How to set bind variables for child VO in hierarchy component?

Hi,
Recently I created a application with Hierarchy Component with Parent VO (Query based VO with Bind variables in it) and its Child VO along with Child-Child VO(Query based VO with bind variable in it)
I am able to set bind variable of parent VO but unable to set bind variable for Child-Child VO. Can any one help me regarding this issue?

Hi i am getting this exception " Cannot create an object of type:java.lang.Number from type:oracle.bpel.services.datacontrol.data.DataObject with value:21159"
Actually i am getting Decimal Value from Payload of BPEl process and i am trying to set this to The bind variable
is that a type cast exception where can i typeCast Those values You should this in a new thread.Dont ask questions out of the scope of this thread.
Please mark this thread as answered or helpful if you got solution for this thread.
Thanks!!!

Similar Messages

How to set bind variable for a VO ,

Hi,
i got a requirement in which i have to set bind variable for VO , But the Bind variable is coming from payload attribute,
For example my query in VO is select * from Employee where emp_id="payload attribute"
How to set this attribute value is from the payload
Thanks Regard
Rajendar

Hi i am getting this exception " Cannot create an object of type:java.lang.Number from type:oracle.bpel.services.datacontrol.data.DataObject with value:21159"
Actually i am getting Decimal Value from Payload of BPEl process and i am trying to set this to The bind variable
is that a type cast exception where can i typeCast Those values You should this in a new thread.Dont ask questions out of the scope of this thread.
Please mark this thread as answered or helpful if you got solution for this thread.
Thanks!!!

How to set enviroment variables for Inso Filter

Hi everyone,
I want to convert word documents to html using CTX_DOC.Filter.According to the documentation,I know I neednot set the 'Inso Filter'in the preference when creating index,but I must set enviroment variables for Inso Filter.
I found the following instructions for it in the 8.1.5 documentation,but I can't understand it well.Is there anyone can tell me how to set enviroments variables for Inso Filter on Windows2000 Server?(My DB version is 8.1.7EE)
Environment Variable Locations
All environment variables related to Inso filtering must made visible to interMedia Text. Set these variables in the following locations:
listener.ora file. This makes the environment variables visible to the extproc PL/SQL process.
The operating system shell from where ctxsrv server is started. This makes the environment variables visible to the ctxsrv process, which does background DML.
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Reemon
null

NSAPI plugins are normally configured using parameters specified in magnus.conf and/or obj.conf. What plugin requires you set an environment variable?

Is it possible to set bind variable for picklist?? for messageChoice

we are trying to develop one new page in local JDeveloper.
we have requirement for passing a bind variable to a picklist. is it possible?
Item Type : messageChoice
Query:
SELECT DISTINCT TO_CHAR (effective_date, 'YYYY') TYPE
FROM pay_assignment_actions a, pay_payroll_actions b
WHERE a.payroll_action_id = b.payroll_action_id
AND assignment_id =
(SELECT assignment_id
FROM per_assignments_x
WHERE person_id = :person_id AND primary_flag = 'Y'
AND assignment_type = 'E')
AND a.action_status = 'C'
AND b.payroll_action_id IN (SELECT payroll_action_id
FROM pay_payroll_actions_v
WHERE action_type IN ('P'))
AND b.payroll_action_id IN (SELECT payroll_action_id
FROM xxilo_pre_payments)
ORDER BY 1 DESC
processRequest() code:
PayslipAMImpl am=(PayslipAMImpl)pageContext.getApplicationModule(webBean);
YearPicklistVOImpl yvo=(YearPicklistVOImpl)am.getYearPicklistVO1();
Number t = new Number(pageContext.getEmployeeId());
yvo.setWhereClauseParams(null);
yvo.setWhereClauseParam(0,t);
for this query & code we are getting
ERROR:
java.sql.SQLException: Missing IN or OUT parameter at index:: 1
if we hardcoded person_id in query to some value then we are getting results without any error.

