ABAP Select data from SAP table FKK_VT_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_VT_DATA
*  INTO TABLE @DATA(IT_FKK_VT_DATA2).
*--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_FKK_VT_DATA INDEX 1 INTO DATA(WA_FKK_VT_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_VT_DATA>-CONTROL = 1.
<FKK_VT_DATA>-AKTDB = 1.
<FKK_VT_DATA>-AKTYP = 1.
<FKK_VT_DATA>-XCHNG = 1.
<FKK_VT_DATA>-NRRNG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_VT_DATA-XNREX, sy-vline,
  WA_FKK_VT_DATA-VALDT, sy-vline,
  WA_FKK_VT_DATA-XENQUEUE, sy-vline,
  WA_FKK_VT_DATA-XUPDTASK, sy-vline,
  WA_FKK_VT_DATA-XSAVED, sy-vline,
  WA_FKK_VT_DATA-XTEST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_VT_DATA 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_FKK_VT_DATA 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_FKK_VT_DATA INTO WA_FKK_VT_DATA.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SEL_GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_VT_DATA-SEL_GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_VT_DATA-SEL_GPART.
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_FKK_VT_DATA_STR, 
CONTROL TYPE STRING,
AKTDB TYPE STRING,
AKTYP TYPE STRING,
XCHNG TYPE STRING,
NRRNG TYPE STRING,
XNREX TYPE STRING,
VALDT TYPE STRING,
XENQUEUE TYPE STRING,
XUPDTASK TYPE STRING,
XSAVED TYPE STRING,
XTEST TYPE STRING,
XDINP TYPE STRING,
RUN_TIMESTAMP TYPE STRING,
XCHDOC TYPE STRING,
XLOCKSREAD TYPE STRING,
VALID_TIMESTAMP TYPE STRING,
VT_H TYPE STRING,
MANDT TYPE STRING,
VTKEY TYPE STRING,
GPART TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
ERNAM TYPE STRING,
LOEVM TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,
AENAM TYPE STRING,
VTBEZ TYPE STRING,
VTALT TYPE STRING,
VTBEG TYPE STRING,
VTBEG_LOCL TYPE STRING,
VTEND TYPE STRING,
VTEND_LOCL TYPE STRING,
BEGRU TYPE STRING,
BUKRS TYPE STRING,
TZONE TYPE STRING,
VTCAT TYPE STRING,
MIGST TYPE STRING,
VTCHR TYPE STRING,
STATU TYPE STRING,
ASUAC TYPE STRING,
SENDER TYPE STRING,
VTVRS TYPE STRING,
VT_I TYPE STRING,
VT_TR TYPE STRING,
LOCKS_INV TYPE STRING,
PUBLIC TYPE STRING,
SUB_REPID TYPE STRING,
SUB_DYNNR TYPE STRING,
CTRL TYPE STRING,
MARKLOCK TYPE STRING,
UPD_ONLINE TYPE STRING,
WMODE TYPE STRING,
DIALOG_OPTIONS TYPE STRING,
FSTAT_LOOBJ1 TYPE STRING,
FSTAT_DISP_LOOBJ1 TYPE STRING,
FSTAT_PROID TYPE STRING,
FSTAT_LOTYP TYPE STRING,
FSTAT_LOCKR TYPE STRING,
FSTAT_FDATE TYPE STRING,
FSTAT_TDATE TYPE STRING,
FSTAT_UNAME TYPE STRING,
FSTAT_ADATUM TYPE STRING,
FSTAT_AZEIT TYPE STRING,
FSTAT_COND_LOOBJ TYPE STRING,
FSTAT_ACTKEY TYPE STRING,
FSTAT_PTEXT TYPE STRING,
FSTAT_LOTXT TYPE STRING,
