select top 10 wid, stuff( (select ','+convert(varchar(25), rwid) from CombineBuying as t2 where t2.wid = t1.wid FOR XML PATH('')), 1, 1, '' ) as rwids from CombineBuying as t1 where t1.wid = '1003376649' group by wid
结果:
wid | rwid |
1003376649 | 214474,187698,188549,259662,187701,209419,301721,187678,160848,212992,187248 |