From: | "Dave Held" <dave(dot)held(at)arrayservicesgrp(dot)com> |
---|---|
To: | "PostgreSQL Perform" <pgsql-performance(at)postgresql(dot)org> |
Subject: | Re: 4 way JOIN using aliases |
Date: | 2005-04-12 13:41:55 |
Message-ID: | 49E94D0CFCD4DB43AFBA928DDD20C8F9026184A9@asg002.asg.local |
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Lists: | pgsql-performance |
> -----Original Message-----
> From: Keith Worthington [mailto:KeithW(at)narrowpathinc(dot)com]
> Sent: Monday, April 11, 2005 7:44 PM
> To: Neil Conway
> Cc: PostgreSQL Perform
> Subject: Re: [PERFORM] 4 way JOIN using aliases
>
> Neil Conway wrote:
> > Keith Worthington wrote:
> >
> >> -> Seq Scan on tbl_current
> (cost=0.00..1775.57 rows=76457
> >> width=31) (actual time=22.870..25.024 rows=605 loops=1)
> >
> >
> > This rowcount is way off -- have you run ANALYZE recently?
> > [...]
>
> I run vacuumdb with the analyze option every morning via a
> cron job. In my ignorance I do not know if that is the same
> thing.
Pass it an --analyze option if you aren't already.
__
David B. Held
Software Engineer/Array Services Group
200 14th Ave. East, Sartell, MN 56377
320.534.3637 320.253.7800 800.752.8129
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