修复 CROSS APPLY 函数 - 一行到多行
Fixing CROSS APPLY function- one row to multiple
我一直在尝试找到一种方法将我的行拆分为多行。我遇到了一个 CROSS APPLY 示例并尝试重新创建它。我能够做到这一点,但是,我无法从 WHERE 子句中过滤任何内容。代码看起来很乱,所以我想知道我是否需要尝试嵌套函数或完全不同的东西?无论我是更改第一个 where 子句、第二个 where 子句还是两个 WHERE 子句,都不会发生过滤(例如删除 Terry Johnson 因为 TYPE 列显示“LOT”)。我正在使用 Microsoft SQL Server Management Studio,我一直在到处寻找 CROSS APPLY 的答案或替代方法。我可能没有为我需要的东西搜索正确的词。如果你能帮我指明方向,那就太好了。谢谢!
all three tables as a picture
我的原始数据是这样的:
Div--------工作#--------类型----销售代理---取消日期---合同批准日期
CAE----- Aaab-001--- SNGL--- 乔·史密斯-------- 02/01/2018------ 01/15/2018
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 05/28/2018------ 05/02/2018
CAE---- Zzzz-101----- LOT----- Terry Johnson-----(空白)--------- 06/01/2018
输出如下所示:
Div------ 工作#-------- 类型---- 销售代理--- 取消日期--- 合同批准日期
CAE----- Aaab-001--- SNGL--- Joe Smith-------- 空---------------- 01/15/2018
CAE----- Aaab-001--- SNGL--- Joe Smith------ 02/01/2018------- 空
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 空---------------- 05/02/2018
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 05/28/2018-------- Null
CAE---- Zzzz-101----- LOT----- Terry Johnson-----(空白)--------- 06/01/2018
希望数据看起来像这样(通过过滤掉 LOT):
Div------ 工作#-------- 类型---- 销售代理--- 取消日期--- 合同批准日期
CAE----- Aaab-001--- SNGL--- Joe Smith-------- 空---------------- 01/15/2018
CAE----- Aaab-001--- SNGL--- Joe Smith------ 02/01/2018------- 空
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 空---------------- 05/02/2018
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 05/28/2018-------- Null
SELECT
[Ounit Code] AS "Div",
[Project Code] + '-' + [Lot] AS [Job #],
[Sales Agent],
cr.[Cancel Date],
cr.[Contract Approved Date]
FROM [dbo].[Sales Summ] AS ss
CROSS APPLY (VALUES
([Cancel Date],NULL),
(NULL,[Contract Approved Date]))
CR ([Cancel Date], [Contract Approved Date])
WHERE ss.[Cancel Date] IS NOT NULL AND ss.[Contract Approved Date] IS NOT NULL
AND TYPE <> ‘LOT’
UNION
SELECT
[Ounit Code] AS "Div",
[Project Code] + '-' + [Lot] AS [Job #],
[Sales Agent],
ss.[Cancel Date],
ss.[Contract Approved Date]
FROM [dbo].[Sales Summ] AS ss
WHERE ss.[Cancel Date] IS NULL OR ss.[Contract Approved Date] IS NULL
AND TYPE <> ‘LOT’
UNION ALL
应该有效:
SELECT t.*
FROM ( (SELECT Div, Job, Type, SalesAgent, NULL as CancelDate, ContractApprovedDate
FROM [dbo].[Sales Summ]
) UNION ALL
(SELECT Div, Job, Type, SalesAgent, CancelDate, NULL as ContractApprovedDate
FROM [dbo].[Sales Summ]
)
) t
WHERE t.type <> 'LOT';
你可以试试这个。
DECLARE @Table TABLE (Div VARCHAR(10), [Job #] VARCHAR(20),Type VARCHAR(20), [Sales Agent] VARCHAR(20), [Cancel Date] DATE, [Contract Approved Date] DATE)
INSERT INTO @Table VALUES
('CAE', 'Aaab-001', 'SNGL', 'Joe Smith', '02/01/2018','01/15/2018'),
('CLT', 'Eeef-203', 'DUPL', 'Jane Smiths', '05/28/2018','05/02/2018'),
('CAE', 'Zzzz-101', 'LOT', 'Terry Johnson', NULL, '06/01/2018')
select Div , [Job #] ,Type , [Sales Agent] , X.[Cancel Date] , X.[Contract Approved Date]
FROM @Table
CROSS APPLY ( VALUES ([Cancel Date], NULL) , (NULL, [Contract Approved Date] )) X ([Cancel Date] , [Contract Approved Date] )
WHERE Type <> 'LOT'
结果:
Div Job # Type Sales Agent Cancel Date Contract Approved Date
---------- -------------------- -------------------- -------------------- ----------- ----------------------
CAE Aaab-001 SNGL Joe Smith 2018-02-01 NULL
CAE Aaab-001 SNGL Joe Smith NULL 2018-01-15
CLT Eeef-203 DUPL Jane Smiths 2018-05-28 NULL
CLT Eeef-203 DUPL Jane Smiths NULL 2018-05-02
我一直在尝试找到一种方法将我的行拆分为多行。我遇到了一个 CROSS APPLY 示例并尝试重新创建它。我能够做到这一点,但是,我无法从 WHERE 子句中过滤任何内容。代码看起来很乱,所以我想知道我是否需要尝试嵌套函数或完全不同的东西?无论我是更改第一个 where 子句、第二个 where 子句还是两个 WHERE 子句,都不会发生过滤(例如删除 Terry Johnson 因为 TYPE 列显示“LOT”)。我正在使用 Microsoft SQL Server Management Studio,我一直在到处寻找 CROSS APPLY 的答案或替代方法。我可能没有为我需要的东西搜索正确的词。如果你能帮我指明方向,那就太好了。谢谢!
