DELTA METHODS FOR LO EXTRACTION

hi gurus,
LOs support only 3 update methods.They are Direct delta,Queued delta and unserialized V3 update.It no more supports
CAN ANYONE HELP ME UNDERSTAND WHAT IS
DIRECT DELTA
QUEUED DELTA
UNSERIALIZED
SERIALIZED
PLZ TRY TO GIVE ME SOME EXAMPLES SO THAT I CAN UNDERSTAND BETTER.
THANKS IN ADVANCE
WITH REGARDS
NEELKAMAL

Hi,
Dont post same question twice..and post it in relevant section..
Any have I have given the Roberto's weblog in other post
go through that
Regards-
Siddhu

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Delta Mechanism for LO Extraction.... urgent plz

hi experts,
Could you plz.. give me the details below for LO EXTRACTION DELTA MECHANISM.
for the first time load i have done initialize with data transfer. what should i do if i want to extract the new data(Changed Records) from r/3. what are all the settings i need to give. i am using BI7.
plz provide me the documentation for LO EXTRACTION DELTA MECHANISM.
regards
vadlamudi

Hi,
After initialization you need to check the deltas in RSA7 after the load.
For further explanation check these blogs by Roberto Negro:
Episode one:
/people/sap.user72/blog/2004/12/16/logistic-cockpit-delta-mechanism--episode-one-v3-update-the-145serializer146
Episode two:
LOGISTIC COCKPIT DELTA MECHANISM - Episode two: V3 Update, when some problems can occur...
Episode three:
LOGISTIC COCKPIT DELTA MECHANISM - Episode three: the new update methods
Also check
Gist of LO Cockpit Delta
Assign points if this helps........
Rgs,
I.R.K

Where can we see the Delta Method suported by data source.

Hi all,
Please let me know where can we see delta method for the Business constraint DataSource ? such as where this data source had delta method as Direct Delta or Queued Delta or V3 Undersized update.
I want to find out for 0FI_GL_4 DataSource.
Regards
Ashutosh

0FI_GL_4 is delta capable.
http://help.sap.com/saphelp_nw70/helpdata/en/0c/b4973c115a6f3ae10000000a114084/content.htm
Finance works on Time Stamp not on LO.

Is Downtime necessary for delta methods?

Hi all,
When we do initialization for full updates or delta initialization, downtime is necessary.
Is downtime necessary for delta updates also? Whenever a document is posted to an application tables, will it come directly to extraction queue, update table or delta queue(depending on delta method we chose)? Or do we need any downtimes?
Please explain me in detail...
Thanks.

Hi Komal,
You require Downtime only during a SETUP run, after the Successful Setup run and initialization in BW, you need to schedule JOBs to run DAILY/HOURLY along with the TYPE of DELTA that is required...Downtime is NOT required after this point.
The jobs scheduled will pick up any deltas and post it to for the BW Delta Queue. The Delta load in BW will then pick the Delta records.
Cheers,
Praveen.

Delta upload for flat file extraction

Hello everyone,
Is it possible to initialize delta update for a flat file extraction, If yes please explain how to do that??

Hi Norton,
For a Flat file data source, the upload will be always FULL.
Please refer to following doc:
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/a0b3f0e2-832d-2c10-1ca9-d909ca40b54e?QuickLink=index&overridelayout=true&43581033152710 if you need to to extract delta records from Flat file. We can write routine at infopackage level.
Regards,
Harish.

