On Thu, Jan 13, 2022 at 10:36 AM Peter Geoghegan <p...@bowt.ie> wrote: > I wonder if the logic for setting BTScanInsertData.anynullkeys inside > _bt_mkscankey() is the place to put your test for > rel->rd_index->indnullsnotdistinct -- not inside _bt_doinsert(). That > would probably necessitate renaming anynullkeys, but that's okay. This > feels more natural to me because a NULL key column in a NULLS NOT > DISTINCT unique constraint is very similar to a NULL non-key column in > an INCLUDE index, as far as our requirements go -- and so both cases > should probably be dealt with at the same point.
Correction: I meant to write "...a NULL key column in a NULLS DISTINCT unique constraint is very similar...". -- Peter Geoghegan