Robert Haas <robertmhaas@gmail.com> writes:
> On Thu, Apr 2, 2009 at 2:18 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> If there's a camp that actually *wants* a NULL result for this case,
>> I missed the reasoning.
> So that we don't break existing apps because of an issue that is
> trivial to work around.
We would only be breaking them if a NULL result were actually the
correct behavior for the application's requirements, which seems
a bit unlikely.
regards, tom lane