ABAP Select data from SAP table VBAKI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VBAKI
*  INTO TABLE @DATA(IT_VBAKI2).
*--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_VBAKI INDEX 1 INTO DATA(WA_VBAKI2).


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

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

ENDLOOP.

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

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


*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_VBAKI-PSPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBAKI-PSPID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit KONPD, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_KONPD_OUTPUT'
  EXPORTING
    input =                      WA_VBAKI-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBAKI-PSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_VBAKI-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBAKI-POSNR.
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_VBAKI_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,
OBJNR TYPE STRING,
PSPNR TYPE STRING,
POSNR TYPE STRING,
INT_ID TYPE STRING,
LOEKZ TYPE STRING,
LIGHT TYPE STRING,
VBTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VBAKI_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_VBAKI_STR-ARNUMMER sy-vline 
WA_VBAKI_STR-VSGRUPPE sy-vline 
WA_VBAKI_STR-VSNUMMER sy-vline 
WA_VBAKI_STR-PSPID sy-vline 
WA_VBAKI_STR-POSID sy-vline 
WA_VBAKI_STR-KDAUF sy-vline 
WA_VBAKI_STR-AUFNR sy-vline 
WA_VBAKI_STR-AUART sy-vline 
WA_VBAKI_STR-AUGRU sy-vline 
WA_VBAKI_STR-WAERK sy-vline 
WA_VBAKI_STR-VKORG sy-vline 
WA_VBAKI_STR-VTWEG sy-vline 
WA_VBAKI_STR-SPART sy-vline 
WA_VBAKI_STR-VKGRP sy-vline 
WA_VBAKI_STR-VKBUR sy-vline 
WA_VBAKI_STR-GSBER sy-vline 
WA_VBAKI_STR-GSKST sy-vline 
WA_VBAKI_STR-GUEBG sy-vline 
WA_VBAKI_STR-GUEEN sy-vline 
WA_VBAKI_STR-VBKLA sy-vline 
WA_VBAKI_STR-VBKLT sy-vline 
WA_VBAKI_STR-KTEXT sy-vline 
WA_VBAKI_STR-BSTNK sy-vline 
WA_VBAKI_STR-BSARK sy-vline 
WA_VBAKI_STR-BSTDK sy-vline 
WA_VBAKI_STR-BSTZD sy-vline 
WA_VBAKI_STR-IHREZ sy-vline 
WA_VBAKI_STR-BNAME sy-vline 
WA_VBAKI_STR-KUNNR sy-vline 
WA_VBAKI_STR-KOSTL sy-vline 
WA_VBAKI_STR-KOKRS sy-vline 
WA_VBAKI_STR-BUKRS_VF sy-vline 
WA_VBAKI_STR-QMNUM sy-vline 
WA_VBAKI_STR-VBELN_GRP sy-vline 
WA_VBAKI_STR-STATXT sy-vline 
WA_VBAKI_STR-DUMMY_SALESDOC_INCL_EEW_PS sy-vline 
WA_VBAKI_STR-OBJNR sy-vline 
WA_VBAKI_STR-PSPNR sy-vline 
WA_VBAKI_STR-POSNR sy-vline 
WA_VBAKI_STR-INT_ID sy-vline 
WA_VBAKI_STR-LOEKZ sy-vline 
WA_VBAKI_STR-LIGHT sy-vline 
WA_VBAKI_STR-VBTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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