On 2016-11-28 09:55:00 -0500, Robert Haas wrote: > I think we should go with this approach. I don't think it's a good > idea to have the heapam layer know about executor slots.
I agree that that's not pretty. > Even though > it's a little sad to pass up an opportunity for a larger performance > improvement, this improvement is still quite good. It's imo not primarily about a larger performance improvement, but about avoid possible regressions. Doubling deforming of wide tuples will have noticeable impact on some workloads. I don't think we can disregard that. Andres -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers