ABAP Select data from SAP table BONUSKOM_ENH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BONUSKOM_ENH
*  INTO TABLE @DATA(IT_BONUSKOM_ENH2).
*--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_BONUSKOM_ENH INDEX 1 INTO DATA(WA_BONUSKOM_ENH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BONUSKOM_ENH>-KNUMH = 1.
<BONUSKOM_ENH>-KOPOS = 1.
<BONUSKOM_ENH>-KSCHL = 1.
<BONUSKOM_ENH>-MATNR = 1.
<BONUSKOM_ENH>-KRECH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BONUSKOM_ENH-KRUEK, sy-vline,
  WA_BONUSKOM_ENH-KSTAT, sy-vline,
  WA_BONUSKOM_ENH-KBETR, sy-vline,
  WA_BONUSKOM_ENH-KMEIN, sy-vline,
  WA_BONUSKOM_ENH-KPEIN, sy-vline,
  WA_BONUSKOM_ENH-KAWRT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BONUSKOM_ENH 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_BONUSKOM_ENH 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_BONUSKOM_ENH INTO WA_BONUSKOM_ENH.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_BONUSKOM_ENH-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BONUSKOM_ENH-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BONUSKOM_ENH-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BONUSKOM_ENH-KMEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KONMS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BONUSKOM_ENH-KONMS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BONUSKOM_ENH-KONMS.
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_BONUSKOM_ENH_STR, 
KNUMH TYPE STRING,
KOPOS TYPE STRING,
KSCHL TYPE STRING,
MATNR TYPE STRING,
KRECH TYPE STRING,
KRUEK TYPE STRING,
KSTAT TYPE STRING,
KBETR TYPE STRING,
KMEIN TYPE STRING,
KPEIN TYPE STRING,
KAWRT TYPE STRING,
KWERT TYPE STRING,
KZBZG TYPE STRING,
KSTBS TYPE STRING,
KONMS TYPE STRING,
KONWS TYPE STRING,
KWAEH TYPE STRING,
WAERS TYPE STRING,
KWERT_K TYPE STRING,
KAWRT_K TYPE STRING,
VAKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BONUSKOM_ENH_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_BONUSKOM_ENH_STR-KNUMH sy-vline 
WA_BONUSKOM_ENH_STR-KOPOS sy-vline 
WA_BONUSKOM_ENH_STR-KSCHL sy-vline 
WA_BONUSKOM_ENH_STR-MATNR sy-vline 
WA_BONUSKOM_ENH_STR-KRECH sy-vline 
WA_BONUSKOM_ENH_STR-KRUEK sy-vline 
WA_BONUSKOM_ENH_STR-KSTAT sy-vline 
WA_BONUSKOM_ENH_STR-KBETR sy-vline 
WA_BONUSKOM_ENH_STR-KMEIN sy-vline 
WA_BONUSKOM_ENH_STR-KPEIN sy-vline 
WA_BONUSKOM_ENH_STR-KAWRT sy-vline 
WA_BONUSKOM_ENH_STR-KWERT sy-vline 
WA_BONUSKOM_ENH_STR-KZBZG sy-vline 
WA_BONUSKOM_ENH_STR-KSTBS sy-vline 
WA_BONUSKOM_ENH_STR-KONMS sy-vline 
WA_BONUSKOM_ENH_STR-KONWS sy-vline 
WA_BONUSKOM_ENH_STR-KWAEH sy-vline 
WA_BONUSKOM_ENH_STR-WAERS sy-vline 
WA_BONUSKOM_ENH_STR-KWERT_K sy-vline 
WA_BONUSKOM_ENH_STR-KAWRT_K sy-vline 
WA_BONUSKOM_ENH_STR-VAKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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