ABAP Select data from SAP table VTTSF 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 VTTSF 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 VTTSF. 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 VTTSF 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_VTTSF TYPE STANDARD TABLE OF VTTSF,
      WA_VTTSF TYPE VTTSF,
      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: <VTTSF> TYPE VTTSF.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTTSF
*  INTO TABLE @DATA(IT_VTTSF2).
*--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_VTTSF INDEX 1 INTO DATA(WA_VTTSF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTTSF>-MANDT = 1.
<VTTSF>-TKNUM = 1.
<VTTSF>-TSNUM = 1.
<VTTSF>-TSTYP = 1.
<VTTSF>-TSRFO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTTSF-ELUPD, sy-vline,
  WA_VTTSF-ERNAM, sy-vline,
  WA_VTTSF-ERDAT, sy-vline,
  WA_VTTSF-ERZET, sy-vline,
  WA_VTTSF-AENAM, sy-vline,
  WA_VTTSF-AEDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTTSF 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_VTTSF 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_VTTSF INTO WA_VTTSF.


*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 ALPHA, internal->external for field TKNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-TKNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-TKNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-ADRNA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-ADRNA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-KUNNA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-KUNNA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-LIFNA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-LIFNA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-ADRNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-ADRNZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-KUNNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-KUNNZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-LIFNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-LIFNZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TDLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-TDLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-TDLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEDST
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-MEDST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-MEDST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEIZT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-MEIZT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-MEIZT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field GESZTD
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-GESZTD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-GESZTD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field FAHZTD
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-FAHZTD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-FAHZTD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field GESZTDA
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-GESZTDA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-GESZTDA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field FAHZTDA
