code: def ReadGRRUsers(self, offset=0, count=None, cursor=None):
      
      if count is None:
        count = 18446744073709551615  # 2^64-1, as suggested by MySQL docs
  
      cursor.execute(
          "SELECT username, password, ui_mode, canary_mode, user_type "
          "FROM grr_users ORDER BY username ASC "
          "LIMIT %s OFFSET %s", [count, offset])
      return [self._RowToGRRUser(row) for row in cursor.fetchall()]
docs: Reads GRR users with optional pagination, sorted by username.