Re: Trying to eliminate union and sort

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Trying to eliminate union and sort
Date: 2013-07-12 22:43:45
Message-ID: 51E086A1.2080504@agliodbs.com
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> As for the counts on the tables:
> table1 3,653,472
> table2 2,191,314
> table3 25,676,589
>
> I think it's safe to assume right now that any resulting joins are not
> one-to-one

Hmmm? How is doing a subselect in the SELECT clause even working, then?

--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com

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