On Mon, 11 Apr 2022 at 09:44, Thomas Munro <thomas.munro@gmail.com> wrote:
> David Rowley privately reported a performance regression when sorting
> single ints with a lot of duplicates, in a case that previously hit
> qsort_ssup() but now hits qsort_tuple_int32() and then has to call the
> tiebreaker comparator. Note that this comes up only for sorts in a
> query, not for eg index builds which always have to tiebreak on item
> ptr. I don't have data right now but that'd likely be due to:
I've now added this as an open item for v15.
David
