On Sep 8, 2009, at 10:15 AM, Tom Lane wrote:
>> arg_a IS DISTINCT FROM arg_b
>
> Surely you'd want arg_a and arg_b constrained to the same type,
> otherwise there is no certainty that that means anything at all.
Yes, for the purposes of pgTAP perhaps so. Then it's on the user to do
the cast, because she decides that the cast is appropriate. Otherwise,
as I said, perhaps it'd be too magical.
Best,
David
