anchor.diff:                      {ok, State};
                   Results ->
                       io:format("Not enough results for query_http: ~p~n", [Results]),
  -                    {error, "Not enough results.", State}
  +                    {ok, State}
               end;
           {error, Reason} ->
               io:format("[~s:~p] ERROR - Reason: ~p~n", [?MODULE, ?LINE, Reason]),
  
positive.code:     end;
  
  %% Query results via the M/R interface.
  run({query_mr, N}, KeyGen, _ValueGen, State) ->
      Host = State#state.http_host,
      Port = State#state.http_port,
  
negative.code:             {ok, State};
          {ok, Results} ->
              io:format("Not enough results for query_mr: ~p~n", [Results]),
              {ok, State};
          {error, Reason} ->
              io:format("[~s:~p] ERROR - Reason: ~p~n", [?MODULE, ?LINE, Reason]),
              {error, Reason, State}
  