Sql server 返回自引用MSSQL表的父链ID
我想从子记录中获取父链不是父级或整个层次结构的所有子级 看看这里: 在“F.使用递归公共表表达式显示分层列表”这一点上,这接近于我想要做的,但只需要一个子行的父级(ID列表) 以下是我的数据:Sql server 返回自引用MSSQL表的父链ID,sql-server,common-table-expression,Sql Server,Common Table Expression,我想从子记录中获取父链不是父级或整个层次结构的所有子级 看看这里: 在“F.使用递归公共表表达式显示分层列表”这一点上,这接近于我想要做的,但只需要一个子行的父级(ID列表) 以下是我的数据: CREATE TABLE dbo.Stuff (StuffID int PRIMARY KEY NOT NULL, ParentID int NULL, [Name] varchar(25) NOT NULL, [Desc] text NULL) GO i
CREATE TABLE dbo.Stuff
(StuffID int PRIMARY KEY NOT NULL,
ParentID int NULL,
[Name] varchar(25) NOT NULL,
[Desc] text NULL)
GO
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (1, null, 'My Home', '1203 WoodHaven Rd')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (2, 1, 'Basement', 'Walkout basement')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (3, 1, 'Level 1', 'Family room')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (4, 1, 'Level 2', 'Living/Kitchen')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (5, 1, 'Level 3', 'Bedrooms & Laundry')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (6, 1, 'Attic', 'attic space')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (7, 2, 'Family Room', 'Family game room')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (8, 2, 'Storeroom', 'Storage room')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (9, 2, 'Furnace', 'Furnace/Server room')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (10, 7, 'Closet', 'Under stairs junk closet')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (11, 9, 'Furnace floor', 'Furnace Room Floor (under desk)')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (12, 9, 'Furnace keyboard Shelf', 'Furnace room name desk shelf')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (13, 9, 'Furnace High Shelf', 'Furnace/Server room high shelf')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (14, 13, 'Router', 'ASUS AC router')
insert dbo.stuff (StuffID, ParentID, [Name], [Desc])
VALUES (15, 13, 'Deprecated server', 'Old WinServer')
我想知道“路由器”在哪里。我预期的结果是:
1.
2.
9
13
14
我可能会按部分名称搜索它:
其中[Name]类似于“%rout%”
;with parents as
(
select
StuffID, ParentID
from
[Stuff]
WHERE
[Name] LIKE '%rout%'
union all
select
s.StuffID, s.ParentID
from
[Stuff] s
join parents p on
s.StuffID = p.ParentID
)
SELECT
StuffID
from
parents
order by
StuffID
输出将是:1 2 7 13 14(与您的预期不同1 2 9 13 14,这是一个错误吗?谢谢!这就是我想要的。是的,我的数据亲子关系有一个问题(我在我的示例中修复了这个问题)。