ABAP Select data from SAP table RF61D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RF61D 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 RF61D. 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 RF61D 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_RF61D TYPE STANDARD TABLE OF RF61D,
      WA_RF61D TYPE RF61D,
      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: <RF61D> TYPE RF61D.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RF61D.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RF61D
  INTO TABLE IT_RF61D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RF61D
*  INTO TABLE @DATA(IT_RF61D2).
*--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_RF61D INDEX 1 INTO DATA(WA_RF61D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RF61D ASSIGNING <RF61D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RF61D>-ARBPL = 1.
<RF61D>-STEXT = 1.
<RF61D>-KAPAR = 1.
<RF61D>-KAPTX = 1.
<RF61D>-KNAME = 1.

ENDLOOP.

LOOP AT IT_RF61D INTO WA_RF61D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RF61D-MEINS, sy-vline,
  WA_RF61D-MSEHT, sy-vline,
  WA_RF61D-MATNR, sy-vline,
  WA_RF61D-MAKTX, sy-vline,
  WA_RF61D-WERKS, sy-vline,
  WA_RF61D-PLNUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RF61D 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_RF61D 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_RF61D INTO WA_RF61D.


*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 CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RF61D-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF61D-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RF61D-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF61D-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RF61D-PLNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF61D-PLNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORDID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RF61D-ORDID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF61D-ORDID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field KBMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RF61D-KBMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF61D-KBMAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITB
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RF61D-UNITB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF61D-UNITB.
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_RF61D_STR, 
ARBPL TYPE STRING,
STEXT TYPE STRING,
KAPAR TYPE STRING,
KAPTX TYPE STRING,
KNAME TYPE STRING,
MEINS TYPE STRING,
MSEHT TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
WERKS TYPE STRING,
PLNUM TYPE STRING,
PERIO TYPE STRING,
AVAIL TYPE STRING,
RQTOT TYPE STRING,
RQMAT TYPE STRING,
RQPLA TYPE STRING,
PCTOT TYPE STRING,
PCMAT TYPE STRING,
PCPLA TYPE STRING,
FCODE TYPE STRING,
PANEW TYPE STRING,
PASUM TYPE STRING,
GSMNG TYPE STRING,
PSTTR TYPE STRING,
PEDTR TYPE STRING,
ORDTP TYPE STRING,
ORDID TYPE STRING,
KBMAT TYPE STRING,
TOTQT TYPE STRING,
PDATE TYPE STRING,
CAPRQ TYPE STRING,
TRMER TYPE STRING,
DTEXT TYPE STRING,
RADIO TYPE STRING,
UNITB TYPE STRING,
CAPA1 TYPE STRING,
CAPA2 TYPE STRING,
CAPA3 TYPE STRING,
STYPE TYPE STRING,
KTAGE TYPE STRING,
KWOCH TYPE STRING,
KMONA TYPE STRING,
KFLPR TYPE STRING,
KMRPP TYPE STRING,
PRCT1 TYPE STRING,
PRCT2 TYPE STRING,
PRCT3 TYPE STRING,
OVERL TYPE STRING,
OLOAD TYPE STRING,
VERID TYPE STRING,
PWWRK TYPE STRING,
KAPFX TYPE STRING,
MRPPP TYPE STRING,
MAXLD TYPE STRING,
PERI1 TYPE STRING,
PERI2 TYPE STRING,
OLPLA TYPE STRING,
OLMAT TYPE STRING,
OLTOT TYPE STRING,
PDATV TYPE STRING,
PDATB TYPE STRING,
WERKS_CRHD TYPE STRING,
PAART TYPE STRING,
OVLOAD_ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RF61D_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_RF61D_STR-ARBPL sy-vline 
WA_RF61D_STR-STEXT sy-vline 
WA_RF61D_STR-KAPAR sy-vline 
WA_RF61D_STR-KAPTX sy-vline 
WA_RF61D_STR-KNAME sy-vline 
WA_RF61D_STR-MEINS sy-vline 
WA_RF61D_STR-MSEHT sy-vline 
WA_RF61D_STR-MATNR sy-vline 
WA_RF61D_STR-MAKTX sy-vline 
WA_RF61D_STR-WERKS sy-vline 
WA_RF61D_STR-PLNUM sy-vline 
WA_RF61D_STR-PERIO sy-vline 
WA_RF61D_STR-AVAIL sy-vline 
WA_RF61D_STR-RQTOT sy-vline 
WA_RF61D_STR-RQMAT sy-vline 
WA_RF61D_STR-RQPLA sy-vline 
WA_RF61D_STR-PCTOT sy-vline 
WA_RF61D_STR-PCMAT sy-vline 
WA_RF61D_STR-PCPLA sy-vline 
WA_RF61D_STR-FCODE sy-vline 
WA_RF61D_STR-PANEW sy-vline 
WA_RF61D_STR-PASUM sy-vline 
WA_RF61D_STR-GSMNG sy-vline 
WA_RF61D_STR-PSTTR sy-vline 
WA_RF61D_STR-PEDTR sy-vline 
WA_RF61D_STR-ORDTP sy-vline 
WA_RF61D_STR-ORDID sy-vline 
WA_RF61D_STR-KBMAT sy-vline 
WA_RF61D_STR-TOTQT sy-vline 
WA_RF61D_STR-PDATE sy-vline 
WA_RF61D_STR-CAPRQ sy-vline 
WA_RF61D_STR-TRMER sy-vline 
WA_RF61D_STR-DTEXT sy-vline 
WA_RF61D_STR-RADIO sy-vline 
WA_RF61D_STR-UNITB sy-vline 
WA_RF61D_STR-CAPA1 sy-vline 
WA_RF61D_STR-CAPA2 sy-vline 
WA_RF61D_STR-CAPA3 sy-vline 
WA_RF61D_STR-STYPE sy-vline 
WA_RF61D_STR-KTAGE sy-vline 
WA_RF61D_STR-KWOCH sy-vline 
WA_RF61D_STR-KMONA sy-vline 
WA_RF61D_STR-KFLPR sy-vline 
WA_RF61D_STR-KMRPP sy-vline 
WA_RF61D_STR-PRCT1 sy-vline 
WA_RF61D_STR-PRCT2 sy-vline 
WA_RF61D_STR-PRCT3 sy-vline 
WA_RF61D_STR-OVERL sy-vline 
WA_RF61D_STR-OLOAD sy-vline 
WA_RF61D_STR-VERID sy-vline 
WA_RF61D_STR-PWWRK sy-vline 
WA_RF61D_STR-KAPFX sy-vline 
WA_RF61D_STR-MRPPP sy-vline 
WA_RF61D_STR-MAXLD sy-vline 
WA_RF61D_STR-PERI1 sy-vline 
WA_RF61D_STR-PERI2 sy-vline 
WA_RF61D_STR-OLPLA sy-vline 
WA_RF61D_STR-OLMAT sy-vline 
WA_RF61D_STR-OLTOT sy-vline 
WA_RF61D_STR-PDATV sy-vline 
WA_RF61D_STR-PDATB sy-vline 
WA_RF61D_STR-WERKS_CRHD sy-vline 
WA_RF61D_STR-PAART sy-vline 
WA_RF61D_STR-OVLOAD_ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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