mySQL中的GroupBySum？

我的表格如下：

DeviceNumber  PayWay  Money

   000001       A       1
   000002       B       2
   000001       A       1
   000001       B       1.2
   000002       A       2.6

我想得到结果：

   DeviceNumber  Total   A      B
     000001      3.2    2      1.2
     000002      4.6    2.6    2

有没有sql来实现这一点？多谢各位

SELECT DeviceNumber,  SUM(CASE WHEN PayWay='A' THEN Money  END) A,
SUM(CASE WHEN PayWay='B' THEN Money END) B,SUM(Money) TOTAL FROM TABLE
GROUP BY DeviceNumber  

您可以尝试上面的查询

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您可以尝试上面的查询。

是的，您可以像这样使用SUM和CASE

SELECT DeviceNumber,sum(money) as Total,
    SUM(
        CASE 
            WHEN PayWay='A' THEN Money ELSE 0
        END) as A,
    SUM(
        CASE 
            WHEN PayWay='B' THEN Money ELSE 0
        END) as B
FROM MyTable
GROUP BY DeviceNumber
ORDER BY DeviceNumber

---

是的，你可以这样使用SUM和CASE

SELECT DeviceNumber,sum(money) as Total,
    SUM(
        CASE 
            WHEN PayWay='A' THEN Money ELSE 0
        END) as A,
    SUM(
        CASE 
            WHEN PayWay='B' THEN Money ELSE 0
        END) as B
FROM MyTable
GROUP BY DeviceNumber
ORDER BY DeviceNumber