pub unsafe fn create_append_path( arg_root: *mut PlannerInfo, arg_rel: *mut RelOptInfo, arg_subpaths: *mut List, arg_partial_subpaths: *mut List, arg_pathkeys: *mut List, arg_required_outer: Relids, arg_parallel_workers: c_int, arg_parallel_aware: bool, arg_rows: f64) -> *mut AppendPath