David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> It looks like this has likely never come up before because the only
> time we use tuplesort_set_bound() is in nodeSort.c and
> nodeIncrementalSort.c, none of those currently use datum sorts.
> However, I'm thinking this is still a bug that should be fixed
> separately from Ronan's main patch.
Yeah, I think you're right. The comment seems a little confused
though. Maybe there's no need for it at all --- there's equivalent
code in e.g. writetup_datum that has no comment.
regards, tom lane