ful to close
   connections that are no longer necessary, thereby releasing
   connections on the foreign server.
  </p></div><div class="sect2" id="POSTGRES-FDW-TRANSACTION-MANAGEMENT"><div class="titlepage"><div><div><h3 class="title">F.38.4. Transaction Management <a href="#POSTGRES-FDW-TRANSACTION-MANAGEMENT" class="id_link">#</a></h3></div></div></div><p>
   During a query that references any remote tables on a foreign server,
   <code class="filename">postgres_fdw</code> opens a transaction on the
  