Tomas Vondra <tomas.vondra@2ndquadrant.com> writes:
> The main remaining question I have is what do do with back-branches.
> Shall we back-patch this or not?
Given the behavioral changes involved, I'd say "no way". That's
reinforced by the lack of field complaints; if there were lots of
complaints, maybe we'd be willing to break backwards compatibility,
but ...
regards, tom lane