CREATE TABLE `Product` (
	`id` int PRIMARY KEY,
	`name` varchar(255)
);
CREATE TABLE `Decorator` (
	`id` int,
	`product_id` int,
	`field_name` varchar(255),
	`field_value` varchar(255),
	FOREIGN KEY(`product_id`) REFERENCES `Product` (`id`),
	FOREIGN KEY(`field_value`) REFERENCES `field` (`value`)
);