ABAP Select data from SAP table RESBDF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RESBDF
*  INTO TABLE @DATA(IT_RESBDF2).
*--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_RESBDF INDEX 1 INTO DATA(WA_RESBDF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RESBDF>-MANDT = 1.
<RESBDF>-RSPOS = 1.
<RESBDF>-XLOEK = 1.
<RESBDF>-KZEAR = 1.
<RESBDF>-MATNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RESBDF-WERKS, sy-vline,
  WA_RESBDF-LGORT, sy-vline,
  WA_RESBDF-CHARG, sy-vline,
  WA_RESBDF-BDTER, sy-vline,
  WA_RESBDF-POSTP, sy-vline,
  WA_RESBDF-POSNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RESBDF 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_RESBDF 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_RESBDF INTO WA_RESBDF.


*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_RESBDF-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBDF-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RESBDF-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBDF-POSNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RESBDF-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESBDF-VORNR.
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_RESBDF_STR, 
MANDT TYPE STRING,
RSPOS TYPE STRING,
XLOEK TYPE STRING,
KZEAR TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
CHARG TYPE STRING,
BDTER TYPE STRING,
POSTP TYPE STRING,
POSNR TYPE STRING,
SCHGT TYPE STRING,
DUMPS TYPE STRING,
AUFST TYPE STRING,
AUFWG TYPE STRING,
BAUST TYPE STRING,
PLNFL TYPE STRING,
VORNR TYPE STRING,
FLGAT TYPE STRING,
RGEKZ TYPE STRING,
MENGE TYPE STRING,
DVMENG TYPE STRING,
DFMENG TYPE STRING,
EKORG TYPE STRING,
SPLKZ TYPE STRING,
KZECH TYPE STRING,
DBSKZ_D TYPE STRING,
XFEHL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RESBDF_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_RESBDF_STR-MANDT sy-vline 
WA_RESBDF_STR-RSPOS sy-vline 
WA_RESBDF_STR-XLOEK sy-vline 
WA_RESBDF_STR-KZEAR sy-vline 
WA_RESBDF_STR-MATNR sy-vline 
WA_RESBDF_STR-WERKS sy-vline 
WA_RESBDF_STR-LGORT sy-vline 
WA_RESBDF_STR-CHARG sy-vline 
WA_RESBDF_STR-BDTER sy-vline 
WA_RESBDF_STR-POSTP sy-vline 
WA_RESBDF_STR-POSNR sy-vline 
WA_RESBDF_STR-SCHGT sy-vline 
WA_RESBDF_STR-DUMPS sy-vline 
WA_RESBDF_STR-AUFST sy-vline 
WA_RESBDF_STR-AUFWG sy-vline 
WA_RESBDF_STR-BAUST sy-vline 
WA_RESBDF_STR-PLNFL sy-vline 
WA_RESBDF_STR-VORNR sy-vline 
WA_RESBDF_STR-FLGAT sy-vline 
WA_RESBDF_STR-RGEKZ sy-vline 
WA_RESBDF_STR-MENGE sy-vline 
WA_RESBDF_STR-DVMENG sy-vline 
WA_RESBDF_STR-DFMENG sy-vline 
WA_RESBDF_STR-EKORG sy-vline 
WA_RESBDF_STR-SPLKZ sy-vline 
WA_RESBDF_STR-KZECH sy-vline 
WA_RESBDF_STR-DBSKZ_D sy-vline 
WA_RESBDF_STR-XFEHL sy-vline      INTO ld_text SEPARATED BY SPACE.

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