# File lib/dbi.rb, line 144
        def connect(driver_url, user=nil, auth=nil, params=nil, &p)
            dr, db_args = _get_full_driver(driver_url)
            dh = dr[0] # driver-handle
            dh.convert_types = @@convert_types
            @@last_connection = dh.connect(db_args, user, auth, params, &p)
        end