Function pgx_pg_sys::create_upper_unique_path

pub unsafe fn create_upper_unique_path(
    arg_root: *mut PlannerInfo, 
    arg_rel: *mut RelOptInfo, 
    arg_subpath: *mut Path, 
    arg_numCols: c_int, 
    arg_numGroups: f64
) -> *mut UpperUniquePath