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Question

祝你好运！

我有一个问题。无法获得如何在1个结果XML中组合2个表。

以下是样本

DECLARE @t1 table (ID int identity(1,1), SomeField varchar(50))
DECLARE @t2 table (ID int identity(1,1), SomeField varchar(50), AnotherField varchar(50))

INSERT INTO @t1 (SomeField) VALUES ('rec1'),('rec2'),('rec3'),('rec4')
INSERT INTO @t2 (SomeField,AnotherField) VALUES ('s106','here'),('s12','just'),('s13','sample')

SELECT * FROM @t1 AS FirstTable
SELECT * FROM @t2 AS AnotherTable

通缉结果：

<Root>
    <FirstTable ID="1" SomeField="rec1" />
    <FirstTable ID="2" SomeField="rec2" />
    <FirstTable ID="3" SomeField="rec3" />
    <FirstTable ID="4" SomeField="rec4" />
    <AnotherTable ID="1" SomeField="s106" AnotherField="here" />
    <AnotherTable ID="2" SomeField="s12" AnotherField="just" />
    <AnotherTable ID="3" SomeField="s13" AnotherField="sample" />
</Root>

dbfiddle here

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由John Cappelletti回答，但需要将所有这些放在第三个表格中。

这是新代码：

DECLARE @t1 table (ID int identity(1,1), tID int, SomeField varchar(50))
DECLARE @t2 table (ID int identity(1,1), tID int, SomeField varchar(50), AnotherField varchar(50))
DECLARE @t3 table (ID int identity(1,1), field1 varchar(50), field2 varchar(50))


INSERT INTO @t1 (tID,SomeField) VALUES (1,'rec1'),(1,'rec2'),(1,'rec3'),(1,'rec4')
INSERT INTO @t2 (tID,SomeField,AnotherField) VALUES (1,'s106','here'),(1,'s12','just'),(1,'s13','sample')
INSERT INTO @t3 (field1,field2) VALUES ('field1 Value','field2 Value')

通缉结果（最后）：

<ThirdTable ID="1" field1="field1 Value" field2="field2 Value">
    <FirstTable ID="1" tID="1" SomeField="rec1" />
    <FirstTable ID="2" tID="1" SomeField="rec2" />
    <FirstTable ID="3" tID="1" SomeField="rec3" />
    <FirstTable ID="4" tID="1" SomeField="rec4" />
    <AnotherTable ID="1" tID="1" SomeField="s106" AnotherField="here" />
    <AnotherTable ID="2" tID="1" SomeField="s12" AnotherField="just" />
    <AnotherTable ID="3" tID="1" SomeField="s13" AnotherField="sample" />
</ThirdTable>

Answer 1

Select [root] = cast((Select * From @t1 for xml raw('FirstTable'))
                    +(Select * From @t2 for xml raw('AnotherTable'))
                as xml)
For XML Path(''),Type

返回

<root>
  <FirstTable ID="1" SomeField="rec1" />
  <FirstTable ID="2" SomeField="rec2" />
  <FirstTable ID="3" SomeField="rec3" />
  <FirstTable ID="4" SomeField="rec4" />
  <AnotherTable ID="1" SomeField="s106" AnotherField="here" />
  <AnotherTable ID="2" SomeField="s12" AnotherField="just" />
  <AnotherTable ID="3" SomeField="s13" AnotherField="sample" />
</root>

Answer 2

为扩展问题添加

Select *
      ,(select cast(
                     isnull((Select * From @t1 for xml raw('FirstTable')),'')
                    +isnull((Select * From @t2 for xml raw('AnotherTable')),'')
               as xml)
       ) 
 From @t3 for xml raw('ThirdTable')

返回

<ThirdTable ID="1" field1="field1 Value" field2="field2 Value">
  <FirstTable ID="1" tID="1" SomeField="rec1" />
  <FirstTable ID="2" tID="1" SomeField="rec2" />
  <FirstTable ID="3" tID="1" SomeField="rec3" />
  <FirstTable ID="4" tID="1" SomeField="rec4" />
  <AnotherTable ID="1" tID="1" SomeField="s106" AnotherField="here" />
  <AnotherTable ID="2" tID="1" SomeField="s12" AnotherField="just" />
  <AnotherTable ID="3" tID="1" SomeField="s13" AnotherField="sample" />
</ThirdTable>

从不同的表中获取XML

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2 个答案: