Change document and triggering workflow

Hi,
There's a z-table in ERP. The requirement is to send a notification to the Java server whenever there is a change in the data content of this table.
Can anyone describe the steps to be followed.
Thank you.

Hi Pavan, Sharath,
Now that I understand the concept of change documents, I have doubts about it's utility. I mean I did not find it to be a very good feature. The reason I say that is that one has to code for everything. It becomes the developer's responsibility to get the old record and the new record and pass these to the WRITE_CHANGE_DOCUMENT function. In addition, the developer also has to pass an indicator representing what kind of change is it - insert, update, delete.
The only utility I see is when you have maintain an archive of the changes that happened in a table's content over a long period. In that case, you could refer to the CDHDR and CDPOS tables and find out what change occurred on which date.
Your comments would reinforce my understanding of the concept.
Thank you.

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Change documents and Pointers

Hi Gurus,
Would anyone explain briefly about the Change documents and Change Pointers..as I am new to this concept if anyone can explain in more detail or send me documents that would be great and also I will def. reward points..please send me the docs to [email protected]
I gurantee that I will reward points...
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Baba.

Hi Baba,
A Change Document is an object that contains a log of all the changes that were made on a specific business object (like a product or a business partner), so you will always be able to identify what was changed, when it was changed and who changed it.
Change pointers instead are used in a different context that is the distribution of master data changes to different system. When in the source system an object (material) is changed (e.g. change of the description) if change pointers are activated, the material is flagged as "changed" and using change pointers the material update will be sent to all the system that are configured to my sinchronized with master data. This is not for tracing like change document but for master data distribution
You can find more details on help.sap.com:
- <a href="http://help.sap.com/saphelp_erp2005vp/helpdata/en/2a/fa015b493111d182b70000e829fbfe/frameset.htm">Change Documents</a>
- <a href="http://help.sap.com/saphelp_erp2005vp/helpdata/en/12/83e03c19758e71e10000000a114084/frameset.htm">Change Pointers</a>
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Creation of change document to trigger workflow.

Hi,
I need to trigger a workflow when there is a change in the PO line item (EKPO). For this, I can use the standard change object EINKBELEG, but this only bears the purchasing document number as the key. hence when ever a change event is triggered in the custom BO, the key is just the PO#. This should be not the case.
The key field should be a combination of the purchasing document number and the line item number, hence I created a custom change object ZEINKBELEG refering to EKPO and generated it too. The steps in SCDO, SWED, SWEC has already been handled. But the custom event in the business object does not get triggered. I need some help regarding this.
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Thanks,
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Guidelines on Change documents and Status Management

Hi Friends,
 I am not sure whether this is the right question or not but I am in desprate need of it.
 The thing I find my self no where sometimes when I think of working on Chagne documents and Status management. I have been into WF for about 2 years. but never got a BEST chance to work on complicate workflows.
 Can anyone give me some ways or links where I can find clear difference between change docs and status mngt and how to work on those ?
 I did search in blogs but didnt find much. so posting a new thread. sorry for the inconvenience.
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Hi Reddy ,
Go through these links.
the Tcode for Change document is swec,
http://help.sap.com/saphelp_47x200/helpdata/en/c5/e4aee2453d11d189430000e829fbbd/frameset.htm
http://help.sap.com/saphelp_47x200/helpdata/en/8c/1923d1932b11d2a5ea0060087a79ea/frameset.htm
http://help.sap.com/saphelp_erp2004/helpdata/en/db/7a2a40ce93185de10000000a1550b0/content.htm
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No change document and no user exit is found   for CK11N tcode

Dear All,
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But there is a business object for this transaction :BUS2044 which has no event .
As there is no event in the business object and there is no change document also so how i will trigger this business object for CK11 transaction.
I serached for user exits also but i dint find any.
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Message was edited by:
        sarmistha das

If there is no event it is difficult to trigger an event. So in any case you have to create your own subtype of BUS2044 and define the event you want to create.
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Event from Change document not triggerring

Hi
I've used chnage document FMRESERV to track change in table KBLP-DELTAWTAPP for any value change, but although I'm chnaging amount from FMX2, the event for this chanhe document is not triggerring. Can you please help me how to resolv the issue.

