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Re: Memory usage on subselect

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Dan Field <dof(at)llgc(dot)org(dot)uk>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: Memory usage on subselect
Date: 2004-05-24 13:37:37
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-sql
Dan Field <dof(at)llgc(dot)org(dot)uk> writes:
> I have a similar problem with just one of my queries (although it isn't 
> a sub select):

You really ought to vacuum and/or analyze occasionally.  The EXPLAIN
results show that the planner hasn't got any non-default statistics
for any of these tables.

			regards, tom lane

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