> On 18 November 2014 05:19, Simon Riggs <si...@2ndquadrant.com> wrote: > > > On 14 November 2014 11:02, Kouhei Kaigai <kai...@ak.jp.nec.com> > wrote: > > > I'd like to throw community folks a question. > > Did someone have a discussion to the challenge of aggregate > push-down across > > relations join in the past? It potentially reduces number of rows > to be joined. > > If we already had, I'd like to check up the discussion at that > time. > > Yes, I was looking at aggregate pushdown. I think it needs the same > changes to aggregates discussed upthread. > > > > > I have something that I've been working on locally. It's far from ready, > but it does work in very simple cases, and shows a nice performance boost. > I'll start another thread soon and copy you both in. Perhaps we can share > some ideas. > Great, it's exactly valuable functionality to be in the core.
-- NEC OSS Promotion Center / PG-Strom Project KaiGai Kohei <kai...@ak.jp.nec.com> -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
