qimall/addons/Mch/console/migrations/M220926011305AddStoreBackgroundColumnToQimallAddonsMch.php

<?php

namespace addons\Mch\console\migrations;

use yii\db\Migration;

/**
 * Class M220926011305AddStoreBackgroundColumnToQimallAddonsMch
 */
class M220926011305AddStoreBackgroundColumnToQimallAddonsMch extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        try {
            $sql="ALTER TABLE qimall_addons_mch add store_background VARCHAR(255) not null default '' COMMENT '背景'";
            $this->execute($sql);
        }catch (\Exception $e){

        }

    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M220926011305AddStoreBackgroundColumnToQimallAddonsMch cannot be reverted.\n";

        return false;
    }

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

    }

    public function down()
    {
        echo "M220926011305AddStoreBackgroundColumnToQimallAddonsMch cannot be reverted.\n";

        return false;
    }
    */
}