>>>>> "Peter" == Peter Geoghegan <p...@heroku.com> writes:
Peter> You'll probably prefer the attached. This patch works by Peter> disabling abbreviation, but only after writing out runs, with Peter> the final merge left to go. That way, it doesn't matter when Peter> abbreviated keys are not read back from disk (or regenerated). This seems tolerable to me for a quick fix. The merits of storing the abbreviation vs. re-abbreviating on input can be studied later. Peter> I believe this bug was missed because it only occurs when there Peter> are multiple runs, and not in the common case where there is one Peter> big initial run that is found already sorted when we reach Peter> mergeruns(). Ah, yes, there is an optimization for the one-run case which bypasses all further comparisons, hiding the problem. -- Andrew (irc:RhodiumToad) -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
