Re: Functional dependencies and GROUP BY

Dean Rasheed <dean.a.rasheed@gmail.com> writes:
> On 7 August 2010 03:51, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I was testing out this feature this morning and discovered that the
> results may be non-deterministic if the PK is deferrable.

Good point.

> The original version of the patch had that check in it, but it
> vanished from the final committed version. Was that just an oversight,
> or an intentional change?

I don't recall having thought about it one way or the other.  What did
the check look like?

			regards, tom lane