[英]Parse an xml data column on a table in SQL Server 2012
如何解析SQL Server 2012中的数据表上的xml列
样本数据
<GetOfferAvailabilityResponse xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p3="http://somewebsite.com/v2.0" xmlns="http://somewebsite.com/v2.0" p3:TransactionID="281234567">
<p3:RuleResultList xsi:nil="true" />
<p3:ResultList>
<p3:ProviderResult p3:ProviderID="01" p3:ResultID="1234" p3:ResultType="NotAvailable" p3:ResultCode="NotAvailable" p3:BrokerID="55" p3:Structure="None">
<p3:EntityState>None</p3:EntityState>
<p3:ResultText>No Orders returned</p3:ResultText>
<p3:ShortDescription>Not Available</p3:ShortDescription>
<p3:LongDescription>We're sorry, but offers are currently not available for your service address.</p3:LongDescription>
<p3:ResultAction>ErrorMessage</p3:ResultAction>
<p3:SourceResultCode xsi:nil="true" />
</p3:ProviderResult>
</p3:ResultList>
</GetOfferAvailabilityResponse>'
我试过了:
DECLARE @x xml
SET @x =
DECLARE @test TABLE (ID INT, XmlRule XML)
Insert into @test VALUES(1,'
<GetOfferAvailabilityResponse xmlns:xsd="http://www.w3.org/2001/XMLSchema" ---GetOfferAvailabilityResponse>')
当我使用Select @test.query ('\\')
我会得到整个xml,但是当我尝试Select @test.query ('\\GetOfferAvailabilityResponse')
我会收到一个空结果
您可以尝试如下操作:
DECLARE @XmlTbl TABLE (ID INT, XMLDATA XML)
INSERT INTO @XmlTbl
( ID, XMLDATA )
VALUES ( 1, '<GetOfferAvailabilityResponse xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p3="http://somewebsite.com/v2.0" xmlns="http://somewebsite.com/v2.0" p3:TransactionID="281234567">
<p3:RuleResultList xsi:nil="true" />
<p3:ResultList>
<p3:ProviderResult p3:ProviderID="01" p3:ResultID="1234" p3:ResultType="NotAvailable" p3:ResultCode="NotAvailable" p3:BrokerID="55" p3:Structure="None">
<p3:EntityState>None</p3:EntityState>
<p3:ResultText>No Orders returned</p3:ResultText>
<p3:ShortDescription>Not Available</p3:ShortDescription>
<p3:LongDescription>We''re sorry, but offers are currently not available for your service address.</p3:LongDescription>
<p3:ResultAction>ErrorMessage</p3:ResultAction>
<p3:SourceResultCode xsi:nil="true" />
</p3:ProviderResult>
</p3:ResultList>
</GetOfferAvailabilityResponse>')
;WITH XMLNAMESPACES('http://somewebsite.com/v2.0' AS p3, DEFAULT 'http://somewebsite.com/v2.0')
SELECT
ProviderID = XmlData.value('(/GetOfferAvailabilityResponse/p3:ResultList/p3:ProviderResult/@p3:ProviderID)[1]', 'varchar(50)'),
EntityState = XmlData.value('(/GetOfferAvailabilityResponse/p3:ResultList/p3:ProviderResult/p3:EntityState)[1]', 'varchar(50)'),
ResultText = XmlData.value('(/GetOfferAvailabilityResponse/p3:ResultList/p3:ProviderResult/p3:ResultText)[1]', 'varchar(50)'),
ShortDescription = XmlData.value('(/GetOfferAvailabilityResponse/p3:ResultList/p3:ProviderResult/p3:ShortDescription)[1]', 'varchar(250)'),
LongDescription = XmlData.value('(/GetOfferAvailabilityResponse/p3:ResultList/p3:ProviderResult/p3:LongDescription)[1]', 'varchar(250)'),
ResultAction = XmlData.value('(/GetOfferAvailabilityResponse/p3:ResultList/p3:ProviderResult/p3:ResultAction)[1]', 'varchar(50)')
FROM
@XmlTbl
从包含XML
类型列的表中,考虑到XML数据上定义的XML名称空间 ,选择所需的点点滴滴
这给了我以下结果:
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