' Gets an attribute xsi: type with XMLType object relational storage.
HelloHow to recover the attribute xsi: type, when you use storage relational XMLType object.
When you have for example a ProductOrder object type and one object type MoveOrder what a CustomerOrder extensions type how to recover if the CustomerOrder is a kind of MoveOrder or ProductOrder attribute:
< ns2:customerOrder xsi: type = "ns3:UpcProductOrder" >
I would use the XMLTable service in combination with the XPath rewrite.
version of the database 11.2.0.2
Thanks for the details.
As I said in my first answer, the prefix xsi is predefined, don't try to redeclare him.
I know that sounds strange and is in contradiction with what the manual, but it seems to work that way with the storage of GOLD.
http://docs.Oracle.com/CD/E11882_01/AppDev.112/e23094/xdb_xquery.htm#CBAJBDFA
You can use these prefixes in XQuery expressions without first declaring in the prologue of the XQuery expression. You can redefine any of them except xml in the prologue.
If documentation bug or implementation bug? I do not know.
In any case:
SQL> BEGIN
2 DBMS_XMLSCHEMA.registerSchema(
3 SCHEMAURL => 'test_otn.xsd',
4 SCHEMADOC => bfilename('TEST_DIR','test_otn.xsd'),
5 CSID => nls_charset_id('AL32UTF8')
6 );
7 END;
8 /
PL/SQL procedure successfully completed
SQL>
SQL> insert into cust_order values (xmltype
2 ('
3
6 a
7 b
8 '));
1 row inserted
SQL>
SQL> SELECT order_id
2 , order_item
3 , order_type
4 FROM cust_order
5 , XMLTABLE (
6 XMLNamespaces ('http://bla.com' as "ns1")
7 , '/ns1:customerOrder'
8 passing object_value
9 columns order_id varchar2(20) path 'ns1:orderId'
10 , order_item varchar2(20) path 'ns1:orderItem'
11 , order_type varchar2(30) path '@xsi:type'
12 ) ;
ORDER_ID ORDER_ITEM ORDER_TYPE
-------------------- -------------------- ------------------------------
a b http://bla.com:ProductOrder
And if you do want the local name:
SQL> SELECT order_id
2 , order_item
3 , order_type
4 FROM cust_order
5 , XMLTABLE (
6 XMLNamespaces ('http://bla.com' as "ns1")
7 , '/ns1:customerOrder'
8 passing object_value
9 columns order_id varchar2(20) path 'ns1:orderId'
10 , order_item varchar2(20) path 'ns1:orderItem'
11 , order_type varchar2(30) path 'local-name-from-QName(@xsi:type)'
12 ) ;
ORDER_ID ORDER_ITEM ORDER_TYPE
-------------------- -------------------- ------------------------------
a b ProductOrder
Hope that helps.
Tags: Database
Similar Questions
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Unable to get XML attributes in elements with function XMLTABLE
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This is the create/insert statements:
CREATE TABLE XML_TBL_TEST
(
ID NUMBER,
XMLTYPE data
);
INSERT INTO XML_TBL_TEST
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< username = "Name1" >
<>projects
< Project = '100' QId OpId = PName "101" = "PName1" >
< group >
< group GName = "GName1" >
elements <>
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< ops >
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< options >
< name of option = "Name1" Value = "V1" / >
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< option Name = "Conjoint4" Value = "V4" / >
< name of option = "Name5" Value = "V5" / >
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< / options >
< /op >
< / ops >
< / point >
< point OName = "OName2" Type = "Type2" >
< / point >
< / object >
< / Group >
< group GName = "GName2" >
< point OName = "OName3" Type = "Type3" >
< / point >
< / Group >
< / group >
< / project >
< OpId project = "200" QId = "201" PName = "PName2" >
< / project >
< / project >
< / user >
< username = "Name2" >
< / user >
< username = "Name3" >
< / user >
((< / user > '));
The query below will draw the Name attribute in the element of the user but not the OpId, QId and PName attributes on the child of the Project element.
SELECT x.*
OF XML_TBL_TEST t.
XMLTABLE (-with xmlnamespaces ('http://www.w3.org/2001/XMLSchema-instance' as "xsi"), )
"/ Users/user.
PASSAGE t.data
COLUMNS - ID FOR ORDINALITE 'ID,' NUMBER
Name VARCHAR2 (30) PATH "@Name."
