Request report - use the function that returns the cursor

My requirement is to create a report, which the source will be a function that returns a cursor (the type of cursor is ref cursor).
How this can be done?

for example. function my_func (pol_no in number) return cur_type < ref cursor >

Edited by: viveks on October 27, 2009 10:09

Better to look at a function that returns a query, or use a hose to treat your cursor returned, because the APEX at the moment can NOT handle the sliders in reports...

Thank you

Tony Miller
Webster, TX

Tags: Database

Similar Questions

Create the view and by using the function that returns a type oracle

Following is possible?

A function returns an ORACLE object Type, and I want to use this feature, in my opinion, it is possible to access each field of the type once the function is executed and make a column in the view?

create or replace TYPE SOME_INFO AS OBJECT
( 
  CHARGE FLOAT,
  SOME_DATE DATE,
  SOME_VAL VARCHAR(50)
);

CREATE OR REPLACE
  FUNCTION CALCULATE_INFO
    (
      p_chargeId NUMBER)
    RETURN SOME_INFO 
  AS 
  v_some_info SOME_INFO := new SOME_INFO(0, null, null);
BEGIN
 
-- function body populates the v_some_info
return v_some_info;
 
END calculate_info;

Now, I want to use the function according to me - if the underlying query of the view follows-

 select c.*, calculate_info(c.charge_id) as someInfo from some_charge;

How to recover someInfo.CHARGE, someInfo.some_date, someInfo.some_val? I can put them as columns in the view?

If you use only functions that return a single value in a view?

Thank you
Mustapha

Published by: Tina Giri on April 16, 2009 05:47

How to recover someInfo.CHARGE, someInfo.some_date, someInfo.some_val?

SQL>  create or replace type some_info
as
   object (charge float, some_date date, some_val varchar (50));
/
Type created.

SQL>  create or replace function calculate_info (p_chargeid number)
   return some_info
as
   v_some_info   some_info := new some_info (0, null, null);
begin
   -- function body populates the v_some_info
   return v_some_info;
end calculate_info;
/
Function created.

SQL>  select your_view.someinfo.charge,
       your_view.someinfo.some_date,
       your_view.someinfo.some_val
  from (select c.*, calculate_info (c.empno) as someinfo
          from emp c) your_view where rownum <= 3

SOMEINFO.CHARGE SOMEINFO SOMEINFO.SOME_VAL
--------------- -------- --------------------------------------------------
              0
              0
              0                                                            

3 rows selected.

Function that return the name of the current report
Hello

Anyone know if there is a function that returns the name of the current report?, similar to GET_APPLICATION_PROPERTY (CURRENT_FORM) in the forms.

Tnks,

LEFM
Hello

You can use the builtin: SRW. GET_REPORT_NAME
This function returns the file name of the running report

http://www.Oracle.com/webapps/online-help/reports/10.1.2/topics/htmlhelp_rwbuild_hs/rwrefex/PLSQL/builtins/SRW/srw_get_report_name.htm

NOTE: it is not the name of the RDF file. Is the name defined in the reporting name property.

Concerning

a function that returns the type with a table joint!

Good day to all,
I have a function that returns a type.

so I select it as:
Select * from table (function (param1, param2))

now I want to combine this with a table so that the settings for the service we get from the join table. Is this possible? And how?
I tried different options without success.

something like:
Select *.
table table (function (b.column1, b.columnb) x), tablea b
where x.a = b.col

Is this possible?

Thanks in advance?

user564819 wrote:

something like:
Select *.
table table (function (b.column1, b.columnb) x), tablea b
where x.a = b.col

Is this possible?

Somehow...

SQL> create or replace type TIntegers is table of integer;
  2  /

Type created.

SQL>
SQL> --// our sample pipeline simply spews 2 numbers for eevry number input - simple
SQL> --// to use for the testcase below
SQL> create or replace function FooPipe( n number ) return TIntegers pipelined is
  2  begin
  3          pipe row( trunc(n) );
  4          pipe row( trunc(n)*-1 );
  5          return;
  6  end;
  7  /

Function created.

