ABAP Select data from SAP table FKKRETBW_DELTA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKRETBW_DELTA
*  INTO TABLE @DATA(IT_FKKRETBW_DELTA2).
*--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_FKKRETBW_DELTA INDEX 1 INTO DATA(WA_FKKRETBW_DELTA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKRETBW_DELTA>-RLBEL = 1.
<FKKRETBW_DELTA>-KEYR1 = 1.
<FKKRETBW_DELTA>-POSRA = 1.
<FKKRETBW_DELTA>-GPART = 1.
<FKKRETBW_DELTA>-OPBEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKRETBW_DELTA-URBEL, sy-vline,
  WA_FKKRETBW_DELTA-BETRWR, sy-vline,
  WA_FKKRETBW_DELTA-BETRR, sy-vline,
  WA_FKKRETBW_DELTA-BTRB1, sy-vline,
  WA_FKKRETBW_DELTA-BTRB2, sy-vline,
  WA_FKKRETBW_DELTA-STBB1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKRETBW_DELTA 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_FKKRETBW_DELTA 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_FKKRETBW_DELTA INTO WA_FKKRETBW_DELTA.


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

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

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

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

*Conversion exit ALPHA, internal->external for field STBLG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKRETBW_DELTA-STBLG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKRETBW_DELTA-STBLG.
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_FKKRETBW_DELTA_STR, 
RLBEL TYPE STRING,
KEYR1 TYPE STRING,
POSRA TYPE STRING,
GPART TYPE STRING,
OPBEL TYPE STRING,
URBEL TYPE STRING,
BETRWR TYPE STRING,
BETRR TYPE STRING,
BTRB1 TYPE STRING,
BTRB2 TYPE STRING,
STBB1 TYPE STRING,
STBB2 TYPE STRING,
BTRV1 TYPE STRING,
BTRV2 TYPE STRING,
STBV1 TYPE STRING,
STBV2 TYPE STRING,
RLGB1 TYPE STRING,
RLGB2 TYPE STRING,
WAERS TYPE STRING,
RLDIR TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
VALUT TYPE STRING,
RLGRD TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
STODT TYPE STRING,
STBLG TYPE STRING,
XSTOR TYPE STRING,
ERDAT TYPE STRING,
BUKRS TYPE STRING,
XGEBV TYPE STRING,
XGEBS TYPE STRING,
MSPOP TYPE STRING,
MSPOP_DAYS TYPE STRING,
PSPOP TYPE STRING,
PSPOP_DAYS TYPE STRING,
MSPKO TYPE STRING,
MSPKO_DAYS TYPE STRING,
EZSKO TYPE STRING,
EZSKO_DAYS TYPE STRING,
AZSKO TYPE STRING,
AZSKO_DAYS TYPE STRING,
EZAWE TYPE STRING,
XDELEZAWE TYPE STRING,
XDELAZAWE TYPE STRING,
MACHG TYPE STRING,
BSNTE TYPE STRING,
BCORR TYPE STRING,
EZVTG TYPE STRING,
EZVTG_DAYS TYPE STRING,
AZVTG TYPE STRING,
AZVTG_DAYS TYPE STRING,
MSVTG TYPE STRING,
