public function actionUp($args)
 {
     $this->getDbConnection()->createCommand("\n            SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;\n            SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;\n            SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='TRADITIONAL';\n        ")->execute();
     parent::actionUp($args);
     $this->getDbConnection()->createCommand("\n            SET SQL_MODE=@OLD_SQL_MODE;\n            SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;\n            SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;\n        ")->execute();
 }