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Re: Rewriting DISTINCT and losing performance - Mailing list pgsql-performance

From Josh Berkus
Subject Re: Rewriting DISTINCT and losing performance
Date
Msg-id 465162E6.4030205@agliodbs.com
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In response to Rewriting DISTINCT and losing performance  ("Chuck D." <pgsql-performance@nullmx.com>)
Responses Re: Rewriting DISTINCT and losing performance  ("Chuck D." <pgsql-performance@nullmx.com>)
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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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