ABAP Select data from SAP table VAT_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VAT_ITEM
*  INTO TABLE @DATA(IT_VAT_ITEM2).
*--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_VAT_ITEM INDEX 1 INTO DATA(WA_VAT_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VAT_ITEM>-ITEMNR = 1.
<VAT_ITEM>-BUKRS = 1.
<VAT_ITEM>-WAERS = 1.
<VAT_ITEM>-MWSKZ = 1.
<VAT_ITEM>-WRBTR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VAT_ITEM-FWBAS, sy-vline,
  WA_VAT_ITEM-SHKZG, sy-vline,
  WA_VAT_ITEM-XMANU, sy-vline,
  WA_VAT_ITEM-TXJCD_ST, sy-vline,
  WA_VAT_ITEM-TXJCD_SF, sy-vline,
  WA_VAT_ITEM-TXDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VAT_ITEM 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_VAT_ITEM 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_VAT_ITEM INTO WA_VAT_ITEM.


*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 AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FWBAS
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-FWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-FWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WSKTO
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-WSKTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-WSKTO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AU132, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-FWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field NDDST
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-NDDST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-NDDST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field NDNST
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-NDNST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-NDNST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DEDST
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-DEDST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-DEDST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field SKFBT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-SKFBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-SKFBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROJK
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-PROJK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-PROJK.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit AU132, internal->external for field FWMAN
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-FWMAN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-FWMAN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field J_1BTAXLW1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-J_1BTAXLW1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-J_1BTAXLW1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field J_1BTAXLW2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-J_1BTAXLW2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-J_1BTAXLW2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field J_1BTAXLW4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-J_1BTAXLW4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-J_1BTAXLW4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field J_1BTAXLW5
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VAT_ITEM-J_1BTAXLW5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VAT_ITEM-J_1BTAXLW5.
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_VAT_ITEM_STR, 
ITEMNR TYPE STRING,
BUKRS TYPE STRING,
WAERS TYPE STRING,
MWSKZ TYPE STRING,
WRBTR TYPE STRING,
FWBAS TYPE STRING,
SHKZG TYPE STRING,
XMANU TYPE STRING,
TXJCD_ST TYPE STRING,
TXJCD_SF TYPE STRING,
TXDAT TYPE STRING,
WSKTO TYPE STRING,
LLIEF TYPE STRING,
APAR_IND TYPE STRING,
ACCNT TYPE STRING,
FWSTE TYPE STRING,
KBETR TYPE STRING,
NDDSH TYPE STRING,
NDDST TYPE STRING,
NDDPE TYPE STRING,
NDNSH TYPE STRING,
NDNST TYPE STRING,
NDNPE TYPE STRING,
DEDSH TYPE STRING,
DEDST TYPE STRING,
DEDPE TYPE STRING,
SKFBT TYPE STRING,
EKORG TYPE STRING,
GSBER TYPE STRING,
PROJK TYPE STRING,
PRCTR TYPE STRING,
AUFNR TYPE STRING,
KOSTL TYPE STRING,
KOKRS TYPE STRING,
BLART TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
BWTAR TYPE STRING,
MATKL TYPE STRING,
MEINS TYPE STRING,
MGLME TYPE STRING,
