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Lo extraction part 3 extractor logic
1.
LO Extraction: Part
3 Extractor Logic Applies to: SAP BI, SAP BW, ECC, ABAP, Business Intelligence Summary This part of the article explains the logic behind the LO Extractors and the relevant backend tables with the details on important function modules. Author: P Renjith Kumar Company: SAP Labs India Pvt Ltd Created on: 26 August 2010 Author Bio P Renjith Kumar is presently working in SAP Labs India Pvt Ltd and specializes in Extraction and Modeling areas of BI. Basically as an ABAP consultant, he has extensive cross functional experience and has been with end to end SAP ERP and BI implementation projects across manufacturing domain. . SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 1
2.
LO Extraction: Part
3 Extractor Logic Table of Contents The Design of the New Extract Structures ......................................................................................................... 3 Datasource.......................................................................................................................................................... 4 Datasource Activation ......................................................................................................................................... 5 Extraction Structure ............................................................................................................................................ 5 Setup Table......................................................................................................................................................... 5 Extractors ............................................................................................................................................................ 6 Extraction Method ............................................................................................................................................... 7 Dataflow: Overview ........................................................................................................................................... 11 The LO Cockpit ................................................................................................................................................. 13 Related OSS Notes .......................................................................................................................................... 14 Related Content ................................................................................................................................................ 14 Links to my previous articles... ...................................................................................................................... 14 Copyright........................................................................................................................................................... 15 SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 2
3.
LO Extraction: Part
3 Extractor Logic The Design of the New Extract Structures The extract structures are a fundamental part of the extraction concept. These are R/3 –DDIC structures that contain all fields, whose data contents are transferred from the transaction data via the Datasource to BW, when you activate the relevant extraction. Most of the extract structures for applications 11, 12 and 13, are structured in such a way , so that most of the fields within them are filled directly from the field contents of the LIS Communication structures. Some additional fields are determined in the extraction module. Every LIS communication structure, that is used to fill an extract structure, is assigned to an include structure in the extract structure. When you are adding extra fields, whose field names are identical in several LIS communication structures intended for use in an extractor, it is possible to assign uniquely, the LIS communication structures, from which the data contents are transferred. However, this does not mean that you can include a field with the same name extract structure. This extract structure concept allows you to include other fields without modification – as Well as user- defined fields, which were included using append technology, in the Corresponding include of the LIS communication structure - in the extract structures. They are then automatically filled with the value from the corresponding LIS communication structure. SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 3
4.
LO Extraction: Part
3 Extractor Logic Datasource A BW datasource is a structure, which is created in the source system and replicated to the BW system. Maintaining a datasource in a source system is doing any changes related to the datasource. It could be adding/deleting fields or checking the flags in the datasource like the hide and selection flag. Also, if the datasource is provided in the LO Cockpit, changes can be made there too depending on how the extraction of data is made for that datasource. Extraction could be of flat file extraction or of multiple flat structures i.e., hierarchies. There are four types of Datasource: 1. Datasource for transaction data 2. Datasource for master data i. Datasource for attributes ii. Datasource for texts iii. Datasource for hierarchies Datasource for LO extraction is delivered by SAP as a part of business content. It has the naming convention 2LIS_<Application_Componnet>_<Event>_<Suffix> Application Component = 2 digit number, It gives info related to application. E.g. 11 specifies Sales, 12 specifies shipping, 13 specifies Billing, Event = Gives transaction name that provides the data for the application. E.g.: VA means creating, changing, and diaplaying sales order. Event VA means creating, changing or deleting orders. Event VB means creating, changing or deleting quotations. Event VC means creating, changing or deleting deliveries. Event VD means creating, changing or deleting billing documents. Suffix = It details the datasource, what level of data is extracted etc. HDR represents Header data, ITM represents Item data, SCL represents Schedule line data, KON represents Conditions data Example: Datasource: 2LIS_11_VAHDR This extracts data from Application component 11, that is Sales and Event is VA which is of sales order creation/change and the header data is extracted. SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 4
5.
