qimall/console/migrations/M240703030233ExpressAddSortField.php

<?php

namespace app\migrations;

use yii\db\Migration;

/**
 * Class M240703030233ExpressAddSortField
 */
class M240703030233ExpressAddSortField extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $sql = <<<SQL
ALTER TABLE `qimall_express` 
ADD COLUMN `sort` tinyint UNSIGNED NOT NULL DEFAULT 255 COMMENT '排序字段' AFTER `status`;
SQL;
        $this->execute($sql);
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        return false;
    }

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

    }

    public function down()
    {
        echo "M240703030233ExpressAddSortField cannot be reverted.\n";

        return false;
    }
    */
}