Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> I think this is probably a holdover from before the death of
> SnapshotNow, and that we should just pass NULL to
> systable_beginscan_ordered() here, the same as we do for other catalog
> accesses. Barring objections, I'll go make that change.
Seems reasonable to me, but why are you only looking at that one and
not the identical code in enum_range_internal()?
regards, tom lane