我正在尝试解析 PL/SQL 中的 XML。我无法从标签中检索属性值,我做错了什么?
I'm trying to parse an XML in PL/SQL. I am unable to retrieve the attribute values from a tag, what am i doing wrong?
以下XML 不会解析。请找到我正在使用的确切代码 -
DECLARE
x XMLType := XMLType(
'<ns0:CreateSODSOrder xmlns:ns0="http://schemas.dell.com/services/isp/OrderHistory/3.5" xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/" MessageType="CREATE">
<ns0:CreateOrder>
<ns0:SalesOrder ORDER_NUM="302199286" DPID="GB2003-2120-85049" PO_NUM="test" ORDER_BUID="202" DPS_NUM="" CHANNEL="ENTP" SUB_CHANNEL="GB_IC1A" ORDER_TYPE="GB ENT Order" REBOOKED_ORDER_NUM="" SALES_REP_NAME="SANJANA_D_C" ORIGINAL_ORDER_REF_NUM="" AMF_ORDER_NUM="" IR_NUM="GB2003-2120-85049" CCN="GB_IC1A" CUSTOMER_NUM="GB90117414" CUSTOMER_BUID="202" ORDER_DATE="2019-09-30T07:59:32" COUNTRY_NUM="GB" CCN_DESC="GB Indirect Certified Tier 1A"/>
</ns0:CreateOrder>
</ns0:CreateSODSOrder>');
BEGIN
FOR r IN (
SELECT ExtractValue(column_value,'Sales/@ORDER_NAME') as name
-- ,ExtractValue(Value(p),'/row/Address/State/text()') as state
--,ExtractValue(Value(p),'/row/Address/City/text()') as city
FROM TABLE(XMLSequence(Extract(x,'/CreateSODSOrder/CreateOrder/SalesOrder')))
) LOOP
dbms_output.put_line(r.name);
END LOOP;
dbms_output.put_line('out');
END;
当我将 ns0: 与 CreateSODSOrder/CreateOrder/SalesOrder 一起使用时,它会引发 XML 解析错误。
您收到 XML 解析错误,因为缺少命名空间定义。
以下代码将解决命名空间问题,但在不知道您的意图的情况下很难获取值
DECLARE
x XMLType := XMLType(
'<ns0:CreateSODSOrder xmlns:ns0="http://schemas.dell.com/services/isp/OrderHistory/3.5" xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/" MessageType="CREATE">
<ns0:CreateOrder>
<ns0:SalesOrder ORDER_NUM="302199286" DPID="GB2003-2120-85049" PO_NUM="test" ORDER_BUID="202" DPS_NUM="" CHANNEL="ENTP" SUB_CHANNEL="GB_IC1A" ORDER_TYPE="GB ENT Order" REBOOKED_ORDER_NUM="" SALES_REP_NAME="SANJANA_D_C" ORIGINAL_ORDER_REF_NUM="" AMF_ORDER_NUM="" IR_NUM="GB2003-2120-85049" CCN="GB_IC1A" CUSTOMER_NUM="GB90117414" CUSTOMER_BUID="202" ORDER_DATE="2019-09-30T07:59:32" COUNTRY_NUM="GB" CCN_DESC="GB Indirect Certified Tier 1A"/>
</ns0:CreateOrder>
</ns0:CreateSODSOrder>');
BEGIN
FOR r IN (
SELECT ExtractValue(column_value,'Sales/@ORDER_NAME') as name
-- ,ExtractValue(Value(p),'/row/Address/State/text()') as state
--,ExtractValue(Value(p),'/row/Address/City/text()') as city
FROM TABLE(XMLSequence(Extract(x,'/ns0:CreateSODSOrder/ns0:CreateOrder/ns0:SalesOrder', 'xmlns:ns0="http://schemas.dell.com/services/isp/OrderHistory/3.5"' )))
) LOOP
dbms_output.put_line(r.name);
END LOOP;
dbms_output.put_line('out');
END;
使用 XMLTABLE
是个好主意,因为 ExtractValue
有点过时且已弃用。
下面添加了使用 XMLTABLE
获取属性的示例代码。
DECLARE
CURSOR get_data IS
SELECT *
FROM XMLTABLE(xmlnamespaces('http://schemas.dell.com/services/isp/OrderHistory/3.5' as "ns0", 'http://schemas.xmlsoap.org/soap/envelope/' as "soap-env" ),'ns0:CreateSODSOrder/ns0:CreateOrder/ns0:SalesOrder'
passing xmltype('<ns0:CreateSODSOrder xmlns:ns0="http://schemas.dell.com/services/isp/OrderHistory/3.5" xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/" MessageType="CREATE">
<ns0:CreateOrder>
<ns0:SalesOrder ORDER_NUM="302199286" DPID="GB2003-2120-85049" PO_NUM="test" ORDER_BUID="202" DPS_NUM="" CHANNEL="ENTP" SUB_CHANNEL="GB_IC1A" ORDER_TYPE="GB ENT Order" REBOOKED_ORDER_NUM="" SALES_REP_NAME="SANJANA_D_C" ORIGINAL_ORDER_REF_NUM="" AMF_ORDER_NUM="" IR_NUM="GB2003-2120-85049" CCN="GB_IC1A" CUSTOMER_NUM="GB90117414" CUSTOMER_BUID="202" ORDER_DATE="2019-09-30T07:59:32" COUNTRY_NUM="GB" CCN_DESC="GB Indirect Certified Tier 1A"/>
</ns0:CreateOrder>
</ns0:CreateSODSOrder>')
COLUMNS
ORDER_NUM VARCHAR2(30) PATH '@ORDER_NUM',
DPID VARCHAR2(30) PATH '@DPID');
BEGIN
FOR rec_ IN get_data LOOP
