On Wed, Jan 20, 2016 at 7:38 AM, David Rowley <david.row...@2ndquadrant.com> wrote: >> To my mind, priority #1 ought to be putting this fine new >> functionality to some use. Expanding it to every aggregate we've got >> seems like a distinctly second priority. That's not to say that it's >> absolutely gotta go down that way, but those would be my priorities. > > Agreed. So I've attached a version of the patch which does not have any of > the serialise/deserialise stuff in it. > > I've also attached a test patch which modifies the grouping planner to add a > Partial Aggregate node, and a final aggregate node when it's possible. > Running the regression tests with this patch only shows up variances in the > EXPLAIN outputs, which is of course expected.
That seems great as a test, but what's the first patch that can put this to real and permanent use? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers