@Override
    public JLGGroupData mapRow(ResultSet rs, @SuppressWarnings("unused") int rowNum)
        throws SQLException {

      final String groupName = rs.getString("groupName");
      final Long groupId = JdbcSupport.getLong(rs, "groupId");
      final Long staffId = JdbcSupport.getLong(rs, "staffId");
      final String staffName = rs.getString("staffName");
      final Long levelId = JdbcSupport.getLong(rs, "levelId");
      final String levelName = rs.getString("levelName");
      return JLGGroupData.instance(groupId, groupName, staffId, staffName, levelId, levelName);
    }