Function pgx_pg_sys::create_merge_append_path

pub unsafe fn create_merge_append_path(
    arg_root: *mut PlannerInfo, 
    arg_rel: *mut RelOptInfo, 
    arg_subpaths: *mut List, 
    arg_pathkeys: *mut List, 
    arg_required_outer: Relids, 
    arg_partitioned_rels: *mut List
) -> *mut MergeAppendPath