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Date: Thu, 26 Sep 2002 21:11:28 -0700
From: Joe Conway <mail@joeconway.com>
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To: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Rod Taylor <rbt@rbt.ca>,
	PostgreSQL Patches <pgsql-patches@postgresql.org>
Subject: Re: Cascaded Column Drop
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Bruce Momjian wrote:
> Tom Lane wrote:
>>What I was actually wondering about after reading Tim's report was
>>whether we could support zero-column tables, which would eliminate the
>>need for the special case altogether.  I have not looked to see how
>>extensive are the places that assume tuples have > 0 columns ...
> 
> Zero-width tables do sound interesting.  Is it somehow non-relational?
> 

I can see a zero column table as a transition state maybe, but what else would 
they be useful for?

Joe