Standard function module inside a loop.

Hi Experts,
I am trying to improve performance program that has a standard abap function module inside a loop. I am some what lost on what to do here. Here below is what the code looks like as of now. I have read that i need to try and not use the function module at all be it is a very complicated function module. Any suggestions will be appreciated.
DATA: tl_retorno TYPE bapireturn1 OCCURS 0 WITH HEADER LINE. "Retorno
   DATA: wl_bukrs   LIKE acct_det_bf-comp_code,     "Empresa
         wl_process LIKE acct_det_bf-process,       "Chave
         wl_symko   LIKE hrpp_acct_det-symb_acct,   "Conta Simbólica
         wl_momag   LIKE hrpp_acct_det-eg_acct_det, "Agrupamento
         wl_razao   LIKE acct_det_bf-gl_account.    "Conta Razão
*-->                  <--*
   SORT tg_rubcr BY bukrs lgart.
   LOOP AT tg_rubcr.
     CLEAR: wl_bukrs, wl_process, wl_symko, wl_momag, wl_razao.
     wl_bukrs   = tg_rubcr-bukrs.
     wl_process = tg_rubcr-process.
     wl_symko   = tg_rubcr-symko.
     CLEAR tg_aux.
     IF tg_rubcr-u_momag IS INITIAL. "A rubrica necessita de agrupamento?
       CLEAR wl_momag.
* Busca Contas Razão sem Agrupamento de Empregados
       CALL FUNCTION 'HRPP_FI_ACCT_DET_HR'
         EXPORTING
           companycode              = wl_bukrs
           process                  = wl_process
           symb_acct                = wl_symko
           eg_acct_det              = wl_momag
           add_modif                = ' '
         IMPORTING
           gl_account_debit         = wl_razao
*         GL_ACCOUNT_CREDIT        =
*         POSTING_KEY_DEBIT        =
*         POSTING_KEY_CREDIT       =
*         ACCOUNT_TYPE             =
         TABLES
           return_tab               = tl_retorno.
       tg_rubcr-razao = wl_razao.
       tg_aux = tg_rubcr.
       APPEND tg_aux.
     ELSE. "Não necessita de agrupamento de empregado?
       LOOP AT tg_t52em. "Para todos os agrupamentos
         CLEAR tg_aux.
         CLEAR tl_retorno.
         REFRESH tl_retorno.
         CLEAR wl_momag.
         wl_momag = tg_t52em-momag.
* Busca Contas Razão com Agrupamento de Empregados
         CALL FUNCTION 'HRPP_FI_ACCT_DET_HR'
           EXPORTING
             companycode              = wl_bukrs
             process                  = wl_process
             symb_acct                = wl_symko
             eg_acct_det              = wl_momag
             add_modif                = ' '
           IMPORTING
             gl_account_debit         = wl_razao
*           GL_ACCOUNT_CREDIT        =
*           POSTING_KEY_DEBIT        =
*           POSTING_KEY_CREDIT       =
*           ACCOUNT_TYPE             =
           TABLES
             return_tab               = tl_retorno.
         tg_rubcr-razao = wl_razao.
         tg_aux = tg_rubcr.
         tg_aux-momag = tg_t52em-momag.
         APPEND tg_aux.
       ENDLOOP.
     ENDIF.
   ENDLOOP.
* Limpa tabela com rubricas e move todo o conteúdo da auxiliar
   REFRESH tg_rubcr.
   CLEAR tg_rubcr.
   tg_rubcr[] = tg_aux[].
ENDFORM.                    " busca_conta_razao

Hi Patrick,
If you do not want to use the function module then the other option that you can use is do selects from the tables that the FM 'HRPP_FI_ACCT_DET_HR' is using to get the importing "parameter gl_account_debit = wl_razao" outside the loop.
So steps will be:
Debug FM 'HRPP_FI_ACCT_DET_HR' to find out how it getting importing data using exporting parameters.
Then before the loop is called do a select for all entries on table tg_rubcr. And id muliple tables are used Read statements to populate a final table with gl_account_debit = wl_razao value.
Then use the final table to get this value inside the loop.
Please let me know if you need more details.

