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[sap-abap] Internal Structure

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Question from Jessie on Sep 18 at 6:49 AM
Hi,
I defined a structure :

types: begin of TY_F,
first_colum LIKE marc-matnr,
second_colum LIKE marc-werks,
end of TY_F.
data T_F type table of TY_F.

And I would like to do something like "describe data" and get a table with
the fieldname, the table reference, the field reference :

- FIRST_COLUM / MARC / MATNR
- SECOND_COLUMN / MARC / WERKS

Is there any way to achieve this ?


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So far, with "cl_abap_typedescr" I get the keys (MATNR and WERKS) and the datatype/ length (C18 and C4)

But What I need is to know WHY it is C18 : it comes from MARC-MATNR

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Thanks
 
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