Andres Freund <andres@anarazel.de> writes:
> I searched the current code, all diffs to the current code, and the
> mailing list, but still haven't got an actual clue what RIR is supposed
> to stand for. There's a few things that come to mind (Rewrite Instead
> Rule?), but none of them seem to make too much sense.
http://www.postgresql.org/message-id/3E887762.5B68F64B@Yahoo.com
regards, tom lane