anchor.diff:                          bit_of_ring = BitOfRing,
                           num_of_dc_replicas   = Level1,
                           num_of_rack_replicas = Level2}) ->
  -
  -    ClusterId_1 = case is_atom(ClusterId) of
  -                      true  -> ClusterId;
  -                      false -> list_to_atom(ClusterId)
  -                  end,
  -    DCId_1 = case is_atom(DCId) of
  -                 true  -> DCId;
  -                 false -> list_to_atom(DCId)
  -             end,
  -    #?CLUSTER_INFO{cluster_id = ClusterId_1,
  -                   dc_id = DCId_1,
  +    #?CLUSTER_INFO{cluster_id = ClusterId,
  +                   dc_id = DCId,
                      n = N,
                      r = R,
                      w = W,
  
positive.code:                      ?TBL_CLUSTER_INFO,  fun transform/1,
                       record_info(fields, ?CLUSTER_INFO),
                       ?CLUSTER_INFO),
      ok.
  
  
  
negative.code:                    num_of_rack_replicas = Level2,
                     max_mdc_targets = ?DEF_MAX_MDC_TARGETS
                    }.
  
  %% @private
  transform_2() ->
      case all() of
          {ok, RetL} ->
              transform_3(RetL);
          _ ->
              ok
      end.
  
  %% @private
  transform_3([]) ->
      ok;
  transform_3([#?CLUSTER_INFO{cluster_id = ClusterId}|Rest]) when is_atom(ClusterId) ->
      transform_3(Rest);
  transform_3([#?CLUSTER_INFO{cluster_id = ClusterId, 
                              dc_id = DCId} = ClusterInfo|Rest]) ->
      ClusterId_1 = case is_atom(ClusterId) of
                        true  -> ClusterId;
                        false -> list_to_atom(ClusterId)
                    end,
      DCId_1 = case is_atom(DCId) of
                   true  -> DCId;
                   false -> list_to_atom(DCId)
               end,
      NewClusterInfo = ClusterInfo#?CLUSTER_INFO{cluster_id = ClusterId_1,
                                                 dc_id      = DCId_1},
      case update(NewClusterInfo) of
          ok ->
              void;
          {error, Cause} ->
              error_logger:error_msg("~p,~p,~p,~p~n",
                                     [{module, ?MODULE_STRING},
                                      {function, "transform_3/1"},
                                      {line, ?LINE},
                                      {body, Cause}])
      end,
      case delete(ClusterId) of
          ok ->
              void;
          {error, Cause2} ->
              error_logger:warning_msg("~p,~p,~p,~p~n",
                                       [{module, ?MODULE_STRING},
                                        {function, "transform_3/1"},
                                        {line, ?LINE},
                                        {body, Cause2}])
      end,
      transform_3(Rest).
  
  