ABAP Select data from SAP table IVMSVEHICLELOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IVMSVEHICLELOC
*  INTO TABLE @DATA(IT_IVMSVEHICLELOC2).
*--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_IVMSVEHICLELOC INDEX 1 INTO DATA(WA_IVMSVEHICLELOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IVMSVEHICLELOC>-MANDT = 1.
<IVMSVEHICLELOC>-VMSVEHICLELOCATION = 1.
<IVMSVEHICLELOC>-ADDRESSNUMBER = 1.
<IVMSVEHICLELOC>-BUSINESSPARTNERNAME1 = 1.
<IVMSVEHICLELOC>-CITYNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IVMSVEHICLELOC-POSTALCODE, sy-vline,
  WA_IVMSVEHICLELOC-HOUSENUMBER, sy-vline,
  WA_IVMSVEHICLELOC-STREETNAME, sy-vline,
  WA_IVMSVEHICLELOC-COUNTRY, sy-vline,
  WA_IVMSVEHICLELOC-REGION, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_IVMSVEHICLELOC 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_IVMSVEHICLELOC 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_IVMSVEHICLELOC INTO WA_IVMSVEHICLELOC.


*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 ADDRESSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IVMSVEHICLELOC-ADDRESSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IVMSVEHICLELOC-ADDRESSNUMBER.
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_IVMSVEHICLELOC_STR, 
MANDT TYPE STRING,
VMSVEHICLELOCATION TYPE STRING,
ADDRESSNUMBER TYPE STRING,
BUSINESSPARTNERNAME1 TYPE STRING,
CITYNAME TYPE STRING,
POSTALCODE TYPE STRING,
HOUSENUMBER TYPE STRING,
STREETNAME TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IVMSVEHICLELOC_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_IVMSVEHICLELOC_STR-MANDT sy-vline 
WA_IVMSVEHICLELOC_STR-VMSVEHICLELOCATION sy-vline 
WA_IVMSVEHICLELOC_STR-ADDRESSNUMBER sy-vline 
WA_IVMSVEHICLELOC_STR-BUSINESSPARTNERNAME1 sy-vline 
WA_IVMSVEHICLELOC_STR-CITYNAME sy-vline 
WA_IVMSVEHICLELOC_STR-POSTALCODE sy-vline 
WA_IVMSVEHICLELOC_STR-HOUSENUMBER sy-vline 
WA_IVMSVEHICLELOC_STR-STREETNAME sy-vline 
WA_IVMSVEHICLELOC_STR-COUNTRY sy-vline 
WA_IVMSVEHICLELOC_STR-REGION sy-vline      INTO ld_text SEPARATED BY SPACE.

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