ABAP Select data from SAP table V_BI_KONA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_BI_KONA
*  INTO TABLE @DATA(IT_V_BI_KONA2).
*--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_V_BI_KONA INDEX 1 INTO DATA(WA_V_BI_KONA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_BI_KONA>-MANDT = 1.
<V_BI_KONA>-LOGSYS = 1.
<V_BI_KONA>-KNUMA = 1.
<V_BI_KONA>-VKORG = 1.
<V_BI_KONA>-VTWEG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_BI_KONA-SPART, sy-vline,
  WA_V_BI_KONA-BOART, sy-vline,
  WA_V_BI_KONA-ERNAM, sy-vline,
  WA_V_BI_KONA-ERDAT, sy-vline,
  WA_V_BI_KONA-ERZET, sy-vline,
  WA_V_BI_KONA-AEDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_BI_KONA 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_V_BI_KONA 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_V_BI_KONA INTO WA_V_BI_KONA.


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

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

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

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

*Conversion exit ALPHA, internal->external for field BONEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_BI_KONA-BONEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_BI_KONA-BONEM.
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_V_BI_KONA_STR, 
MANDT TYPE STRING,
LOGSYS TYPE STRING,
KNUMA TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
BOART TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
ERZET TYPE STRING,
AEDAT TYPE STRING,
WAERS TYPE STRING,
ABREX TYPE STRING,
EKORG TYPE STRING,
BOLIF TYPE STRING,
BOSTA TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
BOTEXT TYPE STRING,
IDENT1 TYPE STRING,
IDENT2 TYPE STRING,
UMNAM TYPE STRING,
UMSDA TYPE STRING,
UMNAMP TYPE STRING,
UMSDAP TYPE STRING,
EKGRP TYPE STRING,
AKTNR TYPE STRING,
BUKRS TYPE STRING,
ABPAR TYPE STRING,
BONEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_BI_KONA_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_V_BI_KONA_STR-MANDT sy-vline 
WA_V_BI_KONA_STR-LOGSYS sy-vline 
WA_V_BI_KONA_STR-KNUMA sy-vline 
WA_V_BI_KONA_STR-VKORG sy-vline 
WA_V_BI_KONA_STR-VTWEG sy-vline 
WA_V_BI_KONA_STR-SPART sy-vline 
WA_V_BI_KONA_STR-BOART sy-vline 
WA_V_BI_KONA_STR-ERNAM sy-vline 
WA_V_BI_KONA_STR-ERDAT sy-vline 
WA_V_BI_KONA_STR-ERZET sy-vline 
WA_V_BI_KONA_STR-AEDAT sy-vline 
WA_V_BI_KONA_STR-WAERS sy-vline 
WA_V_BI_KONA_STR-ABREX sy-vline 
WA_V_BI_KONA_STR-EKORG sy-vline 
WA_V_BI_KONA_STR-BOLIF sy-vline 
WA_V_BI_KONA_STR-BOSTA sy-vline 
WA_V_BI_KONA_STR-DATAB sy-vline 
WA_V_BI_KONA_STR-DATBI sy-vline 
WA_V_BI_KONA_STR-BOTEXT sy-vline 
WA_V_BI_KONA_STR-IDENT1 sy-vline 
WA_V_BI_KONA_STR-IDENT2 sy-vline 
WA_V_BI_KONA_STR-UMNAM sy-vline 
WA_V_BI_KONA_STR-UMSDA sy-vline 
WA_V_BI_KONA_STR-UMNAMP sy-vline 
WA_V_BI_KONA_STR-UMSDAP sy-vline 
WA_V_BI_KONA_STR-EKGRP sy-vline 
WA_V_BI_KONA_STR-AKTNR sy-vline 
WA_V_BI_KONA_STR-BUKRS sy-vline 
WA_V_BI_KONA_STR-ABPAR sy-vline 
WA_V_BI_KONA_STR-BONEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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