qimall/console/migrations/M221214071210AlterQimallOrder.php

<?php

namespace app\migrations;

use yii\db\Migration;

/**
 *
 * Class M221214071210AlterQimallOrder
 */
class M221214071210AlterQimallOrder extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $sql = "ALTER TABLE `qimall_order` ADD COLUMN `reduce_shipping_money` decimal(10, 2) NULL DEFAULT 0.00 COMMENT '满邮减免' AFTER `shipping_money`;";
        $this->execute($sql);
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M221214071210AlterQimallOrder cannot be reverted.\n";

        return false;
    }

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

    }

    public function down()
    {
        echo "M221214071210AlterQimallOrder cannot be reverted.\n";

        return false;
    }
    */
}