Ods change log

hi all
i wish to schedule the change log deletion for my ods zods1 . however , I am not sure how i can find the ODS change log table name . please guide .
thanks
oops

Follow this menu path right click on ODS -> Manage -> menu environment -> delete change log data. once you go to the screen of delete change log you will see different option to delete right away or schedule for montly deletion.
Hope it is helpful to you.
York

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Duplicate records in ODS change log

Hi Experts,
I have loaded records from R/3 to ODS (psa and then data target).
Records looks good in ODS active data.
Then I did a delta load from ODS to InfoCube and I have recevied are the changed entries to Cube.
Then, I checked the ODS and the Datamart status was Checked.
But, when I did a delta load again after couple of days from ODS to InfoCube, I received some duplicate records. I have checked the Change Log of ODS and the duplicate records were there.
I am not sure why my ODS is transporting entries from the ODS request for which there was a datamart status already checked.
( I cannot do selective deletion because there are about 1000 duplicate entries and in random order..).
I beleive my best bet would be to:
1. Delete both the delta load requests (the request with correct records and the request with duplicate records) from InfoCube.
2. Remove datamart status from ODS
3. Delta load from ODS to InfoCube
Please let me know if this will solve the issue or I will still get the duplicate records in InfoCube?
Also, do I need to Delete Change log data?

Hi Ramesh,
The entries in Active Data of ODS looks good. No duplicates.
When i checked Change log,
I had entries in ODS change log from two differnent requests.
Request1 (Full repair request via PSA) in ODS (ODSR_xxxx1) has records the same as in R/3
(eg., entry for DocumentA has keyfigure as value +$1000)
Request2 (Delta Load via PSA) in ODS (ODSR_xxxx2) has two records with posive and negative keyfigues
(eg, entries for DocumentA has keyfugure as value +$1000 and DocumentA has keyfugure as value -$1000)
So, not sure if I should call these records as 'duplicates'.
But, I see 3 entries in InfoCube for DocumentA with keyfigure values as +$1000, -$1000 and +$1000.
I beleive the ODS change log should actually cancel the earlier +$1000 and load the new +$1000 entry.
But, it seems to be not replacing the old one.
I hope i am clear.

After deletion ODS change log, Delta upload OK?

Hi all,
Now I am reducing data from BW server. For this purpose, I will delete ODS change log. Both of data "from ODS" and "to ODS" are uploaded by Delta Upload.
If I delete change log after last delta initialization, is there any problem to next delta upload?
For example, the last delta initializing was done April 1. And I delete the change log up to April 30. After this operation, can be expected any problem to Delta upload?
Bamboo Shampoo

I dont think it will cause any issue with next delta loads.
Data goes from ODS to its targets from change log table.
But I think better have strategy like..'delete change log data only for requests older than say...1 month or 2 months..'
so that if u have problems with recent data loads..u can reload easily..
u can also try cleaning up old requests from the PSA tables in the system..
cheers,
Vishvesh

Reporting on ODS (Change log Table)

Hi,
Can we do Reporting on ODS (Change log Table) that can give me the detailed transactions (invoices, cancellation etc) that is stored in the change log table.
If we can do reporting on the change log table, how can that be done? Please Help!
Thanks,

Hi Bharath,
See here:
http://help.sap.com/saphelp_nw04/helpdata/en/49/7e960481916448b20134d471d36a6b/content.htm
You can use a database table as the source of data:
http://help.sap.com/saphelp_nw04/helpdata/en/02/cd0b405bacdd5fe10000000a155106/content.htm
And store in an ODS:
http://help.sap.com/saphelp_nw04/helpdata/en/30/1d09407448c442e10000000a1550b0/content.htm
Hope this helps...

Process Chains and Process Types for ODS Change logs

We have created and used process chains to manage a large amount of our batch processing. I am looking to convert our batch process of deleting data from ODS change logs into a process chain. I have been unable to find a process type that will allow us to do this.
Any thoughts?

Hi Lisa,
You can use Process "Deleting Requests from the PSA" for deleting PSA and change log data.
Since the change log is also stored as a PSA table, you can also use this function to delete change log
records. You can find additional information under Deleting from the Change Log.
More info:
Deleting Requests from the PSA
http://help.sap.com/saphelp_nw04/helpdata/en/b0/078f3b0e8d4762e10000000a11402f/content.htm
Deleting from the Change Log
http://help.sap.com/saphelp_nw04/helpdata/en/6d/1fd53be617d524e10000000a11402f/content.htm
Hope it Helps
Srini

Identify ODS change log request from Cube update rules init routine

Hello all.
I need to use a logic in the Start routine of a cube, whcih change log request are move from an ODS when doing a delta.
Anyone knows if this is possible???
Thnaks and best regards,
Alofnso.

