On Mon, 3 Oct 2022 at 08:10, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> As attached.
For the master version, I think it's safe just to get rid of
PlannerInfo.num_groupby_pathkeys now. I only added that so I could
strip off the ORDER BY / DISTINCT aggregate PathKeys from the group by
pathkeys before passing to the functions that rearranged the GROUP BY
clause.
David