ABAP Select data from SAP table DFKKURE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKKURE
*  INTO TABLE @DATA(IT_DFKKURE2).
*--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_DFKKURE INDEX 1 INTO DATA(WA_DFKKURE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKKURE>-MANDT = 1.
<DFKKURE>-LAUFD = 1.
<DFKKURE>-LAUFI = 1.
<DFKKURE>-RECNO = 1.
<DFKKURE>-RETRY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKKURE-MSGID, sy-vline,
  WA_DFKKURE-MSGNO, sy-vline,
  WA_DFKKURE-MSGVX, sy-vline,
  WA_DFKKURE-EXCPT, sy-vline,
  WA_DFKKURE-VKONT, sy-vline,
  WA_DFKKURE-GPART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKKURE 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_DFKKURE 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_DFKKURE INTO WA_DFKKURE.


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

*Conversion exit ALPHA, internal->external for field GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKURE-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKURE-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_DFKKURE_STR, 
MANDT TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
RECNO TYPE STRING,
RETRY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGVX TYPE STRING,
EXCPT TYPE STRING,
VKONT TYPE STRING,
GPART TYPE STRING,
NOPRENOTE TYPE STRING,
NODATA TYPE STRING,
EZAWE TYPE STRING,
AZAWE TYPE STRING,
EBVTY TYPE STRING,
ABVTY TYPE STRING,
XDELE TYPE STRING,
EZASP TYPE STRING,
AZASP TYPE STRING,
FDATE TYPE STRING,
TDATE TYPE STRING,
BKVID TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
BKONT TYPE STRING,
BKREF TYPE STRING,
KOINH TYPE STRING,
XEZER TYPE STRING,
PNORI TYPE STRING,
RTDAT TYPE STRING,
RTCOD TYPE STRING,
RTTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKKURE_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_DFKKURE_STR-MANDT sy-vline 
WA_DFKKURE_STR-LAUFD sy-vline 
WA_DFKKURE_STR-LAUFI sy-vline 
WA_DFKKURE_STR-RECNO sy-vline 
WA_DFKKURE_STR-RETRY sy-vline 
WA_DFKKURE_STR-MSGID sy-vline 
WA_DFKKURE_STR-MSGNO sy-vline 
WA_DFKKURE_STR-MSGVX sy-vline 
WA_DFKKURE_STR-EXCPT sy-vline 
WA_DFKKURE_STR-VKONT sy-vline 
WA_DFKKURE_STR-GPART sy-vline 
WA_DFKKURE_STR-NOPRENOTE sy-vline 
WA_DFKKURE_STR-NODATA sy-vline 
WA_DFKKURE_STR-EZAWE sy-vline 
WA_DFKKURE_STR-AZAWE sy-vline 
WA_DFKKURE_STR-EBVTY sy-vline 
WA_DFKKURE_STR-ABVTY sy-vline 
WA_DFKKURE_STR-XDELE sy-vline 
WA_DFKKURE_STR-EZASP sy-vline 
WA_DFKKURE_STR-AZASP sy-vline 
WA_DFKKURE_STR-FDATE sy-vline 
WA_DFKKURE_STR-TDATE sy-vline 
WA_DFKKURE_STR-BKVID sy-vline 
WA_DFKKURE_STR-BANKS sy-vline 
WA_DFKKURE_STR-BANKL sy-vline 
WA_DFKKURE_STR-BANKN sy-vline 
WA_DFKKURE_STR-BKONT sy-vline 
WA_DFKKURE_STR-BKREF sy-vline 
WA_DFKKURE_STR-KOINH sy-vline 
WA_DFKKURE_STR-XEZER sy-vline 
WA_DFKKURE_STR-PNORI sy-vline 
WA_DFKKURE_STR-RTDAT sy-vline 
WA_DFKKURE_STR-RTCOD sy-vline 
WA_DFKKURE_STR-RTTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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