qimall/addons/BossWeight/console/migrations/M230809020723BossWeightAddColumn.php

<?php

namespace addons\BossWeight\console\migrations;

use yii\db\Migration;

/**
 * Class M230809020723BossWeightAddColumn
 */
class M230809020723BossWeightAddColumn extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
    	$sql = "ALTER TABLE `qimall_addons_boss_weight` ADD COLUMN `fixed_weight`  int(11) NOT NULL DEFAULT 0 COMMENT '固定权重'";
    	$this->execute($sql);
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M230809020723BossWeightAddColumn cannot be reverted.\n";

        return false;
    }

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

    }

    public function down()
    {
        echo "M230809020723BossWeightAddColumn cannot be reverted.\n";

        return false;
    }
    */
}