/*
 * call-seq:
 *    conn.endcopy()
 *
 * Waits until the backend completes the copying.
 * You should call this method after #putline or #getline.
 * Returns +nil+ on success; raises an exception otherwise.
 */
static VALUE
pgconn_endcopy(obj)
  VALUE obj;
{
  if (PQendcopy(get_pgconn(obj)) == 1) {
    rb_raise(rb_ePGError, "cannot complete copying");
  }
  return Qnil;
}