有一个表
ID ParentId
------------------------------------
1 -1
2 1
3 1
4 2
5 2
6 3
7 3
8 7
9 7
10 7这个表的数据表示了一个树形结构
|--4
|--2---|
1---| |--5
|
| |--6
|--3---|
| |--8
|--7--|--9
|--10现在的问题是这样的,我把树形里选中的叶子结点,以字符串的形式传给存储过程
在存储过程里实现以下的功能:
如果我选中的是8,9,10,那么最终需要的结点是7,因为7所有的子节点都被选中了
如果我选中的是4,5,8,9,那么最终需要的结点是2,8,9,因为2的子节点都被选中了,但是7的子节点中10未被选中,所以只能单独存储8,9我现在就需要在一个存储过程里处理传进来的已经选择的末级子节点,按照上面的规则生成出最终的结点数据
请问该怎么处理,谢谢
ID ParentId
------------------------------------
1 -1
2 1
3 1
4 2
5 2
6 3
7 3
8 7
9 7
10 7这个表的数据表示了一个树形结构
|--4
|--2---|
1---| |--5
|
| |--6
|--3---|
| |--8
|--7--|--9
|--10现在的问题是这样的,我把树形里选中的叶子结点,以字符串的形式传给存储过程
在存储过程里实现以下的功能:
如果我选中的是8,9,10,那么最终需要的结点是7,因为7所有的子节点都被选中了
如果我选中的是4,5,8,9,那么最终需要的结点是2,8,9,因为2的子节点都被选中了,但是7的子节点中10未被选中,所以只能单独存储8,9我现在就需要在一个存储过程里处理传进来的已经选择的末级子节点,按照上面的规则生成出最终的结点数据
请问该怎么处理,谢谢
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 2000中查询指定节点及其所有父节点的函数(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
*//*
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--查询各节点的父路径函数
create function f_pid(@id varchar(3)) returns varchar(100)
as
begin
declare @re_str as varchar(100)
set @re_str = ''
select @re_str = name from tb where id = @id
while exists (select 1 from tb where id = @id and pid is not null)
begin
select @id = b.id , @re_str = b.name + ',' + @re_str from tb a , tb b where a.id = @id and a.pid = b.id
end
return @re_str
end
goselect * , dbo.f_pid(id) 路径 from tb order by iddrop table tb
drop function f_pid/*
id pid name 路径
---- ---- ---------- ---------------------------
001 NULL 广东省 广东省
002 001 广州市 广东省,广州市
003 001 深圳市 广东省,深圳市
004 002 天河区 广东省,广州市,天河区
005 003 罗湖区 广东省,深圳市,罗湖区
006 003 福田区 广东省,深圳市,福田区
007 003 宝安区 广东省,深圳市,宝安区
008 007 西乡镇 广东省,深圳市,宝安区,西乡镇
009 007 龙华镇 广东省,深圳市,宝安区,龙华镇
010 007 松岗镇 广东省,深圳市,宝安区,松岗镇(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
/*
标题:SQL SERVER 2005中查询指定节点及其所有父节点的方法(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 , pid = id from tb
union all
select t.id , pid = tb.pid
from t join tb on tb.id = t.pid
)
select id , pid = STUFF((SELECT ',' + pid FROM t WHERE id = tb.id FOR XML PATH('')) , 1 , 1 , '')
from tb
group by id
order by id
/*
id pid
---- -------------
001 001
002 002,001
003 003,001
004 004,002,001
005 005,003,001
006 006,003,001
007 007,003,001
008 008,007,003,001
009 009,007,003,001
010 010,007,003,001(10 行受影响)
*/;with t as
(
select id , name , pid = id , path = cast(name as nvarchar(100)) from tb
union all
select t.id , t.name , pid = tb.pid , path = cast(tb.name as nvarchar(100))
from t join tb on tb.id = t.pid
)
select id , name ,
pid = STUFF((SELECT ',' + pid 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 pid path
---- ---------- ----------------- -------------------------------
001 广东省 001 广东省,广东省
002 广州市 002,001 广州市,广州市,广东省
003 深圳市 003,001 深圳市,深圳市,广东省
004 天河区 004,002,001 天河区,天河区,广州市,广东省
005 罗湖区 005,003,001 罗湖区,罗湖区,深圳市,广东省
006 福田区 006,003,001 福田区,福田区,深圳市,广东省
007 宝安区 007,003,001 宝安区,宝安区,深圳市,广东省
008 西乡镇 008,007,003,001 西乡镇,西乡镇,宝安区,深圳市,广东省
009 龙华镇 009,007,003,001 龙华镇,龙华镇,宝安区,深圳市,广东省
010 松岗镇 010,007,003,001 松岗镇,松岗镇,宝安区,深圳市,广东省(10 行受影响)
*/;with t as
(
select id , name , pid = id , path = cast(name as nvarchar(100)) from tb
union all
select t.id , t.name , pid = tb.pid , path = cast(tb.name as nvarchar(100))
from t join tb on tb.id = t.pid
)
--不知道为什么上面的path中多一个name?