all three tables as a picture
我的原始数据是这样的:
Div--------工作#--------类型----销售代理---取消日期---合同批准日期
CAE----- Aaab-001--- SNGL--- 乔·史密斯-------- 02/01/2018------ 01/15/2018
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 05/28/2018------ 05/02/2018
CAE---- Zzzz-101----- LOT----- Terry Johnson-----(空白)--------- 06/01/2018
输出如下所示:
Div------ 工作#-------- 类型---- 销售代理--- 取消日期--- 合同批准日期
CAE----- Aaab-001--- SNGL--- Joe Smith-------- 空---------------- 01/15/2018
CAE----- Aaab-001--- SNGL--- Joe Smith------ 02/01/2018------- 空
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 空---------------- 05/02/2018
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 05/28/2018-------- Null
CAE---- Zzzz-101----- LOT----- Terry Johnson-----(空白)--------- 06/01/2018
希望数据看起来像这样(通过过滤掉 LOT):
Div------ 工作#-------- 类型---- 销售代理--- 取消日期--- 合同批准日期
CAE----- Aaab-001--- SNGL--- Joe Smith-------- 空---------------- 01/15/2018
CAE----- Aaab-001--- SNGL--- Joe Smith------ 02/01/2018------- 空
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 空---------------- 05/02/2018
CLT----- Eeef-203----- DUPL--- Jane Smiths---- 05/28/2018-------- Null
SELECT
[Ounit Code] AS "Div",
[Project Code] + '-' + [Lot] AS [Job #],
[Sales Agent],
cr.[Cancel Date],
cr.[Contract Approved Date]
FROM [dbo].[Sales Summ] AS ss
CROSS APPLY (VALUES
([Cancel Date],NULL),
(NULL,[Contract Approved Date]))
CR ([Cancel Date], [Contract Approved Date])
WHERE ss.[Cancel Date] IS NOT NULL AND ss.[Contract Approved Date] IS NOT NULL
AND TYPE <> ‘LOT’
UNION
SELECT
[Ounit Code] AS "Div",
[Project Code] + '-' + [Lot] AS [Job #],
[Sales Agent],
ss.[Cancel Date],
ss.[Contract Approved Date]
FROM [dbo].[Sales Summ] AS ss
WHERE ss.[Cancel Date] IS NULL OR ss.[Contract Approved Date] IS NULL
AND TYPE <> ‘LOT’
UNION ALL
应该有效:
SELECT t.*
FROM ( (SELECT Div, Job, Type, SalesAgent, NULL as CancelDate, ContractApprovedDate
FROM [dbo].[Sales Summ]
) UNION ALL
(SELECT Div, Job, Type, SalesAgent, CancelDate, NULL as ContractApprovedDate
FROM [dbo].[Sales Summ]
)
) t
WHERE t.type <> 'LOT';
你可以试试这个。
DECLARE @Table TABLE (Div VARCHAR(10), [Job #] VARCHAR(20),Type VARCHAR(20), [Sales Agent] VARCHAR(20), [Cancel Date] DATE, [Contract Approved Date] DATE)
INSERT INTO @Table VALUES
('CAE', 'Aaab-001', 'SNGL', 'Joe Smith', '02/01/2018','01/15/2018'),
('CLT', 'Eeef-203', 'DUPL', 'Jane Smiths', '05/28/2018','05/02/2018'),
('CAE', 'Zzzz-101', 'LOT', 'Terry Johnson', NULL, '06/01/2018')
select Div , [Job #] ,Type , [Sales Agent] , X.[Cancel Date] , X.[Contract Approved Date]
FROM @Table
CROSS APPLY ( VALUES ([Cancel Date], NULL) , (NULL, [Contract Approved Date] )) X ([Cancel Date] , [Contract Approved Date] )
WHERE Type <> 'LOT'
结果:
Div Job # Type Sales Agent Cancel Date Contract Approved Date
---------- -------------------- -------------------- -------------------- ----------- ----------------------
CAE Aaab-001 SNGL Joe Smith 2018-02-01 NULL
CAE Aaab-001 SNGL Joe Smith NULL 2018-01-15
CLT Eeef-203 DUPL Jane Smiths 2018-05-28 NULL
CLT Eeef-203 DUPL Jane Smiths NULL 2018-05-02