日期:2014-05-18  浏览次数:20543 次

求教下这个SQL 怎么实现排序
我是在.net 版块http://topic.csdn.net/u/20120704/15/fde6f34d-8b3c-4094-a378-23d755518aaa.html?8077
看到的,发现自己也不会写,求大牛指点下 这个SQL怎么写,我想过 row_number() over partition by 发现这个函数
只分了一次组排序,这个应该需要分2次组排序吧,一时感兴趣,自己也弄不出来求大牛 指教.
id name type date
1 jim 1 2012-02-01
2 bob 1 2012-02-01
3 bob 1 2012-02-01
n jim 1 2012-02-02
n bob 1 2012-02-02
4 jim 2 2012-02-01
5 bob 2 2012-02-01
6 bob 2 2012-02-01
n jim 2 2012-02-02
n bob 2 2012-02-02
7 bob 3 2012-02-01
8 bob 3 2012-02-01
9 bob 3 2012-02-01
n jim 3 2012-02-02
n bob 3 2012-02-02


我想处理成。

1 jim 1 2012-02-01
4 jim 2 2012-02-01
7 bob 3 2012-02-01
2 bob 1 2012-02-01
5 bob 2 2012-02-01
8 bob 3 2012-02-01
3 bob 1 2012-02-01
6 bob 2 2012-02-01
9 bob 3 2012-02-01


补充下。。。是这样

------解决方案--------------------
SQL code

--> 测试数据:[test]
if object_id('[test]') is not null drop table [test]
create table [test](
[id] varchar(1),
[name] varchar(3),
[type] int,
[date] datetime
)
insert [test]
select '1','jim',1,'2012-02-01' union all
select '2','bob',1,'2012-02-01' union all
select '3','bob',1,'2012-02-01' union all
select 'n','jim',1,'2012-02-02' union all
select 'n','bob',1,'2012-02-02' union all
select '4','jim',2,'2012-02-01' union all
select '5','bob',2,'2012-02-01' union all
select '6','bob',2,'2012-02-01' union all
select 'n','jim',2,'2012-02-02' union all
select 'n','bob',2,'2012-02-02' union all
select '7','bob',3,'2012-02-01' union all
select '8','bob',3,'2012-02-01' union all
select '9','bob',3,'2012-02-01' union all
select 'n','jim',3,'2012-02-02' union all
select 'n','bob',3,'2012-02-02'

select * from (
select *,px=ROW_NUMBER()over(partition by [type]order by id)
from test 
where [id]<>'n')t
order by px,[type]
/*
id    name    type    date    px
1    jim    1    2012-02-01 00:00:00.000    1
4    jim    2    2012-02-01 00:00:00.000    1
7    bob    3    2012-02-01 00:00:00.000    1
2    bob    1    2012-02-01 00:00:00.000    2
5    bob    2    2012-02-01 00:00:00.000    2
8    bob    3    2012-02-01 00:00:00.000    2
3    bob    1    2012-02-01 00:00:00.000    3
6    bob    2    2012-02-01 00:00:00.000    3
9    bob    3    2012-02-01 00:00:00.000    3
*/

------解决方案--------------------
SQL code
--> 测试数据:[tb]
IF OBJECT_ID('[tb]') IS NOT NULL DROP TABLE [tb]
GO 
CREATE TABLE [tb]([id] VARCHAR(1),[name] VARCHAR(3),[type] INT,[date] DATETIME)
INSERT [tb]
SELECT '1','jim',1,'2012-02-01' UNION ALL
SELECT '2','bob',1,'2012-02-01' UNION ALL
SELECT '3','bob',1,'2012-02-01' UNION ALL
SELECT 'n','jim',1,'2012-02-02' UNION ALL
SELECT 'n','bob',1,'2012-02-02' UNION ALL
SELECT '4','jim',2,'2012-02-01' UNION ALL
SELECT '5','bob',2,'2012-02-01' UNION ALL
SELECT '6','bob',2,'2012-02-01' UNION ALL
SELECT 'n','jim',2,'2012-02-02' UNION ALL
SELECT 'n','bob',2,'2012-02-02' UNION ALL
SELECT '7','bob',3,'2012-02-01' UNION ALL
SELECT '8','bob',3,'2012-02-01' UNION ALL
SELECT '9','bob',3,'2012-02-01' UNION ALL
SELECT 'n','jim',3,'2012-02-02' UNION ALL
SELECT 'n','bob',3,'2012-02-02'
--------------开始查询--------------------------

SELECT * FROM [tb] ORDER BY [date],[name] DESC ,type
----------------结果----------------------------
/* 
id   name type        date
---- ---- ----------- -----------------------
1    jim  1           2012-02-01 00:00:00.000
4    jim  2           2012-02-01 00:00:00.000
2    bob  1           2012-02-01 00:00:00.000
3    bob  1           2012-02-01 00:00:00.000
5    bob  2           2012-02-01 00:00:00.000
6    bob  2           2012-02-01 00:00:00.000
7    bob  3           2012-02-01 00:00:00.000
8    bob  3           2012-02-01 00:00:00.000
9    bob  3           2012-02-01 00:00:00.000
n    jim  1           2012-02-02 00:00:00.000
n    jim  2           2012-02-02 00:00:00.000
n    jim  3