From: Andrew Sullivan <ajs@crankycanuck.ca>
To: pgsql-sql@postgresql.org
Subject: Re: index not being used. Why?
Date: Fri, 9 Mar 2007 11:02:11 -0500
Message-ID: <20070309160211.GA24502@phlogiston.dyndns.org> (raw)
In-Reply-To: <45F176CA.3050107@fmed.uba.ar>
References: <45F176CA.3050107@fmed.uba.ar>
On Fri, Mar 09, 2007 at 12:01:30PM -0300, Gerardo Herzig wrote:
> Hi all. I have this 2 relations
How big are they?
> -> Hash (cost=9.08..9.08 rows=408 width=55)
> -> Seq Scan on pages (cost=0.00..9.08 rows=408 width=55)
The planner thinks it will get 408 rows. How big a percentage of the
table is that?
Also, what does EXPLAIN ANALYSE say about this?
A
--
Andrew Sullivan | ajs@crankycanuck.ca
If they don't do anything, we don't need their acronym.
--Josh Hamilton, on the US FEMA
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To: pgsql-sql@postgresql.org
Cc: ajs@crankycanuck.ca
Subject: Re: index not being used. Why?
In-Reply-To: <20070309160211.GA24502@phlogiston.dyndns.org>
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