ABAP Select data from SAP table FTPS_API_PNR_HOTEL 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_PNR_HOTEL 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_PNR_HOTEL. 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_PNR_HOTEL 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_PNR_HOTEL TYPE STANDARD TABLE OF FTPS_API_PNR_HOTEL,
      WA_FTPS_API_PNR_HOTEL TYPE FTPS_API_PNR_HOTEL,
      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_PNR_HOTEL> TYPE FTPS_API_PNR_HOTEL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FTPS_API_PNR_HOTEL
*  INTO TABLE @DATA(IT_FTPS_API_PNR_HOTEL2).
*--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_PNR_HOTEL INDEX 1 INTO DATA(WA_FTPS_API_PNR_HOTEL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FTPS_API_PNR_HOTEL>-LINENUMBER = 1.
<FTPS_API_PNR_HOTEL>-CHAIN_CODE = 1.
<FTPS_API_PNR_HOTEL>-COMP_ACC_SELL = 1.
<FTPS_API_PNR_HOTEL>-SEGMENT_TYPE = 1.
<FTPS_API_PNR_HOTEL>-CHECKIN_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FTPS_API_PNR_HOTEL-CHECKIN_TIME, sy-vline,
  WA_FTPS_API_PNR_HOTEL-CHECKOUT_DATE, sy-vline,
  WA_FTPS_API_PNR_HOTEL-CHECKOUT_TIME, sy-vline,
  WA_FTPS_API_PNR_HOTEL-LOCATION, sy-vline,
  WA_FTPS_API_PNR_HOTEL-NAME, sy-vline,
  WA_FTPS_API_PNR_HOTEL-PROPERTY_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FTPS_API_PNR_HOTEL 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_PNR_HOTEL 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_PNR_HOTEL INTO WA_FTPS_API_PNR_HOTEL.


*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_PNR_HOTEL_STR, 
LINENUMBER TYPE STRING,
CHAIN_CODE TYPE STRING,
COMP_ACC_SELL TYPE STRING,
SEGMENT_TYPE TYPE STRING,
CHECKIN_DATE TYPE STRING,
CHECKIN_TIME TYPE STRING,
CHECKOUT_DATE TYPE STRING,
CHECKOUT_TIME TYPE STRING,
LOCATION TYPE STRING,
NAME TYPE STRING,
PROPERTY_CODE TYPE STRING,
NUMBER_OF_ROOMS TYPE STRING,
OCCUPANCY TYPE STRING,
STATUS_CODE TYPE STRING,
ROOM_RATE_CODE TYPE STRING,
CODED_IND TYPE STRING,
CONFIRMED_IND TYPE STRING,
CONFIRMATION_NR TYPE STRING,
BOOKING_SOURCE TYPE STRING,
CORPORATE_ID TYPE STRING,
MEMBERSHIP_ID TYPE STRING,
SUPPLEMENTAL_INFO TYPE STRING,
PRIORITY_RATE TYPE STRING,
NAME_IN_SEG TYPE STRING,
RATE_QUOTE_TYPE TYPE STRING,
RATE_QUOTE_RATE TYPE STRING,
RATE_QUOTE_CURR TYPE STRING,
GUARANTEE_CHAIN TYPE STRING,
GUARANTEE_CURR TYPE STRING,
GUARANTEE_AMOUNT TYPE STRING,
GAURANTEE_RATE_TYPE TYPE STRING,
DEPOSIT_TYPE TYPE STRING,
DEPOSIT_CREDIT_CARD_CODE TYPE STRING,
DEPOSIT_CREDIT_CARD_NUMBER TYPE STRING,
DEPOSIT_CREDIT_CARD_DATE TYPE STRING,
DEPOSIT_EXTRA TYPE STRING,
GUARANTEE_TYPE TYPE STRING,
GUARANTEE_CREDIT_CARD_VENDOR TYPE STRING,
GUARANTEE_CREDIT_CARD_NUMBER TYPE STRING,
GUARANTEE_CREDIT_CARD_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FTPS_API_PNR_HOTEL_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_PNR_HOTEL_STR-LINENUMBER sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-CHAIN_CODE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-COMP_ACC_SELL sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-SEGMENT_TYPE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-CHECKIN_DATE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-CHECKIN_TIME sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-CHECKOUT_DATE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-CHECKOUT_TIME sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-LOCATION sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-NAME sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-PROPERTY_CODE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-NUMBER_OF_ROOMS sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-OCCUPANCY sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-STATUS_CODE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-ROOM_RATE_CODE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-CODED_IND sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-CONFIRMED_IND sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-CONFIRMATION_NR sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-BOOKING_SOURCE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-CORPORATE_ID sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-MEMBERSHIP_ID sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-SUPPLEMENTAL_INFO sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-PRIORITY_RATE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-NAME_IN_SEG sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-RATE_QUOTE_TYPE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-RATE_QUOTE_RATE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-RATE_QUOTE_CURR sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-GUARANTEE_CHAIN sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-GUARANTEE_CURR sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-GUARANTEE_AMOUNT sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-GAURANTEE_RATE_TYPE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-DEPOSIT_TYPE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-DEPOSIT_CREDIT_CARD_CODE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-DEPOSIT_CREDIT_CARD_NUMBER sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-DEPOSIT_CREDIT_CARD_DATE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-DEPOSIT_EXTRA sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-GUARANTEE_TYPE sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-GUARANTEE_CREDIT_CARD_VENDOR sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-GUARANTEE_CREDIT_CARD_NUMBER sy-vline 
WA_FTPS_API_PNR_HOTEL_STR-GUARANTEE_CREDIT_CARD_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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