iver only)</p>
<p>The table structure has changed a bit, and more specifically:</p>
<blockquote>
<div><ul class="simple">
<li><code class="docutils literal"><span class="pre">session_id</span></code> field is renamed to <code class="docutils literal"><span class="pre">id</span></code></li>
<li><code class="docutils literal"><span class="pre">user_agent</span></code> field is dropped</li>
<li><code class="docutils literal"><span class="pre">user_data</span></code> field is renamed to <code class="docutils li