表排序问题存在以下一个表select0,1unionselect0,2unionselect0,3unionselect0,4unionselect1,0unionselec
表排序问题
存在以下一个表
select 0,1
union select 0,2
union select 0,3
union select 0,4
union select 1,0
union select 2,0
union select 3,0
union select 4,0
排序后要求变成
0,1
1,0
0,2
2,0
0,3
3,0
0,4
4,0
该怎么样做啊?感觉不可能实现阿
[解决办法]
--example
Select * from (
select 0 as ID1,1 as ID2
union select 0,2
union select 0,3
union select 0,4
union select 1,0
union select 2,0
union select 3,0
union select 4,0) as t
order by ID1+ID2,ID1
