On Fri, Feb 5, 2016 at 10:17 AM, Filip Rembiałkowski <filip.rembialkow...@gmail.com> wrote: > - new GUC in "Statement Behaviour" section, notify_duplicate_removal > (default true) > > Initial discussion in this thread: > http://www.postgresql.org/message-id/CAP_rwwmpzk9=sbjrztod05bdctyc43wnknu_m37dygvl4sa...@mail.gmail.com > > Rationale: for some legitimate use cases, duplicate removal is not required, > and it gets O(N^2) cost on large COPY/ insert transactions.
I agree with what Merlin said about this: http://www.postgresql.org/message-id/CAHyXU0yoHe8Qc=yc10ahu1nfia1tbhsg+35ds-oeueuapo7...@mail.gmail.com -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers