查询数据同时，做批量更新操作

UPDATE BkFansNonMember2  SET  IsNoSage=1 WHERE Id IN(
  SELECT
   a.id
  FROM
   BkFansNonMember2  AS a,
   SageFansNonMember1 AS b
  WHERE
   a.OpenId = b.OpenId
  GROUP BY
   a.id
 )