FSTAT_LTEXT TYPE STRING,
FSTAT_ACTKEYTEXT TYPE STRING,
FSTAT_LOCKT TYPE STRING,
X_SAVE_ACTIVE TYPE STRING,
POPUP_TITLE TYPE STRING,
X_NO_LOOBJ1_DATA TYPE STRING,
X_ENQUEUE_SET TYPE STRING,
LOOBJ1 TYPE STRING,
PROID TYPE STRING,
LOTYP TYPE STRING,
LOCKR TYPE STRING,
FDATE TYPE STRING,
TDATE TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
UNIQUE_EXPANSION TYPE STRING,
UNIQUE_EXP_GPART TYPE STRING,
UNIQUE_EXP_VKONT TYPE STRING,
SEL_GPART TYPE STRING,
LOCKSET_DATA TYPE STRING,
VT_D TYPE STRING,
VT_ST TYPE STRING,
VT_BIPH TYPE STRING,
VT_BIPI TYPE STRING,
VT_BIPX TYPE STRING,
VT_CUCFG TYPE STRING,
VT_CUREF TYPE STRING,
VT_CUINS TYPE STRING,
VT_CUPRT TYPE STRING,
VT_CUVAL TYPE STRING,
VT_CUVK TYPE STRING,
LOCKS_BIP_H TYPE STRING,
LOCKS_BIP_I TYPE STRING,
LOCKS_VT_I TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_VT_DATA_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_FKK_VT_DATA_STR-CONTROL sy-vline 
WA_FKK_VT_DATA_STR-AKTDB sy-vline 
WA_FKK_VT_DATA_STR-AKTYP sy-vline 
WA_FKK_VT_DATA_STR-XCHNG sy-vline 
WA_FKK_VT_DATA_STR-NRRNG sy-vline 
WA_FKK_VT_DATA_STR-XNREX sy-vline 
WA_FKK_VT_DATA_STR-VALDT sy-vline 
WA_FKK_VT_DATA_STR-XENQUEUE sy-vline 
WA_FKK_VT_DATA_STR-XUPDTASK sy-vline 
WA_FKK_VT_DATA_STR-XSAVED sy-vline 
WA_FKK_VT_DATA_STR-XTEST sy-vline 
WA_FKK_VT_DATA_STR-XDINP sy-vline 
WA_FKK_VT_DATA_STR-RUN_TIMESTAMP sy-vline 
WA_FKK_VT_DATA_STR-XCHDOC sy-vline 
WA_FKK_VT_DATA_STR-XLOCKSREAD sy-vline 
WA_FKK_VT_DATA_STR-VALID_TIMESTAMP sy-vline 
WA_FKK_VT_DATA_STR-VT_H sy-vline 
WA_FKK_VT_DATA_STR-MANDT sy-vline 
WA_FKK_VT_DATA_STR-VTKEY sy-vline 
WA_FKK_VT_DATA_STR-GPART sy-vline 
WA_FKK_VT_DATA_STR-ERDAT sy-vline 
WA_FKK_VT_DATA_STR-ERTIM sy-vline 
WA_FKK_VT_DATA_STR-ERNAM sy-vline 
WA_FKK_VT_DATA_STR-LOEVM sy-vline 
WA_FKK_VT_DATA_STR-AEDAT sy-vline 
WA_FKK_VT_DATA_STR-AETIM sy-vline 
WA_FKK_VT_DATA_STR-AENAM sy-vline 
WA_FKK_VT_DATA_STR-VTBEZ sy-vline 
WA_FKK_VT_DATA_STR-VTALT sy-vline 
WA_FKK_VT_DATA_STR-VTBEG sy-vline 
WA_FKK_VT_DATA_STR-VTBEG_LOCL sy-vline 
WA_FKK_VT_DATA_STR-VTEND sy-vline 
WA_FKK_VT_DATA_STR-VTEND_LOCL sy-vline 
WA_FKK_VT_DATA_STR-BEGRU sy-vline 
WA_FKK_VT_DATA_STR-BUKRS sy-vline 
WA_FKK_VT_DATA_STR-TZONE sy-vline 
WA_FKK_VT_DATA_STR-VTCAT sy-vline 
WA_FKK_VT_DATA_STR-MIGST sy-vline 
WA_FKK_VT_DATA_STR-VTCHR sy-vline 
WA_FKK_VT_DATA_STR-STATU sy-vline 
WA_FKK_VT_DATA_STR-ASUAC sy-vline 
WA_FKK_VT_DATA_STR-SENDER sy-vline 
WA_FKK_VT_DATA_STR-VTVRS sy-vline 
WA_FKK_VT_DATA_STR-VT_I sy-vline 
WA_FKK_VT_DATA_STR-VT_TR sy-vline 
WA_FKK_VT_DATA_STR-LOCKS_INV sy-vline 
WA_FKK_VT_DATA_STR-PUBLIC sy-vline 
WA_FKK_VT_DATA_STR-SUB_REPID sy-vline 
WA_FKK_VT_DATA_STR-SUB_DYNNR sy-vline 
WA_FKK_VT_DATA_STR-CTRL sy-vline 
WA_FKK_VT_DATA_STR-MARKLOCK sy-vline 
WA_FKK_VT_DATA_STR-UPD_ONLINE sy-vline 
WA_FKK_VT_DATA_STR-WMODE sy-vline 
WA_FKK_VT_DATA_STR-DIALOG_OPTIONS sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_LOOBJ1 sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_DISP_LOOBJ1 sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_PROID sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_LOTYP sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_LOCKR sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_FDATE sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_TDATE sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_UNAME sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_ADATUM sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_AZEIT sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_COND_LOOBJ sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_ACTKEY sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_PTEXT sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_LOTXT sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_LTEXT sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_ACTKEYTEXT sy-vline 
WA_FKK_VT_DATA_STR-FSTAT_LOCKT sy-vline 
WA_FKK_VT_DATA_STR-X_SAVE_ACTIVE sy-vline 
WA_FKK_VT_DATA_STR-POPUP_TITLE sy-vline 
WA_FKK_VT_DATA_STR-X_NO_LOOBJ1_DATA sy-vline 
WA_FKK_VT_DATA_STR-X_ENQUEUE_SET sy-vline 
WA_FKK_VT_DATA_STR-LOOBJ1 sy-vline 
WA_FKK_VT_DATA_STR-PROID sy-vline 
WA_FKK_VT_DATA_STR-LOTYP sy-vline 
WA_FKK_VT_DATA_STR-LOCKR sy-vline 
WA_FKK_VT_DATA_STR-FDATE sy-vline 
WA_FKK_VT_DATA_STR-TDATE sy-vline 
WA_FKK_VT_DATA_STR-GPART sy-vline 
WA_FKK_VT_DATA_STR-VKONT sy-vline 
WA_FKK_VT_DATA_STR-UNIQUE_EXPANSION sy-vline 
WA_FKK_VT_DATA_STR-UNIQUE_EXP_GPART sy-vline 
WA_FKK_VT_DATA_STR-UNIQUE_EXP_VKONT sy-vline 
WA_FKK_VT_DATA_STR-SEL_GPART sy-vline 
WA_FKK_VT_DATA_STR-LOCKSET_DATA sy-vline 
WA_FKK_VT_DATA_STR-VT_D sy-vline 
WA_FKK_VT_DATA_STR-VT_ST sy-vline 
WA_FKK_VT_DATA_STR-VT_BIPH sy-vline 
WA_FKK_VT_DATA_STR-VT_BIPI sy-vline 
WA_FKK_VT_DATA_STR-VT_BIPX sy-vline 
WA_FKK_VT_DATA_STR-VT_CUCFG sy-vline 
WA_FKK_VT_DATA_STR-VT_CUREF sy-vline 
WA_FKK_VT_DATA_STR-VT_CUINS sy-vline 
WA_FKK_VT_DATA_STR-VT_CUPRT sy-vline 
WA_FKK_VT_DATA_STR-VT_CUVAL sy-vline 
WA_FKK_VT_DATA_STR-VT_CUVK sy-vline 
WA_FKK_VT_DATA_STR-LOCKS_BIP_H sy-vline 
WA_FKK_VT_DATA_STR-LOCKS_BIP_I sy-vline 
WA_FKK_VT_DATA_STR-LOCKS_VT_I sy-vline      INTO ld_text SEPARATED BY SPACE.

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