从 clob 数据类型 xml 值中提取数据

Question

我有以下 xml 值，它存储在 request_xml 列中并且是 clob 数据类型：

  <?xml version='1.0' encoding='utf-8'?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
  <soapenv:Body>
    <ns:updateRechargeTicketResponse xmlns:ns="http://service.soap.CDRator.com">
      <ns:return xmlns:ax232="http://core.result.service.soap.CDRator.com/xsd" xmlns:ax233="http://core.data.soap.CDRator.com/xsd" xmlns:ax230="http://payment.result.service.soap.CDRator.com/xsd" xmlns:ax228="http://data.soap.CDRator.com/xsd" xmlns:ax231="http://result.service.soap.CDRator.com/xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="ax230:RechargeTicketResultDTO">
        <ax233:id xsi:nil="true"/>
        <ax232:code>0</ax232:code>
        <ax232:description>SOAP_GLOBAL_SUCCESS</ax232:description>
        <ax232:serviceUser xsi:nil="true"/>
        <ax232:success>true</ax232:success>
        <ax232:translationTag>SOAP_GLOBAL_SUCCESS</ax232:translationTag>
        <ax230:rechargeTicket xsi:type="ax228:RechargeTicketDTO">
          <ax233:id>201505131421267777</ax233:id>
          <ax233:billingGroupId>201505071857272816</ax233:billingGroupId>
          <ax233:code>BALANCE_DIRECTDEBIT</ax233:code>
          <ax233:dateCreated>2015-05-13</ax233:dateCreated>
          <ax233:dayOfMonth>0</ax233:dayOfMonth>
          <ax233:nextRechargeDate xsi:nil="true"/>
          <ax233:rechargeAmount>10.0</ax233:rechargeAmount>
        </ax230:rechargeTicket>
      </ns:return>
    </ns:updateRechargeTicketResponse>
  </soapenv:Body>
</soapenv:Envelope>

我想从中提取值。我使用了下面的查询，但它 returns nothing.I 收到一个错误

ORA-19228: XPST0008 - undeclared identifier: prefix 'ax230' local-name 'ax230:rechargeTicket'
19228. 00000 -  "XPST0008 - undeclared identifier: prefix '%s' local-name '%s'"

这是我的查询

   SELECT ID,CREATE_DATE,WEB_SERVICE_NAME,WEB_METHOD_NAME,xt_billingGroupId.BILLING_GROUP_ID,xt_error_code.ERROR_CODE,xt_error_message.ERROR_DESCRIPTION,xt_code.CODE,xt_rec_id.RECHARGE_TICKET_ID
FROM TEMP_SOAP_MONITORING_TOPUP sm
CROSS JOIN XMLTable(XMLNAMESPACES (
      'http://schemas.xmlsoap.org/soap/envelope/' AS "soapenv",
      'http://service.soap.CDRator.com' as "ns",
      'http://core.data.soap.CDRator.com/xsd' as "ax2130",
      'http://webshop.result.service.soap.CDRator.com/xsd' as "ax2147",
      'http://core.signup.data.soap.CDRator.com/xsd' as "ns3",
      'http://service.soap.CDRator.com' as "ns5",      
      'http://core.data.soap.CDRator.com/xsd' as "ax233",
      'http://core.result.service.soap.CDRator.com/xsd' as "ax232"
    ),
    'for $i in //*:billingGroupId return $i'
    passing XMLType(sm.REQUEST_XML)
    columns "BILLING_GROUP_ID" VARCHAR2(100) path '/') xt_billingGroupId    
CROSS JOIN XMLTable(XMLNAMESPACES (
      'http://core.result.service.soap.CDRator.com/xsd' as "ax232"
    ),
    'for $i in //ax232:code return $i'
    passing XMLType(sm.RESPONSE_XML)
    columns "ERROR_CODE" VARCHAR2(100) path '/') xt_error_code 
CROSS JOIN XMLTable(XMLNAMESPACES (
      'http://core.result.service.soap.CDRator.com/xsd' as "ax232"
    ),
    'for $i in //ax232:description return $i'
    passing XMLType(sm.RESPONSE_XML)
    columns "ERROR_DESCRIPTION" VARCHAR2(200) path '/') xt_error_message
CROSS JOIN XMLTable(XMLNAMESPACES (
      'http://core.result.service.soap.CDRator.com/xsd' as "ax232"
    ),
    'for $i in //*:code return $i'
    passing XMLType(sm.REQUEST_XML)
    columns "CODE" VARCHAR2(100) path '/') xt_code
CROSS JOIN XMLTable(XMLNAMESPACES (
      'http://core.data.soap.CDRator.com/xsd' as "ax233"
    ),
    'for $i in //ax230:rechargeTicket  return $i'
    passing XMLType(sm.RESPONSE_XML)
    columns "RECHARGE_TICKET_ID" VARCHAR2(200) path 'ax233:id') xt_rec_id

Answer 1

您的命名空间与您的来源 XML 和您的查询

不匹配

'http://data.soap.CDRator.com/xsd' as "ax233"

对

xmlns:ax233="http://core.data.soap.CDRator.com/xsd"

尝试从您的来源中删除 core. 或将 core. 添加到您的 XMLNAMESPACES for ax233.

修复错误：

ORA-19228: XPST0008 - undeclared identifier: prefix 'ax230' local-name 'ax230:rechargeTicket'
19228. 00000 -  "XPST0008 - undeclared identifier: prefix '%s' local-name '%s'"

您缺少 ax230 的命名空间声明，因此您需要向 XMLNAMESPACES 添加：

'http://payment.result.service.soap.CDRator.com/xsd' as "ax230",

如果查询的格式更好，您可能还会发现它更容易（除非您有理由按照现在的方式进行查询）。有关示例，请参见下文：

SELECT 
  t.error_code
, t.error_description
, t.code
FROM temp_soap_monitoring_topup sm
, XMLTABLE(
    XMLNAMESPACES (
      'http://schemas.xmlsoap.org/soap/envelope/' AS "soapenv",
      'http://service.soap.CDRator.com' as "ns",
      'http://core.data.soap.CDRator.com/xsd' as "ax2130",
      'http://webshop.result.service.soap.CDRator.com/xsd' as "ax2147",
      'http://core.signup.data.soap.CDRator.com/xsd' as "ns3",
      'http://service.soap.CDRator.com' as "ns5",
      'http://payment.result.service.soap.CDRator.com/xsd' as "ax230",      
      'http://core.data.soap.CDRator.com/xsd' as "ax233",
      'http://core.result.service.soap.CDRator.com/xsd' as "ax232"
    )
  , 'soapenv:Envelope/soapenv:Body/ns:updateRechargeTicketResponse/ns:return'
  PASSING XMLTYPE(sm.response_xml)
  COLUMNS
    error_code        VARCHAR2(100) PATH 'ax232:code/text()'
  , error_description VARCHAR2(100) PATH 'ax232:description/text()'
  , code              VARCHAR2(100) PATH 'ax230:rechargeTicket/ax233:code/text()'
  ) t

从 clob 数据类型 xml 值中提取数据

Extract the data from clob data type xml value

xml

sql

oracle

xml-namespaces