[ADF, JDev12.1.3] How to get the column headers, request of VO and VO bind vars used by an af:table?

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• How to get the value of prompt financial reports and use it as a header

  Hi gurus of the Oracle,.
  
  I have Hyperion Financial Reporting 11.1.1.3. I've created a report.
  
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  Hello

  Here's the way to do this:
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  It could be useful!

  Published by: user8628169 on June 22, 2011 10:53

• How to get the total line count COUNT (*) SELECT and put on a page?

  Hello
  
  I use JDeveloper 10.1.3.4. I need get the total number of rows in a table and display it on a page and the problem in doing so. At the sqlplus prompt the row count simply would be, for example:
  

     select count(*) from BILL;

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  <h:outputText value="#{summary.totalStudentsCount}"
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  2. in summary the bean code is:
  

      private Number totalStudentsCount;
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      }

  The idea of calling a stored function usnig as a "helper" method is 25.5.3 in the Developer's guide, which is closest to you in my need. It's for the functions with the one IN argument; but in my case, the function is not any argument IN. That's why, when you call the helper method CallStoredFunction(), I gave an empty as the last argument and amazing array that caused the problem:
  

  return (Number)CallStoredFunction(NUMBER, "get_total_students(?)", new Object[] {});

  3. the registered function has been tested and works fine at the sqlplus prompt:

  create or replace function get_total_students
     return NUMBER
  AS
     v_student_count NUMBER;
  BEGIN
     select count(ldap_uid)
     into v_student_count
     from bill;
     return v_student_count;
  END;

  4. when the summary.jspx page is run, the browser is full of error messages, the first long line is here (I have split several online for ease of reading):

  javax.faces.el.EvaluationException: 
    javax.faces.el.EvaluationException: 
      Error getting property 'totalStudentsCount' from bean of type 
      zblc.viewcontroller.backing.staff.Summary: oracle.jbo.JboException: 
        JBO-29000: Unexpected exception caught: 
          java.sql.SQLException, msg=Missing IN or OUT parameter at index:: 2

  Thus,.
  (1) what is the problem? What is this parameter IN or OUT of {color: red} index: 2 {color} consult? It has to do with the empty array as the last argument in the call to the helper method?
  (2) this approach is an overdose, and are there more simple and better ways?
  
  Thank you very much for help!
  
  
  Newman

  Hello

  Is there a specific reason why you don't simply create read only object to display with some count (*) as OFCASES from MYTABLE and then just drag and drop the attribute ofcases in page?

  Kind regards

  Branislav

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• [ADF, JDev12.1.3] How to set the value of an attribute of VO 'max (attribute) + 1' when creating a new record?

  Hallo,

  I have a VO that selects records from a table databace where FkId = < value >.

  For example: this is the database table...

  ID RowDetNumber OtherFields FkId

  1   3     1            ...

  2   3     2            ...

  3   3     3            ...

  4   3     4            ...

  5   4     1            ...         |
  

  6   4     2            ...         | -VO selects these records (where FkId = 4 for example)
  

  7   4     3            ...         |
  

  8   5     1            ...

  9   5     2            ...

  When a new record is created the field RowDetNumber must be calculated with the logic of the max (RowDetNumber) + 1.

  So for the example above, the calculated value should be 3 + 1 = 4.

  I would like to know how I can calculate the value and assign to the RowDetNumber attribute.

  I did some experiments using a Groovy expression as a default value for the field, but I got only errors.

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  In particular, a small example for every possible approach would be happy.

  Thank you

  Federico

  Federico, the solution mentioned in the block will work as it only generates unique numbers without guarantee that the generated numbers are without flaw. However, if you want to use max + 1 this normally means you want to have a sequence without gap. It is very very complicated in nature. It doesn't matter what application you're trying, there is almost always room for error, ending with duplicate numbers.

  The trigger also works as the DB supports triggers on MS SQL.

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  ID RowDetNumber OtherFields FkId

  1  3    1            ...

  2  3    7            ...

  3  3    9            ...

  4  3    10            ...

  5  4    3            ...        |
  

  6  4    5            ...        | -VO selects these records (where FkId = 4 for example)
  

  7  4    12            ...        |
  

  8  5    4            ...

  9  5    6            ...

  Timo

• [ADF, JDev12.1.3] How to hide the asterisk for required fields in an af:form?

  Hallo,

  I would like to not display the asterisk in front of the label of the fields...

  

  ... so I set for all areas of the ShowRequired property to false.

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  Thank you

  Federico

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