Hello Oscar.
Basically my requirement is to do a selective deletion of the cube, before I load the new data, but the selective deletion has to be done according to some fields of the data that is going to be load to the cube.
That´s why I need this.
Best Regards,
Alfonso.

Change Log/Delete PSA

Hi Gurus, I am on 3.5. When I go to RSA1, then to PSA. Select a a request, right click and select "Delete PSA Data". Why does it say "PSA / Change Log". Does it mean, I am deleting Change Log data too?

Bigtoja,
That may happen in case of ODS. For ODS change log data and PSA (for subsequent target from this ODS) are stored in the same table (change-log of the ODS table) . Those data are identified in the same table as "ODSR" for change log entries and "REQU" for PSA entries.
Hope this helps!
VJ

What do the Request Nos in Change Log table mean?

Hi,
I'm checking the change log tables of some ODSs. In the "Request" column, there are requests starting with ODSR* and REQU. These numbers are the same as the ones seen in the Manage screen under the "PSA Request Number" and "Request Number" cols respectively. I want to know, when does data come under the ODSR requests and when does it come under the REQU* requests.
BW version: 3.5

Hi,
The changelog of the ods is actually the PSA for the export datasource.That may happen in case of ODS. For ODS change log data and PSA (for subsequent target from this ODS) are stored in the same table (change-log of the ODS table) . Those data are identified in the same table as "ODSR" for change log entries and "REQU" for PSA entries.
Hope it helps..

Need suggestion to get data from change log table of ODS.

Hello,
There is a case where i am loading opportunity header data from header ODS and opportunity item data from item ODS in the opportunity cube.
Status (1= OPEN, 2= WON ETC) of the opportunity are available only in header ODS and not in item ODS.
While loading data from header ODS to cube, I am loading it directly but while loading data from item ODS to cube i am using active data table of header ODS as a lookup in the update rule from item ODS to cube. I am selecting status from the active data table of header ODS while loading data from item ODS to cube.
Since active data table will have only after image records, there is some data mismatch in the report as i am selecting data from active data table of header ODS while loading data from item ODS to cube.
I need to select data from Change log in order to get before image also instead of active data table in order to overcome this issue. Is there any way by which i can do selection from Change log instead of active data table as change logs are generated at run time.
Please let me know if you have any suggestions.
Regards,
Sanjay Chaurasia.

Hi,
You can use the changelog table of the DSO.
Right click manage the Header DSO, go to the contents tab and click Change Log table. There you can see the technical name of the Change Log table.
In the update rule Routine, give the tech name of Change log table instead of Active table name.
Hope it helps.
Krishna

How to use the change log in ODS to track Delta change?

People say that historical data (like Delta change) in ODS can be tracked in the Change Log. How to use the change log to track historic data?
Thanks

Kevin
See if it helps
Every ODS object is represented on the database by three transparent tables:
Active data: A table containing the active data (A table)
Activation queue: For saving ODS data records that are to be updated but that have not yet been activated. The data is deleted after the records have been activated.
<b>Change log: Contains the change history for delta updating from the ODS Object into other data targets, such as ODS Objects or InfoCubes for example.</b>
An exception is the transactional ODS object, which is only made up of the active data table.
The tables containing active data are constructed according to the ODS object definition, meaning that key fields and data fields are specified when the ODS object is defined. Activation queue and change log are the same in the tables structure. They have the request ID, package ID and the record number as a key.
Data base structure changes
http://help.sap.com/saphelp_nw04/helpdata/en/d2/d53ec3efdc9b47a9502c3a4565320c/frameset.htm
Hope this helps
Thnaks
Sat

A function module to add an entry to the change log of the ODS needed

Hi all,
I want to add an entry to the change log table of the ODS .
Is there a Function module available for this or a work around for this.
Regards
Akshay

Hi Kiran,
You can directly add days to the date.
Eg:
DATA date LIKE sy-datum.
DATA days TYPE i.
date = sy-datum.
days = 100.
date = date + days.
WRITE date.
Regards
Wenceslaus

