mirror of
https://git.postgresql.org/git/postgresql.git
synced 2026-02-14 02:17:02 +08:00
more completely. The motivation for having it understand IS NULL at all was to allow use of "foo IS NULL" as one of the subsets of a partitioning on "foo", but as reported by Aleksander Kmetec, it wasn't really getting the job done. Backpatch to 8.2 since this is arguably a performance bug.