Generic Extraction scenario

Hi,
Can anyone give a simple scenario where I can create a generic extractor through a view and upload into a cube in BW?
This is for my own practice as I'm not skilled in Extractions. I'd appreciate the help.
Regards

Hi,
from help
http://help.sap.com/saphelp_nw04/helpdata/en/3f/548c9ec754ee4d90188a4f108e0121/frameset.htm
Extractors
from 'how to generic delta' doc
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/84bf4d68-0601-0010-13b5-b062adbb3e33
This pdf doc should help you.
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/84bf4d68-0601-0010-13b5-b062adbb3e33
-Shreya

Similar Messages

Bussiness Scenario for GENERIC EXTRACTION

Hi friends,
 can any one explain me... in what situation we go for Generic Extractions..
The normal reason is When the Bussiness Content Datasource is not matching with our requirement.. we go for Generic extraction..
 I told like this only... but they are not satisfied with my answer.. and they asked .. tell me the bussiness scenario( in what situation u done generic extraction)
so, friends... could any one plz explain me any scenario... which you done for generic extraction...
 i will appriciate by giving points to the appropriate answers..
Thanks
babu

Hi,
These 2 below links may be helpful,
GENERIC DATA EXTRACTION USING FUNCTION MODULE
Difference between Generic Extraction and Enhancement of existing Extractor
1)Go to RSA6 and find the data source you need to enhance.--> Display
2)Double click on the Extract structure.
3)Now click on the append structure button to add the required field on to the existing structure.
4) add your required fields with ZZ appended to your field.
5) Save & Activate the append structure. Then go back and make sure you activate the extract structure also.
6) Now again go back to RSA6 and select your Data Source. But this time go to change Data Source to remove the hide option to the enhanced fields. By default theyll be in hide mode. If you dont remove the hide field then this field will not be seen in BW side.
7) Now go to SE38 to write the logic to populate the data into the enhanced field. Program name to write the logic is ZXRSAU01.
8) Check + Save + Activate.
9) Check in RSA3 if data is populated as per your requirement.
10) Replicate your Data Source.
11) Now go to Data Source/ Trans. Structure screen. Now you can see the enhanced field on the right hand side.Enhancements:
Enhancements:BW Side:
Go to CMOD.
1. To Save give Description  createcreate new projectgive the project name
2. Select the radio button Enhancement Assignment and give the Enhancement name you want and press Enter.
3. If the Enhancement is already assigned to some other project it will display the same message saying it is already assigned it some other project. Click on
4. If the Enhancement is not assigned to any project save.
5. Give RSR00001 (For Variable Exits)
6. Activate the Project.
7. and click on the components button.Now go to Display
8. Now Double click on EXIT_SAPLRRS0_001. In that you can see an include ZXRSRU01.
9. Double click on that include, it will say program name ZX are reserved for includes of exit Functions groups.
10. Just Press Enter.
11. Itll Pop-Up a window Create Object.saying Include ZX. Does not exits
12. That is where you have to write the code for the variable exits. BW: Virtual
13. RSR00002 Chars and Key Figures. BW: Moving Characteristics.
14. RSR00003
Thanks,
Aby Jacob

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

Generic extraction

Hi,
in generic extraction in which scenarios you extract data from table,view,infoset query,FM
sridhar

Transparent Table
If you're wishing to create a generic DataSource based on a single Transparent Table in the source R3/ECC system, then using that table as the source for your generic DataSource would be appropriate because it will expose all of the columns in that table to your generic extraction structure. There is one exception to this and that is, if you have more than one date field (e.g. Created On and Changed On dates) that you're going to use for generic delta. Pool/Cluster tables and structures wouldn't be allowable for this type of generic DataSource setup.
View on Transparent Tables
If your requirement is to create a generic DataSource based on multiple Transparent Tables in your source R3/ECC system, then a view would be appropriate. You can either use SAP delivered views in the source R3/ECC environment or create a custom view. The same exceptions (generic delta on more than one date field, pool/cluster tables and structures).
Function Module
A custom Function Module can be coded for the extraction of data for a generic DataSource. This type would be appropiate if you're extracting data from pool/cluster tables or structures. Another use for a Function Module as the source for a generic DataSource would be if you're going to use more than one data field for a generic delta. Finally, a Function Module would be used if there is some transformational-type logic required to be done on the extracted data before it is passed to BW.
InfoSet Query
An InfoSet (not to be confused with an InfoSet in BW) query in a source R3/ECC environment, is created in tocde SQ01, and is a way of creating "quick-and-dirty" reports with summarized values, derived values, et. al. This can be used as the basis for a DataSource, if the queries are already built. If not, then a Function Module can perform and necessary aggregations, derivations or other transformational-type logic, instead of creating a query. I say this because I'd highly discourage using this as a source for a generic DataSource because InfoSet queries are usually extremely inefficient and can consume a lot of the valuable system resources.

When we go for Views and Function Modules for Generic Extraction

Hi Experts,
Can you please explain when we go for extracting the data using Views and when we got using Function Modules using Generic Extraction from R/3 system to BW with examples. And also can you explain when we go for delta for the above both scenarios.
Thanks for you help in advance
Rohith

Hi,
Scenario for Extarction using FM
Imagine the scenario where you need to extract data from
tables having no common field between them and thereby preventing you from creating a view on top of those tables..
Or simply consider tables that are highly unrelatd in terms of fields, but you have a requiremnt to extract data from them.
Also Refer.
create generic extractor based on 2 tables
Generic Extraction via Function Module
/people/siegfried.szameitat/blog/2005/09/29/generic-extraction-via-function-module
Steps.
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/a0f46157-e1c4-2910-27aa-e3f4a9c8df33
http://help.sap.com/saphelp_nw04/helpdata/en/86/1c8c3e94243446e10000000a114084/frameset.htm
Scenario for Extraction using View
If there are more number of tables and data in those tables can be represented using joins then we can use this type of extraction
For more info Refer these links
http://help.sap.com/saphelp_nw2004s/helpdata/en/cf/21ecf9446011d189700000e8322d00/frameset.htm
Difference between "Help View" and "Search Help"
http://help.sap.com/saphelp_nw04/helpdata/en/cf/21ed06446011d189700000e8322d00/frameset.htm
for more detailed info look on:
http://www.sap-img.com/abap/what-is-the-different-types-and-usage-of-views.htm
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/home/abap+dictionary&
For GEneric Delta refer these links
[generic with delta;
[https://forums.sdn.sap.com/click.jspa?searchID=11388803&messageID=5164737]

Generic extraction (table,view,functionmodule)

hi
In generic Extaction when we use table and view and function module and sap qu (scenario)
AND
plz send some examples
Please search the forums before posting

Hi,
when Standard Extractors are not supporting to your requirement then we go with Generic Extraction.
Here we have Three different types to design generic extractors
Table
View
Function Module
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/a0f46157-e1c4-2910-27aa-e3f4a9c8df33
https://websmp103.sap-ag.de/~sapidb/011000358700007535452002
Hope this will help you.
Thanks
Prasad

Generic extraction example required

hi guys,
can anybody plz give a real time scenario for Generic extraction, give it in detail, i have to explian the same in interview?
points will be given
thanks and regards..