SQL>
SQL> with dataset( n ) as(
  2          --// ignore this part as it only builts a base table
  3          --// for us to use to select values for input to
  4          --// to the pipeline - in "real world" use this table
  5          --// will already exist
  6          select
  7                  level
  8          from    dual
  9          connect by level <= 10
 10  ),
 11  pipe_line( n, array ) as(
 12          --// we run the pipeline as a nested table column
 13          --// in the SQL projection - the CAST is important
 14          --// in order to establish the nested table type
 15          select
 16                  d.n,
 17                  cast(
 18                          FooPipe(d.n) as TIntegers
 19                  )
 20          from    dataset d
 21  )
 22  --// we now use a standard query to unnest the nested table column
 23  select
 24          p.n,
 25          pipe_val.*
 26  from       pipe_line p, TABLE(p.array)  pipe_val
 27  /

         N COLUMN_VALUE
---------- ------------
         1            1
         1           -1
         2            2
         2           -2
         3            3
         3           -3
         4            4
         4           -4
         5            5
         5           -5
         6            6
         6           -6
         7            7
         7           -7
         8            8
         8           -8
         9            9
         9           -9
        10           10
        10          -10

20 rows selected.

SQL>

Not sure I like it. What is the real problem that this method (driving a pipeline with input of a base table rows) is supposed to address? There may be a simpler and more elegant approach...

Looking for an example of "function that returns the error text.
Environment: APEX 3.1.1.00.09 on AIX 5.3

I'm looking for an example implementation of the posting of the "function that returns the error text.

I would like to write a database function that does the validation logic and return the text of the error.

Is it possible to create multiple lines of text of error based on error conditions?

I'm trying to use it at the end of the input data to go on the set of the 'document' to the entry and highlight all error conditions encountered before the 'document' is subject to additional processing.

I wrote the function and reference it in a posting as ' validate_stuff (: P3_DOC_SEQ); »

I have an error message "validate_stuff is not a procedure or is not defined.

The object is a function, not a procedure. It is defined to return a parameter VARCHAR2 hoped posting if it is not NULL.

When I run the SQL function * more and spend in a number of documents are returned the correct error messages.

Any direction is greatly appreciated.

-gary
Hi Gary,.

You must RETURN the result of the function:
```
BEGIN
 RETURN validate_stuff(:P3_DOC_SEQ);
END;
```
Andy

Go to a function that returns a Boolean

Short version of the question: Boolean values can be returned by a pl/sql function?
I've implemented a short function which returns a Boolean value; When I compile it I get an error:
Error report:
ORA-06550: line 5, column 32:
PLS-00382: expression is of the wrong type
ORA-06550: line 6, column 4:
PLS-00306: wrong number or types of arguments in the call to "PUT_LINE '.
ORA-06550: line 6, column 4:
PL/SQL: Statement ignored
06550 00000 - "line %s, column % s:\n%s".
* Cause: Usually a PL/SQL compilation error.
* Action:
The closest, I appealed

RETURN sys.diutil.bool_to_int (< foo >);

and then a caller script can call

sys.diutil .int_to_bool (< bar >);
at least this way there is no verification of the Boolean value of 'manual '. Is it really the only way to return / call a Boolean?

Thank you
Chris

EDIT

I was aware of the fact I had not provided examples of code - and was just one question fairly open. I hope that this example will show what does not work!

I have a function that returns a Boolean value:

create or replace
FUNCTION myFunc (s_in IN VARCHAR2) RETURN a Boolean value
IS
s_out BOOLEAN: = TRUE;
BEGIN
RETURN s_out;
END FUNCTION3;
I try and call the function in the following script:
DECLARE
s_in varchar2 (20): = "Hello";
s_out boolean;
BEGIN
SELECT myfunction (s_in) INTO s_out FROM DUAL;
END;
That's when I get the error. But sorry, I was looking for too many error messages! I have worked that the one I posted above is because put_line can accept only strings and numbers not Boolean, the mistake that this function returns is:
ORA-06550: line 5, column 32:
PLS-00382: expression is of the wrong type
ORA-06550: line 5, column 11:
PLS-00382: expression is of the wrong type
06550 00000 - "line %s, column % s:\n%s".
* Cause: Usually a PL/SQL compilation error.
* Action:
However, I suppose that the comment of Frank Kulash is perhaps the reason why I see this?

Post edited by: 2922851

Hi, Chris,.