user603084 ,
In the query you have specifies bind variable as :person_id , but in your VO execution code you are setting value for bind variable :1
yvo.setWhereClauseParam(0,t);
You need to change the bind variable in query , like :1
and then execute the query of VO, as you have done. Also do executeQuery, after setting bind variables.
--Mukul

Setting bind variable for a view object from the Managed Bean

Hi,
i am using JDeveloper 11g, i have to create LOV in the JSF. To show the LOV, it has to populate data using View object and its query parameter need to be sent from the Managed Bean.
For the View object i want to set the bind variable parameter from the managed bean value. bename is stored in a managed bean (session scope)
#{beantest.bename}
But it gives the following exception.
JBO-29000: Unexpected exception caught:
org.codehaus.groovy.control.MultipleCompilationErrorsException,msg=startup failed, Script1.groovy: 1: expecting '!',found '{'@ line1, column 2.
I have followed the link http://kr.forums.oracle.com/forums/thread.jspa?threadID=615474 like Frank wrote on 8.2.2008:
But steps are not clear.
How to input the VO bind parameter with Managed bean variable?
Any Help
Regards
Raj
Edited by: user9928180 on Dec 17, 2008 9:51 AM

Hi,
a bind variable in a VO needs to be exposed as an executeWithParams operation in the pageDef file. Just add a new action binding to the pageDef file (context menu) and select the executeWithParams operation on teh VO. Then in the argument field, reference the managed bean property for the value
Frank

How to set Bind variable on the action of command link

I have two tables. One is the list of processes and other one is the details of processes with process name as primary key.
I want to first display the first table which has the list of processes on one page. When I click on perticular process name this process will pass to the bind variable of another table and corresponding details will be shown on other page. can anyone help how I can do this. My code is as follows:
package model;
import model.common.BpelDetailsView;
import oracle.jbo.server.ViewObjectImpl;
public class BpelDetailsViewImpl extends ViewObjectImpl implements BpelDetailsView {
* This is the default constructor (do not remove).
public BpelDetailsViewImpl() {
* Returns the variable value for bpelnameVar.
* @return variable value for bpelnameVar
public String getbpelnameVar() {
return (String)ensureVariableManager().getVariableValue("bpelnameVar");
* Sets <code>value</code> for variable bpelnameVar.
* @param value value to bind as bpelnameVar
public void setbpelnameVar(String value) {
ensureVariableManager().setVariableValue("bpelnameVar", value);
this.executeQuery();
<af:commandLink id="ot3" text="#{row.BpelName}"
action="#{DasboardBean.ot3_action}"/>
public String ot3_action() {
BpelDetailsViewImpl bdv=new BpelDetailsViewImpl();
bdv.setbpelnameVar("#{row.BpelName}");
return "success";
but its not working at all.
Its displaying the errors on click of command link.
javax.servlet.ServletException: java.lang.NullPointerException
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:277)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:85)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:54)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.wls.JpsWlsFilter$1.run(JpsWlsFilter.java:96)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.wls.util.JpsWlsUtil.runJaasMode(JpsWlsUtil.java:146)
     at oracle.security.jps.wls.JpsWlsFilter.doFilter(JpsWlsFilter.java:140)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:70)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:202)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3588)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2200)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2106)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1428)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException
     at org.apache.myfaces.trinidad.component.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:51)
     at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
     at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:190)
     at org.apache.myfaces.trinidad.component.UIXCollection.broadcast(UIXCollection.java:147)
     at org.apache.myfaces.trinidad.component.UIXTable.broadcast(UIXTable.java:271)
     at oracle.adf.view.rich.component.UIXTable.broadcast(UIXTable.java:140)
     at oracle.adf.view.rich.component.rich.data.RichTable.broadcast(RichTable.java:364)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:87)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:298)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:91)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:87)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:87)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:298)
     at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:91)
     at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:81)
     at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:475)
     at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:756)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._invokeApplication(LifecycleImpl.java:673)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:273)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:165)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     ... 34 more
Caused by: java.lang.NullPointerException
     at oracle.jbo.server.ComponentObjectImpl.ensureVariableManager(ComponentObjectImpl.java:472)
     at model.BpelDetailsViewImpl.setbpelnameVar(BpelDetailsViewImpl.java:32)
     at portal.view.bean.DasboardBean.ot3_action(DasboardBean.java:24)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at com.sun.el.parser.AstValue.invoke(AstValue.java:157)
     at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:283)
     at org.apache.myfaces.trinidad.component.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:46)
     ... 54 more

