qimall/console/migrations/M240905085237UpdateReserveGoodsDistanceColumn.php

<?php

namespace app\migrations;

use yii\db\Migration;

/**
 * Class M240905085237UpdateReserveGoodsDistanceColumn
 */
class M240905085237UpdateReserveGoodsDistanceColumn extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $this->execute("ALTER TABLE `qimall_goods_reserve`
	CHANGE COLUMN `distance` `distance` DECIMAL(10,2) NOT NULL DEFAULT '0.00' COMMENT '有效距离';");
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M240905085237UpdateReserveGoodsDistanceColumn cannot be reverted.\n";

        return false;
    }

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

    }

    public function down()
    {
        echo "M240905085237UpdateReserveGoodsDistanceColumn cannot be reverted.\n";

        return false;
    }
    */
}