What are the delta mechanisms and tables used for Lo Extraction & COPA

Hi all
what are the delta mechanisms and tables used for Lo Extraction & COPA.
please explain clealry.
Thanks & Regards,
James

James,
Please go through Roberto's weblog :
/people/sap.user72/blog/2005/02/14/logistic-cockpit--when-you-need-more--first-option-enhance-it
Anyways,
As you know LO cockpit consists of different modules(MM, PP, SD, etc)
They are called appl components. Each of them have a number (eg.MM=02) and for each appl comp they might be different Data sources and for each DS they might be different tables. So, unless you be specific we cant tell a specific table for a DS.
coming to the delta mechanisms, there are " direct delta, queqed delta and serialized delta".
Copa is based on the oepration concern. it can be created on " accouting based" or "costing based".
Assign points if helpful
Kalyan

Delta for Generic Extraction

Hi all,
Can anyone tell about delta for generic extraction i.e 3 options in detail and when do we use it.
thanks in advance,
chandra sekhar

When you want to customize existing datasources at R/3 sides then you can do that with customer exits.
Suppose if you want to add a column to the existing datasource then you will use append structures (Transaction SBIW-> Edit Data sources - Enhance Datasource) then to fill the column you will write the code in these Exits.
There are 4 types of Exits available.Function Group (XRSA)
EXIT_SAPLRSAP_001 Customer Function Call for Supplying Transaction Data
EXIT_SAPLRSAP_002 Customer Function Call for Supplying Master Data (Attributes)
EXIT_SAPLRSAP_003 Customer Function Call for Supplying Text
EXIT_SAPLRSAP_004 Customer Function Call for Supplying Hierarchies
As you are aware there 4 types since the datasources in R/3 are predefined to fill the data of BW viz, attributes,Text,Hierarchy and Transaction.
Check the below forum discussion for more information..
DataSource Enhancement
Regs
Gopi
Assign point if it helps ...

Delta support for the Generic extracter

Hello Roberto,
I have created the generic extractor (view-VBRK,VBRP) and it is working fine now i want to create the delta support for the extractor at R/3 side , please guide for the same .
Regards,
Milind

Hi Milind,
Under R/3, go to TCODE RSO2, you are presented with 3 options "Transaction Data", "Master Data", "Text". You choose which is the type of Generic Extractor you want.
There is a button labeled "DELTA" on the upper left corner of the screen. You indicate there which of the fields in your Extract Structure will be used as DELTA indicator or reference point.
You can choose either via Numeric Pointer, Timestamp, Calendar Day.
Hope that helps...
Do award some points if helpful...
--Jkyle

How to enable delta without data transfer option for Collections - Extracts

Hi All,
My question is basically related to FSCM - Collections related data sources and Init and Delta loads of the same.
Once the Init is completed, I wanted to do delta without data transfer and option is graded out - means can not really select the option for Collections Data Sources ..
For Example I have OCLM_INVOICE as my data source which has lot of data to extract - and in the Init stage itself, its either giving errors or keeps running for longer time (Records to be extracted is ONLY 400000) and finally shows in the monitor as 400000 of 0 Records..
And also Is there any place where I can find that all of Collection data sources are TIME STAMP based or other options.
I appreciate your quick an ddetails reply and points will be awarded for sure.
Thanks
AK.

As far as I remember there some datasources which wont support init w/o data transfer. I guess COPA is one of them. I havent worked on datasource 0CLM_INVOICE but it is possible that even this could be same case. When I seached on help.sap.com for this datasource, I found this info -
(I am pasting content because strangely the webpage doesnt give html link for this search result window)
DataSource Transactional Data: 0CLM_INVOICE
This DataSource is used to extract the transaction data of an invoice from Accounts Receivable Accounting (FI-AR). The system determines the key figures from the amounts of the line items belonging to the invoice. The date fields each contain the respective date of an action that refers to a line item. The extractor provides the data in optimized form for SAP Collections Management.
Technical Data
Application Components Collections Management (0FSCM-CLM)
Available as of Release mySAP ERP Value Pack 2005.1
Shipment SAP NetWeaver 2004s BI Content Add-On 3 SP02
Content Versions There are no content versions.
RemoteCube-Capable No
Delta-Capable Yes
Extraction from Archives No
Verifiable Yes
Data Modeling
Delta Update
The DataSource permits delta update with generic delta processing using the time stamp. The system determines the invoice reference for a document in Business Transaction Event (BTE) 5010 and saves it with a time stamp. In the case of a delta upload, it determines the amounts of the line items based on these document numbers.
Extractor Logic
Verification of Key Figures
If necessary, you can check the key figures of the individual customers as follows:
In the source system, from the SAP Easy Access screen, choose the following function: Accounting u2192 Financial Supply Chain Management u2192 Collections Management u2192 Integration with Accounts Receivable Accounting u2192 Process Receivables (Old).
Enter the required customer.
The Customer Account - Process Receivables screen appears. Here you see a list of all invoices for which there are open receivables.
Using this list, you can compare the following key figures:
Original Amount of Invoice or Credit Memo (INVOICE_AMOUNT)
Amount Paid (PAID_AMOUNT)
Open Amount (OPEN_AMOUNT)
Total of All Credit Memos for Selected Invoice (CREDITED_AMOUNT)
Amount Arranged for Payment (PAYMENT_ARRANGED)
Unsychronized Backup Recovery in BW System
If you import backup copies asynchronously, you have to initialize the delta procedure for the DataSource again.
Abhijit
Edited by: ABHIJIT TEMBHEKAR on Nov 18, 2008 5:00 PM