Hi Shay..
Thanx for your help...
I stuck in one more problem. When I run directly the first list page it works fine. I craeted one more page home.jspx where I added a golink with <af:golink id="gl1" text ="List" destination="list.jspx". When I click on link it opens the list page. Now when I clicking on first column its redirecting to list.jspx not to details.jspx.
What can be the solution for this.

Setting bind variables for VO in JUnit test case

Hi,
I am using Jdeveloper 11.1.2.2
I have a problem while writing the test case for VO in JUnit.
For the Remove method in the Test case , I have passed variables into the VO by using a setWhereClause() .
Like this :
        view.setWhereClause(null);
        String whereClause = "location_id = '" + newUpdatedLocationId + "' AND organization_id = '" +newOrganizationId + "'" ;
        view.setWhereClause(whereClause);
        view.executeQuery();
        while (view.hasNext()) {
            view.next();
            view.removeCurrentRow();
        fixture1.getApplicationModule().getTransaction().commit();But it is showing a an error like the bind variables are not set.
So how will I access Bind variables programmatically and set the values ?
Thanks
Nigel.

setNamedWhereClauseParam() is used for setting bind variables

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Thanks
Gary

If you do a wr mem, it should synchronize. You can verify using sh bootvar. Here is outputs from my lab
Router#sh bootvar
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CONFIG_FILE variable =
BOOTLDR variable =
Configuration register is 0x2102
Standby is up
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How do I set up my environment variables - JAVA_HOME and CATALINA_HOME on my iMac running mac osx 10.8.5?

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Setting bind variable value programmatically for master and child VO's

Defined following BC:
Serv VO - Master VO, has Bind_cNum (bind variable)
ServDetail VO - Child VO, has Bind_cNum2 (bind variable)
ServViewLink VL - View link between Serv VO & ServDetail VO
in AMModule Impl have custom WS:
public List<ViewRowImpl> getMyServices(String cNum)
List<ViewRowImpl> result = new ArrayList<ViewRowImpl>();
ViewObjectImpl vo1 = getServ(); //Master VO
vo1.setNamedWhereClauseParam("Bind_cNum", cNum);
vo1.setForwardOnly(true);
ViewObjectImpl vo2 = getServDetail(); //Child VO
vo2.setNamedWhereClauseParam("Bind_cNum2", cNum);
vo1.executeQuery();
while (vo1.hasNext()) {
result.add((ViewRowImpl)vo1.next());
return result;
I am passing same cNum parameter to both Serv VO (Master VO) and ServDetail VO (child VO) as above. (this is in addition to view link bind variable :Id)
It shows in the logs that it is setting the values correctly:
<ViewRowSetImpl> <setNamedWhereClauseParam> [382] Serv ViewRowSetImpl.setNamedWhereClauseParam(Bind_cNum, 11771370)
<ViewRowSetImpl> <setNamedWhereClauseParam> [383] ServDetail ViewRowSetImpl.setNamedWhereClauseParam(Bind_cNum2, 11771370)
<ViewRowSetImpl> <doSetWhereClauseParam> [383] Serv ViewRowSetImpl.doSetWhereClause(-1, Bind_cNum, 11771370)
<ViewRowSetImpl> <execute> [385] Serv ViewRowSetImpl.execute caused params to be "un"changed
<OracleSQLBuilderImpl> <bindParamValue> [394] Binding param "Bind_cNum": 11771370
<ADFLogger> <addContextData> Execute query
-- when executing view link
<ViewRowSetImpl> <setParamValues> [425] ServViewLink_0 ViewRowSetImpl.setParamValues params changed
<ViewRowSetImpl> <doSetWhereClauseParam> [426] ServViewLink_0 ViewRowSetImpl.doSetWhereClause(-1, Bind_cNum2, null)
<ViewObjectImpl> <bindParametersForCollection> [436] For RowSet : ServViewLink_0
<OracleSQLBuilderImpl> <bindParamValue> [437] Binding null of type 12 for "Bind_cNum2"
<OracleSQLBuilderImpl> <bindParamValue> [438] Binding param "Bind_Id": 5018
from above log, when ServViewLink_0 is executed, it is changing Bind_cNum2 bind variable to null.
how can i pass same bind variable value to both Master and Child view objects from AM Impl.java
Edited by: bsrao on Oct 11, 2012 6:07 PM
Edited by: bsrao on Oct 11, 2012 6:10 PM
Edited by: bsrao on Oct 11, 2012 6:12 PM

