Peter Geoghegan <p...@bowt.ie> writes: > On Wed, Jan 17, 2018 at 11:23 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: >> I don't feel particularly comfortable committing a patch that >> was clearly labeled as a rushed draft by its author. >> Peter, where do you stand on this work?
> I would like to take another pass over > WIP-tuplesort-memcontext-fix.patch, to be on the safe side. I'm > currently up to my neck in parallel CREATE INDEX work, though, and > would prefer to avoid context switching for a week or two, if > possible. How time sensitive do you think this is? Probably not very. It'd be nice to have it done by the next minor releases, ie before 5-Feb ... but given that these bugs are years old, missing that deadline would not be catastrophic. > I'm not sure whether or not we should also apply this > still-to-be-written 9.5 patch to 9.4 and 9.3, since those versions > don't have grouping sets, and so cannot crash. ISTM that we should > leave them alone, since tuplesort has had this problem forever. +1. If the problem isn't known to be reproducible in those branches, the risk of adding new bugs seems to outweigh any benefit. regards, tom lane