<?php

use yii\db\Migration;

class m170309_000003_alias extends Migration
{
    public function safeUp()
    {
        $this->createTable(
            'alias',
            [
                'id'=> $this->primaryKey(),
                'value'=> $this->string()->notNull(),
            ]
        );
    }

    public function safeDown()
    {
        $this->dropTable('alias');
    }
}