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hadi_jafari
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Introduction


It could be cumbersome for BW developers while trying to find appropriate InfoObjects to use in InfoProviders. BW developers often ask themselves if there are any standard InfoObjects that they can use for mapping with SAP ERP fields and therefore, use in the InfoProviders such as DSO.

In this blog post, I'm going to teach a way to find the mappings of SAP ERP fields with SAP BW/4HANA InfoObjects. The process I will talk about works also on SAP BW classic (3.X and 7.x).

At the end of this blog post, you'll know how to find the standard InfoObject (if there are any) mappped with a SAP field and use in your InfoProvider.

 

Solution


In SAP BW classic versions, it was easier to find the right mapping for ERP fields, thanks to tables such as:

  • Table RSTRFIELDSH (Shadow table: Transfer Structure Fields)

  • Table RSOSFIELDMAP (Mapping Between OLTP Source Fields and InfoObjects)

  • Table RSTSFIELD (Transfer structure fields)


Since these tables don't exist anymore in SAP BW/4HANA, I started thinking about utilizing the assignment rules in BI Content Transformations. These help us to find out what InfoObjects are used to be mapped with the source fields in the standard transformations.

I created a Program named ZMAP_FIELD_INFOOBJECT for this purpose. Create the same in your SAP BW/4HANA system. I suggest that you execute this program once in background and insert the output in a table for easier and faster access.

Based on the output of my Program, I designed a helper report. You can do the same for yourself or write your email for me in comments, if you want me to send this excel report to you.
To explain how this report works, I’m giving you an example. Let’s take MATNR for instance. Here, we see that the InfoObject 0MATERIAL is used 119 times in transformation rules to be mapped with MATNR.


 

Source of Program:
*&---------------------------------------------------------------------*
*& Report ZMAP_FIELD_INFOOBJECT
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
REPORT ZMAP_FIELD_INFOOBJECT.

TABLES: RSTRAN, RSTRANRULE, RSTRANFIELD.

TYPES: BEGIN OF ST_RESULT,
ZFIELDNM TYPE RSFIELDNM,
ZIOBJNM TYPE RSIOBJNM,
SOURCETYPE TYPE RSO_TLOGO_SUBTYPE,
SOURCENAME TYPE SOBJ_NAME,
TARGETTYPE TYPE RSTLOGO,
TARGETNAME TYPE SOBJ_NAME,
TRANID TYPE RSTRANID,
OBJVERS TYPE RSOBJVERS,
RULEID TYPE RSTRAN_RULEID,
SEQNR TYPE RSTRAN_SEQNR,
GROUPID TYPE RSTRAN_GROUPID,
GROUPTYPE TYPE RSTRAN_GROUPTYPE,
RULETYPE TYPE RSTRAN_RULETYPE,
SEGID TYPE RSTRAN_SEGID,
STEPID TYPE RSTRAN_STEPID,
PARAMTYPE TYPE RSTRAN_PARAMTYPE,
PARAMNM TYPE RSFIELDNM,
FIELDTYPE TYPE RSTRAN_FIELDTYPE,
RULEPOSIT TYPE RSPOSIT,
ZSOURCE_POSIT TYPE RSPOSIT,
ZTARGET_POSIT TYPE RSPOSIT,
END OF ST_RESULT.

DATA: WA_RESULT TYPE ST_RESULT,
WA_RESULT1 TYPE ST_RESULT,
WA_RESULT2 TYPE ST_RESULT,
IT_RESULT TYPE TABLE OF ST_RESULT,
IT_RESULT1 TYPE TABLE OF ST_RESULT,
IT_RESULT2 TYPE TABLE OF ST_RESULT,
LV_COUNT TYPE I,
GR_TABLE TYPE REF TO CL_SALV_TABLE.

SELECT-OPTIONS: P_FIELD FOR RSTRANFIELD-FIELDNM.


