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Date: Thu, 28 Mar 2013 05:07:01 -0700 (PDT)
From: "suhas.basavaraj12" <suhas.b@verse.in>
To: pgsql-admin@postgresql.org
Message-ID: <1364472421615-5749963.post@n5.nabble.com>
Subject: VACUUM ANALYZE AND ANALYZE  ISSUE
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Hi,

I was running vacuum analyze on one of heavily bloated table.
After the vacuum analyze completed . I did explain on  a query .
It was going for hash join and sequential scan.

Then i issues ANALYZE BLOATED_TABLE;


Then when ran explain query , surprisingly it was going for index scan .

This was observed in postgres 9.0.1.
Ideally VACUUM ANALYSE must have done VACCUM + ANALYZE. But ANALYZE part was
pending. Which was completed  when i ran analyze  on that table .

Can any one explain this?  Did i miss anything.

Rgrds
Suhas



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