INSERT INTO request_types (id, name, code) VALUES
	(4, 'Contractor Leave', 'contractor_leave');

CREATE TABLE request_contractor_leave_periods (
	id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
	item_id INT NOT NULL,
	start_date DATE NOT NULL,
	end_date DATE NOT NULL,
	comments VARCHAR(255),
	FOREIGN KEY (item_id) REFERENCES request_items (id)
) ENGINE=InnoDB;