Hi,
check the following
http://help.sap.com/bp_biv235/BI_EN/html/bw.htm
business content
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/biw/g-i/how%20to%20co-pa%20extraction%203.0x
https://websmp203.sap-ag.de/co
http://help.sap.com/saphelp_nw04/helpdata/en/37/5fb13cd0500255e10000000a114084/frameset.htm
(navigate with expand left nodes)
also co-pa
http://help.sap.com/saphelp_nw04/helpdata/en/53/c1143c26b8bc00e10000000a114084/frameset.htm
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/fb07ab90-0201-0010-c489-d527d39cc0c6
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/1910ab90-0201-0010-eea3-c4ac84080806
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/ff61152b-0301-0010-849f-839fec3771f3
LO Extraction
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/f83be790-0201-0010-4fb0-98bd7c01e328
Check these links:
/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
/people/sap.user72/blog/2005/02/14/logistic-cockpit--when-you-need-more--first-option-enhance-it
/people/sap.user72/blog/2005/04/19/logistic-cockpit-a-new-deal-overshadowed-by-the-old-fashioned-lis
Re: LO-Cockpit V1 and V2 update
Also Refer this link:
http://www.sap-img.com/business/lo-cockpit-step-by-step.htm
FI-CO 'Data Extraction -Line Item Level-FI-CO
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/a7f2f294-0501-0010-11bb-80e0d67c3e4a
FI-GL
http://help.sap.com/saphelp_nw04/helpdata/en/c9/fe943b2bcbd11ee10000000a114084/frameset.htm
http://help.sap.com/saphelp_470/helpdata/en/e1/8e51341a06084de10000009b38f83b/frameset.htm
http://www.sapgenie.com/sapfunc/fi.htm
FI-SL
http://help.sap.com/saphelp_nw2004s/helpdata/en/28/5ccfbb45b01140a3b59298c267604f/frameset.htm
http://help.sap.com/saphelp_erp2005/helpdata/en/41/65be27836d300ae10000000a114b54/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/ee/cd143c5db89b00e10000000a114084/frameset.htm
Please reward for the same.

Reg Generic Extraction

Hi Gurus,
Can any one explain me about generic extraction like,
1) when we go for Generic extraction
2) what is the business scenario
3) generic delta
Please explain me with step by step by choosing some data fields as example for this. One request, plz don't send sap help file as i have it. If any one have screen shots for this plz send me.
Thanks in advance.
Regards
K.M.Reddy

hi,
we go for generic extraxctor when standard cube or datasource do not suite the
requirement.
for eg in satandard sd datasource donot have the field we require then we
go for generic datasource.
if standard datasource do not have shipping point field in datasource then we
can either append the structure or go for generic datasource.
for generic delta refer link.
http://help.sap.com/saphelp_nw04s/helpdata/en/37/4f3ca8b672a34082ab3085d3c22145/frameset.htm
regards
pls assign points if helpful.

LIS and Generic Extraction

Hi All,
Could someone please send me some information regarding LIS extraction and Generic extraction.
Thanks in advance,
Sekhar

