Where clause - parentheses versus view link

I have detail View Object DetailVO with where clause "status=1 or status=2" and I add it to AM as detail of masterVO.
Then the link doesn't work, I suppose BC4J create new where clause as "status=1 or status=2 and :1=....". But it means "status=1 or (status=2 and :1=....)"!!!
I put detail VO where clause into parentheses "(status=1 or status=2)" and everything was OK - ViewLink worked.
It is very bad feature of ViewLinks, isn't it?
Jan

Well, now I know I must always surround OR clauses with parenthesis.
But I was very confused about it. My ViewLink didn't work and I did't know why... I think, that if BC4J adds ViewLink condition, that it must handle the ViewObject whereClause and surround it with parenthesis. Otherwise it is very strange behaviour, isn't it? Added ViewLink condition shouldn't affect the original whereClause!
Any JDevTeam comment?
Jan

Similar Messages

JSP, Data Web Bean, BC4J: Setting the where clause of a View Object at run time

Hi,
I am trying to develop a data web bean in which the where clause of a View Object will be set at run time and the results of the query then displayed.
My BC4J components are located in one project while the coding for the data web bean is in another project. I used the following code bu t it does not work. Could you please let me know what I am doing wrong?
public void populateOSTable(int P_EmpId)
String m_whereString = "EmpView.EMP_ID = " + P_EmpId;
String m_OrderBy = "EmpView.EMP_NAME";
oracle.jbo.ApplicationModule appModule = null;
ViewObject vo = appModule.findApplicationModule("EMPBC.EMPAppModule").findViewObject("EMPBC.EMPView");
vo.setWhereClause(m_whereString);
vo.setOrderByClause(m_OrderBy);
vo.executeQuery();
vo.next();
String empName numAttrs = vo.getAttribute(EmpName);
System.out.println(empName);
Thanks.

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by JDev Team (Laura):
Here is how I have usually done mine:
1. In the JSP, use a RowsetNavigator bean to set the where clause and execute the query.
2. Use a custom web bean to process the results of the query (print to HTML).
for example:
<jsp:useBean class="oracle.jbo.html.databeans.RowsetNavigator" id="rsn" scope="request" >
<%
// get the parameter from the find form
String p = request.getParameter("p");
String s = request.getParameter("s");
// store the information for reference later
session.putValue("p", p);
session.putValue("s", s);
// initialize the app module and view object
rsn.initialize(application,session, request,response,out,"wt_bc_WT_bcModule.wtjoinView");
// set the where clause string
String theclause = "presname = '" + p + "' AND slideno=" + s;
// set the where clause for the VO
rsn.getRowSet().getViewObject().setWhereClause(theclause);
rsn.getRowSet().getViewObject().executeQuery();
rsn.getRowSet().first();
%>
</jsp:useBean>
<jsp:useBean class="wt_bc.walkthruBean" id="wtb" scope="request" >
<%
// initialize the app module and VO
wtb.initialize(application,session, request,response,out,"wt_bc_WT_bcModule.wtjoinView");
wtb.render();
%>
In this case, the render method of my custom web bean mostly gets some session variables, and prints various content depending on the session variable values.
Hope this helps.
</jsp:useBean><HR></BLOCKQUOTE>
Laura can you give the code of your walkthru bean? i wna't to initialize a viewobject, set the where clause and give that viewobject back to initialize my navigatorbar.
Nathalie
null

How to set Where clause in the View Object of the MessageChoice ?

Hi,
How to set Where clause in the View Object of the
MessageChoice ?
Example:
<bc4j:rootAppModuleDef name="EdEscolaCampusView1AppModule"
definition="ed00050.Ed00050Module"
releaseMode="stateful" >
<bc4j:viewObjectDef name="EdEscolaCampusView1" >
<bc4j:rowDef name="CreateEdEscolaCampusView1" autoCreate="true" >
<bc4j:propertyKey name="key" />
</bc4j:rowDef>
</bc4j:viewObjectDef>
<bc4j:viewObjectDef name="ListaTipLocalView1"
rangeSize="9999">
</bc4j:viewObjectDef>
</bc4j:rootAppModuleDef>
</bc4j:registryDef>
messageChoice declaration:
<bc4j:messageChoice name="SeqTipoLocalCampus"
attrName="SeqTipoLocalCampus"
prompt="Local do Campus">
<contents>
<bc4j:optionList attrName="SeqTipoBasico"
textAttrName="NomTipoBasico"
voName="ListaTipLocalView1"/>
</contents>
</bc4j:messageChoice>
I would like set where clause of ViewObject, with dinamic parameters (using attribute1 = :1), before populate messageChoice.
thanks...
Danilo

