Craft\m160605_191540_Neo_UpdateBlockStructureLocales::safeUp PHP Method

    public function safeUp()
    {
        $this->addColumn('neoblockstructures', 'ownerLocale', 'locale');
        $this->addForeignKey('neoblockstructures', 'ownerLocale', 'locales', 'locale', 'CASCADE', 'CASCADE');
        return true;
    }