On Tue, Jan 30, 2024 at 2:51 PM Alena Rybakina <lena.riback...@yandex.ru> wrote:
> I have reviewed your patch and I think it is better to add an Assert for > JOIN_RIGHT_SEMI to the ExecMergeJoin and ExecNestLoop functions to > prevent the use of RIGHT_SEMI for these types of connections (NestedLoop > and MergeJoin). Hmm, I don't see why this is necessary. The planner should already guarantee that we won't have nestloops/mergejoins with right-semi joins. Thanks Richard
