Function (ABAP) to select Max of the avaliable dates

Question

Hi,
Every Employee will have a health Insurance Policy which is valid for 6 six months.
From Source System i am getting
Employee and his policy Start date,Based on Policy Start Date in Transformations i am calculacting the Policy Expiry date (Policy Start date + 6 Months)(Ex:If Policy Start Date is 01/Nov/2007 then Exp date is 01/May/2008)
My report is to Show employees who doesn't had a valid policy on the day report executed (Sys Date)
For that i created a Customer Exit Variable on Policy Expiry Date
(If Policy Expiry date is < Sys Date)
IF i_step = 2.
CLEAR l_s_range.
l_s_range-low = sy-datum.
l_s_range-sign = 'I'.
l_s_range-opt = 'LT'.
APPEND l_s_range TO e_t_range.
ENDIF.
Problem:
Data in the cube
Employee--Policy Start date-Policy Expiry Date
1--01/01/2008-----30/06/2008
1--01/07/2007-----31/12/2007
1--01/01/2007-----30/06/2007
When i execute the report i should expect the Emp 1 shouldn't be displayed as he had valid policy which is going to expir in June 2008....but the above exit is displaying the below 2 records
Can i include any changes in the above exit that will select the Max Policy Expire date and then it will check with the Sys Date
Please update me on how to proceed
Thanks

Answer 1

Hello,
You can do this in couple of ways:
(1) Select <..> from <Table> into Itab ORDER BY expiry_date. Then read internal table to know the validity.
(2) Select <..> from <Table> into itab where expiry_date > SY-DATUM. You will get only unexpired records.
Thanks,
Venu