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I tried the same (No syntax error) BUT when i activate the zFunction Module it throws the error:-
+'' REPORT/PROGRAM statement missing, or program type is INCLUDE. " +

Yes, I got the Answer -
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""Local Interface:
*" EXPORTING
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Paint for me ..
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Edited by: Julius Bussche on Mar 18, 2009 1:17 PM

O Really thanks amit !!
Are you able to understand the below code and please provide your valuable inputs what we are understanding is the same.
PERFORM read_infotypes.
*-- ********************************************************** NMP
*-- IF scb frozen then write to itab-scb field. nmp 11/2001.
*-- ********************************************************** NMP
*--Begin of Change by vneld - 01/17/2007
* IF PA0001-ZZBERN NE SPACE.
*    FROZEN = PA0001-ZZBERN.
* ENDIF.
* ITAB-SCB = FROZEN.
*-- ********************************************************** NMP
*--end of Change by vneld- 01/17/2007
PERFORM get_date USING '92'
                   CHANGING w_hiredate.
PERFORM get_date USING '93'
                   CHANGING w_rehire.
PERFORM get_date USING '94'
                   CHANGING w_termdate.
IF NOT ( w_rehire IS INITIAL ).
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    itab-code = 'R'.
ELSE.
    itab-code = 'H'.
ENDIF.
IF p0001-persg = '3'.
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** We need HIRE,Rehire & term within 13 month`s window
** But if someone Hire in IT ,change dept and then terminated .
** We need to exclude that person from the list .
** We need to change his Org.Unit by END_DATE 12/31/9999 from Pa0001.
CLEAR:result_tab.REFRESH:result_tab.
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      ROOT_OTYPE     = 'O'
      ROOT_OBJID     = P0001-ORGEH
      BEGDA          = SY-DATUM
      ENDDA          = P0001-ENDDA
      PATH_ID        = EVPATH
      PATH_DEPTH     = 10
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      PATH_ERROR     = 1
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      OTHERS         = 3.
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*    EXPORTING = 'O'
*      act_objid       = PA0001-ORGEH
*      act_wegid       = EVPATH
*      act_plvar       = TYPE
*      act_tflag       = space
*      act_vflag       = space
*      authority_check = space
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*      result_tab      = result_tab
*    EXCEPTIONS
*      no_plvar_found = 1
*      no_entry_found = 2
*      OTHERS          = 3.
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* if somebody change the dept and get term within 13 monthu2019s .it
* Should show up in hire but not in term report .
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      EXIT.
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ENDLOOP.
if rec = 1.
*--begin of change by vneld- 01/17/07
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      OR
          ( w_termdate >= w_13th_mnth_date AND w_termdate <= sy-datum ) ).
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* ( W_TERMDATE(4) = SY-DATUM(4) AND W_TERMDATE <= SY-DATUM ) ).
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Edited by: saslove sap on Mar 19, 2009 7:45 AM

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http://72.14.235.104/search?q=cache:71IXBMWcX_8J:reflexcontracts.co.uk/SAP_R3_QUICK_REF.xlsupdatetable+tse05&hl=en&ct=clnk&cd=1&gl=in
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http://www.erpgenie.com/abap/functions.htm
http://www.sapdevelopment.co.uk/fmodules/fmssap.htm
http://www.erpgenie.com/abap/index.htm
http://www.geocities.com/victorav15/sapr3/abapfun.html
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Standard function modules

how to work with standard function modules

To work with standard function modules,
First Check the function module in se37 and also read the function module documentation if available
execute the function module.
u will get a screen.
You need to give some inputs in the output of the function module. say object-id as a input 4400000456.
Also check the import and export parameters which gets updated once u execute the function modules after feeding inputs to the function module.
actually in the example, 4400000456.
once u give the input. the corresponding internal tables related to that object-id get automatically thru the fM.
then u can retrieve the related information from the internal tables of function modules.
say Get the number of days for a particular month
in this function module my input is month and year.
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Standard function module inside a loop.

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