qimall/console/migrations/M250710033753AddGoodsSubtypeToGoodsTable.php

<?php

namespace app\migrations;

use yii\db\Migration;

/**
 * Class M250710033753AddGoodsSubtypeToGoodsTable
 */
class M250710033753AddGoodsSubtypeToGoodsTable extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $sql = <<<SQL
ALTER TABLE `qimall_goods` 
ADD COLUMN `goods_subtype` tinyint UNSIGNED NOT NULL DEFAULT 0 COMMENT '商品子类型 0普通商品 1药品商品';
SQL;

        $this->execute($sql);
    }

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

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

    }

    public function down()
    {
        echo "M250710033753AddGoodsSubtypeToGoodsTable cannot be reverted.\n";

        return false;
    }
    */
}