Stephen Frost <sfrost@snowman.net> writes:
> I saw the various list-based cases and commented in my reply (the one you
> quote part of above) why those didn't seem to make sense for this case
> (it's not a list and I don't see it ever growing into one).
I think Alvaro was simply questioning whether there would ever be a need
for more than two alternatives.
regards, tom lane
