FRONTEND_MVC/migrations/m230918_092658_inquirer_answer.php

<?php

use yii\db\Schema;
use yii\db\Migration;

class m230918_092658_inquirer_answer extends Migration
{

    public function init()
    {
        $this->db = 'db';
        parent::init();
    }

    public function safeUp()
    {
        $tableOptions = 'ENGINE=InnoDB';

        $this->createTable(
            '{{%inquirer_answer}}',
            [
                'id'=> $this->primaryKey()->unsigned(),
                'idq'=> $this->integer()->unsigned()->notNull()->comment('id вопроса'),
                'text'=> $this->text()->notNull(),
                'type'=> $this->string(64)->notNull()->defaultValue('simple'),
                'count'=> $this->integer()->unsigned()->notNull()->defaultValue(0)->comment('счётчик'),
            ],$tableOptions
        );
        $this->createIndex('idq','{{%inquirer_answer}}',['idq'],false);

    }

    public function safeDown()
    {
        $this->dropIndex('idq', '{{%inquirer_answer}}');
        $this->dropTable('{{%inquirer_answer}}');
    }
}