ABAP Select data from SAP table VABDUVAFIX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VABDUVAFIX
*  INTO TABLE @DATA(IT_VABDUVAFIX2).
*--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_VABDUVAFIX INDEX 1 INTO DATA(WA_VABDUVAFIX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VABDUVAFIX>-DUVARINUM = 1.
<VABDUVAFIX>-DUVAKZKENN = 1.
<VABDUVAFIX>-DUVAWKN = 1.
<VABDUVAFIX>-DUVAXALLB = 1.
<VABDUVAFIX>-DUVAKZIDNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VABDUVAFIX-DUVAOENBNR, sy-vline,
  WA_VABDUVAFIX-DUVAEBEZ, sy-vline,
  WA_VABDUVAFIX-DUVALAND, sy-vline,
  WA_VABDUVAFIX-DUVABLAND, sy-vline,
  WA_VABDUVAFIX-DUVAKZFOND, sy-vline,
  WA_VABDUVAFIX-DUVAFONDS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VABDUVAFIX 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_VABDUVAFIX 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_VABDUVAFIX INTO WA_VABDUVAFIX.


*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_VABDUVAFIX_STR, 
DUVARINUM TYPE STRING,
DUVAKZKENN TYPE STRING,
DUVAWKN TYPE STRING,
DUVAXALLB TYPE STRING,
DUVAKZIDNR TYPE STRING,
DUVAOENBNR TYPE STRING,
DUVAEBEZ TYPE STRING,
DUVALAND TYPE STRING,
DUVABLAND TYPE STRING,
DUVAKZFOND TYPE STRING,
DUVAFONDS TYPE STRING,
DUVAKOBL TYPE STRING,
DUVAWAERS TYPE STRING,
DUVAANLGR TYPE STRING,
DUVABESART TYPE STRING,
DUVABESICH TYPE STRING,
DUVALANDBS TYPE STRING,
DUVAHDOG TYPE STRING,
DUVASPARTE TYPE STRING,
DUVAAWAER TYPE STRING,
DUVAEVERW TYPE STRING,
DUVALANDEW TYPE STRING,
DUVAKZDFI TYPE STRING,
DUVAKZWPL TYPE STRING,
DUVAKZSTNO TYPE STRING,
DUVAGZGEN TYPE STRING,
DUVAKZLAUF TYPE STRING,
DUVAOENBKZ TYPE STRING,
DUVAAKTIEN TYPE STRING,
DUVAEINLAG TYPE STRING,
DUVAKZNOTI TYPE STRING,
DUVAKRART TYPE STRING,
DUVAKRRAHM TYPE STRING,
DUVAILZHA TYPE STRING,
DUVAHARAHM TYPE STRING,
DUVAMELDIN TYPE STRING,
DUVAHAAUSN TYPE STRING,
DUVAILZBEG TYPE STRING,
DUVAVUNUM TYPE STRING,
DUVAMEWAER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VABDUVAFIX_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_VABDUVAFIX_STR-DUVARINUM sy-vline 
WA_VABDUVAFIX_STR-DUVAKZKENN sy-vline 
WA_VABDUVAFIX_STR-DUVAWKN sy-vline 
WA_VABDUVAFIX_STR-DUVAXALLB sy-vline 
WA_VABDUVAFIX_STR-DUVAKZIDNR sy-vline 
WA_VABDUVAFIX_STR-DUVAOENBNR sy-vline 
WA_VABDUVAFIX_STR-DUVAEBEZ sy-vline 
WA_VABDUVAFIX_STR-DUVALAND sy-vline 
WA_VABDUVAFIX_STR-DUVABLAND sy-vline 
WA_VABDUVAFIX_STR-DUVAKZFOND sy-vline 
WA_VABDUVAFIX_STR-DUVAFONDS sy-vline 
WA_VABDUVAFIX_STR-DUVAKOBL sy-vline 
WA_VABDUVAFIX_STR-DUVAWAERS sy-vline 
WA_VABDUVAFIX_STR-DUVAANLGR sy-vline 
WA_VABDUVAFIX_STR-DUVABESART sy-vline 
WA_VABDUVAFIX_STR-DUVABESICH sy-vline 
WA_VABDUVAFIX_STR-DUVALANDBS sy-vline 
WA_VABDUVAFIX_STR-DUVAHDOG sy-vline 
WA_VABDUVAFIX_STR-DUVASPARTE sy-vline 
WA_VABDUVAFIX_STR-DUVAAWAER sy-vline 
WA_VABDUVAFIX_STR-DUVAEVERW sy-vline 
WA_VABDUVAFIX_STR-DUVALANDEW sy-vline 
WA_VABDUVAFIX_STR-DUVAKZDFI sy-vline 
WA_VABDUVAFIX_STR-DUVAKZWPL sy-vline 
WA_VABDUVAFIX_STR-DUVAKZSTNO sy-vline 
WA_VABDUVAFIX_STR-DUVAGZGEN sy-vline 
WA_VABDUVAFIX_STR-DUVAKZLAUF sy-vline 
WA_VABDUVAFIX_STR-DUVAOENBKZ sy-vline 
WA_VABDUVAFIX_STR-DUVAAKTIEN sy-vline 
WA_VABDUVAFIX_STR-DUVAEINLAG sy-vline 
WA_VABDUVAFIX_STR-DUVAKZNOTI sy-vline 
WA_VABDUVAFIX_STR-DUVAKRART sy-vline 
WA_VABDUVAFIX_STR-DUVAKRRAHM sy-vline 
WA_VABDUVAFIX_STR-DUVAILZHA sy-vline 
WA_VABDUVAFIX_STR-DUVAHARAHM sy-vline 
WA_VABDUVAFIX_STR-DUVAMELDIN sy-vline 
WA_VABDUVAFIX_STR-DUVAHAAUSN sy-vline 
WA_VABDUVAFIX_STR-DUVAILZBEG sy-vline 
WA_VABDUVAFIX_STR-DUVAVUNUM sy-vline 
WA_VABDUVAFIX_STR-DUVAMEWAER sy-vline      INTO ld_text SEPARATED BY SPACE.

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