select id , name , pid , path = substring(path , charindex(',' , path) + 1 , len(path)) from
(
select id , name ,
pid = STUFF((SELECT ',' + pid 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
) m
order by id
/*
id name pid path
---- ---------- ----------------- -------------------------------
001 广东省 001 广东省
002 广州市 002,001 广州市,广东省
003 深圳市 003,001 深圳市,广东省
004 天河区 004,002,001 天河区,广州市,广东省
005 罗湖区 005,003,001 罗湖区,深圳市,广东省
006 福田区 006,003,001 福田区,深圳市,广东省
007 宝安区 007,003,001 宝安区,深圳市,广东省
008 西乡镇 008,007,003,001 西乡镇,宝安区,深圳市,广东省
009 龙华镇 009,007,003,001 龙华镇,宝安区,深圳市,广东省
010 松岗镇 010,007,003,001 松岗镇,宝安区,深圳市,广东省(10 行受影响)
*/drop table tb
Author:sql_lover
Date:2010-10-25 10:26:29.953
Function: Find the all_nodes nodes by given nodes
=================================*//*Create Tables*/
if (OBJECT_ID('tree') is not null)
drop table hotel_count
create table tree(id int,parentid int)insert into tree
select 1, -1 union all
select 2, 1 union all
select 3, 1 union all
select 4, 2 union all
select 5, 2 union all
select 6, 3 union all
select 7, 3 union all
select 8, 7 union all
select 9, 7 union all
select 10, 7
Go/*Create Function Reference up,The Function to achieve all the children*/
alter 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 , parentid , @i from tree where id = @id
while @@rowcount <> 0
begin
set @i = @i + 1
insert into @t select a.id , a.parentid , @i from tree a , @t b where a.parentid = b.id and b.level = @i - 1
end
select @ret = isnull(@ret , '') + id + ',' from @t where id<>@id
return left(@ret , len(@ret) - 1)
end
Go /*Create View for Procedure*/
create view view_chiledren as
select id , isnull(dbo.f_cid(id) , '') children from tree group by id
Go/*Create The Main Proc*/
Create proc fetch_contain_nodes @enodes varchar(1000)
as
begin
declare @str varchar(1000)
set @str=''
create table #1(id int)while(CHARINDEX(',',@enodes)>0)
begin
insert into #1 select cast(substring(@enodes,1,CHARINDEX(',',@enodes)-1) as int)
select @enodes=substring(@enodes,CHARINDEX(',',@enodes)+1,len(@enodes))
end
insert into #1 select cast(@enodes as int)
select @str=@str+str(id)+',' from #1 order by id
select @str=replace(LEFT(@str,LEN(@str)-1),' ','')
delete from #1
declare @newstr varchar(1000)
set @newstr=''
declare @count int
declare @id int
declare @children varchar(1000)
set @children=''create table #2(id int,children varchar(1000))
insert into #2 select id,children from view_chiledren where children<>'' and charindex(children,@str)>0select @count=COUNT(1) from #2
while(@count>0)
begin
select top 1 @id=id,@children=children from #2
select @newstr=@newstr+str(@id)+','
select @str=replace(@str,@children,'')
delete from #2 where id=@id
select @count=@count-1
enddrop table #2
declare @result varchar(1000)
select @result=@newstr+@str
while(CHARINDEX(',', @result)>0)
begin
insert into #1 select cast(substring(@result,1,CHARINDEX(',', @result)-1) as int)
select @result=substring(@result,CHARINDEX(',',@result)+1,len(@result))
end
insert into #1 select CAST(@result as int)
delete from #1 where id =''
select distinct id as allnodes from #1
drop table #1
end
Go/*Test*/
exec fetch_contain_nodes '1,2,3,4,5,8,9'
Go/*Result*/
/*================================
allnodes
-----------
1
2
3
8
9
=================================*/
insert into ta values('1','-1')
insert into ta values('2','1')
insert into ta values('3','1')
insert into ta values('4','2')
insert into ta values('5','2')
insert into ta values('6','3')
insert into ta values('7','4')
insert into ta values('8','7')
insert into ta values('9','7')
insert into ta values('10','7')
