Re: Performance degradation in commit ac1d794

Robert Haas <robertmhaas@gmail.com> writes:
> I think we should either get this fixed RSN or revert the problematic
> commit until we get it fixed.  I'd be rather disappointed about the
> latter because I think this was a very good thing on the merits, but
> probably not good enough to justify taking the performance hit over
> the long term.

Since it's only in HEAD, I'm not seeing the urgency of reverting it.
However, it'd be a good idea to put this on the 9.6 open items list
(have we got such a page yet?) to make sure it gets addressed before
beta.
        regards, tom lane