ABAP Select data from SAP table VKK_DUNN_PROGR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VKK_DUNN_PROGR 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 VKK_DUNN_PROGR. 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 VKK_DUNN_PROGR 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_VKK_DUNN_PROGR TYPE STANDARD TABLE OF VKK_DUNN_PROGR,
      WA_VKK_DUNN_PROGR TYPE VKK_DUNN_PROGR,
      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: <VKK_DUNN_PROGR> TYPE VKK_DUNN_PROGR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VKK_DUNN_PROGR
*  INTO TABLE @DATA(IT_VKK_DUNN_PROGR2).
*--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_VKK_DUNN_PROGR INDEX 1 INTO DATA(WA_VKK_DUNN_PROGR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VKK_DUNN_PROGR>-MANDT = 1.
<VKK_DUNN_PROGR>-LAUFD = 1.
<VKK_DUNN_PROGR>-LAUFI = 1.
<VKK_DUNN_PROGR>-GPART = 1.
<VKK_DUNN_PROGR>-VKONT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VKK_DUNN_PROGR-MAZAE, sy-vline,
  WA_VKK_DUNN_PROGR-AUSDT, sy-vline,
  WA_VKK_DUNN_PROGR-MDRKD, sy-vline,
  WA_VKK_DUNN_PROGR-MAHNV, sy-vline,
  WA_VKK_DUNN_PROGR-MGRUP, sy-vline,
  WA_VKK_DUNN_PROGR-VKONTGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VKK_DUNN_PROGR 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_VKK_DUNN_PROGR 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_VKK_DUNN_PROGR INTO WA_VKK_DUNN_PROGR.


*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 GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VKK_DUNN_PROGR-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VKK_DUNN_PROGR-GPART.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field VKNT1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VKK_DUNN_PROGR-VKNT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VKK_DUNN_PROGR-VKNT1.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field MG1BL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VKK_DUNN_PROGR-MG1BL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VKK_DUNN_PROGR-MG1BL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MG2BL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VKK_DUNN_PROGR-MG2BL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VKK_DUNN_PROGR-MG2BL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MG3BL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VKK_DUNN_PROGR-MG3BL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VKK_DUNN_PROGR-MG3BL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ISOLA, internal->external for field MSLANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_VKK_DUNN_PROGR-MSLANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VKK_DUNN_PROGR-MSLANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field MVLANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_VKK_DUNN_PROGR-MVLANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VKK_DUNN_PROGR-MVLANGU.
