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how pass all parameter [message #629504]

Wed, 10 December 2014 01:07

kilimanjaro
Messages: 151
Registered: May 2009
Location: Tanzania

Senior Member

Hello friends

I have a report which users enters employee number then it runs OK.
My problem is I want the same report to have an option of All (*) if the user want the report of all employees. Thank you.

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Re: how pass all parameter [message #629507 is a reply to message #629504]

Wed, 10 December 2014 01:19

Littlefoot
Messages: 21823
Registered: June 2005
Location: Croatia, Europe

Senior Member
Account Moderator

Let's suppose that parameter name is PAR_EMPNO. The easiest option is to leave it empty if you want to return all employees, because WHERE clause looks like this:

where ...
  and (e.empno = :par_empno or :par_empno is null)

If you pass "All (*)" (or anything like that), you have to write some code which will return what you want (and that is, generally speaking, more complex than passing nothing). You could use AFTER PARAMETER FORM trigger and check

if :par_empno = 'All (*)' then 
   :par_empno = null;
end if;

and still use the same WHERE clause I suggested earlier.

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Re: how pass all parameter [message #629513 is a reply to message #629507]

Wed, 10 December 2014 03:56

kilimanjaro
Messages: 151
Registered: May 2009
Location: Tanzania

Senior Member

Hello Littlefoot

Thank you very much .It has worked .Thank you.

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