anchor.diff:    ok.
   
   required_dates(_) ->
  -  {ok, DB0} = pulsedb:open(required_dates_db, <<"test/v2/info">>),
  +  {ok, DB0} = pulsedb:open(required_dates_db, <<"test/v3/required_dates">>),
   
     TicksYesterday = [
       {<<"input">>, 1390224618,  1, [{name, <<"source1">>}]},
  
positive.code:     replicator,
      % forbid_to_read_after_append,
      % forbid_to_append_after_read,
      % merge,
      info,
      required_dates,
      query_mutation
  
negative.code:         {1390292578,  4}], _} = pulsedb:read(<<"input{from=1390224618,to=1390292579}">>, required_dates_db).
  
  
  
  query_mutation(_) ->
    Q1s = <<"sum:10s-avg:ds{from=0,to=1800}">>,
  