execute($sql); $sql="ALTER TABLE `qimall_addons_cloud_stock_upgrade_bag` add is_percent tinyint(1) not null default 0 comment '0:固定金额;1:百分比';"; $this->execute($sql); }catch (\Exception $e){ } } /** * {@inheritdoc} */ public function safeDown() { echo "M230728010437AlterQimallAddonsCloudStockUpgradeBag cannot be reverted.\n"; return false; } /* // Use up()/down() to run migration code without a transaction. public function up() { } public function down() { echo "M230728010437AlterQimallAddonsCloudStockUpgradeBag cannot be reverted.\n"; return false; } */ }