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. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers