<?php

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

class m151129_101441_add_table_key extends Migration
{
    public function up()
    {
		$tableOptions = null;
		if ($this->db->driverName === 'mysql') {
			  // http://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci
			$tableOptions = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE=InnoDB';
		}
			 
	    $this->createTable('{{%key}}', [
			   'id_key' => $this->primaryKey(),
			   'number' => $this->string(255),
			   'status' => $this->smallInteger(),
			   'type' => $this->smallInteger(),
			   'created_at' => $this->dateTime()->notNull(),
			   'updated_at' =>  $this->dateTime()->notNull(),
		], $tableOptions);

    }

    public function down()
    {
        echo "m151129_101441_add_table_key cannot be reverted.\n";

        return false;
    }

    /*
    // Use safeUp/safeDown to run migration code within a transaction
    public function safeUp()
    {
    }

    public function safeDown()
    {
    }
    */
}