使用SQL Server创建XML

Question

我有一个数据表:

itemID          itemLocation    quantity
-------------------------------------------------------
B008KZK44E  COMMITED    1
B008KZK44E  PRIME       1
B008KZK2LE  COMMITED    1

我需要用这个节点结构生成一个xml:

<inventoryItemData>
  <itemID type="FAMILY">B008KZK2LE</itemID>
  <availabilityDetail>
    <itemQuantity>
      <quantity unitOfMeasure="EA">1</quantity>
      <itemLocation>COMMITED</itemLocation>
    </itemQuantity>
  </availabilityDetail>
</inventoryItemData>
<inventoryItemData>
  <itemID type="FAMILY">B008KZK44E</itemID>
  <availabilityDetail>
    <itemQuantity>
      <quantity unitOfMeasure="EA">1</quantity>
      <itemLocation>COMMITED</itemLocation>
    </itemQuantity>
  </availabilityDetail>
  <availabilityDetail>
    <itemQuantity>
      <quantity unitOfMeasure="EA">1</quantity>
      <itemLocation>PRIME</itemLocation>
    </itemQuantity>
  </availabilityDetail>
</inventoryItemData>

我越接近这个:

SELECT 
   'itemID' AS 'itemID/@type',
   itemID AS 'itemID',
   '' AS 'availabilityDetail',
   '' AS 'availabilityDetail/itemQuantity',
   'EA' AS 'availabilityDetail/itemQuantity/quantity/@unitOfMeasure',
   quantity AS 'availabilityDetail/itemQuantity/quantity',
   itemLocation AS 'availabilityDetail/itemQuantity/itemLocation'
FROM TABLE
FOR XML PATH ('inventoryItemData')

我很感激任何解决方案.

谢谢.

Answer 1

select
    'FAMILY' AS 'itemID/@type',
    t1.itemID AS 'itemID',
    (
        select
        'EA' AS 'itemQuantity/quantity/@unitOfMeasure',
        t2.quantity AS 'itemQuantity/quantity',
        t2.itemLocation AS 'itemQuantity/itemLocation'
        from Table1 as t2
        where t2.itemID = t1.itemID
        for xml path('availabilityDetail'), type
    )
from Table1 as t1
group by t1.itemID
for xml path ('inventoryItemData')

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