ABAP Select data from SAP table REBFCR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REBFCR
*  INTO TABLE @DATA(IT_REBFCR2).
*--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_REBFCR INDEX 1 INTO DATA(WA_REBFCR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REBFCR>-GENTYPE = 1.
<REBFCR>-GENPACKAGE = 1.
<REBFCR>-GENBUSNAME = 1.
<REBFCR>-GENBUSDESC = 1.
<REBFCR>-GENCLSNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REBFCR-GENPREFIX, sy-vline,
  WA_REBFCR-GENTEMPLATE, sy-vline,
  WA_REBFCR-OBJNAME, sy-vline,
  WA_REBFCR-OBJTEXTTAB, sy-vline,
  WA_REBFCR-OBJTEXTFLD, sy-vline,
  WA_REBFCR-OBJTEXTFLD2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REBFCR 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_REBFCR 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_REBFCR INTO WA_REBFCR.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_REBFCR_STR, 
GENTYPE TYPE STRING,
GENPACKAGE TYPE STRING,
GENBUSNAME TYPE STRING,
GENBUSDESC TYPE STRING,
GENCLSNAME TYPE STRING,
GENPREFIX TYPE STRING,
GENTEMPLATE TYPE STRING,
OBJNAME TYPE STRING,
OBJTEXTTAB TYPE STRING,
OBJTEXTFLD TYPE STRING,
OBJTEXTFLD2 TYPE STRING,
OBJTEXTFLD3 TYPE STRING,
BUFKEYFLDS TYPE STRING,
FLDINTRENO TYPE STRING,
FLDOBJNR TYPE STRING,
FLDIMKEY TYPE STRING,
FLDGUID TYPE STRING,
AUTHOBJ TYPE STRING,
ENQUOBJ TYPE STRING,
AUTHOR TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
GENLOCK TYPE STRING,
GENSTATUS TYPE STRING,
GENOBJMOD TYPE STRING,
SELECTED TYPE STRING,
ICONGENOBJMOD TYPE STRING,
ICONGENLOCK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REBFCR_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_REBFCR_STR-GENTYPE sy-vline 
WA_REBFCR_STR-GENPACKAGE sy-vline 
WA_REBFCR_STR-GENBUSNAME sy-vline 
WA_REBFCR_STR-GENBUSDESC sy-vline 
WA_REBFCR_STR-GENCLSNAME sy-vline 
WA_REBFCR_STR-GENPREFIX sy-vline 
WA_REBFCR_STR-GENTEMPLATE sy-vline 
WA_REBFCR_STR-OBJNAME sy-vline 
WA_REBFCR_STR-OBJTEXTTAB sy-vline 
WA_REBFCR_STR-OBJTEXTFLD sy-vline 
WA_REBFCR_STR-OBJTEXTFLD2 sy-vline 
WA_REBFCR_STR-OBJTEXTFLD3 sy-vline 
WA_REBFCR_STR-BUFKEYFLDS sy-vline 
WA_REBFCR_STR-FLDINTRENO sy-vline 
WA_REBFCR_STR-FLDOBJNR sy-vline 
WA_REBFCR_STR-FLDIMKEY sy-vline 
WA_REBFCR_STR-FLDGUID sy-vline 
WA_REBFCR_STR-AUTHOBJ sy-vline 
WA_REBFCR_STR-ENQUOBJ sy-vline 
WA_REBFCR_STR-AUTHOR sy-vline 
WA_REBFCR_STR-RERF sy-vline 
WA_REBFCR_STR-DERF sy-vline 
WA_REBFCR_STR-TERF sy-vline 
WA_REBFCR_STR-REHER sy-vline 
WA_REBFCR_STR-RBEAR sy-vline 
WA_REBFCR_STR-DBEAR sy-vline 
WA_REBFCR_STR-TBEAR sy-vline 
WA_REBFCR_STR-RBHER sy-vline 
WA_REBFCR_STR-GENLOCK sy-vline 
WA_REBFCR_STR-GENSTATUS sy-vline 
WA_REBFCR_STR-GENOBJMOD sy-vline 
WA_REBFCR_STR-SELECTED sy-vline 
WA_REBFCR_STR-ICONGENOBJMOD sy-vline 
WA_REBFCR_STR-ICONGENLOCK sy-vline      INTO ld_text SEPARATED BY SPACE.

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