ABAP Select data from SAP table REBD_CHARACT_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REBD_CHARACT_S
*  INTO TABLE @DATA(IT_REBD_CHARACT_S2).
*--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_REBD_CHARACT_S INDEX 1 INTO DATA(WA_REBD_CHARACT_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REBD_CHARACT_S>-MANDT = 1.
<REBD_CHARACT_S>-INTRENO = 1.
<REBD_CHARACT_S>-FIXFITCHARACT = 1.
<REBD_CHARACT_S>-VALIDTO = 1.
<REBD_CHARACT_S>-VALIDFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REBD_CHARACT_S-WEIGHT, sy-vline,
  WA_REBD_CHARACT_S-RESULTVAL, sy-vline,
  WA_REBD_CHARACT_S-ADDITIONALINFO, sy-vline,
  WA_REBD_CHARACT_S-MODERNMEASURE, sy-vline,
  WA_REBD_CHARACT_S-AMOUNTPERAREA, sy-vline,
  WA_REBD_CHARACT_S-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REBD_CHARACT_S 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_REBD_CHARACT_S 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_REBD_CHARACT_S INTO WA_REBD_CHARACT_S.


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

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REBD_CHARACT_S-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_CHARACT_S-VALIDTO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RLRAGRPCHCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REBD_CHARACT_S-RLRAGRPCHCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_CHARACT_S-RLRAGRPCHCT.
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_REBD_CHARACT_S_STR, 
MANDT TYPE STRING,
INTRENO TYPE STRING,
FIXFITCHARACT TYPE STRING,
VALIDTO TYPE STRING,
VALIDFROM TYPE STRING,
WEIGHT TYPE STRING,
RESULTVAL TYPE STRING,
ADDITIONALINFO TYPE STRING,
MODERNMEASURE TYPE STRING,
AMOUNTPERAREA TYPE STRING,
CURRENCY TYPE STRING,
FFCTACCURATE TYPE STRING,
CHARACTAMTAREA TYPE STRING,
CHARACTPERCENT TYPE STRING,
CHARACTAMTABS TYPE STRING,
CHARACTCOUNT TYPE STRING,
SUPPLEMENTINFO TYPE STRING,
XFIXFITCHARACT TYPE STRING,
RELEVANTRO TYPE STRING,
RELEVANTBU TYPE STRING,
RLRACHARACTCATE TYPE STRING,
RLRACHCTWEIGHT TYPE STRING,
RLRAMEAS TYPE STRING,
RLRAUNIT TYPE STRING,
RELEVANTRLRA TYPE STRING,
RLRAPOINTMIN TYPE STRING,
RLRAPOINTMAX TYPE STRING,
RLRAPOINTMID TYPE STRING,
RLRAPOINTFSTAT TYPE STRING,
XRLRACHARACTCATE TYPE STRING,
RLRA TYPE STRING,
XRLRA TYPE STRING,
RLRAGRPCHCT TYPE STRING,
XRLRAGRPCHCT TYPE STRING,
HASNOTE TYPE STRING,
ICONHASNOTE TYPE STRING,
RLRAADDINFO TYPE STRING,
CHARACTWEIGHTSUM TYPE STRING,
CHARACTGRPSUM TYPE STRING,
RLRAAMOUNTCHFS TYPE STRING,
RLRAPERWEIGHTFS TYPE STRING,
