Re: 8.2.4 serious slowdown

From: Sim Zacks <sim(at)compulab(dot)co(dot)il>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: 8.2.4 serious slowdown
Date: 2008-01-11 07:42:47
Message-ID: fm76pm$11rv$2@news.hub.org
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Thanks for the tuning tips. I'll definitely be taking advantage of them.
Problem solved, Tom Lane found that using coalesce in my query the way I
did caused it to make a bad estimation, when I changed it the query
went from 60 seconds to 1 second.

Sim

> See <http://www.westnet.com/~gsmith/content/postgresql/pg-5minute.htm>
> for a quick, up-to-date, intro to postgres tuning.
>
>
> Kind regards,
> Isak
>
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