mysql8 窗口函数

drop table if exists passing_number;
CREATE TABLE `passing_number` (
`id` int(4) NOT NULL,
`number` int(4) NOT NULL,
PRIMARY KEY (`id`));

INSERT INTO passing_number VALUES
(1,4),
(2,3),
(3,3),
(4,2),
(6,4),
(5,5);

SELECT
	pn.id,
	pn.`number`,
	RANK() OVER(ORDER BY pn.number DESC) `RANK`,
	DENSE_RANK() OVER(ORDER BY pn.number DESC) `DENSE_RANK`,
	ROW_NUMBER() OVER(ORDER BY pn.number DESC) `row_number`
FROM
	passing_number pn