[英]Extracting values from XML column in Oracle
我在Oracle表中有一些數據,該數據存儲在XML格式的字符串中(表WS_LOG
列response
)。
我想從<MedicalProcedureOutput>
下的每個不同節點提取數據,但是在到達每個節點時遇到了一些困難。 你能發現我在做什么錯嗎?
這是我正在嘗試的方法(這里嘗試檢索icpcID
標簽的值):
SELECT a.id,
t1.icpcID FROM
GH.WS_LOG a,
xmltable(
xmlnamespaces(
'http://schemas.xmlsoap.org/soap/envelope/' as "soap",
'http://www.w3.org/2001/XMLSchema' as "xsd",
'http://www.w3.org/2001/XMLSchema-instance' as "xsi"),
'/soap:Envelope/soap:Body/createBillingSubmissionForAFEBSGResponse/createBillingSubmissionForAFEBSGResult/proceduresList/MedicalProcedureOutput' passing xmltype(a.response) columns
icpcID varchar2(50) path 'ipcdId') t1
這是一些示例數據
<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<soap:Body>
<createBillingSubmissionForAFEBSGResponse xmlns="urn:bcpcorp.net/ws/bsgFacets/FacetsBillingService">
<createBillingSubmissionForAFEBSGResult>
<status>0</status>
<outputMessage />
<statusElement />
<claimID>18E002021300</claimID>
<claimStatus>01</claimStatus>
<claimStatusReason>AGFP</claimStatusReason>
<totalChargeValue>35.0000</totalChargeValue>
<totalPayableValue>0.0000</totalPayableValue>
<paitentPaidvalue>17.5</paitentPaidvalue>
<totalDebitAmount>0</totalDebitAmount>
<proceduresList>
<MedicalProcedureOutput>
<ipcdId>011801</ipcdId>
<otherdisallowedAmountResponsibility>N</otherdisallowedAmountResponsibility>
</MedicalProcedureOutput>
</proceduresList>
</createBillingSubmissionForAFEBSGResult>
</createBillingSubmissionForAFEBSGResponse>
</soap:Body>
</soap:Envelope>
我希望得到的值是'011801'。 請注意,可能會出現多個<MedicalProcedureOutput>
節點,它們的組織方式如下:
<MedicalProcedureOutput>
<ipcdId>725013</ipcdId>
<otherdisallowedAmountResponsibility>N</otherdisallowedAmountResponsibility>
</MedicalProcedureOutput>
<MedicalProcedureOutput>
<ipcdId>725105</ipcdId>
<otherdisallowedAmountResponsibility>N</otherdisallowedAmountResponsibility>
</MedicalProcedureOutput>
您需要為主體中的所有內容聲明默認名稱空間,因為createBillingSubmissionForAFEBSGResponse
具有自己的未命名的xmlns
(因此為默認)聲明,該聲明從該節點開始使用; 所以:
SELECT a.id,
t1.icpcID FROM
GH.WS_LOG a,
xmltable(
xmlnamespaces(
default 'urn:bcpcorp.net/ws/bsgFacets/FacetsBillingService',
'http://schemas.xmlsoap.org/soap/envelope/' as "soap",
'http://www.w3.org/2001/XMLSchema' as "xsd",
'http://www.w3.org/2001/XMLSchema-instance' as "xsi"
),
'/soap:Envelope/soap:Body/createBillingSubmissionForAFEBSGResponse/createBillingSubmissionForAFEBSGResult/proceduresList/MedicalProcedureOutput' passing xmltype(a.response) columns
icpcID varchar2(50) path 'ipcdId') t1
/
ID ICPCID
---------- --------------------------------------------------
1 011801
或如您稍后顯示的那樣具有多個節點,他質疑這將返回:
ID ICPCID
---------- --------------------------------------------------
2 725013
2 725105
您應該使用EXTRACTVALUE
函數來解決它, 在這里您可以找到有關它的一些信息。
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