我有一张 table :
OC Period(MM/YYYY) Ing
CHO 04/01/2016 100
CHO 04/01/2016 200
CHO 04/01/2016 0
CFE 04/01/2016 400
CFE 04/01/2016 350
CFE 04/01/2016 0
我有一个像这样的 SQL 查询:
(SELECT OC,Ing FROM contacts c where ing > 0)
UNION ALL
(SELECT OC,Sum(Ing) FROM contacts c where ing = 0 Group by OC)
我想要得到这样的结果:
Ref Period(MM/YYYY) Ing
CHO 04/01/2016 100
CHO 04/01/2016 200
CHO 04/01/2016 300
CFE 04/01/2016 400
CFE 04/01/2016 350
CFE 04/01/2016 750
最佳答案
(SELECT c.OC, c.Period, c.Ing FROM contacts c where c.ing > 0)
UNION ALL
(SELECT c.OC, c.Period, Sum(c.Ing) AS Ing FROM contacts c Group by c.OC, c.Period)
如果需要对输出进行排序,可以将其包装在另一个 select from
语句中
关于mysql - 如何在mysql中对同一个表和sum(值)使用联合查询?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36513895/