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i will be higly thankful to u !!!!!
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http://www.exampledepot.com/egs/javax.swing.text.html/pkg.html

Delta for generic extraction using FM

Hi All,
I am trying to create generic datasource using function module. I need to set delta functionality for this DS but I don't know how to set delta for FM.
Do I need to give delta specific field in RSO2? My delta specific field is either AEDAT or ERDAT? Is it possible? how to write code for this?
I have around 13 tables & there is no stadard DS for these table so is it correct way to use generic using FM or is there any other way?
plz suggest & if u have any step by step document for FM plz provide.

Hi Manesh,
Yes you need to set up your delta enabled field in RSO2 when you click the delta button for the datasource.
Usually for generic datasources we use any date field to genarete deltas and looks like you have the same (AEDAT and ERDAT a re date fields).
You dont need to write any code for this. Just provide any field for executing delta and initialize. It will get you the delta based on the date.
In some scenarios, we get postings happening on an older date and hence dates cannot be used, in those scenarios we can go by numeric pointer.
Creating a datasource on 13 tables, i ma not sure how efficient it would be (mainly depends on the data volume on these tables) but yah writing a function module will be fine.
Let me know in case of any clarification
Thanks
Sachin

How to delete the data in update queue and delta queue for Queued delta?

Dear BWers,
How do i delete the delta queue and update queue data before i fill the setup tables for a extraction based on Queued delta. Please help.
Thanks
Raj

Hi Raj,
I think you need some ground work for the LO extraction same as others here. Please read the 3 blogs expliciltly created for LIS by Robert Negro.
/people/sap.user72/blog/2004/12/16/logistic-cockpit-delta-mechanism--episode-one-v3-update-the-145serializer146
/people/sap.user72/blog/2004/12/23/logistic-cockpit-delta-mechanism--episode-two-v3-update-when-some-problems-can-occur
/people/sap.user72/blog/2005/01/19/logistic-cockpit-delta-mechanism--episode-three-the-new-update-methods
As well, the OSS 380078 would clear your doubts reagrding the the BW QUEUE mainatinance.
Please let me know if these material has been suffecient enough.
regarda,
raj

Steps for Data extraction from SAP r/3

Dear all,
I am New to SAP Bw.
I have done data extraction from Excel into SAP BW system.
that is like
Create info objects > info area> Catalog
--> Character catalog
--> Key catalog
Create info source
Upload data.
create info cube
I need similar steps for data extraction for SAP R/3
1. when data is in Ztables ( using Views/Infosets/Function etc)
2. When data is with Standard SAP using Business Content.
Thanks and Regards,
Gaurav Sood

