Currency key missing and consequences in Generic extraction!
Hi,
I am creating datasource using view .
there are some fields in the view which were referenced to some other fields of same table!
that some fields are nothing but the currency fields and are refered to currency key fields.
But currency key was not included in the list of requirements for the view and if u do not include this currency key in the definition it will not allow you to activate the view!
what should i do now?
Raj
HI,
Even though it is not there in your requriement you must have to add currency / unit reference field in the view for keyfigures. Beacuse for each and every keyfigure will follow currency / unit value. Add Ref currency / unit field then activate.
Regards
Rajesh
Similar Messages
-
Currency type 10,30 and 00 need to extract data from R/3 to BI
Hi Experts,
I am working ECC6.0 version with BI 7.0,
I have a issue, when I extracting data from R/3 data source (0FI_AP_3) only currency type 10 comming but I need currency type 30 and 00 also....
when I check in data source abap code it was hard coaded with 10 currenly only,
can any help me to provide your inputs how currecy type 10, 30 and 00 also come to BI.
Regards,
VijayHi Vijay,
0FI_AP_3 is Account payable -Actual line item data source, which was used for fetch actual vendor posting data.
If you are looking for planning and budgeting data then you sud go for 0FI_AP_1 / 0FI_AP_6 / 0FI_AP_7 based on your requirement.
Kindly let me know if you have any question on this.
Regards,
Ashish -
Line items AND GENERIC EXTRACTION
what does line items exactly mean in DATASOURCES
AND WHAT ARE DELTA TYPE EXTRACTIONS IN GENERIC
TIME STAMPING
CALENDAR DAY
NUMERICAL POINTER
COULD ANY PLEASE EXPLAIN THE DIFFERNCE AND IN WHAT SCENARIOS WE USE IT ...
LOOKING FOR YOUR REPLYHi Guru,
Check below doc & thread for Line Item Dimension:
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/a7f2f294-0501-0010-11bb-80e0d67c3e4a
Line Item Dimenstion
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.
To have a clear idea:
1. If delta field is Date (Record Create Date or change date), then use Upper Limit of 1 day.
This will load Delta in BW as of yesterday. Leave Lower limit blank.
2. If delta field is Time Stamp, then use Upper Limit of equal to 1800 Seconds (30 minutes).
This will load Delta in BW as of 30 minutes old. Leave Lower limit blank.
3. If delta field is a Numeric Pointer i.e. generated record # like in GLPCA table, then use
Lower Limit. Use count 10-100. Leave upper limit blank. If value 10 is used then last 10
records will be loaded again. If a record is created when load was running, those records
may get lost. To prevent this situation, lower limit can be used to backup the starting
sequence number. This may result in some records being processed more than once.
Refer this link from help.sap.com
http://help.sap.com/saphelp_erp2005/helpdata/en/3f/548c9ec754ee4d90188a4f108e0121/frameset.htm
Difference between timestamp used in copa and generic data extraction?
COPA timestamps vs Generic timestamps
Check this doc for more info:
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/84bf4d68-0601-0010-13b5-b062adbb3e33
Hope these helps u...
Regards,
KK. -
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
RohithHi,
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] -
Any Orjinal SAP Reports which has currency field and currency key
Hi Friends,
I am looking for a report which has currency field and currency key at selection screen. I want to learn how SAP do selection with currency. Can you say a transaction deal with my desire?
Thanks.try report RFSSLD00
A. -
Generic extraction loading and performances issues
hi,
any one can give the details about the generic extraction loading as well as performance issues.
advance thanks
regards
praveenHi,
when there is no suitable business content datasource we go for creating generic data source.
by using generic data source we can extract data present in single or multiple tables.
If the data is present in the single table we go for generic data source extracting from table.
If the data that is to be extracted is present in multiple tables and the relation between the tables is one to one and if there is a common field in both the tables we create a view on these tables and create a generic data source extracting from view.
if you want to extract data from different tables and there is no common field we create a info set on these tables and create a generic datasource extracting from query.
if you want to extarc the data from different tables and the relation is one to many or many to many we create a generic data source from function module.
If we extarct from function module ,at run time it has to execute the code and brings the data to BW.so it degrades the loading performance.
regards, -
Customer and Generic extraction difference ?
Hi ya,
Could any body tell me the difference between the customer and Generic extractions.what are the extraction steps?
Regards.
HHi,
In Generic extraction we have to fetch the data from table/view/funtion module.T.code RSO2.
Replicate the data source in bw and send into data target through ods(recommandable).
