EXtraction through function module

Hello
I have craeted generic extractor which is using function module for pulling sales document data..
Here is the code
UNCTION ZRSAX_BIW_GET_DATA_SIMPLE.
""Local interface:
*" IMPORTING
*" VALUE(I_REQUNR) TYPE SRSC_S_IF_SIMPLE-REQUNR
*" VALUE(I_DSOURCE) TYPE SRSC_S_IF_SIMPLE-DSOURCE OPTIONAL
*" VALUE(I_MAXSIZE) TYPE SRSC_S_IF_SIMPLE-MAXSIZE OPTIONAL
*" VALUE(I_INITFLAG) TYPE SRSC_S_IF_SIMPLE-INITFLAG OPTIONAL
*" VALUE(I_READ_ONLY) TYPE SRSC_S_IF_SIMPLE-READONLY OPTIONAL
*" TABLES
*" I_T_SELECT TYPE SRSC_S_IF_SIMPLE-T_SELECT OPTIONAL
*" I_T_FIELDS TYPE SRSC_S_IF_SIMPLE-T_FIELDS OPTIONAL
*" E_T_DATA STRUCTURE ZBWPRICING OPTIONAL
*" EXCEPTIONS
*" NO_MORE_DATA
*" ERROR_PASSED_TO_MESS_HANDLER
Example: DataSource for table SFLIGHT
tables: vbak, vbap, konv.
Auxiliary Selection criteria structure
data: l_s_select type srsc_s_select.
Maximum number of lines for DB table
statics: s_s_if type srsc_s_if_simple,
 ls_s_if type srsc_s_if_simple,
counter
 s_counter_datapakid like sy-tabix,
cursor
 s_cursor type cursor.
Select ranges
ranges: l_r_vbeln for vbak-vbeln,
 l_r_erdat for vbak-erdat,
 l_r_kschl for konv-kschl,
 l_r_posnr for vbap-posnr.
break-point.
data:
gv_tabix type sytabix,
gs_order type gts_order,
gs_konv_hold type gts_konv,
gs_konv type gts_konv,
gt_konv type gtt_konv.
statics: gt_order type gtt_order.
Initialization mode (first call by SAPI) or data transfer mode
(following calls) ?
if i_initflag = sbiwa_c_flag_on.
Initialization: check input parameters
 buffer input parameters
 prepare data selection
Check DataSource validity
 case i_dsource.
 when 'ZPRICING'.
 when others.
 if 1 = 2. message e009(r3). endif.
this is a typical log call. Please write every error message like this
 log_write 'E' "message type
 'R3' "message class
 '009' "message number
 i_dsource "message variable 1
 ' '. "message variable 2
 raise error_passed_to_mess_handler.
 endcase.
 append lines of i_t_select to s_s_if-t_select.
Fill parameter buffer for data extraction calls
 s_s_if-requnr = i_requnr.
 s_s_if-dsource = i_dsource.
 s_s_if-maxsize = i_maxsize.
 clear: gt_order, gt_order[].
Fill field list table for an optimized select statement
(in case that there is no 1:1 relation between InfoSource fields
and database table fields this may be far from beeing trivial)
 append lines of i_t_fields to s_s_if-t_fields.
else. "Initialization mode or data extraction ?
Data transfer: First Call OPEN CURSOR + FETCH
 Following Calls FETCH only
First data package -> OPEN CURSOR
 if s_counter_datapakid = 0.
Fill range tables BW will only pass down simple selection criteria
of the type SIGN = 'I' and OPTION = 'EQ' or OPTION = 'BT'.
 loop at s_s_if-t_select into l_s_select where fieldnm = 'VBELN'.
 move-corresponding l_s_select to l_r_vbeln.
 append l_r_vbeln.
 endloop.
 loop at s_s_if-t_select into l_s_select where fieldnm = 'ERDAT'.
 move-corresponding l_s_select to l_r_erdat.
 append l_r_erdat.
 endloop.
 loop at s_s_if-t_select into l_s_select where fieldnm = 'POSNR'.
 move-corresponding l_s_select to l_r_posnr.
 append l_r_posnr.
 endloop.
loop at s_s_if-t_select into l_s_select where fieldnm = 'KSCHL'.
 move-corresponding l_s_select to l_r_KSCHL.
 append l_r_KSCHL.
 endloop.
Determine number of database records to be read per FETCH statement
from input parameter I_MAXSIZE. If there is a one to one relation
between DataSource table lines and database entries, this is trivial.
In other cases, it may be impossible and some estimated value has to
be determined.
 select avbeln bposnr aerdat aknumv aauart avkorg
 from vbak as a
 inner join vbap as b on bvbeln eq avbeln
 appending table gt_order
 where a~vbeln in l_r_vbeln and
 a~erdat in l_r_erdat and
 b~posnr in l_r_posnr.
Delete Extra fields.
 move: s_s_if-t_fields to ls_s_if-t_fields.
 delete ls_s_if-t_fields
 where fieldnm eq 'VBELN' or
 fieldnm eq 'POSNR' or
 fieldnm eq 'ERDAT' or
 fieldnm eq 'AUART' or
 fieldnm eq 'VKORG'.
 open cursor with hold s_cursor for
 select (ls_s_if-t_fields) from konv
 for all entries in gt_order
 where knumv eq gt_order-knumv and
 kposn eq gt_order-posnr. "jlm
 kposn eq gt_order-posnr and "jlm
 kschl in l_r_kschl. "jlm
 endif. "First data package ?
Fetch records into interface table.
named E_T_'Name of extract structure'.
 fetch next cursor s_cursor
 appending corresponding fields
 of table e_t_data
 package size s_s_if-maxsize.
 if sy-subrc <> 0.
 close cursor s_cursor.
 loop at e_t_data.
 move: sy-tabix to gv_tabix.
 read table gt_order into gs_order
 with key knumv = e_t_data-knumv
 posnr = e_t_data-kposn.
 check sy-subrc is initial.
 move: gs_order-vbeln to e_t_data-vbeln,
 gs_order-posnr to e_t_data-posnr,
 gs_order-erdat to e_t_data-erdat,
 gs_order-auart to e_t_data-auart,
 gs_order-vkorg to e_t_data-vkorg .
 modify e_t_data index gv_tabix.
 clear: gs_order, gv_tabix.
 endloop.
 raise no_more_data.
 endif.
 s_counter_datapakid = s_counter_datapakid + 1.
 loop at e_t_data.
 move: sy-tabix to gv_tabix.
 read table gt_order into gs_order
 with key knumv = e_t_data-knumv
 posnr = e_t_data-kposn.
 check sy-subrc is initial.
 move: gs_order-vbeln to e_t_data-vbeln,
 gs_order-posnr to e_t_data-posnr,
 gs_order-erdat to e_t_data-erdat ,
 gs_order-auart to e_t_data-auart,
 gs_order-vkorg to e_t_data-vkorg .
 modify e_t_data index gv_tabix.
 clear: gs_order, gv_tabix.
 endloop.
endif. "Initialization mode or data extraction ?
loop at e_t_data.
 move: sy-tabix to gv_tabix.
 read table gt_order into gs_order
 with key knumv = e_t_data-knumv
 posnr = e_t_data-kposn.
 check sy-subrc is initial.
 move: gs_order-vbeln to e_t_data-vbeln,
 gs_order-posnr to e_t_data-posnr,
 gs_order-erdat to e_t_data-erdat ,
 gs_order-auart to e_t_data-auart,
 gs_order-vkorg to e_t_data-vkorg .
 modify e_t_data index gv_tabix.
 clear: gs_order, gv_tabix.
endloop.
It works ok if I give selection ERDAT or KSCHL but when I enter ERDAT & KSCHL value it only filters data based on ERDAT.
I debugged but everything looks OK..
can anyone Pls tell me whats is missing here in above code
Thanks for help
Regards
Doug

