On Sat, 5 Mar 2016 21:22:23 +0100 Stephan Beal <sgbeal at googlemail.com> wrote:
> i'm not aware of any aggregates which (in normal use) take no > arguments Nondeterministic functions need not take any arguments. Built-in examples include NOW(). Your UDF could implement the Dilbert RNG: http://dilbert.com/strip/2001-10-25 --jkl