louna.datasets.udf
call-udf
(call-udf name & col-names)defudaf
macro
(defudaf fname udaf-object)defudf
macro
(defudf arg1 arg2 arg3 arg4)get-udf-class
(get-udf-class f nargs)register-udaf
(register-udaf udaf-object)register-udf
(register-udf f nargs rtype)