ABAP Select data from SAP table VBAKUK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VBAKUK
*  INTO TABLE @DATA(IT_VBAKUK2).
*--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_VBAKUK INDEX 1 INTO DATA(WA_VBAKUK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VBAKUK>-MANDT = 1.
<VBAKUK>-VBELN = 1.
<VBAKUK>-ERDAT = 1.
<VBAKUK>-ERZET = 1.
<VBAKUK>-ERNAM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VBAKUK-ANGDT, sy-vline,
  WA_VBAKUK-BNDDT, sy-vline,
  WA_VBAKUK-AUDAT, sy-vline,
  WA_VBAKUK-VBTYP, sy-vline,
  WA_VBAKUK-TRVOG, sy-vline,
  WA_VBAKUK-AUART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VBAKUK 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_VBAKUK 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_VBAKUK INTO WA_VBAKUK.


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

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_VBAKUK-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBAKUK-AUART.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field STAFO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VBAKUK-STAFO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBAKUK-STAFO.
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_VBAKUK_STR, 
MANDT TYPE STRING,
VBELN TYPE STRING,
ERDAT TYPE STRING,
ERZET TYPE STRING,
ERNAM TYPE STRING,
ANGDT TYPE STRING,
BNDDT TYPE STRING,
AUDAT TYPE STRING,
VBTYP TYPE STRING,
TRVOG TYPE STRING,
AUART TYPE STRING,
AUGRU TYPE STRING,
GWLDT TYPE STRING,
SUBMI TYPE STRING,
LIFSK TYPE STRING,
FAKSK TYPE STRING,
NETWR TYPE STRING,
WAERK TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKGRP TYPE STRING,
VKBUR TYPE STRING,
GSBER TYPE STRING,
GSKST TYPE STRING,
GUEBG TYPE STRING,
GUEEN TYPE STRING,
KNUMV TYPE STRING,
VDATU TYPE STRING,
VPRGR TYPE STRING,
AUTLF TYPE STRING,
VBKLA TYPE STRING,
VBKLT TYPE STRING,
KALSM TYPE STRING,
VSBED TYPE STRING,
FKARA TYPE STRING,
AWAHR TYPE STRING,
KTEXT TYPE STRING,
BSTNK TYPE STRING,
BSARK TYPE STRING,
BSTDK TYPE STRING,
BSTZD TYPE STRING,
IHREZ TYPE STRING,
BNAME TYPE STRING,
TELF1 TYPE STRING,
MAHZA TYPE STRING,
MAHDT TYPE STRING,
KUNNR TYPE STRING,
KOSTL TYPE STRING,
STAFO TYPE STRING,
RFSTK TYPE STRING,
RFGSK TYPE STRING,
BESTK TYPE STRING,
LFSTK TYPE STRING,
LFGSK TYPE STRING,
FKSAK TYPE STRING,
ABSTK TYPE STRING,
GBSTK TYPE STRING,
UVALS TYPE STRING,
UVVLS TYPE STRING,
UVFAS TYPE STRING,
UVALL TYPE STRING,
UVVLK TYPE STRING,
UVFAK TYPE STRING,
UVPRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VBAKUK_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_VBAKUK_STR-MANDT sy-vline 
WA_VBAKUK_STR-VBELN sy-vline 
WA_VBAKUK_STR-ERDAT sy-vline 
WA_VBAKUK_STR-ERZET sy-vline 
WA_VBAKUK_STR-ERNAM sy-vline 
WA_VBAKUK_STR-ANGDT sy-vline 
WA_VBAKUK_STR-BNDDT sy-vline 
WA_VBAKUK_STR-AUDAT sy-vline 
WA_VBAKUK_STR-VBTYP sy-vline 
WA_VBAKUK_STR-TRVOG sy-vline 
WA_VBAKUK_STR-AUART sy-vline 
WA_VBAKUK_STR-AUGRU sy-vline 
WA_VBAKUK_STR-GWLDT sy-vline 
WA_VBAKUK_STR-SUBMI sy-vline 
WA_VBAKUK_STR-LIFSK sy-vline 
WA_VBAKUK_STR-FAKSK sy-vline 
WA_VBAKUK_STR-NETWR sy-vline 
WA_VBAKUK_STR-WAERK sy-vline 
WA_VBAKUK_STR-VKORG sy-vline 
WA_VBAKUK_STR-VTWEG sy-vline 
WA_VBAKUK_STR-SPART sy-vline 
WA_VBAKUK_STR-VKGRP sy-vline 
WA_VBAKUK_STR-VKBUR sy-vline 
WA_VBAKUK_STR-GSBER sy-vline 
WA_VBAKUK_STR-GSKST sy-vline 
WA_VBAKUK_STR-GUEBG sy-vline 
WA_VBAKUK_STR-GUEEN sy-vline 
WA_VBAKUK_STR-KNUMV sy-vline 
WA_VBAKUK_STR-VDATU sy-vline 
WA_VBAKUK_STR-VPRGR sy-vline 
WA_VBAKUK_STR-AUTLF sy-vline 
WA_VBAKUK_STR-VBKLA sy-vline 
WA_VBAKUK_STR-VBKLT sy-vline 
WA_VBAKUK_STR-KALSM sy-vline 
WA_VBAKUK_STR-VSBED sy-vline 
WA_VBAKUK_STR-FKARA sy-vline 
WA_VBAKUK_STR-AWAHR sy-vline 
WA_VBAKUK_STR-KTEXT sy-vline 
WA_VBAKUK_STR-BSTNK sy-vline 
WA_VBAKUK_STR-BSARK sy-vline 
WA_VBAKUK_STR-BSTDK sy-vline 
WA_VBAKUK_STR-BSTZD sy-vline 
WA_VBAKUK_STR-IHREZ sy-vline 
WA_VBAKUK_STR-BNAME sy-vline 
WA_VBAKUK_STR-TELF1 sy-vline 
WA_VBAKUK_STR-MAHZA sy-vline 
WA_VBAKUK_STR-MAHDT sy-vline 
WA_VBAKUK_STR-KUNNR sy-vline 
WA_VBAKUK_STR-KOSTL sy-vline 
WA_VBAKUK_STR-STAFO sy-vline 
WA_VBAKUK_STR-RFSTK sy-vline 
WA_VBAKUK_STR-RFGSK sy-vline 
WA_VBAKUK_STR-BESTK sy-vline 
WA_VBAKUK_STR-LFSTK sy-vline 
WA_VBAKUK_STR-LFGSK sy-vline 
WA_VBAKUK_STR-FKSAK sy-vline 
WA_VBAKUK_STR-ABSTK sy-vline 
WA_VBAKUK_STR-GBSTK sy-vline 
WA_VBAKUK_STR-UVALS sy-vline 
WA_VBAKUK_STR-UVVLS sy-vline 
WA_VBAKUK_STR-UVFAS sy-vline 
WA_VBAKUK_STR-UVALL sy-vline 
WA_VBAKUK_STR-UVVLK sy-vline 
WA_VBAKUK_STR-UVFAK sy-vline 
WA_VBAKUK_STR-UVPRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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