Question

我遇到的问题是将TOT_MGCV_USE_QTY分为60。我的英语不太好。伙计们帮我

COUNT(CASE
      WHEN SERVICE_TYPE IN (0, 100)
      AND TOT_MGCV_USE_QTY / 60
      THEN RECIPIENT END) AS MOC_VOICE_CHARGED_DURATION

Answer 1

根据提供的sql，以下是我的理解：您只希望在（0,100）中输入服务类型并且TOT_MGCV_USE_QTY除以60即表示接收者计数，即其余数为零... 如果是这种情况，则可以将需求用作where条件，如下所示...（可以根据需要在case语句中进行更改）

select count(receipient)
from  ...
...
where
....
service_type in (0,100)
and mod(TOT_MGCV_USE_QTY,60) = 0
....;

Answer 2

您尚未(TOT_MGCV_USE_QTY / 60)选中任何值

    COUNT (CASE
      WHEN SERVICE_TYPE IN (0, 100)
      AND (TOT_MGCV_USE_QTY / 60)=some_value
      THEN RECIPIENT END
      ) AS MOC_VOICE_CHARGED_DURATION

我会像下面那样重写您的查询

     sum (CASE
      WHEN SERVICE_TYPE IN (0, 100)
      AND (TOT_MGCV_USE_QTY / 60)=some_value
      THEN 1 else 0 END
      ) AS MOC_VOICE_CHARGED_DURATION

在这种情况下如何划分

2 个答案: