def _handle_statsdata(self, relpath, params):
    statsdb = StatsDBFactory.global_instance().get_db()
    statsdata = list(statsdb.get_aggregated_stats_for_cmd_line('cumulative_timings', '%'))
    self._send_content(json.dumps(statsdata), 'application/json')
Projects and rename columns, using column numbers.
dataset/ETHPy150Open pantsbuild/pants/src/python/pants/reporting/reporting_server.py/PantsHandler._handle_statsdata--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/packages/tabledata/operations.py/TestProjection.test_column_numbers_rename