ABAP Select data from SAP table VTBLIS0 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 VTBLIS0 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 VTBLIS0. 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 VTBLIS0 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_VTBLIS0 TYPE STANDARD TABLE OF VTBLIS0,
      WA_VTBLIS0 TYPE VTBLIS0,
      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: <VTBLIS0> TYPE VTBLIS0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VTBLIS0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VTBLIS0
  INTO TABLE IT_VTBLIS0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTBLIS0
*  INTO TABLE @DATA(IT_VTBLIS02).
*--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_VTBLIS0 INDEX 1 INTO DATA(WA_VTBLIS02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VTBLIS0 ASSIGNING <VTBLIS0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTBLIS0>-XLA = 1.
<VTBLIS0>-MANDT = 1.
<VTBLIS0>-SLA = 1.
<VTBLIS0>-RLV = 1.
<VTBLIS0>-SLH = 1.

ENDLOOP.

LOOP AT IT_VTBLIS0 INTO WA_VTBLIS0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTBLIS0-SLI, sy-vline,
  WA_VTBLIS0-DLI, sy-vline,
  WA_VTBLIS0-VLI, sy-vline,
  WA_VTBLIS0-BLI, sy-vline,
  WA_VTBLIS0-CLI, sy-vline,
  WA_VTBLIS0-BLS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTBLIS0 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_VTBLIS0 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_VTBLIS0 INTO WA_VTBLIS0.


*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_VTBLIS0_STR, 
XLA TYPE STRING,
MANDT TYPE STRING,
SLA TYPE STRING,
RLV TYPE STRING,
SLH TYPE STRING,
SLI TYPE STRING,
DLI TYPE STRING,
VLI TYPE STRING,
BLI TYPE STRING,
CLI TYPE STRING,
BLS TYPE STRING,
WLI TYPE STRING,
CLI_VW TYPE STRING,
BLI_VW TYPE STRING,
BLS_VW TYPE STRING,
WLIMIT TYPE STRING,
FLI TYPE STRING,
COMPERD TYPE STRING,
DLVE TYPE STRING,
EDLVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTBLIS0_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_VTBLIS0_STR-XLA sy-vline 
WA_VTBLIS0_STR-MANDT sy-vline 
WA_VTBLIS0_STR-SLA sy-vline 
WA_VTBLIS0_STR-RLV sy-vline 
WA_VTBLIS0_STR-SLH sy-vline 
WA_VTBLIS0_STR-SLI sy-vline 
WA_VTBLIS0_STR-DLI sy-vline 
WA_VTBLIS0_STR-VLI sy-vline 
WA_VTBLIS0_STR-BLI sy-vline 
WA_VTBLIS0_STR-CLI sy-vline 
WA_VTBLIS0_STR-BLS sy-vline 
WA_VTBLIS0_STR-WLI sy-vline 
WA_VTBLIS0_STR-CLI_VW sy-vline 
WA_VTBLIS0_STR-BLI_VW sy-vline 
WA_VTBLIS0_STR-BLS_VW sy-vline 
WA_VTBLIS0_STR-WLIMIT sy-vline 
WA_VTBLIS0_STR-FLI sy-vline 
WA_VTBLIS0_STR-COMPERD sy-vline 
WA_VTBLIS0_STR-DLVE sy-vline 
WA_VTBLIS0_STR-EDLVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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