l = mgr.getSql("SELECT AVG(windSpeed) FROM %s"
                     " WHERE dateTime&gt;? AND dateTime&lt;=?" %
                     mgr.table_name, (start_ts, end_ts))</pre>
                </td>
            </tr>
        </table>

        <h3>Generator APIs</h3>

        <p>
            The base class for report generators has changed. The old class
            <span class="code">CachedReportGenerator</span> no longer exists; its
            functionality has been replaced by an instance of
            <s