qimall/console/migrations/M240522180009ModifyBannarPicLongText.php

<?php

namespace app\migrations;

use yii\db\Migration;

/**
 * Class M240522180009ModifyBannarPicLongText
 */
class M240522180009ModifyBannarPicLongText extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        try {
            $sql = <<<SQL
                ALTER TABLE `qimall_goods` 
                    MODIFY COLUMN `bannar_pic` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci 
                    NOT NULL COMMENT '商品展示bannar图' AFTER `cover_pic`;
SQL;
            $this->execute($sql);
        } catch (\Exception $e) {

        }
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M240522180009ModifyBannarPicLongText cannot be reverted.\n";

        return false;
    }
}