de></td><td>Application name on local server</td></tr><tr><td><code class="literal">%c</code></td><td>
          Session ID on local server
          (see <a class="xref" href="runtime-config-logging.html#GUC-LOG-LINE-PREFIX">log_line_prefix</a> for details)
         </td></tr><tr><td><code class="literal">%C</code></td><td>
          Cluster name on local server
          (see <a class="xref" href="runtime-config-logging.html#GUC-CLUSTER-NAME">cluster_name</a> for details)
         </td></tr><tr><td><code 