创建用户定义函数,每个子节点de父节点的信息 --生成测试数据 create table BOM(ID int,parentID int,sClassName varchar(10)) insert into BOM values(1,0,'1111' ) insert into BOM values(2,1,'1111_1' ) insert into BOM values(3,2,'1111-1-1' ) insert into BOM values(4,3,'1111-1-1-1') insert into BOM values(5,1,'1111-2' )go--创建用户定义函数,每个子节点de父节点的信息 create function f_getParent(@ID int) returns varchar(40) as begin declare @ret varchar(40) while exists(select 1 from BOM where ID=@ID and parentID<>0) begin select @ID=b.ID,@ret=','+rtrim(b.ID)+isnull(@ret,'') from BOM a,BOM b where a.ID=@ID and b.ID=a.parentID end
set @ret=stuff(@ret,1,1,'') return @ret end go--执行查询 select ID,isnull(dbo.f_getParent(ID),'') as parentID from BOM go--输出结果 /* ID parentID ----------- ---------------------------------------- 1 2 1 3 1,2 4 1,2,3 5 1 */--删除测试数据 drop function f_getParent drop table BOM go
/* 标题:SQL SERVER 2000中查询指定节点及其所有子节点的函数(字符串形式显示) 作者:爱新觉罗?毓华(十八年风雨,守得冰山雪莲花开) 时间:2010-02-02 地点:新疆乌鲁木齐 */--生成测试数据 create table tb(id varchar(3) , pid varchar(3) , name varchar(10)) insert into tb values('001' , null , '广东省') insert into tb values('002' , '001' , '广州市') insert into tb values('003' , '001' , '深圳市') insert into tb values('004' , '002' , '天河区') insert into tb values('005' , '003' , '罗湖区') insert into tb values('006' , '003' , '福田区') insert into tb values('007' , '003' , '宝安区') insert into tb values('008' , '007' , '西乡镇') insert into tb values('009' , '007' , '龙华镇') insert into tb values('010' , '007' , '松岗镇') go--创建用户定义函数 create function f_cid(@id varchar(10)) returns varchar(8000) as begin declare @i int , @ret varchar(8000) declare @t table(id varchar(10) , pid varchar(10) , level int) set @i = 1 insert into @t select id , pid , @i from tb where id = @id while @@rowcount <> 0 begin set @i = @i + 1 insert into @t select a.id , a.pid , @i from tb a , @t b where a.pid = b.id and b.level = @i - 1 end select @ret = isnull(@ret , '') + id + ',' from @t return left(@ret , len(@ret) - 1) end go --执行查询 select id , children = isnull(dbo.f_cid(id) , '') from tb group by iddrop table tb drop function f_cid/* id children ---- --------------------------------------- 001 001,002,003,004,005,006,007,008,009,010 002 002,004 003 003,005,006,007,008,009,010 004 004 005 005 006 006 007 007,008,009,010 008 008 009 009 010 010(所影响的行数为 10 行) *//* 标题:SQL SERVER 2005中查询指定节点及其所有子节点的方法(字符串形式显示) 作者:爱新觉罗?毓华(十八年风雨,守得冰山雪莲花开) 时间:2010-02-02 地点:新疆乌鲁木齐 */create table tb(id varchar(3) , pid varchar(3) , name nvarchar(10)) insert into tb values('001' , null , N'广东省') insert into tb values('002' , '001' , N'广州市') insert into tb values('003' , '001' , N'深圳市') insert into tb values('004' , '002' , N'天河区') insert into tb values('005' , '003' , N'罗湖区') insert into tb values('006' , '003' , N'福田区') insert into tb values('007' , '003' , N'宝安区') insert into tb values('008' , '007' , N'西乡镇') insert into tb values('009' , '007' , N'龙华镇') insert into tb values('010' , '007' , N'松岗镇') go;with t as ( select id , cid = id from tb union all select t.id , cid = tb.id from t join tb on tb.pid = t.cid ) select id , cid = STUFF((SELECT ',' + rtrim(cid) FROM t WHERE id = tb.id FOR XML PATH('')) , 1 , 1 , '') from tb group by id order by id /* id cid ---- --------------------------------------- 001 001,002,003,005,006,007,008,009,010,004 002 002,004 003 003,005,006,007,008,009,010 004 004 005 005 006 006 007 007,008,009,010 008 008 009 009 010 010(10 行受影响) */;with t as ( select id , name , cid = id , path = cast(name as nvarchar(100)) from tb union all select t.id , t.name , cid = tb.id , path = cast(tb.name as nvarchar(100)) from t join tb on tb.pid = t.cid ) select id , name , cid = STUFF((SELECT ',' + rtrim(cid) FROM t WHERE id = tb.id FOR XML PATH('')) , 1 , 1 , ''), path = STUFF((SELECT ',' + path FROM t WHERE id = tb.id FOR XML PATH('')) , 1 , 1 , '') from tb group by id , name order by id /* id name cid path ---- ---------- ------------------------------------------- --------------------------------------------------------------------- 001 广东省 001,002,003,005,006,007,008,009,010,004 广东省,广州市,深圳市,罗湖区,福田区,宝安区,西乡镇,龙华镇,松岗镇,天河区 002 广州市 002,004 广州市,天河区 003 深圳市 003,005,006,007,008,009,010 深圳市,罗湖区,福田区,宝安区,西乡镇,龙华镇,松岗镇 004 天河区 004 天河区 005 罗湖区 005 罗湖区 006 福田区 006 福田区 007 宝安区 007,008,009,010 宝安区,西乡镇,龙华镇,松岗镇 008 西乡镇 008 西乡镇 009 龙华镇 009 龙华镇 010 松岗镇 010 松岗镇(10 行受影响) */drop table tb
------------------------------------------------------------------------ -- Author : HappyFlyStone -- Date : 2010-10-07 -- Version: Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (Intel X86) -- Mar 29 2009 10:27:29 -- Copyright (c) 1988-2008 Microsoft Corporation -- Enterprise Edition on Windows NT 5.2 <X86> (Build 3790: Service Pack 2) -- -------------------------------------------------------------------------- Test Data: ta IF OBJECT_ID('[ta]') IS NOT NULL DROP TABLE [ta] Go CREATE TABLE ta([th] NVARCHAR(1),[zth] NVARCHAR(1)) Go INSERT INTO ta SELECT 'a','b' UNION ALL SELECT 'a','f' UNION ALL SELECT 'b','c' UNION ALL SELECT 'b','d' UNION ALL SELECT 'c','e' UNION ALL SELECT 'x','g' UNION ALL SELECT 'g','i' UNION ALL SELECT 'g','h' UNION ALL SELECT 'h','d' GO --Start with cte AS ( select 1 as rid,* from ta where zth = 'd' union all select case when exists(select 1 from ta where zth = a.th) then 1 else 0 end, a.* from ta a,cte b where a.zth = b.th ) select th,zth from cte where rid = 0 --Result: /* th zth ---- ---- x g a b(2 行受影响)*/ --End
create table #EnterPrise ( Department nvarchar(50),--部门名称 ParentDept nvarchar(50),--上级部门 DepartManage nvarchar(30)--部门经理 ) insert into #EnterPrise select '技术部','总经办','Tom' insert into #EnterPrise select '商务部','总经办','Jeffry' insert into #EnterPrise select '商务一部','商务部','ViVi' insert into #EnterPrise select '商务二部','商务部','Peter' insert into #EnterPrise select '程序组','技术部','GiGi' insert into #EnterPrise select '设计组','技术部','yoyo' insert into #EnterPrise select '专项组','程序组','Yue' insert into #EnterPrise select '总经办','','Boss' --查询部门经理是Tom的下面的部门名称 ;with hgo as ( select *,0 as rank from #EnterPrise where DepartManage='Tom' union all select h.*,h1.rank+1 from #EnterPrise h join hgo h1 on h.ParentDept=h1.Department ) select * from hgo /* Department ParentDept DepartManage rank --------------- -------------------- ----------------------- ----------- 技术部 总经办 Tom 0 程序组 技术部 GiGi 1 设计组 技术部 yoyo 1 专项组 程序组 Yue 2 */ --查询部门经理是GiGi的上级部门名称 ;with hgo as ( select *,0 as rank from #EnterPrise where DepartManage='GiGi' union all select h.*,h1.rank+1 from #EnterPrise h join hgo h1 on h.Department=h1.ParentDept ) select * from hgo /* Department ParentDept DepartManage rank -------------------- ---------------------- ----------- ----------- 程序组 技术部 GiGi 0 技术部 总经办 Tom 1 总经办 Boss 2 */本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/ws_hgo/archive/2010/01/31/5274571.aspx
--生成测试数据 create table BOM(ID int,parentID int,sClassName varchar(10)) insert into BOM values(1,0,'1111' ) insert into BOM values(2,1,'1111_1' ) insert into BOM values(3,2,'1111-1-1' ) insert into BOM values(4,3,'1111-1-1-1') insert into BOM values(5,1,'1111-2' )declare @i nvarchar(50); with tb as( select * from bom where id=4 union all select a.* from bom a,tb b where a.id=b.parentID ) select @i=(select ','+ltrim(str(id)) from tb order by id for xml path('')) print stuff(@i,1,1,'') /*结果*/ 1,2,3,4
--生成测试数据
create table BOM(ID int,parentID int,sClassName varchar(10))
insert into BOM values(1,0,'1111' )
insert into BOM values(2,1,'1111_1' )
insert into BOM values(3,2,'1111-1-1' )
insert into BOM values(4,3,'1111-1-1-1')
insert into BOM values(5,1,'1111-2' )go--创建用户定义函数,每个子节点de父节点的信息
create function f_getParent(@ID int)
returns varchar(40)
as
begin
declare @ret varchar(40) while exists(select 1 from BOM where ID=@ID and parentID<>0)
begin
select @ID=b.ID,@ret=','+rtrim(b.ID)+isnull(@ret,'')
from
BOM a,BOM b
where
a.ID=@ID and b.ID=a.parentID
end
set @ret=stuff(@ret,1,1,'')
return @ret
end
go--执行查询
select ID,isnull(dbo.f_getParent(ID),'') as parentID from BOM
go--输出结果
/*
ID parentID
----------- ----------------------------------------
1
2 1
3 1,2
4 1,2,3
5 1
*/--删除测试数据
drop function f_getParent
drop table BOM
go
标题:SQL SERVER 2000中查询指定节点及其所有子节点的函数(字符串形式显示)
作者:爱新觉罗?毓华(十八年风雨,守得冰山雪莲花开)
时间:2010-02-02
地点:新疆乌鲁木齐
*/--生成测试数据
create table tb(id varchar(3) , pid varchar(3) , name varchar(10))
insert into tb values('001' , null , '广东省')
insert into tb values('002' , '001' , '广州市')
insert into tb values('003' , '001' , '深圳市')
insert into tb values('004' , '002' , '天河区')
insert into tb values('005' , '003' , '罗湖区')
insert into tb values('006' , '003' , '福田区')
insert into tb values('007' , '003' , '宝安区')
insert into tb values('008' , '007' , '西乡镇')
insert into tb values('009' , '007' , '龙华镇')
insert into tb values('010' , '007' , '松岗镇')
go--创建用户定义函数
create function f_cid(@id varchar(10)) returns varchar(8000)
as
begin
declare @i int , @ret varchar(8000)
declare @t table(id varchar(10) , pid varchar(10) , level int)
set @i = 1
insert into @t select id , pid , @i from tb where id = @id
while @@rowcount <> 0
begin
set @i = @i + 1
insert into @t select a.id , a.pid , @i from tb a , @t b where a.pid = b.id and b.level = @i - 1
end
select @ret = isnull(@ret , '') + id + ',' from @t
return left(@ret , len(@ret) - 1)
end
go --执行查询
select id , children = isnull(dbo.f_cid(id) , '') from tb group by iddrop table tb
drop function f_cid/*
id children
---- ---------------------------------------
001 001,002,003,004,005,006,007,008,009,010
002 002,004
003 003,005,006,007,008,009,010
004 004
005 005
006 006
007 007,008,009,010
008 008
009 009
010 010(所影响的行数为 10 行)
*//*
标题:SQL SERVER 2005中查询指定节点及其所有子节点的方法(字符串形式显示)
作者:爱新觉罗?毓华(十八年风雨,守得冰山雪莲花开)
时间:2010-02-02
地点:新疆乌鲁木齐
*/create table tb(id varchar(3) , pid varchar(3) , name nvarchar(10))
insert into tb values('001' , null , N'广东省')
insert into tb values('002' , '001' , N'广州市')
insert into tb values('003' , '001' , N'深圳市')
insert into tb values('004' , '002' , N'天河区')
insert into tb values('005' , '003' , N'罗湖区')
insert into tb values('006' , '003' , N'福田区')
insert into tb values('007' , '003' , N'宝安区')
insert into tb values('008' , '007' , N'西乡镇')
insert into tb values('009' , '007' , N'龙华镇')
insert into tb values('010' , '007' , N'松岗镇')
go;with t as
(
select id , cid = id from tb
union all
select t.id , cid = tb.id
from t join tb on tb.pid = t.cid
)
select id , cid = STUFF((SELECT ',' + rtrim(cid) FROM t WHERE id = tb.id FOR XML PATH('')) , 1 , 1 , '')
from tb
group by id
order by id
/*
id cid
---- ---------------------------------------
001 001,002,003,005,006,007,008,009,010,004
002 002,004
003 003,005,006,007,008,009,010
004 004
005 005
006 006
007 007,008,009,010
008 008
009 009
010 010(10 行受影响)
*/;with t as
(
select id , name , cid = id , path = cast(name as nvarchar(100)) from tb
union all
select t.id , t.name , cid = tb.id , path = cast(tb.name as nvarchar(100))
