qimall/console/migrations/M250117094321ChackItemTradeType.php

<?php
namespace app\migrations;

use yii\db\Migration;

/**
 * Class M250117094321ChackItemTradeType
 */
class M250117094321ChackItemTradeType extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $res = \Yii::$app->db->schema->getTableSchema("qimall_payment_trade_item", true);
        if (!$res->getColumn('trade_type')) {
            $sql = "ALTER TABLE `qimall_payment_trade_item` ADD COLUMN `trade_type` varchar(100) NOT NULL DEFAULT '' COMMENT '聚合支付具体的支付方式（如汇聚-微信，汇聚-支付宝）'";

            $this->execute($sql);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M250117094321ChackItemTradeType cannot be reverted.\n";

        return false;
    }
}