On Mon, Jul 3, 2023 at 5:41 PM Peter Eisentraut < peter.eisentr...@enterprisedb.com> wrote:
> On 09.05.23 05:13, Richard Guo wrote: > > Yeah, maybe this is the reason I failed to devise a query that shows any > > performance gain. I tried with a query which makes the 'all_pathkeys' > > in sort_inner_and_outer being length of 500 and still cannot see any > > notable performance improvements gained by list_copy_move_nth_to_head. > > Maybe the cost of other parts of planning swamps the performance gain > > here? Now I agree that maybe 0002 is not worthwhile to do. > > I have committed patch 0001. Since you have withdrawn 0002, this closes > the commit fest item. Thanks for pushing it and closing the item! Thanks Richard
