ABAP Select data from SAP table /SCMTMS/S_LSO_OPT_ET_VEHICLE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMTMS/S_LSO_OPT_ET_VEHICLE 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 /SCMTMS/S_LSO_OPT_ET_VEHICLE. 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 /SCMTMS/S_LSO_OPT_ET_VEHICLE 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_/SCMTMS/S_LSO_OPT_ET_VEHICLE TYPE STANDARD TABLE OF /SCMTMS/S_LSO_OPT_ET_VEHICLE,
      WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE TYPE /SCMTMS/S_LSO_OPT_ET_VEHICLE,
      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: </SCMTMS/S_LSO_OPT_ET_VEHICLE> TYPE /SCMTMS/S_LSO_OPT_ET_VEHICLE.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMTMS/S_LSO_OPT_ET_VEHICLE
  INTO TABLE IT_/SCMTMS/S_LSO_OPT_ET_VEHICLE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/S_LSO_OPT_ET_VEHICLE
*  INTO TABLE @DATA(IT_/SCMTMS/S_LSO_OPT_ET_VEHICLE2).
*--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_/SCMTMS/S_LSO_OPT_ET_VEHICLE INDEX 1 INTO DATA(WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMTMS/S_LSO_OPT_ET_VEHICLE ASSIGNING </SCMTMS/S_LSO_OPT_ET_VEHICLE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/S_LSO_OPT_ET_VEHICLE>-VEH_GUID = 1.
</SCMTMS/S_LSO_OPT_ET_VEHICLE>-VEH_ID = 1.
</SCMTMS/S_LSO_OPT_ET_VEHICLE>-VEH_TYPE = 1.
</SCMTMS/S_LSO_OPT_ET_VEHICLE>-RULESET_ID = 1.
</SCMTMS/S_LSO_OPT_ET_VEHICLE>-EMPTY_WGHT = 1.

ENDLOOP.

LOOP AT IT_/SCMTMS/S_LSO_OPT_ET_VEHICLE INTO WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-MAX_WGHT, sy-vline,
  WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-CARGO_BODY_DIST, sy-vline,
  WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-INT_WIDTH, sy-vline,
  WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-INT_LENGTH, sy-vline,
  WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-INT_HEIGHT, sy-vline,
  WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-CONNECTOR_DIST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE 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_/SCMTMS/S_LSO_OPT_ET_VEHICLE 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_/SCMTMS/S_LSO_OPT_ET_VEHICLE INTO WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE.


*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 EXP01, internal->external for field VEH_GUID
CALL FUNCTION 'CONVERSION_EXIT_EXP01_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-VEH_GUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-VEH_GUID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXP03, internal->external for field FIXED_COST
CALL FUNCTION 'CONVERSION_EXIT_EXP03_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-FIXED_COST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE-FIXED_COST.
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_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR, 
VEH_GUID TYPE STRING,
VEH_ID TYPE STRING,
VEH_TYPE TYPE STRING,
RULESET_ID TYPE STRING,
EMPTY_WGHT TYPE STRING,
MAX_WGHT TYPE STRING,
CARGO_BODY_DIST TYPE STRING,
INT_WIDTH TYPE STRING,
INT_LENGTH TYPE STRING,
INT_HEIGHT TYPE STRING,
CONNECTOR_DIST TYPE STRING,
MAX_WGHT_CONNECTOR TYPE STRING,
MAX_TRAILING_LOAD TYPE STRING,
KING_PIN_DIST TYPE STRING,
MAX_WGHT_KING_PIN TYPE STRING,
SPLIT_DECK_POS TYPE STRING,
MAX_WGHT_SPLIT_DECK TYPE STRING,
UNLOADING_STRAT TYPE STRING,
COUNT TYPE STRING,
FIXED_COST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_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_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-VEH_GUID sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-VEH_ID sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-VEH_TYPE sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-RULESET_ID sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-EMPTY_WGHT sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-MAX_WGHT sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-CARGO_BODY_DIST sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-INT_WIDTH sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-INT_LENGTH sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-INT_HEIGHT sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-CONNECTOR_DIST sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-MAX_WGHT_CONNECTOR sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-MAX_TRAILING_LOAD sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-KING_PIN_DIST sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-MAX_WGHT_KING_PIN sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-SPLIT_DECK_POS sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-MAX_WGHT_SPLIT_DECK sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-UNLOADING_STRAT sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-COUNT sy-vline 
WA_/SCMTMS/S_LSO_OPT_ET_VEHICLE_STR-FIXED_COST sy-vline      INTO ld_text SEPARATED BY SPACE.

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