XML TYPE BNULL UPDATION

Sir,
I have XML content in a xml type identifier as shown below.
</VitalSummary>
<VitalMngId/>
     <FacilityTypeId>11</FacilityTypeId>
     <VitalLatesetMngRev>1</VitalLatesetMngRev>
     <VitalFrameId>0</VitalFrameId>
     <MeasureDateTime>20060707163420</MeasureDateTime>
     <CreatePractitioner>20060707163420</CreatePractitioner>
     <CreateDateTime>20060707163420</CreateDateTime>
     <DeleteFlag>0</DeleteFlag>
     <ConnectionNumber>0</ConnectionNumber>
     <PatientId>ANH1</PatientId>
     <ToUpdateFlag>true</ToUpdateFlag>
     <UpdatePractitioner>PRA1</UpdatePractitioner>
     <UpdateDateTime>20060707163420</UpdateDateTime>
</VitalSummary>
I want to know how I can set the value to the node <VitalMngId/> which is null.I can set value to other nodes using the code as shown below in a oracle Stored procedure.
PROCEDURE SET_VitalSummary(VitalSummary IN OUT xmltype);
TnodelistVitFID dbms_xmldom.DOMNodeList;
TnodeVitFID dbms_xmldom.DOMNode;
TnodelistVitMngId dbms_xmldom.DOMNodeList;
TnodeVitMngId dbms_xmldom.DOMNode;
Tdoc := dbms_xmldom.newDOMDocument(VitalSummary);
TnodelistVitFID := xslprocessor.selectNodes(dbms_xmldom.makeNode(Tdoc),'/VitalSummary/FacilityTypeId');
TnodeVitFID := dbms_xmldom.item(TnodelistVitFID , 0);
dbms_xmldom.setData(dbms_xmldom.getFirstChild(TnodeVitFID), '55');
I can change the value of <FacilityTypeId> from 11 to 55.
But I can't change the value of <VitalMngId> using the code as shown below because it is null
TnodelistVitMngId := xslprocessor.selectNodes(dbms_xmldom.makeNode(Tdoc),'/VitalSummary/VitalMngId');
TnodeVitMngId := dbms_xmldom.item(TnodelistVitMngId, 0);
dbms_xmldom.setData(dbms_xmldom.getFirstChild(TnodeVitFID), '10');
Can you inform me how i can set a value to xml node if it is null.
Regards,
Aneesh Kumar.P

Hi,
I got the Solution .Updation of the required xml null node in my example can be perform using the following statement
TnodeVitMngId := xmldom.appendChild(TnodeVitMngId, xmldom.makeNode(xmldom.createTextNode(Tdoc, '10')));
Regards,
Aneesh Kumar.P
Message was edited by:
user525828

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one where clause is missing in the main update.
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SQL>
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3 /
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PROFILEDETAILS_PKEY TARGET_SOU COLUMN_NAM DATA_TYPE DATA_SIZE START_POSITION CHANGE_TYP
                399 test       test1      test2              1              2 A
                403 test3      test4      test5              3              4 B
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SQL>
SQL> create or replace directory xmldir as '/home/ants';
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SQL>
SQL>
SQL>
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2 set (target_source_table,column_name, data_type, data_size, start_position,change_type)
3 =(
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2 rows updated.
SQL>
SQL>
SQL> select * from fm_profiledet;
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SQL> spool off;Ants
Message was edited by:
Ants Hindpere

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Who did you create the second table, in other words, how did you COPY the table as you said...
If you created the second table via a CTAS (create table as select) then you will have created a table that is not the same as the original one. AFAIK I have once created an enhancement request for this after discovering that JDeveloper, for example, creates a "copy" via a CTAS which creates the wrong structure. Double check via package DBMS_METADATA.
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SQL> select DBMS_METADATA('TABLE','TABLE_WITH_XMLTYPE','SchemaA') from dual;
SQL> select DBMS_METADATA('TABLE','TABLE_WITH_XMLTYPE','SchemaB') from dual;If you have got two different tables, than Mark's solution should help.
M.
Edited by: Marco Gralike on Feb 15, 2009 11:16 AM

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</PROD-LIST>
Please let me know how to achieve this , i was trying write function , it was working for one values ,but how to do if many values exist .

Take a deep breath, then retype this putting in all the words and punctuation you missed out the first time until it makes sense.
Your sample data, for example, could be better formatted using the [pre] and [/pre] tags to preserve formatting and put in a table format. Similarly with your output. Why are two of the numbers floating around freely in your xml but the 3rd isn't?

