: Why index used/not used

From: Anton Maksimenkov <engineer(at)hlebprom(dot)ru>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Why index used/not used
Date: 2004-07-21 07:22:59
Message-ID: 40FE19D3.9020104@hlebprom.ru
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Mike G wrote:

> Try reading through the pgsql-performance mailing list. Generally the database needs to be vacuumed and analyzed to update the stats usually for the planner to make the correct choices.

Of course, I do VACUUM FULL ANALYZE some times, VACUUM ANALYZE
periodicaly.
But I don't change "traf_raw" some hours, and imagine that ANALYZE may
be enough for this examle.

>>cnupm=> ANALYZE traf_raw;
>>ANALYZE
--
engineer

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