Re: Cascaded Column Drop

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