Hi Sekhar,
Please do check the link for step by step for generic xtraction
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/84bf4d68-0601-0010-13b5-b062adbb3e33
check the following
http://help.sap.com/bp_biv235/BI_EN/html/bw.htm
business content
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/biw/g-i/how%20to%20co-pa%20extraction%203.0x
https://websmp203.sap-ag.de/co
http://help.sap.com/saphelp_nw04/helpdata/en/37/5fb13cd0500255e10000000a114084/frameset.htm
(navigate with expand left nodes)
also co-pa
http://help.sap.com/saphelp_nw04/helpdata/en/53/c1143c26b8bc00e10000000a114084/frameset.htm
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/fb07ab90-0201-0010-c489-d527d39cc0c6
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/1910ab90-0201-0010-eea3-c4ac84080806
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/ff61152b-0301-0010-849f-839fec3771f3
LO Extraction
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/f83be790-0201-0010-4fb0-98bd7c01e328
Check these links:
/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
/people/sap.user72/blog/2005/02/14/logistic-cockpit--when-you-need-more--first-option-enhance-it
/people/sap.user72/blog/2005/04/19/logistic-cockpit-a-new-deal-overshadowed-by-the-old-fashioned-lis
Re: LO-Cockpit V1 and V2 update
Also Refer this link:
http://www.sap-img.com/business/lo-cockpit-step-by-step.htm
FI-CO 'Data Extraction -Line Item Level-FI-CO
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/a7f2f294-0501-0010-11bb-80e0d67c3e4a
FI-GL
http://help.sap.com/saphelp_nw04/helpdata/en/c9/fe943b2bcbd11ee10000000a114084/frameset.htm
http://help.sap.com/saphelp_470/helpdata/en/e1/8e51341a06084de10000009b38f83b/frameset.htm
http://www.sapgenie.com/sapfunc/fi.htm
FI-SL
http://help.sap.com/saphelp_nw2004s/helpdata/en/28/5ccfbb45b01140a3b59298c267604f/frameset.htm
http://help.sap.com/saphelp_erp2005/helpdata/en/41/65be27836d300ae10000000a114b54/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/ee/cd143c5db89b00e10000000a114084/frameset.htm
How to do basic LO extraction for SAP-R3-BW
1. Go to transaction code RSA3 and see if any data is available related to your DataSource. If data is there in RSA3 then go to transaction code LBWG (Delete Setup data) and delete the data by entering the application name.
2. Go to transaction SBIW --> Settings for Application Specific Datasource --> Logistics --> Managing extract structures --> Initialization --> Filling the Setup table --> Application specific setup of statistical data --> perform setup (relevant application)
3. In OLI*** (for example OLI7BW for Statistical setup for old documents : Orders) give the name of the run and execute. Now all the available records from R/3 will be loaded to setup tables.
4. Go to transaction RSA3 and check the data.
5. Go to transaction LBWE and make sure the update mode for the corresponding DataSource is serialized V3 update.
6. Go to BW system and create infopackage and under the update tab select the initialize delta process. And schedule the package. Now all the data available in the setup tables are now loaded into the data target.
7.Now for the delta records go to LBWE in R/3 and change the update mode for the corresponding DataSource to Direct/Queue delta. By doing this record will bypass SM13 and directly go to RSA7. Go to transaction code RSA7 there you can see green light # Once the new records are added immediately you can see the record in RSA7.
8.Go to BW system and create a new infopackage for delta loads. Double click on new infopackage. Under update tab you can see the delta update radio button.
9.Now you can go to your data target and see the delta record.
find your scenario and find what data sources do you need on R3 side and ensure they are active as well:
http://help.sap.com/saphelp_nw04/helpdata/en/37/5fb13cd0500255e10000000a114084/frameset.htm
find your scenario -> data sources -> go to R3 -> sbiw and activate required data source
replicate data sources in BW:
RSA1 -> source systems -> right click on your source system -> replicate
then activate your BC:
service.sap.com/bi -> BI Business Content -> General Information -> SAP BW Business Content - Activation
and execute infopackage (it should be delivered with BC)
Useful links:
http://help.sap.com/saphelp_nw04/helpdata/en/e3/e60138fede083de10000009b38f8cf/frameset.htm
service.sap.com/bi -> BI InfoIndex
sdn.sap.com -> Business Information Warehouse -> How-To guides (under Quick Links)
Hope This Helps.
****Assign Points If Helpful****
Regards,
Ravikanth

Generic extraction -Infoset

Hello Gurus,
I searched a lot on this but could not find Why and when we do we use Infoset for Generic extraction?
when i searched the SDN they give info about why a Table/View and Function Module is used but not on Infoset.
Any document is helpful with a scenario.
I am asking this query after lot of research itself.
I read the help and could not understand why joins in Infoset.
Thanks,
Sahasra.

Hi Sahasra,
Go through the below thread and article, you will get clear idea on when to create and how to to create generic data source using Infoset query
when we would create genric extractor on a infoset query
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/9018e4f3-5537-2e10-238e-ef06d9ab31e8?QuickLink=index&overridelayout=true
Regards,
Venkatesh

Displaying Application is specified in Generic Extraction

Hi All,
I am working on Generic Extraction,
I had created ZMASTER in SE11 and in next screen I entered 2 fields 1 is MATNO and MATNAME,
and I had assigned MATNO as Primary Key and Inti option, while I am entering ZMATNO and activating it is displaying Application is not specified
What does that mean, I tried in several ways but result has not come
2) when I click F4 at Dataelemts it is leading to Varient screen and asking to assign or create a variant(thugh I created its not getting activated my cretaed fields
Pls tell me the scenario or any other methods and about the VARIENT
i just want to create some fields and enter data manually
Thanks for the friends who is going to help me in it
Mohhan

Hi Mohhan..........
U r trying to create a table ZMASTERt..............In that table u are using two fields......MATNO and MATNAME.........right?.......
Then where did u get this ZMATNO...............did u want to create field also...............?
Look........we can create field....................Domain ...........as well as Data element......but for that u hav to use the correct sequesnce............
First u hav to create a Domain.......assign the Domain to a Data element............then u hav to create a field.........and assign this Data element in to that field...........then athe u can use this field to create a table............u can use an existing Domain also........and using it create a field............that is also possible..........I think u r doing something wrong........
Field,Domain...........u can create these in SE11........
Regards,
Debjani.........

Reagrding Generic Extraction Delta

hai
Can anyone explain in detail with example or reak time scenarios about "Generic delta extraction for '0calday'" , "Generic Delta extraction for Numaric Pointer" , "Generic Delta extraction for timestamp" individually ..
Please also send some documents or forums or weblog or screen shots to [email protected] now
Thanks
Bye
mohammed

Dear shylaja,
can you please send the documents related to generic extraction to [email protected] &/ to [email protected] ?
hope you will help.
Waiting for your reply.
Regards
Vinay

Generic Extraction with RDA

Hi,
What scenarios you use RDA when you are extracting data from Generic Extraction among table, view, FM, or SAP Query. Could you please explain with your experiences with examples.
Regards,

I got your question .
There are datasources delivered by SAP and those cab be used by for doing the RDA .
The way to check which datasource are RDA enabled .
1. Go to Se11 . Tabele name - ROOSOURCE
2. Give the name of the datasource and see the value in REALTIME . if it supports the box you fill find
filled in the table entries /
You use real-time data acquisition if you want to transfer data to BI at frequent
intervals (every hour or minute) and access this data in reporting frequently or
regularly (several times a day, at least). The DataSource has to support real-time
data acquisition. The option to support real-time data acquisition is a property of
a DataSource.
DataSources that are released for real-time data acquisition cannot be
used for standard data transfer (scheduled staging).
Rest i am not sure we can create a generic data source and make that RDA enabled .
Assign marks is the best way to appreciate help

