WTH统计

SELECT t2.MasterName AS '类型',SUM(t1.DailyCount) AS '数量',
(CASE T2.MasterName
WHEN '电子阅读' THEN '篇'
WHEN '内线跟团活动' THEN '公里'
END) AS '单位'
FROM T_DailyRecord t1
LEFT JOIN SysCore t2 ON t1.DailyType = t2.MasterID and t2.MasterType ='DailyType'
GROUP BY t1.DailyType,t2.MasterName