"Christopher Kings-Lynne" <chriskl(at)familyhealth(dot)com(dot)au> 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