"screen">
postgres=# SELECT postgres_fdw_disconnect('loopback1');
 postgres_fdw_disconnect
-------------------------
 t
</pre><p>
     </p></dd><dt><span class="term"><code class="function">postgres_fdw_disconnect_all() returns boolean</code></span></dt><dd><p>
      This function discards all the open connections that are established by
      <code class="filename">postgres_fdw</code> from the local session to
      foreign servers.  If the connections are used in the current local
      transaction, they 