In customized extraction sap provided LIS,LO-COCKPIT,CO-PA,FI-SL etc,in these sap provides extract stuructures.From the extract structures we have to fetch the data and replicate the data into bw and push into the data targets.
with regards,
HARI GUPTA -
Hi All,
Could someone please send me some information regarding LIS extraction and Generic extraction.
Thanks in advance,
SekharHi 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 -
When to go for generic extraction using view and infoset query?
Hi,
Can anyone clarify me when we should go for generic extraction using view and when we should go for generic extraction using infoset query....
Also what is the difference between view and infoset?
I tried but could not find out....
Regards,
Kalyani.Hi Kalyani,
We normally go for View or infoset when the data to be fetched in BW is distributed in different tables in SAP R/3.
Had the data been available in one table we can easily build our datasource on that table but if there are more tables then its not possible to do it without Views or Infosets. You can use Function Modules to build your datasource in case it involves complex logic to figure out the data from various tables.
Depending upon the table relationships we create view and include various fields from these tables in that view. Same is with the Infosets, you can have more flexible options like Outer Join, left outer Join etc.
Regards,
Pratap Sone -
Generic extraction using function module and view
hi every one ,
iam new to bw and can anyone plz tell me how to extract the data from R/3 to bw using generic extractor by creating function module and a view
thank u,
kishoreHi Kishore,
Check this blog:
/people/siegfried.szameitat/blog/2005/09/29/generic-extraction-via-function-module
Also Check this doc:
http://help.sap.com/saphelp_nw04/helpdata/en/3f/548c9ec754ee4d90188a4f108e0121/frameset.htm
Generic Extractors
Generic data sources
Generic DS
Bye
Dinesh -
After Image and Before image in case of Generic extraction
Hi Guru's,
Please explain the concept of the After image and before image wrt to Generic extraction.hi,
consider a record in data source suppose it is return to ods
now
materid matnme quantiy
1 tiles 20
another recored with the same charcteridti arrive in bw
i.e
1 tiles 78.
now rhe reault is
1 tiles 78(it is new image) for new image
1 tiles 20(before image)
1 tiles +58(additive image) for additive image. -
Difference between Generic extraction and Generic Delta
Hi Experts,
Pleasee give of some information below query:
1) Difference between Generic extraction and Generic Delta.
2) How to achieve Generic delta.
3) When we go for Generic delta instead of generic extraction.
Advance ThankU. Points vl be assigned.
Thanks,
Ragu.RHi,
Generic delta is the delta load done using Generic DS.
Generic extraction
Usage:
1. When the standard extractors are not supporting the extraction what you need. If SAP does not have a standard extractor for your need to get data from R3, you would have to go for generic extractor.
2. If you create a custom object say by combining certain base tables in R3 say custom tables ZTAB1 and ZTAB2. These two tables are not SAP provided tables and there will not be any standard extractors. So cases like this you will have to go for generic extractors.
How:
You have to use RSO2 transaction and you can also set delta based on, one of the three characteristics such as timestamp, calday or pointer (a sequence no).
once you create it and activate it. The extractor will be available in ROOSOURCE - (table in R3 where all the data sources are available).
Refer:
/people/siegfried.szameitat/blog/2005/09/29/generic-extraction-via-function-module
http://help.sap.com/saphelp_nw04/helpdata/en/3f/548c9ec754ee4d90188a4f108e0121/content.htm
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/84bf4d68-0601-0010-13b5-b062adbb3e33
Generic Extraction via Function Module
/people/siegfried.szameitat/blog/2005/09/29/generic-extraction-via-function-module
thanks,
JituK -
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,
Souravhi,
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 business Requirement, through function module,
Generic Extraction business Requirement, specifically through function module and source code in function module.
Dear Karthik,
Go to transaction SBIW -> Generic Datasource -> Maintain Generic Datasources -> Choose Master/Transaction Data -> Maintain proper entries (Application Component, Descriptions) -> Extraction by FM if you want to extract using FM.
Maintaining Generic DataSources - 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.
Creating a Generic DataSource
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.
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.
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.
Maintain the settings for delta transfer where appropriate.
7. Choose Save.
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.
Also visit :[Data Extraction from SAP Source System | http://help.sap.com/saphelp_nw04/helpdata/en/28/4c553c42360a40e10000000a114084/content.htm]
Regards,
Naveen. -
Hi all,
I would like to have some links r docs to mail about DB view extraction. I am stuck in it. I would like to know it from how to create a view and till how do i recognize a delta field in the given 2 tables.
my mail ID is [email protected]
Thanks and regards.hi pradeep,
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
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.
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