davinci sql表达式可以用字段运算

SELECT 
T.dept_one as "用户对象",
AVG((
  CASE
     WHEN  (server_time >=toDate($g$)) THEN
   member_count
  ELSE
   NULL
    end
 )) as "总人数",
COUNT((
  CASE
    WHEN (fun_code='1011010001') THEN
  fun_code
  ELSE    
   NULL
  end
)) as "总注册量",
COUNT((
  CASE
    WHEN (fun_code='1011010001' and server_time >=toDate($g$)) THEN
  fun_code
  ELSE
   NULL
  end
)) as "当日注册量",
COUNT((
  CASE
    WHEN (is_month='1') THEN
  is_month
  ELSE
   NULL
  end
)) as "月活账号数量",
COUNT((
  CASE
    WHEN (is_week='1') THEN
  is_week
  ELSE
   NULL
  end
)) as "周活账号数量",$fff$

FROM  
(SELECT m.*, s.event_property_code,s.event_property_value FROM cms.daily_new_clientrpt_master m LEFT JOIN cms.daily_new_clientrpt_slave s on m.event_id= s.event_id ) T    GROUP BY "用户对象" ;