ABAP Select data from SAP table VKKK_KONTO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VKKK_KONTO
*  INTO TABLE @DATA(IT_VKKK_KONTO2).
*--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_VKKK_KONTO INDEX 1 INTO DATA(WA_VKKK_KONTO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VKKK_KONTO>-VKONA = 1.
<VKKK_KONTO>-KTOSI = 1.
<VKKK_KONTO>-KONTF = 1.
<VKKK_KONTO>-KKAKB = 1.
<VKKK_KONTO>-KKASB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VKKK_KONTO-KZKSM, sy-vline,
  WA_VKKK_KONTO-GPNSB, sy-vline,
  WA_VKKK_KONTO-GPNKB, sy-vline,
  WA_VKKK_KONTO-KFZIH, sy-vline,
  WA_VKKK_KONTO-KFZIS, sy-vline,
  WA_VKKK_KONTO-KZDEP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VKKK_KONTO 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_VKKK_KONTO 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_VKKK_KONTO INTO WA_VKKK_KONTO.


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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field MAKEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VKKK_KONTO-MAKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VKKK_KONTO-MAKEY.
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_VKKK_KONTO_STR, 
VKONA TYPE STRING,
KTOSI TYPE STRING,
KONTF TYPE STRING,
KKAKB TYPE STRING,
KKASB TYPE STRING,
KZKSM TYPE STRING,
GPNSB TYPE STRING,
GPNKB TYPE STRING,
KFZIH TYPE STRING,
KFZIS TYPE STRING,
KZDEP TYPE STRING,
PERNR TYPE STRING,
VKBEZ TYPE STRING,
WAERS TYPE STRING,
FDZTG TYPE STRING,
QSZDT TYPE STRING,
EXVKO TYPE STRING,
OPBUK TYPE STRING,
ABWRE TYPE STRING,
ABWRA TYPE STRING,
ADRRE TYPE STRING,
ADRRA TYPE STRING,
EBVTY TYPE STRING,
ABVTY TYPE STRING,
CCARD_ID TYPE STRING,
CCARD_OUT TYPE STRING,
EZAWE TYPE STRING,
AZAWE TYPE STRING,
VWNZA TYPE STRING,
LOEVM TYPE STRING,
ABWVK TYPE STRING,
IKEY TYPE STRING,
MVARI TYPE STRING,
CMGRP TYPE STRING,
STRAT TYPE STRING,
FDGRP TYPE STRING,
VKPBZ TYPE STRING,
VKONV TYPE STRING,
GPARV TYPE STRING,
ABWRH TYPE STRING,
BEGRU TYPE STRING,
TOGRU TYPE STRING,
COPRC TYPE STRING,
PAVER TYPE STRING,
PADEP TYPE STRING,
STDBK TYPE STRING,
PAABA TYPE STRING,
PAABD TYPE STRING,
COVAR TYPE STRING,
COVWE TYPE STRING,
VBUND TYPE STRING,
VERTYP TYPE STRING,
DEF_REC TYPE STRING,
DEF_REC_IND TYPE STRING,
CORR_MAHNV TYPE STRING,
CB_GPART TYPE STRING,
CB_VKONT TYPE STRING,
INTPER TYPE STRING,
INTPEROFF TYPE STRING,
INTTO TYPE STRING,
AUGRS_DEF TYPE STRING,
QSSKZ_A TYPE STRING,
QSSKZ_E TYPE STRING,
QSZNR TYPE STRING,
EIGBV TYPE STRING,
INV_CATEGORY TYPE STRING,
INV_SCHEDULE TYPE STRING,
INV_CURR TYPE STRING,
INV_FORM_DET_KEY TYPE STRING,
GPART_INV TYPE STRING,
VKONT_INV TYPE STRING,
GPART_INVLIST TYPE STRING,
VKONT_INVLIST TYPE STRING,
MAKEY TYPE STRING,
PTSRL TYPE STRING,
INV_CYCLE TYPE STRING,
INV_CYCLE_DAY TYPE STRING,
INV_CYCLE_START TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VKKK_KONTO_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_VKKK_KONTO_STR-VKONA sy-vline 
