ABAP Select data from SAP table VBKDKOMX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VBKDKOMX
*  INTO TABLE @DATA(IT_VBKDKOMX2).
*--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_VBKDKOMX INDEX 1 INTO DATA(WA_VBKDKOMX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VBKDKOMX>-KONDA = 1.
<VBKDKOMX>-KDGRP = 1.
<VBKDKOMX>-BZIRK = 1.
<VBKDKOMX>-PLTYP = 1.
<VBKDKOMX>-INCO1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VBKDKOMX-INCO2, sy-vline,
  WA_VBKDKOMX-KZAZU, sy-vline,
  WA_VBKDKOMX-PERFK, sy-vline,
  WA_VBKDKOMX-PERRL, sy-vline,
  WA_VBKDKOMX-MRNKZ, sy-vline,
  WA_VBKDKOMX-KURRF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VBKDKOMX 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_VBKDKOMX 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_VBKDKOMX INTO WA_VBKDKOMX.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_VBKDKOMX_STR, 
KONDA TYPE STRING,
KDGRP TYPE STRING,
BZIRK TYPE STRING,
PLTYP TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
KZAZU TYPE STRING,
PERFK TYPE STRING,
PERRL TYPE STRING,
MRNKZ TYPE STRING,
KURRF TYPE STRING,
VALTG TYPE STRING,
VALDT TYPE STRING,
ZTERM TYPE STRING,
ZLSCH TYPE STRING,
KTGRD TYPE STRING,
KURSK TYPE STRING,
PRSDT TYPE STRING,
FKDAT TYPE STRING,
FBUDA TYPE STRING,
GJAHR TYPE STRING,
POPER TYPE STRING,
STCUR TYPE STRING,
MSCHL TYPE STRING,
MANSP TYPE STRING,
FPLNR TYPE STRING,
WAKTION TYPE STRING,
ABSSC TYPE STRING,
LCNUM TYPE STRING,
J_1AFITP TYPE STRING,
J_1ARFZ TYPE STRING,
J_1AREGIO TYPE STRING,
J_1AGICD TYPE STRING,
J_1ADTYP TYPE STRING,
J_1ATXREL TYPE STRING,
ABTNR TYPE STRING,
EMPST TYPE STRING,
BSTKD TYPE STRING,
BSTDK TYPE STRING,
BSARK TYPE STRING,
IHREZ TYPE STRING,
BSTKD_E TYPE STRING,
BSTDK_E TYPE STRING,
BSARK_E TYPE STRING,
IHREZ_E TYPE STRING,
POSEX_E TYPE STRING,
KURSK_DAT TYPE STRING,
KURRF_DAT TYPE STRING,
KDKG1 TYPE STRING,
KDKG2 TYPE STRING,
KDKG3 TYPE STRING,
KDKG4 TYPE STRING,
KDKG5 TYPE STRING,
WKWAE TYPE STRING,
WKKUR TYPE STRING,
AKWAE TYPE STRING,
AKKUR TYPE STRING,
AKPRZ TYPE STRING,
J_1AINDXP TYPE STRING,
J_1AIDATEP TYPE STRING,
BSTKD_M TYPE STRING,
DELCO TYPE STRING,
FFPRF TYPE STRING,
BEMOT TYPE STRING,
FAKTF TYPE STRING,
RRREL TYPE STRING,
ACDATV TYPE STRING,
FARR_RELTYPE TYPE STRING,
WMINR TYPE STRING,
FKBER TYPE STRING,
CAMPAIGN TYPE STRING,
VSART TYPE STRING,
SDABW TYPE STRING,
VKONT TYPE STRING,
INCOV TYPE STRING,
INCO2_L TYPE STRING,
INCO3_L TYPE STRING,
INCO2_KEY TYPE STRING,
INCO3_KEY TYPE STRING,
INCO4_KEY TYPE STRING,
PACKNO TYPE STRING,
PEROP_BEG TYPE STRING,
PEROP_END TYPE STRING,
DPBP_REF_FPLNR TYPE STRING,
DPBP_REF_FPLTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VBKDKOMX_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_VBKDKOMX_STR-KONDA sy-vline 
WA_VBKDKOMX_STR-KDGRP sy-vline 
WA_VBKDKOMX_STR-BZIRK sy-vline 
