WITH CTE AS
(
SELECT * FROM 表名 WHERE ParentID=?
UNION ALL
SELECT TA.* FROM 表名 AS TA,CTE AS TB WHERE TA.ParentID=TB.ID
)
SELECT * FROM CTE
?表示 父ID的值
OPTION(MAXRECURSION 0) --当指定MAXRECURSION为0时,递归层次无限制,100为系统的默认值
WITH CTE AS
(
SELECT * FROM 表名 WHERE ParentID=?
UNION ALL
SELECT TA.* FROM 表名 AS TA,CTE AS TB WHERE TA.ParentID=TB.ID
)
SELECT * FROM CTE
?表示 父ID的值
OPTION(MAXRECURSION 0) --当指定MAXRECURSION为0时,递归层次无限制,100为系统的默认值