How to create ADF BC components like EO from "View with INSTEAD OF trigger

I have a "View with INSTEAD OF trigger" on a external schema. is it possible to create ADF EO on top of this view in my local schema?. If possible, then is it possible to insert/update that external table using ADF standard data controls and Application module?. I'm trying to see if it's possible with standard ADF controls without calling pl/sql API to insert/update that external table. any ideas are appreciated.
Regards,
Surya

http://stegemanoracle.wordpress.com/2006/03/15/using-updatable-views-with-adf/

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ADF BC: Creating updatable VO based upon DB View with "instead of" trigger

Hello all,
I have got an interesting issue. I have an Oracle DB view that is used to hide some complexity in the underlying DB design (it does some unions). This view is updatable because we have created an "instead of" update trigger to update the correct table when a row is updated. This is working fine in SQL.
Next, we have created an ADF Entity object based upon the view, specifying an appropriate PK for the DB View. Then, we have created an updatable VO based upon the EO. All well and good so far. The issue we have is in trying to commit changes to the DB - because the ADF BC framework is trying to lock the row to update (using SELECT ... FOR UPDATE), it's not working because of ORA-02014 - cannot select FOR UPDATE from view with DISTINCT, GROUP BY, etc.
This leads me to thinking about overridding doSelect() on the EO as hinted here http://radio.weblogs.com/0118231/stories/2005/07/28/differenceBetweenViewObjectSelectAndEntityDoselectMethod.html
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Kind regards,
John

Hi John,
I have exactly the same issue as you experienced back in January. I have a complex data modelling requirement which requires the need to pivot rows into columns using ROW_NUMBER() and PARTITION clauses. To hide the complexity from the middle tier, I have created a database view and appropriate INSTEAD OF triggers and mapped my EO to the view. I have overriden the lock() method on the EO implementation class (to avoid ORA-02014) and would like to try the same solution you used with the pl/sql call to lock the record.
My question is, how did you manage the release of the lock if the transaction was not rolled back or committed by your application i.e. if the user closed the browser for instance.
In my naivity, I would like to think that the BC4J framework would release any locks for the database session when it found the servlet session to be terminated however my concern is that the lock would persist and cause complications.
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Returning newly created IDs from View with Instead Of

Hi All,
I have the following table:
CREATE TABLE TBLSIM_SUPPLIER_H
    "SS_ID" NUMBER(10,0) NOT NULL ENABLE,
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END IF;
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END;UTILITYPKG.formatted_guid returns a standard 36chr GUID
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CREATE OR REPLACE FORCE VIEW TBLSIM_SUPPLIER
AS
SELECT SS_ID,
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    SS_H_IS_ACTIVE,
    SS_H_RE_ID,
    SS_H_DATE
FROM TBLSIM_SUPPLIER_H
WHERE (ss_h_is_active = 1);on which I enabled the trigger
CREATE OR REPLACE TRIGGER TBLSIM_SUPPLIER_INS INSTEAD OF
INSERT ON TBLSIM_SUPPLIER FOR EACH ROW
    BEGIN
INSERT INTO TBLSIM_SUPPLIER_H (ss_name, ss_h_is_active, ss_h_re_id, ss_h_date)
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END TBLSIM_SUPPLIER_INS;I then have a stored Procedure
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    , ss_name_in IN tblsim_supplier.ss_name%TYPE
    , ss_id_out OUT tblsim_supplier.ss_id%TYPE
    , ss_guid_out OUT tblsim_supplier.ss_guid%TYPE
) AS
BEGIN
    INSERT INTO tblsim_supplier (
      , ss_name
      , ss_h_re_id
    VALUES (
      , ss_name_in
      , cur_tblresource_id_in
   RETURNING ss_id, ss_guid INTO ss_id_out, ss_guid_out;
END SimSupplier_Create; What happens is that the RETURNING clause is not available.
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Why do you need this instead of trigger? Can't you simply insert into the view? Maybe enable WITH CHECK OPTION to prevent wrong values beeing entered via the view. Or simply insert into the table and not the view. As long as it is done in the procedure, you are safe that there is no priviledge confict.
Edited by: Sven W. on Oct 17, 2012 5:38 PM

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911765 wrote:
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I can fill a table of objects from cursor with out select * bulk collect...., row by row
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But I can't fill a table of objects from cursor with select * bulk collect construction ...
declare
TYPE dept2_t IS TABLE of dept2_o;
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dept_o_tab.extend(20);
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How can I fill a table of objects from cursor with select * bulk collect???

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How to create ADF BC components like EO from "View with INSTEAD OF trigger

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