Joe Conway <mail(at)joeconway(dot)com> writes:
> I have thought before that we were overloading fn_extra a bit too much.
> Is there any merit in having more than one "extra" member in FmgrInfo
> going forward?
Not sure what --- how would you decide which to use, and what stops
there being a conflict on one of them anyway?
The basic rule is that "fn_extra belongs to the called function", and
array_map was definitely breaking that rule. So I don't think this bug
is a symptom of a system-wide issue.
regards, tom lane