ABAP Select data from SAP table BFKKZP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BFKKZP
*  INTO TABLE @DATA(IT_BFKKZP2).
*--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_BFKKZP INDEX 1 INTO DATA(WA_BFKKZP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BFKKZP>-STYPE = 1.
<BFKKZP>-TBNAM = 1.
<BFKKZP>-SELT1 = 1.
<BFKKZP>-SELT2 = 1.
<BFKKZP>-SELT3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BFKKZP-SELW1, sy-vline,
  WA_BFKKZP-SELW2, sy-vline,
  WA_BFKKZP-SELW3, sy-vline,
  WA_BFKKZP-BETRZ, sy-vline,
  WA_BFKKZP-BETRH, sy-vline,
  WA_BFKKZP-TBETR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BFKKZP 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_BFKKZP 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_BFKKZP INTO WA_BFKKZP.


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

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

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BFKKZP-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BFKKZP-PRCTR.
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_BFKKZP_STR, 
STYPE TYPE STRING,
TBNAM TYPE STRING,
SELT1 TYPE STRING,
SELT2 TYPE STRING,
SELT3 TYPE STRING,
SELW1 TYPE STRING,
SELW2 TYPE STRING,
SELW3 TYPE STRING,
BETRZ TYPE STRING,
BETRH TYPE STRING,
TBETR TYPE STRING,
BVRKO TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
BLART TYPE STRING,
WAERS TYPE STRING,
KURSF TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
VALUT TYPE STRING,
XEIPH TYPE STRING,
AUGRD TYPE STRING,
XAKON TYPE STRING,
XKLAE TYPE STRING,
KLAEH TYPE STRING,
TXTVW TYPE STRING,
CHCKN TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
BKONT TYPE STRING,
KOINH TYPE STRING,
XPGRO TYPE STRING,
XDAUB TYPE STRING,
INFOF TYPE STRING,
KUKON TYPE STRING,
BKREF TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
AUNUM TYPE STRING,
AUDAT TYPE STRING,
AUTIM TYPE STRING,
PRCTR TYPE STRING,
BEGRU TYPE STRING,
MERCH TYPE STRING,
IBAN TYPE STRING,
SWIFT TYPE STRING,
ESNUM TYPE STRING,
LNKID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BFKKZP_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_BFKKZP_STR-STYPE sy-vline 
WA_BFKKZP_STR-TBNAM sy-vline 
WA_BFKKZP_STR-SELT1 sy-vline 
WA_BFKKZP_STR-SELT2 sy-vline 
WA_BFKKZP_STR-SELT3 sy-vline 
WA_BFKKZP_STR-SELW1 sy-vline 
WA_BFKKZP_STR-SELW2 sy-vline 
WA_BFKKZP_STR-SELW3 sy-vline 
WA_BFKKZP_STR-BETRZ sy-vline 
WA_BFKKZP_STR-BETRH sy-vline 
WA_BFKKZP_STR-TBETR sy-vline 
WA_BFKKZP_STR-BVRKO sy-vline 
WA_BFKKZP_STR-BUKRS sy-vline 
WA_BFKKZP_STR-GSBER sy-vline 
WA_BFKKZP_STR-BLART sy-vline 
WA_BFKKZP_STR-WAERS sy-vline 
WA_BFKKZP_STR-KURSF sy-vline 
WA_BFKKZP_STR-BUDAT sy-vline 
WA_BFKKZP_STR-BLDAT sy-vline 
WA_BFKKZP_STR-VALUT sy-vline 
WA_BFKKZP_STR-XEIPH sy-vline 
WA_BFKKZP_STR-AUGRD sy-vline 
WA_BFKKZP_STR-XAKON sy-vline 
WA_BFKKZP_STR-XKLAE sy-vline 
WA_BFKKZP_STR-KLAEH sy-vline 
WA_BFKKZP_STR-TXTVW sy-vline 
WA_BFKKZP_STR-CHCKN sy-vline 
WA_BFKKZP_STR-BANKS sy-vline 
WA_BFKKZP_STR-BANKL sy-vline 
WA_BFKKZP_STR-BANKN sy-vline 
WA_BFKKZP_STR-BKONT sy-vline 
WA_BFKKZP_STR-KOINH sy-vline 
WA_BFKKZP_STR-XPGRO sy-vline 
WA_BFKKZP_STR-XDAUB sy-vline 
WA_BFKKZP_STR-INFOF sy-vline 
WA_BFKKZP_STR-KUKON sy-vline 
WA_BFKKZP_STR-BKREF sy-vline 
WA_BFKKZP_STR-CCINS sy-vline 
WA_BFKKZP_STR-CCNUM sy-vline 
WA_BFKKZP_STR-DATAB sy-vline 
WA_BFKKZP_STR-DATBI sy-vline 
WA_BFKKZP_STR-AUNUM sy-vline 
WA_BFKKZP_STR-AUDAT sy-vline 
WA_BFKKZP_STR-AUTIM sy-vline 
WA_BFKKZP_STR-PRCTR sy-vline 
WA_BFKKZP_STR-BEGRU sy-vline 
WA_BFKKZP_STR-MERCH sy-vline 
WA_BFKKZP_STR-IBAN sy-vline 
WA_BFKKZP_STR-SWIFT sy-vline 
WA_BFKKZP_STR-ESNUM sy-vline 
WA_BFKKZP_STR-LNKID sy-vline      INTO ld_text SEPARATED BY SPACE.

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