Sql 递归生成树中任何给定节点的层次结构?
此CTE获取SuiteID和ParentSuiteID的层次结构,作为下面的结果集。我想通过SuiteID和所有SuiteID,它们是各自级别的家长Sql 递归生成树中任何给定节点的层次结构?,sql,sql-server,database,sql-server-2008,Sql,Sql Server,Database,Sql Server 2008,此CTE获取SuiteID和ParentSuiteID的层次结构,作为下面的结果集。我想通过SuiteID和所有SuiteID,它们是各自级别的家长 WITH HIERARCHY AS ( select T1.SuiteID,T1.Title,T1.ParentSuiteID, 0 Level FROM tbl_Suite(nolock) T1 Where T1.ParentSuiteID = 0 AND T1.PlanID = '404' UNION ALL select T
WITH HIERARCHY AS
( select T1.SuiteID,T1.Title,T1.ParentSuiteID, 0 Level
FROM tbl_Suite(nolock) T1
Where T1.ParentSuiteID = 0 AND T1.PlanID = '404'
UNION ALL
select T2.SuiteID,T2.Title,T2.ParentSuiteID,Level+1
from tbl_Suite(nolock) AS T2
INNER JOIN HIERARCHY AS H ON T2.ParentSuiteID = H.SuiteID
)
SELECT *
FROM HIERARCHY
我想编写一个查询,当我传递SuiteID=11100时,该查询将给出以下结果集:
SuiteID Title ParentSuiteID Level
10664 root 0 0
11097 Dev Test Environment 10664 1
11100 Bridge PMS 11097 2
返回
Lvl SuiteID ParentSuiteID Title
0 10664 0 root
1 11097 10664 Dev Test Environment
2 11100 11097 Bridge PMS
谢谢你,约翰,这正是我要找的。@Sharktooth很高兴能帮上忙
Declare @Table table (SuiteID int,Title varchar(50),ParentSuiteID int)
Insert into @Table values
(10664 ,'root ', 0),
(10681 ,'Prod Test Environment ',10664 ),
(11097 ,'Dev Test Environment ',10664 ),
(11155 ,'Training Environment ',10664 ),
(11156 ,'Production Environment ',10664 ),
(11100 ,'Bridge PMS' ,11097 )
Declare @Fetch int = 11100
;with cteHB as (
Select SuiteID
,ParentSuiteID
,Lvl=1
,Title
From @Table
Where SuiteID =@Fetch
Union All
Select R.SuiteID
,R.ParentSuiteID
,P.Lvl+1
,R.Title
From @Table R
Join cteHB P on P.ParentSuiteID = R.SuiteID )
Select Lvl = Row_Number() over (Order By Lvl Desc) -1
,SuiteID
,ParentSuiteID
,Title
From cteHB
Order By 1
Lvl SuiteID ParentSuiteID Title
0 10664 0 root
1 11097 10664 Dev Test Environment
2 11100 11097 Bridge PMS