ABAP Select data from SAP table VT683S_VAR_AV02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VT683S_VAR_AV02 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 VT683S_VAR_AV02. 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 VT683S_VAR_AV02 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_VT683S_VAR_AV02 TYPE STANDARD TABLE OF VT683S_VAR_AV02,
      WA_VT683S_VAR_AV02 TYPE VT683S_VAR_AV02,
      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: <VT683S_VAR_AV02> TYPE VT683S_VAR_AV02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VT683S_VAR_AV02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VT683S_VAR_AV02
  INTO TABLE IT_VT683S_VAR_AV02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VT683S_VAR_AV02
*  INTO TABLE @DATA(IT_VT683S_VAR_AV022).
*--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_VT683S_VAR_AV02 INDEX 1 INTO DATA(WA_VT683S_VAR_AV022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VT683S_VAR_AV02 ASSIGNING <VT683S_VAR_AV02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VT683S_VAR_AV02>-MANDT = 1.
<VT683S_VAR_AV02>-KVEWE = 1.
<VT683S_VAR_AV02>-KAPPL = 1.
<VT683S_VAR_AV02>-VARIANT_TYPE = 1.
<VT683S_VAR_AV02>-VARIANT = 1.

ENDLOOP.

LOOP AT IT_VT683S_VAR_AV02 INTO WA_VT683S_VAR_AV02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VT683S_VAR_AV02-KALSM, sy-vline,
  WA_VT683S_VAR_AV02-STUNR, sy-vline,
  WA_VT683S_VAR_AV02-ZAEHK, sy-vline,
  WA_VT683S_VAR_AV02-KSCHL, sy-vline,
  WA_VT683S_VAR_AV02-VTEXT, sy-vline,
  WA_VT683S_VAR_AV02-STUNB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VT683S_VAR_AV02 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_VT683S_VAR_AV02 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_VT683S_VAR_AV02 INTO WA_VT683S_VAR_AV02.


*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_VT683S_VAR_AV02_STR, 
MANDT TYPE STRING,
KVEWE TYPE STRING,
KAPPL TYPE STRING,
VARIANT_TYPE TYPE STRING,
VARIANT TYPE STRING,
KALSM TYPE STRING,
STUNR TYPE STRING,
ZAEHK TYPE STRING,
KSCHL TYPE STRING,
VTEXT TYPE STRING,
STUNB TYPE STRING,
STUN2 TYPE STRING,
KAUTO TYPE STRING,
KOBED TYPE STRING,
KZWIW TYPE STRING,
KSTAT TYPE STRING,
KOFRM TYPE STRING,
KOFRA TYPE STRING,
KOBLI TYPE STRING,
CHECKMARK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VT683S_VAR_AV02_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_VT683S_VAR_AV02_STR-MANDT sy-vline 
WA_VT683S_VAR_AV02_STR-KVEWE sy-vline 
WA_VT683S_VAR_AV02_STR-KAPPL sy-vline 
WA_VT683S_VAR_AV02_STR-VARIANT_TYPE sy-vline 
WA_VT683S_VAR_AV02_STR-VARIANT sy-vline 
WA_VT683S_VAR_AV02_STR-KALSM sy-vline 
WA_VT683S_VAR_AV02_STR-STUNR sy-vline 
WA_VT683S_VAR_AV02_STR-ZAEHK sy-vline 
WA_VT683S_VAR_AV02_STR-KSCHL sy-vline 
WA_VT683S_VAR_AV02_STR-VTEXT sy-vline 
WA_VT683S_VAR_AV02_STR-STUNB sy-vline 
WA_VT683S_VAR_AV02_STR-STUN2 sy-vline 
WA_VT683S_VAR_AV02_STR-KAUTO sy-vline 
WA_VT683S_VAR_AV02_STR-KOBED sy-vline 
WA_VT683S_VAR_AV02_STR-KZWIW sy-vline 
WA_VT683S_VAR_AV02_STR-KSTAT sy-vline 
WA_VT683S_VAR_AV02_STR-KOFRM sy-vline 
WA_VT683S_VAR_AV02_STR-KOFRA sy-vline 
WA_VT683S_VAR_AV02_STR-KOBLI sy-vline 
WA_VT683S_VAR_AV02_STR-CHECKMARK sy-vline      INTO ld_text SEPARATED BY SPACE.

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