Souke/console/migrations/m180331_185334_add_field_favorite_producer.php

<?php

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

class m180331_185334_add_field_favorite_producer extends Migration {

    public function up() {
        $this->addColumn('user_etablissement', 'favoris', Schema::TYPE_BOOLEAN.' DEFAULT 1') ;
    }

    public function down() {
        $this->dropColumn('user_etablissement', 'favoris') ;
    }
}