hi,
chk the links
Generic Extraction
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/84bf4d68-0601-0010-13b5-b062adbb3e33
CO-PA
http://help.sap.com/saphelp_46c/helpdata/en/7a/4c37ef4a0111d1894c0000e829fbbd/content.htm
CO-PC
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/fb07ab90-0201-0010-c489-d527d39cc0c6
iNVENTORY
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/f83be790-0201-0010-4fb0-98bd7c01e328
Extractions in BI
https://www.sdn.sap.com/irj/sdn/wiki
LO Extraction:
/people/sap.user72/blog/2004/12/16/logistic-cockpit-delta-mechanism--episode-one-v3-update-the-145serializer146
/people/sap.user72/blog/2005/01/19/logistic-cockpit-delta-mechanism--episode-three-the-new-update-methods
/people/sap.user72/blog/2005/02/14/logistic-cockpit--when-you-need-more--first-option-enhance-it
/people/sap.user72/blog/2004/12/23/logistic-cockpit-delta-mechanism--episode-two-v3-update-when-some-problems-can-occur
/people/sap.user72/blog/2005/04/19/logistic-cockpit-a-new-deal-overshadowed-by-the-old-fashioned-lis
Remya

Scenarios for Generic extraction

Hello experts ,
Please give me some scenarios where we will go for the extraction using
function module,
infoset query,
View.
Thanks in advance,
pragya.

Hi Pragya,
Generic extractors are of 3 types:
1. Based on table/view
2. Based on Infoset Query
3. Based on Function module
In some cases Business Content will not give your required data sources , In such scenarios you need to develop your own data sources ( Views / Function modules ) , Then you can bring that data source to BW and use that .
if you can't find the suitable business content data source then you have to create
your own data source ( Generic )
or enhance the given data source.
Need for customized generic extractor
Business Content may not have a suitable
Data Source for your application.
Business Content may require additional enhancements that need data that is not supplied by SAP BW.
The application may not have its own generic data extraction method.
We have used our own custom programs to populate tables in SAP system.
Please see link below
http://help.sap.com/saphelp_nw04s/helpdata/en/3f/548c9ec754ee4d90188a4f108e0121/frameset.htm
Good weblogs
/people/siegfried.szameitat/blog/2005/09/29/generic-extraction-via-function-module
/people/sap.user72/blog/2005/04/19/logistic-cockpit-a-new-deal-overshadowed-by-the-old-fashioned-lis
/people/sap.user72/blog/2004/12/16/logistic-cockpit-delta-mechanism--episode-one-v3-update-the-145serializer146
/people/sap.user72/blog/2004/12/23/logistic-cockpit-delta-mechanism--episode-two-v3-update-when-some-problems-can-occur
/people/sap.user72/blog/2005/01/19/logistic-cockpit-delta-mechanism--episode-three-the-new-update-methods
Regards, ABY

Delta in Generic data extraction

Hi all,
I have a doubt here,
What is the delta in Generic Data extraction?
What are the types?
and what are their significances?
Please give reply.
Thanks
Surya.

Hi Surya,
If a field (date, progressive document number, timestamp) exists in the extract structure of a DataSource that contains values which increase monotonously over time, you can define delta capability for this DataSource. If such a delta-relevant field exists in the extract structure, such as a timestamp, the system determines the data volume transferred in the delta method by comparing the maximum value transferred with the last load with the amount of data that has since entered the system. Only the data that has newly arrived is transferred.
To get the delta, generic delta management translates the update mode into a selection criterion. The selection of the request is enhanced with an interval for the delta-relevant field. The lower limit of the interval is known from the previous extraction. The upper limit is taken from the current value, such as the timestamp or the time of extraction. You can use security intervals to ensure that all data is taken into consideration in the extractions (The purpose of a security interval is to make the system take into consideration records that appear during the extraction process but which remain unextracted -since they have yet to be saved- during the next extraction; you have the option of adding a security interval to the upper limit/lower limit of the interval).
After the data request was transferred to the extractor, and the data was extracted, the extractor then informs generic delta management that the pointer can be set to the upper limit of the previously returned interval.
Hope now is clearer...
Bye,
Roberto

DELTA METHODS FOR LO EXTRACTION

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