Joe Conway <mail(at)joeconway(dot)com> writes:
> I didn't even think people were using those functions for many years
> since I never heard any complaints. I'd say better to not backpatch
> changes to logical ordering, but FWIW the attached at least fixes the
> immediate bug in head and ought to work at least a few branches.
[squint...] This doesn't appear to me to fix the problem. You really
need the query-construction loops to track logical and physical numbers
separately.
regards, tom lane