Re: filtering after join

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: pgsql-sql(at)postgresql(dot)org
Cc: andrew <andrew(dot)ylzhou(at)gmail(dot)com>
Subject: Re: filtering after join
Date: 2006-01-26 16:59:30
Message-ID: 200601261759.31184.peter_e@gmx.net
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andrew wrote:
> How will the query planner do for a nesting query? Treat the
> subqueries as multiple queries and then link them together?
> where can I find the information (codes or documents)?

Look at the execution plan using the EXPLAIN command.

--
Peter Eisentraut
http://developer.postgresql.org/~petere/

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