ABAP Select data from SAP table RFKORD_S_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFKORD_S_ITEM
*  INTO TABLE @DATA(IT_RFKORD_S_ITEM2).
*--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_RFKORD_S_ITEM INDEX 1 INTO DATA(WA_RFKORD_S_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFKORD_S_ITEM>-CORRID = 1.
<RFKORD_S_ITEM>-BUKRS = 1.
<RFKORD_S_ITEM>-KONTO = 1.
<RFKORD_S_ITEM>-KOART = 1.
<RFKORD_S_ITEM>-UMSKS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFKORD_S_ITEM-UMSKZ, sy-vline,
  WA_RFKORD_S_ITEM-AUGDT, sy-vline,
  WA_RFKORD_S_ITEM-AUGBL, sy-vline,
  WA_RFKORD_S_ITEM-ZUONR, sy-vline,
  WA_RFKORD_S_ITEM-GJAHR, sy-vline,
  WA_RFKORD_S_ITEM-BELNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFKORD_S_ITEM 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_RFKORD_S_ITEM 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_RFKORD_S_ITEM INTO WA_RFKORD_S_ITEM.


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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC132, internal->external for field WRSHB
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-WRSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-WRSHB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field DMSHB
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-DMSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-DMSHB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field WSSHB
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-WSSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-WSSHB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field SKSHB
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-SKSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-SKSHB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field WSSHV
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-WSSHV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-WSSHV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field SKSHV
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-SKSHV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-SKSHV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field PSSHB
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-PSSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-PSSHB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ZLSHB
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-ZLSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-ZLSHB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field ZALBT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-ZALBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-ZALBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field WSKTA
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-WSKTA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-WSKTA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field WRSHN
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-WRSHN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-WRSHN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field AUGBT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-AUGBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-AUGBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field SKTBT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-SKTBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-SKTBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TLZBT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-TLZBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-TLZBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field RPOBT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-RPOBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-RPOBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field ACOBT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-ACOBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-ACOBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field BRTBT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-BRTBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-BRTBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field DIFBT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-DIFBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-DIFBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field UMBBT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-UMBBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-UMBBT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field GKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFKORD_S_ITEM-GKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFKORD_S_ITEM-GKONT.