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Does this help?

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Created an Attribute 'Material' type mara-matnr and checked 'Key Attribute'.
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Constructor with parameter 'Material' *
METHOD constructor.
me->m_por-catid = 'CL'.
me->m_por-typeid = 'ZMM_WF_MATTEC'.
me->m_por-instid = me->material.
ENDMETHOD.
Find_by_lpor with parameters LPOR and RESULT (default params) *
METHOD bi_persistent~find_by_lpor.
DATA: p_material TYPE matnr.
MOVE lpor-instid TO p_material.
TRY.
      CREATE OBJECT result
        TYPE
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        EXPORTING
          material      = p_material.
    CATCH cx_bo_error .
      EXIT.
ENDTRY.
LPOR with parameter RESULT (default param) *
method BI_PERSISTENT~LPOR.
result = me->m_por.
endmethod.
ENDMETHOD.
Custom method MAT_CHANGED with parameter 'Material' * (not coded yet)
This is the task being triggered by the Change Documents *
METHOD mat_changed.
ENDMETHOD.
Edited by: Kenneth Moore on Nov 4, 2008 11:00 AM

Change documents optimization Business Partners and Products

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swathi.rege wrote:
2. In OPL8 under implementation tab, there is something called status change documents. do I need to configure OCM to use these change documents? if the answer is no, then what is the difference between these change documents and OCM change
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Hi All,
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Hi all,
I am no beginner and I don't expect any comments from beginners.
Situation: My customer wants to replace the material valuation transactions MRN1 MRN2 MRN3 due to bad performance and locking problems with own developed programs.
The valuation results will be stored in a customer Z-Table on a monthly base. For auditing and transparency purposes, this Z-table has to get a change object and the update routines will have to write change documents.
Due to the expected size of the new Z-table, it is not advisable to simply switsch on table logging.
In this huge project (and in none I participated!) nobody ever implemented the change document process for a Z-table. BUT EVERYBODY CAN TELL YOU THI IS NO PROBLEM AT ALL.
I read some documentation at SAP and serached for threads or blogs here. I could not find anything desribing that in depth.
So before I start, I'd be happy to get some hints from people who created own change documents and implemented the process. Links to documentation and other helpful pages are also welcome.
If I can keep the process simple, I'd like to create a BLOG on this - because I think, in the future it will get more and more difficult to pass the auditing process with undocumented features and uncontrolled table changes.
TIA.
Regards,
Clemens

