使用 SQL 聚合派生值

Question

我正在使用 SQL Server 2012。我已尽我所能进行了此查询。如您所见，我使用 CTE 导出值，然后在 select 语句中使用导出值。在此示例中，当我连接 Quarter +Year = Period

时，这只会发生一次

我可以在 SSRS 报告的数据集中使用此查询来实现我想要的分组，但我想知道如何在 SQL 中执行此操作。当我需要派生数据然后对这些派生执行其他功能时，我一直在努力。 CTE 是一种方式。我在有限的程度上使用了 temp tables，但并不精通它们的用法。这是查询。

USE SampleDW
WITH gifts AS
(
SELECT ClientBriefName,AccountIDKey,AdventID,AccountName,AccountType,FlipProvision,FlipDate,ExpectedFlipDate,GiftCategory,GiftType,
GiftDate,GiftAmount,AssetClass,SecurityType,UserDefinedCode,

 COALESCE(
CASE WHEN MONTH(giftdate)IN(1,2,3) THEN 'Q1' ELSE NULL END,
CASE WHEN MONTH(giftdate)IN(4,5,6) THEN 'Q2' ELSE NULL END,
CASE WHEN MONTH(giftdate)IN(7,8,9) THEN 'Q3' ELSE NULL END,
CASE WHEN MONTH(giftdate)IN(10,11,12) THEN 'Q4' ELSE NULL END
) AS Quarter,
CASE WHEN AccountType IN('CORP','ENDOW','OTHER','990','DCA','PRIV-TAX') THEN 'NO' ELSE 'YES' END AS ISPG,
YEAR(Giftdate) YEAR,
CASE WHEN AccountType IN('CRUT','CGA','CRUTNI','CRAT','PIF','NQI','CRUTMU','LEAD-PCT','LEAD-FIXED','GRANTOR-OWNER','PRE-69')
THEN 'YES' ELSE 'NO' END AS LIFEINCOME
FROM Generic.dbo.PO_GiftDetails
) 
SELECT ClientBriefName,AccountIDKey,AdventID,AccountName,AccountType,FlipProvision,FlipDate,ExpectedFlipDate,GiftCategory,GiftType,
GiftDate,GiftAmount,AssetClass,SecurityType,UserDefinedCode, ISPG, QUARTER,YEAR,gifts.LIFEINCOME, CAST(Quarter AS VARCHAR)+CAST(YEAR AS varchar) AS Period 
FROM gifts

结果集

      ClientBriefName   AccountIDKey    AdventID    AccountName AccountType FlipProvision   FlipDate    ExpectedFlipDate    GiftCategory    GiftType    GiftDate    GiftAmount  AssetClass  SecurityType    UserDefinedCode ISPG    QUARTER YEAR    LIFEINCOME  Period
Client1 103859  Jsmith  John Smith  CRUT    0   NULL    NULL    Standard Unitrusts  New Trusts  00:00.0 82300   e   lcus    1   YES Q4  2012    YES Q42012
Client1 100281  Jsmith  John Smith  CRAT    0   NULL    NULL    Additions to Trusts Additions to Trusts 00:00.0 5000    c   caus    2   YES Q4  2012    YES Q42012
Client2 100281  JaSmith Jane Smith  CRUT    0   NULL    NULL    Additions to Trusts Additions to Trusts 00:00.0 5000    c   caus    2   YES Q4  2012    YES Q42012
Client2 100281  JaSmith Jane Smith  CRAT    0   NULL    NULL    Additions to Trusts Additions to Trusts 00:00.0 2000    c   caus    2   YES Q4  2012    YES Q42012
Client1 103859  Jsmith  John Smith  CRUT    0   NULL    NULL    Standard Unitrusts  New Trusts  00:00.0 82300   e   lcus    1   YES Q1  2012    YES Q12012
Client1 100281  Jsmith  John Smith  CRAT    0   NULL    NULL    Additions to Trusts Additions to Trusts 00:00.0 5000    c   caus    2   YES Q1  2012    YES Q12012
Client2 100281  JaSmith Jane Smith  CRUT    0   NULL    NULL    Additions to Trusts Additions to Trusts 00:00.0 5000    c   caus    2   YES Q1  2012    YES Q12012
Client2 100281  JaSmith Jane Smith  CRAT    0   NULL    NULL    Additions to Trusts Additions to Trusts 00:00.0 2000    c   caus    2   YES Q1  2012    YES Q12012

如果我想实现类似 table 的枢轴输出怎么办？我之前在 sQL 中使用过 pivot，但我不确定我将如何以最简单的形式在此查询中使用。所需的输出将按客户对各种礼物类型求和进行分组，所有总和最后按期间

分组

AdventID    Annuity Trusts  Flip Trust  Gift Annuity Pools  Net Income Unitrusts    Grand Total Period
CLIENT1 0   0   1187880.16  800 1188680.16  Q12012
CLIENT2 0   0   25014.6 500 25514.6 Q12012
CLIENT1 0   0   550123  800 550923  Q42012
CLIENT2 0   0   4851061 600 4851661 Q42012

Answer 1

继续进行聚合，因为您可以在派生的 table 或 CTE 上应用聚合。

下面我假设 GiftType 被分解为您的 post 中显示的所需结果的指定列。

WITH gifts AS
(
SELECT ClientBriefName, AccountIDKey, AdventID, AccountName, AccountType, 
       FlipProvision, FlipDate, ExpectedFlipDate, GiftCategory, GiftType,
       GiftDate, GiftAmount, AssetClass, SecurityType, UserDefinedCode,

       (CASE WHEN MONTH(GiftDate) IN (1, 2 ,3) THEN 'Q1' ELSE NULL END,
        CASE WHEN MONTH(GiftDate) IN (4, 5, 6) THEN 'Q2' ELSE NULL END,
        CASE WHEN MONTH(GiftDate) IN (7, 8, 9) THEN 'Q3' ELSE NULL END,
        CASE WHEN MONTH(GiftDate) IN (10, 11, 12) THEN 'Q4' ELSE NULL END) AS  Quarter,

       CASE WHEN AccountType IN ('CORP','ENDOW','OTHER','990','DCA','PRIV-TAX') 
            THEN 'NO' 
            ELSE 'YES' END AS ISPG,
       YEAR(Giftdate) AS [YEAR],
       CASE WHEN AccountType IN ('CRUT','CGA','CRUTNI','CRAT','PIF','NQI','CRUTMU',
                                 'LEAD-PCT', 'LEAD-FIXED','GRANTOR-OWNER','PRE-69')
            THEN 'YES' 
            ELSE 'NO' END AS LIFEINCOME
       FROM GenericDW.dbo.PO_GiftDetails
) 

/* ADJUST AGGREGATES AS NEEDED */
SELECT AdventID, Sum(CASE WHEN GiftType = 'Annuity' THEN GiftAmount ELSE 0 END) As Annuity, 
       Sum(CASE WHEN GiftType = 'Trusts' THEN GiftAmount ELSE 0 END) As Trusts, 
       Sum(CASE WHEN GiftType = 'Flip Trust' THEN GiftAmount ELSE 0 END) As [Flip Trust], 
       Sum(CASE WHEN GiftType = 'Gift' THEN GiftAmount ELSE 0 END) As Gift, 
       Sum(CASE WHEN GiftType = 'Annuity Pools' 
                THEN GiftAmount ELSE 0 END) As [Annuity Pools], 
       Sum(CASE WHEN GiftType IN ('Annuity', 'Trusts', 'Flip Trust', 'Gift', 'Annuity Pools')
                THEN GiftAmount ELSE 0) As [Net Income], 
       Sum(CASE WHEN GiftType = 'Unitrusts' THEN GiftAmount ELSE 0 END) As Unitrusts, 
       Sum(GiftAmount) As [Grand Total], 
       CAST([Quarter] + '-' + [Year] AS VARCHAR(100)) As [Period]
FROM gifts
GROUP BY AdventID, CAST([Quarter] + '-' + [Year] AS VARCHAR(100))

以及一个可能的关键解决方案

With gifts As ( ... )

SELECT AdventID, Sum([Annuity]), Sum([Trusts]), Sum([Flip Trust]), 
       Sum([Gift]), Sum([Annuity Pools]), Sum([Unitrusts]), 
       Sum([Annuity]) + Sum([Trusts]) + Sum([Flip Trust])
           + Sum([Gift]) + Sum([Annuity Pools]) As [Net Income],
       Sum([GiftAmount]) As [Grand Total], 
       CAST([Quarter] + '-' + [Year] AS VARCHAR(100)) As [Period]
FROM gifts
PIVOT (
       Sum([GiftAmount])
       For [GiftType] In
           ([Annuity], [Trusts], [Flip Trust], [Gift], [Annuity Pools], [Unitrusts])
       ) AS pivotTable
GROUP BY AdventID, CAST([Quarter] + '-' + [Year] AS VARCHAR(100))

使用 SQL 聚合派生值

Aggregate derived values with SQL

sql

aggregate

pivot-table

common-table-expression

sql-server-2012