ABAP Select data from SAP table RFVICPINOP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFVICPINOP
*  INTO TABLE @DATA(IT_RFVICPINOP2).
*--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_RFVICPINOP INDEX 1 INTO DATA(WA_RFVICPINOP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFVICPINOP>-BUKRS = 1.
<RFVICPINOP>-KUNNR = 1.
<RFVICPINOP>-UMSKS = 1.
<RFVICPINOP>-UMSKZ = 1.
<RFVICPINOP>-AUGDT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFVICPINOP-AUGBL, sy-vline,
  WA_RFVICPINOP-ZUONR, sy-vline,
  WA_RFVICPINOP-GJAHR, sy-vline,
  WA_RFVICPINOP-BELNR, sy-vline,
  WA_RFVICPINOP-BUZEI, sy-vline,
  WA_RFVICPINOP-SHKZG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFVICPINOP 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_RFVICPINOP 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_RFVICPINOP INTO WA_RFVICPINOP.


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

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

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

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

*Conversion exit ALPHA, internal->external for field VERTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFVICPINOP-VERTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFVICPINOP-VERTN.
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_RFVICPINOP_STR, 
BUKRS TYPE STRING,
KUNNR 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,
SHKZG TYPE STRING,
DMBTR TYPE STRING,
WRBTR TYPE STRING,
WAERS TYPE STRING,
ZFBDT TYPE STRING,
ZLSCH TYPE STRING,
HBKID TYPE STRING,
BVTYP TYPE STRING,
VERTT TYPE STRING,
VERTN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFVICPINOP_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_RFVICPINOP_STR-BUKRS sy-vline 
WA_RFVICPINOP_STR-KUNNR sy-vline 
WA_RFVICPINOP_STR-UMSKS sy-vline 
WA_RFVICPINOP_STR-UMSKZ sy-vline 
WA_RFVICPINOP_STR-AUGDT sy-vline 
WA_RFVICPINOP_STR-AUGBL sy-vline 
WA_RFVICPINOP_STR-ZUONR sy-vline 
WA_RFVICPINOP_STR-GJAHR sy-vline 
WA_RFVICPINOP_STR-BELNR sy-vline 
WA_RFVICPINOP_STR-BUZEI sy-vline 
WA_RFVICPINOP_STR-SHKZG sy-vline 
WA_RFVICPINOP_STR-DMBTR sy-vline 
WA_RFVICPINOP_STR-WRBTR sy-vline 
WA_RFVICPINOP_STR-WAERS sy-vline 
WA_RFVICPINOP_STR-ZFBDT sy-vline 
WA_RFVICPINOP_STR-ZLSCH sy-vline 
WA_RFVICPINOP_STR-HBKID sy-vline 
WA_RFVICPINOP_STR-BVTYP sy-vline 
WA_RFVICPINOP_STR-VERTT sy-vline 
WA_RFVICPINOP_STR-VERTN sy-vline      INTO ld_text SEPARATED BY SPACE.

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