Souke/console/migrations/m161014_084709_table_user_boulangerie.php

<?php

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

class m161014_084709_table_user_boulangerie extends Migration
{
    public function up()
    {
    	$this->createTable('user_etablissement', [
            'id_user' => Schema::TYPE_INTEGER . ' NOT NULL',
            'id_etablissement' => Schema::TYPE_INTEGER . ' NOT NULL',
            'PRIMARY KEY (`id_user`, `id_etablissement`)'
    	]);
    }

    public function down()
    {
    	$this->dropTable('user_etablissement');
    }
}