Hi Andy,
I try set a where clause using the message:
Set where Clause parameter using UIX , but my UIX Page have 2 messageChoice's of different ViewObject's, then I need implement this Java Class:
//Nome da Package da Tela Detail
package br.com.siadem.siaed.ed00050;
// Importa as Bibliotecas necessárias
import oracle.jbo.ViewObject;
import oracle.jbo.ApplicationModule;
import oracle.jbo.client.Configuration;
import oracle.cabo.servlet.BajaContext;
import oracle.cabo.servlet.Page;
import oracle.cabo.servlet.event.PageEvent;
import oracle.cabo.servlet.event.EventResult;
import oracle.cabo.data.jbo.servlet.bind.*;
import oracle.cabo.ui.data.BoundValue;
import oracle.cabo.ui.data.DataBoundValue;
import javax.servlet.http.HttpServletRequest;
import br.com.siadem.siaed.util.*;
import javax.servlet.http.Cookie;
import oracle.cabo.data.jbo.def.NestedAppModuleDef;
import oracle.cabo.data.jbo.def.ViewObjectDef;
import oracle.cabo.data.jbo.def.AppModuleDef;
// Classe que configura os parametros para a execução da Query,
// utilizando variáveis de Sessao
public class FunPreQueryLista
public static EventResult FunConfiguraQuery(BajaContext context, Page page, PageEvent event) throws Throwable
// TrataDadosSessao - Classe utilizada para retornar os valores das variáveis de sessão genéricas
// Ex: CodCliente, CodMunicipio etc...
TrataDadosSessao varDadosSessao = new TrataDadosSessao();
// 1o. Parametro Configurado - Através da classe TrataDadosSessao, utilizando um método Get
// <alterar>
String valor1 = varDadosSessao.getCodCliente();
String valor2 = varDadosSessao.getCodMunicipio();
//Cria o objeto que retorna o ApplicationModule
ApplicationModule am = ServletBindingUtils.getApplicationModule(context);
// Início das Configurações da Query da Lista
//Cria o objeto que retorna o view object da lista desejada
//alterar
ViewObject TipoLocal = am.findViewObject("ListaTipoLocalView1");
//Configuração dos parametros definidos na query do view Object
//alterar
TipoLocal.setWhereClauseParam(0,valor1);
TipoLocal.setWhereClauseParam(1,valor2);
// Executa a Query
TipoLocal.executeQuery();
// Fim das Configurações da Query da Lista
// Início das Configurações da Query da Lista
//Cria o objeto que retorna o view object da lista desejada
//alterar
ViewObject TipoDestLixo = am.findViewObject("ListaDestinoLixoView1");
//Configuração dos parametros definidos na query do view Object
//alterar
TipoDestLixo.setWhereClauseParam(0,valor1);
TipoDestLixo.setWhereClauseParam(1,valor2);
// Executa a Query
TipoDestLixo.executeQuery();
// Fim das Configurações da Query da Lista
// Retorna o Resultado para a Página
return new EventResult(page);
The code works very well...
And, I'm sorry for my two repost's in UIX Forum about this in a few time.
Thank very much...
Danilo