Hi,
Please check this thread.
http://www.sapdevelopment.co.uk/tips/changedoc/cd_createch.htm
Once you create your change document object using generate update pgm option then please check the WRITE document fm.
I have done this long back i am updating CDHDR and CDPOS for 2 table YATT and YATTPLANTS. Here YATT have single record (header table) and YATTPLANTS have multiple records (item table)
function yatt_write_document .
call function 'CHANGEDOCUMENT_OPEN'
 exporting
 objectclass = 'YATT '
 objectid = objectid
 planned_change_number = planned_change_number
 planned_or_real_changes = planned_or_real_changes
 exceptions
 sequence_invalid = 1
 others = 2.
case sy-subrc.
 when 0. "ok.
 when 1. message a600 with 'SEQUENCE INVALID'.
 when 2. message a600 with 'OPEN ERROR'.
endcase.
if upd_yctc ne space.
 call function 'CHANGEDOCUMENT_SINGLE_CASE'
 exporting
 tablename = 'YATT '
 workarea_old = o_yatt
 workarea_new = n_yatt
 change_indicator = upd_yattc
 docu_delete = 'X'
 exceptions
 nametab_error = 1
 open_missing = 2
 position_insert_failed = 3
 others = 4.
 case sy-subrc.
 when 0. "ok.
 when 1. message a600 with 'NAMETAB-ERROR'.
 when 2. message a600 with 'OPEN MISSING'.
 when 3. message a600 with 'INSERT ERROR'.
 when 4. message a600 with 'SINGLE ERROR'.
 endcase.
endif.
if upd_yctcauthplnts ne space.
 call function 'CHANGEDOCUMENT_MULTIPLE_CASE'
 exporting
 tablename = 'YATTPLANTS '
 change_indicator = upd_yattplants
 docu_delete = 'X'
 tables
 table_old = yyattplants
 table_new = xyattplants
 exceptions
 nametab_error = 1
 open_missing = 2
 position_insert_failed = 3
 others = 4.
 case sy-subrc.
 when 0. "ok.
 when 1. message a600 with 'NAMETAB-ERROR'.
 when 2. message a600 with 'OPEN MISSING'.
 when 3. message a600 with 'INSERT ERROR'.
 when 4. message a600 with 'MULTIPLE ERROR'.
 endcase.
endif.
call function 'CHANGEDOCUMENT_CLOSE'
 exporting
 objectclass = 'YATT '
 objectid = objectid
 date_of_change = udate
 time_of_change = utime
 tcode = tcode
 username = username
 object_change_indicator = object_change_indicator
 no_change_pointers = no_change_pointers
 exceptions
 header_insert_failed = 1
 object_invalid = 2
 open_missing = 3
 no_position_inserted = 4
 others = 5.
case sy-subrc.
 when 0. "ok.
 when 1. message a600 with 'INSERT HEADER FAILED'.
 when 2. message a600 with 'OBJECT INVALID'.
 when 3. message a600 with 'OPEN MISSING'.
* WHEN 4. MESSAGE A600 WITH 'NO_POSITION_INSERTED'.
* do not abort, if positions are not inserted!!!
 when 5. message a600 with 'CLOSE ERROR'.
endcase.
endfunction.
a®

How to get terminal address along with Change document header

Dear All
My client want a report of the frequencies of a sales document changes along with terminal address. In table CDHDR i can get user name, date, t-code but not the terminal address. So requesting to guide me of how to get the terminal address from which terminal the document has been updated.
Appropriate answer will be rewarded.
Regards
Kingshuk
Edited by: Kings_Roy on May 31, 2010 11:02 AM

I don't think this information is kept in change documents. So for the change documents that are already created, you cannot get this information.
For future however you can do some code changes to get this information.
Function module TH_USER_INFO can return terminal name as well as IP address for a given client and user.
All you have to do is either store this additional information along with change documents. For this i think you can check the FMs that are writing SD change documents.
OR
You can use user exit exit SUSR0001 (User exit after logon to SAP System) to call this Function (TH_USER_INFO) at user logon and store this info in a Z table. Later when you are reading change documents, you can get user name, date time from change document and search this Z table for respective user Terminal name and IP Address.
This is not a complete solution but i hope it will direct you to a solution.
cheers.

Change Document - Insert new value / Delete

Hi,
Jus need a quick clarification on change documents -
1. insert opertaion. I have created change documents and able to record the changes in CDPOS when changing or updating the existing values in table. But when i try to insert into the table the CDPOS is updated only with key entries and how can i track the values tht are inserted for non key fields in table? is there anything to be inlcuded in the pgrm for insert operation so tht CDPOS relflects all the values inserted?
2. delete operation - CDPOS not recording the deletion of the record!!!
any pointers for troubleshooting this issue?

The insert operation only records the key, the actual values of the non-key fields can be found in the application table itself.
The delete operation should be recorded as well. Is it your custom transaction? The application logic is responsible for making the correct calls to the functions modules that write CDHDR/CDPOS entries. Maybe you have a bug there somewhere.
Thomas

Change document and triggering workflow

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