On Thu, Mar 23, 2017 at 1:53 PM, Alvaro Herrera <alvhe...@2ndquadrant.com> wrote: > Robert Haas wrote: >> I guess the downside of back-patching this is that it could cause a >> plan change for somebody which ends up being worse. On the whole, >> serial execution of queries intended to be run in parallel isn't >> likely to work out well, but it's always possible somebody has a cases >> where it happens to be winning, and this could break it. So maybe I >> should do this only in master? Thoughts? > > I think that the chances of someone depending on a parallel plan running > serially by accident which is better than the non-parallel plan, are > pretty slim. > > +1 for back-patching.
All right, done. -- 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