Calculating Lead time.... Help......

Question

We have two field in qals
QALS: Lot created     (ENSTEHDAT)
            Time                (ENTSTEZEIT)
Similarly we have two field in QAVE
QAVE: UD Code Date
            Time            (VEZEITERF)
I need to calculate the lead time
i.e.
Lead time = (Lot Created date & time - Date of UD & Time - Holidays as per factory calendar) / 24:00:00 hrs.
How to proceed????

Answer 1

hi Uttamagarwal,
Please check the below sample Code. You need to do declare the Appropriate Variable and ITAB.
"as NSTomar  said , First use the FM to get the Date and Time difference
call function 'SD_DATETIME_DIFFERENCE'
  exporting
    date1                  =  enstehdat  "Lots Created Date
    time1                  =  entstezeit " Lots Created Time
    date2                  =  vaedatum  " UD Change Date
    time2                  =  vezeitaen  " UD Change TIme
importing
   datediff               =  date_diff
   timediff               =  time_diff
*   EARLIEST               =
* EXCEPTIONS
*   INVALID_DATETIME       = 1
*   OTHERS                 = 2
if sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
endif.
* then Please use the below  FM To get the Number of Holidays
* between the Lots Created date and UD Changed date
call function 'HOLIDAY_GET'
EXPORTING
*   HOLIDAY_CALENDAR                 = ' '
   FACTORY_CALENDAR                 = fac_cal   " Pass the Factory calendar here 
   DATE_FROM                        =  enstehdat      " Lots Created Date
   DATE_TO                          =   vaedatum       " Ud Changed date
* IMPORTING
*   YEAR_OF_VALID_FROM               =
*   YEAR_OF_VALID_TO                 =
*   RETURNCODE                       =
  tables
    holidays                         = it_holidays
* EXCEPTIONS
*   FACTORY_CALENDAR_NOT_FOUND       = 1
*   HOLIDAY_CALENDAR_NOT_FOUND       = 2
*   DATE_HAS_INVALID_FORMAT          = 3
*   DATE_INCONSISTENCY               = 4
*   OTHERS                           = 5
if sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
endif.
"Check the Number of Entries in it_holidays which is equal to Number of Holidays
describe_table it_holidays lv_count.
if you want to find the date difference i.e., Lead Date
Lead date = date_diff + lv_count
if you want to find the time difference i.e., Lead Time
Lead Time = ( ( date_diff + lv_count ) * 24 ) +  time_diff
Edited by: Rob Burbank on Aug 5, 2010 9:26 AM