PATH of VARCHAR2 (30) PName ' / Projects/Project/@PName',
QId NUMBER PATH ' / Users/User/Projects/Project/@QId' by DEFAULT 0,
OpId NUMBER PATH '. (/ Project/@OpId' 0 by DEFAULT) x;
The following query will get OpId, QId and PName attributes in the child project item.
SELECT x.*
OF XML_TBL_TEST t.
XMLTABLE (-with xmlnamespaces ('http://www.w3.org/2001/XMLSchema-instance' as "xsi"), )
"/ Users/user/projects/Project.
PASSAGE t.data
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PName VARCHAR2 (30) PATH "@PName."
QId NUMBER PATH "@QId" default 0,
OpId NUMBER PATH "@OpId" DEFAULT 0) x;
How can I get all the attributes for a given element in the XML document. I tried a number of options without success.
FYI, SM
Because there may be several projects under a user, you must use a 2nd XMLTABLE chained (or a more complex XQuery expression) to retrieve the attributes of two orders:
SQL > SELECT / * + no_merge (x 1) * /.
2 x 1. Username, x2.*
Xml_tbl_test 3 t
4, XMLTABLE)
5 "/ users/user.
6 in PASSING t.data
7 COLUMNS
Username 8 VARCHAR2 (30) PATH '@Name '.
9, XMLType PATH "Projects/Project" projects
(10) x 1
11, XMLTABLE)
12 "/ project".
13 by the WAY x 1. Projects
14 COLUMNS
NUMBER 15 QId PATH '@QId '.
16, ROAD NUMBER OpId '@OpId '.
17, PName VARCHAR2 (30) PATH '@PName '.
(18) (+) x 2
19;
QID OPID PNAME USERNAME
------------------------------ ---------- ---------- ------------------------------
Name1 PName1 101 100
Name1 PName2 201 200
NAME2
NAME3
NB: I used the trick no_merge because of a bug in my version (11.2.0.4)
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The API we use in 'Create Simple Virtual Machine' - createVM_Task() - creates the virtual machine and attach it to a pool of resources, it requires a resource pool parameter.
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Oracle 11g Release 2
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Select emp_id, emp_dep dep.dependent_name;
*
ERROR on line 1:
ORA-00904: "DEP". "" DEPENDENT_NAME ": invalid identifier
Select emp_id, emp_dep ed ed.dep.dependent_name
EMP_ID DEP. DEPENDENT_NAME
---------- ------------------------------
1 JACK SMITH
The first query gave the name of the column without a table name or alias, if it does not. The second gave table.column.field and worked.
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Use the default STUDENTS_T constructor in the query from the view:
VIEW to CREATE or REPLACE students_t students_view
WITH the OBJECT IDENTIFIER (dcid) AS
Select (students_t)
DECIDED
id
last_name
first name
middle_name
, contact_t (dcid, contact_name, city, state, zip, email)
)
FROM MyTable;
Then, for example:
SQL > select t.id
2, t.contact.contact_name
3, t.contact.city
4 t students_view;
ID CONTACT. CONTACT CONTACT_NAME. CITY
----------- -------------------------------------------------- --------------------------------------------------
1 TEST LA
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ON the collection of type of the object does not not with GROUP BY
Hello
I have an object of type with the collection defined as:
When I use simple SQL without no aggregation, the distinct keyword works well and returns me the separate entry of my type of object in the collection:create or replace type individu_ot as object ( numero_dossier number(10), code_utilisateur varchar2(8 char), nom varchar2(25 char), prenom varchar2(25 char), map member function individu_map return number ) / create or replace type body individu_ot is map member function individu_map return number is begin return SELF.numero_dossier; end individu_map; end; / create or replace type individu_ntt is table of individu_ot /
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Is there something that I am missing?
Thank you
BrunoNot a bug, rather an undocumented feature.
Here are some alternatives that you can test:
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(2) using the MULTISET with a subquery
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Hello
Is possible to compile code like this in Oracle SQL?
CREATE OR REPLACE TYPE type_obj IS OBJECT ( MEMBER FUNCTION f RETURN table_obj ); CREATE OR REPLACE TYPE table_obj AS TABLE OF type_obj;
In Java, it would be possible.
Thanks in advance
Circular dependencies must be resolved by means of REF pointers and incomplete type definition.