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_VKK_DUNN_PROGR_STR, 
MANDT TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
MAZAE TYPE STRING,
AUSDT TYPE STRING,
MDRKD TYPE STRING,
MAHNV TYPE STRING,
MGRUP TYPE STRING,
VKONTGRP TYPE STRING,
VTREFGRP TYPE STRING,
ITEMGRP TYPE STRING,
ITEMGRP_LAST TYPE STRING,
GRPFIELD TYPE STRING,
GRPFIELD_LAST TYPE STRING,
STRAT TYPE STRING,
STEP TYPE STRING,
STEP_LAST TYPE STRING,
STEP_REPLACED TYPE STRING,
STRAT_CHAMP TYPE STRING,
TESTS TYPE STRING,
LIMITED TYPE STRING,
RELEA TYPE STRING,
RELDATE TYPE STRING,
RELGROUP TYPE STRING,
NEXDT TYPE STRING,
OPBUK TYPE STRING,
STDBK TYPE STRING,
GSBER TYPE STRING,
SPART TYPE STRING,
VTREF TYPE STRING,
SUBAP TYPE STRING,
VKNT1 TYPE STRING,
ABWMA TYPE STRING,
MAHNS TYPE STRING,
MSTYP TYPE STRING,
WAERS TYPE STRING,
MSALM TYPE STRING,
MSALH TYPE STRING,
RSALM TYPE STRING,
CHGID TYPE STRING,
MGE1M TYPE STRING,
MG1BL TYPE STRING,
MG1TY TYPE STRING,
POST1 TYPE STRING,
MGE2M TYPE STRING,
MG2BL TYPE STRING,
MG2TY TYPE STRING,
POST2 TYPE STRING,
MGE3M TYPE STRING,
MG3BL TYPE STRING,
MG3TY TYPE STRING,
POST3 TYPE STRING,
MINTM TYPE STRING,
MIBEL TYPE STRING,
BONIT TYPE STRING,
XMSTO TYPE STRING,
NRZAS TYPE STRING,
XINFO TYPE STRING,
FRDAT TYPE STRING,
COKEY TYPE STRING,
XCOLL TYPE STRING,
RFZAS TYPE STRING,
TODAT TYPE STRING,
STAKZ TYPE STRING,
CHECKBOX TYPE STRING,
DEBT_SET_NUMBER TYPE STRING,
SUCPC TYPE STRING,
ABWTP TYPE STRING,
ABWBL TYPE STRING,
STUDT TYPE STRING,
SUCDT TYPE STRING,
SCDST TYPE STRING,
COLOGRP TYPE STRING,
FORMKEY TYPE STRING,
SCORE TYPE STRING,
RANK TYPE STRING,
MTEXT TYPE STRING,
MSLANGU TYPE STRING,
MVTXT TYPE STRING,
MVLANGU TYPE STRING,
XARCH TYPE STRING,
TOTAL_FEE TYPE STRING,
MAKOS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VKK_DUNN_PROGR_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_VKK_DUNN_PROGR_STR-MANDT sy-vline 
WA_VKK_DUNN_PROGR_STR-LAUFD sy-vline 
WA_VKK_DUNN_PROGR_STR-LAUFI sy-vline 
WA_VKK_DUNN_PROGR_STR-GPART sy-vline 
WA_VKK_DUNN_PROGR_STR-VKONT sy-vline 
WA_VKK_DUNN_PROGR_STR-MAZAE sy-vline 
WA_VKK_DUNN_PROGR_STR-AUSDT sy-vline 
WA_VKK_DUNN_PROGR_STR-MDRKD sy-vline 
WA_VKK_DUNN_PROGR_STR-MAHNV sy-vline 
WA_VKK_DUNN_PROGR_STR-MGRUP sy-vline 
WA_VKK_DUNN_PROGR_STR-VKONTGRP sy-vline 
WA_VKK_DUNN_PROGR_STR-VTREFGRP sy-vline 
WA_VKK_DUNN_PROGR_STR-ITEMGRP sy-vline 
WA_VKK_DUNN_PROGR_STR-ITEMGRP_LAST sy-vline 
WA_VKK_DUNN_PROGR_STR-GRPFIELD sy-vline 
WA_VKK_DUNN_PROGR_STR-GRPFIELD_LAST sy-vline 
WA_VKK_DUNN_PROGR_STR-STRAT sy-vline 
WA_VKK_DUNN_PROGR_STR-STEP sy-vline 
