Test for Permitted Characters in Transformation Routine

Hello,
Background: There is a data quality issue when loading 3rd party data to BW, which cannot be solved at source. Therefore, initial transformation rules when loading to data warehouse level DSO, should identify and deal with error values.
Possible Solution: Test validity of value within transformation routine via a custom function module.
Execution: Function module would require to check lowercase character handling of target InfoObject (RSDCHABAS-LOWERCASE) and scan source value against permitted character set (RSKC).
Questions: How can the permitted list of characters be returned within transformation routine? Is there an available delivered function module to handle accessing permitted character set?
I would appreciate any answers to the above questions or alternative suggestions to the above strategy.
Thanks -
Brendan.

There is a function module "RSKC_ALLOWED_CHAR_GET". Use SE37 to check it out.

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Hi there,
You must be aware of start and end routine in a transformation.
Assumin that you would like to modify the code before sending it to individual( field wise transormation) transformation , you can write your code in start routine tab of the transformations.
Code written in Start routine in a transformation can manipulate the data data package wise..
say for eg if u need to fill the values in indivual routine then u can save all the values in an internal table ( say for eg ur itab) in the start routine and this data is available for u in the transformation routines.. so anything written in start rotuine shall work as global modification for the transformation routines.
Similarly code written in end rotuine shall work for chunk of data which is modified individually in transformation routine.
you ca go thr this link for more clarification
http://www.sdn.sap.com/irj/scn/index;jsessionid=(J2EE3417700)ID2067718350DB10090875593766856688End?rid=/library/uuid/609eea32-455e-2c10-c08a-c23adf8c934e&overridelayout=true
http://help.sap.com/saphelp_nw04/helpdata/en/4f/a9ea964a86b04dbe4df20af6e598cf/frameset.htm
Regards,
kk

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Here is my code which is not working:
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A similar code for item level block is working:
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Thanks
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Edited by: Jeff Edwards on Aug 17, 2008 10:34 PM

No luck.
Error analysis
    The following checkpoint group was used: "No checkpoint group specified"
    If in the ASSERT statement the addition FIELDS was used, you can find
    the content of the first 8 specified fields in the following overview:
    " (not used) "
    " (not used) "
    " (not used) "
    " (not used) "
    " (not used) "
    " (not used) "
    " (not used) "
    " (not used) "
ST22 / ABAP Editor :
*-- Get field name from source field with extern posit.
READ TABLE i_t_seg_source ASSIGNING <ls_s_seg_source>
    WITH KEY segid = i_segid.
ASSERT sy-subrc = 0.
IF sy-subrc = 0.
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> ASSERT sy-subrc = 0.
ENDIF.
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Hi dear experts,
i need a transformation routine which deletes the first 4 characters from a field type CHAR.
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j.

Hi,
You can try this in you routine:
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Rgs,
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Hey guys,
I am aware of Update rule routines but never done Transformation routine before. I didnt get any related post for my req.
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HI Gaurav,
The code which you have given does not specify the desired result which you want. Also one more thing you have written a code as follows:
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hi USER1249,
what about to use standard BW functionality - permitted characters - TA RSKC.
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CLASS routine DEFINITION.
PUBLIC SECTION.
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Exceptions in Substep: Rules
When I click on the button next to this text, it point me to my function module call.
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DATA:
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Aisha Ishrat
ICI Pakistan Ltd.

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best regards,
Kazmi

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Hi
How can I get the value of target field, which is already present, in the transformation routine?
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' E:Tables with headers are no longer supported in the OO context.'
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Regards,
Aisha Ishrat
ICI Pakistan Ltd.

Hi Al,
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3                        5
4                        1
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1                       1
When you read the second line your structure or work area contains the second line:
2                        3
so on.....
From the explaination above you must be clear that you need an internal table to store data temporarily and a structure to manipulate a single record. Now the cod would look like:
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Best regards,
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Currently we are encountering an error whereby the Exception 'CX_SY_NO_HANDLER' will be triggered whenever we call a Function Module inside a Transformation Routine in BI.
Previously, this FM was a Custom FM, but even after changing to a standard FM this error still happens.
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does SAP/BI allow calling an FM inside a Transformation Routine?
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If you don't transported to target clients.. you can compare and make the adjustments in dev
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Test for Permitted Characters in Transformation Routine

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