Hi Nishu,
For this u have to write user exit in enhancement RSAP0001.
A sampe code for that is:
WHEN '2LIS_11_VAITM'.
    SELECT * FROM vbak INTO CORRESPONDING FIELDS OF TABLE c_t_data .
    TABLES : vbak.
*DATA : I_AUDAT LIKE VBAK-AUDAT,
      I_VBELN LIKE VBAK-VBELN occurs 0 with header line.
*DATA : I_EXT LIKE MC11VA0ITM OCCURS 0 WITH HEADER LINE.
    DATA : i_t_tab LIKE mc11va0itm OCCURS 0 WITH HEADER LINE.
    DATA: BEGIN OF it_vbak OCCURS 0,
               vbeln TYPE vbak-vbeln,
               audat TYPE vbak-audat,
               END OF it_vbak.
    i_t_tab[] = c_t_data[].
    BREAK-POINT.
    SELECT vbeln
           audat
           INTO TABLE it_vbak
           FROM vbak
           FOR ALL ENTRIES IN i_t_tab
           WHERE vbeln = i_t_tab-vbeln.
    LOOP AT i_t_tab.
      READ TABLE it_vbak WITH KEY
                           vbeln = i_t_tab-vbeln.
      IF sy-subrc = 0.
        i_t_tab-zzaudat      = it_vbak-audat.
        MODIFY i_t_tab.
        CLEAR : i_t_tab,it_vbak.
      ENDIF.
    ENDLOOP.
    c_t_data[] = i_t_tab[].
    REFRESH : i_t_tab,it_vbak.
I think u know where to write this.
Vinod.
Assign points if helpful.