Including additional where clause conditions to view criteria dynamically

Hi,
We have a set of view objects that serves as LOV for various other view objects. All such LOV view objects have three specific attributes, two date attributes namely EffectiveStartDate, EffectiveEndDate and a String attribute namely UserSwitch based on which the LOV list needs to be filtered.
All the view objects are having one or more view criterias with specific where clause conditions.
Apart from those view criteria conditions, invariantly, we need the following conditions also
:bindEffDate between EffectiveStartDate and EffectiveEndDate and UserSwitch = :bindUserSwitch.
We wish not to include the above condition in each and every view criteria of each and every view object (Since we have around 800 view objects and a minimum of 2 view criterias per view object). Instead, we created a dummy view object (BaseViewObject) with two bind variables :bindEffDate and :bindUserSwitch and all the LOV view objects were made to extend this BaseViewObject.
Therefore, whenever a view object atribute is attached with LOV using the above said LOV View Objects, the bind variables of the baseViewObject as well as the view object specific bind variables are available in the view accessors tab of the view object wizard where we can supply values to those bind variables.
Now, we need to construct the view criteria filter clause. To achieve this, we created a class, CustomCriteriaAdapter.java extending oracle.jbo.server.CriteriaAdapterImpl. In the getCriteriaClause() method, we included the follwoing code:
public String getCriteriaClause(ViewCriteria pViewCriteria)
ViewObject vo = pViewCriteria.getViewObject();
String userSelectSwitch = (String) vo.ensureVariableManager().getVariableValue("bindUserSwitch");
String effBgnDt = vo.getAttributeDef(vo.getAttributeIndexOf("EffectiveStartDate")).getName();
String effEndDt = vo.getAttributeDef(vo.getAttributeIndexOf("EffectiveEndDate")).getName();
String customCriteria = " ( :bindEffDate >= " + effBgnDt + " ) AND ( :bindEffDate <= " + effEndDt + " OR " + effEndDt + " IS NULL ) ";
StringBuffer completeCriteria = new StringBuffer();
String criteriaClause = super.getCriteriaClause(pViewCriteria);
if (criteriaClause != null && !criteriaClause.isEmpty())
completeCriteria.append(criteriaClause + " AND ");
completeCriteria.append(customCriteria);
if (userSelectSwitch != null && "Y".equals(userSelectSwitch))
String userSelectSw = vo.getAttributeDef(vo.getAttributeIndexOf("UserSwitch")).getName();
completeCriteria.append(" AND (" + userSelectSw + "='Y' ) ");
return completeCriteria.toString();
Issues:
The LOV list is not filtering the records based on the constructed conditions. Instead it is listing either all of the records considering only the view criteria conditions applied at design time irrespective of the userswitch and effectivedate conditions or the list is empty.
Here, my questions are,
1. Am I in the correct approach? If not, guide me in a more proper approach to achieve the same requirement.
2. If the way I am trying is correct, where things are going wrong and why the dynamic condition is not getting effected?
Kindly help in sorting out the issue.
Thanks in advance.

Hi Jobinesh,
Thanks for your response and yes, we have done exactly as what you have mentioned. As explained earlier, a baseViewObject along with its Impl class has been created and it will be extended by all the viewobjects meant for serving LOV. Therefore, the superClass for any such LOV viewObject is the baseViewObjectImpl class. In that baseViewObjectImpl(), we have over-rided the criteriaAdapter() method and returned an instance of our customCriteriaAdapter() class.
Below is the code we are using in the baseViewObjectImpl():
package model.base.vo;
import oracle.jbo.CriteriaAdapter;
import oracle.jbo.server.ViewObjectImpl;
public class BaseViewObjectImpl
extends ViewObjectImpl
* This is the default constructor (do not remove).
public BaseViewObjectImpl()
* Over-rided method of ViewObjectImpl class of the framework.
* Calls the customized criteria adapter so that the default where clauses are added to the view criteria.
* @return CriteriaAdapter.
@Override
public CriteriaAdapter getCriteriaAdapter()
return new CustomCriteriaAdapter();
I'll create a sample in HR schema and share with you shortly.
Thanks and regards.

WHERE clause for Materialized View

Hi,
We are replicating a very large table from Production. The table is approx 40Gb in size and so the DBA's are very reluctant to do a full replication as it could bring down the production server (I'm a developer so I'm going on faith this is correct).
I have been looking for a way to limit the number of columns that I need, approx 1 weeks data is enough to begin with. The table has a column txntimestamp which I am trying to use in the WHERE
create materialized view FWWIPTRANSACTION
refresh fast on demand   with rowid
as select * from WLOS_OWNER.WAFPROD_FWWIPTRANSACTION
where txntimestamp > '20/06/2009 07:00:00'But I recieve the error
ORA-12015: cannot create a fast refresh materialized view from a complex queryDoes anyone know a way around this? This is the only date field I can use and pretty much the only viable option to limit the number of rows.
Thank You.

Sorry for jumping ahead but if I was able to get
create materialized view FWWIPTRANSACTION
refresh fast on demand   with rowid
as select * from [email protected]
      where txntimestamp > '20/06/2009 07:00:00';to work, does this mean every time this MV refreshes it brings across everything since that date or merely the new rows since the last refresh? If so I will need a rolling clause i.e. sysdate - 30

