mysql8.0CTE实现递归查询

+----+----------+--------------+
| ID | ParentID | name         |
+----+----------+--------------+
|  1 |        0 | 河南省       |
|  2 |        1 | 信阳市       |
|  3 |        2 | 淮滨县       |
|  4 |        3 | 芦集乡       |
|  5 |        1 | 安阳市       |
|  6 |        5 | 滑县         |
|  7 |        6 | 老庙乡       |
|  8 |        2 | 固始县       |
|  9 |        8 | 李店乡       |
| 10 |        2 | 息县         |
| 11 |       10 | 关店乡       |
| 12 |        3 | 邓湾乡       |
| 13 |        3 | 台头乡       |
| 14 |        3 | 谷堆乡       |
| 15 |        1 | 南阳市       |
| 16 |       15 | 方城县       |
| 17 |        1 | 驻马店市     |
| 18 |       17 | 正阳县       |
+----+----------+--------------+

with recursive r as (

select * from test_area where id =11

union all select test_area.* from test_area,r where test_area.id=r.ParentID)

select * from r order by id;

+------+----------+-----------+
| ID   | ParentID | name      |
+------+----------+-----------+
|    1 |        0 | 河南省    |
|    2 |        1 | 信阳市    |
|   10 |        2 | 息县      |
|   11 |       10 | 关店乡    |
+------+----------+-----------+