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Summing in Oracle

Posted on 2005-04-14
Medium Priority
Last Modified: 2010-05-18
I have a form that is an invoice with lines some of which are taxable and some are nontaxable.  I
need to sum the lines and display the total of taxable lines and nontaxable lines.  Is there some way
to do this before committing the form to the database and then doing a query.  I would like this
to display on the screen for the user.
Question by:jeancwi
LVL 10

Expert Comment

ID: 13784585
oracle forms ?

Author Comment

ID: 13784593
Yes - Oracle forms.

Author Comment

ID: 13784602
Oracle forms 9.02
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LVL 11

Expert Comment

ID: 13788243
For this add one more field (invisible and non-db item) to your block. Say SAL_OLD(NUMBER TYPE). Now write this code in PRE-TEXT-ITEM

      :emp.old_sal := :emp.sal;

Also add WHEN-VALIDATE-ITEM and do this coding in this,

            if nvl(:emp.old_sal,0) <> nvl(:emp.sal,0) then
                  :ctrl.sum_sal := nvl(      :ctrl.sum_sal,0)
                        + nvl(:emp.sal,0)
                        - nvl(:emp.old_sal,0);
            end if;

Now you can see the changed (or values) of Salary field is added in the SUM_SAL filed in the control block.


Accepted Solution

Goracle earned 2000 total points
ID: 13800752
YOu can place  a formula item (may be hidden) but an a new column with your equation that
do calcs for taxable for the suitable lines
you may use user defined function to decide wether this line should have a tax or not and use it in the formula item

col1          col2           col3       ......      formula item
---------- ------------- --------- --------- ----------------
                                                              .                                                                   .
                                                           summary item

and then you add a summary item that sum the formula item
Just ask if you miss any thing

Good luck


Author Comment

ID: 13833300
Thanks - I didn't try to first approach as the second one seemed easier.

Thanks for both of you for the help

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