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Hi,
Try these Links, helps u in getting an idea.
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/30aefb04-7043-2c10-8e92-941536eebc79?QuickLink=index&overridelayout=true
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/30f1a423-02ae-2e10-bd85-bde64e61fe7b?QuickLink=index&overridelayout=true&51947629650864
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Dear Karthik,
Go to transaction SBIW -> Generic Datasource -> Maintain Generic Datasources -> Choose Master/Transaction Data -> Maintain proper entries (Application Component, Descriptions) -> Extraction by FM if you want to extract using FM.
Maintaining Generic DataSources - Independently of application, you can create and maintain generic DataSources for transaction data, master data attributes or texts from any kinds of transparent tables, database views, InfoSets of the SAP query or using a function module. As a result, you can make use of the generic extraction of data.
Creating a Generic DataSource
       1.      Select the DataSource type and give it a technical name.
       2.      Choose Create. The creating a generic DataSource screen appears.
       3.      Choose an application component to which the DataSource is to be assigned.
       4.      Enter the descriptive texts. You can choose any text.
       5.      Choose from which datasets the generic DataSource is to be filled.
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After generation, you get a DataSource whose extract structure is congruent with the database view or the transparent table view.
For more information about creating and maintaining database views and tables, see the ABAP Dictionary Documentation.
                            b.      Choose Extraction from Query, if you want to use a SAP query InfoSet as the data source. Select the required InfoSet from the InfoSet catalog.
After generation, you now have a DataSource whose extract structure matches the InfoSet.
For more information about maintaining the InfoSet, see the System Administration documentation.
                            c.      Choose Extraction using FM, if you want to extract data using a function module. Enter the function module and extract structure.
The data must be transferred by the function module in an interface table E_T_DATA.
For information about the function library, see the ABAP Workbench: Tools documentation.
                            d.      With texts, you also have the option of extraction from domain fixed values.
Maintain the settings for delta transfer where appropriate.
       7.      Choose Save.
Note when extracting from a transparent table or view:
If the extract structure contains a key figure field, that references to a unit of measure or currency unit field, this unit field must appear in the same extract structure as the key figure field.
A screen appears in which you can edit the fields of the extract structure.
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When scheduling a data request in the BW Scheduler, you can enter the selection criteria for the data transfer. For example, you may want to determine that data requests are only to apply to data from the previous month.
If you set the Selection indicator for a field within the extract structure, the data for this field is transferred in correspondence with the selection criteria in the scheduler.
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9. Choose DataSource -> Generate.
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Also visit :[Data Extraction from SAP Source System | http://help.sap.com/saphelp_nw04/helpdata/en/28/4c553c42360a40e10000000a114084/content.htm]
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Hi BW Gurus,
I am new to SDN and also new to generic extraction using function module. My requirement is to extract long text(142 char) from CRM to BW as the text is not stored in database table I used function module read_text with in another ZXXX function module copy of (RSAX_BIW_GET_DATA_SIMPLE). In my extract structure I used GUID(char,32), Langu, long text(142 char) and 2 placeholders. Text can be extracted by passing STXH table fields(Tdname, Tdid, Tdobject, Tdspars) to read_text as parameters and i also need to use CRMD_ORDERADM_H field GUID(32 char) to compare 1st 32 chars of tdname(70 char) with Guid to select Guids and loop thru this Guids and for each Guid i need to append lines of text to e_t_data but as i donot know ABAP i unable to write the code for this. Through my friends help i wrote code when i check in RSA3 it is displaying the text but when i replicate into BW and load into data target in monitor the status is red with records initially but afterwards it will be red status again with 0 from 0 records for initial load again.when i check on job logs the errors i have are:
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MY Function Module is:
FUNCTION Z_CRMORDERH_STR_TXT.
""Local Interface:
*" IMPORTING
*" VALUE(I_REQUNR) TYPE SRSC_S_IF_SIMPLE-REQUNR
*" VALUE(I_DSOURCE) TYPE SRSC_S_IF_SIMPLE-DSOURCE OPTIONAL
*" VALUE(I_MAXSIZE) TYPE SRSC_S_IF_SIMPLE-MAXSIZE OPTIONAL
*" VALUE(I_INITFLAG) TYPE SRSC_S_IF_SIMPLE-INITFLAG OPTIONAL
*" VALUE(I_READ_ONLY) TYPE SRSC_S_IF_SIMPLE-READONLY OPTIONAL
*" VALUE(I_REMOTE_CALL) TYPE SBIWA_FLAG DEFAULT SBIWA_C_FLAG_OFF
*" TABLES
*" I_T_SELECT TYPE SRSC_S_IF_SIMPLE-T_SELECT OPTIONAL
*" I_T_FIELDS TYPE SRSC_S_IF_SIMPLE-T_FIELDS OPTIONAL
*" E_T_DATA STRUCTURE YCRM_TEXT_STR OPTIONAL
*" EXCEPTIONS
*" NO_MORE_DATA
*" ERROR_PASSED_TO_MESS_HANDLER
***" EXCEPTIONS NO_MORE_DATA
*" ERROR_PASSED_TO_MESS_HANDLER
Tables: CRMD_ORDERADM_H, STXH.
Auxiliary Selection criteria structure
data: l_s_select type srsc_s_select.
Maximum number of lines for DB table
Statics: s_s_if type srsc_s_if_simple,
counter
 s_counter_datapakid like sy-tabix,
Cursor
 s_cursor type cursor.
data: i_crmtext type standard table of TLINE .
types: begin of xsreph ,
 GUID type CRMD_ORDERADM_H-guid,
 end of xsreph.
 data: i_guid type standard table of xsreph.
data: I_TEXT type STXH-TDNAME.
data: xempl like YCRM_TEXT_STR occurs 0 with header line.
data: t_tab like dd03l-tabname.
Select ranges
ranges: l_r_guid for CRMD_ORDERADM_H-guid.
 l_r_connid for sflight-connid.
Initialization mode (first call by SAPI) or data transfer mode
(following calls) ?
if i_initflag = sbiwa_c_flag_on.
Initialization: check input parameters
 buffer input parameters
 prepare data selection
Check DataSource validity
 case i_dsource.
 when 'yCRM_TEXT'. " for S_SREPH1
 when others.
 if 1 = 2. message e009(r3). endif.
this is a typical log call. Please write every error message like this
 log_write 'E' "message type
 'R3' "message class
 '009' "message number
 i_dsource "message variable 1
 ' '. "message variable 2
 raise error_passed_to_mess_handler.
 endcase.
 append lines of i_t_select to s_s_if-t_select.
Fill parameter buffer for data extraction calls
 s_s_if-requnr = i_requnr.
 s_s_if-dsource = i_dsource.
 s_s_if-maxsize = i_maxsize.
Fill field list table for an optimized select statement
(in case that there is no 1:1 relation between InfoSource fields
and database table fields this may be far from beeing trivial)
 append lines of i_t_fields to s_s_if-t_fields.
we will do our selection based on what is in the p table for the
infoobject
else. "Initialization mode or data extraction ?
Data transfer: First Call OPEN CURSOR + FETCH
 Following Calls FETCH only
First data package -> OPEN CURSOR
 if s_counter_datapakid = 0.
Fill range tables BW will only pass down simple selection criteria
of the type SIGN = 'I' and OPTION = 'EQ' or OPTION = 'BT'.
 LOOP AT S_S_IF-T_SELECT INTO L_S_SELECT WHERE FIELDNM = 'GUID'.
 MOVE-CORRESPONDING L_S_SELECT TO L_R_GUID.
 APPEND L_R_GUID.
 ENDLOOP.
 case i_dsource.
 when 'YCRM_TEXT'. " for S_SREPH1
 t_tab = 'CRMD_ORDERADM_H'.
 endcase.
 select GUID
 from (t_tab)
 into table i_guid where PROCESS_TYPE = 'ZACI' and ( OBJECT_ID < '0000000042').
 select tdname from stxh into i_text where tdobject = 'TEXT'.
 if sy-subrc ne 0.
 message e009(r3).
this is a typical log call. Please write every error message like this
 log_write 'E' "message type
 'R3' "message class
 '009' "message number
 i_dsource "message variable 1
 'No master data found'. "message variable 2
 raise error_passed_to_mess_handler.
 endif.
Determine number of database records to be read per FETCH statement
from input parameter I_MAXSIZE. If there is a one to one relation
between DataSource table lines and database entries, this is trivial.
In other cases, it may be impossible and some estimated value has to
be determined.
 open cursor with hold s_cursor for
 select (s_s_if-t_fields) from CRMD_ORDERADM_H
 where GUID in L_R_GUID .
 ENDIF.
Fetch records into interface table.
named E_T_'Name of extract structure'.
 fetch next cursor s_cursor
 appending corresponding fields
 of table e_t_data
 package size s_s_if-maxsize.
 IF SY-SUBRC <> 0.
 CLOSE CURSOR S_CURSOR.
 RAISE NO_MORE_DATA.
 ENDIF.
as we are doing this only once can use the select statement.
***data: crmtext like tline occurs 0 with header line.
**data: i_crmtext type standard table of TLINE.
**data: i_guid type standard table of xsreph.
data: l_guid type THEAD-TDNAME.
data: st_guid type xsreph.
data: st_crmtext type TLINE.
data: lan type THEAD-TDSPRAS.
lan = 'E'.
loop at i_guid into st_guid.
l_guid = st_guid-guid.
CALL FUNCTION 'READ_TEXT'
 EXPORTING
 CLIENT = SY-MANDT
 ID = 'A002'
 LANGUAGE = lan
 NAME = l_guid
 OBJECT = 'CRM_ORDERH'
 ARCHIVE_HANDLE = 0
 LOCAL_CAT = ' '
IMPORTING
 HEADER =
 TABLES
 LINES = i_crmtext.
EXCEPTIONS
 ID = 1
 LANGUAGE = 2
 NAME = 3
 NOT_FOUND = 4
 OBJECT = 5
 REFERENCE_CHECK = 6
 WRONG_ACCESS_TO_ARCHIVE = 7
 OTHERS = 8
e_t_data-guid = l_guid.
loop at i_crmtext into st_crmtext.
move lan to e_t_data-langu.
move st_crmtext-tdline to e_t_data-description.
append e_t_data.
endif.
endloop.
clear: st_guid,l_guid.
refresh: i_crmtext.
endloop.
S_COUNTER_DATAPAKID = S_COUNTER_DATAPAKID + 1.
endif.
ENDFUNCTION.
please Gurus as I donot know ABAP i appreciate if anyone would write a FM based on requirement and send me that will be really great this is my request. I gurantee of award points for good answers.
Regards
Kishore