dbms_output.put_line(rec_.ORDER_NUM);
dbms_output.put_line(rec_.DPID);
END LOOP;
END;
以下XML 不会解析。请找到我正在使用的确切代码 -
DECLARE
x XMLType := XMLType(
'<ns0:CreateSODSOrder xmlns:ns0="http://schemas.dell.com/services/isp/OrderHistory/3.5" xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/" MessageType="CREATE">
<ns0:CreateOrder>
<ns0:SalesOrder ORDER_NUM="302199286" DPID="GB2003-2120-85049" PO_NUM="test" ORDER_BUID="202" DPS_NUM="" CHANNEL="ENTP" SUB_CHANNEL="GB_IC1A" ORDER_TYPE="GB ENT Order" REBOOKED_ORDER_NUM="" SALES_REP_NAME="SANJANA_D_C" ORIGINAL_ORDER_REF_NUM="" AMF_ORDER_NUM="" IR_NUM="GB2003-2120-85049" CCN="GB_IC1A" CUSTOMER_NUM="GB90117414" CUSTOMER_BUID="202" ORDER_DATE="2019-09-30T07:59:32" COUNTRY_NUM="GB" CCN_DESC="GB Indirect Certified Tier 1A"/>
</ns0:CreateOrder>
</ns0:CreateSODSOrder>');
BEGIN
FOR r IN (
SELECT ExtractValue(column_value,'Sales/@ORDER_NAME') as name
-- ,ExtractValue(Value(p),'/row/Address/State/text()') as state
--,ExtractValue(Value(p),'/row/Address/City/text()') as city
FROM TABLE(XMLSequence(Extract(x,'/CreateSODSOrder/CreateOrder/SalesOrder')))
) LOOP
dbms_output.put_line(r.name);
END LOOP;
dbms_output.put_line('out');
END;
当我将 ns0: 与 CreateSODSOrder/CreateOrder/SalesOrder 一起使用时,它会引发 XML 解析错误。
您收到 XML 解析错误,因为缺少命名空间定义。 以下代码将解决命名空间问题,但在不知道您的意图的情况下很难获取值
DECLARE
x XMLType := XMLType(
'<ns0:CreateSODSOrder xmlns:ns0="http://schemas.dell.com/services/isp/OrderHistory/3.5" xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/" MessageType="CREATE">
<ns0:CreateOrder>
<ns0:SalesOrder ORDER_NUM="302199286" DPID="GB2003-2120-85049" PO_NUM="test" ORDER_BUID="202" DPS_NUM="" CHANNEL="ENTP" SUB_CHANNEL="GB_IC1A" ORDER_TYPE="GB ENT Order" REBOOKED_ORDER_NUM="" SALES_REP_NAME="SANJANA_D_C" ORIGINAL_ORDER_REF_NUM="" AMF_ORDER_NUM="" IR_NUM="GB2003-2120-85049" CCN="GB_IC1A" CUSTOMER_NUM="GB90117414" CUSTOMER_BUID="202" ORDER_DATE="2019-09-30T07:59:32" COUNTRY_NUM="GB" CCN_DESC="GB Indirect Certified Tier 1A"/>
</ns0:CreateOrder>
</ns0:CreateSODSOrder>');
BEGIN
FOR r IN (
SELECT ExtractValue(column_value,'Sales/@ORDER_NAME') as name
-- ,ExtractValue(Value(p),'/row/Address/State/text()') as state
--,ExtractValue(Value(p),'/row/Address/City/text()') as city
FROM TABLE(XMLSequence(Extract(x,'/ns0:CreateSODSOrder/ns0:CreateOrder/ns0:SalesOrder', 'xmlns:ns0="http://schemas.dell.com/services/isp/OrderHistory/3.5"' )))
) LOOP
dbms_output.put_line(r.name);
END LOOP;
dbms_output.put_line('out');
END;
使用 XMLTABLE
是个好主意,因为 ExtractValue
有点过时且已弃用。
下面添加了使用 XMLTABLE
获取属性的示例代码。
DECLARE
CURSOR get_data IS
SELECT *
FROM XMLTABLE(xmlnamespaces('http://schemas.dell.com/services/isp/OrderHistory/3.5' as "ns0", 'http://schemas.xmlsoap.org/soap/envelope/' as "soap-env" ),'ns0:CreateSODSOrder/ns0:CreateOrder/ns0:SalesOrder'
passing xmltype('<ns0:CreateSODSOrder xmlns:ns0="http://schemas.dell.com/services/isp/OrderHistory/3.5" xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/" MessageType="CREATE">
<ns0:CreateOrder>
<ns0:SalesOrder ORDER_NUM="302199286" DPID="GB2003-2120-85049" PO_NUM="test" ORDER_BUID="202" DPS_NUM="" CHANNEL="ENTP" SUB_CHANNEL="GB_IC1A" ORDER_TYPE="GB ENT Order" REBOOKED_ORDER_NUM="" SALES_REP_NAME="SANJANA_D_C" ORIGINAL_ORDER_REF_NUM="" AMF_ORDER_NUM="" IR_NUM="GB2003-2120-85049" CCN="GB_IC1A" CUSTOMER_NUM="GB90117414" CUSTOMER_BUID="202" ORDER_DATE="2019-09-30T07:59:32" COUNTRY_NUM="GB" CCN_DESC="GB Indirect Certified Tier 1A"/>
</ns0:CreateOrder>
</ns0:CreateSODSOrder>')
COLUMNS
ORDER_NUM VARCHAR2(30) PATH '@ORDER_NUM',
DPID VARCHAR2(30) PATH '@DPID');
BEGIN
FOR rec_ IN get_data LOOP
dbms_output.put_line(rec_.ORDER_NUM);
dbms_output.put_line(rec_.DPID);
END LOOP;
END;