David Fetter <da...@fetter.org> writes: > On Wed, Aug 18, 2010 at 10:39:33AM -0400, Tom Lane wrote: >> There would be plenty of scope to re-use the machinery without any >> SQL-level extensions. All you need is a polymorphic aggregate >> transition function that maintains a tuplestore or whatever. >> I don't see that extra syntax in CREATE AGGREGATE is really buying >> much of anything.
> Thanks for clarifying. Might this help out with things like GROUPING > SETS or wCTEs? Don't see how --- this is just about what you can do within an aggregate. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers