On 17/12/14 11:02, Atri Sharma wrote:
On Wed, Dec 17, 2014 at 3:23 PM, Simon Riggs <si...@2ndquadrant.com <mailto:si...@2ndquadrant.com>> wrote: KaiGai, David Rowley and myself have all made mention of various ways we could optimize aggregates. Following WIP patch adds an extra function called a "combining function", that is intended to allow the user to specify a semantically correct way of breaking down an aggregate into multiple steps. Also, should we not have a sanity check for the user function provided?
Looking at the code, yes, there seems to be XXX comment about that. -- Petr Jelinek http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