LO Extraction: Part
3 Extractor Logic Datasource Activation This is done at RSA5 transaction; Once this is done you can see the activated datasource in RSA6 transaction. Initially the datasource will be in D (Delivered) version, Once it is activated it will come to A(Active) version, if you do any changes it will become M(Modified) version, then you need to activate again. Extraction Structure Extraction structure MC<Application><Event/group of events>0<Suffix>; where MC is derived from the associated communication structures and <Suffix> is optional Examples: MC11VA0ITM: Extraction structure for the Datasource 2LIS_11_VAITM MC02M_0HDR: Extraction structure for the DataSource 2LIS_02_HDR, where M_ indicates the group for the events like MA (order), MD (delivery schedule), ME (contact) and MF (request). Setup Table Restructuring table (= setup table) <Extraction structure>SETUP Example: Extraction structure: MC11VA0ITM table: MC11VA0ITMSETUP 2LIS_11_VAHDR - MC11VA0HDRSETUP 2LIS_11_VAITM - MC11VA0ITMSETUP 2LIS_11_V_ITM - MC11V_0ITMSETUP SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 5
6.
LO Extraction: Part
3 Extractor Logic Extractors Extractors enable the upload of business data from source systems into the data warehouse Example: MCEX_BW_LO_API You can check this extractor in SE37. Datasource Table The table ROOSOURCE have all details about the datasource. You can give the input as your datasource name and get all relevant details about the datasource Table ROOSOURCE Real time datasource The "Real-time enabled" indicator determines whether a delta-enabled DataSource can supply data for a real-time demon. SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 6
7.
LO Extraction: Part
3 Extractor Logic Extraction Method Depending on the extraction method, this field contains: 'V': DDIC name of the transparent table or the databank view used for generic extraction. 'F1': Name of the function module for the extraction (template in the function group RSAX, FB RSAX_BIW_GET_DATA) 'F2': Name of the function module for the extraction (template in the function groups RSAX, FB RSAX_BIW_GET_DATA_SIMPLE) 'D': DDIC name of the name from which texts are to be extracted. 'Q': Functional area of the ABAP query (<4.6) or InfoSet of the InfoSet Query (>4.6). 'A': For reaons of consistency, the DDIC name of the append structure Information about datasource In transaction RSA2 you can find all information about datasource, This is called datasource repository. SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 7
8.
LO Extraction: Part
3 Extractor Logic Extract Structure administration tables The interaction of the LIS communication structures with the extract structures is controlled, amongst other things, by the table TMCEXCFS, in which information about the fields that you have selected, or the fields which are not available for selection, is contained for all LIS communication structures. TMCEXCFS : LO Data Extraction: Field Status of Communication Structures Give the extract structure name that you got from RSA2/ROOSOURCE. It will show the state of each field with possible entries as given below SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 8
9.
LO Extraction: Part
3 Extractor Logic CSTRU means communication structure and the filed status is given as output Customer defined fields In table TMCEXCFZ, all additional fields that the customer has chosen are recorded Datasource assignment and generation The extract structures are assigned to their DataSources using table TMCEXACT. In addition, in TMCEXACT, the activation status for the extraction is saved.The DataSource is generated on the basis of these tables (for example, according to the enhancement of an extract structure). SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 9
10.
LO Extraction: Part
3 Extractor Logic SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 10
11.
LO Extraction: Part
3 Extractor Logic Dataflow: Overview SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 11
12.
LO Extraction: Part
3 Extractor Logic Activation of datasource Transaction RSA5 Transaction RSA6 : Post processing of datasource SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 12
13.
LO Extraction: Part
3 Extractor Logic The LO Cockpit In transaction LBWE we will be able to see all the datasource for LO application. Going deeper to know the logic of extractor Function Modules Event VA (Order Processing) R/3 Core: MCV_STATISTICS_ORDER Tables : VBAK, VBAP, VBEP, VBUK, VBUP, VBKD Event VC (Delivery) R/3 Core: MCV_STATISTICS_DELIVERY Tables : LIKP, LIPS, VBUK, VBUP Event VD (Billing) R/3 Core: MCV_STATISTICS_INVOICE Tables : VBRK, VBRP, VBUK, VBUP Extractor function module Naming convention: MCEX_UPDATE_nn (nn = application number), sometimes there is a second extractor MCEX_UPDATE_nn_1 In case of the V3 update modes you can see the function module and its interface data in the transaction SM13. SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 13
14.