Activation of ODS fails: Change-Log Request ODSR_... does not exist in ODS

Hello Experts,
I have a problem loading in an ODS object in Release BW 3.5. This load is in parallel to loading in a Cube and InfoObjects from 10 different SAP sources monthly.
Everytime, I load data, Activation fails. The Error message is "Change-Log Request ODSR_... does not exist in ODS ..." These Requests (30 requests) are very old starting with the Go-Live date of the application in 2005. If I search for the first Request in Reconstruct, a request without a InfoPackage-Name is found and if I reconstruct the request, all other new loaded Request are activated and everything is fine. The next month, the same error appears, but without the one old request in the list reconstructed the month before of course.
A few months before I had to repair loading and deleted also requests in the ODS. Then I realized my mistake, that reconstruction is not possible, because the request was gone in the reconstruction list. So I searched for the PSA Request in the ODS reconstruction list, found the requests and reconstructed these. Could this be the reason for my current problem?
But how can I stop this error? Reconstructing all of the requests did not work, because one request says, no active update rules exist for this request. So I stopped reconstructing every request of the long list.
Please help me, I could not find any helpful information until now ...
Many thanks in advance,
Hannes

Hi,
For the old requests that you don't want and that are not valid, goto the monitor for those and mark them red. After that you won't face any problems while activating the new requests.
The reason this is happening is that during activation BW thinks that these old requests are valid as they are green and tries to activate them as they are in squence. When it dosen't find them then it gives the error. If you mark them red, they are ignored and the next request is taken into consideration.
Cheers,
Kedar

How to get the Change Log Table name of the ODS from the system table

Hi,
I have a list of ODSs in the system and I am interested in finding the corresponding Change Log Table and the number of records in that table.
Can any one please tell me the name of the system table where this information is stored.
I dont want to get in this information manully (from the Contents tab of the ODS maintenane).
Regards,
Harikiran Gunnala

Hi
Go to SE16
Give the table name as "RSTSODS".
For User application field give CHANGELOG as input
and execute. You will get all the list of Changelog tables Along with below mentioned data
PSA
Version
To
Valid from
Object Status
Technical ODS name
Program Name
Maint Program
Object Name
Last changed by
UTC Time Stamp in Short Form
Partition number
Regards
Raj

ODS Activation Returns 0 records in the Change Log

Hi All,
I have question regarding the Change Log build after the ODS req has been activated.
BW system - SAP NetWeaver BI 7.0 - Level 15
Upon loading a delta request into the ODS and Activating, it adds no records to the change log table.But the active table gets correct records
Checks I Did
ODS -> Menu-> Environment -> Delete Change Log Data.
     No job scheduled or runing to delete the change log reqs (sm37)
RSRV - Check the Status of the Generated Program of a Data Store Object
ODS - reactivation to see if it works..
ODS Manage - Auto Req Processing set Quality status, Activate DSO to Yes.
The Activation Log shows at the end that they were no changed records added:
Data pkgs 000001; Added records 0; Changed records 0; Deleted records 0
Log for activation request ODSR_4APQQHKM459YNO7CIGCE0629U data package 000001...000001
Activation of records from DataStore object C_PUR_C sucessfully finished
U table for DataStore object C_PUR_C deleted successfully
Job finished
Can anyone help on the above issue??
Thanks
Rao

Hello Siggi,
Referring to the previous post:
I have a situation where few documents are not transferred to Change log during DSO Activation, though the After image values of these records are reflected in Active table.
I have found one common pattern for those documents which are not recorded in Change Log.
They have two pairs of After and Before image records.
First Pair like this: Eg: Overall status as the only data field.
Sales Doc     Overall Statuls   Recordmode
1001             C                      X
1001             A
Second pair:
1001            A                      X
1001            C
If we consolidate all these 4 records there seems to be no change for any data fields. Should I consider this as the standard behaviour while activating DSO - causing these records not to get recorded in change log?
Or is there any SAP Note that can make sure the change log gets populated in such case.
Hope my details are clear to you..
- Varma

Can we delete the change log table of ods?

hi bw gurus,
can we delete the newdata,active and change log table of ods?how?what is the advantage?
OR
can we delete the contents of new,active,change log table of ods?how?what is the advantag?
thanks in advance
srinivas

Hi Srinivas
Yes, You can delete the contents of changle log table but not the contents of new data and active data table.
Before deleting the change log data you have to make sure that the requests are not required for further delta extraction or for reconstruction purpose.
Steps
1. Goto Manage screen of your ods
2. Click on Environment tab and select the option " Delete change log data".
Adv:
To free up the disk space.
Assign points if it is useful for u.
Regards
Saddy

Ods change log

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