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-FAHZTDA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-FAHZTDA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STAFO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-STAFO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-STAFO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field WARZTD
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-WARZTD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-WARZTD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field WARZTDA
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-WARZTDA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-WARZTDA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNAD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-ADRNAD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-ADRNAD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNZD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-ADRNZD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-ADRNZD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNRDL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTTSF-ADRNRDL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTTSF-ADRNRDL.
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_VTTSF_STR, 
MANDT TYPE STRING,
TKNUM TYPE STRING,
TSNUM TYPE STRING,
TSTYP TYPE STRING,
TSRFO TYPE STRING,
ELUPD TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
ERZET TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
AEZET TYPE STRING,
ROUTE TYPE STRING,
VSART TYPE STRING,
INCO1 TYPE STRING,
LAUFK TYPE STRING,
ADRNA TYPE STRING,
KNOTA TYPE STRING,
VSTEL TYPE STRING,
LSTEL TYPE STRING,
WERKA TYPE STRING,
LGORTA TYPE STRING,
KUNNA TYPE STRING,
LIFNA TYPE STRING,
BELAD TYPE STRING,
ADRNZ TYPE STRING,
KNOTZ TYPE STRING,
VSTEZ TYPE STRING,
LSTEZ TYPE STRING,
WERKZ TYPE STRING,
LGORTZ TYPE STRING,
KUNNZ TYPE STRING,
LIFNZ TYPE STRING,
ABLAD TYPE STRING,
DPTBG TYPE STRING,
UPTBG TYPE STRING,
DATBG TYPE STRING,
UATBG TYPE STRING,
DPTEN TYPE STRING,
UPTEN TYPE STRING,
DATEN TYPE STRING,
UATEN TYPE STRING,
TDLNR TYPE STRING,
DISTZ TYPE STRING,
MEDST TYPE STRING,
FAHZT TYPE STRING,
GESZT TYPE STRING,
MEIZT TYPE STRING,
LGNUMA TYPE STRING,
TORA TYPE STRING,
ADRKNZA TYPE STRING,
KUNABLA TYPE STRING,
LGNUMZ TYPE STRING,
TORZ TYPE STRING,
ADRKNZZ TYPE STRING,
KUNABLZ TYPE STRING,
GESZTD TYPE STRING,
FAHZTD TYPE STRING,
GESZTDA TYPE STRING,
FAHZTDA TYPE STRING,
SDABW TYPE STRING,
FRKRL TYPE STRING,
SKALSM TYPE STRING,
FBSTA TYPE STRING,
ARSTA TYPE STRING,
STAFO TYPE STRING,
CONT_DG TYPE STRING,
WARZTD TYPE STRING,
WARZTDA TYPE STRING,
ABLAND1 TYPE STRING,
ABPSTLZ TYPE STRING,
ABORT01 TYPE STRING,
EDLAND1 TYPE STRING,
EDPSTLZ TYPE STRING,
EDORT01 TYPE STRING,
UPDKZ TYPE STRING,
DLNAMT TYPE STRING,
VSBEDT TYPE STRING,
ADRNAD TYPE STRING,
ADRHNDA TYPE STRING,
UPDADA TYPE STRING,
TKNOTA TYPE STRING,
TORT2A TYPE STRING,
PSTLZA TYPE STRING,
LAND1A TYPE STRING,
LZONEA TYPE STRING,
REGIOA TYPE STRING,
BEZKOMPRA TYPE STRING,
ADRNZD TYPE STRING,
ADRHNDZ TYPE STRING,
UPDADZ TYPE STRING,
TKNOTZ TYPE STRING,
TORT2Z TYPE STRING,
PSTLZZ TYPE STRING,
LAND1Z TYPE STRING,
LZONEZ TYPE STRING,
REGIOZ TYPE STRING,
BEZKOMPRZ TYPE STRING,
