ABAP Select data from SAP table VSD0200000 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VSD0200000 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 VSD0200000. 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 VSD0200000 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_VSD0200000 TYPE STANDARD TABLE OF VSD0200000,
      WA_VSD0200000 TYPE VSD0200000,
      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: <VSD0200000> TYPE VSD0200000.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VSD0200000.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VSD0200000
  INTO TABLE IT_VSD0200000.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VSD0200000
*  INTO TABLE @DATA(IT_VSD02000002).
*--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_VSD0200000 INDEX 1 INTO DATA(WA_VSD02000002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VSD0200000 ASSIGNING <VSD0200000>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VSD0200000>-PROG = 1.
<VSD0200000>-DNUM = 1.
<VSD0200000>-TYPE = 1.
<VSD0200000>-FNUM = 1.
<VSD0200000>-DGRP = 1.

ENDLOOP.

LOOP AT IT_VSD0200000 INTO WA_VSD0200000.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VSD0200000-BZMX, sy-vline,
  WA_VSD0200000-BZBR, sy-vline,
  WA_VSD0200000-MILI, sy-vline,
  WA_VSD0200000-MICO, sy-vline,
  WA_VSD0200000-MALI, sy-vline,
  WA_VSD0200000-MACO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VSD0200000 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_VSD0200000 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_VSD0200000 INTO WA_VSD0200000.


*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_VSD0200000_STR, 
PROG TYPE STRING,
DNUM TYPE STRING,
TYPE TYPE STRING,
FNUM TYPE STRING,
DGRP TYPE STRING,
BZMX TYPE STRING,
BZBR TYPE STRING,
MILI TYPE STRING,
MICO TYPE STRING,
MALI TYPE STRING,
MACO TYPE STRING,
NOLI TYPE STRING,
NOCO TYPE STRING,
VALP TYPE STRING,
CUAN TYPE STRING,
HDAT TYPE STRING,
SPRA TYPE STRING,
CUPO TYPE STRING,
DGEN TYPE STRING,
TGEN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VSD0200000_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_VSD0200000_STR-PROG sy-vline 
WA_VSD0200000_STR-DNUM sy-vline 
WA_VSD0200000_STR-TYPE sy-vline 
WA_VSD0200000_STR-FNUM sy-vline 
WA_VSD0200000_STR-DGRP sy-vline 
WA_VSD0200000_STR-BZMX sy-vline 
WA_VSD0200000_STR-BZBR sy-vline 
WA_VSD0200000_STR-MILI sy-vline 
WA_VSD0200000_STR-MICO sy-vline 
WA_VSD0200000_STR-MALI sy-vline 
WA_VSD0200000_STR-MACO sy-vline 
WA_VSD0200000_STR-NOLI sy-vline 
WA_VSD0200000_STR-NOCO sy-vline 
WA_VSD0200000_STR-VALP sy-vline 
WA_VSD0200000_STR-CUAN sy-vline 
WA_VSD0200000_STR-HDAT sy-vline 
WA_VSD0200000_STR-SPRA sy-vline 
WA_VSD0200000_STR-CUPO sy-vline 
WA_VSD0200000_STR-DGEN sy-vline 
WA_VSD0200000_STR-TGEN sy-vline      INTO ld_text SEPARATED BY SPACE.

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