ABAP Select data from SAP table FTPS_API_RAIL_FIN_IN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FTPS_API_RAIL_FIN_IN
*  INTO TABLE @DATA(IT_FTPS_API_RAIL_FIN_IN2).
*--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_FTPS_API_RAIL_FIN_IN INDEX 1 INTO DATA(WA_FTPS_API_RAIL_FIN_IN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FTPS_API_RAIL_FIN_IN>-TRAFFIC_TYPE = 1.
<FTPS_API_RAIL_FIN_IN>-TARIFF_TYPE = 1.
<FTPS_API_RAIL_FIN_IN>-REDUCTION = 1.
<FTPS_API_RAIL_FIN_IN>-FOREIGN_TRAFFIC_TYPE = 1.
<FTPS_API_RAIL_FIN_IN>-FOREIGN_TARIFF_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FTPS_API_RAIL_FIN_IN-FOREIGN_EDUCTION, sy-vline,
  WA_FTPS_API_RAIL_FIN_IN-TRAIN_CLASS, sy-vline,
  WA_FTPS_API_RAIL_FIN_IN-NUMBER_OF_TICKETS, sy-vline,
  WA_FTPS_API_RAIL_FIN_IN-NUMBER_OF_ADULTS, sy-vline,
  WA_FTPS_API_RAIL_FIN_IN-NUMBER_OF_CHLDREN, sy-vline,
  WA_FTPS_API_RAIL_FIN_IN-FORM_OF_PAYMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FTPS_API_RAIL_FIN_IN 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_FTPS_API_RAIL_FIN_IN 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_FTPS_API_RAIL_FIN_IN INTO WA_FTPS_API_RAIL_FIN_IN.


*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_FTPS_API_RAIL_FIN_IN_STR, 
TRAFFIC_TYPE TYPE STRING,
TARIFF_TYPE TYPE STRING,
REDUCTION TYPE STRING,
FOREIGN_TRAFFIC_TYPE TYPE STRING,
FOREIGN_TARIFF_TYPE TYPE STRING,
FOREIGN_EDUCTION TYPE STRING,
TRAIN_CLASS TYPE STRING,
NUMBER_OF_TICKETS TYPE STRING,
NUMBER_OF_ADULTS TYPE STRING,
NUMBER_OF_CHLDREN TYPE STRING,
FORM_OF_PAYMENT TYPE STRING,
MWST TYPE STRING,
VALID_FROM_DAYS TYPE STRING,
VALID_FROM_MONTH TYPE STRING,
VALID_FROM_YEAR TYPE STRING,
VALID_TO_DAYS TYPE STRING,
VALID_TO_MONTH TYPE STRING,
VALID_TO_YEAR TYPE STRING,
VALIDITY_MONTH_NUMBER TYPE STRING,
VALIDITY_WEEK_NUMBER TYPE STRING,
SALES_GUIDE_NUMBER TYPE STRING,
TRAIN_NUMBER TYPE STRING,
TRAIN_TYPE TYPE STRING,
STUNDE TYPE STRING,
COMBINE_STATION_INDICATOR TYPE STRING,
DEPARTURE_STATION TYPE STRING,
DESTINATION_STATION TYPE STRING,
OUTWARD_ICE_DEPARTURE_STATION TYPE STRING,
OUTWARD_ICE_DESTINATION_STATIO TYPE STRING,
OUTWARD_ICE_VIA_STATION_ROUTE1 TYPE STRING,
OUTWARD_ICE_VIA_STATION_ROUTE2 TYPE STRING,
OUTWARD_ICE_BREAKPOINT_ROUTE1 TYPE STRING,
OUTWARD_ICE_BREAKPOINT_ROUTE2 TYPE STRING,
OUTWARD_ICE_OPERATION_CODE TYPE STRING,
RETURN_ICE_DEPARTURE_STATION TYPE STRING,
RETURN_ICE_DESTINATION_STATIO TYPE STRING,
RETURN_ICE_VIA_STATION_ROUTE1 TYPE STRING,
RETURN_ICE_VIA_STATION_ROUTE2 TYPE STRING,
RETURN_ICE_BREAKPOINT_ROUTE1 TYPE STRING,
RETURN_ICE_BREAKPOINT_ROUTE2 TYPE STRING,
RETURN_ICE_OPERATION_CODE TYPE STRING,
BUS_INTERELATIONS TYPE STRING,
BUS_LINE_NUMBER TYPE STRING,
BUS_DEPARTURE TYPE STRING,
BUS_DESTINATION TYPE STRING,
BEZIRK TYPE STRING,
NUMBER_MONTHLY_TICKET TYPE STRING,
HPTK_NR TYPE STRING,
HPT_BEZ TYPE STRING,
HPT_NETZ TYPE STRING,
BETRAG TYPE STRING,
NUMBER_OF_DB_SALES_OFFICE TYPE STRING,
BEZ_KM_DB TYPE STRING,
BEZ_KM_FREMD TYPE STRING,
ZONEN_KM_FREMD TYPE STRING,
ANG_GRUPPE TYPE STRING,
TRAVELLER_NAME TYPE STRING,
AIRLINE_TICKET_NUMBER TYPE STRING,
ID_NUMBER TYPE STRING,
STELLPL TYPE STRING,
KFZ TYPE STRING,
DATE_OF_BIRTH TYPE STRING,
VERS TYPE STRING,
SPOUSE_NAME TYPE STRING,
STREET TYPE STRING,
ZIP_CODE TYPE STRING,
ADDRESS TYPE STRING,
DIRECTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FTPS_API_RAIL_FIN_IN_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_FTPS_API_RAIL_FIN_IN_STR-TRAFFIC_TYPE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-TARIFF_TYPE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-REDUCTION sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-FOREIGN_TRAFFIC_TYPE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-FOREIGN_TARIFF_TYPE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-FOREIGN_EDUCTION sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-TRAIN_CLASS sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-NUMBER_OF_TICKETS sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-NUMBER_OF_ADULTS sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-NUMBER_OF_CHLDREN sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-FORM_OF_PAYMENT sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-MWST sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-VALID_FROM_DAYS sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-VALID_FROM_MONTH sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-VALID_FROM_YEAR sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-VALID_TO_DAYS sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-VALID_TO_MONTH sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-VALID_TO_YEAR sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-VALIDITY_MONTH_NUMBER sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-VALIDITY_WEEK_NUMBER sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-SALES_GUIDE_NUMBER sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-TRAIN_NUMBER sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-TRAIN_TYPE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-STUNDE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-COMBINE_STATION_INDICATOR sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-DEPARTURE_STATION sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-DESTINATION_STATION sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-OUTWARD_ICE_DEPARTURE_STATION sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-OUTWARD_ICE_DESTINATION_STATIO sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-OUTWARD_ICE_VIA_STATION_ROUTE1 sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-OUTWARD_ICE_VIA_STATION_ROUTE2 sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-OUTWARD_ICE_BREAKPOINT_ROUTE1 sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-OUTWARD_ICE_BREAKPOINT_ROUTE2 sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-OUTWARD_ICE_OPERATION_CODE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-RETURN_ICE_DEPARTURE_STATION sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-RETURN_ICE_DESTINATION_STATIO sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-RETURN_ICE_VIA_STATION_ROUTE1 sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-RETURN_ICE_VIA_STATION_ROUTE2 sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-RETURN_ICE_BREAKPOINT_ROUTE1 sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-RETURN_ICE_BREAKPOINT_ROUTE2 sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-RETURN_ICE_OPERATION_CODE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-BUS_INTERELATIONS sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-BUS_LINE_NUMBER sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-BUS_DEPARTURE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-BUS_DESTINATION sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-BEZIRK sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-NUMBER_MONTHLY_TICKET sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-HPTK_NR sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-HPT_BEZ sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-HPT_NETZ sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-BETRAG sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-NUMBER_OF_DB_SALES_OFFICE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-BEZ_KM_DB sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-BEZ_KM_FREMD sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-ZONEN_KM_FREMD sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-ANG_GRUPPE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-TRAVELLER_NAME sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-AIRLINE_TICKET_NUMBER sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-ID_NUMBER sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-STELLPL sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-KFZ sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-DATE_OF_BIRTH sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-VERS sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-SPOUSE_NAME sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-STREET sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-ZIP_CODE sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-ADDRESS sy-vline 
WA_FTPS_API_RAIL_FIN_IN_STR-DIRECTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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