/**
  * Do we have a settings table?
  *
  * If not put Configure::write('MiSettings.noDb', true) in your bootstrap
  *
  * @return void
  * @access protected
  */
 protected static function _hasSettingsTable()
 {
     if (MiCache::$_hasSettingsTable === null) {
         MiCache::$_hasSettingsTable = !Configure::read('MiSettings.noDb');
     }
     return MiCache::$_hasSettingsTable;
 }