ADRNRDL TYPE STRING,
ADRDADL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTTSF_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_VTTSF_STR-MANDT sy-vline 
WA_VTTSF_STR-TKNUM sy-vline 
WA_VTTSF_STR-TSNUM sy-vline 
WA_VTTSF_STR-TSTYP sy-vline 
WA_VTTSF_STR-TSRFO sy-vline 
WA_VTTSF_STR-ELUPD sy-vline 
WA_VTTSF_STR-ERNAM sy-vline 
WA_VTTSF_STR-ERDAT sy-vline 
WA_VTTSF_STR-ERZET sy-vline 
WA_VTTSF_STR-AENAM sy-vline 
WA_VTTSF_STR-AEDAT sy-vline 
WA_VTTSF_STR-AEZET sy-vline 
WA_VTTSF_STR-ROUTE sy-vline 
WA_VTTSF_STR-VSART sy-vline 
WA_VTTSF_STR-INCO1 sy-vline 
WA_VTTSF_STR-LAUFK sy-vline 
WA_VTTSF_STR-ADRNA sy-vline 
WA_VTTSF_STR-KNOTA sy-vline 
WA_VTTSF_STR-VSTEL sy-vline 
WA_VTTSF_STR-LSTEL sy-vline 
WA_VTTSF_STR-WERKA sy-vline 
WA_VTTSF_STR-LGORTA sy-vline 
WA_VTTSF_STR-KUNNA sy-vline 
WA_VTTSF_STR-LIFNA sy-vline 
WA_VTTSF_STR-BELAD sy-vline 
WA_VTTSF_STR-ADRNZ sy-vline 
WA_VTTSF_STR-KNOTZ sy-vline 
WA_VTTSF_STR-VSTEZ sy-vline 
WA_VTTSF_STR-LSTEZ sy-vline 
WA_VTTSF_STR-WERKZ sy-vline 
WA_VTTSF_STR-LGORTZ sy-vline 
WA_VTTSF_STR-KUNNZ sy-vline 
WA_VTTSF_STR-LIFNZ sy-vline 
WA_VTTSF_STR-ABLAD sy-vline 
WA_VTTSF_STR-DPTBG sy-vline 
WA_VTTSF_STR-UPTBG sy-vline 
WA_VTTSF_STR-DATBG sy-vline 
WA_VTTSF_STR-UATBG sy-vline 
WA_VTTSF_STR-DPTEN sy-vline 
WA_VTTSF_STR-UPTEN sy-vline 
WA_VTTSF_STR-DATEN sy-vline 
WA_VTTSF_STR-UATEN sy-vline 
WA_VTTSF_STR-TDLNR sy-vline 
WA_VTTSF_STR-DISTZ sy-vline 
WA_VTTSF_STR-MEDST sy-vline 
WA_VTTSF_STR-FAHZT sy-vline 
WA_VTTSF_STR-GESZT sy-vline 
WA_VTTSF_STR-MEIZT sy-vline 
WA_VTTSF_STR-LGNUMA sy-vline 
WA_VTTSF_STR-TORA sy-vline 
WA_VTTSF_STR-ADRKNZA sy-vline 
WA_VTTSF_STR-KUNABLA sy-vline 
WA_VTTSF_STR-LGNUMZ sy-vline 
WA_VTTSF_STR-TORZ sy-vline 
WA_VTTSF_STR-ADRKNZZ sy-vline 
WA_VTTSF_STR-KUNABLZ sy-vline 
WA_VTTSF_STR-GESZTD sy-vline 
WA_VTTSF_STR-FAHZTD sy-vline 
WA_VTTSF_STR-GESZTDA sy-vline 
WA_VTTSF_STR-FAHZTDA sy-vline 
WA_VTTSF_STR-SDABW sy-vline 
WA_VTTSF_STR-FRKRL sy-vline 
WA_VTTSF_STR-SKALSM sy-vline 
WA_VTTSF_STR-FBSTA sy-vline 
WA_VTTSF_STR-ARSTA sy-vline 
WA_VTTSF_STR-STAFO sy-vline 
WA_VTTSF_STR-CONT_DG sy-vline 
WA_VTTSF_STR-WARZTD sy-vline 
WA_VTTSF_STR-WARZTDA sy-vline 
WA_VTTSF_STR-ABLAND1 sy-vline 
WA_VTTSF_STR-ABPSTLZ sy-vline 
WA_VTTSF_STR-ABORT01 sy-vline 
WA_VTTSF_STR-EDLAND1 sy-vline 
WA_VTTSF_STR-EDPSTLZ sy-vline 
WA_VTTSF_STR-EDORT01 sy-vline 
WA_VTTSF_STR-UPDKZ sy-vline 
WA_VTTSF_STR-DLNAMT sy-vline 
WA_VTTSF_STR-VSBEDT sy-vline 
WA_VTTSF_STR-ADRNAD sy-vline 
WA_VTTSF_STR-ADRHNDA sy-vline 
WA_VTTSF_STR-UPDADA sy-vline 
WA_VTTSF_STR-TKNOTA sy-vline 
WA_VTTSF_STR-TORT2A sy-vline 
WA_VTTSF_STR-PSTLZA sy-vline 
WA_VTTSF_STR-LAND1A sy-vline 
WA_VTTSF_STR-LZONEA sy-vline 
WA_VTTSF_STR-REGIOA sy-vline 
WA_VTTSF_STR-BEZKOMPRA sy-vline 
WA_VTTSF_STR-ADRNZD sy-vline 
WA_VTTSF_STR-ADRHNDZ sy-vline 
WA_VTTSF_STR-UPDADZ sy-vline 
WA_VTTSF_STR-TKNOTZ sy-vline 
WA_VTTSF_STR-TORT2Z sy-vline 
WA_VTTSF_STR-PSTLZZ sy-vline 
WA_VTTSF_STR-LAND1Z sy-vline 
WA_VTTSF_STR-LZONEZ sy-vline 
WA_VTTSF_STR-REGIOZ sy-vline 
WA_VTTSF_STR-BEZKOMPRZ sy-vline 
WA_VTTSF_STR-ADRNRDL sy-vline 
WA_VTTSF_STR-ADRDADL sy-vline      INTO ld_text SEPARATED BY SPACE.

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