private static function _stop()
  {
    $adapter = self::$_transaction->_stored;
    
    if (is_null($adapter)) {
      Config::clearDataAdapter();
    } else {
      Config::setDataAdapter($adapter);
    }
  }
private static function _stop()
  {
    $adapter = self::$_transaction->_stored;
    
    if (is_null($adapter)) {
      Config::clearDataAdapter();
    } else {
      Config::setDataAdapter($adapter);
    }
  }
private static function _stop ( ) { $ adapter = self :: $ _transaction -> _stored ; if ( is_null ( $ adapter ) ) { Config :: clearDataAdapter ( ) ; } else { Config :: setDataAdapter ( $ adapter ) ; } }
Restore old data adapter

@return null
Restore old data adapter