ABAP Select data from SAP table RJGAU_MKP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RJGAU_MKP table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to RJGAU_MKP. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the RJGAU_MKP table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_RJGAU_MKP TYPE STANDARD TABLE OF RJGAU_MKP,
      WA_RJGAU_MKP TYPE RJGAU_MKP,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <RJGAU_MKP> TYPE RJGAU_MKP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RJGAU_MKP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RJGAU_MKP
  INTO TABLE IT_RJGAU_MKP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJGAU_MKP
*  INTO TABLE @DATA(IT_RJGAU_MKP2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_RJGAU_MKP INDEX 1 INTO DATA(WA_RJGAU_MKP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RJGAU_MKP ASSIGNING <RJGAU_MKP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJGAU_MKP>-XNK = 1.
<RJGAU_MKP>-KUKARR = 1.
<RJGAU_MKP>-KONKAUS = 1.
<RJGAU_MKP>-MK_XAGEN = 1.
<RJGAU_MKP>-MK_XSTR = 1.

ENDLOOP.

LOOP AT IT_RJGAU_MKP INTO WA_RJGAU_MKP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJGAU_MKP-MK_XPLAN, sy-vline,
  WA_RJGAU_MKP-MK_XART, sy-vline,
  WA_RJGAU_MKP-MK_ABRKAG, sy-vline,
  WA_RJGAU_MKP-MKAGEN_GRU, sy-vline,
  WA_RJGAU_MKP-AE, sy-vline,
  WA_RJGAU_MKP-MK_DUB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJGAU_MKP you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_RJGAU_MKP TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_RJGAU_MKP INTO WA_RJGAU_MKP.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field KUKARR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-KUKARR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-KUKARR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MKAGEN_GRU
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-MKAGEN_GRU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-MKAGEN_GRU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MK_BON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-MK_BON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-MK_BON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field K_ANZ_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-K_ANZ_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-K_ANZ_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field K_DL_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-K_DL_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-K_DL_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field K_SI_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-K_SI_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-K_SI_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field K_VER_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-K_VER_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-K_VER_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field K_WSP_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-K_WSP_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-K_WSP_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_5
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_5.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_5
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_5.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_6
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_6
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_6.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_6
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_6
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_6.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_1_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_1_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_1_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_1_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_1_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_1_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_2_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_2_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_2_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_2_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_2_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_2_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_3_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_3_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_3_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_3_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_3_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_3_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_4_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_4_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_4_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_4_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_4_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_4_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_5_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_5_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_5_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_5_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_5_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_5_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_6_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_6_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_6_