opriate SQLSTATE error identifier for a failure in a
     socket-related system call.
    </p></li><li class="listitem"><p>
     <code class="function">errhidestmt(bool hide_stmt)</code> can be called to specify
     suppression of the <code class="literal">STATEMENT:</code> portion of a message in the
     postmaster log.  Generally this is appropriate if the message text
     includes the current statement already.
    </p></li><li class="listitem"><p>
     <code class="function">errhidecontext(bool hide_