code: def get_rows(self):
          
          rows = []
          if check_table_exists(self.tracker.dbcon_master, self.name):
              rows.extend(get_rows(self.tracker.dbcon_master, self.name))
          if self.tracker.dbcon_part and check_table_exists(self.tracker.dbcon_part, self.name):
              rows.extend(get_rows(self.tracker.dbcon_part, self.name))
          return rows
docs: Attempt to load the statistic from the database.
          :return: Number of entries for the statistic