एक बच्चे के सभी माता-पिता को पाने के लिए यह प्रयास करें
;with name_tree as
(
select id, parentid
from Users
where id = 47897 -- this is the starting point you want in your recursion
union all
select C.id, C.parentid
from Users c
join name_tree p on C.id = P.parentid -- this is the recursion
-- Since your parent id is not NULL the recursion will happen continously.
-- For that we apply the condition C.id<>C.parentid
AND C.id<>C.parentid
)
-- Here you can insert directly to a temp table without CREATE TABLE synthax
select *
INTO #TEMP
from name_tree
OPTION (MAXRECURSION 0)
SELECT * FROM #TEMP
परिणाम देखने के लिए यहां क्लिक करें
संपादित करें:
यदि आप तालिका चर में सम्मिलित करना चाहते हैं, तो आप कुछ ऐसा कर सकते हैं:
-- Declare table varialbe
Declare @TABLEVAR table (id int ,parentid int)
;with name_tree as
(
select id, parentid
from #Users
where id = 47897 -- this is the starting point you want in your recursion
union all
select C.id, C.parentid
from #Users c
join name_tree p on C.id = P.parentid -- this is the recursion
-- Since your parent id is not NULL the recursion will happen continously.
-- For that we apply the condition C.id<>C.parentid
AND C.id<>C.parentid
)
-- Here you can insert directly to table variable
INSERT INTO @TABLEVAR
select *
from name_tree
OPTION (MAXRECURSION 0)
SELECT * FROM @TABLEVAR
परिणाम देखने के लिए यहां क्लिक करें