SELECT RSTRAN~TRANID
RSTRAN~OBJVERS
RSTRAN~SOURCETYPE
RSTRAN~SOURCENAME
RSTRAN~TARGETTYPE
RSTRAN~TARGETNAME
RSTRANRULE~RULEID
RSTRANRULE~SEQNR
RSTRANRULE~GROUPID
RSTRANRULE~GROUPTYPE
RSTRANRULE~RULETYPE
RSTRANFIELD~SEGID
RSTRANFIELD~STEPID
RSTRANFIELD~PARAMTYPE "0=Importing - 1=Exporting
RSTRANFIELD~PARAMNM
RSTRANFIELD~FIELDTYPE "F=Field - I=InfoObject
RSTRANFIELD~RULEPOSIT
INTO CORRESPONDING FIELDS OF TABLE IT_RESULT1
FROM RSTRAN
INNER JOIN RSTRANRULE ON RSTRAN~TRANID = RSTRANRULE~TRANID
AND RSTRAN~OBJVERS = RSTRANRULE~OBJVERS
INNER JOIN RSTRANFIELD ON RSTRANRULE~TRANID = RSTRANFIELD~TRANID
AND RSTRANRULE~OBJVERS = RSTRANFIELD~OBJVERS
AND RSTRANRULE~RULEID = RSTRANFIELD~RULEID
WHERE RSTRAN~OBJVERS = 'D' "Content
AND RSTRAN~SOURCETYPE = 'RSDS' "DataSource
AND RSTRANRULE~RULETYPE IN ('DIRECT' , 'TIME').


APPEND LINES OF IT_RESULT1 TO IT_RESULT.
DELETE IT_RESULT WHERE PARAMNM NOT IN P_FIELD.
DELETE IT_RESULT WHERE PARAMTYPE NE 0
AND FIELDTYPE NE 'F'.
SORT IT_RESULT BY TRANID RULEID.


CLEAR: WA_RESULT.
LOOP AT IT_RESULT INTO WA_RESULT.
WA_RESULT-ZSOURCE_POSIT = WA_RESULT-RULEPOSIT.
WA_RESULT-ZFIELDNM = WA_RESULT-PARAMNM.

CLEAR: WA_RESULT1, LV_COUNT, IT_RESULT2.
LOOP AT IT_RESULT1 INTO WA_RESULT1 WHERE TRANID = WA_RESULT-TRANID
AND RULEID = WA_RESULT-RULEID
AND PARAMTYPE = 1
AND FIELDTYPE = 'I'.
APPEND WA_RESULT1 TO IT_RESULT2.
ENDLOOP.

IF SY-SUBRC NE 0.
ENDIF.

DESCRIBE TABLE IT_RESULT2 LINES LV_COUNT.
IF LV_COUNT = 1.
WA_RESULT-ZTARGET_POSIT = WA_RESULT1-RULEPOSIT.
WA_RESULT-ZIOBJNM = WA_RESULT1-PARAMNM.
ENDIF.

MODIFY IT_RESULT FROM WA_RESULT.
ENDLOOP.

DELETE IT_RESULT WHERE ZIOBJNM IS INITIAL.
SORT IT_RESULT BY ZFIELDNM ZIOBJNM SOURCETYPE TARGETTYPE SOURCENAME TARGETNAME.


CALL METHOD CL_SALV_TABLE=>FACTORY
IMPORTING
R_SALV_TABLE = GR_TABLE
CHANGING
T_TABLE = IT_RESULT.

CALL METHOD GR_TABLE->DISPLAY.

 

Conclusion


Now, the Program ZMAP_FIELD_INFOOBJECT is at your service to help you find out which InfoObjects are mapped to SAP ERP fields in BI Content Transformations. So creation of InfoProviders gets faster by knowing what InfoObjects to include in the structure.

I hope that you find this post helpful. I'd appreciate if you share your feedback or thought in a comment.

 

Best regards,

Hadi

 
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