WA_VKK_DUNN_PROGR_STR-STEP_LAST sy-vline 
WA_VKK_DUNN_PROGR_STR-STEP_REPLACED sy-vline 
WA_VKK_DUNN_PROGR_STR-STRAT_CHAMP sy-vline 
WA_VKK_DUNN_PROGR_STR-TESTS sy-vline 
WA_VKK_DUNN_PROGR_STR-LIMITED sy-vline 
WA_VKK_DUNN_PROGR_STR-RELEA sy-vline 
WA_VKK_DUNN_PROGR_STR-RELDATE sy-vline 
WA_VKK_DUNN_PROGR_STR-RELGROUP sy-vline 
WA_VKK_DUNN_PROGR_STR-NEXDT sy-vline 
WA_VKK_DUNN_PROGR_STR-OPBUK sy-vline 
WA_VKK_DUNN_PROGR_STR-STDBK sy-vline 
WA_VKK_DUNN_PROGR_STR-GSBER sy-vline 
WA_VKK_DUNN_PROGR_STR-SPART sy-vline 
WA_VKK_DUNN_PROGR_STR-VTREF sy-vline 
WA_VKK_DUNN_PROGR_STR-SUBAP sy-vline 
WA_VKK_DUNN_PROGR_STR-VKNT1 sy-vline 
WA_VKK_DUNN_PROGR_STR-ABWMA sy-vline 
WA_VKK_DUNN_PROGR_STR-MAHNS sy-vline 
WA_VKK_DUNN_PROGR_STR-MSTYP sy-vline 
WA_VKK_DUNN_PROGR_STR-WAERS sy-vline 
WA_VKK_DUNN_PROGR_STR-MSALM sy-vline 
WA_VKK_DUNN_PROGR_STR-MSALH sy-vline 
WA_VKK_DUNN_PROGR_STR-RSALM sy-vline 
WA_VKK_DUNN_PROGR_STR-CHGID sy-vline 
WA_VKK_DUNN_PROGR_STR-MGE1M sy-vline 
WA_VKK_DUNN_PROGR_STR-MG1BL sy-vline 
WA_VKK_DUNN_PROGR_STR-MG1TY sy-vline 
WA_VKK_DUNN_PROGR_STR-POST1 sy-vline 
WA_VKK_DUNN_PROGR_STR-MGE2M sy-vline 
WA_VKK_DUNN_PROGR_STR-MG2BL sy-vline 
WA_VKK_DUNN_PROGR_STR-MG2TY sy-vline 
WA_VKK_DUNN_PROGR_STR-POST2 sy-vline 
WA_VKK_DUNN_PROGR_STR-MGE3M sy-vline 
WA_VKK_DUNN_PROGR_STR-MG3BL sy-vline 
WA_VKK_DUNN_PROGR_STR-MG3TY sy-vline 
WA_VKK_DUNN_PROGR_STR-POST3 sy-vline 
WA_VKK_DUNN_PROGR_STR-MINTM sy-vline 
WA_VKK_DUNN_PROGR_STR-MIBEL sy-vline 
WA_VKK_DUNN_PROGR_STR-BONIT sy-vline 
WA_VKK_DUNN_PROGR_STR-XMSTO sy-vline 
WA_VKK_DUNN_PROGR_STR-NRZAS sy-vline 
WA_VKK_DUNN_PROGR_STR-XINFO sy-vline 
WA_VKK_DUNN_PROGR_STR-FRDAT sy-vline 
WA_VKK_DUNN_PROGR_STR-COKEY sy-vline 
WA_VKK_DUNN_PROGR_STR-XCOLL sy-vline 
WA_VKK_DUNN_PROGR_STR-RFZAS sy-vline 
WA_VKK_DUNN_PROGR_STR-TODAT sy-vline 
WA_VKK_DUNN_PROGR_STR-STAKZ sy-vline 
WA_VKK_DUNN_PROGR_STR-CHECKBOX sy-vline 
WA_VKK_DUNN_PROGR_STR-DEBT_SET_NUMBER sy-vline 
WA_VKK_DUNN_PROGR_STR-SUCPC sy-vline 
WA_VKK_DUNN_PROGR_STR-ABWTP sy-vline 
WA_VKK_DUNN_PROGR_STR-ABWBL sy-vline 
WA_VKK_DUNN_PROGR_STR-STUDT sy-vline 
WA_VKK_DUNN_PROGR_STR-SUCDT sy-vline 
WA_VKK_DUNN_PROGR_STR-SCDST sy-vline 
WA_VKK_DUNN_PROGR_STR-COLOGRP sy-vline 
WA_VKK_DUNN_PROGR_STR-FORMKEY sy-vline 
WA_VKK_DUNN_PROGR_STR-SCORE sy-vline 
WA_VKK_DUNN_PROGR_STR-RANK sy-vline 
WA_VKK_DUNN_PROGR_STR-MTEXT sy-vline 
WA_VKK_DUNN_PROGR_STR-MSLANGU sy-vline 
WA_VKK_DUNN_PROGR_STR-MVTXT sy-vline 
WA_VKK_DUNN_PROGR_STR-MVLANGU sy-vline 
WA_VKK_DUNN_PROGR_STR-XARCH sy-vline 
WA_VKK_DUNN_PROGR_STR-TOTAL_FEE sy-vline 
WA_VKK_DUNN_PROGR_STR-MAKOS sy-vline      INTO ld_text SEPARATED BY SPACE.

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