Message-ID: <3aaf1a031001032004j1d785a2r439812452baad3f@mail.gmail.com>
Date: 2010-01-04T04:04:09Z
From: milton ruser
Subject: function in aggregate applied to specific columns only
In-Reply-To: <5E722D67-76E1-49A7-AE5B-590090A37CD2@acad.umass.edu>
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