ABAP Select data from SAP table /TMF/NFCREATION_VEHICLE_NFVEHI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /TMF/NFCREATION_VEHICLE_NFVEHI
*  INTO TABLE @DATA(IT_/TMF/NFCREATION_VEHICLE_NFVEHI2).
*--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_/TMF/NFCREATION_VEHICLE_NFVEHI INDEX 1 INTO DATA(WA_/TMF/NFCREATION_VEHICLE_NFVEHI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</TMF/NFCREATION_VEHICLE_NFVEHI>-CONTROLLER = 1.
</TMF/NFCREATION_VEHICLE_NFVEHI>-DOCNUM = 1.
</TMF/NFCREATION_VEHICLE_NFVEHI>-ITMNUM = 1.
</TMF/NFCREATION_VEHICLE_NFVEHI>-TPOP = 1.
</TMF/NFCREATION_VEHICLE_NFVEHI>-CHASSI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/TMF/NFCREATION_VEHICLE_NFVEHI-CCOR, sy-vline,
  WA_/TMF/NFCREATION_VEHICLE_NFVEHI-XCOR, sy-vline,
  WA_/TMF/NFCREATION_VEHICLE_NFVEHI-POT, sy-vline,
  WA_/TMF/NFCREATION_VEHICLE_NFVEHI-CILIN, sy-vline,
  WA_/TMF/NFCREATION_VEHICLE_NFVEHI-PESOL, sy-vline,
  WA_/TMF/NFCREATION_VEHICLE_NFVEHI-PESOB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/TMF/NFCREATION_VEHICLE_NFVEHI 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_/TMF/NFCREATION_VEHICLE_NFVEHI 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_/TMF/NFCREATION_VEHICLE_NFVEHI INTO WA_/TMF/NFCREATION_VEHICLE_NFVEHI.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/TMF/NFCREATION_VEHICLE_NFVEHI_STR, 
CONTROLLER TYPE STRING,
DOCNUM TYPE STRING,
ITMNUM TYPE STRING,
TPOP TYPE STRING,
CHASSI TYPE STRING,
CCOR TYPE STRING,
XCOR TYPE STRING,
POT TYPE STRING,
CILIN TYPE STRING,
PESOL TYPE STRING,
PESOB TYPE STRING,
NSERIE TYPE STRING,
TPCOMB TYPE STRING,
NMOTOR TYPE STRING,
CMT TYPE STRING,
DIST TYPE STRING,
ANOMOD TYPE STRING,
ANOFAB TYPE STRING,
TPPINT TYPE STRING,
TPVEIC TYPE STRING,
ESPVEIC TYPE STRING,
VIN TYPE STRING,
CONDVEIC TYPE STRING,
CMOD TYPE STRING,
CCORDENATRAN TYPE STRING,
LOTA TYPE STRING,
TPREST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/TMF/NFCREATION_VEHICLE_NFVEHI_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_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-CONTROLLER sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-DOCNUM sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-ITMNUM sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-TPOP sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-CHASSI sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-CCOR sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-XCOR sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-POT sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-CILIN sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-PESOL sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-PESOB sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-NSERIE sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-TPCOMB sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-NMOTOR sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-CMT sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-DIST sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-ANOMOD sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-ANOFAB sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-TPPINT sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-TPVEIC sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-ESPVEIC sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-VIN sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-CONDVEIC sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-CMOD sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-CCORDENATRAN sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-LOTA sy-vline 
WA_/TMF/NFCREATION_VEHICLE_NFVEHI_STR-TPREST sy-vline      INTO ld_text SEPARATED BY SPACE.

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