Introduction:
This document explains how to track the Material Master Data changes using change pointers in SAP R/3 environment.
The requirement is to track the Material Master changes in SAP R/3 environment and to send the information to some Legacy system (in form of AL11 Text file), if following fields changes –
Master data changes can be distributed with the SMD (Shared Master Data) tool. Changes to the Master Data are written in change documents interface, which in turn logs entries into change pointers.
The following step shows the change pointers settings and how to track the change logs for modified data.
Step 1 – Create Message Type (WE81)
Step 2: Assign Table Fields to Message type (BD52)
Assign table fields to message type which needs to be considered for Change pointers generation.
Step 3: Activate Change Pointers generally (BD61)
Step 4: Activate change pointers corresponding to fields in message type(BD50)
Also check if the data elements of all the required fields has ‘change Document’ field checked (Below screen shot for Material Number)
Step 5: Create a new Part Number and change following fields to test the generation of change logs in table CDHDR, CDPOS, BDCP and BDCPS.
Transaction - MM02 | Transaction - DGP3 |
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Step 6: Create a report which will perform following functions -
And from application server the file is transferred to legacy system using some UNIX Script (this is out of scope of this BOK)
In addition to above FM (change_pointers_Read) you can also see the logs in following Table –
IDOC Generation to send modified records –
In addition to above report you can also create a Function module and create an IDOC’s to send the modified data to legacy system-
Step1 – Create a Function module (e.g. ZTESTFM)
In this you can populate the IDOC segments and use the FM - MASTER IDOC_DISTRIBUTE to create and IDOC
Step2 – Assign Function module to Message Type (Transaction BD60)
Step 7: For the master data that are processed set the change pointer status to ‘Processed’ by setting its value to 'X' by calling function module CHANGE_POINTER_STATUS_WRITE.
Delete change pointers
Transaction is BD22 or the standard program RBDCPCLR deletes the obsolete/processed change pointers.
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