code: def get_segmented_raw_data(top_n=10000):
      
      cfg = utils.get_database_configuration()
      mysql = cfg['mysql_online']
      connection = pymysql.connect(host=mysql['host'],
                                   user=mysql['user'],
                                   passwd=mysql['passwd'],
                                   db=mysql['db'],
                                   cursorclass=pymysql.cursors.DictCursor)
      cursor = connection.cursor()
      sql = ("SELECT `id`, `data`, `segmentation` "
             "FROM `wm_raw_draw_data` WHERE "
             "(`segmentation` IS NOT NULL OR `accepted_formula_id` IS NOT NULL) "
             "AND `wild_point_count` = 0 "
             "AND `stroke_segmentable` = 1 "
             "ORDER BY `id` LIMIT 0, %i") % top_n
      logging.info(sql)
      cursor.execute(sql)
      datasets = cursor.fetchall()
      logging.info("Fetched %i recordings. Add missing segmentations.",
                   len(datasets))
      for i in range(len(datasets)):
          if datasets[i]['segmentation'] is None:
              stroke_count = len(json.loads(datasets[i]['data']))
              if stroke_count > 10:
                  print("Massive stroke count! %i" % stroke_count)
              datasets[i]['segmentation'] = str([[s for s in
                                                  range(stroke_count)]])
      return datasets
docs: Fetch data from the server.
  
      Parameters
      ----------
      top_n : int
          Number of data sets which get fetched from the server.