On Mon, Mar 27, 2017 at 1:29 AM, Rushabh Lathia <rushabh.lat...@gmail.com> wrote: > >> But it seems a bit futile to produce the parallel plan in the first place, >> because with max_parallel_workers=0 we can't possibly get any parallel >> workers ever. I wonder why compute_parallel_worker() only looks at >> max_parallel_workers_per_gather, i.e. why shouldn't it do: >> >> parallel_workers = Min(parallel_workers, max_parallel_workers); >> >> Perhaps this was discussed and is actually intentional, though. >> > > Yes, I am not quite sure about this.
It was intentional. See the last paragraph of https://www.postgresql.org/message-id/ca%2btgmoamsn6a1780vutfsarcu0lcr%3dco2yi4vluo-jqbn4y...@mail.gmail.com -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