Inserting a row in a schema-based xml type column

i have problems while inserting a row in a schema-based xml type column
it reports an error(schema and elemnt do not match)
although they are matching if anyone can try it
and if it worked plz send me the example

SQL> DESC XML_TAB;
Name Null? Type
XML XMLTYPE
SQL> INSERT INTO XML_TAB
2 VALUES
3 (xmltype('<request>
4 <filter>(extshortname=bhagat)</filter>
5 <attributes>dn</attributes>
6 <context/>
7 <scope>subtree</scope>
8 </request>'));
1 row created.
If your problem persists,post ur lines of code..
Good luck!!!
Bhagat

Binding ADF UI to a complex XML Type – Development Productivity, State Mgmt

Binding ADF UI to a complex Web Service – Development Productivity, Managing State, Etc.
For those scenarios when ADF UI has to be bound to a complex XML type, it seems that the direction taken by the ADF development team was to generate data-controls that map to complex XML types.
The major problem with this approach is the fact that application server does not manage state. For example, If application has to submit a purchase order to a web service then application server has to manage the shopping card state until its ready to be submitted.
In some previous forum threads it had been suggested that using generated data-controls is a “quick and dirty” solution for accessing web services and that a proper solution is to use generated Java Proxy Interface.
That implies many manually constructed entity objects, associations and overridden doDML methods, which is far less productive compared to entity objects generated from a database schema.
Suggestion and a Question for the ADF development team
From the logical model standpoint, there is no difference in between the XML schema and DB schema. Therefore, it is possible to generate entity objects and associations for XML Types of XML schema the same way it’s done for tables of Database schema. The only difference is serialization of CRUD operations on entity objects.
One way to handle this is:
-     Generate Application Module for a complex XML type. This application module should have methods for marshaling to/from corresponding XML type.
-     Generate entity object for each subtype within the complex XML type. In case of nested subtypes, generate association to a parent type.
-     Generate data control with actions that are bound to web service operations and code that serializes request message from corresponding AM and de-serializes response message to corresponding AM.
This way, ADF would offer the same productivity for the SOA development as one its currently offering for the ORM development.
Until the time when something like this is available, what would be the best approach for binding ADF UI to web services?
Feedback is greatly appreciated.
Boro Petrovic
Edited by: wds12518 on Jan 25, 2010 11:49 AM

We have similar issues as our big portion of the UI is based on WS. We found that there is no easy way to map entity object structure to complex XML type (one EO can based on one flat type or domain can't be bound to UI directly). Oracle PMs, is there any better solution or future plans to address this issue?

Parsing the data from and xml type field

Hi - I have registered a schema and inserted arecord into the table with the xml type column. Now I want to parse the data from the xmltype field into a relational table. I have been using the following select statement to accomplish this - and it does work if there is data in all the selected fields but when the filed is null then the whole select statement fails and brings back 'no rows returned'.If the value is null I want the select statment to return null. please give any ideas.
SELECT version,frmd_transaction_date,extractValue(value(b), 'event_update/location')"location",
extractValue(value(b), 'event_update/sending_system')"sending_system",
extractValue(value(b), 'event_update/event_identifier')"event_identifier",
extractValue(value(b), 'event_update/event_link')"event_link",
extractValue(value(b), 'event_update/organization_code')"organization_code",
nvl(extractValue(value(c), '/schedule/event_duration_minutes'),'000')"event_minutes"
FROM fraamed_user.frmd_event_update , TABLE(xmlsequence(extract(xml_event_update, '/event_update')))b,
TABLE(xmlsequence(extract(xml_event_update, '/event_update/schedule')))c

...then I guess you have to rewrite the query.
Is schedule another xml sequence inside of event_update sequence ?
If it is not you can try this :
SELECT version,frmd_transaction_date,extractValue(value(b), '/event_update/location/text()')"location",
extractValue(value(b), '/event_update/sending_system/text()')"sending_system",
extractValue(value(b), '/event_update/event_identifier/text()')"event_identifier",
extractValue(value(b), '/event_update/event_link/text()')"event_link",
extractValue(value(b), '/event_update/organization_code/text()')"organization_code",
extractValue(value(b), '/event_update/schedule/event_duration_minutes/text()')"event_minutes"
FROM fraamed_user.frmd_event_update , TABLE(xmlsequence(extract(xml_event_update, '/event_update')))b
...if yes, did you try nvl function (I don't think this would be a solution of a problem):
SELECT version,frmd_transaction_date,nvl(extractValue(value(b), '/event_update/location/text()')"location", 'NULL VALUE'),
nvl(extractValue(value(b), '/event_update/sending_system/text()')"sending_system",'NULL VALUE'),
nvl(extractValue(value(b), '/event_update/event_identifier/text()')"event_identifier",'NULL VALUE'),
nvl(extractValue(value(b), '/event_update/event_link/text()')"event_link",'NULL VALUE'),
nvl(extractValue(value(b), '/event_update/organization_code/text()')"organization_code",'NULL VALUE'),
nvl(extractValue(value(c), '/schedule/event_duration_minutes/text()')"event_minutes",'NULL VALUE')
FROM fraamed_user.frmd_event_update , TABLE(xmlsequence(extract(xml_event_update, '/event_update')))b,
TABLE(xmlsequence(extract(xml_event_update, '/event_update/schedule')))c
If none of this works post your xml schema.