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_6_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_6_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_6_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_1_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_1_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_1_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_1_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_1_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_1_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_2_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_2_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_2_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_2_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_2_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_2_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_3_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_3_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_3_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_3_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_3_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_3_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_4_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_4_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_4_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_4_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_4_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_4_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_5_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_5_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_5_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_5_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_5_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_5_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_6_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_6_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_6_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_6_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_6_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_6_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_1_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_1_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_1_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_1_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_1_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_1_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_2_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_2_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_2_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_2_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_2_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_2_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_3_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_3_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_3_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_3_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_3_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_3_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_4_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_4_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_4_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_4_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_4_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_4_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_5_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_5_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_5_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_5_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_5_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_5_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSERE_6_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-INSERE_6_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-INSERE_6_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEIN_6_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJGAU_MKP-BELEIN_6_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJGAU_MKP-BELEIN_6_3.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RJGAU_MKP_STR, 
XNK TYPE STRING,
KUKARR TYPE STRING,
KONKAUS TYPE STRING,
MK_XAGEN TYPE STRING,
MK_XSTR TYPE STRING,
MK_XPLAN TYPE STRING,
MK_XART TYPE STRING,
MK_ABRKAG TYPE STRING,
MKAGEN_GRU TYPE STRING,
AE TYPE STRING,
MK_DUB TYPE STRING,
MK_BON TYPE STRING,
XMAN TYPE STRING,
ZTEGR TYPE STRING,
TOL TYPE STRING,
RE_STELL TYPE STRING,
DRSTS TYPE STRING,
XORTSPR TYPE STRING,
VKBOF TYPE STRING,
BLART TYPE STRING,
BLANZ TYPE STRING,
ZLSCHB TYPE STRING,
K_ANZ TYPE STRING,
K_ANZ_ME TYPE STRING,
K_DL TYPE STRING,
K_DL_ME TYPE STRING,
K_SI TYPE STRING,
K_SI_ME TYPE STRING,
K_VER TYPE STRING,
K_VER_ME TYPE STRING,
K_WSP TYPE STRING,
K_WSP_ME TYPE STRING,
XABSCHL TYPE STRING,
ABE TYPE STRING,
MAX_UNT TYPE STRING,
MAX_RDAT TYPE STRING,
MENGA TYPE STRING,
ARAB TYPE STRING,
RABA TYPE STRING,
RABSPERR TYPE STRING,
RANPASS TYPE STRING,
RANPASSL TYPE STRING,
QABR TYPE STRING,
B_AUSR TYPE STRING,
E_AUSR TYPE STRING,
REG_DAU TYPE STRING,
AB_TOL TYPE STRING,
ZLSCHA TYPE STRING,
FAKSA TYPE STRING,
EABR_NACHL TYPE STRING,
BEST_PR TYPE STRING,
PAR_ABS TYPE STRING,
AB_VOR TYPE STRING,
TO_WARN TYPE STRING,
MIN_GUT TYPE STRING,
MIN_LAST TYPE STRING,
