mysql error: [2006: MySQL server has gone away] in EXECUTE("
			SELECT r.*, ra.value, u.display_name
			FROM review r INNER JOIN user u ON r.user_id=u.id LEFT JOIN rating ra ON ra.cell_phone_id=r.cell_phone_id AND ra.user_id=r.user_id
			WHERE r.cell_phone_id = 250
			ORDER BY r.id DESC
			LIMIT 3
		")