anchor.diff:          false ->
               {LBr, IL, IR, RBr} = intervals:get_bounds(I),
               End = Add + ?IIF(RBr =:= ')', 1, 0),
  -            %io:format("UNIFORM - Add=~p - I=~p~n", [Add, I]),
               ToAdd = util:for_to_ex(?IIF(LBr =:= '(', 1, 0), 
                                      Add + ?IIF(LBr =:= '(', 0, -1),
                                      fun(Index) -> 
  
positive.code: fill_random(DBSize, Params) ->    
      Distr = proplists:get_value(distribution, Params, uniform),
      I = hd(intervals:split(intervals:all(), ?ReplicationFactor)),
      ct:pal("I=~p", [I]),
      Keys = get_db(I, DBSize, Distr),
      {DB, DBStatus} = gen_kvv(Keys, Params),
      insert_db(DB),
  
negative.code:                             {NKVV, RestKVV} = lists:partition(fun(Entry) ->
                                                                        intervals:in(db_entry:get_key(Entry), NRange)
                                                                end, ActKVV),
                              comm:send(Node, {add_data, comm:this(), NKVV}),
                              receive {add_data_reply} -> ok end,
                              RestKVV
  