qimall/console/migrations/M220826100559AlterQimallOrderBatchDelivery.php

<?php

namespace app\migrations;

use yii\db\Migration;

/**
 *
 * Class M220826100559AlterQimallOrderBatchDelivery
 */
class M220826100559AlterQimallOrderBatchDelivery extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $this->execute("ALTER TABLE `qimall_order_batch_delivery` MODIFY COLUMN `delivery_file` varchar(500) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '' COMMENT '批量发货文件地址' AFTER `operator_name`;");
    }

    /**
     * {@inheritdoc}
     */
//    public function safeDown()
//    {
//        echo "M220826100559AlterQimallOrderBatchDelivery cannot be reverted.\n";
//
//        return false;
//    }

    /*
    // Use up()/down() to run migration code without a transaction.
    public function up()
    {

    }

    public function down()
    {
        echo "M220826100559AlterQimallOrderBatchDelivery cannot be reverted.\n";

        return false;
    }
    */
}