我有一个包含 XML 列的表:
CREATE TABLE Batches(
BatchID int,
RawXml xml
)
该 xml 包含以下项目:
<GrobReportXmlFileXmlFile>
<GrobReport>
<ReportHeader>
<OrganizationReportReferenceIdentifier>1</OrganizationReportReferenceIdentifier>
<OrganizationNumber>4</OrganizationNumber>
</ReportHeader>
</GrobReport>
<GrobReport>
<ReportHeader>
<OrganizationReportReferenceIdentifier>2</OrganizationReportReferenceIdentifier>
<OrganizationNumber>4</OrganizationNumber>
</ReportHeader>
</GrobReport>
<GrobReport>
<ReportHeader>
<OrganizationReportReferenceIdentifier>3</OrganizationReportReferenceIdentifier>
<OrganizationNumber>4</OrganizationNumber>
</ReportHeader>
</GrobReport>
<GrobReport>
<ReportHeader>
<OrganizationReportReferenceIdentifier>4</OrganizationReportReferenceIdentifier>
<OrganizationNumber>4</OrganizationNumber>
</ReportHeader>
</GrobReport>
我想要的是生成一个集合,其中包含:
OrganizationReportReferenceNumber OrganizationNumber
================================= ==================
1 4
2 4
3 4
4 4
我试过了:
SELECT
foo.value('/ReportHeader/OrganizationReportReferenceIdentifier') AS ReportIdentifierNumber,
foo.value('/ReportHeader/OrganizationNumber') AS OrginazationNumber
FROM CDRBatches.RawXML.query('/GrobReportXmlFileXmlFile/GrobReport/ReportHeader') foo
但这行不通。我试过了:
SELECT
foo.value('/ReportHeader/OrganizationReportReferenceIdentifier') AS ReportIdentifierNumber,
foo.value('/ReportHeader/OrganizationNumber') AS OrginazationNumber
FROM RawXML.nodes('/GrobReportXmlFileXmlFile/GrobReport/ReportHeader') bar(foo)
但这是行不通的。这XPath表达
/GrobReportXmlFileXmlFile/GrobReport/ReportHeader
是正确的;在任何其他 xml 系统中它返回:
<ReportHeader>
<OrganizationReportReferenceIdentifier>1</OrganizationReportReferenceIdentifier>
<OrganizationNumber>4</OrganizationNumber>
</ReportHeader>
<ReportHeader>
<OrganizationReportReferenceIdentifier>2</OrganizationReportReferenceIdentifier>
<OrganizationNumber>4</OrganizationNumber>
</ReportHeader>
<ReportHeader>
<OrganizationReportReferenceIdentifier>3</OrganizationReportReferenceIdentifier>
<OrganizationNumber>4</OrganizationNumber>
</ReportHeader>
<ReportHeader>
<OrganizationReportReferenceIdentifier>4</OrganizationReportReferenceIdentifier>
<OrganizationNumber>4</OrganizationNumber>
</ReportHeader>
所以,从我的查询中很明显我会like查看。在阅读了十几个 Stackover 问题和答案后,我并没有更接近解决问题。