How to calculate Date and Days

Hi BW Experts,
I have requirement, I have field original GI Date and it is calculating based on 'Original promise date'-'Transport time'. Formula is 'Original GI Date' = 'Original promise date'-'Transport time'.
We are getting data for original promise date as Date format and Transport time as Days (ex: 1 or 2 days).
Here, how can I convert into Date or how can I calculate Date and Days. I am working on BW3.5 .
Please help me how can I overcome this requirement.
Points will be assign.
regards
Yedu.

Hi Ventatesh
It's not a problem
You can subtract days from date to get the resultant date
Original Promise time = GI Date - Transit time ( in days)
Add Original Promise Time in your data target and fill that up with the above rule.
If the above is not working you can use this function module
DATE_IN_FUTURE
Here you need to pass Date and Days to get future date. Only trick you need to apply that if the transit days is 5 days, you pass -5 to this function module.
But this function module is not available in BW system. Just copy the code from ECC system and create a Z FM for BW system
Regards
Anindya
Edited by: Anindya Bose on Feb 9, 2012 4:36 AM

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Convert to hirjih date using:
select
to_char(sysdate,'YYYY/MM/DD','NLS_CALENDAR=''English Hijrah''') hijrih_date
from dual;
You can replace sysdate with the date of your choice.
Also I wrote this for my last project:
/* get hirjih date */
FUNCTION get_hijrah_date(
p_date in date,
p_date_format in varchar2
) return varchar2
is
v_hijrah_date varchar2(500);
begin
select
to_char(p_date,p_date_format,'NLS_CALENDAR=''English Hijrah''')
into v_hijrah_date
from dual;
return v_hijrah_date;
end get_hijrah_date;
So you can have get_hijrah_date(sysdate,'DD-MON-YYYY') from dual;
(or any other date formate of your choice)
Edited by: igwe on Jan 30, 2013 8:07 AM

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