MSVTG_DAYS TYPE STRING,
XDELPZAWE TYPE STRING,
XCORPZAWE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKRETBW_DELTA_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_FKKRETBW_DELTA_STR-RLBEL sy-vline 
WA_FKKRETBW_DELTA_STR-KEYR1 sy-vline 
WA_FKKRETBW_DELTA_STR-POSRA sy-vline 
WA_FKKRETBW_DELTA_STR-GPART sy-vline 
WA_FKKRETBW_DELTA_STR-OPBEL sy-vline 
WA_FKKRETBW_DELTA_STR-URBEL sy-vline 
WA_FKKRETBW_DELTA_STR-BETRWR sy-vline 
WA_FKKRETBW_DELTA_STR-BETRR sy-vline 
WA_FKKRETBW_DELTA_STR-BTRB1 sy-vline 
WA_FKKRETBW_DELTA_STR-BTRB2 sy-vline 
WA_FKKRETBW_DELTA_STR-STBB1 sy-vline 
WA_FKKRETBW_DELTA_STR-STBB2 sy-vline 
WA_FKKRETBW_DELTA_STR-BTRV1 sy-vline 
WA_FKKRETBW_DELTA_STR-BTRV2 sy-vline 
WA_FKKRETBW_DELTA_STR-STBV1 sy-vline 
WA_FKKRETBW_DELTA_STR-STBV2 sy-vline 
WA_FKKRETBW_DELTA_STR-RLGB1 sy-vline 
WA_FKKRETBW_DELTA_STR-RLGB2 sy-vline 
WA_FKKRETBW_DELTA_STR-WAERS sy-vline 
WA_FKKRETBW_DELTA_STR-RLDIR sy-vline 
WA_FKKRETBW_DELTA_STR-BUDAT sy-vline 
WA_FKKRETBW_DELTA_STR-BLDAT sy-vline 
WA_FKKRETBW_DELTA_STR-VALUT sy-vline 
WA_FKKRETBW_DELTA_STR-RLGRD sy-vline 
WA_FKKRETBW_DELTA_STR-HBKID sy-vline 
WA_FKKRETBW_DELTA_STR-HKTID sy-vline 
WA_FKKRETBW_DELTA_STR-STODT sy-vline 
WA_FKKRETBW_DELTA_STR-STBLG sy-vline 
WA_FKKRETBW_DELTA_STR-XSTOR sy-vline 
WA_FKKRETBW_DELTA_STR-ERDAT sy-vline 
WA_FKKRETBW_DELTA_STR-BUKRS sy-vline 
WA_FKKRETBW_DELTA_STR-XGEBV sy-vline 
WA_FKKRETBW_DELTA_STR-XGEBS sy-vline 
WA_FKKRETBW_DELTA_STR-MSPOP sy-vline 
WA_FKKRETBW_DELTA_STR-MSPOP_DAYS sy-vline 
WA_FKKRETBW_DELTA_STR-PSPOP sy-vline 
WA_FKKRETBW_DELTA_STR-PSPOP_DAYS sy-vline 
WA_FKKRETBW_DELTA_STR-MSPKO sy-vline 
WA_FKKRETBW_DELTA_STR-MSPKO_DAYS sy-vline 
WA_FKKRETBW_DELTA_STR-EZSKO sy-vline 
WA_FKKRETBW_DELTA_STR-EZSKO_DAYS sy-vline 
WA_FKKRETBW_DELTA_STR-AZSKO sy-vline 
WA_FKKRETBW_DELTA_STR-AZSKO_DAYS sy-vline 
WA_FKKRETBW_DELTA_STR-EZAWE sy-vline 
WA_FKKRETBW_DELTA_STR-XDELEZAWE sy-vline 
WA_FKKRETBW_DELTA_STR-XDELAZAWE sy-vline 
WA_FKKRETBW_DELTA_STR-MACHG sy-vline 
WA_FKKRETBW_DELTA_STR-BSNTE sy-vline 
WA_FKKRETBW_DELTA_STR-BCORR sy-vline 
WA_FKKRETBW_DELTA_STR-EZVTG sy-vline 
WA_FKKRETBW_DELTA_STR-EZVTG_DAYS sy-vline 
WA_FKKRETBW_DELTA_STR-AZVTG sy-vline 
WA_FKKRETBW_DELTA_STR-AZVTG_DAYS sy-vline 
WA_FKKRETBW_DELTA_STR-MSVTG sy-vline 
WA_FKKRETBW_DELTA_STR-MSVTG_DAYS sy-vline 
WA_FKKRETBW_DELTA_STR-XDELPZAWE sy-vline 
WA_FKKRETBW_DELTA_STR-XCORPZAWE sy-vline      INTO ld_text SEPARATED BY SPACE.

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