XML-Type and reference to unavailable DTD causes validation problems

Hi,
I'm fairly new to Oracle's XML features. I've created a view that produces XML from a number of tables. The resulting XML is used to be stored on a web site for download by customers (this is a manual process about once a week via a CMS). It contains a reference to a DTD that is available on the web server, too. This XML must also be stored in the Oracle database. The problem is that the Oracle Server is not allowed to access any web site (Oracle server is in inhouse network with no access allowed to the world outside). So I can't store the XML in an XML-type column, as the Oracle server wants to validate the XML against the referenced DTD. There is an option not to validate the XML. But then I get the error when I try to access the XML afterwards. So up to now I use a CLOB column to store the XML, but then I lose all the benefits of an XML-type column. Is there any workaround?
TIA,
Stefan

In 10.2.0.2.0 The following works
SQL> drop table TEST_XML
2 /
Table dropped.
SQL> create table TEST_XML (
2     XML_SEQ number(10) not NULL,
3     XML_DOC XMLType not NULL
4 )
5 /
Table created.
SQL> drop sequence TEST_XML_SEQ
2 /
Sequence dropped.
SQL> create sequence TEST_XML_SEQ
2 /
Sequence created.
SQL> create or replace view V_EMP_XML as select
2         -- Processing Instruction
3         '<?xml version="1.0" encoding="ISO-8859-1"?>' ||
4         -- DTD reference
5         '<!DOCTYPE employees SYSTEM "http://myserver/dtd/employees.dtd">' ||
6         SYS.XMLTYPE.getClobVal(
7            XMLElement("employees",
8               (select XMLAgg(
9                          XMLElement("emp",
10                             XMLAttributes(
11                                e.EMPNO as "empno",
12                                e.DEPTNO as "deptno"
13                             ),
14                             XMLElement("ename", e.ENAME),
15                             XMLElement("job", e.JOB),
16                             XMLElement("salary", e.SAL),
17                             XMLElement("hiredate", to_char(e.HIREDATE, 'YYYY-MM-DD'))
18                          )
19                       order by e.EMPNO
20                       )
21                from   SCOTT.EMP e
22               )
23            )
24         ) as XML_DOC
25 from   DUAL
26 /
View created.
SQL>
SQL> insert into TEST_XML
2 (
3    XML_SEQ,
4    XML_DOC
5 )
6 select TEST_XML_SEQ.NEXTVAL,
7         XMLType(v.XML_DOC, NULL, 1, 1)
8 from   V_EMP_XML v
9 /
1 row created.
SQL> select t.XML_DOC.getClobVal() as RESULT
2 from   TEST_XML t
3 where t.XML_SEQ = 1
4 /
RESULT
<?xml version="1.0" encoding="ISO-8859-1"?><!DOCTYPE employees SYSTEM "http://my
SQL> select extract(t.XML_DOC, '//emp[@deptno=20]').getClobVal() as RESULT
2 from   TEST_XML t
3 where t.XML_SEQ = 1
4 /
ERROR:
ORA-31011: XML parsing failed
ORA-19202: Error occurred in XML processing
LPX-00202: could not open "http://myserver/dtd/employees.dtd" (error 101)
Error at line 1
no rows selected
SQL> alter session set events ='31156 trace name context forever, level 2'
2 /
Session altered.
SQL> select extract(t.XML_DOC, '//emp[@deptno=20]').getClobVal() as RESULT
2 from   TEST_XML t
3 where t.XML_SEQ = 1
4 /
RESULT
<emp empno="7369" deptno="20"><ename>SMITH</ename><job>CLERK</job><salary>800</s
SQL>

Newbie question on indexing XML type

I cannot get a query to use an index I created for an XML type. Here is my setup:
create table XmlTest( id number,
data_xml XMLType)
XmlType data_xml STORE AS CLOB;
I inserted 10,000 records like this ( each record has a unique id):
insert into XmlTest(id, data_xml) values
( 1
, XMLType('<company>
<department>
<id>10</id>
<name>Accounting</name>
</department>
</company>'));
I then created this index:
CREATE INDEX xmltest1
ON xmltest (extractValue(data_xml, '/company/department/id'));
When I run this query, it takes a long time - 12 seconds.
SELECT id from xmltest
WHERE EXISTSNODE( data_xml, '/company/department[id="37500"]') = 1;
it is doing a full table scan. What is wrong with my index?
Thanks!

I've yet to have the opportunity to work with indexes on XML data but I suspect it is because your index alone cannot satisfy the results of the query and the data you want is from every row in the table so a FTS is the best approach.
To restate, you are asking for the id value from the table where the XML contains a certain node. This node exists in every entry in the index, so why use the index if you have to go get data from the table.
Or it is because EXISTSNODE is checking for a different condition then your index was defined on. I suspect if you do something like /company/department/id[. = '10'] in your EXISTSNODE, it should use the index.
All this is a guess and the best place for you to look is the {forum:id=34} forum and also [Marco's Blog|http://www.liberidu.com/blog/]

XML TYPE BNULL UPDATION

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