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3 Extractor Logic In case of Delta queue you may see it in the transaction LBWQ. In case of Direct Delta the data has been written directly to the BW delta queue (transaction RSA7). If it has not been done by the call interface, the extractor will make a decision between the setup and the online case (different targets: setup tables or BW delta queue). Note: We will see in detail about the update modes in our next part. Extractor API function module Only one such module for all applications: MCEX_BW_LO_API Will be called upon BW request of a full upload from Service API Will read the data stored in the setup tables; SAPI will control the transmission to BW (e.g.IDOC/ALE) Related OSS Notes 0214234 Missing extract structures in logistics 0328255 Not all fields provided in Customizing Cockpit 0328762 Incorrect DataSource 28.08.2000 Consulting 0377633 Client-specific deletion of rebuild tables Related Content SAP Developer Network SAP Help Links to my previous articles... LO Extraction Part 1 – SD Overview LO Extraction Part 2 – Database Update Logic SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 14
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LO Extraction: Part
3 Extractor Logic Copyright © Copyright 2010 SAP AG. All rights reserved. No part of this publication may be reproduced or transmitted in any form or for any purpose without the express permission of SAP AG. The information contained herein may be changed without prior notice. Some software products marketed by SAP AG and its distributors contain proprietary software components of other software vendors. Microsoft, Windows, Excel, Outlook, and PowerPoint are registered trademarks of Microsoft Corporation. IBM, DB2, DB2 Universal Database, System i, System i5, System p, System p5, System x, System z, System z10, System z9, z10, z9, iSeries, pSeries, xSeries, zSeries, eServer, z/VM, z/OS, i5/OS, S/390, OS/390, OS/400, AS/400, S/390 Parallel Enterprise Server, PowerVM, Power Architecture, POWER6+, POWER6, POWER5+, POWER5, POWER, OpenPower, PowerPC, BatchPipes, BladeCenter, System Storage, GPFS, HACMP, RETAIN, DB2 Connect, RACF, Redbooks, OS/2, Parallel Sysplex, MVS/ESA, AIX, Intelligent Miner, WebSphere, Netfinity, Tivoli and Informix are trademarks or registered trademarks of IBM Corporation. Linux is the registered trademark of Linus Torvalds in the U.S. and other countries. Adobe, the Adobe logo, Acrobat, PostScript, and Reader are either trademarks or registered trademarks of Adobe Systems Incorporated in the United States and/or other countries. Oracle is a registered trademark of Oracle Corporation. UNIX, X/Open, OSF/1, and Motif are registered trademarks of the Open Group. Citrix, ICA, Program Neighborhood, MetaFrame, WinFrame, VideoFrame, and MultiWin are trademarks or registered trademarks of Citrix Systems, Inc. HTML, XML, XHTML and W3C are trademarks or registered trademarks of W3C®, World Wide Web Consortium, Massachusetts Institute of Technology. Java is a registered trademark of Sun Microsystems, Inc. JavaScript is a registered trademark of Sun Microsystems, Inc., used under license for technology invented and implemented by Netscape. SAP, R/3, SAP NetWeaver, Duet, PartnerEdge, ByDesign, SAP Business ByDesign, and other SAP products and services mentioned herein as well as their respective logos are trademarks or registered trademarks of SAP AG in Germany and other countries. Business Objects and the Business Objects logo, BusinessObjects, Crystal Reports, Crystal Decisions, Web Intelligence, Xcelsius, and other Business Objects products and services mentioned herein as well as their respective logos are trademarks or registered trademarks of Business Objects S.A. in the United States and in other countries. Business Objects is an SAP company. All other product and service names mentioned are the trademarks of their respective companies. Data contained in this document serves informational purposes only. National product specifications may vary. These materials are subject to change without notice. These materials are provided by SAP AG and its affiliated companies ("SAP Group") for informational purposes only, without representation or warranty of any kind, and SAP Group shall not be liable for errors or omissions with respect to the materials. The only warranties for SAP Group products and services are those that are set forth in the express warranty statements accompanying such products and services, if any. Nothing herein should be construed as constituting an additional warranty. SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2010 SAP AG 15
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