from t join tb on tb.pid = t.cid
)
select id , name ,
cid = STUFF((SELECT ',' + rtrim(cid) FROM t WHERE id = tb.id FOR XML PATH('')) , 1 , 1 , ''),
path = STUFF((SELECT ',' + path FROM t WHERE id = tb.id FOR XML PATH('')) , 1 , 1 , '')
from tb
group by id , name
order by id
/*
id name cid path
---- ---------- ------------------------------------------- ---------------------------------------------------------------------
001 广东省 001,002,003,005,006,007,008,009,010,004 广东省,广州市,深圳市,罗湖区,福田区,宝安区,西乡镇,龙华镇,松岗镇,天河区
002 广州市 002,004 广州市,天河区
003 深圳市 003,005,006,007,008,009,010 深圳市,罗湖区,福田区,宝安区,西乡镇,龙华镇,松岗镇
004 天河区 004 天河区
005 罗湖区 005 罗湖区
006 福田区 006 福田区
007 宝安区 007,008,009,010 宝安区,西乡镇,龙华镇,松岗镇
008 西乡镇 008 西乡镇
009 龙华镇 009 龙华镇
010 松岗镇 010 松岗镇(10 行受影响)
*/drop table tb
-- Author : HappyFlyStone
-- Date : 2010-10-07
-- Version: Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (Intel X86)
-- Mar 29 2009 10:27:29
-- Copyright (c) 1988-2008 Microsoft Corporation
-- Enterprise Edition on Windows NT 5.2 <X86> (Build 3790: Service Pack 2)
--
-------------------------------------------------------------------------- Test Data: ta
IF OBJECT_ID('[ta]') IS NOT NULL
DROP TABLE [ta]
Go
CREATE TABLE ta([th] NVARCHAR(1),[zth] NVARCHAR(1))
Go
INSERT INTO ta
SELECT 'a','b' UNION ALL
SELECT 'a','f' UNION ALL
SELECT 'b','c' UNION ALL
SELECT 'b','d' UNION ALL
SELECT 'c','e' UNION ALL
SELECT 'x','g' UNION ALL
SELECT 'g','i' UNION ALL
SELECT 'g','h' UNION ALL
SELECT 'h','d'
GO
--Start
with cte
AS
(
select 1 as rid,* from ta where zth = 'd'
union all
select case when exists(select 1 from ta where zth = a.th) then 1 else 0 end, a.* from ta a,cte b where a.zth = b.th
)
select th,zth from cte
where rid = 0
--Result:
/*
th zth
---- ----
x g
a b(2 行受影响)*/
--End
(
Department nvarchar(50),--部门名称
ParentDept nvarchar(50),--上级部门
DepartManage nvarchar(30)--部门经理
)
insert into #EnterPrise select '技术部','总经办','Tom'
insert into #EnterPrise select '商务部','总经办','Jeffry'
insert into #EnterPrise select '商务一部','商务部','ViVi'
insert into #EnterPrise select '商务二部','商务部','Peter'
insert into #EnterPrise select '程序组','技术部','GiGi'
insert into #EnterPrise select '设计组','技术部','yoyo'
insert into #EnterPrise select '专项组','程序组','Yue'
insert into #EnterPrise select '总经办','','Boss'
--查询部门经理是Tom的下面的部门名称
;with hgo as
(
select *,0 as rank from #EnterPrise where DepartManage='Tom'
union all
select h.*,h1.rank+1 from #EnterPrise h join hgo h1 on h.ParentDept=h1.Department
)
select * from hgo
/*
Department ParentDept DepartManage rank
--------------- -------------------- ----------------------- -----------
技术部 总经办 Tom 0
程序组 技术部 GiGi 1
设计组 技术部 yoyo 1
专项组 程序组 Yue 2
*/
--查询部门经理是GiGi的上级部门名称
;with hgo as
(
select *,0 as rank from #EnterPrise where DepartManage='GiGi'
union all
select h.*,h1.rank+1 from #EnterPrise h join hgo h1 on h.Department=h1.ParentDept
)
select * from hgo
/*
Department ParentDept DepartManage rank
-------------------- ---------------------- ----------- -----------
程序组 技术部 GiGi 0
技术部 总经办 Tom 1
总经办 Boss 2
*/本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/ws_hgo/archive/2010/01/31/5274571.aspx
create table BOM(ID int,parentID int,sClassName varchar(10))
insert into BOM values(1,0,'1111' )
insert into BOM values(2,1,'1111_1' )
insert into BOM values(3,2,'1111-1-1' )
insert into BOM values(4,3,'1111-1-1-1')
insert into BOM values(5,1,'1111-2' )declare @i nvarchar(50);
with tb as(
select * from bom where id=4
union all
select a.* from bom a,tb b where a.id=b.parentID
)
select @i=(select ','+ltrim(str(id)) from tb order by id for xml path(''))
print stuff(@i,1,1,'')
/*结果*/
1,2,3,4