How to get the name of a Data Element of a generic Table!

Question

Hi guys!
In my function i have the following import paramenter
i_outtab type standard table
now i import a table and i want to get the dataelement of the fields.
is there a way to do this??

Answer 1

Hello Thomas
Perhaps the following sample report may be useful for you.
*& Report  ZUS_SDN_RTTI_STRUCT_COMPONENTS
*& <a class="jive_macro jive_macro_thread" href="" __jive_macro_name="thread" modifiedtitle="true" __default_attr="1145711"></a>
*& Thread: How to get the name of a Data Element of a generic Table!
REPORT  zus_sdn_rtti_struct_components.
TYPE-POOLS: abap.
TYPES: BEGIN OF ty_s_outtab.
TYPES: bukrs    TYPE bukrs.
TYPES: kunnr    TYPE kunnr.
TYPES: END OF ty_s_outtab.
DATA: gdo_data    TYPE REF TO data.
DATA: gs_outtab   TYPE ty_s_outtab.
DATA: go_typedescr  TYPE REF TO cl_abap_typedescr,
      go_structdescr  TYPE REF TO cl_abap_structdescr,
      go_datadescr    type ref to cl_abap_datadescr.
DATA: gs_comp        TYPE abap_compdescr,
      gd_dtel        type string,
      gt_dfies        type ddfields.
FIELD-SYMBOLS:
  <gs_struct> TYPE ANY.
START-OF-SELECTION.
  BREAK-POINT.
  GET REFERENCE OF gs_outtab INTO gdo_data.
  ASSIGN gdo_data->* TO <gs_struct>.
  go_typedescr = cl_abap_typedescr=>describe_by_data( <gs_struct> ).
  go_structdescr ?= go_typedescr.
  BREAK-POINT.
  LOOP AT go_structdescr->components INTO gs_comp.
    go_datadescr = GO_STRUCTDESCR->GET_COMPONENT_TYPE( gs_comp-name ).
    gd_dtel = go_datadescr->get_relative_name( ).
    write: / syst-tabix, 'Data element =', gd_dtel.
  ENDLOOP.
END-OF-SELECTION.
Regards
  Uwe