Urgent: Problems in Generic Extraction by Function Module

Hi BW Gurus,
I am new to SDN and also new to generic extraction using function module. My requirement is to extract long text(142 char) from CRM to BW as the text is not stored in database table I used function module read_text with in another ZXXX function module copy of (RSAX_BIW_GET_DATA_SIMPLE). In my extract structure I used GUID(char,32), Langu, long text(142 char) and 2 placeholders. Text can be extracted by passing STXH table fields(Tdname, Tdid, Tdobject, Tdspars) to read_text as parameters and i also need to use CRMD_ORDERADM_H field GUID(32 char) to compare 1st 32 chars of tdname(70 char) with Guid to select Guids and loop thru this Guids and for each Guid i need to append lines of text to e_t_data but as i donot know ABAP i unable to write the code for this. Through my friends help i wrote code when i check in RSA3 it is displaying the text but when i replicate into BW and load into data target in monitor the status is red with records initially but afterwards it will be red status again with 0 from 0 records for initial load again.when i check on job logs the errors i have are:
The background job has created a job log file of 2Gb size and it is currently on a infinite loop writing entries into the SAP System Log that it cannot write to the Job log file due to Error 22 for write/read access to a file this is because of the datasource i have created. Please find my Function module and if anyone would please correct FM and send me that will be really great.I appreciate it in advance.
MY Function Module is:
FUNCTION Z_CRMORDERH_STR_TXT.
""Local Interface:
*" IMPORTING
*" VALUE(I_REQUNR) TYPE SRSC_S_IF_SIMPLE-REQUNR
*" VALUE(I_DSOURCE) TYPE SRSC_S_IF_SIMPLE-DSOURCE OPTIONAL
*" VALUE(I_MAXSIZE) TYPE SRSC_S_IF_SIMPLE-MAXSIZE OPTIONAL
*" VALUE(I_INITFLAG) TYPE SRSC_S_IF_SIMPLE-INITFLAG OPTIONAL
*" VALUE(I_READ_ONLY) TYPE SRSC_S_IF_SIMPLE-READONLY OPTIONAL
*" VALUE(I_REMOTE_CALL) TYPE SBIWA_FLAG DEFAULT SBIWA_C_FLAG_OFF
*" TABLES
*" I_T_SELECT TYPE SRSC_S_IF_SIMPLE-T_SELECT OPTIONAL
*" I_T_FIELDS TYPE SRSC_S_IF_SIMPLE-T_FIELDS OPTIONAL
*" E_T_DATA STRUCTURE YCRM_TEXT_STR OPTIONAL
*" EXCEPTIONS
*" NO_MORE_DATA
*" ERROR_PASSED_TO_MESS_HANDLER
***" EXCEPTIONS NO_MORE_DATA
*" ERROR_PASSED_TO_MESS_HANDLER
Tables: CRMD_ORDERADM_H, STXH.
Auxiliary Selection criteria structure
data: l_s_select type srsc_s_select.
Maximum number of lines for DB table
Statics: s_s_if type srsc_s_if_simple,
counter
 s_counter_datapakid like sy-tabix,
Cursor
 s_cursor type cursor.
data: i_crmtext type standard table of TLINE .
types: begin of xsreph ,
 GUID type CRMD_ORDERADM_H-guid,
 end of xsreph.
 data: i_guid type standard table of xsreph.
data: I_TEXT type STXH-TDNAME.
data: xempl like YCRM_TEXT_STR occurs 0 with header line.
data: t_tab like dd03l-tabname.
Select ranges
ranges: l_r_guid for CRMD_ORDERADM_H-guid.
 l_r_connid for sflight-connid.
Initialization mode (first call by SAPI) or data transfer mode
(following calls) ?
if i_initflag = sbiwa_c_flag_on.
Initialization: check input parameters
 buffer input parameters
 prepare data selection
Check DataSource validity
 case i_dsource.
 when 'yCRM_TEXT'. " for S_SREPH1
 when others.
 if 1 = 2. message e009(r3). endif.
this is a typical log call. Please write every error message like this
 log_write 'E' "message type
 'R3' "message class
 '009' "message number
 i_dsource "message variable 1
