On Wed, Apr 14, 2021 at 8:16 PM Robert Haas <robertmh...@gmail.com> wrote: > > On Mon, Apr 12, 2021 at 8:37 AM Tomas Vondra > <tomas.von...@enterprisedb.com> wrote: > > Could be related to incremental sort, which allowed some gather merge > > paths that were impossible before. We had a couple issues related to > > that fixed in November, IIRC. > > Hmm, could be. Although, the stack trace at issue doesn't seem to show > a call to create_incrementalsort_plan().
The changes to gather merge path generation made it possible to use those paths in more cases for both incremental sort and regular sort, so by "incremental sort" I read Tomas as saying "the patches that brought in incremental sort" not specifically "incremental sort itself". James
