Tom Lane wrote:
> It's easier if the defaultable parameters are at the end, but I
> rather wonder how your informix system is disambiguating the calls
> either with a signature like that. If you leave off just one of the
> two defaultable parameters, how does it know which?
Several other SQL systems allow naming the parameters in calls, such as
CALL foo(a = 1, b = 2)
That's the only way to stay sane with function having 20 or more
parameters anyway.
--
Peter Eisentraut
http://developer.postgresql.org/~petere/