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From: Josh Berkus <josh@agliodbs.com>
Organization: Aglio Database Solutions
To: Achilleus Mantzios <achill@matrix.gatewaynet.com>,
 pgsql-sql@postgresql.org
Subject: Re: [SQL] 7.3 analyze & vacuum analyze problem
Date: Wed, 30 Apr 2003 09:03:38 -0700
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Achilleus,

> i think i have an issue regarding the statistics that
> a) (plain) ANALYZE status and
> b) VACUUM ANALYZE status
> produce.

It's perfectly normal for a query to run faster after a VACUUM ANALYZE than=
=20
after an ANALYZE ... after all, you just vacuumed it, didn't you?

If you're demonstrating some other kind of behavioural difference, then ple=
ase=20
post the results of EXPLAIN ANALYZE for the two examples.

Oh, and we should probably shift this discussion to the PGSQL-PERFORMANCE=
=20
list.

--=20
Josh Berkus
Aglio Database Solutions
San Francisco