View link between calculated attributes

Hi all,
I'm having a problem with a view link. See, I'm linking two view objects on attributes that are calculated. The two view objects are result of sql query (not EO based) - plus, this attribute is present in the SQL query and in the db table for both view object.
The SQL query is like, for both view object :
select to_char(DATE_FO, 'dd/MM/yyyy), a, b, from ...
And, as I said, I made a view link on these attributes. The cardinality is 1 to *.
When testing the ApplicationModule, I'm getting
(oracle.jbo.SQLStmtException) JBO-27122: SQL error during statement preparation. SELECT ....... ) QRSLT WHERE DATETOCHAR = :Bind_ToCharGdaCrahDateCrahDdMm
----- Level 1: Detail 0 -----
(java.sql.SQLException) ORA-00904: "DATETOCHAR" : identificateur non valide
DATETOCHAR is the alias of the calcultated attribute in detail vo.
Please help ! Also I've been reading Steve's article : urlhttp://radio.weblogs.com/0118231/2003/11/13.html[url] ; what is jbo.viewlink.consistent property exactly ?
Regards
Luc

Hi again,
ok I found it ... I needed to add an alias in the SQL query and override the default sql where clause in the view link. Something weird btw, because the alias in the sql query seems to be not bind to the alias property in the attribute properties... and it add another attribute. But it works fine.
Therefore, if Steve muench might explain jbo.viewlink.consistent property, I'm stil interested in knowing that :)
Luc

Set Where Clause of VL Using Coding???

How to Set Where Clause of VL(View Link) Using Coding???

i think,if you can not change the VL def,change the SQL(like give a translate column)

ADF BC View Objects: Disappearing where clauses

Playing around with the 11g Technical Preview I find out that sometimes the where clauses - added to View Objects by means of the new "Join Type" field in the VO-editor UI - disappear.
I'm not able to reproduce exactly and "on demand", but it seems to happen when the sources of more than one View Object are open simultaneously and/or the XML definition of a View Object is edited directly on the Source-tab.

Today I succeeded in reproducing:
Two tables:
TAB_MASTER:
ID NUMBER NOT NULL
DESCRIPTION VARCHAR2 NOT NULL
TAB_DETAIL:
ID NUMBER NOT NULL
MASTER_ID NUMBER NOT NULL
DESCRIPTION VARCHAR2 NOT NULL
TAB_DETAIL.MASTER_ID is a foreign key referencing TAB_MASTER.ID.
Steps to reproduce:
1. Generate default ADF BC objects from database tables.
2. Open definition of TAB_DETAIL View Object.
3. Go to the Entity Objects tab
4. Add TAB_MASTER Entity Object to the Selected Entities Objects. Association and Join Type are filled in automatically.
5. Go to the Query tab and go to SQL tab in de Property Inspector. Where clause is filled.
6. Go to the Attributes tab and click Add from Entity...
7. Add TAB_MASTER.DESCRIPTION attribute.
8. Again, go to the Query tab and go to SQL tab in de Property Inspector. Where clause is still filled.
9. Go to the Attributes tab and select MASTER_ID attribute.
10. Click icon to add List Of Values
11. In List Of Values dialog add View Object TAB_MASTER and add the correct pairs of List Return Values for the ID and (MASTER) DESCRIPTION attributes.
12. After completing the List Of Values dialog go to the Query tab -> SQL tab again. The where clause added to join the Entity Objects (see step 5.) is cleared, resulting in a wrong SQL statement for the View Object.

How to populate bind variable in view objects where clause in ADF faces

I've got a page with 2 input items.
The user manually enters the first value.
On the second input item I have created a LOV for the item which opens in a popup. How do I restrict the data returned in the LOV using the value entered in the first input item. I have created a bind variable and have included it in the where clause for the view object but how do I populated it.

