Pavel Stehule <pavel.stehule@gmail.com> writes:
> I am checking PLpgSQL ToDo topics, and I am not sure if this topic
> isn't done. And if not, then I would to get some detail.
I think that thread petered out because we didn't have consensus on
what the behavior ought to be. It goes back to whether there is
supposed to be a difference between NULL and ROW(NULL,NULL,NULL,...)
regards, tom lane