22,210
社区成员
发帖
与我相关
我的任务
分享
if object_id('[tb]') is not null drop table [tb]
go
create table [tb]([ID] int,[NUM] int)
insert [tb]
select 1,1 union all
select 2,3 union all
select 3,2 union all
select 4,1 union all
select 5,4 union all
select 6,5 union all
select 7,3 union all
select 8,2 union all
select 9,1 union all
select 10,1
go
--select * from [tb]
with szx as
(
select *,path=cast(id as varchar(8000)),total=num from tb
union all
select b.id,b.num,a.path+'-'+rtrim(b.id),a.total+b.num
from szx a join tb b on a.id<b.id and a.total<15
)
select id,num from tb,(select top 1 path from szx where total=15 order by newid()) a
where charindex('-'+rtrim(id)+'-','-'+path+'-')>0