Here is an example:
Using the HR schema with the EMPLOYEES and DEPARTMENTS tables.
Example is using ADF BC and created an EMPLOYEES entity with an updateable view object for page,
and created a DEPARTMENTS view as a lookup
(SQL: select department_id, department_name from departments where department_name = :DeptName)
1: add method to the backing bean to filter the LOV
public void getTextValueToFilterLOV(ValueChangeEvent valueChangeEvent) {
Object value_from_form = valueChangeEvent.getNewValue();
FacesContext fctx = FacesContext.getCurrentInstance();
Application fapp = fctx.getApplication();
JUFormBinding formBinding = (JUFormBinding)fapp.createValueBinding("#{bindings}").getValue(fctx);
DCIteratorBinding dcBinding = (DCIteratorBinding)formBinding.get("DeptLOVIterator");
ViewObject vo = dcBinding.getViewObject();
vo.setNamedWhereClauseParam("DeptName",value_from_form);
vo.executeQuery();
2. add valueChangeListener to the inputText on the page with an id and autoSubmit="true"
<af:inputText value="#{bindings.LastName.inputValue}" label="#{bindings.LastName.label}" binding="#{backing_DeptForm.inputText3}"
id="inputText3"
autoSubmit="true"
valueChangeListener="#{backing_DeptForm.getTextValueToFilterLOV}">
</af:inputText>
3. reference the LOV with the id name on the partialTriggers property
<af:selectOneChoice value="#{bindings.EmployeesUpdView1DepartmentId.inputValue}"
label="#{bindings.EmployeesUpdView1DepartmentId.label}" binding="#{backing_DeptForm.selectOneChoice1}"
id="selectOneChoice1"
partialTriggers="inputText3">
<f:selectItems value="#{bindings.EmployeesUpdView1DepartmentId.items}"
binding="#{backing_DeptForm.selectItems1}"
id="selectItems1"/>
</af:selectOneChoice>
Summary:
When you entered a text (LastName), that value is passed into the backing bean method.
The Bean method code will find the LOV Iterator and put the value into the bind variable.
Cheers,
Jim

Group by, setting where clause in View Objects

Hello,
I have a problem with View Objects in BC4j. Cause I cannot use a column in the where clause of a view object that is not also an attribute of the view object, I am unable to group a statement as I want to. Is there a way to solve this problem?
Thanks in advance!
Britta

What version are you using..I tried a simple WHERE clause using an attribute which is not part of the VO and that works ok....
Thanks
Grant Ronald
Oracle Product Management

Bc4j: set where clause at runtime for view objcet ?

how to set where clause for a view object that is not put in a subselect at runtime ?
select a.para_id, b.para_para_id
from table1 a, table2 b
need to set at runtime either:
where a.para_id = b.para_para_id
or:
where a.para_id = b.para_para_id(+)
problem is that bc4j is useing it as followed:
select * from (
select a.para_id, b.para_para_id
from table1 a, table2 b
) where (a.para_id = b.para_para_id(+))
cant use outer join like this
any suggestions

If you do not want to issue the framework built query, you may want to set the query for a VO yourself instead of setting just the where clause by using setQuery() api. TO revert back to framework built query, call setQuery(null).
This way, when you need the xtra where-clause and not the "innerSQL stuff", you can build a custom sql with whereclause etc, and call setQuery(), execute that SQL, perform your tricks with the VO and then when the VO is usage is done, reset the VO query to original by calling setQuery(null).

Many - to - many view links (master-detail)

Case :
I have a relation many-to-many between two tables, composed of 3 tables:
Table Users ( User_Id, User_name ) // Master 1
Table Groups ( Group_Id, Group_name ) // Master 2
Table Users_Groups ( User_Id, Group_Id ) // Child (holding then many - many relation)
Need :
I want to make Master-detail relation, so that when I change the group (Master 2) the details of the users - user_id, user_name - in this group appear in table below.
problem :
All the master-detail examples I have seen in Jdeveleoper, between One - many realtionship, where the details table contain the information to be displayed; now my case that the details to be displayed is in another table (Master 1) not in the child table directly.
So using ordinary view Link between the a master table and the child table displayes only the Id's of the child table but I need that the names that in (Master 1) table which is related to the selected master id.
Thankx

Duplicate of add where clause to detail view in master/detail relation
Timo

Where clause in Detail VO - Jdev 10.1.3.2

Hi..
I have two VO and one VL join them.
I need to set where clause in Detail view but when I load the page no one record from detail vo shows up.
Master VO - companyView
companyId,
companyName
Detail VO - EmployeeView
EmpId
EmpName
CompanyId,
DeptId...
What I need is to set a clause like this
Select EmpId, EmpName,CompanyId,DeptId from Employee where DeptId = 3
if I set the value 3 in my detail VO is ok.
but if I chage for a Bind Variable and define the variable using setNamedWhereClauseParam("myVariabel",3); in Prepare session it doesn´t work
Someone knows How can I fix this problem?
Thanks
Willian

Hello Maxi
ViewCreteria really works fine.
However, it only works only if I run the view object detail itself.
If I run a Linked Master/Detail Queries
it ignores my criteria.
Would you know how could I set a criteria the works in a linked master/detail query?
Thanks
Willian

JSP, DataWebBean: How to dynamically set the where clause of query and display record