WA_VKKK_KONTO_STR-KTOSI sy-vline 
WA_VKKK_KONTO_STR-KONTF sy-vline 
WA_VKKK_KONTO_STR-KKAKB sy-vline 
WA_VKKK_KONTO_STR-KKASB sy-vline 
WA_VKKK_KONTO_STR-KZKSM sy-vline 
WA_VKKK_KONTO_STR-GPNSB sy-vline 
WA_VKKK_KONTO_STR-GPNKB sy-vline 
WA_VKKK_KONTO_STR-KFZIH sy-vline 
WA_VKKK_KONTO_STR-KFZIS sy-vline 
WA_VKKK_KONTO_STR-KZDEP sy-vline 
WA_VKKK_KONTO_STR-PERNR sy-vline 
WA_VKKK_KONTO_STR-VKBEZ sy-vline 
WA_VKKK_KONTO_STR-WAERS sy-vline 
WA_VKKK_KONTO_STR-FDZTG sy-vline 
WA_VKKK_KONTO_STR-QSZDT sy-vline 
WA_VKKK_KONTO_STR-EXVKO sy-vline 
WA_VKKK_KONTO_STR-OPBUK sy-vline 
WA_VKKK_KONTO_STR-ABWRE sy-vline 
WA_VKKK_KONTO_STR-ABWRA sy-vline 
WA_VKKK_KONTO_STR-ADRRE sy-vline 
WA_VKKK_KONTO_STR-ADRRA sy-vline 
WA_VKKK_KONTO_STR-EBVTY sy-vline 
WA_VKKK_KONTO_STR-ABVTY sy-vline 
WA_VKKK_KONTO_STR-CCARD_ID sy-vline 
WA_VKKK_KONTO_STR-CCARD_OUT sy-vline 
WA_VKKK_KONTO_STR-EZAWE sy-vline 
WA_VKKK_KONTO_STR-AZAWE sy-vline 
WA_VKKK_KONTO_STR-VWNZA sy-vline 
WA_VKKK_KONTO_STR-LOEVM sy-vline 
WA_VKKK_KONTO_STR-ABWVK sy-vline 
WA_VKKK_KONTO_STR-IKEY sy-vline 
WA_VKKK_KONTO_STR-MVARI sy-vline 
WA_VKKK_KONTO_STR-CMGRP sy-vline 
WA_VKKK_KONTO_STR-STRAT sy-vline 
WA_VKKK_KONTO_STR-FDGRP sy-vline 
WA_VKKK_KONTO_STR-VKPBZ sy-vline 
WA_VKKK_KONTO_STR-VKONV sy-vline 
WA_VKKK_KONTO_STR-GPARV sy-vline 
WA_VKKK_KONTO_STR-ABWRH sy-vline 
WA_VKKK_KONTO_STR-BEGRU sy-vline 
WA_VKKK_KONTO_STR-TOGRU sy-vline 
WA_VKKK_KONTO_STR-COPRC sy-vline 
WA_VKKK_KONTO_STR-PAVER sy-vline 
WA_VKKK_KONTO_STR-PADEP sy-vline 
WA_VKKK_KONTO_STR-STDBK sy-vline 
WA_VKKK_KONTO_STR-PAABA sy-vline 
WA_VKKK_KONTO_STR-PAABD sy-vline 
WA_VKKK_KONTO_STR-COVAR sy-vline 
WA_VKKK_KONTO_STR-COVWE sy-vline 
WA_VKKK_KONTO_STR-VBUND sy-vline 
WA_VKKK_KONTO_STR-VERTYP sy-vline 
WA_VKKK_KONTO_STR-DEF_REC sy-vline 
WA_VKKK_KONTO_STR-DEF_REC_IND sy-vline 
WA_VKKK_KONTO_STR-CORR_MAHNV sy-vline 
WA_VKKK_KONTO_STR-CB_GPART sy-vline 
WA_VKKK_KONTO_STR-CB_VKONT sy-vline 
WA_VKKK_KONTO_STR-INTPER sy-vline 
WA_VKKK_KONTO_STR-INTPEROFF sy-vline 
WA_VKKK_KONTO_STR-INTTO sy-vline 
WA_VKKK_KONTO_STR-AUGRS_DEF sy-vline 
WA_VKKK_KONTO_STR-QSSKZ_A sy-vline 
WA_VKKK_KONTO_STR-QSSKZ_E sy-vline 
WA_VKKK_KONTO_STR-QSZNR sy-vline 
WA_VKKK_KONTO_STR-EIGBV sy-vline 
WA_VKKK_KONTO_STR-INV_CATEGORY sy-vline 
WA_VKKK_KONTO_STR-INV_SCHEDULE sy-vline 
WA_VKKK_KONTO_STR-INV_CURR sy-vline 
WA_VKKK_KONTO_STR-INV_FORM_DET_KEY sy-vline 
WA_VKKK_KONTO_STR-GPART_INV sy-vline 
WA_VKKK_KONTO_STR-VKONT_INV sy-vline 
WA_VKKK_KONTO_STR-GPART_INVLIST sy-vline 
WA_VKKK_KONTO_STR-VKONT_INVLIST sy-vline 
WA_VKKK_KONTO_STR-MAKEY sy-vline 
WA_VKKK_KONTO_STR-PTSRL sy-vline 
WA_VKKK_KONTO_STR-INV_CYCLE sy-vline 
WA_VKKK_KONTO_STR-INV_CYCLE_DAY sy-vline 
WA_VKKK_KONTO_STR-INV_CYCLE_START sy-vline      INTO ld_text SEPARATED BY SPACE.

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