<?php

namespace app\migrations;

use yii\db\Migration;

/**
 * Class M231127033948AchievementColumnUpdate
 */
class M231127033948AchievementColumnUpdate extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        return '';

    	try{
            $tableName = 'qimall_addons_achievement_award_log';
	        $table = \Yii::$app->db->getTableSchema($tableName, true);
	        if(empty($table)) return true;
	        $column = $table->getColumn('equal_info');
	        if(empty($column)) return true;
        	$sql = "ALTER TABLE `qimall_addons_achievement_award_log` MODIFY COLUMN `equal_info`  varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL DEFAULT '' COMMENT '首次平级奖励内容';";
        	$this->execute($sql);
       }catch (\Exception $e){

       }
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M231127033948AchievementColumnUpdate cannot be reverted.\n";

        return false;
    }

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

    }

    public function down()
    {
        echo "M231127033948AchievementColumnUpdate cannot be reverted.\n";

        return false;
    }
    */
}