ABAP Select data from SAP table VBAKR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VBAKR
*  INTO TABLE @DATA(IT_VBAKR2).
*--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_VBAKR INDEX 1 INTO DATA(WA_VBAKR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VBAKR>-ARNUMMER = 1.
<VBAKR>-VSGRUPPE = 1.
<VBAKR>-VSNUMMER = 1.
<VBAKR>-PSPID = 1.
<VBAKR>-POSID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VBAKR-KDAUF, sy-vline,
  WA_VBAKR-AUFNR, sy-vline,
  WA_VBAKR-AUART, sy-vline,
  WA_VBAKR-AUGRU, sy-vline,
  WA_VBAKR-WAERK, sy-vline,
  WA_VBAKR-VKORG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VBAKR 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_VBAKR 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_VBAKR INTO WA_VBAKR.


*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 ABPSN, internal->external for field PSPID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_VBAKR-PSPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBAKR-PSPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_VBAKR-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBAKR-POSID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field VBELN_GRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VBAKR-VBELN_GRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBAKR-VBELN_GRP.
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_VBAKR_STR, 
ARNUMMER TYPE STRING,
VSGRUPPE TYPE STRING,
VSNUMMER TYPE STRING,
PSPID TYPE STRING,
POSID TYPE STRING,
KDAUF TYPE STRING,
AUFNR TYPE STRING,
AUART TYPE STRING,
AUGRU 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,
VBKLA TYPE STRING,
VBKLT TYPE STRING,
KTEXT TYPE STRING,
BSTNK TYPE STRING,
BSARK TYPE STRING,
BSTDK TYPE STRING,
BSTZD TYPE STRING,
IHREZ TYPE STRING,
BNAME TYPE STRING,
KUNNR TYPE STRING,
KOSTL TYPE STRING,
KOKRS TYPE STRING,
BUKRS_VF TYPE STRING,
QMNUM TYPE STRING,
VBELN_GRP TYPE STRING,
STATXT TYPE STRING,
DUMMY_SALESDOC_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VBAKR_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_VBAKR_STR-ARNUMMER sy-vline 
WA_VBAKR_STR-VSGRUPPE sy-vline 
WA_VBAKR_STR-VSNUMMER sy-vline 
WA_VBAKR_STR-PSPID sy-vline 
WA_VBAKR_STR-POSID sy-vline 
WA_VBAKR_STR-KDAUF sy-vline 
WA_VBAKR_STR-AUFNR sy-vline 
WA_VBAKR_STR-AUART sy-vline 
WA_VBAKR_STR-AUGRU sy-vline 
WA_VBAKR_STR-WAERK sy-vline 
WA_VBAKR_STR-VKORG sy-vline 
WA_VBAKR_STR-VTWEG sy-vline 
WA_VBAKR_STR-SPART sy-vline 
WA_VBAKR_STR-VKGRP sy-vline 
WA_VBAKR_STR-VKBUR sy-vline 
WA_VBAKR_STR-GSBER sy-vline 
WA_VBAKR_STR-GSKST sy-vline 
WA_VBAKR_STR-GUEBG sy-vline 
WA_VBAKR_STR-GUEEN sy-vline 
WA_VBAKR_STR-VBKLA sy-vline 
WA_VBAKR_STR-VBKLT sy-vline 
WA_VBAKR_STR-KTEXT sy-vline 
WA_VBAKR_STR-BSTNK sy-vline 
WA_VBAKR_STR-BSARK sy-vline 
WA_VBAKR_STR-BSTDK sy-vline 
WA_VBAKR_STR-BSTZD sy-vline 
WA_VBAKR_STR-IHREZ sy-vline 
WA_VBAKR_STR-BNAME sy-vline 
WA_VBAKR_STR-KUNNR sy-vline 
WA_VBAKR_STR-KOSTL sy-vline 
WA_VBAKR_STR-KOKRS sy-vline 
WA_VBAKR_STR-BUKRS_VF sy-vline 
WA_VBAKR_STR-QMNUM sy-vline 
WA_VBAKR_STR-VBELN_GRP sy-vline 
WA_VBAKR_STR-STATXT sy-vline 
WA_VBAKR_STR-DUMMY_SALESDOC_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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