m170203_135455_create_categories_table.php

<?php

use yii\db\Migration;

/**
 * Handles the creation of table `category`.
 */
class m170203_135455_create_categories_table extends Migration
{
    /**
     * @inheritdoc
     */
    public function up()
    {
        $this->createTable('categories', [
            'id' => $this->primaryKey(),
            'name' => $this->string(80)->notNull()->unique(),
            'status' => $this->boolean()->notNull(),
            'created_at' => $this->integer()->notNull(),
            'updated_at' => $this->integer()->notNull(),
        ]);
    }

    /**
     * @inheritdoc
     */
    public function down()
    {
        $this->dropTable('categories');
    }
}