From: Masahiko Sawada <sawada.m...@gmail.com> > I think it's better to have index AM (and perhaps table AM) control it > instead of filtering in XLogInsert(). Because otherwise third-party > access methods that use LSN like gist indexes cannot write WAL records > at all when wal_level = none even if they want.
Hm, third-party extensions use RM_GENERIC_ID, so it should probably be allowed in XLogInsert() as well instead of allowing control in some other way. It's not unnatural that WAL records for in-core AMs are filtered in XLogInsert(). Regards Takayuki Tsunakawa
