Unique constraint in the form of master detail error

Hi all

I need help, the following requirement.

I have a master detail form developed on master-child table. the tables have the composite key.

Old masters has a composite key on columns (A, B)

Children table has a composite key on columns (A, B, C)

Child block look something like below

C       A          B

10 AAA 1000

20 1300 BBB

30 CCC 1400

40 DDD 1200

Increments of column C with 10 for each record, and if a new record is insert in intermediaries the records it is incremented to 5.

My requirement is when an end user attempts to insert record between 20 and 30 or 30 and 40 and clicks on save, the value of the C column must regenerate as shown below

C       A          B

10 AAA 1000

20 1300 BBB

XXX 30 900

40 CCC 1400

50 DDD 1200

Button Save I wrote the following code

Declare
  ln_Count NUMBER :=0;
  ln_c number :=0
  cursor c1 is
  select c
  from child
  where a=:child.a
  and b=:child.b
Begin
  Go_Block('Child');
  First_Record;
  LOOP
  ln_Count:= ln_Count+10;
  :child.C := ln_Count;
  EXIT When :System.Last_Record = 'TRUE';
  Next_Record;
  END LOOP;


  For c_cur in c1 Loop
  update child
  set c:=ln_c+10
  where a=:child.a
  and b=:child.b 
  and c=c_cur.c
  end loop;
  Forms_DDL('commit');
     
     commit_prc('Commit');  -- We have our own program unit to call commit_form

END;

I tried above in a way because, before approving the changes to the table, I update the existing values in the table of the C column so I would not get unique constraint error.

When you click the button Save, I get a constraint exception. Hope I made my requirement clear.

Can someone give me a clue to this implementation.

Thank you

malandain

With this update, all your C-columnvalue became negative. When you post the form thereafter, forms update agaion records one by one the new positive figures. Because the numbers of 'old' in the db are now negative, there will be no violation-UK.

Tags: Oracle Development

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-1 - ORA-00001: unique constraint (APPLSYS.FND_STATS_HIST_U1) violated
Unable to correctly update the history table - fnd_stats_hist.
-1 - ORA-00001: unique constraint (APPLSYS.FND_STATS_HIST_U1) violated
Unable to correctly update the history table - fnd_stats_hist.
-1 - ORA-00001: unique constraint (APPLSYS.FND_STATS_HIST_U1) violated
Unable to correctly update the history table - fnd_stats_hist.
-1 - ORA-00001: unique constraint (APPLSYS.FND_STATS_HIST_U1) violated
Unable to correctly update the history table - fnd_stats_hist.
-1 - ORA-00001: unique constraint (APPLSYS.FND_STATS_HIST_U1) violated
Unable to correctly update the history table - fnd_stats_hist.
-1 - ORA-00001: unique constraint (APPLSYS.FND_STATS_HIST_U1) violated
    I went thru notes 470556.1 , but I have not applied patch 5876047 according to the note.

    I can truncate table FND_STATS_HIST? Is it safe to truncate this table?

    Thank you
    ARS

    Published by: user7640966 on January 2, 2011 23:58

    Hi Ars;

    If I suggest his prod, make sure you have a valid backup of your system and also raise sr and confirm with oracle support. If you are on the clone or test, such as mention of doc first to backup table FND_STATS_HIST (make sure that you have a valid backup), truncate and repeat the test question

    Respect of
    HELIOS

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