2922851 wrote:

Short version of the question: Boolean values can be returned by a pl/sql function?

Sure. If you are having problems, post your code (both the function and some PL/SQL that calls it).

The BOOLEAN data type exists only in PL/SQL, not in SQL, so if the function returns a BOOLEAN value, then you can't call it in a SQL statement, even if this SQL statement is used within PL/SQL. For this reason, a lot of guys write functions that return a NUMBER (1 or 0) or a string (' t ' or 'F') rather than return a BOOLEAN value.

I've implemented a short function which returns a Boolean value; When I compile it I get an error:

Error report:

ORA-06550: line 5, column 32:

PLS-00382: expression is of the wrong type

ORA-06550: line 6, column 4:

PLS-00306: wrong number or types of arguments in the call to "PUT_LINE '.

ORA-06550: line 6, column 4:

PL/SQL: Statement ignored

06550 00000 - "line %s, column % s:\n%s".

* Cause: Usually a PL/SQL compilation error.

* Action:

This error indicates a problem calling put_line; It has nothing to do with what returns the function.

Why we use the cursor

Hi all
I would be grateful someone right me if I'm wrong. I ask the question below just for my purpose of learning.
Question - Why do we use the cursor?
Response Cursor is used to treat several lines in PL/SQL.
Or
Is used to treat a set of records from one or more tables, you can write a cursor on the table using select statement and then you can browse through all these a Recordset, and perform your required operations.
Post edited by: Muzz, I'll open another discussion to my other question. Thank you

Hello

Muzz says:

Hi all

I would be grateful someone right me if I'm wrong. I ask the question below just for my purpose of learning.

Question - When we use Procedure and Function when?

Response

When you want to run a series of DML statements then do like us and when we want to return a single value, then we use the function.

Much has been written on this subject. Start by finding some of them:

https://www.Google.com/#q=when+use+procedure+function+Oracle

read some of them and then ask a more specific question

Procedures are not just for the DML; There are a lot of things in addition to DML you can do in the procedures. For example, you can send e-mail messages, or can read and write files.

The second half of your response, 'when we want to return a single value, then we use the function', is the right of bascally. In particular, when you want to return a value that will be used in a SQL statement, you use a function.

Functions in the pipeline are a special case. A lot of what you read or you say about 'functions' means implicitly 'no Pipeline functions.

Question - Why do we use the cursor?

Response Cursor is used to treat several lines in PL/SQL.

Or

Is used to treat a set of records from one or more tables, you can write a cursor on the table using select statement and then you can browse through all these a Recordset, and perform your required operations.

You'll have best results if you start a separate thread for each separate issue. This issue is completely separate from the question on procedures

You're right that the sliders are a way to process the rowsets, which can contain 1 line or several lines.

Yes, you can use a slider to manage the rows one at a time. Do not forget that it will be less effective than the manipulation of all at once, so don't use a cursor to do something that can be done in a single SQL statement.

How to expose a function that returns a XML as a Web Service?

---------------------------------------------------------------------------------
Oracle Database 11 g Release 11.2.0.3.0 - 64 bit Production
PL/SQL Release 11.2.0.3.0 - Production
"CORE 11.2.0.3.0 Production."
AMT for 64-bit Windows: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
---------------------------------------------------------------------------------

After reviewing the documentation of oracle on the generation of xml data in the database, I managed to select normal tables and return a result xml exactly as I want:

-- My types
create or replace 
TYPE CHILD_T AS OBJECT ("@ID" VARCHAR2(20), "@NAME" VARCHAR2(20));

create or replace 
TYPE CHILDREN_T AS TABLE OF CHILD_T;

create or replace 
TYPE PARENT_T AS OBJECT ("@ID" VARCHAR2(20), CHILDREN CHILDREN_T );

-- The actual select
SELECT XMLFOREST (
            PARENT_T(d.id,
            CAST ( MULTISET (SELECT c.id, c.name
                             FROM child c
                             WHERE c.parent_id = p.id) AS CHILDREN_T )
            ) AS "Parent"
        ) 
FROM parent p;

That gets me this:

<Parent ID="1">
    <CHILDREN>
        <CHILD_T ID="1" NAME="xxxxx" />
        <CHILD_T ID="2" NAME="yyyyy" />
        <CHILD_T ID="3" NAME="zzzzz" />
    </CHILDREN>
</Parent>

It's perfect, but how to expose this result as a Web Service like this link?

 http://localhost:8080/orawsv/MY_USER/GET_CHILDREN?wsdl

I tried this function:

FUNCTION GET_CHILDREN (
    PARENT_ID IN VARCHAR2
) RETURN CLOB
AS
    L_RESULT CLOB;
BEGIN
    SELECT to_clob(XMLFOREST (
            PARENT_T (p.id,
            CAST ( MULTISET (SELECT c.id, c.name
                             FROM child c
                             WHERE c.parentId = p.id) AS CHILDREN_T )
            ) AS "ParentObj"
      )) AS MY_XML INTO L_RESULT
    FROM parent p
    WHERE p.i = PARENT_ID;

    RETURN (L_RESULT);
END GET_CHILDREN;

But when I access although .NET Compact Framework, I get this: "'Element' is an invalid XmlNodeType.

As you can see, I just need a simple way to transport information between a Windows CE handheld computer and our database. Use functions that return simple values.
Do I have to return the data as xml?
What return value I should use? Varchar2 throws a buffer error output.

---------
It is my first post here, also my first contact with OracleDB, and Web Services.

Hello

Welcome to Oracle and XML DB!

After reviewing the documentation of oracle on the generation of xml data in the database, I managed to select normal tables and return a result xml exactly as I want:

Have you also read about the SQL/XML functions?
You don't have to create objects of type SQL to generate XML data.

Using only XMLElement, XMLAgg, XMLAttributes, etc., you should be able to generate any kind of structure complex relational data and with total control over the names (which you don't have with the types of objects).
Your example can be rewritten to:

SELECT XMLElement("Parent",
         XMLAttributes(p.id as "Id")
       , XMLElement("Children",
           (
             SELECT XMLAgg(
                      XMLElement("Child",
                        XMLAttributes(
                          c.id as "Id"
                        , c.name as "Name"
                        )
                      )
                    )
             FROM child c
             WHERE c.parent_id = p.id
           )
         )
       )
FROM parent p
WHERE p.id = :parent_id ;

It's perfect, but how to expose this result as a Web Service like this link?
[...]
Do I have to return the data as xml?

Yes.
Define the return as XMLType data type:

FUNCTION GET_CHILDREN (
    PARENT_ID IN VARCHAR2
)
RETURN XMLTYPE
AS
    L_RESULT XMLTYPE;
BEGIN

  SELECT XMLElement("Parent",
           XMLAttributes(p.id as "Id")
         , XMLElement("Children",
             (
               SELECT XMLAgg(
                        XMLElement("Child",
                          XMLAttributes(
                            c.id as "Id"
                          , c.name as "Name"
                          )
                        )
                      )
               FROM child c
               WHERE c.parent_id = p.id
             )
           )
         )
  INTO L_RESULT
  FROM parent p
  WHERE p.id = PARENT_ID ;

  RETURN (L_RESULT);

END GET_CHILDREN;

Function that returns only numbers
Is it possible to have a SQL function that returns only numbers in a varchar?

Example:

My PHONE_NUMBER table contains a field with a phone number in VARCHAR2, it can contain:

1-888-444-5555 or (514) 444-6666 or 514-222-4444 ext: 100

I want to have a fuction which back me:

18884445555 and 5144446666...

Thanks for the help
Hello

For a copy of the string s with everything except the numbers (0-9), was deleted:
```
REGEXP_REPLACE ( s
               , '[^0-9]
               )
```
The expression above will work in Oracle 10 and higher.
In any version, you can use TRANSLATE to remove the numbers, then reuse TRANSLATE to remove these characters from the s.
```
TRANSLATE ( s,
       , '0' || TRANSLATE ( s
                              , 'A0123456789'
                    , 'A'
                    )
       , '0'
       )
```

How to call a function that returns a SYS_REFCURSOR?

Here's the situation.
If I use ODP. NET to get a REF_CURSOR of a procedure in a package that it works without a hitch.

If I use ODP .NET to run an Oracle function that returns a REF CURSOR, all sorts of things fool you.
I use .NET 3.5 and ODP .NET version 2.112.1.2 (11 G). My Oracle database is 9.2.0.7.0

There is this function returns a REF CURSOR.
The code looks something like this.

CREATE OR REPLACE FUNCTION SENDMEAREFCURSOR RETURN SYS_REFCURSOR IS
  X_REF genPkg.genericcursor;
BEGIN
  OPEN X_REF for
    SELECT customer_id, name FROM CUSTOMERS;
  Return X_REF;
END;

.NET code looks like this. It's after a few adjustments.

        private static OracleDataReader FireMyFunc(OracleConnection oc)
        {
            try
            {
                OracleCommand cmd = new OracleCommand();
                cmd.Connection = oc;
                //cmd.CommandText = "SELECT sendmearefcursor FROM DUAL";
                //cmd.CommandType = System.Data.CommandType.Text;
                cmd.CommandText = "sendmearefcursor";
                cmd.CommandType = CommandType.StoredProcedure;
                OracleParameter prm = cmd.CreateParameter();
                prm.OracleDbType = OracleDbType.RefCursor;
                prm.ParameterName = "returncurse";
                prm.Direction = ParameterDirection.ReturnValue;
                cmd.Parameters.Add(prm);
                cmd.ExecuteNonQuery();
                return (OracleDataReader) prm.Value; //Throws an UnableToCast exception.
            }
            catch (System.Exception ex)
            {
               Console.WriteLine(String.Format("FireMyFunc: {0}",ex.ToString()));
                throw;
            }
        }

What should I do to get the refCursor?

Hello

You can use the GetDataReader of the OracleRefCursor object to return the datareader object.

OracleRefCursor rc is prm (OracleRefCursor). Value;
return of rc. GetDataReader();

HTH
Jenny

When to use the cursor for loop and the cursor (open, fetch, close)
Hello world
I have a small doubt about when to use the cursor for loop and when to use the cursor for loop and the cursor (open, fetch, close).
Well, I'm not the difference between implicit and explicit cursor. So please tell me how I got to know, what to use and when?

Kind regards
BS2012

Published by: BS2012 on January 29, 2013 12:15
All SQLs are analyzed, stored and executed as cursors. Thus, you will always use a cursor.

The problem is that languages, such as PL/SQL, provide different interfaces to interact with the SQL cursor. As the ref, the slider interface, the interface DBMS_SQL slider interface and so on.

Each of these interfaces offers different features. For example, using the interface DBMS_SQL allows binding dynamics and dynamic recovery. The Ref Cursor interface allows your code PL/SQL pass a handle to a reference pointing to the SQL cursor, to an external client. Etc.

The fundamental reason for the use of an explicit cursor interface is mainly that you own and manage bulk made extraction output provided by PL/SQL cursor.

With a cursor FOR , the motor loop of PL/SQL optimize the loop by extracting block a 100 lines both. However, you cannot access this collection in bulk directly inside the loop.

With an explicit cursor interface, you specify the size of the extraction in bulk via the clause LIMIT , and you set the variable of collection to use. This allows you to use the collection directly variable inside the loop.

However, the need to do - code manually in bulk collection - rarely occur in the daily programs in PL/SQL. A line of treatment is both slow and not well fits. And even if your bulk code collects lines, these lines must still be processed one at a time in your code. It is much more efficient and scalable rather write SQL code, and make the engine SQL the line of treatment for you.

test a SP that returns a CURSOR
I am using Oracle 11 and trying to use SQL Developer. However, I can't seem to get the DEBUGGING to work to test the call a SP that returns a cursor.

I wrote a small test program to test, but they do not compile and I'm not sure why not. Can help you?