Hi,
The statement RAISE NO_MORE_DATA should be active (uncommented) in your code. Otherwise, the infinte loop occurs.
See also, the Siggi's blog:
/people/siegfried.szameitat/blog/2005/09/29/generic-extraction-via-function-module
BTW, was it your thread here:
Re: Urgent: problems in extracting Long Text
Best regards,
Eugene

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[email protected]
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Please search the forum before posting a thread
Edited by: Pravender on Aug 5, 2010 7:31 PM

Hi,
Plz find this doc.
http://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/a0f46157-e1c4-2910-27aa-e3f4a9c8df33.
And go this link...
http://www.sdn.sap.com/irj/scn/advancedsearch?query=genericextractionwithfunctionmadule
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Now I want to add one field "ZNEW" from standard SAP table LIKP into extractor "ZBI_EX" and write coding in ZXRSAU01.
Question, could I add new field "ZNEW" into Structure:"ZBI_EX"? Do I need to change anything in functional module "ZBI_FM_EX" itself?
Many Thanks!
rajatina.

Hi Dear,
It is good to write the code in your function module i.e. ZBI_FM_EX. becuase writing the code in ZXRSAU01 include program will affect the loading performance. instead of looping the data two time (one in your FM and again in ZXRSAU01 ), you can get the same will only loop.
Thanks
Obaid
Edited by: obaid shaikh on Jan 21, 2011 11:53 AM

How Procurement cost can be captured in product master through functional module?

Hi
I have following Queries
1) How Procurement cost can be captured in product master through functional module in SAP APO?
2) How we can transfer procurement cost to product master in SAP APO through BAPI?
Thanks
Poorna

Hi Poorna,
Could you please check FM /SAPAPO/DM_PRODUCTS_POST.
Table it_matloc of this FM can used to update Cost .

Binding Data through function module in adobe to display charts

Hello Gurus,
This is the requirement :-
Through function module output i have to display the chart.
For ex:-In sales order transaction there is a field called status.For every order there is status (open, complete, inprocess). Display the chart based on the order status that how many open, complete and inprocess are there.
Thanks,
Karan

post Adobe related questions to RIA forum at
User Interface Technology

Generic extraction using function module and view

hi every one ,
iam new to bw and can anyone plz tell me how to extract the data from R/3 to bw using generic extractor by creating function module and a view
thank u,
kishore

Hi Kishore,
Check this blog:
/people/siegfried.szameitat/blog/2005/09/29/generic-extraction-via-function-module
Also Check this doc:
http://help.sap.com/saphelp_nw04/helpdata/en/3f/548c9ec754ee4d90188a4f108e0121/frameset.htm
Generic Extractors
Generic data sources
Generic DS
Bye
Dinesh

Creating BW Function module to extract R3 Function module data.

Could you tell me how to create a BW Function Module to Extract data from R/3 Function module?.
Also, the BW function module needs to pass a date/time filter to R/3 function module basis which the R/3 function module passes the date/time restricted data to BW function module.
Thanks,
Gautam

You will have to create a function module in R/3 and then call the same in BW using the RFC call function option.
Please do not raise separate threads for each question - you have asked the same question in another post of yours..
bw extraction using function module
http://tinyurl.com/lwhtk8
this will give you an idea on how you can achieve this.

Generic Delta extraction by Function module issue

Hello Experts,
Please help !!!
I have problem for delta extraction by Function module. For the full load, I wrote function module based on RSAX_BIW_GET_DATA_SIMPLE. It works fine.
But I would like to have the delta load enabled. Therefore, I modified the datasource, add a delta specific field u2018ztimestampu2019, which type is calendar day.
Then I create a function module based on template u2018RSAX_BIW_GET_DATAu2019, as this support the upload mode. But when I test this datasource in RSA3, no matter itu2019s full load or initial delta load, it always send me an error, u201CErrors occurred during the extractionu201D.
I had some debug, and found that there is no value for i_isource when my function module is called. Therefore it raised the exception.
But I do not have the chance to debug my code for the delta logic, can somebody help to check?
I also check the entries in ROOSOURCE,
For my datasource ZTRNREC_FM_DELTA, The DELTA value is u2018AIEu2019, and extraction method is u2018F2u2019, should I change them to DELTA= u2018Du2019 and extraction method to u2018F1u2019? Where to change?
FUNCTION ZRSAX_TRAININGREC_DELTA.
""Local Interface:
*" IMPORTING
*" VALUE(I_REQUNR) TYPE SBIWA_S_INTERFACE-REQUNR
*" VALUE(I_ISOURCE) TYPE SBIWA_S_INTERFACE-ISOURCE OPTIONAL
*" VALUE(I_MAXSIZE) TYPE SBIWA_S_INTERFACE-MAXSIZE OPTIONAL
*" VALUE(I_INITFLAG) TYPE SBIWA_S_INTERFACE-INITFLAG OPTIONAL
*" VALUE(I_UPDMODE) TYPE SBIWA_S_INTERFACE-UPDMODE OPTIONAL
*" VALUE(I_DATAPAKID) TYPE SBIWA_S_INTERFACE-DATAPAKID OPTIONAL
*" VALUE(I_PRIVATE_MODE) OPTIONAL
*" VALUE(I_CALLMODE) LIKE ROARCHD200-CALLMODE OPTIONAL
*" VALUE(I_REMOTE_CALL) TYPE SBIWA_FLAG DEFAULT SBIWA_C_FLAG_OFF
*" TABLES
*" I_T_SELECT TYPE SBIWA_T_SELECT OPTIONAL
*" I_T_FIELDS TYPE SBIWA_T_FIELDS OPTIONAL
*" E_T_DATA STRUCTURE ZTRN_REC_TIME OPTIONAL
*" E_T_SOURCE_STRUCTURE_NAME OPTIONAL
*" EXCEPTIONS
*" NO_MORE_DATA
*" ERROR_PASSED_TO_MESS_HANDLER
The input parameter I_DATAPAKID is not supported yet !
Example: InfoSource containing TADIR objects
Auxiliary Selection criteria structure
DATA: l_s_select TYPE sbiwa_s_select.
Maximum number of lines for DB table
STATICS: l_maxsize TYPE sbiwa_s_interface-maxsize,
 S_S_IF TYPE SRSC_S_IF_SIMPLE,
 S_COUNTER_DATAPAKID LIKE SY-TABIX.
Parameter I_PRIVATE_MODE:
Some applications might want to use this function module for other
purposes as well (e.g. data supply for OLTP reporting tools). If the
processing logic has to be different in this case, use the optional
parameter I_PRIVATE_MODE (not supplied by BIW !) to distinguish
between BIW calls (I_PRIVATE_MODE = SPACE) and other calls
(I_PRIVATE_MODE = X).
If the message handling has to be different as well, define Your own
messaging macro which interprets parameter I_PRIVATE_MODE. When
called by BIW, it should use the LOG_WRITE macro, otherwise do what
You want.
Initialization mode (first call by SAPI) or data transfer mode
(following calls) ?
IF i_initflag = sbiwa_c_flag_on.
Initialization: check input parameters
 buffer input parameters
 prepare data selection
The input parameter I_DATAPAKID is not supported yet !
Invalid second initialization call -> error exit
 IF NOT g_flag_interface_initialized IS INITIAL.
 IF 1 = 2. MESSAGE e008(r3). ENDIF.
 log_write 'E' "message type
 'R3' "message class
 '008' "message number
 ' ' "message variable 1
 ' '. "message variable 2
 RAISE error_passed_to_mess_handler.
 ENDIF.
Check InfoSource validity
 CASE i_isource.
 WHEN 'ZTRNREC_FM_DELTA'.
 WHEN OTHERS.
 IF 1 = 2. MESSAGE e009(r3). ENDIF.
 log_write 'E' "message type
 'R3' "message class
 '009' "message number
 i_isource "message variable 1
 ' '. "message variable 2
 RAISE error_passed_to_mess_handler.
 ENDCASE.
Check for supported update mode
 CASE i_updmode.
 WHEN 'F'.
 WHEN 'D'.
 WHEN 'R'.
 WHEN OTHERS.
 IF 1 = 2. MESSAGE e011(r3). ENDIF.
 log_write 'E' "message type
 'R3' "message class
 '011' "message number
 i_updmode "message variable 1
 ' '. "message variable 2
 RAISE error_passed_to_mess_handler.
 ENDCASE.
Check for obligatory selection criteria
 APPEND LINES OF i_t_select TO g_t_select.
Fill parameter buffer for data extraction calls
 g_s_interface-requnr = i_requnr.
 g_s_interface-isource = i_isource.
 g_s_interface-maxsize = i_maxsize.
 g_s_interface-initflag = i_initflag.
 g_s_interface-updmode = i_updmode.
 g_s_interface-datapakid = i_datapakid.
 g_flag_interface_initialized = sbiwa_c_flag_on.
Fill field list table for an optimized select statement
(in case that there is no 1:1 relation between InfoSource fields
and database table fields this may be far from beeing trivial)
 APPEND LINES OF i_t_fields TO g_t_segfields.
ELSE. "Initialization mode or data extraction ?
Data transfer: First Call OPEN CURSOR + FETCH
 Following Calls FETCH only
LOOP AT G_T_SELECT INTO L_S_SELECT
 WHERE FIELDNM = 'ZTIMESTAMP'.
ENDLOOP.
 IF G_COUNTER_DATAPAKID = 0.
 IF L_S_SELECT-LOW = '' AND L_S_SELECT-HIGH = ''.
 OPEN CURSOR WITH HOLD G_CURSOR FOR
 SELECT (g_t_fields)
 FROM ZTRN_REC_TIME.
 ELSE.
 OPEN CURSOR WITH HOLD G_CURSOR FOR
 SELECT (g_t_fields)
 FROM ZTRN_REC_TIME
 WHERE ZTIMESTAMP >= L_S_SELECT-LOW
 AND ZTIMESTAMP <= L_S_SELECT-HIGH.
 ENDIF.
 ENDIF.
FETCH NEXT CURSOR G_CURSOR
 APPENDING CORRESPONDING FIELDS
 OF TABLE E_T_DATA
 PACKAGE SIZE S_S_IF-MAXSIZE.
 IF SY-SUBRC <> 0.
 CLOSE CURSOR G_CURSOR.
 RAISE NO_MORE_DATA.
 ENDIF.
 S_COUNTER_DATAPAKID = S_COUNTER_DATAPAKID + 1.
ENDIF.
ENDFUNCTION.
I found some similar issue in this forum by link
Generic Extractor Delta Function Module code, but still I could not get clear answer.
Can you please help me:
1) why there is no value for i_source , how to fix it?
2) For the delta logic for ztimestemp, is it correct?
3) Need I modify the entries in ROOSOURCE ?
Thanks a lot !!!

