SQL Get all parent nodes and child nodes according to the specified node ID (reproduced)

- Get all child nodes of the specified node ID - 
the WITH  the TEMP  the AS
(
SELECT * FROM table_name WHERE Id='4' --表的主键ID
UNION ALL
SELECT T0.* FROM TEMP,table_name T0 WHERE TEMP.Id=T0.ParentId --子级ID==父级ID
)
SELECT * FROM TEMP;


- Get all the parent node according to the specified node ID - 
the WITH  the TEMP  the AS
(
SELECT * FROM table_name WHERE Id='32' --表的主键ID
UNION ALL
SELECT T0.* FROM TEMP,table_name T0 WHERE TEMP.ParentId=T0.Id --父级ID==子级ID
)
SELECT * FROM TEMP;

Original Address: https: //www.cnblogs.com/fengyeqingxiang/p/10947815.html