On Wed, Mar 30, 2016 at 8:02 AM, Alexander Korotkov <aekorot...@gmail.com> wrote: > Hmm... I'm not completely agree with that. In typical usage partial sort > should definitely use quicksort. However, fallback to other sort methods is > very useful. Decision of partial sort usage is made by planner. But > planner makes mistakes. For example, our HashAggregate is purely in-memory. > In the case of planner mistake it causes OOM. I met such situation in > production and not once. This is why I'd like partial sort to have graceful > degradation for such cases.
I think that this should be moved to the next CF, unless a committer wants to pick it up today. -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers