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Re: [INTERFACES] Re: Index unused with OR?

From: Herouth Maoz <herouth(at)oumail(dot)openu(dot)ac(dot)il>
To: "Olaf Mittelstaedt" <mstaedt(at)va-sigi(dot)va(dot)fh-ulm(dot)de>, pgsql-interfaces(at)postgreSQL(dot)org
Subject: Re: [INTERFACES] Re: Index unused with OR?
Date: 1998-05-17 11:04:17
Message-ID: l03110703b18474572af0@[] (view raw, whole thread or download thread mbox)
Lists: pgsql-interfaces
At 17:59 +0300 on 14/5/98, Olaf Mittelstaedt wrote:

> w=> vacuum;
> w=> explain select * from p where m = 29000;
> Index Scan on p  (cost=0.00 size=0 width=10)

Unrelated to the question in hand - you complained about VACUUM not
properly updating the stats. It seems to me you should use VACUUM ANALYZE
for that to happen. Just vacuuming means elimination of old rows no longer


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