On Jul 24, 2009, at 11:10, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Hmmm ... that suggests that we may not be handling IS DISTINCT FROM
> correctly for rowtypes. I haven't read that part of the spec, but
> I would've guessed that the spec wants it to be consistent with
> IS NULL.
Yes, that's precisely what I was trying to get at last night.
Best,
David