qimall/console/migrations/M230210063447AlterTownFieldUserExtraTable.php

<?php

namespace app\migrations;

use yii\db\Migration;

/**
 * Class M230210063447AlterTownFieldUserExtraTable
 */
class M230210063447AlterTownFieldUserExtraTable extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        $sql = "ALTER TABLE `qimall_user_extra` ADD COLUMN `town` varchar(255) NOT NULL DEFAULT '' COMMENT '镇或街道';";
        $this->execute($sql);
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M230210063447AlterTownFieldUserExtraTable cannot be reverted.\n";

        return false;
    }

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

    }

    public function down()
    {
        echo "M230210063447AlterTownFieldUserExtraTable cannot be reverted.\n";

        return false;
    }
    */
}