anchor.diff:               {ok, list()} | not_found | {error, any()}).
   get_storage_nodes_all() ->
       F = fun() ->
  -                Q1 = qlc:q([X || X <- mnesia:table(storage_nodes)]),
  +                Q1 = qlc:q([X || X <- mnesia:table(?TBL_STORAGE_NODES)]),
                   Q2 = qlc:sort(Q1, [{order, ascending}]),
                   qlc:e(Q2)
           end,
  
positive.code:              {ok, list()} | not_found | {error, any()}).
  get_histories_all() ->
      F = fun() ->
                  Q1 = qlc:q([X || X <- mnesia:table(histories)]),
                  Q2 = qlc:sort(Q1, [{order, ascending}]),
                  qlc:e(Q2)
          end,
  
negative.code:              {ok, list()} | not_found | {error, any()}).
  get_rebalance_info_all() ->
      F = fun() ->
                  Q1 = qlc:q([X || X <- mnesia:table(?TBL_REBALANCE_INFO)]),
                  Q2 = qlc:sort(Q1, [{order, ascending}]),
                  qlc:e(Q2)
          end,
  