logging query result size?

From: Ben Chobot <bench(at)silentmedia(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: logging query result size?
Date: 2012-05-03 03:45:40
Message-ID: A9AB754A-7704-459D-8EE1-58A99550D0E6@silentmedia.com
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I'm not seeing anything in the docs, but is there a way in 9.1 to log the size of the query result in the same way that we can log the duration of the query?

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