On Mon, Oct 16, 2017 at 4:29 PM, Amit Kapila <amit.kapil...@gmail.com> wrote: > On Sat, Oct 14, 2017 at 1:51 AM, Robert Haas <robertmh...@gmail.com> wrote: > >> I think the bug is in ExecGather(Merge): it assumes that if we're in >> parallel mode, it's OK to start workers. But actually, it shouldn't >> do this unless ExecutePlan ended up with use_parallel_mode == true, >> which isn't quite the same thing. I think we might need ExecutePlan >> to set a flag in the estate that ExecGather(Merge) can check. >> > > Attached patch fixes the problem in a suggested way. > >
All the patches still apply and pass the regression test. I have added this to CF to avoid losing the track of this patch. -- With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers