ABAP Select data from SAP table RFVIUMSATZ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFVIUMSATZ
*  INTO TABLE @DATA(IT_RFVIUMSATZ2).
*--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_RFVIUMSATZ INDEX 1 INTO DATA(WA_RFVIUMSATZ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFVIUMSATZ>-MANDT = 1.
<RFVIUMSATZ>-BUKRS = 1.
<RFVIUMSATZ>-HBKID = 1.
<RFVIUMSATZ>-HKTID = 1.
<RFVIUMSATZ>-AZNUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFVIUMSATZ-SNUMM, sy-vline,
  WA_RFVIUMSATZ-BANK, sy-vline,
  WA_RFVIUMSATZ-KTONR, sy-vline,
  WA_RFVIUMSATZ-VALUT, sy-vline,
  WA_RFVIUMSATZ-PRIMA, sy-vline,
  WA_RFVIUMSATZ-VWZ01, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFVIUMSATZ 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_RFVIUMSATZ 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_RFVIUMSATZ INTO WA_RFVIUMSATZ.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RFVIUMSATZ_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
AZNUM TYPE STRING,
SNUMM TYPE STRING,
BANK TYPE STRING,
KTONR TYPE STRING,
VALUT TYPE STRING,
PRIMA TYPE STRING,
VWZ01 TYPE STRING,
BUTXT TYPE STRING,
UZEIT TYPE STRING,
TSCHL TYPE STRING,
SCHNR TYPE STRING,
WRBTR TYPE STRING,
SAMPO TYPE STRING,
FOLGS TYPE STRING,
BUDAT TYPE STRING,
ZINF1 TYPE STRING,
ZINF2 TYPE STRING,
VWZ02 TYPE STRING,
VWZ03 TYPE STRING,
VWZ04 TYPE STRING,
VWZ05 TYPE STRING,
VWZ06 TYPE STRING,
VWZ07 TYPE STRING,
VWZ08 TYPE STRING,
VWZ09 TYPE STRING,
VWZ10 TYPE STRING,
VWZ11 TYPE STRING,
VWZ12 TYPE STRING,
VWZ13 TYPE STRING,
VWZ14 TYPE STRING,
AUFG1 TYPE STRING,
AUFG2 TYPE STRING,
AGBNK TYPE STRING,
AGKTO TYPE STRING,
GCODE TYPE STRING,
STORN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFVIUMSATZ_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_RFVIUMSATZ_STR-MANDT sy-vline 
WA_RFVIUMSATZ_STR-BUKRS sy-vline 
WA_RFVIUMSATZ_STR-HBKID sy-vline 
WA_RFVIUMSATZ_STR-HKTID sy-vline 
WA_RFVIUMSATZ_STR-AZNUM sy-vline 
WA_RFVIUMSATZ_STR-SNUMM sy-vline 
WA_RFVIUMSATZ_STR-BANK sy-vline 
WA_RFVIUMSATZ_STR-KTONR sy-vline 
WA_RFVIUMSATZ_STR-VALUT sy-vline 
WA_RFVIUMSATZ_STR-PRIMA sy-vline 
WA_RFVIUMSATZ_STR-VWZ01 sy-vline 
WA_RFVIUMSATZ_STR-BUTXT sy-vline 
WA_RFVIUMSATZ_STR-UZEIT sy-vline 
WA_RFVIUMSATZ_STR-TSCHL sy-vline 
WA_RFVIUMSATZ_STR-SCHNR sy-vline 
WA_RFVIUMSATZ_STR-WRBTR sy-vline 
WA_RFVIUMSATZ_STR-SAMPO sy-vline 
WA_RFVIUMSATZ_STR-FOLGS sy-vline 
WA_RFVIUMSATZ_STR-BUDAT sy-vline 
WA_RFVIUMSATZ_STR-ZINF1 sy-vline 
WA_RFVIUMSATZ_STR-ZINF2 sy-vline 
WA_RFVIUMSATZ_STR-VWZ02 sy-vline 
WA_RFVIUMSATZ_STR-VWZ03 sy-vline 
WA_RFVIUMSATZ_STR-VWZ04 sy-vline 
WA_RFVIUMSATZ_STR-VWZ05 sy-vline 
WA_RFVIUMSATZ_STR-VWZ06 sy-vline 
WA_RFVIUMSATZ_STR-VWZ07 sy-vline 
WA_RFVIUMSATZ_STR-VWZ08 sy-vline 
WA_RFVIUMSATZ_STR-VWZ09 sy-vline 
WA_RFVIUMSATZ_STR-VWZ10 sy-vline 
WA_RFVIUMSATZ_STR-VWZ11 sy-vline 
WA_RFVIUMSATZ_STR-VWZ12 sy-vline 
WA_RFVIUMSATZ_STR-VWZ13 sy-vline 
WA_RFVIUMSATZ_STR-VWZ14 sy-vline 
WA_RFVIUMSATZ_STR-AUFG1 sy-vline 
WA_RFVIUMSATZ_STR-AUFG2 sy-vline 
WA_RFVIUMSATZ_STR-AGBNK sy-vline 
WA_RFVIUMSATZ_STR-AGKTO sy-vline 
WA_RFVIUMSATZ_STR-GCODE sy-vline 
WA_RFVIUMSATZ_STR-STORN sy-vline      INTO ld_text SEPARATED BY SPACE.

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