数据源表fName fItemID fParentID fQua fTypeID
A 35 14 57 1
A 35 14 21 2
A 35 14 67 3
A 35 14 39 4
B 54 14 8 2
C 55 14 9 2
A1 56 35 74 1
A1 56 35 10 2
A1 56 35 50 3
A2 58 35 3 1
A2 58 35 5 2
A2 58 35 32 3
A2 58 35 10 4
A2 58 35 5 99
A3 59 35 16 1
A3 59 35 7 2
A3 59 35 27 3
A3 59 35 7 4
A4 60 35 14 100
C1 62 55 2 2出来结果如下:fName fTypeID1 fTypeID2 fTypeID3 fTypeID4 fTypeID99 fTypeID100
A 类型为1的各子级和本级数量相加(57+74+3+16)
B 类型为1的各子级和本级数量相加
C 类型为1的各子级和本级数量相加
A 35 14 57 1
A 35 14 21 2
A 35 14 67 3
A 35 14 39 4
B 54 14 8 2
C 55 14 9 2
A1 56 35 74 1
A1 56 35 10 2
A1 56 35 50 3
A2 58 35 3 1
A2 58 35 5 2
A2 58 35 32 3
A2 58 35 10 4
A2 58 35 5 99
A3 59 35 16 1
A3 59 35 7 2
A3 59 35 27 3
A3 59 35 7 4
A4 60 35 14 100
C1 62 55 2 2出来结果如下:fName fTypeID1 fTypeID2 fTypeID3 fTypeID4 fTypeID99 fTypeID100
A 类型为1的各子级和本级数量相加(57+74+3+16)
B 类型为1的各子级和本级数量相加
C 类型为1的各子级和本级数量相加
--> -->
if not object_id('Tempdb..#T') is null
drop table #T
Go
Create table #T([fName] nvarchar(2),[fItemID] int,[fParentID] int,[fQua] int,[fTypeID] int)
Insert #T
select N'A',35,14,57,1 union all
select N'A',35,14,21,2 union all
select N'A',35,14,67,3 union all
select N'A',35,14,39,4 union all
select N'B',54,14,8,2 union all
select N'C',55,14,9,2 union all
select N'A1',56,35,74,1 union all
select N'A1',56,35,10,2 union all
select N'A1',56,35,50,3 union all
select N'A2',58,35,3,1 union all
select N'A2',58,35,5,2 union all
select N'A2',58,35,32,3 union all
select N'A2',58,35,10,4 union all
select N'A2',58,35,5,99 union all
select N'A3',59,35,16,1 union all
select N'A3',59,35,7,2 union all
select N'A3',59,35,27,3 union all
select N'A3',59,35,7,4 union all
select N'A4',60,35,14,100 union all
select N'C1',62,55,2,2
Go
;with CTE as
(
Select *,fName2=fName from #T a where not exists(select 1 from #T where a.[fParentID]=[fItemID]) and [fTypeID]=1
union all
select a.*,b.fName2 from #T a join CTE b on a.[fParentID]=b.[fItemID] and a.[fTypeID]=b.[fTypeID]
)
select fName2 as fName,sum([fQua])[fQua] from CTE group by fName2
fName fQua
----- -----------
A 150(1 個資料列受到影響)
标题:查询指定节点及其所有子节点的函数
作者:爱新觉罗.毓华(十八年风雨,守得冰山雪莲花开)
时间:2008-05-12
地点:广东深圳
*/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--查询指定节点及其所有子节点的函数
create function f_cid(@ID varchar(3)) returns @t_level table(id varchar(3) , level int)
as
begin
declare @level int
set @level = 1
insert into @t_level select @id , @level
while @@ROWCOUNT > 0
begin
set @level = @level + 1
insert into @t_level select a.id , @level
from tb a , @t_Level b
where a.pid = b.id and b.level = @level - 1
end
return
end
go--调用函数查询001(广东省)及其所有子节点
select a.* from tb a , f_cid('001') b where a.id = b.id order by a.id
/*
id pid name
---- ---- ----------
001 NULL 广东省
002 001 广州市
003 001 深圳市
004 002 天河区
005 003 罗湖区
006 003 福田区
007 003 宝安区
008 007 西乡镇
009 007 龙华镇
010 007 松岗镇(所影响的行数为 10 行)
*/--调用函数查询002(广州市)及其所有子节点
select a.* from tb a , f_cid('002') b where a.id = b.id order by a.id
/*
id pid name
---- ---- ----------
002 001 广州市
004 002 天河区(所影响的行数为 2 行)
*/--调用函数查询003(深圳市)及其所有子节点
select a.* from tb a , f_cid('003') b where a.id = b.id order by a.id
/*
id pid name
---- ---- ----------
003 001 深圳市
005 003 罗湖区
006 003 福田区
007 003 宝安区
008 007 西乡镇
009 007 龙华镇
010 007 松岗镇(所影响的行数为 7 行)
*/drop table tb
drop function f_cid
其实,我想要出来的结果是:A 150 1
A 43 2
A 176 3
A 56 4
A 5 99
A 14 100
B 8 2
C 11 2使用你提供的语句,我改造了一下:with CTE as
(
Select *,fName2=fName from #T a where not exists(select 1 from #T where a.[fParentID]=[fItemID])
union all
select a.*,b.fName2 from #T a join CTE b on a.[fParentID]=b.[fItemID] and a.[fTypeID]=b.[fTypeID]
)
select fName2 as fName,sum([fQua])[fQua],fTypeID from CTE group by fName2,fTypeID order by fname,ftypeID
出来的结果是: A 150 1
A 43 2
A 176 3
A 56 4
B 8 2
C 11 2没有统计到A级下面,有两个fTypeID 为99,100 的数量(fqua) 丢失。
with CTE as
(
Select *,fName2=fName from #T a where not exists(select 1 from #T where a.[fParentID]=[fItemID])
union all
select a.*,b.fName2 from #T a join CTE b on a.[fParentID]=b.[fItemID]
)
select fName2 as fName,sum([fQua])[fQua],[fTypeID] from (select * from CTE union select * from cte) t group by fName2,[fTypeID] order by fName2,[fTypeID]/*
-----------------
A 150 1
A 43 2
A 176 3
A 56 4
A 5 99
A 14 100
B 8 2
C 11 2
*/