"Christopher Kings-Lynne" <[EMAIL PROTECTED]> writes:
> What happens if someone drops ALL the columns in a table?

Good point.  Ideally we should allow that, but in practice I suspect
there are many places that will blow up on zero-length tuples.
Rejecting the situation might be the better part of valor ... anyway
I'm not excited about spending a lot of time searching for such bugs.

                        regards, tom lane



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