HI Richard
> > Makes sense. But the query you suggested doesn't not work. > > int4_tbl.f1 and tenk1.unique1 are both nullable, so the NOT IN is not > > converted to an antijoin. In v2 I added a NOT IN test that works. > > (That test won't be in the back-patches for v16 to v18.) > Thank you for pointing out the mistake. the v2 path LGTM Thanks
