PostgreSQL-Ruby extention: calling Postgres functions

[Alessandro Cipriani]

Hi all,
I'm quite new to Ruby, and I have a question:
I'm using the Postgres-ruby extention to connect to my Postgres db
(require 'postgres' etc)
Now I need to call existing db functions but I don't know how...
the function I want to call is

CREATE OR REPLACE FUNCTION sdr_new.pprocess_insert(pid_process integer,
pid_client integer, pid_entity integer, pppid integer, ppid_process
integer, pnotes character varying, pstatus integer, plast_update
timestamp without time zone, plogin_usuario character varying, pip
character varying)

as you can see it has a lot of parameter as well

Anyone could help me?

Cheers
Alessandro