表 tp_v_every_company结构:
测试数据:
实现代码:
SELECT comid,
time,
money, s_money,
IF(@no1 = no1, @money := @money, @money := s_money) AS s_sal,
@no1 := no1
FROM(
SELECT comid,
time,
money,
IF(@no1 = comid, @money := @money + money, @money := money) AS s_money,
@no1 := comid AS no1
FROM (SELECT @money := 0, @no1:= 0) a, tp_v_every_company t
ORDER BY no1, TIME
)a ORDER BY no1, TIME DESC
实现效果: