Sql server 你的意思是什么？你能详细说明我该如何使用它吗？哇，这非常有用！我已经在另一个版本中将您的代码转换为MS SQL Server，我非常确定您已经完成了我需要的工作，并且使它看起来很简单！非常感谢你！是的，这和我说的差不多。干得好。哇，这很有帮助！我已经在另一

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你的意思是什么？你能详细说明我该如何使用它吗？哇，这非常有用！我已经在另一个版本中将您的代码转换为MS SQL Server，我非常确定您已经完成了我需要的工作，并且使它看起来很简单！非常感谢你！是的，这和我说的差不多。干得好。哇，这很有帮助！我已经在另一个版本中将您的代码转换为MS SQL Server，我非常确定您已经完成了我需要的工作，并且使它看起来很简单！非常感谢你！是的，这和我说的差不多。做得好。

WITH SubscriptionInfo AS
(
    SELECT
        [Subscriptions].[Customer_Id]
        ,[DistributorTypes].[Name]                              AS [Distributor Type]
        ,[Customers].Zip_Id
        ,[Subscriptions].[UnsubscribeReason_Id]
        ,[Subscriptions].[Id]                                   AS [Subscription ID]
        ,CONVERT(DATE, [Subscriptions].[StartDate])             AS [Subscription Start Date]
        ,CONVERT(DATE, [Subscriptions].[EndDate])               AS [Subscription End Date]
        ,[PriorityLevels].PriorityLevel                         AS [Priority Level]
        ,CONVERT(DATE, [SubscriptionPriorityLevels].StartDate)  AS [Priority Level Start Date]
        ,CONVERT(DATE, [SubscriptionPriorityLevels].EndDate)    AS [Priority Level End Date]
        ,[FundingSources].[Name]                                AS [Funding Source]
        ,CONVERT(DATE, [SubscriptionFundingSources].StartDate)  AS [SubscriptionFundingSources Start Date]
        ,CONVERT(DATE, [SubscriptionFundingSources].EndDate)    AS [SubscriptionFundingSources End Date]
    FROM [Subscriptions]

    LEFT JOIN [SubscriptionPriorityLevels]
        ON [SubscriptionPriorityLevels].Subscription_Id = Subscriptions.Id
    LEFT JOIN [PriorityLevels]
        ON [PriorityLevels].Id = SubscriptionPriorityLevels.PriorityLevel_Id
    LEFT JOIN [SubscriptionFundingSources]
        ON [SubscriptionFundingSources].Subscription_Id = Subscriptions.Id
    LEFT JOIN [FundingSources]
        ON [FundingSources].Id = [SubscriptionFundingSources].FundingSource_Id
    LEFT JOIN [Customers]
        ON [Customers].Id = [Subscriptions].Customer_Id
    LEFT JOIN [DistributorTypes]
        ON [DistributorTypes].Id = Customers.DistributorType_Id

    WHERE
        ([Subscriptions].StartDate >= '2016-07-01')             -- Dummy dates, would later be parameters
        AND ([Subscriptions].EndDate <= '2017-06-30'
            OR [Subscriptions].EndDate IS NULL)
        AND ([PriorityLevels].PriorityLevel IN (2, 3))          -- Only care about these two levels
        AND ([Customers].DistributorType_Id = 1)                -- Distributor Type: Number One Distrubition
        AND ([SubscriptionFundingSources].FundingSource_Id = 2) -- Funding Source: First Bank
)

SELECT
    [SubscriptionInfo].Customer_Id
    ,[SubscriptionInfo].[Subscription ID]
    ,MAX([SubscriptionInfo].[Priority Level]) AS [Highest Priority Level]
    ,CASE   -- Determine which fiscal quarter each Subscription Start Date belongs to
        WHEN MONTH([SubscriptionInfo].[Subscription Start Date]) IN (7, 8, 9)       THEN 1  -- July, August, September
        WHEN MONTH([SubscriptionInfo].[Subscription Start Date]) IN (10, 11, 12)    THEN 2  -- October, November, December
        WHEN MONTH([SubscriptionInfo].[Subscription Start Date]) IN (1, 2, 3)       THEN 3  -- January, Feburary, March
                                                                                    ELSE 4  -- April, May, June
    END AS [Fiscal Quarter Start Date]
    ,CASE   -- Determine which fiscal quarter each Subscription Start Date belongs to
        WHEN MONTH([SubscriptionInfo].[Subscription End Date]) IN (7, 8, 9)         THEN 1  -- July, August, September
        WHEN MONTH([SubscriptionInfo].[Subscription End Date]) IN (10, 11, 12)      THEN 2  -- October, November, December
        WHEN MONTH([SubscriptionInfo].[Subscription End Date]) IN (1, 2, 3)         THEN 3  -- January, Feburary, March
                                                                                    ELSE 4  -- April, May, June
    END AS [Fiscal Quarter End Date]
FROM [SubscriptionInfo]


