ABAP Select data from SAP table RFVDACCOUNTREPORTALV_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RFVDACCOUNTREPORTALV_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 RFVDACCOUNTREPORTALV_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 RFVDACCOUNTREPORTALV_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_RFVDACCOUNTREPORTALV_ITEM TYPE STANDARD TABLE OF RFVDACCOUNTREPORTALV_ITEM,
      WA_RFVDACCOUNTREPORTALV_ITEM TYPE RFVDACCOUNTREPORTALV_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: <RFVDACCOUNTREPORTALV_ITEM> TYPE RFVDACCOUNTREPORTALV_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFVDACCOUNTREPORTALV_ITEM
*  INTO TABLE @DATA(IT_RFVDACCOUNTREPORTALV_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_RFVDACCOUNTREPORTALV_ITEM INDEX 1 INTO DATA(WA_RFVDACCOUNTREPORTALV_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFVDACCOUNTREPORTALV_ITEM>-BUKRS = 1.
<RFVDACCOUNTREPORTALV_ITEM>-BELNR = 1.
<RFVDACCOUNTREPORTALV_ITEM>-BSCHL = 1.
<RFVDACCOUNTREPORTALV_ITEM>-HKONT = 1.
<RFVDACCOUNTREPORTALV_ITEM>-SGTXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFVDACCOUNTREPORTALV_ITEM-BWAE, sy-vline,
  WA_RFVDACCOUNTREPORTALV_ITEM-WRBTR, sy-vline,
  WA_RFVDACCOUNTREPORTALV_ITEM-HWAE, sy-vline,
  WA_RFVDACCOUNTREPORTALV_ITEM-DMBTR, sy-vline,
  WA_RFVDACCOUNTREPORTALV_ITEM-SHKZ, sy-vline,
  WA_RFVDACCOUNTREPORTALV_ITEM-SBEWART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFVDACCOUNTREPORTALV_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_RFVDACCOUNTREPORTALV_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_RFVDACCOUNTREPORTALV_ITEM INTO WA_RFVDACCOUNTREPORTALV_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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFVDACCOUNTREPORTALV_ITEM-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFVDACCOUNTREPORTALV_ITEM-BELNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field PARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFVDACCOUNTREPORTALV_ITEM-PARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFVDACCOUNTREPORTALV_ITEM-PARTNR.
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_RFVDACCOUNTREPORTALV_ITEM_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
BSCHL TYPE STRING,
HKONT TYPE STRING,
SGTXT TYPE STRING,
BWAE TYPE STRING,
WRBTR TYPE STRING,
HWAE TYPE STRING,
DMBTR TYPE STRING,
SHKZ TYPE STRING,
SBEWART TYPE STRING,
XBEWART TYPE STRING,
KONTO TYPE STRING,
NAME TYPE STRING,
FARBE TYPE STRING,
PARTNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFVDACCOUNTREPORTALV_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_RFVDACCOUNTREPORTALV_ITEM_STR-BUKRS sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-BELNR sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-BSCHL sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-HKONT sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-SGTXT sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-BWAE sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-WRBTR sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-HWAE sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-DMBTR sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-SHKZ sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-SBEWART sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-XBEWART sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-KONTO sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-NAME sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-FARBE sy-vline 
WA_RFVDACCOUNTREPORTALV_ITEM_STR-PARTNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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