http://golang.org/s/better-linker
The original linker was also simpler than it is now and its implementation fit in one Turing award winner’s head, so ......
select @csum := 0;select create_time,merchant_id,award as 奖励,total_count as 数量,(@csum := @csum + award*total_count) as 累计 FROM aty_award_task wh ......