code: def fetch(dbconn, tablename, n=1, uuid=None, end=True):
      
      cur = dbconn.cursor()
      order = 'DESC' if end else 'ASC'
      try:
          if uuid:
              cur.execute("SELECT * FROM '{}' WHERE UUID='{}' ORDER BY ROWID {} LIMIT {};".format(tablename, uuid, order, n))
          else:
              cur.execute("SELECT * FROM '{}' ORDER BY ROWID {} LIMIT {};".format(tablename, order, n))
      except sqlite3.OperationalError as e:
          if 'no such table' not in getattr(e, 'message', ''):
              # Suppress logging of errors generated when no table exists
              logger.error(e)
          return []
      rows = cur.fetchall()
      return rows
docs: Returns `n` rows from the table's start or end
      :param dbconn: database connection
      :param tablename: name of the table
      :param n: number of rows to return from the end of the table
      :param uuid: Optional UUID to select from
      :return: If n > 1, a list of rows. If n=1, a single row