See: Oracle objects management
CREATE or REPLACE TYPE type_obj;
/
CREATE or REPLACE TYPE table_obj AS TABLE OF ref type_obj;
/
CREATE or REPLACE TYPE type_obj () IS OBJECT
fake number
Table_obj RETURN of the FUNCTION MEMBER f
);
/
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Hello world
I am trying to insert data into a table using a type of object
Here is my code
Please help me where I'm wrong...
Thank you
Code for the object. Type
Now I want to insert data into the table like thiscreate or replace type emp_rec_type as object ( empno number ,name varchar2(20) ,salary number(7,2) ,job varchar2(10) ,hiredate date ,commno number(7,2) ,deptno number(4));
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Concerning
ProstYou can create the table of the object:
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Kind regards
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The list of values
Collection <>? fieldValues can only be = field.get (entry) (Collection <>?);
Ignore null lists
If (fieldValues can only be! = null) {}
for (last object o: fieldValues can only be) {}
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attributeValues.add ((String) converterManager.convert (o, attributeInfo.getSyntax (),))
targetClass));
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(e);
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}
}These objects is perhaps only byte [] or String?
Fix.
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FindByIP fails with «the object has already been deleteted...» »
I use axis2c to access VM web services. I can successfully recover a ServiceInstance a Login.
I then try to find a virtual machine by sending the following text:
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& lt;? XML version = "1.0" encoding = "UTF-8"? & gt;
" & lt; soapenv:Envelope xmlns:soapenc = ' http://schemas.xmlsoap.org/SOAP/encoding/ "
' xmlns:soapenv = ' http://schemas.xmlsoap.org/SOAP/envelope/ "
" container = ' http://www.w3.org/2001/XMLSchema "
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& lt; soapenv:body & gt;
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& lt; / soapenv:Body & gt;
& lt; / soapenv:Envelope & gt;
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Managed object type: ManagedObjectReference:SearchIndex
ID of the object managed: Indexderecherche
Method: FindByIp
ManagedObjectReference:ManagedEntity FindByIp
Parameters
Name
Type
Value
Data center (optional)
ManagedObjectReference:Datacenter
ip (required)
string
vmSearch (required)
Boolean
Result of Invocation of method: ManagedObjectReference
Name
Type
Value
name
string
'Return value '.
Val
ManagedObjectReference:VirtualMachine
Any help is appreciated!
Petwe
Something wrong in your SOAP request. The 'object' mentioned in the fault Declaration does NOT mean the subject of the virtual machine that you are trying to perform a search by IP, but the object of the SerachIndex with which the FindByIp() method is defined.
< n: _this type = "Indexderecherche" > FindByIp < / n: _this >
should be
< n: _this type = "Indexderecherche" > Indexderecherche < / n: _this >
I'm not very sure if the value of the second Indexderecherche, maybe it's 'Indexderecherche', but you can check with the CROWD.
The "FindByIp" must be earlier to < n: _this.
In addition, I don't have a "n" before namespace. How do you have it?
Steve JIN
Author of VMware VI and vSphere SDK (Prentice Hall)
Creator of open source (VI) vSphere Java API(tutorial, testimonials, download, samples)
Blog: DoubleCloud.ORG ( Top 10 best practices, [common mistakes | http://www.doublecloud.org/2010/01/31/Common-Mistakes-using-VMware-VI-and-vSphere-SDK/], Tiny REST API)
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Expose the QGeoAddress with Q_PROPERTY object to QML
Hello
I have a class that I wrote which gets the location of the device and does a reverse search for Geolocation. In my C++, I have an QGeoAddress object, but when I try and access its attributes of QML, I get a "property: unknown type: address QGeoAddress ' error."
I'm loading my class, called LocationInformation in QML by using attachedObects:
attachedObjects: [ LocationInformation { id: locationInformation } ]
In my head of class LocationInformation, I set the latitude and longitude as attributes such as address:
class LocationInformation : public QObject { Q_OBJECT Q_PROPERTY(double latitude READ latitude) Q_PROPERTY(double longitude READ longitude) Q_PROPERTY(QGeoAddress address READ getAddress) ... }
I am able to call locationInformation.latitude and get a value, but this isn't the case for the address. I have to perform an extra step in order to obtain an QGeoAddress object to be recognized by QML?
Thank you
javabb
QGeoAddress inherit from QObject, my code snippet above will not work (and is what this error means ). To expose to QML, you would have to wrap up in your own C++ class that extends from QObject. Or just use c++ instead of QML.
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