Try executing the vo1 query before setting the bind variable for vo2, then execute the vo2 query (if that's what you want to do).

How to use bind variable value for table name in select statement.

Hi everyone,
I am having tough time to use value of bind variable for table name in select statement. I tried &p37_table_name. ,
:p37_table_name or v('p37_table_name) but none worked.
Following is the sql for interactive report:
select * from v('p37_table_name') where key_loc = :P37_KEY_LOC and
to_char(inspection_dte,'mm/dd/yyyy') = :P37_INSP_DT AND :p37_column_name is not null ;
I am setting value of p37_table_name in previous page which is atm_state_day_insp.
Following is error msg:
"Query cannot be parsed, please check the syntax of your query. (ORA-00933: SQL command not properly ended) "
Any help would be higly appreciated.
Raj

Interestingly enough I always had the same impression that you had to use a function to do this but found out from someone else that all you need to do is change the radio button from Use Query-Specific Column Names and Validate Query to Use Generic Column Names (parse query at runtime only). Apex will substitute your bind variable for you at run-time (something you can't normally do in pl/sql without using dynamic sql)

How to substitute a bind variable for a IN condition?

Dynamically I am setting the WHERE condition for one of my blocks using SET_BLOCK_PROPERTY Built in. The condition that I am attaching has two IN conditons..
For Eg.,
contracts_tbl.status_col IN ('NEW', 'OLD', 'EXPIRED', 'OPEN')
AND contracts_tbl.id_col IN (1, 2, 3, 4)
The number of choices in the IN condition will vary depending upon the user choice in my screen. Because of this the parsed SQL state is could not be shared and multiple of these are getting created in shared pool. To avoid this I would like to use bind variables.
There are two ways I am trying to do this..
1. Generating one bind variable for each value. i.e.,
contracts_tbl.status_cod IN (:global.var1, :global.var2,
:global.var3)
Now this could result it memory error if no. of choices exceeds the avilable memory. Also its a tedious task to purge the variables after querying the block. Also because of multiple IN conditions, the chances of different set of selections are possible and then again sharing will be minimal.
2. The second method is to set the one bind variable for each IN condition. i.e.,
:GLOBAL.Var1 := '( 'NEW', 'OLD', 'EXPIRED', 'OPEN' )';
:GLOBAL.Var2 := '(1, 2, 3)';
contracts_tbl.status_col IN :GLOBAL.Var1
AND contracts_tbl.id_col IN :GLOBAL.Var2
In this case, forms is not querying as the IN condition takes the global variable value as one string and the query returns no rows though there are plenty available for each status. Also any NUMBER type condtions erroring out as the , and ( are invalid numerals.
Q: Is there anyway you can make this work? or Is there any other better method to substitute bind variables in place to avoid creating new set of statements for each query in the shared pool?
Your suggestions and pointers are higly appreciated. Please respond immediately as this is a P1.
Thanks,
-- Raam.

