Is it possible to read a third ODS in update rules between two ODS?

Question

Hi,
       I have ODS1 and ODS2. I need to have data coming from ODS1 to ODS2. But there is a field "F" in ODS2 that doesnot exist in ODS1. I need to get this from a third ODS3. Is it possible to write a routine in the update rules for ODS2 to read the "F" from third ODS3 and return it in "ODS2"? If so how?
I appreciate if anybody can refer me to any documentation. Also my id is [email protected]
Thank you.

Answer 1

hi Visu,
yes, it's possible.
say the ods name is zods1, zods2, zods3, you can write a start routine update rules like following :
PROGRAM UPDATE_ROUTINE.
$$ begin of global - insert your declaration only below this line  -
TABLES: /bic/azods300
/bic/a[odsname]00 or /bi0/a[odsname] is the ods active table name /bi0 for business content, /bic for customize
DATA:  l_tabix like sy-tabix,
it_ods like /bic/azods300 occurs 0 with header line.
$$ begin of routine - insert your code only below this line        -
fill the internal tables "MONITOR" and/or "MONITOR_RECNO",
to make monitor entries
data : it_data_package like DATA_PACKAGE occurs 0 with header line.
select * from /bic/azods300
into table it_ods.
loop at data_package.
l_tabix = sy-tabix.
move-corresponding DATA_PACKAGE to it_data_package.
read it_ods with key [field name] = it_data_package-[fieldname]
if more key add it_data_package-[fieldname] - without AND
if sy-subrc = 0.
   it_data_package-F = it_ods-F.
   modify data_package from it_data_package index l_tabix.
endif.
endloop.
hope this helps.