Question

您好我有一张如下表所示的表格：

                  Table Name: Emails
    ID        |CreatedDate             |finalStatus
    115173922 |2013-04-09 12:33:23.234 |DELIVERED
    115123432 |2013-04-09 08:21:23.234 |FAILED
    115143212 |2013-04-09 12:24:23.234 |DELIVERED
    115173922 |2013-04-09 05:05:23.234 |DELIVERED
    111233922 |2013-04-10 12:44:23.234 |PENDING
    115123912 |2013-04-10 12:05:23.234 |DELIVERED
    115173922 |2013-04-11 22:09:23.234 |DELIVERED
    111233922 |2013-04-11 13:05:23.234 |PENDING
    115123912 |2013-04-11 05:23:23.234 |DELIVERED

我需要做的是获取当月每天的DELIVERED，FAILED和PENDING finalStatus的总金额。我试图修改人们在之前的答案中给出的MySQL代码，例如：SQL query for Calculating Total No. of Orders per Day?但是无法使其正常工作。

这是我到目前为止的代码：

    SELECT DISTINCT  (CAST(CreatedDate as DATE)) as Date,

    (SELECT COUNT(finalStatus)
    FROM [Emails]
    WHERE finalStatus = 'DELIVERED') AS Delivered,

    (SELECT COUNT(finalStatus)
    FROM [Emails]
    WHERE finalStatus = 'FAILED') AS Failed,

    (SELECT COUNT(finalStatus)
    FROM [Emails]
    WHERE finalStatus = 'PENDING') AS Pending

    FROM [Emails]
    GROUP BY (CAST(CreatedDate as DATE))

如果有人能帮助我那将是惊人的。我已经被困在这几个小时了，很快就会发疯...

Answer 1

由于这是SQL Server 2008，因此请仅使用CREATEDDATE将DATE投射到CAST()，

SELECT CAST(E.CreatedDate AS DATE) DateCreated,
       COUNT(case when E.finalStatus = 'DELIVERED' then 1 end) as DELIVERED,
       COUNT(case when E.finalStatus = 'FAILED' then 1 end) as FAILED,
       COUNT(case when E.finalStatus = 'PENDING' then 1 end) as PENDING
FROM    TableName E
GROUP   BY CAST(E.CreatedDate AS DATE)

http://www.sqlfiddle.com/#!3/dc195/4

Answer 2

我认为你需要这样的东西：

<强> DATENAME

select CAST(CreatedDate as DATE),
       sum(case when E.finalStatus = 'DELIVERED' then 1 else 0 end) as DELIVERED,
       sum(case when E.finalStatus = 'FAILED' then 1 else 0 end) as FAILED,
       sum(case when E.finalStatus = 'PENDING' then 1 else 0 end) as PENDING
from Emails E
where DATENAME(MONTH,E.CreatedDate)='your month name'
group by CAST(E.CreatedDate as DATE)

<强> SQL Fiddle

Answer 3

你可以像这样每个月不同：

SELECT year(datestart), month(datestart)
finalStatus,
COUNT(finalStatus)
FROM [Emails]
GROUP BY year(datestart), month(datestart),finalStatus

像这样分组比明确更快。

Answer 4

试试这个

 SELECT DISTINCT  (CAST(CreatedDate as DATE)) as Date,

    (SELECT COUNT(finalStatus)
    FROM [Emails] E1
    WHERE finalStatus = 'DELIVERED'  AND 
    CAST(E1.CreatedDate as DATE) = CAST(E.CreatedDate as DATE)) AS Delivered,

    (SELECT COUNT(finalStatus)
    FROM [Emails] E2
    WHERE finalStatus = 'FAILED' AND 
     CAST(E2.CreatedDate as DATE) = CAST(E.CreatedDate as DATE)) AS Failed,

    (SELECT COUNT(finalStatus)
    FROM [Emails] E3
    WHERE finalStatus = 'PENDING' AND 
     CAST(E3.CreatedDate as DATE) = CAST(E.CreatedDate as DATE)) AS Pending

    FROM [Emails] E
    GROUP BY (CAST(CreatedDate as DATE))

Answer 5

with daily_figures as
(
select 
 cast(CreatedDate as date) as CreatedDate,
 finalStatus,
 Count(*) as DayCount
From 
  EMails
Group 
  by cast(CreatedDate as date), FinalStatus
)
select * from daily_figures 
Where 
  datepart(month, CreatedDate) = 4 and
  datepart(year, CreatedDate) = 2013

取决于您的申请情况，您如何提供必要的年份。

Sql Fiddle

Answer 6

如果您只想获取有交易的日期，会忽略此答案，因为LUV和Skinny Pipes已经证明了。

考虑到您希望获得APRIL整个月的所有日期，您需要先为整个月APRIL生成一个日历表，然后将其与您的表联系起来。此查询使用递归CTE创建日历。

WITH April_Calendar
AS
(
  SELECT CAST('20130401' as datetime) AS [date]
  UNION ALL
  SELECT DATEADD(dd, 1, [date])
  FROM   April_Calendar
  WHERE  DATEADD(dd, 1, [date]) <= '20130430'
)
SELECT  a.[Date] DateCreated,
        COUNT(case when E.finalStatus = 'DELIVERED' then 1 end) as DELIVERED,
        COUNT(case when E.finalStatus = 'FAILED' then 1 end) as FAILED,
        COUNT(case when E.finalStatus = 'PENDING' then 1 end) as PENDING
FROM    April_Calendar a
        LEFT JOIN Emails E
            ON a.[date] = CAST(E.CreatedDate AS DATE)
GROUP   BY a.[Date]

SQLFiddle Demo

如何获得每天的总数

6 个答案: