ABAP Select data from SAP table VTBSIZU into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VTBSIZU 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 VTBSIZU. 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 VTBSIZU 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_VTBSIZU TYPE STANDARD TABLE OF VTBSIZU,
      WA_VTBSIZU TYPE VTBSIZU,
      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: <VTBSIZU> TYPE VTBSIZU.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTBSIZU
*  INTO TABLE @DATA(IT_VTBSIZU2).
*--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_VTBSIZU INDEX 1 INTO DATA(WA_VTBSIZU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTBSIZU>-MANDT = 1.
<VTBSIZU>-BUKRS = 1.
<VTBSIZU>-RSICH = 1.
<VTBSIZU>-RZUO = 1.
<VTBSIZU>-SOBJTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTBSIZU-SSTATUS, sy-vline,
  WA_VTBSIZU-SROLLE, sy-vline,
  WA_VTBSIZU-WTRANS, sy-vline,
  WA_VTBSIZU-WBASIS, sy-vline,
  WA_VTBSIZU-BZUOT, sy-vline,
  WA_VTBSIZU-SSIGNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTBSIZU 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_VTBSIZU 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_VTBSIZU INTO WA_VTBSIZU.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTBSIZU-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTBSIZU-RFHA.
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_VTBSIZU_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
RSICH TYPE STRING,
RZUO TYPE STRING,
SOBJTYP TYPE STRING,
SSTATUS TYPE STRING,
SROLLE TYPE STRING,
WTRANS TYPE STRING,
WBASIS TYPE STRING,
BZUOT TYPE STRING,
SSIGNT TYPE STRING,
BZUOB TYPE STRING,
SSIGNB TYPE STRING,
KKURS TYPE STRING,
DZTERM TYPE STRING,
CRUSER TYPE STRING,
DCRDAT TYPE STRING,
TCRTIM TYPE STRING,
UPUSER TYPE STRING,
DUPDAT TYPE STRING,
TUPTIM TYPE STRING,
AUGDT TYPE STRING,
AUGBL TYPE STRING,
XKTXT TYPE STRING,
OBJNR TYPE STRING,
KONTRH TYPE STRING,
SROLEXT TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
ETENR TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ZEKKN TYPE STRING,
STUNR TYPE STRING,
ZAEHK TYPE STRING,
FBUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
KOART TYPE STRING,
IDENR TYPE STRING,
RFHA TYPE STRING,
RANTYP TYPE STRING,
SANLF TYPE STRING,
SGSART TYPE STRING,
SFHAART TYPE STRING,
SFGTYP TYPE STRING,
SFGZUSTT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTBSIZU_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_VTBSIZU_STR-MANDT sy-vline 
WA_VTBSIZU_STR-BUKRS sy-vline 
WA_VTBSIZU_STR-RSICH sy-vline 
WA_VTBSIZU_STR-RZUO sy-vline 
WA_VTBSIZU_STR-SOBJTYP sy-vline 
WA_VTBSIZU_STR-SSTATUS sy-vline 
WA_VTBSIZU_STR-SROLLE sy-vline 
WA_VTBSIZU_STR-WTRANS sy-vline 
WA_VTBSIZU_STR-WBASIS sy-vline 
WA_VTBSIZU_STR-BZUOT sy-vline 
WA_VTBSIZU_STR-SSIGNT sy-vline 
WA_VTBSIZU_STR-BZUOB sy-vline 
WA_VTBSIZU_STR-SSIGNB sy-vline 
WA_VTBSIZU_STR-KKURS sy-vline 
WA_VTBSIZU_STR-DZTERM sy-vline 
WA_VTBSIZU_STR-CRUSER sy-vline 
WA_VTBSIZU_STR-DCRDAT sy-vline 
WA_VTBSIZU_STR-TCRTIM sy-vline 
WA_VTBSIZU_STR-UPUSER sy-vline 
WA_VTBSIZU_STR-DUPDAT sy-vline 
WA_VTBSIZU_STR-TUPTIM sy-vline 
WA_VTBSIZU_STR-AUGDT sy-vline 
WA_VTBSIZU_STR-AUGBL sy-vline 
WA_VTBSIZU_STR-XKTXT sy-vline 
WA_VTBSIZU_STR-OBJNR sy-vline 
WA_VTBSIZU_STR-KONTRH sy-vline 
WA_VTBSIZU_STR-SROLEXT sy-vline 
WA_VTBSIZU_STR-VBELN sy-vline 
WA_VTBSIZU_STR-POSNR sy-vline 
WA_VTBSIZU_STR-ETENR sy-vline 
WA_VTBSIZU_STR-EBELN sy-vline 
WA_VTBSIZU_STR-EBELP sy-vline 
WA_VTBSIZU_STR-ZEKKN sy-vline 
WA_VTBSIZU_STR-STUNR sy-vline 
WA_VTBSIZU_STR-ZAEHK sy-vline 
WA_VTBSIZU_STR-FBUKRS sy-vline 
WA_VTBSIZU_STR-BELNR sy-vline 
WA_VTBSIZU_STR-GJAHR sy-vline 
WA_VTBSIZU_STR-BUZEI sy-vline 
WA_VTBSIZU_STR-KOART sy-vline 
WA_VTBSIZU_STR-IDENR sy-vline 
WA_VTBSIZU_STR-RFHA sy-vline 
WA_VTBSIZU_STR-RANTYP sy-vline 
WA_VTBSIZU_STR-SANLF sy-vline 
WA_VTBSIZU_STR-SGSART sy-vline 
WA_VTBSIZU_STR-SFHAART sy-vline 
WA_VTBSIZU_STR-SFGTYP sy-vline 
WA_VTBSIZU_STR-SFGZUSTT sy-vline      INTO ld_text SEPARATED BY SPACE.

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