From: gvim <gvimrc@gmail.com>
To: pgsql sql <pgsql-sql@postgresql.org>
Subject: Find NOT NULLs in a group of 20 columns
Date: Tue, 11 Jan 2011 02:14:12 +0000
Message-ID: <4D2BBCF4.8070905@gmail.com> (raw)
I'm struggling to find anything other than a complex stored proc to do this:
Out of a group of 20 columns return the rows in which:
1. Only 1 of the 20 columns IS NOT NULL
2. More than 1 of the 20 columns IS NOT NULL
Any ideas?
gvim
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To: pgsql-sql@postgresql.org
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Subject: Re: Find NOT NULLs in a group of 20 columns
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