Sql Server 2005+中用公用表表达式(CTE)实现递归查询

源码:

DECLARE @ID int

SET @ID=1


WITH CTETest as
(
select * from TestRecursive WHERE ParentID=@ID
union all
SELECT a.* FROM TestRecursive a inner join CTETest b
on a.ParentID=b.ID
)
select * from CTETest