ABAP Select data from SAP table BONUSVALUE_ENH into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BONUSVALUE_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 BONUSVALUE_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 BONUSVALUE_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_BONUSVALUE_ENH TYPE STANDARD TABLE OF BONUSVALUE_ENH,
      WA_BONUSVALUE_ENH TYPE BONUSVALUE_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: <BONUSVALUE_ENH> TYPE BONUSVALUE_ENH.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BONUSVALUE_ENH
*  INTO TABLE @DATA(IT_BONUSVALUE_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_BONUSVALUE_ENH INDEX 1 INTO DATA(WA_BONUSVALUE_ENH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BONUSVALUE_ENH>-KNUMH = 1.
<BONUSVALUE_ENH>-KOPOS = 1.
<BONUSVALUE_ENH>-VBELN = 1.
<BONUSVALUE_ENH>-KBETR = 1.
<BONUSVALUE_ENH>-KMEIN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BONUSVALUE_ENH-KPEIN, sy-vline,
  WA_BONUSVALUE_ENH-KONWA, sy-vline,
  WA_BONUSVALUE_ENH-KRECH, sy-vline,
  WA_BONUSVALUE_ENH-KAWRT, sy-vline,
  WA_BONUSVALUE_ENH-KSTBS, sy-vline,
  WA_BONUSVALUE_ENH-KWAEH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BONUSVALUE_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_BONUSVALUE_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_BONUSVALUE_ENH INTO WA_BONUSVALUE_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 ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BONUSVALUE_ENH-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BONUSVALUE_ENH-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BONUSVALUE_ENH-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BONUSVALUE_ENH-KMEIN.
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_BONUSVALUE_ENH_STR, 
KNUMH TYPE STRING,
KOPOS TYPE STRING,
VBELN TYPE STRING,
KBETR TYPE STRING,
KMEIN TYPE STRING,
KPEIN TYPE STRING,
KONWA TYPE STRING,
KRECH TYPE STRING,
KAWRT TYPE STRING,
KSTBS TYPE STRING,
KWAEH TYPE STRING,
AUWRT TYPE STRING,
RUWRT TYPE STRING,
VBTYP TYPE STRING,
DOPEN TYPE STRING,
KUNN0 TYPE STRING,
FBUDA TYPE STRING,
LUWRT TYPE STRING,
VAKEY_ENH TYPE STRING,
DATAB_ENH TYPE STRING,
DATBI_ENH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BONUSVALUE_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_BONUSVALUE_ENH_STR-KNUMH sy-vline 
WA_BONUSVALUE_ENH_STR-KOPOS sy-vline 
WA_BONUSVALUE_ENH_STR-VBELN sy-vline 
WA_BONUSVALUE_ENH_STR-KBETR sy-vline 
WA_BONUSVALUE_ENH_STR-KMEIN sy-vline 
WA_BONUSVALUE_ENH_STR-KPEIN sy-vline 
WA_BONUSVALUE_ENH_STR-KONWA sy-vline 
WA_BONUSVALUE_ENH_STR-KRECH sy-vline 
WA_BONUSVALUE_ENH_STR-KAWRT sy-vline 
WA_BONUSVALUE_ENH_STR-KSTBS sy-vline 
WA_BONUSVALUE_ENH_STR-KWAEH sy-vline 
WA_BONUSVALUE_ENH_STR-AUWRT sy-vline 
WA_BONUSVALUE_ENH_STR-RUWRT sy-vline 
WA_BONUSVALUE_ENH_STR-VBTYP sy-vline 
WA_BONUSVALUE_ENH_STR-DOPEN sy-vline 
WA_BONUSVALUE_ENH_STR-KUNN0 sy-vline 
WA_BONUSVALUE_ENH_STR-FBUDA sy-vline 
WA_BONUSVALUE_ENH_STR-LUWRT sy-vline 
WA_BONUSVALUE_ENH_STR-VAKEY_ENH sy-vline 
WA_BONUSVALUE_ENH_STR-DATAB_ENH sy-vline 
WA_BONUSVALUE_ENH_STR-DATBI_ENH sy-vline      INTO ld_text SEPARATED BY SPACE.

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