qimall/console/migrations/M241114075657AddNumsColumnToOrderExpressTable.php

<?php

namespace app\migrations;

use yii\db\Migration;

/**
 * Handles adding columns to table `{{%order_express}}`.
 */
class M241114075657AddNumsColumnToOrderExpressTable extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $sql = <<<SQL
ALTER TABLE `qimall_order_express` 
ADD COLUMN `nums` json NULL COMMENT '发货数量 {detail_id: num}';
SQL;

        $this->execute($sql);
    }

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