 ' '. "message variable 2
 raise error_passed_to_mess_handler.
 endcase.
 append lines of i_t_select to s_s_if-t_select.
Fill parameter buffer for data extraction calls
 s_s_if-requnr = i_requnr.
 s_s_if-dsource = i_dsource.
 s_s_if-maxsize = i_maxsize.
Fill field list table for an optimized select statement
(in case that there is no 1:1 relation between InfoSource fields
and database table fields this may be far from beeing trivial)
 append lines of i_t_fields to s_s_if-t_fields.
we will do our selection based on what is in the p table for the
infoobject
else. "Initialization mode or data extraction ?
Data transfer: First Call OPEN CURSOR + FETCH
 Following Calls FETCH only
First data package -> OPEN CURSOR
 if s_counter_datapakid = 0.
Fill range tables BW will only pass down simple selection criteria
of the type SIGN = 'I' and OPTION = 'EQ' or OPTION = 'BT'.
 LOOP AT S_S_IF-T_SELECT INTO L_S_SELECT WHERE FIELDNM = 'GUID'.
 MOVE-CORRESPONDING L_S_SELECT TO L_R_GUID.
 APPEND L_R_GUID.
 ENDLOOP.
 case i_dsource.
 when 'YCRM_TEXT'. " for S_SREPH1
 t_tab = 'CRMD_ORDERADM_H'.
 endcase.
 select GUID
 from (t_tab)
 into table i_guid where PROCESS_TYPE = 'ZACI' and ( OBJECT_ID < '0000000042').
 select tdname from stxh into i_text where tdobject = 'TEXT'.
 if sy-subrc ne 0.
 message e009(r3).
this is a typical log call. Please write every error message like this
 log_write 'E' "message type
 'R3' "message class
 '009' "message number
 i_dsource "message variable 1
 'No master data found'. "message variable 2
 raise error_passed_to_mess_handler.
 endif.
Determine number of database records to be read per FETCH statement
from input parameter I_MAXSIZE. If there is a one to one relation
between DataSource table lines and database entries, this is trivial.
In other cases, it may be impossible and some estimated value has to
be determined.
 open cursor with hold s_cursor for
 select (s_s_if-t_fields) from CRMD_ORDERADM_H
 where GUID in L_R_GUID .
 ENDIF.
Fetch records into interface table.
named E_T_'Name of extract structure'.
 fetch next cursor s_cursor
 appending corresponding fields
 of table e_t_data
 package size s_s_if-maxsize.
 IF SY-SUBRC <> 0.
 CLOSE CURSOR S_CURSOR.
 RAISE NO_MORE_DATA.
 ENDIF.
as we are doing this only once can use the select statement.
***data: crmtext like tline occurs 0 with header line.
**data: i_crmtext type standard table of TLINE.
**data: i_guid type standard table of xsreph.
data: l_guid type THEAD-TDNAME.
data: st_guid type xsreph.
data: st_crmtext type TLINE.
data: lan type THEAD-TDSPRAS.
lan = 'E'.
loop at i_guid into st_guid.
l_guid = st_guid-guid.
CALL FUNCTION 'READ_TEXT'
 EXPORTING
 CLIENT = SY-MANDT
 ID = 'A002'
 LANGUAGE = lan
 NAME = l_guid
 OBJECT = 'CRM_ORDERH'
 ARCHIVE_HANDLE = 0
 LOCAL_CAT = ' '
IMPORTING
 HEADER =
 TABLES
 LINES = i_crmtext.
EXCEPTIONS
 ID = 1
 LANGUAGE = 2
 NAME = 3
 NOT_FOUND = 4
 OBJECT = 5
 REFERENCE_CHECK = 6
 WRONG_ACCESS_TO_ARCHIVE = 7
 OTHERS = 8
e_t_data-guid = l_guid.
loop at i_crmtext into st_crmtext.
move lan to e_t_data-langu.
move st_crmtext-tdline to e_t_data-description.
append e_t_data.
endif.
endloop.
clear: st_guid,l_guid.
refresh: i_crmtext.
endloop.
S_COUNTER_DATAPAKID = S_COUNTER_DATAPAKID + 1.
endif.
ENDFUNCTION.
please Gurus as I donot know ABAP i appreciate if anyone would write a FM based on requirement and send me that will be really great this is my request. I gurantee of award points for good answers.
Regards
Kishore

