ABAP Select data from SAP table FKKEXC_DP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKEXC_DP
*  INTO TABLE @DATA(IT_FKKEXC_DP2).
*--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_FKKEXC_DP INDEX 1 INTO DATA(WA_FKKEXC_DP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKEXC_DP>-OFFIC = 1.
<FKKEXC_DP>-OFFIC_EX = 1.
<FKKEXC_DP>-CHDSK = 1.
<FKKEXC_DP>-CHDSK_EX = 1.
<FKKEXC_DP>-OFFIC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKEXC_DP-PAYKY, sy-vline,
  WA_FKKEXC_DP-CHDSK, sy-vline,
  WA_FKKEXC_DP-PAYID, sy-vline,
  WA_FKKEXC_DP-BETRZ, sy-vline,
  WA_FKKEXC_DP-PAYKY, sy-vline,
  WA_FKKEXC_DP-PAYID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKEXC_DP 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_FKKEXC_DP 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_FKKEXC_DP INTO WA_FKKEXC_DP.


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

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

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

*Conversion exit ALPHA, internal->external for field VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKEXC_DP-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKEXC_DP-VKONT.
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_FKKEXC_DP_STR, 
OFFIC TYPE STRING,
OFFIC_EX TYPE STRING,
CHDSK TYPE STRING,
CHDSK_EX TYPE STRING,
OFFIC TYPE STRING,
PAYKY TYPE STRING,
CHDSK TYPE STRING,
PAYID TYPE STRING,
BETRZ TYPE STRING,
PAYKY TYPE STRING,
PAYID TYPE STRING,
WAERS TYPE STRING,
BETRZ TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
WAERS TYPE STRING,
GPART TYPE STRING,
VALUT TYPE STRING,
BUDAT TYPE STRING,
VKONT TYPE STRING,
BLDAT TYPE STRING,
VALUT TYPE STRING,
BUDAT TYPE STRING,
BETRZ_GRP TYPE STRING,
BLDAT TYPE STRING,
BETRZ_GRP TYPE STRING,
XEXTC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKEXC_DP_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_FKKEXC_DP_STR-OFFIC sy-vline 
WA_FKKEXC_DP_STR-OFFIC_EX sy-vline 
WA_FKKEXC_DP_STR-CHDSK sy-vline 
WA_FKKEXC_DP_STR-CHDSK_EX sy-vline 
WA_FKKEXC_DP_STR-OFFIC sy-vline 
WA_FKKEXC_DP_STR-PAYKY sy-vline 
WA_FKKEXC_DP_STR-CHDSK sy-vline 
WA_FKKEXC_DP_STR-PAYID sy-vline 
WA_FKKEXC_DP_STR-BETRZ sy-vline 
WA_FKKEXC_DP_STR-PAYKY sy-vline 
WA_FKKEXC_DP_STR-PAYID sy-vline 
WA_FKKEXC_DP_STR-WAERS sy-vline 
WA_FKKEXC_DP_STR-BETRZ sy-vline 
WA_FKKEXC_DP_STR-GPART sy-vline 
WA_FKKEXC_DP_STR-VKONT sy-vline 
WA_FKKEXC_DP_STR-WAERS sy-vline 
WA_FKKEXC_DP_STR-GPART sy-vline 
WA_FKKEXC_DP_STR-VALUT sy-vline 
WA_FKKEXC_DP_STR-BUDAT sy-vline 
WA_FKKEXC_DP_STR-VKONT sy-vline 
WA_FKKEXC_DP_STR-BLDAT sy-vline 
WA_FKKEXC_DP_STR-VALUT sy-vline 
WA_FKKEXC_DP_STR-BUDAT sy-vline 
WA_FKKEXC_DP_STR-BETRZ_GRP sy-vline 
WA_FKKEXC_DP_STR-BLDAT sy-vline 
WA_FKKEXC_DP_STR-BETRZ_GRP sy-vline 
WA_FKKEXC_DP_STR-XEXTC sy-vline      INTO ld_text SEPARATED BY SPACE.

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