Robert Haas <robertmh...@gmail.com> writes: > Oh, one other thing about this: I'm not going to try to defend > whatever confusion between subplans and subqueries appears in that > comment, but prior to upper planner pathification I think we were dead > in the water here anyway, because the subquery was going to output a > finished plan, not a list of paths. Since finished plans aren't > labeled as to parallel-safety, we'd have to conservatively assume that > the finished plan we got back might not be parallel-safe. Now that > we're using the path representation throughout, we can do better.
Well, if that were still the state of affairs, we could certainly consider adding a parallel_safe flag to Plans as well as Paths. But as you say, it's moot now. regards, tom lane -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers