ABAP Select data from SAP table /SCWM/S_DO_VEH_NEW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_DO_VEH_NEW
*  INTO TABLE @DATA(IT_/SCWM/S_DO_VEH_NEW2).
*--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_/SCWM/S_DO_VEH_NEW INDEX 1 INTO DATA(WA_/SCWM/S_DO_VEH_NEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_DO_VEH_NEW>-VEH_NUM = 1.
</SCWM/S_DO_VEH_NEW>-VEH_NUM_EXT = 1.
</SCWM/S_DO_VEH_NEW>-LIC_PLATE_COUNTRY = 1.
</SCWM/S_DO_VEH_NEW>-LIC_PLATE = 1.
</SCWM/S_DO_VEH_NEW>-TSP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_DO_VEH_NEW-SCAC, sy-vline,
  WA_/SCWM/S_DO_VEH_NEW-MTR, sy-vline,
  WA_/SCWM/S_DO_VEH_NEW-OWNER, sy-vline,
  WA_/SCWM/S_DO_VEH_NEW-FRD_NUM, sy-vline,
  WA_/SCWM/S_DO_VEH_NEW-FRD_STOP_ID, sy-vline,
  WA_/SCWM/S_DO_VEH_NEW-FRD_ITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_DO_VEH_NEW 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_/SCWM/S_DO_VEH_NEW 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_/SCWM/S_DO_VEH_NEW INTO WA_/SCWM/S_DO_VEH_NEW.


*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 VEH_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_DO_VEH_NEW-VEH_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_DO_VEH_NEW-VEH_NUM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit BPMAP, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_BPMAP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_DO_VEH_NEW-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_DO_VEH_NEW-OWNER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ISOLA, internal->external for field DRIVER_LGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_DO_VEH_NEW-DRIVER_LGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_DO_VEH_NEW-DRIVER_LGE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPH0, internal->external for field VEH_SR_ACT_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_DO_VEH_NEW-VEH_SR_ACT_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_DO_VEH_NEW-VEH_SR_ACT_NUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TSP_CURR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_DO_VEH_NEW-TSP_CURR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_DO_VEH_NEW-TSP_CURR.
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_/SCWM/S_DO_VEH_NEW_STR, 
VEH_NUM TYPE STRING,
VEH_NUM_EXT TYPE STRING,
LIC_PLATE_COUNTRY TYPE STRING,
LIC_PLATE TYPE STRING,
TSP TYPE STRING,
SCAC TYPE STRING,
MTR TYPE STRING,
OWNER TYPE STRING,
FRD_NUM TYPE STRING,
FRD_STOP_ID TYPE STRING,
FRD_ITEM TYPE STRING,
FRD_ITEM_CAT TYPE STRING,
TRANSPL_TYPE TYPE STRING,
LOGSYS TYPE STRING,
TRANSPL_LOGSYS TYPE STRING,
TMS_COMM TYPE STRING,
START_PLAN_TSTFR TYPE STRING,
START_PLAN_TSTTO TYPE STRING,
START_TZONE TYPE STRING,
END_PLAN_TSTFR TYPE STRING,
END_PLAN_TSTTO TYPE STRING,
END_TZONE TYPE STRING,
DRIVER TYPE STRING,
DRIVER_LGE TYPE STRING,
FIXED_ASSIGNMENT TYPE STRING,
YARD TYPE STRING,
DAS_DOCNO TYPE STRING,
DAS_LPLOCA TYPE STRING,
LOG_PROCESS TYPE STRING,
VEH_SR_ACT_NUM TYPE STRING,
VEH_ID TYPE STRING,
FIXED_ASS TYPE STRING,
ACT_TYPE TYPE STRING,
ACT_CAT TYPE STRING,
TSP_CURR TYPE STRING,
SCAC_CURR TYPE STRING,
ACT_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_DO_VEH_NEW_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_/SCWM/S_DO_VEH_NEW_STR-VEH_NUM sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-VEH_NUM_EXT sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-LIC_PLATE_COUNTRY sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-LIC_PLATE sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-TSP sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-SCAC sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-MTR sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-OWNER sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-FRD_NUM sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-FRD_STOP_ID sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-FRD_ITEM sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-FRD_ITEM_CAT sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-TRANSPL_TYPE sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-LOGSYS sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-TRANSPL_LOGSYS sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-TMS_COMM sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-START_PLAN_TSTFR sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-START_PLAN_TSTTO sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-START_TZONE sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-END_PLAN_TSTFR sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-END_PLAN_TSTTO sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-END_TZONE sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-DRIVER sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-DRIVER_LGE sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-FIXED_ASSIGNMENT sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-YARD sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-DAS_DOCNO sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-DAS_LPLOCA sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-LOG_PROCESS sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-VEH_SR_ACT_NUM sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-VEH_ID sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-FIXED_ASS sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-ACT_TYPE sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-ACT_CAT sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-TSP_CURR sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-SCAC_CURR sy-vline 
WA_/SCWM/S_DO_VEH_NEW_STR-ACT_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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