How to create a report based on the item selected from the list of selection?

Hello

I created a tables_LOV based on:

Select table_name table_name user_tab_cols r, d

where column_name like '% _type % '.

Then I created a ListOfTables page element, display in a selection list and pointing to tables_LOV.

I run the page, and I can choose the table I want in the drop-down list.

How to create a report based on the selected element? (ex: select * from selected_table)

Thanks in advance

Salah

Hi Salah,

Allright, take a look at this page: http://apex.oracle.com/pls/apex/f?p=vincentdeelen:collection_report

I think that simulates what you are trying to accomplish. I've implemented the simplest method I could think of.

The report is based on a collection of apex. If you are not familiar with this, you should study the documentation: APEX_COLLECTION

To recreate my example, you should:

(1) create a report (interactive) on your collection

SELECT *
   FROM APEX_collections
 WHERE collection_name = 'MY_COLLECTION'

(2) create a selection list page_item for the tables that you want to display (in my case, this is called "P38_TABLES")

(3) create a dynamic action that triggers on the evolution of your selection list page_item. Dynamic action must be a parade of PL/SQL procedure the following code:

declare
  l_query varchar2(4000);
begin
  l_query := 'select * from '||:P38_TABLES;
  if apex_collection.collection_exists
        ( p_collection_name => 'MY_COLLECTION' )
  then
    apex_collection.delete_collection
      ( p_collection_name => 'MY_COLLECTION' );
  end if;

  apex_collection.create_collection_from_query
    ( p_collection_name => 'MY_COLLECTION'
    , p_query           => l_query
    );
end;

Make sure that you add your page_item 'Page to send items' section.

(4) add a real extra action that makes an update of the report area.

Here are two photos describing the da:

http://www.vincentdeelen.com/images/OTN/OTN_COLLECTION_REPORT_DA1.PNG

http://www.vincentdeelen.com/images/OTN/OTN_COLLECTION_REPORT_DA2.PNG

Good luck and greetings,

Vincent

http://vincentdeelen.blogspot.com

Tags: Database

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