pub unsafe fn create_setop_path(
arg_root: *mut PlannerInfo,
arg_rel: *mut RelOptInfo,
arg_subpath: *mut Path,
arg_cmd: Type,
arg_strategy: Type,
arg_distinctList: *mut List,
arg_flagColIdx: AttrNumber,
arg_firstFlag: c_int,
arg_numGroups: f64,
arg_outputRows: f64,
) -> *mut SetOpPath