WA_VBKDKOMX_STR-PLTYP sy-vline 
WA_VBKDKOMX_STR-INCO1 sy-vline 
WA_VBKDKOMX_STR-INCO2 sy-vline 
WA_VBKDKOMX_STR-KZAZU sy-vline 
WA_VBKDKOMX_STR-PERFK sy-vline 
WA_VBKDKOMX_STR-PERRL sy-vline 
WA_VBKDKOMX_STR-MRNKZ sy-vline 
WA_VBKDKOMX_STR-KURRF sy-vline 
WA_VBKDKOMX_STR-VALTG sy-vline 
WA_VBKDKOMX_STR-VALDT sy-vline 
WA_VBKDKOMX_STR-ZTERM sy-vline 
WA_VBKDKOMX_STR-ZLSCH sy-vline 
WA_VBKDKOMX_STR-KTGRD sy-vline 
WA_VBKDKOMX_STR-KURSK sy-vline 
WA_VBKDKOMX_STR-PRSDT sy-vline 
WA_VBKDKOMX_STR-FKDAT sy-vline 
WA_VBKDKOMX_STR-FBUDA sy-vline 
WA_VBKDKOMX_STR-GJAHR sy-vline 
WA_VBKDKOMX_STR-POPER sy-vline 
WA_VBKDKOMX_STR-STCUR sy-vline 
WA_VBKDKOMX_STR-MSCHL sy-vline 
WA_VBKDKOMX_STR-MANSP sy-vline 
WA_VBKDKOMX_STR-FPLNR sy-vline 
WA_VBKDKOMX_STR-WAKTION sy-vline 
WA_VBKDKOMX_STR-ABSSC sy-vline 
WA_VBKDKOMX_STR-LCNUM sy-vline 
WA_VBKDKOMX_STR-J_1AFITP sy-vline 
WA_VBKDKOMX_STR-J_1ARFZ sy-vline 
WA_VBKDKOMX_STR-J_1AREGIO sy-vline 
WA_VBKDKOMX_STR-J_1AGICD sy-vline 
WA_VBKDKOMX_STR-J_1ADTYP sy-vline 
WA_VBKDKOMX_STR-J_1ATXREL sy-vline 
WA_VBKDKOMX_STR-ABTNR sy-vline 
WA_VBKDKOMX_STR-EMPST sy-vline 
WA_VBKDKOMX_STR-BSTKD sy-vline 
WA_VBKDKOMX_STR-BSTDK sy-vline 
WA_VBKDKOMX_STR-BSARK sy-vline 
WA_VBKDKOMX_STR-IHREZ sy-vline 
WA_VBKDKOMX_STR-BSTKD_E sy-vline 
WA_VBKDKOMX_STR-BSTDK_E sy-vline 
WA_VBKDKOMX_STR-BSARK_E sy-vline 
WA_VBKDKOMX_STR-IHREZ_E sy-vline 
WA_VBKDKOMX_STR-POSEX_E sy-vline 
WA_VBKDKOMX_STR-KURSK_DAT sy-vline 
WA_VBKDKOMX_STR-KURRF_DAT sy-vline 
WA_VBKDKOMX_STR-KDKG1 sy-vline 
WA_VBKDKOMX_STR-KDKG2 sy-vline 
WA_VBKDKOMX_STR-KDKG3 sy-vline 
WA_VBKDKOMX_STR-KDKG4 sy-vline 
WA_VBKDKOMX_STR-KDKG5 sy-vline 
WA_VBKDKOMX_STR-WKWAE sy-vline 
WA_VBKDKOMX_STR-WKKUR sy-vline 
WA_VBKDKOMX_STR-AKWAE sy-vline 
WA_VBKDKOMX_STR-AKKUR sy-vline 
WA_VBKDKOMX_STR-AKPRZ sy-vline 
WA_VBKDKOMX_STR-J_1AINDXP sy-vline 
WA_VBKDKOMX_STR-J_1AIDATEP sy-vline 
WA_VBKDKOMX_STR-BSTKD_M sy-vline 
WA_VBKDKOMX_STR-DELCO sy-vline 
WA_VBKDKOMX_STR-FFPRF sy-vline 
WA_VBKDKOMX_STR-BEMOT sy-vline 
WA_VBKDKOMX_STR-FAKTF sy-vline 
WA_VBKDKOMX_STR-RRREL sy-vline 
WA_VBKDKOMX_STR-ACDATV sy-vline 
WA_VBKDKOMX_STR-FARR_RELTYPE sy-vline 
WA_VBKDKOMX_STR-WMINR sy-vline 
WA_VBKDKOMX_STR-FKBER sy-vline 
WA_VBKDKOMX_STR-CAMPAIGN sy-vline 
WA_VBKDKOMX_STR-VSART sy-vline 
WA_VBKDKOMX_STR-SDABW sy-vline 
WA_VBKDKOMX_STR-VKONT sy-vline 
WA_VBKDKOMX_STR-INCOV sy-vline 
WA_VBKDKOMX_STR-INCO2_L sy-vline 
WA_VBKDKOMX_STR-INCO3_L sy-vline 
WA_VBKDKOMX_STR-INCO2_KEY sy-vline 
WA_VBKDKOMX_STR-INCO3_KEY sy-vline 
WA_VBKDKOMX_STR-INCO4_KEY sy-vline 
WA_VBKDKOMX_STR-PACKNO sy-vline 
WA_VBKDKOMX_STR-PEROP_BEG sy-vline 
WA_VBKDKOMX_STR-PEROP_END sy-vline 
WA_VBKDKOMX_STR-DPBP_REF_FPLNR sy-vline 
WA_VBKDKOMX_STR-DPBP_REF_FPLTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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