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--生成测试数据
create table BOM(ID VARCHAR(10),PID VARCHAR(10))
insert into BOM select 'a',NULL
insert into BOM select 'b','a'
insert into BOM select 'c','a'
insert into BOM select 'd','b'
insert into BOM select 'e','b'
insert into BOM select 'f','c'
insert into BOM select 'g','c'
go
--创建用户定义函数
create function f_getParent(@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 BOM where ID = @ID
while @@rowcount<>0
begin
set @i = @i + 1
insert into @t
select
a.ID,a.PID,@i
from
BOM a,@t b
where
a.ID=b.PID and b.Level = @i-1
end
select @ret = isnull(@ret,'')+'-'+ID from @t
set @ret=reverse(stuff(@ret,1,1,''))
return @ret
end
go
--执行查询
select ID,isnull(dbo.f_getParent(ID),'') as path from BOM group by ID
go
--输出结果
/*
ID path
---------- ------------
a a
b a-b
c a-c
d a-b-d
e a-b-e
f a-c-f
g a-c-g
*/
--删除测试数据
drop function f_getParent
drop table BOM
DECLARE @TB TABLE([id] INT, [Name] VARCHAR(1), [ParentID] INT)
INSERT @TB
SELECT 1, 'A', null UNION ALL
SELECT 2, 'B', 1 UNION ALL
SELECT 3, 'c', 2 UNION ALL
SELECT 4, 'd', 1 UNION ALL
SELECT 5, 'e', 2 UNION ALL
SELECT 6, 'f', 3
;WITH C AS
(
SELECT *,P=CAST(Name AS VARCHAR(8000)),LVL=1 FROM @TB WHERE id=6
UNION ALL
SELECT B.*,B.Name+'-'+P,LVL+1 FROM @TB AS B JOIN C ON B.id=C.ParentID
)
SELECT TOP 1 P FROM C ORDER BY LVL DESC
/*
A-B-c-f
*/
--生成测试数据
create table BOM(ID VARCHAR(10),PID VARCHAR(10))
insert into BOM select 'a',NULL
insert into BOM select 'b','a'
insert into BOM select 'c','a'
insert into BOM select 'd','b'
insert into BOM select 'e','b'
insert into BOM select 'f','c'
insert into BOM select 'g','c'
go
--创建用户定义函数
create function f_getParent(@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 BOM where ID = @ID
while @@rowcount<>0
begin
set @i = @i + 1
insert into @t
select
a.ID,a.PID,@i
from
BOM a,@t b
where
a.ID=b.PID and b.Level = @i-1
end
select @ret = isnull(@ret,'')+'-'+ID from @t
set @ret=reverse(stuff(@ret,1,1,''))
return @ret
end
go
--执行查询
select ID,isnull(dbo.f_getParent(ID),'') from BOM group by ID
go
--输出结果
/*
a a
b a-b
c a-c
d a-b-d
e a-b-e
f a-c-f
g a-c-g
*/
--删除测试数据
drop function f_getParent
drop table BOM
CREATE TABLE BOM(PID INT,ID INT)
INSERT INTO BOM SELECT 801,101
INSERT INTO BOM SELECT 801,102
INSERT INTO BOM SELECT 801,103
INSERT INTO BOM SELECT 801,601
INSERT INTO BOM SELECT 601,101
INSERT INTO BOM SELECT 601,105
INSERT INTO BOM SELECT 601,501
INSERT INTO BOM SELECT 501,106
INSERT INTO BOM SELECT 501,121
GO
CREATE FUNCTION F_GETROOT(@PID INT)
RETURNS INT
AS
BEGIN
DECLARE @ID INT
WHILE EXISTS(SELECT 1 FROM BOM WHERE ID=@PID)
BEGIN
SET @ID=@PID
SELECT @PID=PID FROM BOM WHERE ID=@ID
END
RETURN @PID
END
GO
SELECT PID=DBO.F_GETROOT(PID),ID FROM BOM
GO
/*
PID ID
----------- -----------
801 101
801 102
801 103
801 601
801 101
801 105
801 501
801 106
801 121
*/
DROP FUNCTION F_GETROOT
DROP TABLE BOM
GO
--生成测试数据
create table BOM_1(Item int,bom_head varchar(20),bom_child varchar(20),number int,products_attribute varchar(20))
insert into BOM_1 select 1 ,'A' ,'A1',1,'采购'
insert into BOM_1 select 2 ,'A' ,'A2',2,'生产'
insert into BOM_1 select 3 ,'A2','A3',3,'生产'
insert into BOM_1 select 4 ,'A2','A4',2,'采购'
insert into BOM_1 select 5 ,'A3','A5',2,'采购'
insert into BOM_1 select 6 ,'A3','A6',1,'采购'
insert into BOM_1 select 7 ,'B' ,'B1',1,'采购'
insert into BOM_1 select 8 ,'B' ,'B2',2,'生产'
insert into BOM_1 select 9 ,'B2','B3',3,'生产'
insert into BOM_1 select 10,'B2','B4',2,'采购'
insert into BOM_1 select 11,'B3','B5',2,'采购'
insert into BOM_1 select 12,'B3','B6',2,'采购'
go
--创建用户定义函数,用于取每个父节点下子节点的采购配置信息
create function f_stock(@bom_head varchar(20))
returns @t table(bom varchar(20),number int)
as
begin
declare @level int
declare @a table(bom varchar(20),number int,products_attribute varchar(20),[level] int)
set @level=1
if exists(select 1 from BOM_1 where bom_head=@bom_head)
insert into @a
select bom_child,number,products_attribute,@level
from BOM_1
where bom_head=@bom_head
while exists(select 1 from @a where [level]=@level and products_attribute='生产')
begin
set @level=@level+1
insert into @a(bom,number,products_attribute,[level])
select a.bom_child,a.number,a.products_attribute,@level
from BOM_1 a,@a b
where a.bom_head=b.bom and b.[level]=@level-1
end
insert into @t(bom,number) select bom,number from @a where products_attribute='采购'
return
end
go
--执行调用,取父节点'A'一个标准配置分解的采购信息及数量
select * from dbo.f_stock('A')
--生成测试数据
create table BOM(ID INT,PID INT,MSG VARCHAR(1000))
insert into BOM select 1,0,NULL
insert into BOM select 2,1,NULL
insert into BOM select 3,1,NULL
insert into BOM select 4,2,NULL
insert into BOM select 5,3,NULL
insert into BOM select 6,5,NULL
insert into BOM select 7,6,NULL
go
--创建用户定义函数用于取每个父节点下子节点的采购配置信息
create function f_getChild(@ID VARCHAR(10))
returns @t table(ID VARCHAR(10),PID VARCHAR(10),Level INT)
as
begin
declare @i int
set @i = 1
insert into @t select ID,PID,@i from BOM where PID = @ID
while @@rowcount<>0
begin
set @i = @i + 1
insert into @t
select
a.ID,a.PID,@i
from
BOM a,@t b
where
a.PID=b.ID and b.Level = @i-1
end
return
end
go
--执行查询
select ID from dbo.f_getChild(3)
go
--输出结果
/*
ID
----
5
6
7
*/
--删除测试数据
drop function f_getChild
drop table BOM
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