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. 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