the first code fragment is a package that I have that has a defined CURTYPE. It is used throughout my request, when you declare a cursor:
```
create or replace
PACKAGE          "SP_STATE" 
Is
    type     curtype is ref cursor;
...
```
now, here's the first part of the SP I want to test. Note that I've defined PriceCur as using the CURTYPE package.
```
create or replace
PROCEDURE          "USP_GETL_ACCOUNT_PRICES" (
  AcctNo          in     marketer_account.mka_last_full_css_acct_no%type,
  MktrNo          in     marketer_account.mka_mktr_no%type,
  Status                     in              varchar2 default null,     
  PriceCur          out            sp_state.curtype
  )
as
begin
Open Pricecur For 
Select 
...
```
Now, here's my m.o.:
```
Declare 
   Price_Cur  Sp_State.Curtype;
   price_rec  price_cur%rowtype;
Begin
   Usp_Getl_Account_Prices('302189139000026', 11813,'A', price_cur);
   Open Price_Cur;
   Loop
      Fetch Price_Cur Into Price_Rec;
      Exit When Price_Cur%Notfound;
      dbms_output.put_line(price_cur%rowcount || ') ' || price_rec.apr_account_price_id);
   End Loop;
   close price_cur;
end;
```
They do not compile. What I'm doing here is call SP - pass 3 incoming parameters and retrieve a cursor.
so I want to loop through the cursor and list some fields on...

Where I'm going wrong? Any help would be greatly appreciated.

Sean
userLynx wrote:
I get this error:

Error report:
ORA-06504: PL/SQL: return variables of the game results or the query types do not match
ORA-06512: at line 7
+ 06504. 00000 - "PL/SQL: return of the variable result set or query types do not match." + "
* Cause: Numbers or types of columns in a query does not match declared.
return type of a variable result is defined or declared two result types
Set of variables do not match.
* Action: Change the program or the declaration statement. Check what query variable +.
actually we want during execution.

He doesn't like the var defined as varchar2. I can change that to a % rowType heart?

When I proposed to modify the code according to your needs, I assume that you would like to change the instruction WRT Fetch your columns retrieved in the Refcursor; And so I suggest no changes in it.

As riedelme says, a record would help for better maintainability. :)

You do not experience other errors, you met earlier, right?

Kind regards
P

Published by: Jen K on July 12, 2012 12:04 AM

How to execute a stored procedure that returns a cursor?
How to execute a stored procedure that returns a cursor?

Follow the code:

CREATE OR REPLACE PROCEDURE stp_cashin_grupo
(p_func in VARCHAR
p_cod_grup in full
p_des_grup in VARCHAR
p_logi in VARCHAR
p_curs_rset ON infoc.pck_cashin_grupo.curs_rset
)
IS
BEGIN

If p_func = "1" then
OPEN FOR P_curs_rset
Select
cod_grup
des_grup
dat_manu_grup
des_logi_manu
of infoc.tbl_cashin_grupo
order of des_grup;
end if;
END stp_cashin_grupo;

and packaging:

CREATE or REPLACE PACKAGE pck_cashin_grupo
AS
TYPE curs_rset IS REF CURSOR;
END pck_cashin_grupo;

My question is how to execute in sql plus?
Stp_cashin_grupo EXEC ('1', 0, ", '465990', my doubt is how to move the cursor as return)

Thank you
It is described in the manual

http://download.Oracle.com/docs/CD/B19306_01/server.102/b14357/CH5.htm#sthref1122

Create the object type with a member function that returns an array of the object type

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

);

/

Now, it must implement the body of type.

Note that a table of the REFs is not very useful in the plain of PL/SQL, the underlying data must be stored in a nested table if you want to use.

Message box in function that returns a list deletes the created list... (Dialog box)

Hello
I work with a complex dialogue, its purpose is to manage a section in the PDF file.
I use a "mclv" object in the dialog box to represent data entries in the PDF file in order to manage the result in another section.
I created a function that creates the list based on a previous section in the PDF object, the function works perfectly well.
But I have a small question, the function used to create the list of the dialog box object performs a check with the former front list created, as appropriate,
and if in any case it is different from the old list, I need to warn the user that the list has changed and if there were any changes applied to the result it will be returned to zero and must be recreated.
But when the poping that message box, all lists are deleted and nothing is displayed in the objects 'mclv.
If I remove the message box, the lists are all very well...
Is there anyone who have come across something like this before? If so, any solution to this problem?

I asked my question a bit too quickly, I already found a work around

But I still don't understand why he behaves like that tho...

I just thought how to work around this problem.

If anyone has encountered this problem can use this solution:

Instead of having the message inside the function to return box, I declared a global Boolean variable to the Script object

If the message box must be displayed, the Boolean value is set to True

Once in the initialize event of the dialog box, if the value Boolean true I call the message box and reset the value Boolean false

Request report - use the function that returns the cursor

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