ABAP Select data from SAP table V_TABLO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TABLO
*  INTO TABLE @DATA(IT_V_TABLO2).
*--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_V_TABLO INDEX 1 INTO DATA(WA_V_TABLO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TABLO>-MANDT = 1.
<V_TABLO>-AUSUB = 1.
<V_TABLO>-AUABG = 1.
<V_TABLO>-AUSUBTXT = 1.
<V_TABLO>-STEUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TABLO-STEUSTXT, sy-vline,
  WA_V_TABLO-FRSP, sy-vline,
  WA_V_TABLO-STAOB, sy-vline,
  WA_V_TABLO-ZLAOB, sy-vline,
  WA_V_TABLO-PLNAW, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_V_TABLO 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_V_TABLO 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_V_TABLO INTO WA_V_TABLO.


*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 AOBAR, internal->external for field STAOB
CALL FUNCTION 'CONVERSION_EXIT_AOBAR_OUTPUT'
  EXPORTING
    input =                      WA_V_TABLO-STAOB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TABLO-STAOB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AOBAR, internal->external for field ZLAOB
CALL FUNCTION 'CONVERSION_EXIT_AOBAR_OUTPUT'
  EXPORTING
    input =                      WA_V_TABLO-ZLAOB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TABLO-ZLAOB.
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_V_TABLO_STR, 
MANDT TYPE STRING,
AUSUB TYPE STRING,
AUABG TYPE STRING,
AUSUBTXT TYPE STRING,
STEUS TYPE STRING,
STEUSTXT TYPE STRING,
FRSP TYPE STRING,
STAOB TYPE STRING,
ZLAOB TYPE STRING,
PLNAW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TABLO_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_V_TABLO_STR-MANDT sy-vline 
WA_V_TABLO_STR-AUSUB sy-vline 
WA_V_TABLO_STR-AUABG sy-vline 
WA_V_TABLO_STR-AUSUBTXT sy-vline 
WA_V_TABLO_STR-STEUS sy-vline 
WA_V_TABLO_STR-STEUSTXT sy-vline 
WA_V_TABLO_STR-FRSP sy-vline 
WA_V_TABLO_STR-STAOB sy-vline 
WA_V_TABLO_STR-ZLAOB sy-vline 
WA_V_TABLO_STR-PLNAW sy-vline      INTO ld_text SEPARATED BY SPACE.

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