MTART TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
USER_DEFINED_1 TYPE STRING,
USER_DEFINED_2 TYPE STRING,
USER_DEFINED_3 TYPE STRING,
ALAND TYPE STRING,
KALSM TYPE STRING,
HWAER TYPE STRING,
TXJCD_POA TYPE STRING,
TXJCD_POO TYPE STRING,
TAXPS TYPE STRING,
XMWSN TYPE STRING,
XSKFN TYPE STRING,
TXJCD_L1 TYPE STRING,
TXJCD_L2 TYPE STRING,
TXJCD_L3 TYPE STRING,
TXJCD_L4 TYPE STRING,
OPINO TYPE STRING,
XKZINC TYPE STRING,
FWMAN TYPE STRING,
KPOSN TYPE STRING,
PRUEF TYPE STRING,
MWART TYPE STRING,
XMSTU TYPE STRING,
ZMWSK TYPE STRING,
EGRKZ TYPE STRING,
XSLTA TYPE STRING,
PROCD TYPE STRING,
TXIND TYPE STRING,
TXREL TYPE STRING,
LSTML TYPE STRING,
J_1BUSAGE TYPE STRING,
J_1BISS TYPE STRING,
J_1BTAXLW1 TYPE STRING,
J_1BTAXLW2 TYPE STRING,
J_1BTXICEX TYPE STRING,
J_1BTXIPEX TYPE STRING,
TOLERANCE TYPE STRING,
ZMWSK_ESA TYPE STRING,
ZMWSK_ESE TYPE STRING,
NEWDEFTAX TYPE STRING,
J_1BTAXLW4 TYPE STRING,
J_1BTAXLW5 TYPE STRING,
XINACT TYPE STRING,
MOSSC TYPE STRING,
OSS_CLASSIFICATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VAT_ITEM_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_VAT_ITEM_STR-ITEMNR sy-vline 
WA_VAT_ITEM_STR-BUKRS sy-vline 
WA_VAT_ITEM_STR-WAERS sy-vline 
WA_VAT_ITEM_STR-MWSKZ sy-vline 
WA_VAT_ITEM_STR-WRBTR sy-vline 
WA_VAT_ITEM_STR-FWBAS sy-vline 
WA_VAT_ITEM_STR-SHKZG sy-vline 
WA_VAT_ITEM_STR-XMANU sy-vline 
WA_VAT_ITEM_STR-TXJCD_ST sy-vline 
WA_VAT_ITEM_STR-TXJCD_SF sy-vline 
WA_VAT_ITEM_STR-TXDAT sy-vline 
WA_VAT_ITEM_STR-WSKTO sy-vline 
WA_VAT_ITEM_STR-LLIEF sy-vline 
WA_VAT_ITEM_STR-APAR_IND sy-vline 
WA_VAT_ITEM_STR-ACCNT sy-vline 
WA_VAT_ITEM_STR-FWSTE sy-vline 
WA_VAT_ITEM_STR-KBETR sy-vline 
WA_VAT_ITEM_STR-NDDSH sy-vline 
WA_VAT_ITEM_STR-NDDST sy-vline 
WA_VAT_ITEM_STR-NDDPE sy-vline 
WA_VAT_ITEM_STR-NDNSH sy-vline 
WA_VAT_ITEM_STR-NDNST sy-vline 
WA_VAT_ITEM_STR-NDNPE sy-vline 
WA_VAT_ITEM_STR-DEDSH sy-vline 
WA_VAT_ITEM_STR-DEDST sy-vline 
WA_VAT_ITEM_STR-DEDPE sy-vline 
WA_VAT_ITEM_STR-SKFBT sy-vline 
WA_VAT_ITEM_STR-EKORG sy-vline 
WA_VAT_ITEM_STR-GSBER sy-vline 
WA_VAT_ITEM_STR-PROJK sy-vline 
WA_VAT_ITEM_STR-PRCTR sy-vline 
WA_VAT_ITEM_STR-AUFNR sy-vline 
WA_VAT_ITEM_STR-KOSTL sy-vline 
WA_VAT_ITEM_STR-KOKRS sy-vline 
WA_VAT_ITEM_STR-BLART sy-vline 
WA_VAT_ITEM_STR-MATNR sy-vline 
WA_VAT_ITEM_STR-WERKS sy-vline 
WA_VAT_ITEM_STR-BWTAR sy-vline 
WA_VAT_ITEM_STR-MATKL sy-vline 
WA_VAT_ITEM_STR-MEINS sy-vline 
WA_VAT_ITEM_STR-MGLME sy-vline 
WA_VAT_ITEM_STR-MTART sy-vline 
WA_VAT_ITEM_STR-EBELN sy-vline 
WA_VAT_ITEM_STR-EBELP sy-vline 
WA_VAT_ITEM_STR-USER_DEFINED_1 sy-vline 
WA_VAT_ITEM_STR-USER_DEFINED_2 sy-vline 
WA_VAT_ITEM_STR-USER_DEFINED_3 sy-vline 
WA_VAT_ITEM_STR-ALAND sy-vline 
WA_VAT_ITEM_STR-KALSM sy-vline 
WA_VAT_ITEM_STR-HWAER sy-vline 
WA_VAT_ITEM_STR-TXJCD_POA sy-vline 
WA_VAT_ITEM_STR-TXJCD_POO sy-vline 
WA_VAT_ITEM_STR-TAXPS sy-vline 
WA_VAT_ITEM_STR-XMWSN sy-vline 
WA_VAT_ITEM_STR-XSKFN sy-vline 
WA_VAT_ITEM_STR-TXJCD_L1 sy-vline 
WA_VAT_ITEM_STR-TXJCD_L2 sy-vline 
WA_VAT_ITEM_STR-TXJCD_L3 sy-vline 
WA_VAT_ITEM_STR-TXJCD_L4 sy-vline 
WA_VAT_ITEM_STR-OPINO sy-vline 
WA_VAT_ITEM_STR-XKZINC sy-vline 
WA_VAT_ITEM_STR-FWMAN sy-vline 
WA_VAT_ITEM_STR-KPOSN sy-vline 
WA_VAT_ITEM_STR-PRUEF sy-vline 
WA_VAT_ITEM_STR-MWART sy-vline 
WA_VAT_ITEM_STR-XMSTU sy-vline 
WA_VAT_ITEM_STR-ZMWSK sy-vline 
WA_VAT_ITEM_STR-EGRKZ sy-vline 
WA_VAT_ITEM_STR-XSLTA sy-vline 
WA_VAT_ITEM_STR-PROCD sy-vline 
WA_VAT_ITEM_STR-TXIND sy-vline 
WA_VAT_ITEM_STR-TXREL sy-vline 
WA_VAT_ITEM_STR-LSTML sy-vline 
WA_VAT_ITEM_STR-J_1BUSAGE sy-vline 
WA_VAT_ITEM_STR-J_1BISS sy-vline 
WA_VAT_ITEM_STR-J_1BTAXLW1 sy-vline 
WA_VAT_ITEM_STR-J_1BTAXLW2 sy-vline 
WA_VAT_ITEM_STR-J_1BTXICEX sy-vline 
WA_VAT_ITEM_STR-J_1BTXIPEX sy-vline 
WA_VAT_ITEM_STR-TOLERANCE sy-vline 
WA_VAT_ITEM_STR-ZMWSK_ESA sy-vline 
WA_VAT_ITEM_STR-ZMWSK_ESE sy-vline 
WA_VAT_ITEM_STR-NEWDEFTAX sy-vline 
WA_VAT_ITEM_STR-J_1BTAXLW4 sy-vline 
WA_VAT_ITEM_STR-J_1BTAXLW5 sy-vline 
WA_VAT_ITEM_STR-XINACT sy-vline 
WA_VAT_ITEM_STR-MOSSC sy-vline 
WA_VAT_ITEM_STR-OSS_CLASSIFICATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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