anchor.diff:                       ?TBL_CLUSTER_INFO,  fun transform/1,
                        record_info(fields, ?CLUSTER_INFO),
                        ?CLUSTER_INFO),
  +    case (?MODULE:size() > 0) of
  +        true ->
  +            transform_1();
  +        false ->
  +            void
  +    end,
       ok.
   
   
  
positive.code: find_by_limit(Rows,_ClusterId, Acc) when Rows == length(Acc) ->
      {ok, Acc};
  find_by_limit(Rows, ClusterId, Acc) ->
      Table =  ?TBL_CLUSTER_INFO,
      case catch mnesia:ets(fun ets:next/2, [Table, ClusterId]) of
          {'EXIT', Cause} ->
              {error, Cause};
  
negative.code: find_by_limit(Rows, Acc) when Rows == length(Acc) ->
      {ok, Acc};
  find_by_limit(Rows, []) ->
      Table = ?TBL_CLUSTER_INFO,
      case catch mnesia:ets(fun ets:first/1, [Table]) of
          {'EXIT', Cause} ->
              {error, Cause};
  