Send a Page having the SHUTTLE point

Hello

I have an element of type - SHUTTLE, this train to suppose that 1,000 records.
When I submit the page containing the type of SHUTTLE, all records of 1000 are parade first before submitting the page, I mean the control goes from top to bottom for this element.

This is the default function of APEX?.

Thank you
Deepak

Deepak:

The function will delete all items in the item of the shuttle and submit the page.

CITY

Tags: Database

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Hello

I am trying to record the content of an element of the shuttle. I m using a "Save"-button that triggers a process (PL/SQL anonymous block). "."

The content of the element of the shuttle should be stored in a table.

The point of shuttle from filling with a calculation of work. Store new items that have been enjoy on the left side to the right side works just as well.

Unfortunately I m not able to delete an existing element on the right side.

If I remove an item from the right to the left and click on the button "Save", I get the error "ORA-01722: invalid number". "."

I m using the following PL/SQL block:

DECLARE
  v_count        NUMBER  := 0;
  v_shuttle_ids  VARCHAR2(1000);
  v_shuttle      APEX_APPLICATION_GLOBAL.VC_ARR2;
BEGIN
  v_shuttle := APEX_UTIL.STRING_TO_TABLE(:P47_PFLANZLICHE_HERKUNFT);

  FOR i in 1 .. v_shuttle.count LOOP
    SELECT COUNT(*) INTO v_count FROM rjm.material_objekte WHERE objekte_id = :P47_OBJEKTE_ID AND material_id = v_shuttle(i);

    IF v_count = 0 THEN
      INSERT INTO rjm.material_objekte (objekte_id, material_id) VALUES (:P47_OBJEKTE_ID, v_shuttle(i));
    END IF;

    v_shuttle_ids := v_shuttle_ids || v_shuttle(i) || ',';
  END LOOP;
   
  v_shuttle_ids := SUBSTR(v_shuttle_ids, 0, LENGTH(v_shuttle_ids) - 1);

  DELETE FROM rjm.material_objekte WHERE objekte_id = :P47_OBJEKTE_ID AND material_id NOT IN (v_shuttle_ids);
END;

The Delete statement fails because the data types are not compatible. The variable v_shuttle_ids is the VARCHAR2 data type and the database column material_id has the NUMBER data type.

Anyone has a solution to the problem (for example, casting data types) or has a better way to remove existing items from the shuttle point?

Thank you in advance,

Patrick

If I understand the problem, your code should look like this:

DECLARE
  v_count        NUMBER  := 0;
  v_shuttle_ids  NUMBER_TT;
  v_shuttle      APEX_APPLICATION_GLOBAL.VC_ARR2;
BEGIN
  v_shuttle_ids := NUMBER_TT();
  v_shuttle := APEX_UTIL.STRING_TO_TABLE(:P47_PFLANZLICHE_HERKUNFT);
  FOR i IN 1 .. v_shuttle.count LOOP
    SELECT COUNT(*) INTO v_count FROM rjm.material_objekte WHERE objekte_id = :P47_OBJEKTE_ID AND material_id = v_shuttle(i);
    IF v_count = 0 THEN
      INSERT INTO rjm.material_objekte (objekte_id, material_id) VALUES (:P47_OBJEKTE_ID, v_shuttle(i));
    END IF;
    v_shuttle_ids.extend();
    v_shuttle_ids(v_shuttle_ids.last) := v_shuttle(i);
  END LOOP;
  DELETE FROM rjm.material_objekte WHERE objekte_id = :P47_OBJEKTE_ID AND material_id NOT IN (SELECT column_value FROM TABLE(v_shuttle_ids));
END;

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It is not the case that by clicking on a tab shall submit the current page, using the name of the tab as the demand? I have to work some of the time, but not always. In particular, it seems to work if the execution point is "on the presentation before the calculation", but not when the point of performance is "after the submission.

Here's what I did: I created a new application with two pages, each of which has a tab Page 2 has nothing in it. Page 1 has an element, a button, and two processes of PL/SQL. Process 1 is unconditional and sets the item at 10. Process 2 is conditional to the tab named 'T_PAGE2' and increment point 5.

If the two processes running "on the presentation before the calculation" then everything works fine:
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Note that I have not calculations and validations in my application. My only conclusion is that when you submit via a tab, there is a sort of internal validation occurring which keeps firing processes. Can someone explain this to me?

Ed Sciore
Boston College
Hi Ed,

It's actually very simple see what happens for yourself. Run your application in debug mode, then check the debug report of the page that you clicked on the tab. You will see something like this
>
General direction of the point: front of calculation
Point calculation: after the presents
Etichette: Make the connection for the tab applications
>

In other words, Apex knows it is a tab application and performs calculations of before branching out.

Does not explain what you see?

See you soon,.

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Hello

I want to fill the shuttle point dynamically using selection LOV cascading list. but when I change to another value left and right gets refreshed.

but I want to refresh only the left side, right must be the same.

I want to achieve something like that

http://Apex.Oracle.com/pls/Apex/f?p=579:56

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pls help me with this. Its very urgent.
879090 wrote:

If you are on 4.x just used the cascade LOV Parent article (s) in the element of the shuttle

Yes use v 4.X .and uses the parent LOV cascading item. My problem is that I want to change the elements of lov parent and cascading using different values.

Let's say my lov elements parent has deptno 10,20,30.

Wen I select dept 10 it should display all the emp to 10 dept. and I wil select some employees from that. then I will select dept 20 then it will show all employees of dept 20 and I will select a few PMCs from that.

But now the prob is wen I don't change the dept No 20 of 10, the right side of the shuttle point with details emp dept 10 has disappeared. but I want that values must be ter, and should be updated by the left side.

check out the link that I have attached in the first post. I want to achieve the same thing like that.

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Test/test connection

Shuttle point - save the changes
The shuttle point integrated is a good way to view and edit data to multiple values. If the data comes from a single line and column (delimited), using the internal order process line Fetch and automatic DML to read/write, it work well.

But what happens if the data from multiple lines in a source table? Say 10 lines are selected (right hand of shuttle) off a 50 LOV. The Source of the element of the shuttle has just the query to retrieve the 10 lines and the APEX engine automatically converts multiple values into 1 delimited value required by the shuttle.

But when it comes to saving the changes in the shuttle, there is no easy way to identify what has changed. Say I deselect the option 1 and select 2 new items in the left side of the shuttle. Value of the element in the session state is delimited by colon 1 string containing the currently selected values. How this translates into the ELIMINATION of 1 and 2 INSERTs necessary against the base table?

I can think of to save the front-subimit value in a hidden element, comparing it to the value of after-submit and stuff like that, but that seems a lot of work. What this kind of thing done effectively?

Thank you
HELEN wrote:

But when it comes to saving the changes in the shuttle, there is no easy way to identify what has changed. Say I deselect the option 1 and select 2 new items in the left side of the shuttle. Value of the element in the session state is delimited by colon 1 string containing the currently selected values. How this translates into the ELIMINATION of 1 and 2 INSERTs necessary against the base table?

I can think of to save the front-subimit value in a hidden element, comparing it to the value of after-submit and stuff like that, but that seems a lot of work. What this kind of thing done effectively?

As the table changed with the values of the shuttle contains one column other than the PK and the shuttle update column, this can all be handled with reusable one DML MERGE statement and a utility function:
```
begin

  merge into shuttled_states ss
  using (
  /*
    The merge source requires a set of matched pairs: the selected shuttle values
    against the corresponding values in relevant DB rows, for example:

    shuttle_st  db_st
    ----------  -----
    X           X       -- X is in both shuttle selection and DB rowset
                Y       -- Y is not in the shuttle selection but is in DB rowset
    Z                   -- Z is in the shuttle selection but not DB rowset

    We therefore need to leave the X row in the DB unchanged, delete the Y row,
    and insert the Z row.

    This query should also contain other columns and values required in matching
    rows in the merge, or in inserted rows.
  */
    select
        shuttle.column_value shuttle_st
      , db.st db_st
    from
        table(string_to_coll(:p37_states)) shuttle
          full outer join shuttled_states db
            on shuttle.column_value = db.st) t
  /*
    Match conditions normally include matching PK and/or other values to get the
    relevant DB rowset, but the main requirement here is a predicate that matches
    using the DB value column from the shuttle/DB rowset pair.
  */
  on (ss.st = t.db_st)
  when matched
  then
  /*
    This is where the restriction applies. Although we don't actually want to
    update any matched rows as they are unaffected by the shuttle selection, the
    MERGE can only delete rows that have been updated. However we can't update
    any of the columns used in the match, so there needs to be at least one
    column available that can be set to the same value to mark the row as
    updated...
  */
    update
    set
        ss.state_name = ss.state_name
  /*
    ...which makes it possible to delete rows that are not selected in the shuttle.
  */
    delete
    where
        t.shuttle_st is null
  /*
    Where there's no match the value is newly selected in the shuttle and is
    inserted as a new row.

    (Other values required should be included in the query, or handled in a
    trigger.)
  */
  when not matched
  then
    insert
      (st)
    values
      (t.shuttle_st);

end;
```
This method uses to transform the selected values shuttle of a string delimited by two points in a set of SQL. The function provided by Oracle apex_util.string_to_table returns a PL/SQL associative array that is not appropriate for this. If it is possible to convert a string into lines purely using SQL, these methods are rather obscure and only can be reused by cutting-and-pasting. A simple function that returns a collection of standard SQL type can be used as a set of rows in a query through the SQL TABLE operator and is highly reusable:
```
create or replace function string_to_coll (p_string in VARCHAR2) return sys.ODCIVarchar2List
is

  l_table apex_application_global.vc_arr2;
  l_list  sys.ODCIVarchar2List := new sys.ODCIVarchar2List();

begin

  l_table := apex_util.string_to_table(p_string);

  l_list.extend(l_table.count());

  for i in 1..l_table.count()
  loop
    l_list(i) := l_table(i);
  end loop;

  return l_list;

end;
```
For purposes of demonstration, this one uses the predefined sys . ODCIVarchar2List collection type. In real life, you would create your own, and of course the function would be in a package, not stand-alone.

Creation of Validation for the multiple selection list or shuttle point
Hello
I'm new to APEX and have questions about the best way to validate the selected shuttle items to verify that they exist in the sys.dba_roles table before submitting. The shuttle point uses a static LOV. I would like to than the error message to display when there is no such thing as a role selected in the element of the shuttle in the sys.dba_roles table.

Using version 3.2 of APEX
DB version 9.2.0.8.0
Internet Explorer version 6

I tried to create a validation step level about to shuttle P3_ROLE using SQL EXISTS when you press the button SUBMIT. I know that when argued that the shuttle point returns the selected values in a single string delimited by a colon. I use the APEX_UTIL. STRING_TO_TABLE to convert values selected in a table.

CODE HERE
declare
l_selected APEX_APPLICATION_GLOBAL. VC_ARR2;
number of l_num;
Start
l_selected: = APEX_UTIL. STRING_TO_TABLE(:P3_ROLE);
BECAUSE me IN 1.l_selected. COUNTY
LOOP
Select 1 from l_num of sys.dba_roles where role = l_selected (i);
END LOOP;
end;

This is the error ORA-00928: lack of SELECT keyword
1006 - ERR error in the validation routine.

Any advice? Thoughts? Thank you.

Published by: Violet on Oct 14, 2010 14:50
Hello

Your code is PL/SQL block. You cannot use this type of validation with your code.

Try to change the body type of the function that returns the error text and
code for this one
```
DECLARE
  l_selected APEX_APPLICATION_GLOBAL.VC_ARR2;
  l_num NUMBER;
BEGIN
  l_selected := APEX_UTIL.STRING_TO_TABLE(:P3_ROLE);
  FOR iIN 1..l_selected.COUNT
  LOOP
    SELECT count(1) INTO l_num FROM sys.dba_roles WHERE role = l_selected(i);
    IF l_num = 0 THEN
      RETURN 'Role not exists';
    END IF;
  END LOOP;
  RETURN NULL;
END;
```
Kind regards
Jari

Cannot insert rows in a table db to an element of the shuttle
I'm a little puzzled. I created a shuttle element called P18_SELECTED_RESOURCES with the following LOV:
```
SELECT sed.domain||'.'||
       sed.target||'.'||
       sed.skill||'/'||
       sed.skill_prof||'  '||
       r.first_name||' '||
       r.last_name "d",
       r.rsrc_id "r"
FROM   ri_resource r, ri_skill_supply_eq_demand sed
WHERE  r.rsrc_id = sed.rsrc_id
AND    sed.work_id = :P18_WORK_ID
```
It works properly and displays the correct data for: P18_WORK_ID.

Then I created a page called SAVE_SHUTTLE_SELECTION triggered by button process called Submit with an action to submit the page. The button is located in the same region of the point of the shuttle. It looks like this:
```
declare

 r_selected APEX_APPLICATION_GLOBAL.VC_ARR2;

begin

 -- Convert the colon separated string from the shuttle into the array
 
 r_selected := APEX_UTIL.STRING_TO_TABLE(:P18_SELECTED_RESOURCES);

 -- the array should now contain rsrc_ids from the shuttle LOV

 -- Now insert those rsrc_ids into the RI_WORK_ASSIGNMENT table with the work_id from P18_WORK_ID
 FOR i IN 1..r_selected.count LOOP
    insert into RI_WORK_ASSIGNMENT (RSRC_ID, WORK_ID)
    values (r_selected(i), :P18_WORK_ID);
 END LOOP;

end;
```
The code executes and returns a success message, but no data is inserted into the table. The shuttle point and P18_WORK_ID are in different regions, but they are on the same page. I even tried to put a *' "commit"; * After the END of LOOP;. I didn't know who would do anything. There can be no. I use APEX 4.1.

Thanks for any help.
Hello people of the sea,

I checked your code and the same replicated on my instance.it works fine.
I thought that you didn't want seleceted any value from the left pane of the shuttle.

so first change the value in the left pane to the right pane of the point of the shuttle, then click on submit .it definitely works.

Kind regards
Jitendra

APEX_UTIL. STRING_TO_TABLE trying to separate items of the shuttle. . Not to collect data
I use the below code and I don't receive the no found error of data.
I use this code to separate the content from the shuttle point... and put it in a text field.
But I sometimes randomly recive the no data found error...
No idea why it should happen... I don't know why this piece of code will trigger the when_no_data found the error.
Any info will be appreciated

Thank you and best regards,
Paul

v_selected APEX_APPLICATION_GLOBAL. VC_ARR2;
Start
v_selected: = APEX_UTIL. STRING_TO_TABLE(:P53_x);

If v_selected (1) is not null then
: P53_XADISSUE1N: = v_selected (1);
end if;
If v_selected (2) is not null then
: P53_XADISSUE2N: = v_selected (2);
end if;

I ran an apex debugging and it is the part of the production...
Transformation point: submit before 4 calculation

0,09300 0.00400... "Adv_proc" process: PLSQL (ON_SUBMIT_BEFORE_COMPUTATION) declare mmagazine_no number (10); madvtno number (10); mgno number (10); minvno number (10); mcontact_no number (10); v_selected APEX_APPLICATION_GLOBAL. VC_ARR2; begin v_selected: = APEX_UTIL. STRING_TO_TABLE(:P53_x); If v_selected (1) is not null 4 th

0.09700 0.00100 encountered unhandled exception to the process type 4 PLSQL

0.00100 error 0,09800 page view...

Published by: pauljohny on May 15, 2012 02:34
```
DECLARE
  t_count number;
BEGIN
  l_vc_arr2 := APEX_UTIL.STRING_TO_TABLE(:P53_x|| ':');
  t_count := l_vc_arr2.count - 1;
  if t_count > 0 then
    :P53_XADISSUE1N := l_vc_arr2(1);
  end if;
  if t_count > 1
    :P53_XADISSUE2N := l_vc_arr2(2);
  end if;
  if t_count > 2 then
    :P53_XADISSUE3N := l_vc_arr2(3);
  end if;
  --.....
exception
  when others then null;
end;
```
Kind regards
Richard
-----
blog: http://blog.warp11.nl
Twitter: @rhjmartens
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When a user selects a value (Group_Desc) of an element of LOV (created from a table), I want a corresponding value in the table to display in a second point (Director_Name) on the page. I don't know JavaScript, but found an example clear to the sum of the 3 elements of page in the 4th point-http://download.oracle.com/docs/cd/E10513_01/doc/appdev.310/e10497/javascript.htm#CHDDCIFE is similar but rather then making the sum of the values of the elements for the new item, I want to use a select look up of the table based on the return value for Group_Desc (point 1) to be included in article 2.

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Karen

I'll take a look in the morning.

Your description is not yet very clear (although I admit that I have not yet watched the app).

Please can you set desired entries and exits in you app.

See you soon

Ben

30.0 Firefox is so slow since updated. IE & Chrome not having problems loading pages, showing the blank pages, need two or more tests to open Web pages.

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Send a Page having the SHUTTLE point

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