2. The second method is to set the one bind variable for each >>IN condition. i.e.,
:GLOBAL.Var1 := '( 'NEW', 'OLD', 'EXPIRED', 'OPEN' )';
:GLOBAL.Var2 := '(1, 2, 3)';
contracts_tbl.status_col IN :GLOBAL.Var1
AND contracts_tbl.id_col IN :GLOBAL.Var2 This method should work - not sure if you put exact syntax in or not but your first assignment would cause a problem as everywhere you want one ' mark you would have to put two so that it does not close your quoted string
Try the following syntax:
:GLOBAL.Var1 := '( ''NEW'', ''OLD'', ''EXPIRED'', ''OPEN'' )';
:GLOBAL.Var2 := '(1, 2, 3)';
SET_BLOCK_PROPERTY('blk name',
default_where,
'contracts_tbl.status_col IN ' || :GLOBAL.Var1
|| ' AND contracts_tbl.id_col IN ' ||
:GLOBAL.Var2);
Hope this helps,
Candace Stover
Forms Product Management

Best Practice for setting bind variable when application loads

I am using JDeveloper 11.1.2.3.
When my application loads, the first unbounded page has a table populated by a named query.
I would like to set the parameter used by the named query when the page loads, to populate the initial data that is displayed.
What is the best practice for a solution to this issue?

user6003393 wrote:
I am using JDeveloper 11.1.2.3.
When my application loads, the first unbounded page has a table populated by a named query.
I would like to set the parameter used by the named query when the page loads, to populate the initial data that is displayed.
What is the best practice for a solution to this issue?Hi,
You can set the bind variable on VO by overriding prepareSession() method in Application Module check this http://docs.oracle.com/cd/E37975_01/web.111240/e16182/bcservices.htm#sthref357
Setting bind variable on runtime http://docs.oracle.com/cd/E37975_01/web.111240/e16182/bcquerying.htm#CHDECJHD
Zeeshan

How to pass pageFlowScope variable value as bind variable for VO

Hi,
I have one fixed lov (not based on datasource), if i select any value in that lov i want to pass this value to a pageFlowScope variable.
After this i want to use this value as bind variable for VO. whenever the vo executes thereafter this bind variable should filter that vo results.
My jdev version: 11.1.0.0
Thanks in advance,
SAN

san-717,
can you elaborate on the use case instead of the implementation you don't get done? I understand you have data displayed in a tree: so lets assume the tree structure is Locations, Departments and Employees according to the Oracle HR sample schema.
1. What is the LOV supposed to do ?
2. Where is the LOV located ?
3. What values does the LOV show ?
4. Is the LOV a select choice component or a real LOV (with search dialog)
5. Where is the bind variable used ?
To me it sounds like you want to filter the tree data based on the select choice value. However, you wont do this by passing the bind parameter to all View Objects involved as they may not have the attribute in their query. So your use case is important to answer the question
Frank

How to default bind variable using session variable at run time

Hi All,
I have a requirement where all VO queries (multiple VOs) produce only records that meet a certain value.
For example, I have three tables with 3 VOs and each of them has a one-to-many relationship to another table (let's call it ref table and this table has a field called release). One of the 3 VOs is a parent/master table, and the other two are child tables. I created a VO for master table that linked to the ref table and created a view criteria using the release (use bind variable) field from the ref table. The other child tables have their own VO that has view criteria that also linked to ref table using the release field.
On the UI page, I created a query component and a table from the master table VO. I also dropped the child table VOs in a tabbed panel which partial triggered by the master table. When I ran a query for a 'release' (hint: ref table value), the table for master table was filled the correct records that meet the criteria. Unfortunately, the child tables were not correct due to the query didn't use the bind variable that filter only records for the same 'release' value as the master table.
The question is how do I 'default' or dynamically set the bind variable on the child tables based on the selection criteria from the query component. I am thinking to set a session variable from the query and use it in the bind variable in the child table, but not sure how to do it.
Any suggestion how to do it or better solution to achieve the same effect?

Hi,
How about creating a custom AMImpl method, that takes parameters as required, and set the bind variables for all the desired VOs and perform executeQuery on them.
You could expose this as client interface, and then use the method as parameter form.
Check this thread for ex.
Re: Setting Attribute in View Object through Managed Bean
-Arun

How to set bind variables for child VO in hierarchy component?

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