On Sun, 25 Jan 2026 at 23:14, David Rowley <dgrowleyml(at)gmail(dot)com> wrote:
> I came up with the attached for that. I did write the list_uniquify()
> before I realised your fix is ok for master. That function might be
> misplaced just in the backbranches, and it might be better to just
> foreach and if (!list_member()) directly in optimize_window_clauses()
> to get rid of the duplicates. That's probably safer too.
I pushed the deduplication code removal to master and adjusted the
backpatch version to do the foreach -> if (!list_memeber()) as
mentioned above.
David