ABAP Select data from SAP table FTPS_API_HOTEL_SELL_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_HOTEL_SELL_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_HOTEL_SELL_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_HOTEL_SELL_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_HOTEL_SELL_IN TYPE STANDARD TABLE OF FTPS_API_HOTEL_SELL_IN,
      WA_FTPS_API_HOTEL_SELL_IN TYPE FTPS_API_HOTEL_SELL_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_HOTEL_SELL_IN> TYPE FTPS_API_HOTEL_SELL_IN.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FTPS_API_HOTEL_SELL_IN
*  INTO TABLE @DATA(IT_FTPS_API_HOTEL_SELL_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_HOTEL_SELL_IN INDEX 1 INTO DATA(WA_FTPS_API_HOTEL_SELL_IN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FTPS_API_HOTEL_SELL_IN>-ACTION_TYPE = 1.
<FTPS_API_HOTEL_SELL_IN>-CHAIN_CODE = 1.
<FTPS_API_HOTEL_SELL_IN>-CITY_CODE = 1.
<FTPS_API_HOTEL_SELL_IN>-PROPERTY_CODE = 1.
<FTPS_API_HOTEL_SELL_IN>-CHECKIN_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FTPS_API_HOTEL_SELL_IN-CHECKOUT_DATE, sy-vline,
  WA_FTPS_API_HOTEL_SELL_IN-OCCUPANCY, sy-vline,
  WA_FTPS_API_HOTEL_SELL_IN-ROOM_CODE, sy-vline,
  WA_FTPS_API_HOTEL_SELL_IN-RATE_CODE, sy-vline,
  WA_FTPS_API_HOTEL_SELL_IN-REBOOK_STD_ACCESS, sy-vline,
  WA_FTPS_API_HOTEL_SELL_IN-CONFIRMATION_NUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FTPS_API_HOTEL_SELL_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_HOTEL_SELL_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_HOTEL_SELL_IN INTO WA_FTPS_API_HOTEL_SELL_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_HOTEL_SELL_IN_STR, 
ACTION_TYPE TYPE STRING,
CHAIN_CODE TYPE STRING,
CITY_CODE TYPE STRING,
PROPERTY_CODE TYPE STRING,
CHECKIN_DATE TYPE STRING,
CHECKOUT_DATE TYPE STRING,
OCCUPANCY TYPE STRING,
ROOM_CODE TYPE STRING,
RATE_CODE TYPE STRING,
REBOOK_STD_ACCESS TYPE STRING,
CONFIRMATION_NUMBER TYPE STRING,
RATE_QUOTE TYPE STRING,
AMOUNT_OVERRIDE TYPE STRING,
ACCOUNT_INFO TYPE STRING,
BOOKING_SOURCE TYPE STRING,
CORPORATE_ID TYPE STRING,
DEPOSIT TYPE STRING,
GUARANTEE_ID TYPE STRING,
MEMBERSHIP_ID TYPE STRING,
NUMBER_OF_ROOMS TYPE STRING,
PREFERRED_RATE_CODE TYPE STRING,
ROOM_TYPE_OVERRIDE TYPE STRING,
RATE_PLAN TYPE STRING,
RATE_PLAN_IDENTIFIER TYPE STRING,
SPECIAL_INFORMATION TYPE STRING,
ADDRESS_CONFIRMATION TYPE STRING,
RATE_TYPE TYPE STRING,
SAVING_AMOUNT TYPE STRING,
BILLING_NUMBER TYPE STRING,
SAFETY_OPTION TYPE STRING,
BOOKING_VIA TYPE STRING,
CHECK_IN_DATE TYPE STRING,
CHECK_OUT_DATE TYPE STRING,
MIN_MAX_STAY_INFO TYPE STRING,
SERVICE_CHARGE_INFO TYPE STRING,
TAX_INFORMATION TYPE STRING,
TOTAL_RATE TYPE STRING,
ADVANCE_BOOKING_REQ TYPE STRING,
ARR_DEP_RESTRICTION TYPE STRING,
COMMISSION_INFORMATION TYPE STRING,
CANCELLATION_POLICY TYPE STRING,
HOLD_INFORMATION TYPE STRING,
MEAL_INFORMATION TYPE STRING,
ROOM_TYPE_CODE TYPE STRING,
AMER_PLAN_AMOUNT TYPE STRING,
NUMBER_AMER_PLAN TYPE STRING,
MOD_AMER_PLAN_AMOUNT TYPE STRING,
NUMBER_MOD_AMER_PLAN TYPE STRING,
FAM_PLAN_AMOUNT TYPE STRING,
NUMBER_FAM_PLAN TYPE STRING,
MOD_FAM_PLAN_AMOUNT TYPE STRING,
NUMBER_MOD_FAM_PLAN TYPE STRING,
CRIB_AMOUNT TYPE STRING,
NUMBER_CRIB TYPE STRING,
ADT_ROLL_AMOUNT TYPE STRING,
NUMBER_ADT_ROLL TYPE STRING,
CHD_ROLL_AMOUNT TYPE STRING,
NUMBER_CHD_ROLL TYPE STRING,
EXTRA_PERSON_COST TYPE STRING,
NUMBER_OF_EXTRA_PERSONS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FTPS_API_HOTEL_SELL_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_HOTEL_SELL_IN_STR-ACTION_TYPE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CHAIN_CODE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CITY_CODE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-PROPERTY_CODE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CHECKIN_DATE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CHECKOUT_DATE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-OCCUPANCY sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-ROOM_CODE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-RATE_CODE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-REBOOK_STD_ACCESS sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CONFIRMATION_NUMBER sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-RATE_QUOTE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-AMOUNT_OVERRIDE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-ACCOUNT_INFO sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-BOOKING_SOURCE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CORPORATE_ID sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-DEPOSIT sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-GUARANTEE_ID sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-MEMBERSHIP_ID sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-NUMBER_OF_ROOMS sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-PREFERRED_RATE_CODE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-ROOM_TYPE_OVERRIDE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-RATE_PLAN sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-RATE_PLAN_IDENTIFIER sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-SPECIAL_INFORMATION sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-ADDRESS_CONFIRMATION sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-RATE_TYPE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-SAVING_AMOUNT sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-BILLING_NUMBER sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-SAFETY_OPTION sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-BOOKING_VIA sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CHECK_IN_DATE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CHECK_OUT_DATE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-MIN_MAX_STAY_INFO sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-SERVICE_CHARGE_INFO sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-TAX_INFORMATION sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-TOTAL_RATE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-ADVANCE_BOOKING_REQ sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-ARR_DEP_RESTRICTION sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-COMMISSION_INFORMATION sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CANCELLATION_POLICY sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-HOLD_INFORMATION sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-MEAL_INFORMATION sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-ROOM_TYPE_CODE sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-AMER_PLAN_AMOUNT sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-NUMBER_AMER_PLAN sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-MOD_AMER_PLAN_AMOUNT sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-NUMBER_MOD_AMER_PLAN sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-FAM_PLAN_AMOUNT sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-NUMBER_FAM_PLAN sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-MOD_FAM_PLAN_AMOUNT sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-NUMBER_MOD_FAM_PLAN sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CRIB_AMOUNT sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-NUMBER_CRIB sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-ADT_ROLL_AMOUNT sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-NUMBER_ADT_ROLL sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-CHD_ROLL_AMOUNT sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-NUMBER_CHD_ROLL sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-EXTRA_PERSON_COST sy-vline 
WA_FTPS_API_HOTEL_SELL_IN_STR-NUMBER_OF_EXTRA_PERSONS sy-vline      INTO ld_text SEPARATED BY SPACE.

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