ABAP Select data from SAP table ARRANG_ALV_KONA_SELECT_STY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARRANG_ALV_KONA_SELECT_STY
*  INTO TABLE @DATA(IT_ARRANG_ALV_KONA_SELECT_STY2).
*--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_ARRANG_ALV_KONA_SELECT_STY INDEX 1 INTO DATA(WA_ARRANG_ALV_KONA_SELECT_STY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARRANG_ALV_KONA_SELECT_STY>-COUNTER_ITEM = 1.
<ARRANG_ALV_KONA_SELECT_STY>-SELKZ = 1.
<ARRANG_ALV_KONA_SELECT_STY>-EKORG = 1.
<ARRANG_ALV_KONA_SELECT_STY>-EKGRP = 1.
<ARRANG_ALV_KONA_SELECT_STY>-BOLIF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARRANG_ALV_KONA_SELECT_STY-VKORG, sy-vline,
  WA_ARRANG_ALV_KONA_SELECT_STY-VTWEG, sy-vline,
  WA_ARRANG_ALV_KONA_SELECT_STY-SPART, sy-vline,
  WA_ARRANG_ALV_KONA_SELECT_STY-BONEM, sy-vline,
  WA_ARRANG_ALV_KONA_SELECT_STY-KNUMA, sy-vline,
  WA_ARRANG_ALV_KONA_SELECT_STY-DATAB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARRANG_ALV_KONA_SELECT_STY 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_ARRANG_ALV_KONA_SELECT_STY 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_ARRANG_ALV_KONA_SELECT_STY INTO WA_ARRANG_ALV_KONA_SELECT_STY.


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

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

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

*Conversion exit ALPHA, internal->external for field VKNUMA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ARRANG_ALV_KONA_SELECT_STY-VKNUMA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARRANG_ALV_KONA_SELECT_STY-VKNUMA.
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_ARRANG_ALV_KONA_SELECT_STY_STR, 
COUNTER_ITEM TYPE STRING,
SELKZ TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
BOLIF TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
BONEM TYPE STRING,
KNUMA TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
WAERS TYPE STRING,
BOSTA TYPE STRING,
IDENT1 TYPE STRING,
IDENT2 TYPE STRING,
IDENT3 TYPE STRING,
BOART TYPE STRING,
ABREX TYPE STRING,
VKNUMA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARRANG_ALV_KONA_SELECT_STY_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_ARRANG_ALV_KONA_SELECT_STY_STR-COUNTER_ITEM sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-SELKZ sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-EKORG sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-EKGRP sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-BOLIF sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-VKORG sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-VTWEG sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-SPART sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-BONEM sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-KNUMA sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-DATAB sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-DATBI sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-WAERS sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-BOSTA sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-IDENT1 sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-IDENT2 sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-IDENT3 sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-BOART sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-ABREX sy-vline 
WA_ARRANG_ALV_KONA_SELECT_STY_STR-VKNUMA sy-vline      INTO ld_text SEPARATED BY SPACE.

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