GROUP BY
    [SubscriptionInfo].Customer_Id
    ,[SubscriptionInfo].[Subscription ID]
    ,CASE   -- Group Subscription Start Date's into Fiscal Quarters
        WHEN MONTH([SubscriptionInfo].[Subscription Start Date]) IN (7, 8, 9)       THEN 1  -- July, August, September
        WHEN MONTH([SubscriptionInfo].[Subscription Start Date]) IN (10, 11, 12)    THEN 2  -- October, November, December
        WHEN MONTH([SubscriptionInfo].[Subscription Start Date]) IN (1, 2, 3)       THEN 3  -- January, Feburary, March
                                                                                    ELSE 4  -- April, May, June
    END
    ,CASE   -- Group Subscription End Date's into Fiscal Quarters
        WHEN MONTH([SubscriptionInfo].[Subscription End Date]) IN (7, 8, 9)         THEN 1  -- July, August, September
        WHEN MONTH([SubscriptionInfo].[Subscription End Date]) IN (10, 11, 12)      THEN 2  -- October, November, December
        WHEN MONTH([SubscriptionInfo].[Subscription End Date]) IN (1, 2, 3)         THEN 3  -- January, Feburary, March
                                                                                    ELSE 4  -- April, May, June
    END

ORDER BY
    [SubscriptionInfo].Customer_Id

| FirstQuarter | SecondQuarter | ThirdQuarter | FourthQuarter |
|--------------|---------------|--------------|---------------|
|            2 |             1 |            3 |             3 |

-------------------------
-- construct the quarters table (taken from the SQL Fiddle in comments above)

DECLARE @FiscalDate Table
(
  Id INT NOT NULL,
  FiscalYear INT NOT NULL,
  FiscalQuarter INT NOT NULL,
  QuarterStartDate DATE NOT NULL,
  QuarterEndDate DATE NOT NULL
  PRIMARY KEY(Id)
);

INSERT INTO @FiscalDate 
  (Id, FiscalYear, FiscalQuarter, QuarterStartDate, QuarterEndDate)
VALUES
  ( 1, 2016, 1, '2016-07-01', '2016-09-30')
  ,(2, 2016, 2, '2016-10-01', '2016-12-31')
  ,(3, 2017, 3, '2017-01-01', '2017-03-31')
  ,(4, 2017, 4, '2017-04-01', '2017-06-30')
;


-------------------------
--Get some random test data to imitate subscriptions ranges

DECLARE @tempSet Table(a date, b date)
INSERT INTO @tempSet SELECT TOP 15
    dateadd(dd, ROUND(365 * RAND(convert(varbinary, newid())), 0), '2016-07-01') as a
    , dateadd(dd, ROUND(365 * RAND(convert(varbinary, newid())), 0), '2016-07-01') as b
FROM sysobjects

-------------------------
-- Fix our random data a little (start date needs to be before end date)

DECLARE @DateRanges Table(StartDate date, EndDate date)
INSERT INTO @DateRanges
SELECT a, b FROM @tempset WHERE a <= b UNION SELECT b, a FROM @tempset WHERE b < a


-------------------------
-- Show our Date ranges in a useful order for review
SELECT * FROM @DateRanges ORDER BY StartDate, EndDate

-------------------------
-- Show our by-quarter counts.


SELECT
    fd.FiscalQuarter
    , count(*) as ActiveSubsCount
FROM
    @FiscalDate fd

    JOIN

    @DateRanges dr
        on fd.QuarterStartDate < dr.EndDate
        and fd.QuarterEndDate >= dr.StartDate
GROUP BY
    fd.FiscalQuarter


-------------------------
-- and in your desired output (without your quarters table)
SELECT
    COUNT(CASE WHEN '2016-07-01' < dr.EndDate AND '2016-09-30' >= dr.StartDate THEN 1 ELSE NULL END) AS FirstQuarter 
    , COUNT(CASE WHEN '2016-10-01' < dr.EndDate AND '2016-12-31' >= dr.StartDate THEN 1 ELSE NULL END) AS SecondQuarter  
    , COUNT(CASE WHEN '2017-01-01' < dr.EndDate AND '2017-03-31' >= dr.StartDate THEN 1 ELSE NULL END) AS ThirdQuarter 
    , COUNT(CASE WHEN '2017-04-01' < dr.EndDate AND '2017-06-30' >= dr.StartDate THEN 1 ELSE NULL END) AS FourthQuarter 
FROM
    @DateRanges dr