ABAP Select data from SAP table V_DFKK_CC_MD_RA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_DFKK_CC_MD_RA 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_DFKK_CC_MD_RA. 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_DFKK_CC_MD_RA 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_DFKK_CC_MD_RA TYPE STANDARD TABLE OF V_DFKK_CC_MD_RA,
      WA_V_DFKK_CC_MD_RA TYPE V_DFKK_CC_MD_RA,
      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_DFKK_CC_MD_RA> TYPE V_DFKK_CC_MD_RA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_DFKK_CC_MD_RA
*  INTO TABLE @DATA(IT_V_DFKK_CC_MD_RA2).
*--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_DFKK_CC_MD_RA INDEX 1 INTO DATA(WA_V_DFKK_CC_MD_RA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_DFKK_CC_MD_RA>-CLIENT = 1.
<V_DFKK_CC_MD_RA>-OBJTYPE = 1.
<V_DFKK_CC_MD_RA>-OBJID = 1.
<V_DFKK_CC_MD_RA>-RATING_AREA = 1.
<V_DFKK_CC_MD_RA>-OBJKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_DFKK_CC_MD_RA-GPART, sy-vline,
  WA_V_DFKK_CC_MD_RA-VKONT, sy-vline,
  WA_V_DFKK_CC_MD_RA-PPACC, sy-vline,
  WA_V_DFKK_CC_MD_RA-MANDT, sy-vline,
  WA_V_DFKK_CC_MD_RA-OBJTYPE_MD, sy-vline,
  WA_V_DFKK_CC_MD_RA-OBJKY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_DFKK_CC_MD_RA 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_DFKK_CC_MD_RA 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_DFKK_CC_MD_RA INTO WA_V_DFKK_CC_MD_RA.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PARENT_OBJKY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_DFKK_CC_MD_RA-PARENT_OBJKY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_DFKK_CC_MD_RA-PARENT_OBJKY.
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_DFKK_CC_MD_RA_STR, 
CLIENT TYPE STRING,
OBJTYPE TYPE STRING,
OBJID TYPE STRING,
RATING_AREA TYPE STRING,
OBJKEY TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
PPACC TYPE STRING,
MANDT TYPE STRING,
OBJTYPE_MD TYPE STRING,
OBJKY TYPE STRING,
TRIGID TYPE STRING,
TRITYP TYPE STRING,
XOBSL TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
TRIACT TYPE STRING,
PARENT_OBJTYPE TYPE STRING,
PARENT_OBJKY TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
MESSAGE_STRING TYPE STRING,
XMSGS TYPE STRING,
XTAG TYPE STRING,
DEPNDT_OBJTYPE TYPE STRING,
DEPNDT_OBJID TYPE STRING,
RATING_AREA_INFO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_DFKK_CC_MD_RA_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_DFKK_CC_MD_RA_STR-CLIENT sy-vline 
WA_V_DFKK_CC_MD_RA_STR-OBJTYPE sy-vline 
WA_V_DFKK_CC_MD_RA_STR-OBJID sy-vline 
WA_V_DFKK_CC_MD_RA_STR-RATING_AREA sy-vline 
WA_V_DFKK_CC_MD_RA_STR-OBJKEY sy-vline 
WA_V_DFKK_CC_MD_RA_STR-GPART sy-vline 
WA_V_DFKK_CC_MD_RA_STR-VKONT sy-vline 
WA_V_DFKK_CC_MD_RA_STR-PPACC sy-vline 
WA_V_DFKK_CC_MD_RA_STR-MANDT sy-vline 
WA_V_DFKK_CC_MD_RA_STR-OBJTYPE_MD sy-vline 
WA_V_DFKK_CC_MD_RA_STR-OBJKY sy-vline 
WA_V_DFKK_CC_MD_RA_STR-TRIGID sy-vline 
WA_V_DFKK_CC_MD_RA_STR-TRITYP sy-vline 
WA_V_DFKK_CC_MD_RA_STR-XOBSL sy-vline 
WA_V_DFKK_CC_MD_RA_STR-ERDAT sy-vline 
WA_V_DFKK_CC_MD_RA_STR-ERTIM sy-vline 
WA_V_DFKK_CC_MD_RA_STR-TRIACT sy-vline 
WA_V_DFKK_CC_MD_RA_STR-PARENT_OBJTYPE sy-vline 
WA_V_DFKK_CC_MD_RA_STR-PARENT_OBJKY sy-vline 
WA_V_DFKK_CC_MD_RA_STR-MSGTY sy-vline 
WA_V_DFKK_CC_MD_RA_STR-MSGID sy-vline 
WA_V_DFKK_CC_MD_RA_STR-MSGNO sy-vline 
WA_V_DFKK_CC_MD_RA_STR-MSGV1 sy-vline 
WA_V_DFKK_CC_MD_RA_STR-MSGV2 sy-vline 
WA_V_DFKK_CC_MD_RA_STR-MSGV3 sy-vline 
WA_V_DFKK_CC_MD_RA_STR-MSGV4 sy-vline 
WA_V_DFKK_CC_MD_RA_STR-MESSAGE_STRING sy-vline 
WA_V_DFKK_CC_MD_RA_STR-XMSGS sy-vline 
WA_V_DFKK_CC_MD_RA_STR-XTAG sy-vline 
WA_V_DFKK_CC_MD_RA_STR-DEPNDT_OBJTYPE sy-vline 
WA_V_DFKK_CC_MD_RA_STR-DEPNDT_OBJID sy-vline 
WA_V_DFKK_CC_MD_RA_STR-RATING_AREA_INFO sy-vline      INTO ld_text SEPARATED BY SPACE.

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