Troels Arvin <troels@arvin.dk> writes:
> Why not just change the behaviour back to what it used to be like? I see
> no justification for the change:
Well, for one thing, it makes the behavior of comparisons compatible
with the SQL standard. If we have unpleasant side-effects we can work
on those, but I don't have a lot of patience for saying "revert it"
without offering a better solution.
regards, tom lane