2010/10/13 Pavel Stehule <pavel.steh...@gmail.com>: > 2010/10/13 Peter Eisentraut <pete...@gmx.net>: >> On mån, 2010-10-11 at 20:46 +0200, Pavel Stehule wrote: >>> The problem is in interface. The original patch did it, but I removed >>> it. We cannot to unsure immutability of some parameters now. >> >> How about you store the "immutable" parameter in the transition state >> and error out if it changes between calls? >> > > yes, it's possibility. Now I looking there and I see the as more > important problem the conformance with ANSI SQL. see my last post. > There can be a kind of aggregate functions based on tuplesort.
more - all these functions needs to solve same problem with planner and hash agg. So maybe is time to add a flag ISTUPLESORTED to pg_proc and add solve these functions together. Pavel > > Regards > > Pavel > > >> > -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