INSERE_1 TYPE STRING,
BELEIN_1 TYPE STRING,
INSERE_2 TYPE STRING,
BELEIN_2 TYPE STRING,
INSERE_3 TYPE STRING,
BELEIN_3 TYPE STRING,
INSERE_4 TYPE STRING,
BELEIN_4 TYPE STRING,
INSERE_5 TYPE STRING,
BELEIN_5 TYPE STRING,
INSERE_6 TYPE STRING,
BELEIN_6 TYPE STRING,
INSERE_1_1 TYPE STRING,
BELEIN_1_1 TYPE STRING,
INSERE_2_1 TYPE STRING,
BELEIN_2_1 TYPE STRING,
INSERE_3_1 TYPE STRING,
BELEIN_3_1 TYPE STRING,
INSERE_4_1 TYPE STRING,
BELEIN_4_1 TYPE STRING,
INSERE_5_1 TYPE STRING,
BELEIN_5_1 TYPE STRING,
INSERE_6_1 TYPE STRING,
BELEIN_6_1 TYPE STRING,
INSERE_1_2 TYPE STRING,
BELEIN_1_2 TYPE STRING,
INSERE_2_2 TYPE STRING,
BELEIN_2_2 TYPE STRING,
INSERE_3_2 TYPE STRING,
BELEIN_3_2 TYPE STRING,
INSERE_4_2 TYPE STRING,
BELEIN_4_2 TYPE STRING,
INSERE_5_2 TYPE STRING,
BELEIN_5_2 TYPE STRING,
INSERE_6_2 TYPE STRING,
BELEIN_6_2 TYPE STRING,
INSERE_1_3 TYPE STRING,
BELEIN_1_3 TYPE STRING,
INSERE_2_3 TYPE STRING,
BELEIN_2_3 TYPE STRING,
INSERE_3_3 TYPE STRING,
BELEIN_3_3 TYPE STRING,
INSERE_4_3 TYPE STRING,
BELEIN_4_3 TYPE STRING,
INSERE_5_3 TYPE STRING,
BELEIN_5_3 TYPE STRING,
INSERE_6_3 TYPE STRING,
BELEIN_6_3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJGAU_MKP_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_RJGAU_MKP_STR-XNK sy-vline 
WA_RJGAU_MKP_STR-KUKARR sy-vline 
WA_RJGAU_MKP_STR-KONKAUS sy-vline 
WA_RJGAU_MKP_STR-MK_XAGEN sy-vline 
WA_RJGAU_MKP_STR-MK_XSTR sy-vline 
WA_RJGAU_MKP_STR-MK_XPLAN sy-vline 
WA_RJGAU_MKP_STR-MK_XART sy-vline 
WA_RJGAU_MKP_STR-MK_ABRKAG sy-vline 
WA_RJGAU_MKP_STR-MKAGEN_GRU sy-vline 
WA_RJGAU_MKP_STR-AE sy-vline 
WA_RJGAU_MKP_STR-MK_DUB sy-vline 
WA_RJGAU_MKP_STR-MK_BON sy-vline 
WA_RJGAU_MKP_STR-XMAN sy-vline 
WA_RJGAU_MKP_STR-ZTEGR sy-vline 
WA_RJGAU_MKP_STR-TOL sy-vline 
WA_RJGAU_MKP_STR-RE_STELL sy-vline 
WA_RJGAU_MKP_STR-DRSTS sy-vline 
WA_RJGAU_MKP_STR-XORTSPR sy-vline 
WA_RJGAU_MKP_STR-VKBOF sy-vline 
WA_RJGAU_MKP_STR-BLART sy-vline 
WA_RJGAU_MKP_STR-BLANZ sy-vline 
WA_RJGAU_MKP_STR-ZLSCHB sy-vline 
WA_RJGAU_MKP_STR-K_ANZ sy-vline 
WA_RJGAU_MKP_STR-K_ANZ_ME sy-vline 
WA_RJGAU_MKP_STR-K_DL sy-vline 
WA_RJGAU_MKP_STR-K_DL_ME sy-vline 
WA_RJGAU_MKP_STR-K_SI sy-vline 
WA_RJGAU_MKP_STR-K_SI_ME sy-vline 
WA_RJGAU_MKP_STR-K_VER sy-vline 
WA_RJGAU_MKP_STR-K_VER_ME sy-vline 
WA_RJGAU_MKP_STR-K_WSP sy-vline 
WA_RJGAU_MKP_STR-K_WSP_ME sy-vline 
WA_RJGAU_MKP_STR-XABSCHL sy-vline 
WA_RJGAU_MKP_STR-ABE sy-vline 
WA_RJGAU_MKP_STR-MAX_UNT sy-vline 
WA_RJGAU_MKP_STR-MAX_RDAT sy-vline 
WA_RJGAU_MKP_STR-MENGA sy-vline 
WA_RJGAU_MKP_STR-ARAB sy-vline 
WA_RJGAU_MKP_STR-RABA sy-vline 
WA_RJGAU_MKP_STR-RABSPERR sy-vline 
WA_RJGAU_MKP_STR-RANPASS sy-vline 
WA_RJGAU_MKP_STR-RANPASSL sy-vline 
WA_RJGAU_MKP_STR-QABR sy-vline 
WA_RJGAU_MKP_STR-B_AUSR sy-vline 
WA_RJGAU_MKP_STR-E_AUSR sy-vline 
WA_RJGAU_MKP_STR-REG_DAU sy-vline 
WA_RJGAU_MKP_STR-AB_TOL sy-vline 
WA_RJGAU_MKP_STR-ZLSCHA sy-vline 
WA_RJGAU_MKP_STR-FAKSA sy-vline 
WA_RJGAU_MKP_STR-EABR_NACHL sy-vline 
WA_RJGAU_MKP_STR-BEST_PR sy-vline 
WA_RJGAU_MKP_STR-PAR_ABS sy-vline 
WA_RJGAU_MKP_STR-AB_VOR sy-vline 
WA_RJGAU_MKP_STR-TO_WARN sy-vline 
WA_RJGAU_MKP_STR-MIN_GUT sy-vline 
WA_RJGAU_MKP_STR-MIN_LAST sy-vline 
WA_RJGAU_MKP_STR-INSERE_1 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_1 sy-vline 
WA_RJGAU_MKP_STR-INSERE_2 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_2 sy-vline 
WA_RJGAU_MKP_STR-INSERE_3 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_3 sy-vline 
WA_RJGAU_MKP_STR-INSERE_4 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_4 sy-vline 
WA_RJGAU_MKP_STR-INSERE_5 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_5 sy-vline 
WA_RJGAU_MKP_STR-INSERE_6 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_6 sy-vline 
WA_RJGAU_MKP_STR-INSERE_1_1 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_1_1 sy-vline 
WA_RJGAU_MKP_STR-INSERE_2_1 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_2_1 sy-vline 
WA_RJGAU_MKP_STR-INSERE_3_1 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_3_1 sy-vline 
WA_RJGAU_MKP_STR-INSERE_4_1 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_4_1 sy-vline 
WA_RJGAU_MKP_STR-INSERE_5_1 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_5_1 sy-vline 
WA_RJGAU_MKP_STR-INSERE_6_1 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_6_1 sy-vline 
WA_RJGAU_MKP_STR-INSERE_1_2 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_1_2 sy-vline 
WA_RJGAU_MKP_STR-INSERE_2_2 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_2_2 sy-vline 
WA_RJGAU_MKP_STR-INSERE_3_2 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_3_2 sy-vline 
WA_RJGAU_MKP_STR-INSERE_4_2 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_4_2 sy-vline 
WA_RJGAU_MKP_STR-INSERE_5_2 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_5_2 sy-vline 
WA_RJGAU_MKP_STR-INSERE_6_2 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_6_2 sy-vline 
WA_RJGAU_MKP_STR-INSERE_1_3 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_1_3 sy-vline 
WA_RJGAU_MKP_STR-INSERE_2_3 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_2_3 sy-vline 
WA_RJGAU_MKP_STR-INSERE_3_3 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_3_3 sy-vline 
WA_RJGAU_MKP_STR-INSERE_4_3 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_4_3 sy-vline 
WA_RJGAU_MKP_STR-INSERE_5_3 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_5_3 sy-vline 
WA_RJGAU_MKP_STR-INSERE_6_3 sy-vline 
WA_RJGAU_MKP_STR-BELEIN_6_3 sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.