qimall/addons/Seckill/console/migrations/M241126113659AlterAddonsSeckillActivity.php

<?php

namespace addons\Seckill\console\migrations;

use yii\db\Migration;

/**
 * Class M241126113659AlterAddonsSeckillActivity
 */
class M241126113659AlterAddonsSeckillActivity extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        try {
            $sql = <<<SQL
            ALTER TABLE `qimall_addons_seckill_activity` 
            ADD COLUMN `limit_nums` int(11) NULL DEFAULT 0 COMMENT '活动每人限购数' AFTER `sale_nums`;
SQL;
            $this->execute($sql);
        }catch (\Exception $e){

        }

    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M241126113659AlterAddonsSeckillActivity cannot be reverted.\n";

        return false;
    }

}