-- 情况1
--;
--with ctea as(
--select parentid,COUNT(id) idcount
--from ta where parentid in (--select parentid from ta where id in (8,9,10)
--) group by parentid
--),
--cteb as(
--select parentid,COUNT(id) idcount from ta where id in (8,9,10) group by parentid
--)
--select cteb.parentid id
--from ctea inner join cteb on ctea.parentid=cteb.parentid and ctea.idcount=cteb.idcount
--union
--select ta.id
--from ctea inner join cteb on ctea.parentid=cteb.parentid and ctea.idcount<>cteb.idcount
--inner join ta on ta.parentid=ctea.parentid and ta.id in (8,9,10)
;
-- 情况2
with ctea as(
select parentid,COUNT(id) idcount
from ta where parentid in (select parentid from ta where id in (8,9,4,5)
) group by parentid
),
cteb as(
select parentid,COUNT(id) idcount from ta where id in (8,9,4,5) group by parentid
)
select cteb.parentid id
from ctea inner join cteb on ctea.parentid=cteb.parentid and ctea.idcount=cteb.idcount
union
select ta.id
from ctea inner join cteb on ctea.parentid=cteb.parentid and ctea.idcount<>cteb.idcount
inner join ta on ta.parentid=ctea.parentid and ta.id in (8,9,4,5)drop table ta /**
ID
---
2
8
9(3 行受影响)
**/
create table tree(id int, parentid int)
insert into tree
select 1, -1 union all
select 2, 1 union all
select 3, 1 union all
select 4, 2 union all
select 5, 2 union all
select 6, 3 union all
select 7, 3 union all
select 8, 7 union all
select 9, 7 union all
select 10, 7--建函数
if object_id('getnode','TF') is not null
drop function getnode
gocreate function getnode(@s varchar(1000))
returns @tb table(id int)
as
begin
declare @temptb table(id int, parentid int) insert @tb
select SUBSTRING(@s,number,CHARINDEX(',',@s+',',number+1)-number)
from master..spt_values
where CHARINDEX(',',','+@s,number) = number AND type = 'P' while @@rowcount <> 0
begin
delete @temptb ;with t1 as
(
select a.id,a.parentid,b.id as bid
from tree a left join (
select a.id,b.parentid from @tb a join tree b on a.id = b.id
) b on a.parentid = b.parentid and a.id = b.id
)
insert into @temptb
select id,parentid from t1 a where not exists(select 1 from t1 where parentid = a.parentid and bid is null) delete @tb where id in (select id from @temptb)
insert @tb select distinct parentid from @temptb
end return
end--执行
select * from getnode('4,5,8,9')
/*
id
-----------
2
8
9(3 行受影响)
*/select * from getnode('6,8,9,10')
/*
id
-----------
3(1 行受影响)
*/
create table tree(id int, parentid int)
insert into tree
select 1, -1 union all
select 2, 1 union all
select 3, 1 union all
select 4, 2 union all
select 5, 2 union all
select 6, 3 union all
select 7, 3 union all
select 8, 7 union all
select 9, 7 union all
select 10, 7--建函数
if object_id('getnode','TF') is not null
drop function getnode
gocreate function getnode(@s varchar(1000))
returns @tb table(id int)
as
begin
declare @temptb table(id int, parentid int)insert @tb
select SUBSTRING(@s,number,CHARINDEX(',',@s+',',number+1)-number)
from master..spt_values
where CHARINDEX(',',','+@s,number) = number AND type = 'P'while @@rowcount <> 0
begin
delete @temptb ;with t1 as
(
select a.id,a.parentid,b.id as bid
from tree a left join (
select a.id,b.parentid from @tb a join tree b on a.id = b.id
) b on a.parentid = b.parentid and a.id = b.id
)insert into @temptb
select id,parentid from t1 a where not exists(select 1 from t1 where parentid = a.parentid and bid is null)delete @tb where id in (select id from @temptb)
insert @tb select distinct parentid from @temptb
endreturn
end--执行
select * from getnode('4,5,8,9')
/*
id
-----------
2
8
9(3 行受影响)
*/select * from getnode('6,8,9,10')
/*
id
-----------
3(1 行受影响)
*/