Data in generic datasouce can't be transferred to BW

Question

hi everyone,
I've created a generic master data datasource in R3 on  the base of a view.
I've also appended a field to the extract structure and fill the field wih data in EXIT_SAPLRSAP_002(INCLUDE ZXRSAU02).
While running RSA3, I can find that the appended field in I_T_DATA is filled. But after I excuted an infopackage in the BW side, the appended field was not filled with data while others were.
Codes in EXIT_SAPLRSAP_002 as following, can anyone find out the reason?
  WHEN 'Z1DS_PCSX' .
  DATA :  LS_Z1DS_PCSX TYPE ZOXR3D0153,
           L_ZZGG type STRING.
   LOOP AT I_T_DATA INTO LS_Z1DS_PCSX.
      l_tabix = sy-tabix.
     CALL FUNCTION 'Z_GET_BATCH_ATTRIBUTE'
       EXPORTING
        MATNR = LS_Z1DS_PCSX-MATNR
        WERKS = LS_Z1DS_PCSX-WERKS
        CHARGE = LS_Z1DS_PCSX-CHARG
       IMPORTING
        CHAR_OUT = L_ZZGG .
     LS_Z1DS_PCSX-ZZGG = L_ZZGG .
     MODIFY I_T_DATA FROM LS_Z1DS_PCSX INDEX l_tabix.
    ENDLOOP.

Answer 1

Please check sample code here
have enhanced the 0MAT_PLANT_ATTR datasource from MBEW and RESB tables. While i scheduling the master data for full load it is taking to every long time.
****************************START OF CODE***************
tables: MBEW, RESB, MARA.
data: l_s_ZEXTSTR_PLT like BIW_MARC_S.
data: l_t_ZEXTSTR_PLT like table of BIW_MARC_S.
data: l_t_mara like table of mara with header line.
data: l_t_mbew like table of mbew with header line.
data: l_t_resb like table of resb with header line.
l_t_ZEXTSTR_PLT[] = i_t_data[].
select matnr
werks
verpr
peinh
lbkum
salk3
from mbew
into corresponfing fields of table l_t_mbew
for all entries in l_t_ZEXTSTR_PLT
where matnr = l_t_ZEXTSTR_PLT-matnr
and bwkey = l_t_ZEXTSTR_PLT-werks.
sort l_t_mbew by matnr bwkey.
select matnr
meins
from mara
into corresponfing fields of table l_t_mara
for all entries in l_t_ZEXTSTR_PLT
where matnr = l_t_ZEXTSTR_PLT-matnr.
sort l_t_mara by matnr.
select werks
waers
from resb
into corresponfing fields of table l_t_resb
for all entries in l_t_ZEXTSTR_PLT
where werks = l_t_ZEXTSTR_PLT-werks.
sort l_t_resb by werks.
loop at l_t_ZEXTSTR_PLT into l_s_ZEXTSTR_PLT.
l_tabix = sy-tabix.
read table l_t_mbew with key
matnr = l_s_ZEXTSTR_PLT-matnr
bwkey = l_s_ZEXTSTR_PLT-werks
BINARY SEARCH.
if sy-subrc = 0.
l_s_ZEXTSTR_PLT-verpr = l_t_mbew-verpr.
l_s_ZEXTSTR_PLT-peinh = l_t_mbew-peinh.
l_s_ZEXTSTR_PLT-lbkum = l_t_mbew-lbkum.
l_s_ZEXTSTR_PLT-salk3 = l_t_mbew-salk3.
endif.
read table l_t_mara with key
matnr = l_s_ZEXTSTR_PLT-matnr
BINARY SEARCH.
if sy-subrc = 0.
l_s_ZEXTSTR_PLT-meins = l_t_mara-meins.
endif.
read table l_t_resb with key
werks = l_s_ZEXTSTR_PLT-werks
BINARY SEARCH.
if sy-subrc = 0.
l_s_ZEXTSTR_PLT-zzwaers = l_t_resb-zzwaers.
endif.
modify l_t_ZEXTSTR_PLT from l_s_ZEXTSTR_PLT index l_tabix.
endloop.
refresh i_t_data.
i_t_data[] = l_t_ZEXTSTR_PLT[].