Hi,
I am reposting this question as per suggestions made by Mr. Dwight.
I have used ViewCurrentRecord web bean to display records from EMP table. I have to use the Dept_Id_FK from the current
record of the EMP table to display corresponding records of Dept table. I have a view object called DeptView in my Business
Components which selects all the records from the Dept table.
How do I get the value of Dept_Id_FK and use it to display the required records of the Dept table?
I tried to declare a variable and get the value of Dept_Id_FK but it did not work. My code is as follows:
<%! String m_DeptId = null; %>
<jsp:useBean id="RowViewer" class="oracle.jbo.html.databeans.ViewCurrentRecord" scope="request">
<%
RowViewer.initialize(pageContext, "EMPApp_EMP_EMPAppModule.EMPView1");
RowViewer.setReleaseApplicationResources(false);
RowViewer.getRowSet().next();
m_DeptId = (String)RowViewer.getRowSet().getCurrentRow().getAttribute("DeptIdFk");
%>
</jsp:useBean>
Thanks.
null

First of all, Thank you very much for making use of the new topic format. It is very much appreciated.
As for your question, I think there are several different ways to accomplish what I think you want to do.
1. Create a view object that includes both Emp and Dept entities and join them there. In this case, your query would look something like this:
Select e.empno,e.name,...,d.dname,d.loc from emp e, dept d
where e.deptno = d.deptno
You should be able to create a JSP off of this view object that contains both the employee and department information. In this case, BC4J takes care of the foreign key to primary key coordination.
2. In order to set a dynamic where clause for a view, you need to do the following in your usebean tag:
rsn.initialize(application,session, request,response,out,"DeptView");
rsn.getRowSet().getViewObject().setWhereClause("deptno=" | | m_DeptId);
rsn.getRowSet().getViewObject().executeQuery();
rsn.getRowSet().first();
You will need to do this in a separate usebean tag from the EmpView, since the usebean can only initialize one view object.
In other words, you would have your ViewCurrentRecord bean tag for the EmpView, then a separate one for the DeptView where you use the above code to set the where clause to display just the information for the department you want.
Another option, but one I'm not sure would work as well, is to create a master-detail JSP to do this for you. Usually a master-detail is a one-to-many (one department to many employees). Your request appears to be the reverse, but might still be doable using the same mechanism.
You set up relationships between views in your BC4J project using View Links. If you used the BC4J project wizard and created default views, some of these links may have been created for you. They are created when BC4J detects a foreign key to primary key relationship in the database.
You can create your own View Links using the View Link wizard. Select your BC4J project node and choose Create View Link... from the context menu. You will be asked to select a source view (Emp), and a target view (Dept), then select the attribute in each view that related the two of them (deptno).
Next, you need to reflect this new relationship setting in your application module. Select your app module and choose Edit from the context menu. On the data model page, select the EmpView node in the Selected list. Now select the DeptView node in the available list and shuttle it over. You should see DeptView1 via yourlink appear indented under the EmpView node. Save and rebuild your BC4J project to reflect the changes.
In your JSP project, you can now have the wizard create a master-detail form for you based on DeptView1.
Let me know if the above answers your question, or if I have misunderstood what it is you wanted to do.
null

ADF/UIX where clause and VO on different pages

Hi,
i have a VO called Periods which contains Periods and their statuses. On one page for entering data i use the periods VO in LOV mode with a where clause limiting the user to selecting periods with open status.
I have another page which is for maintaining the period statuses. The problem is that when i move between entry and setup pages the where clause takes affect in both pages ie. the maintain periods page only shows periods with status Open!!
To get around this on the maintain periods prepare model i tried doing this:
actionContext.getBindingContainer().getApplicationModule().findViewObject("PeriodsView1").setWhereClause(null);
actionContext.getBindingContainer().getApplicationModule().findViewObject("PeriodsView1").executeQuery();this works, however it causes bizarre behaviour on some records when i change values in the UIX editable table. The UIX editable table works fine if i remove the above code snippet (and dont go to the page that sets the where clause on the view object). The behaviour is that i cant select some rows in the UIX table properly and the updated values arent effected.
can someone advise pn the proper way of doing this?

Brenden, instead of setting the where clause to null, try setting it to an empty string (eg. "") or something dumb like "1=1".
In turn place JDeveloper into debug mode by selecting your project properties, profiles, development, runner, and changing the java options to: -Djbo.debugoutput=console
With this option turned on, you'll see your actual SQL going to the database with your where clause. You should be able to see the where clause of your underlying query that you just set, and if you use something dumb like 1=1 you'll note the setWhereClause module is working.
Hope this helps.
Cheers,
CM.

Where clause - parentheses versus view link

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