On 2018-11-26 19:14:24 -0500, Joe Conway wrote: > On 11/26/18 7:08 PM, Andres Freund wrote: > > On 2018-11-26 19:04:46 -0500, Joe Conway wrote: > >> Not intentional. Though, sitting here chatting with Stephen about it, I > >> am now wondering if pg_config() should actually be marked immutable: > >> > >> select * from pg_config() where name = 'VERSION'; > >> name | setting > >> ---------+----------------- > >> VERSION | PostgreSQL 10.5 > >> (1 row) > >> > >> [...upgrade the postgres binaries...] > >> > >> select * from pg_config() where name = 'VERSION'; > >> name | setting > >> ---------+----------------- > >> VERSION | PostgreSQL 10.6 > >> (1 row) > >> > >> So the correct answer is probably to mark pg_config() stable, but it > >> still seems to be parallel safe to me. > > > > I don't think we should consider immutability to mean anything across > > major versions. What'd be helped by doing that? We'd have to rule out > > any behaviour change to any immutable function for that to make > > sense. Including making an immutable function not immutable anymore. > > Umm, this is a minor version not major.
Oops. Greetings, Andres Freund
