chihiro-adachi / ec-cube

        return $this;

    }

    private function dropTables()

    {

        $this->resetNatTimer();

        $em = $this->getEntityManager();

        $metadatas = $em->getMetadataFactory()->getAllMetadata();

        $schemaTool = new SchemaTool($em);

        $schemaTool->dropSchema($metadatas);

        $em->getConnection()->executeQuery('DROP TABLE IF EXISTS doctrine_migration_versions');

        return $this;

    }

    /**

     * @return EntityManager

        return $em = $this->app['orm.em'];

    }

    private function createTables()

    {

        $this->resetNatTimer();

        $em = $this->getEntityManager();

        $metadatas = $em->getMetadataFactory()->getAllMetadata();

        $schemaTool = new SchemaTool($em);

        $schemaTool->createSchema($metadatas);

        return $this;

    }

    private function insert()

    {