Hi,
The statement RAISE NO_MORE_DATA should be active (uncommented) in your code. Otherwise, the infinte loop occurs.
See also, the Siggi's blog:
/people/siegfried.szameitat/blog/2005/09/29/generic-extraction-via-function-module
BTW, was it your thread here:
Re: Urgent: problems in extracting Long Text
Best regards,
Eugene

Generic Extraction (or) How to use table in R/3 system as datasource in BW?

Hi all,
Hope all are having a great day
Can any1 tell me the steps, for Generic Extraction.
It will be very helpful, if the steps are as much as simpler as posible.
I know to create a simple cube in BW.
I have this much knowledge, depending on this can any1 tell me the steps for Generic Extraction from R/3.
examples wud be vry useful
Regards,
Sourav

hi,
Maintaining Generic DataSources
Use
Independently of application, you can create and maintain generic DataSources for transaction data, master data attributes or texts from any kinds of transparent tables, database views, InfoSets of the SAP query or using a function module. As a result, you can make use of the generic extraction of data.
Procedure
Creating a Generic DataSource(RSO2)
       1.      Select the DataSource type and give it a technical name.
       2.      Choose Create.
The creating a generic DataSource screen appears.
       3.      Choose an application component to which the DataSource is to be assigned.
       4.      Enter the descriptive texts. You can choose any text.
       5.      Choose from which datasets the generic DataSource is to be filled.
                            a.      Choose Extraction from View, if you want to extract data from a transparent table or a database view. Enter the name of the table or the database view.
After generation, you get a DataSource whose extract structure is congruent with the database view or the transparent table view.
For more information about creating and maintaining database views and tables, see the ABAP Dictionary Documentation.
                            b.      Choose Extraction from Query, if you want to use a SAP query InfoSet as the data source. Select the required InfoSet from the InfoSet catalog.
Notes on Extraction Using SAP Query
After generation, you now have a DataSource whose extract structure matches the InfoSet.
For more information about maintaining the InfoSet, see the System Administration documentation.
                            c.      Choose Extraction using FM, if you want to extract data using a function module. Enter the function module and extract structure.
The data must be transferred by the function module in an interface table E_T_DATA.
Interface Description and Extraction Process Flow
For information about the function library, see the ABAP Workbench: Tools documentation.
                            d.      With texts, you also have the option of extraction from domain fixed values.
       6.      Maintain the settings for delta transfer where appropriate.
       7.      Choose Save.
When extracting, look at SAP Query: Assigning to a User Group.
Note when extracting from a transparent table or view:
If the extract structure contains a key figure field, that references to a unit of measure or currency unit field, this unit field must appear in the same extract structure as the key figure field.
A screen appears in which you can edit the fields of the extract structure.
       8.      Editing the DataSource:
        Selection
When scheduling a data request in the BW Scheduler, you can enter the selection criteria for the data transfer. For example, you may want to determine that data requests are only to apply to data from the previous month.
If you set the Selection indicator for a field within the extract structure, the data for this field is transferred in correspondence with the selection criteria in the scheduler.
        Hide field
You should set this indicator to exclude an extract structure field from the data transfer. As a result of your action, the field is no longer made available in BW when setting the transfer rules and generating the transfer structure.
        Inversion
Reverse postings are possible for customer-defined key figures. For this reason, inversion is only possible for certain transaction data DataSources. These include DataSources that have a field that is indicated as an inversion field, for example, the field update mode in the DataSource 0FI_AP_3. If this field has a value, then the data records are interpreted as reverse records in BW.
Set the Inversion indicator if you want to carry out a reverse posting for a customer-defined field (key figure). The value of the key figure is then transferred in inverted form (multiplied by 1) into BW.
        Field only known in exit
You can enhance data by extending the extract structure for a DataSource using fields in append structures.
The indicator Field only known in Exit is set for fields of an append structure. In other words, by default these fields are not passed onto the extractor from the field list and selection table.
Deselect the indicator Field Only Known in Exit to enable the Service API to pass on the append structure field to the extractor together with the fields of the delivered extract structures in the field list as well as in the selection table.
9. Choose DataSource ® Generate.
The DataSource is now saved in the source system.
Maintaining Generic DataSources
        Change the DataSource
To change a generic DataSource, in the initial screen of DataSource maintenance, enter the name of the DataSource and choose Change.
You can change the assignment of a DataSource to an application component as well as the texts of a DataSource. Double-clicking on the name of the table, view, InfoSet or extract structure takes you to the appropriate maintenance screen. Here you can make changes required to add new fields. You can fully swap transparent tables and database views, but not InfoSets. If you return to the DataSource maintenance and choose Create, the screen for editing a DataSource appears. To save the DataSource in the SAP source system, choose DataSource ® Generate.
If you want to test extraction in the source system independently of a BW system, choose DataSource ® Test Extraction.
        Delta DataSource
In the Change Generic DataSource screen, you can delete any DataSources that are no longer relevant. If you are extracting data from an InfoSet, delete the associated query. If you want to delete a DataSource, this must not be connected to a BW system.
For more information about extracting using SAP Query, see Extraction using the SAP Query.
hope this helps.
assign point if so
partha

Generic Extraction scenario

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