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From: Josh Berkus <josh@agliodbs.com>
To: pgsql-performance@nullmx.com
Cc: pgsql-performance@postgresql.org
Subject: Re: Rewriting DISTINCT and losing performance
Date: Mon, 21 May 2007 05:14:14 -0400
Message-ID: <465162E6.4030205@agliodbs.com> (raw)
In-Reply-To: <200705202228.32129.pgsql-performance@nullmx.com>
References: <200705202228.32129.pgsql-performance@nullmx.com>

Chuck,

> explain analyze
> SELECT   country_id, country_name
> FROM     geo.country
> WHERE country_id IN
>  (select country_id FROM geo.city)
> ;
> 
> -- won't complete in a reasonable amount of time.

Can we see the plan?

--Josh

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