Souke/console/migrations/m161117_094154_add_champs_code_boulangerie.php

<?php

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

class m161117_094154_add_champs_code_boulangerie extends Migration
{
    public function up()
    {
        $this->addColumn('etablissement', 'code', Schema::TYPE_STRING) ;
    }

    public function down()
    {
        $this->dropColumn('etablissement', 'code') ;
    }

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

    public function safeDown()
    {
    }
    */
}