ctx)</code> can be called to
     specify suppression of the <code class="literal">CONTEXT:</code> portion of a message in
     the postmaster log.  This should only be used for verbose debugging
     messages where the repeated inclusion of context would bloat the log
     too much.
    </p></li></ul></div><p>
   </p><div class="note"><h3 class="title">Note</h3><p>
     At most one of the functions <code class="function">errtable</code>,
     <code class="function">errtablecol</code>, <code class="function