ABAP Select data from SAP table VTVBARW_MM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTVBARW_MM
*  INTO TABLE @DATA(IT_VTVBARW_MM2).
*--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_VTVBARW_MM INDEX 1 INTO DATA(WA_VTVBARW_MM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTVBARW_MM>-MANDT = 1.
<VTVBARW_MM>-BUKRS = 1.
<VTVBARW_MM>-RPORTB = 1.
<VTVBARW_MM>-WAERS = 1.
<VTVBARW_MM>-RANTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTVBARW_MM-RFHA, sy-vline,
  WA_VTVBARW_MM-SANLF, sy-vline,
  WA_VTVBARW_MM-GSART, sy-vline,
  WA_VTVBARW_MM-SFGTYP, sy-vline,
  WA_VTVBARW_MM-SFHAART, sy-vline,
  WA_VTVBARW_MM-SAKTIV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTVBARW_MM 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_VTVBARW_MM 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_VTVBARW_MM INTO WA_VTVBARW_MM.


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

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

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

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

*Conversion exit ALPHA, internal->external for field PARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTVBARW_MM-PARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTVBARW_MM-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_VTVBARW_MM_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
RPORTB TYPE STRING,
WAERS TYPE STRING,
RANTYP TYPE STRING,
RFHA TYPE STRING,
SANLF TYPE STRING,
GSART TYPE STRING,
SFGTYP TYPE STRING,
SFHAART TYPE STRING,
SAKTIV TYPE STRING,
RREFKONT TYPE STRING,
HKONT TYPE STRING,
FINPROJ TYPE STRING,
DBLFZ TYPE STRING,
DELFZ TYPE STRING,
SFGZUSTT TYPE STRING,
RDEALER TYPE STRING,
NORDEXT TYPE STRING,
ZUOND TYPE STRING,
REFER TYPE STRING,
MERKM TYPE STRING,
RMAID TYPE STRING,
RGARANT TYPE STRING,
STICHTAG TYPE STRING,
RSTICH TYPE STRING,
PARTNR TYPE STRING,
PKOND TYPE STRING,
PEFFZINS TYPE STRING,
SEFFMETH TYPE STRING,
WGSCHFT1 TYPE STRING,
WGSCHFT2 TYPE STRING,
SBWHR TYPE STRING,
SHWHR TYPE STRING,
AKTBWBW TYPE STRING,
AKTBWHW TYPE STRING,
PASBWBW TYPE STRING,
PASBWHW TYPE STRING,
AKTNOMWBW TYPE STRING,
PASNOMWBW TYPE STRING,
BNOMI1 TYPE STRING,
BNOMI2 TYPE STRING,
BNOMI1HW TYPE STRING,
BNOMI2HW TYPE STRING,
AKTBWBW_SIM TYPE STRING,
AKTBWHW_SIM TYPE STRING,
AZINSANSPBW TYPE STRING,
AZINSANSPHW TYPE STRING,
BAKTAWBW TYPE STRING,
BAKTAWHW TYPE STRING,
BPASAWBW TYPE STRING,
BPASAWHW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTVBARW_MM_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_VTVBARW_MM_STR-MANDT sy-vline 
WA_VTVBARW_MM_STR-BUKRS sy-vline 
WA_VTVBARW_MM_STR-RPORTB sy-vline 
WA_VTVBARW_MM_STR-WAERS sy-vline 
WA_VTVBARW_MM_STR-RANTYP sy-vline 
WA_VTVBARW_MM_STR-RFHA sy-vline 
WA_VTVBARW_MM_STR-SANLF sy-vline 
WA_VTVBARW_MM_STR-GSART sy-vline 
WA_VTVBARW_MM_STR-SFGTYP sy-vline 
WA_VTVBARW_MM_STR-SFHAART sy-vline 
WA_VTVBARW_MM_STR-SAKTIV sy-vline 
WA_VTVBARW_MM_STR-RREFKONT sy-vline 
WA_VTVBARW_MM_STR-HKONT sy-vline 
WA_VTVBARW_MM_STR-FINPROJ sy-vline 
WA_VTVBARW_MM_STR-DBLFZ sy-vline 
WA_VTVBARW_MM_STR-DELFZ sy-vline 
WA_VTVBARW_MM_STR-SFGZUSTT sy-vline 
WA_VTVBARW_MM_STR-RDEALER sy-vline 
WA_VTVBARW_MM_STR-NORDEXT sy-vline 
WA_VTVBARW_MM_STR-ZUOND sy-vline 
WA_VTVBARW_MM_STR-REFER sy-vline 
WA_VTVBARW_MM_STR-MERKM sy-vline 
WA_VTVBARW_MM_STR-RMAID sy-vline 
WA_VTVBARW_MM_STR-RGARANT sy-vline 
WA_VTVBARW_MM_STR-STICHTAG sy-vline 
WA_VTVBARW_MM_STR-RSTICH sy-vline 
WA_VTVBARW_MM_STR-PARTNR sy-vline 
WA_VTVBARW_MM_STR-PKOND sy-vline 
WA_VTVBARW_MM_STR-PEFFZINS sy-vline 
WA_VTVBARW_MM_STR-SEFFMETH sy-vline 
WA_VTVBARW_MM_STR-WGSCHFT1 sy-vline 
WA_VTVBARW_MM_STR-WGSCHFT2 sy-vline 
WA_VTVBARW_MM_STR-SBWHR sy-vline 
WA_VTVBARW_MM_STR-SHWHR sy-vline 
WA_VTVBARW_MM_STR-AKTBWBW sy-vline 
WA_VTVBARW_MM_STR-AKTBWHW sy-vline 
WA_VTVBARW_MM_STR-PASBWBW sy-vline 
WA_VTVBARW_MM_STR-PASBWHW sy-vline 
WA_VTVBARW_MM_STR-AKTNOMWBW sy-vline 
WA_VTVBARW_MM_STR-PASNOMWBW sy-vline 
WA_VTVBARW_MM_STR-BNOMI1 sy-vline 
WA_VTVBARW_MM_STR-BNOMI2 sy-vline 
WA_VTVBARW_MM_STR-BNOMI1HW sy-vline 
WA_VTVBARW_MM_STR-BNOMI2HW sy-vline 
WA_VTVBARW_MM_STR-AKTBWBW_SIM sy-vline 
WA_VTVBARW_MM_STR-AKTBWHW_SIM sy-vline 
WA_VTVBARW_MM_STR-AZINSANSPBW sy-vline 
WA_VTVBARW_MM_STR-AZINSANSPHW sy-vline 
WA_VTVBARW_MM_STR-BAKTAWBW sy-vline 
WA_VTVBARW_MM_STR-BAKTAWHW sy-vline 
WA_VTVBARW_MM_STR-BPASAWBW sy-vline 
WA_VTVBARW_MM_STR-BPASAWHW sy-vline      INTO ld_text SEPARATED BY SPACE.

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