ABAP Select data from SAP table V_DFKKOP_EURO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_DFKKOP_EURO
*  INTO TABLE @DATA(IT_V_DFKKOP_EURO2).
*--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_V_DFKKOP_EURO INDEX 1 INTO DATA(WA_V_DFKKOP_EURO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_DFKKOP_EURO>-MANDT = 1.
<V_DFKKOP_EURO>-OPBEL = 1.
<V_DFKKOP_EURO>-OPUPW = 1.
<V_DFKKOP_EURO>-OPUPK = 1.
<V_DFKKOP_EURO>-OPUPZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_DFKKOP_EURO-BUKRS, sy-vline,
  WA_V_DFKKOP_EURO-STAKZ, sy-vline,
  WA_V_DFKKOP_EURO-KURSF, sy-vline,
  WA_V_DFKKOP_EURO-WAERS, sy-vline,
  WA_V_DFKKOP_EURO-BETRW, sy-vline,
  WA_V_DFKKOP_EURO-BETRH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_DFKKOP_EURO 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_V_DFKKOP_EURO 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_V_DFKKOP_EURO INTO WA_V_DFKKOP_EURO.


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

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_V_DFKKOP_EURO-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_DFKKOP_EURO-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_DFKKOP_EURO-AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_DFKKOP_EURO-AUGBL.
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_V_DFKKOP_EURO_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
OPUPW TYPE STRING,
OPUPK TYPE STRING,
OPUPZ TYPE STRING,
BUKRS TYPE STRING,
STAKZ TYPE STRING,
KURSF TYPE STRING,
WAERS TYPE STRING,
BETRW TYPE STRING,
BETRH TYPE STRING,
BETR2 TYPE STRING,
BETR3 TYPE STRING,
SBETH TYPE STRING,
SBETW TYPE STRING,
SBET2 TYPE STRING,
SBET3 TYPE STRING,
AUGBL TYPE STRING,
EUROU TYPE STRING,
AUGWA TYPE STRING,
AUGBT TYPE STRING,
AUGBS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_DFKKOP_EURO_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_V_DFKKOP_EURO_STR-MANDT sy-vline 
WA_V_DFKKOP_EURO_STR-OPBEL sy-vline 
WA_V_DFKKOP_EURO_STR-OPUPW sy-vline 
WA_V_DFKKOP_EURO_STR-OPUPK sy-vline 
WA_V_DFKKOP_EURO_STR-OPUPZ sy-vline 
WA_V_DFKKOP_EURO_STR-BUKRS sy-vline 
WA_V_DFKKOP_EURO_STR-STAKZ sy-vline 
WA_V_DFKKOP_EURO_STR-KURSF sy-vline 
WA_V_DFKKOP_EURO_STR-WAERS sy-vline 
WA_V_DFKKOP_EURO_STR-BETRW sy-vline 
WA_V_DFKKOP_EURO_STR-BETRH sy-vline 
WA_V_DFKKOP_EURO_STR-BETR2 sy-vline 
WA_V_DFKKOP_EURO_STR-BETR3 sy-vline 
WA_V_DFKKOP_EURO_STR-SBETH sy-vline 
WA_V_DFKKOP_EURO_STR-SBETW sy-vline 
WA_V_DFKKOP_EURO_STR-SBET2 sy-vline 
WA_V_DFKKOP_EURO_STR-SBET3 sy-vline 
WA_V_DFKKOP_EURO_STR-AUGBL sy-vline 
WA_V_DFKKOP_EURO_STR-EUROU sy-vline 
WA_V_DFKKOP_EURO_STR-AUGWA sy-vline 
WA_V_DFKKOP_EURO_STR-AUGBT sy-vline 
WA_V_DFKKOP_EURO_STR-AUGBS sy-vline      INTO ld_text SEPARATED BY SPACE.

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