Hello Andre,
 Thanks a lot for your help. I did some change , but still does not work. Could you please help check.
Now the source code are the following, It's based on the RSAX_BIW_GET_DATA_SIMPLE, as you confirm that this also supply the update mode (full, initial delta, delta).
FUNCTION RSAX_BIW_GET_DATA_TRAININGREC1.
""Local Interface:
*" IMPORTING
*" VALUE(I_REQUNR) TYPE SRSC_S_IF_SIMPLE-REQUNR
*" VALUE(I_DSOURCE) TYPE SRSC_S_IF_SIMPLE-DSOURCE OPTIONAL
*" VALUE(I_MAXSIZE) TYPE SRSC_S_IF_SIMPLE-MAXSIZE OPTIONAL
*" VALUE(I_INITFLAG) TYPE SRSC_S_IF_SIMPLE-INITFLAG OPTIONAL
*" VALUE(I_READ_ONLY) TYPE SRSC_S_IF_SIMPLE-READONLY OPTIONAL
*" VALUE(I_REMOTE_CALL) TYPE SBIWA_FLAG DEFAULT SBIWA_C_FLAG_OFF
*" TABLES
*" I_T_SELECT TYPE SRSC_S_IF_SIMPLE-T_SELECT OPTIONAL
*" I_T_FIELDS TYPE SRSC_S_IF_SIMPLE-T_FIELDS OPTIONAL
*" E_T_DATA STRUCTURE ZTRN_REC_TIME OPTIONAL
*" EXCEPTIONS
*" NO_MORE_DATA
*" ERROR_PASSED_TO_MESS_HANDLER
Auxiliary Selection criteria structure
DATA: L_S_SELECT TYPE SRSC_S_SELECT.
Maximum number of lines for DB table
STATICS: S_S_IF TYPE SRSC_S_IF_SIMPLE,
counter
 S_COUNTER_DATAPAKID LIKE SY-TABIX,
cursor
 S_CURSOR TYPE CURSOR.
Select ranges
RANGES:
 L_R_ZTIMESTAMP FOR ZTRN_REC_TIME-ZTIMESTAMP.
Initialization mode (first call by SAPI) or data transfer mode
(following calls) ?
IF I_INITFLAG = SBIWA_C_FLAG_ON.
Initialization: check input parameters
 buffer input parameters
 prepare data selection
Check DataSource validity
 CASE I_DSOURCE.
 WHEN 'ZTRNREC_FM'.
 WHEN OTHERS.
 IF 1 = 2. MESSAGE E009(R3). ENDIF.
this is a typical log call. Please write every error message like this
 LOG_WRITE 'E' "message type
 'R3' "message class
 '009' "message number
 I_DSOURCE "message variable 1
 ' '. "message variable 2
 RAISE ERROR_PASSED_TO_MESS_HANDLER.
 ENDCASE.
 APPEND LINES OF I_T_SELECT TO S_S_IF-T_SELECT.
Fill parameter buffer for data extraction calls
 S_S_IF-REQUNR = I_REQUNR.
 S_S_IF-DSOURCE = I_DSOURCE.
 S_S_IF-MAXSIZE = I_MAXSIZE.
Fill field list table for an optimized select statement
(in case that there is no 1:1 relation between InfoSource fields
and database table fields this may be far from beeing trivial)
 APPEND LINES OF I_T_FIELDS TO S_S_IF-T_FIELDS.
ELSE. "Initialization mode or data extraction ?
Data transfer: First Call OPEN CURSOR + FETCH
 Following Calls FETCH only
First data package -> OPEN CURSOR
 IF S_COUNTER_DATAPAKID = 0.
 LOOP AT S_S_IF-T_SELECT INTO L_S_SELECT WHERE FIELDNM = 'ZTIMESTAMP'.
 MOVE-CORRESPONDING L_S_SELECT TO L_R_ZTIMESTAMP.
 APPEND L_R_ZTIMESTAMP.
 ENDLOOP.
Determine number of database records to be read per FETCH statement
from input parameter I_MAXSIZE. If there is a one to one relation
between DataSource table lines and database entries, this is trivial.
In other cases, it may be impossible and some estimated value has to
be determined.
 IF L_S_SELECT-LOW = '' AND L_S_SELECT-HIGH = ''.
 OPEN CURSOR WITH HOLD S_CURSOR FOR
 SELECT (S_S_IF-T_FIELDS)
 FROM ZTRN_REC_TIME.
 ELSE.
 OPEN CURSOR WITH HOLD G_CURSOR FOR
 SELECT (S_S_IF-T_FIELDS)
 FROM ZTRN_REC_TIME
 WHERE ZTIMESTAMP >= L_S_SELECT-LOW
 AND ZTIMESTAMP <= L_S_SELECT-HIGH.
 ENDIF.
 ENDIF. "First data package ?
Fetch records into interface table.
named E_T_'Name of extract structure'.
 FETCH NEXT CURSOR S_CURSOR
 APPENDING CORRESPONDING FIELDS
 OF TABLE E_T_DATA
 PACKAGE SIZE S_S_IF-MAXSIZE.
 IF SY-SUBRC <> 0.
 CLOSE CURSOR S_CURSOR.
 RAISE NO_MORE_DATA.
 ENDIF.
 S_COUNTER_DATAPAKID = S_COUNTER_DATAPAKID + 1.
ENDIF. "Initialization mode or data extraction ?
ENDFUNCTION.
I think it already includes the important statements you suggested.
I test this FM in RSA3, for the Full load mode, it works fine. Also if I checked the debug mode in execution , it will stop in the code and let me debug.
But when I choose other mode, like 'initializion of the delta transfer' or simulation of initial delta, I always get error 'error occurs during the extraction' .. even I choose debug mode, but it could not enter the code for debug..
Till now I did not see any parameter or value for the upload mode..
Another questions is that, in RSO2, I define Ztimestamp as my delta field.. But , can I add other field as selection condition in the datasource definition, and has its range table in this function module ?
Should I change the entries in ROOSOURCE for this datasource ??
Please let me know your feedback, do you have some concret example for generic delta extraction ?
Thanks a lot !

Exporting Custom table through function module

How can i Export Custom table through function module. when we add some table in the function module table tab it asks for a ref. table which is some table in database .. but i want to add some custom table with some user defined column names..how can i do this
n plz tell me how to loop thru select options
i have to loop thru select option and assign all the values to a variable.
plz help me out
Message was edited by:
Karan Chopra

Hi Karan,
Do one thing, Just in the tables tab give the name of the table and don't write anything else. no TYPE and no ANY.
Hope it will resolve issue.
reward points if useful.
Regards,
Atish

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