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_RFKORD_S_ITEM_STR, 
CORRID TYPE STRING,
BUKRS TYPE STRING,
KONTO TYPE STRING,
KOART TYPE STRING,
UMSKS TYPE STRING,
UMSKZ TYPE STRING,
AUGDT TYPE STRING,
AUGBL TYPE STRING,
ZUONR TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
CPUDT TYPE STRING,
WAERS TYPE STRING,
XBLNR TYPE STRING,
BELEGNUM TYPE STRING,
BLART TYPE STRING,
MONAT TYPE STRING,
BSCHL TYPE STRING,
ZUMSK TYPE STRING,
SHKZG TYPE STRING,
GSBER TYPE STRING,
MWSKZ TYPE STRING,
WRSHB TYPE STRING,
DMSHB TYPE STRING,
WSSHB TYPE STRING,
SKSHB TYPE STRING,
WSSHV TYPE STRING,
SKSHV TYPE STRING,
PSWSL TYPE STRING,
PSSHB TYPE STRING,
ZLSHB TYPE STRING,
ZALBT TYPE STRING,
WSKTA TYPE STRING,
WRSHN TYPE STRING,
NETDT TYPE STRING,
VZTAS TYPE STRING,
VSTID TYPE STRING,
SGTXT TYPE STRING,
BLART_DESC TYPE STRING,
BSCHL_DESC TYPE STRING,
AUGBT TYPE STRING,
SKTBT TYPE STRING,
TLZBT TYPE STRING,
RPOBT TYPE STRING,
ACOBT TYPE STRING,
BRTBT TYPE STRING,
DIFBT TYPE STRING,
UMBBT TYPE STRING,
REBZG TYPE STRING,
TAX_PERCENT TYPE STRING,
VTEXT TYPE STRING,
BSTAT TYPE STRING,
ANZSALDB TYPE STRING,
ANZNULLS TYPE STRING,
PRCTR TYPE STRING,
KOSTL TYPE STRING,
DECADE TYPE STRING,
GKONT TYPE STRING,
TRANSACT_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFKORD_S_ITEM_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_RFKORD_S_ITEM_STR-CORRID sy-vline 
WA_RFKORD_S_ITEM_STR-BUKRS sy-vline 
WA_RFKORD_S_ITEM_STR-KONTO sy-vline 
WA_RFKORD_S_ITEM_STR-KOART sy-vline 
WA_RFKORD_S_ITEM_STR-UMSKS sy-vline 
WA_RFKORD_S_ITEM_STR-UMSKZ sy-vline 
WA_RFKORD_S_ITEM_STR-AUGDT sy-vline 
WA_RFKORD_S_ITEM_STR-AUGBL sy-vline 
WA_RFKORD_S_ITEM_STR-ZUONR sy-vline 
WA_RFKORD_S_ITEM_STR-GJAHR sy-vline 
WA_RFKORD_S_ITEM_STR-BELNR sy-vline 
WA_RFKORD_S_ITEM_STR-BUZEI sy-vline 
WA_RFKORD_S_ITEM_STR-BUDAT sy-vline 
WA_RFKORD_S_ITEM_STR-BLDAT sy-vline 
WA_RFKORD_S_ITEM_STR-CPUDT sy-vline 
WA_RFKORD_S_ITEM_STR-WAERS sy-vline 
WA_RFKORD_S_ITEM_STR-XBLNR sy-vline 
WA_RFKORD_S_ITEM_STR-BELEGNUM sy-vline 
WA_RFKORD_S_ITEM_STR-BLART sy-vline 
WA_RFKORD_S_ITEM_STR-MONAT sy-vline 
WA_RFKORD_S_ITEM_STR-BSCHL sy-vline 
WA_RFKORD_S_ITEM_STR-ZUMSK sy-vline 
WA_RFKORD_S_ITEM_STR-SHKZG sy-vline 
WA_RFKORD_S_ITEM_STR-GSBER sy-vline 
WA_RFKORD_S_ITEM_STR-MWSKZ sy-vline 
WA_RFKORD_S_ITEM_STR-WRSHB sy-vline 
WA_RFKORD_S_ITEM_STR-DMSHB sy-vline 
WA_RFKORD_S_ITEM_STR-WSSHB sy-vline 
WA_RFKORD_S_ITEM_STR-SKSHB sy-vline 
WA_RFKORD_S_ITEM_STR-WSSHV sy-vline 
WA_RFKORD_S_ITEM_STR-SKSHV sy-vline 
WA_RFKORD_S_ITEM_STR-PSWSL sy-vline 
WA_RFKORD_S_ITEM_STR-PSSHB sy-vline 
WA_RFKORD_S_ITEM_STR-ZLSHB sy-vline 
WA_RFKORD_S_ITEM_STR-ZALBT sy-vline 
WA_RFKORD_S_ITEM_STR-WSKTA sy-vline 
WA_RFKORD_S_ITEM_STR-WRSHN sy-vline 
WA_RFKORD_S_ITEM_STR-NETDT sy-vline 
WA_RFKORD_S_ITEM_STR-VZTAS sy-vline 
WA_RFKORD_S_ITEM_STR-VSTID sy-vline 
WA_RFKORD_S_ITEM_STR-SGTXT sy-vline 
WA_RFKORD_S_ITEM_STR-BLART_DESC sy-vline 
WA_RFKORD_S_ITEM_STR-BSCHL_DESC sy-vline 
WA_RFKORD_S_ITEM_STR-AUGBT sy-vline 
WA_RFKORD_S_ITEM_STR-SKTBT sy-vline 
WA_RFKORD_S_ITEM_STR-TLZBT sy-vline 
WA_RFKORD_S_ITEM_STR-RPOBT sy-vline 
WA_RFKORD_S_ITEM_STR-ACOBT sy-vline 
WA_RFKORD_S_ITEM_STR-BRTBT sy-vline 
WA_RFKORD_S_ITEM_STR-DIFBT sy-vline 
WA_RFKORD_S_ITEM_STR-UMBBT sy-vline 
WA_RFKORD_S_ITEM_STR-REBZG sy-vline 
WA_RFKORD_S_ITEM_STR-TAX_PERCENT sy-vline 
WA_RFKORD_S_ITEM_STR-VTEXT sy-vline 
WA_RFKORD_S_ITEM_STR-BSTAT sy-vline 
WA_RFKORD_S_ITEM_STR-ANZSALDB sy-vline 
WA_RFKORD_S_ITEM_STR-ANZNULLS sy-vline 
WA_RFKORD_S_ITEM_STR-PRCTR sy-vline 
WA_RFKORD_S_ITEM_STR-KOSTL sy-vline 
WA_RFKORD_S_ITEM_STR-DECADE sy-vline 
WA_RFKORD_S_ITEM_STR-GKONT sy-vline 
WA_RFKORD_S_ITEM_STR-TRANSACT_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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