RLRAAMTCHABSFS TYPE STRING,
FFCTACCURATEBU TYPE STRING,
FFCTEXISTSBU TYPE STRING,
INTPOLTYPE TYPE STRING,
WEIGHTINTPOL TYPE STRING,
CUEXCLUDEASSIGN TYPE STRING,
DATEINFO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REBD_CHARACT_S_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_REBD_CHARACT_S_STR-MANDT sy-vline 
WA_REBD_CHARACT_S_STR-INTRENO sy-vline 
WA_REBD_CHARACT_S_STR-FIXFITCHARACT sy-vline 
WA_REBD_CHARACT_S_STR-VALIDTO sy-vline 
WA_REBD_CHARACT_S_STR-VALIDFROM sy-vline 
WA_REBD_CHARACT_S_STR-WEIGHT sy-vline 
WA_REBD_CHARACT_S_STR-RESULTVAL sy-vline 
WA_REBD_CHARACT_S_STR-ADDITIONALINFO sy-vline 
WA_REBD_CHARACT_S_STR-MODERNMEASURE sy-vline 
WA_REBD_CHARACT_S_STR-AMOUNTPERAREA sy-vline 
WA_REBD_CHARACT_S_STR-CURRENCY sy-vline 
WA_REBD_CHARACT_S_STR-FFCTACCURATE sy-vline 
WA_REBD_CHARACT_S_STR-CHARACTAMTAREA sy-vline 
WA_REBD_CHARACT_S_STR-CHARACTPERCENT sy-vline 
WA_REBD_CHARACT_S_STR-CHARACTAMTABS sy-vline 
WA_REBD_CHARACT_S_STR-CHARACTCOUNT sy-vline 
WA_REBD_CHARACT_S_STR-SUPPLEMENTINFO sy-vline 
WA_REBD_CHARACT_S_STR-XFIXFITCHARACT sy-vline 
WA_REBD_CHARACT_S_STR-RELEVANTRO sy-vline 
WA_REBD_CHARACT_S_STR-RELEVANTBU sy-vline 
WA_REBD_CHARACT_S_STR-RLRACHARACTCATE sy-vline 
WA_REBD_CHARACT_S_STR-RLRACHCTWEIGHT sy-vline 
WA_REBD_CHARACT_S_STR-RLRAMEAS sy-vline 
WA_REBD_CHARACT_S_STR-RLRAUNIT sy-vline 
WA_REBD_CHARACT_S_STR-RELEVANTRLRA sy-vline 
WA_REBD_CHARACT_S_STR-RLRAPOINTMIN sy-vline 
WA_REBD_CHARACT_S_STR-RLRAPOINTMAX sy-vline 
WA_REBD_CHARACT_S_STR-RLRAPOINTMID sy-vline 
WA_REBD_CHARACT_S_STR-RLRAPOINTFSTAT sy-vline 
WA_REBD_CHARACT_S_STR-XRLRACHARACTCATE sy-vline 
WA_REBD_CHARACT_S_STR-RLRA sy-vline 
WA_REBD_CHARACT_S_STR-XRLRA sy-vline 
WA_REBD_CHARACT_S_STR-RLRAGRPCHCT sy-vline 
WA_REBD_CHARACT_S_STR-XRLRAGRPCHCT sy-vline 
WA_REBD_CHARACT_S_STR-HASNOTE sy-vline 
WA_REBD_CHARACT_S_STR-ICONHASNOTE sy-vline 
WA_REBD_CHARACT_S_STR-RLRAADDINFO sy-vline 
WA_REBD_CHARACT_S_STR-CHARACTWEIGHTSUM sy-vline 
WA_REBD_CHARACT_S_STR-CHARACTGRPSUM sy-vline 
WA_REBD_CHARACT_S_STR-RLRAAMOUNTCHFS sy-vline 
WA_REBD_CHARACT_S_STR-RLRAPERWEIGHTFS sy-vline 
WA_REBD_CHARACT_S_STR-RLRAAMTCHABSFS sy-vline 
WA_REBD_CHARACT_S_STR-FFCTACCURATEBU sy-vline 
WA_REBD_CHARACT_S_STR-FFCTEXISTSBU sy-vline 
WA_REBD_CHARACT_S_STR-INTPOLTYPE sy-vline 
WA_REBD_CHARACT_S_STR-WEIGHTINTPOL sy-vline 
WA_REBD_CHARACT_S_STR-CUEXCLUDEASSIGN sy-vline 
WA_REBD_CHARACT_S_STR-DATEINFO sy-vline      INTO ld_text SEPARATED BY SPACE.

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