ABAP Select data from SAP table V441V into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V441V 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 V441V. 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 V441V 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_V441V TYPE STANDARD TABLE OF V441V,
      WA_V441V TYPE V441V,
      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: <V441V> TYPE V441V.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V441V.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V441V
  INTO TABLE IT_V441V.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V441V
*  INTO TABLE @DATA(IT_V441V2).
*--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_V441V INDEX 1 INTO DATA(WA_V441V2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V441V ASSIGNING <V441V>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V441V>-MANDT = 1.
<V441V>-MTVFP = 1.
<V441V>-PRREG = 1.
<V441V>-BEZEI = 1.
<V441V>-PRRLT = 1.

ENDLOOP.

LOOP AT IT_V441V INTO WA_V441V.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V441V-EISBP, sy-vline,
  WA_V441V-UMLMP, sy-vline,
  WA_V441V-QMBSP, sy-vline,
  WA_V441V-BESTP, sy-vline,
  WA_V441V-FERTP, sy-vline,
  WA_V441V-BANFP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V441V 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_V441V 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_V441V INTO WA_V441V.


*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_V441V_STR, 
MANDT TYPE STRING,
MTVFP TYPE STRING,
PRREG TYPE STRING,
BEZEI TYPE STRING,
PRRLT TYPE STRING,
EISBP TYPE STRING,
UMLMP TYPE STRING,
QMBSP TYPE STRING,
BESTP TYPE STRING,
FERTP TYPE STRING,
BANFP TYPE STRING,
PLAFP TYPE STRING,
SKBDP TYPE STRING,
RESBP TYPE STRING,
ARREP TYPE STRING,
VBBDP TYPE STRING,
VBBLP TYPE STRING,
OWBZP TYPE STRING,
PRIBED TYPE STRING,
VWBEST TYPE STRING,
SBSTP TYPE STRING,
LAVIP TYPE STRING,
WZTWE TYPE STRING,
TBBEP TYPE STRING,
OLGPR TYPE STRING,
OLBPR TYPE STRING,
NFVBC TYPE STRING,
RPAST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V441V_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_V441V_STR-MANDT sy-vline 
WA_V441V_STR-MTVFP sy-vline 
WA_V441V_STR-PRREG sy-vline 
WA_V441V_STR-BEZEI sy-vline 
WA_V441V_STR-PRRLT sy-vline 
WA_V441V_STR-EISBP sy-vline 
WA_V441V_STR-UMLMP sy-vline 
WA_V441V_STR-QMBSP sy-vline 
WA_V441V_STR-BESTP sy-vline 
WA_V441V_STR-FERTP sy-vline 
WA_V441V_STR-BANFP sy-vline 
WA_V441V_STR-PLAFP sy-vline 
WA_V441V_STR-SKBDP sy-vline 
WA_V441V_STR-RESBP sy-vline 
WA_V441V_STR-ARREP sy-vline 
WA_V441V_STR-VBBDP sy-vline 
WA_V441V_STR-VBBLP sy-vline 
WA_V441V_STR-OWBZP sy-vline 
WA_V441V_STR-PRIBED sy-vline 
WA_V441V_STR-VWBEST sy-vline 
WA_V441V_STR-SBSTP sy-vline 
WA_V441V_STR-LAVIP sy-vline 
WA_V441V_STR-WZTWE sy-vline 
WA_V441V_STR-TBBEP sy-vline 
WA_V441V_STR-OLGPR sy-vline 
WA_V441V_STR-OLBPR sy-vline 
WA_V441V_STR-NFVBC sy-vline 
WA_V441V_STR-RPAST sy-vline      INTO ld_text SEPARATED BY SPACE.

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