How to set dynamic IN clause in English query

Hi ADFExperts,

I have a requirement as if I had a viewObject

Let's say that "select * contact"this query result is 20 lakhs records.

My requirement,

I have to apply the clause 'IN' in this display object so that it will bring only required line.

For example Select * from contact where name: bindName;

I'm passing in the param type string "(" James","John") bindName '"

and I will execute VO.

But it is not the result.

Help, please.

User, please tell us your jdev version!

Check out Jobinesh blog decompilation binary ADF: using bind variable for SQL statements with the paragraph which you shoes how to proceed.

Timo

Tags: Java

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Very Urgent: Setting dynamic where clause for Popup list VO
Hello world

It is a very urgent requirement please help as soon as possible.

I have a custom page in iSupplier. I created two supplier site, number of PO fields.

Site of beg - choice of Message and PO number - Message LOV of entry

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1. I want to restrict these VO vendor_id-based so I'll put dynamically where clause for these two VO of in my CO

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I am creating where cluase as below in CO

If (vendor_id1! = null)
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vo.setOrderByClause ("invoice_date DESC");
String INVQRY = vo.getQuery ();
System.out.println ("INVQRY:" + INVQRY);
vo.executeQuery ();
VO. First();
System.out.println ("after the query appear" + vo.getRowCount ());
}

OAViewObjectImpl sitevo1 = (OAViewObjectImpl) am.findViewObject ("SUPPLIER_SITE_VO1");
if(sitevo1!=null)
{
sitevo1.clearcache ();
sitevo1. Reset();
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sitevo1.setWhereClauseParam(0,vendor_id1);
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sitevo1. ExecuteQuery();
sitevo1. First();
System.out.println ("after the query appear" + sitevo1.getRowCount ());
}

Here he works for the purchase order number but the where cluase does not work for Supplier Site. Please help as soon as possible.

2 and also if supplier site to return multiple values then this field should show as messagechoice. If it returns a single value, then it should be the style text message
How can I achieve this.

Thank you
CSK
Try

vo.setWhereClause ("IN vendor_id (" + vendor_id_qry + ")" ");

vendor_id_qry is the query that retrieves the list of provider IDS. You don't need to put the vendor column id as whereClauseParam unless you want to have IN the clause in your query of VO and pass the list as 1,2,3 values to the parameter.

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Hello

Actually I'm passing the parameter to the basic page popup, so in page popup page and the base, I was using the VO even to run then, probably due to that he was running again for all data, so for the basic page I created a new VO and tried to pass the parameter like when clause for questioning now it runs very well Thank you for all your help

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[ADF, JDev12.1.3] How to set a variable to bind a VO (where clause) in a managed bean?

Hallo,
I have a request based on VO.
The query contains a where clause clause and a bindi variable.
In a managed bean I would like to access the iterator of VO setting the value of the bind variable and read the result.
I found this code it is good start, but I do not know how to set the variable binding.
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You can use:
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```
Note that this approach is used if you have bind variable in the where clause.

To set variables bind to ViewCriteria, you must use VarableValueManager.

This post may be useful for you: binary: how to set the Bind variable values at run time?

Also, I would like to know if it is generally advisable to use VO directly in controlled beans or whether it would be best to create in the AppModuleImpl methods that do this and return the result.

You must set "use VO directly.

For example, from the point of architecture, is probably best to use the method in the model project which will set the bind variable and execute the query.

Or you can use the ExecuteWithParams operation in your the view layer.

In my case for example of the VO will return max 1 plug so I'm in doubt, if the creation of a method in the AM that returns a custom class, which attributes contain values of the line of VO.

Not to complicate your life

All VO lines are represented as ViewRowImpl class if you already have "custom class".

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I don't want to set "in" would adopt a kind of programatical in VO as below. I want to use a method declariable to set in the clause using bindings varaible.

It can be implemented?

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You can only use the link as a parameter to the in clause. You must divide the string inside the binding variable. Sample can be found at decompilation binary ADF: using bind variable for SQL statements with the paragraph

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Hello. I have read briefly upward on things, you suggested, but it seems a bit abstract for me since I was a novice.

Can you give us an explanation or an example of how to use it to accomplish what I need to do?

Do ypu really plan create a query with a WHERE clause that contains a predicate for all possible columns?

Variable bind offer performance when the same query is executed several times with different values for bind variables.

Select * from emp where empno =: v_empno

After the first run Oracle will always be this query in the library cache. The next running can use the version of the cache even if the bind value is different.

Select * from emp where empno =: v_empno;

Select * from emp where ename =: v_ename;

Select * from emp where sal =: v_sal;

Each one is a DIFFERENT query. Yes - each of them uses a variable binding, but queries are different.

So, if your username select EMPNO, an '=', and a value from the first query can be executed. But the next time that the user can select the ENAME column so that 'stored' first request may not be used given that the query does not match.

The third time your user selects SAL so none of the first two queries can be used in the library cache. The use of bind variables gives performance during the SAME QUERY is used multiple times with DIFFERENT values for the variable binding. Oracle is not to analyze the hard query everything simply because the VALUE is different.

So bind variables do not help you if most of the queries were completely DIFFERENT sets of predicates. And SYS_CONTEXT will not help either since that simply provides a way to define binds the values of the variables.

Just for the simple example above, there are at least SIX possible combinations of columns that could choose your user name: empno, ename, sal, empno ename, empno & sal, ename & sal

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http://explore.live.com/Windows-Live-mesh-devices-remote-connections-what-UI

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dynamic where clause ofa

Dear all,
I have a problem in the dynamic where clause in the OPS.
I have a VO query as below:
SELECT desc, ccuid, containid, XXXTMP conainline
I'll put whereclause as below:
VO.setwhereclause ("containid '101' =" + "order by containline desc")
so the question is request forms as below:
SELECT desc, ccuid, containid, XXXTMP conainline
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Ideally, order by clause should come outside of the Stirrup.
so, how do I do order by clause order side where clasue or how do I remove the stand before the where clause. So I need the query as below:
SELECT desc, ccuid, containid, XXXTMP conainline
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Hello

Solution 1-

You can use "setOrderByClause (containline desc);" so that it will get out of Where clause.

Solution 2-

Instead of dynamically add Whereclause, you can bind the variable as below-

Query in VO-

SELECT desc, ccuid, containid, conainline from XXXTMP where containid =: 1 containline desc order

In VOImpl-

public void initQuery (String variable)

{

clearCache();

setMaxFetchSize(-1);

setWhereClause (null);

setWhereClauseParams (null);

setWhereClauseParam (0, variable);

executeQuery();

}

Vall of this VOImpl method, and pass the variable value. It will work according to your requirement.

Thank you

Kone

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How to set dynamic IN clause in English query

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