只对老的数据进行更改
去除数据库的重复数据
标签：gre group 重复数 date str body div update min
去除数据库的重复数据
ptop_investrecord set delflag = 1 where id in (SELECT o.id from (SELECT uid,min(id) as id,count(uid) as num
from ptop_investrecord
where cid = 1578 and progress = 1 and comefrom = ‘5‘ AND delflag = 0 GROUP BY uid,flagname,money HAVING num >1) as o);