ABAP Select data from SAP table FTPS_WEB_HOTEL_SERVICE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FTPS_WEB_HOTEL_SERVICE 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_WEB_HOTEL_SERVICE. 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_WEB_HOTEL_SERVICE 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_WEB_HOTEL_SERVICE TYPE STANDARD TABLE OF FTPS_WEB_HOTEL_SERVICE,
      WA_FTPS_WEB_HOTEL_SERVICE TYPE FTPS_WEB_HOTEL_SERVICE,
      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_WEB_HOTEL_SERVICE> TYPE FTPS_WEB_HOTEL_SERVICE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FTPS_WEB_HOTEL_SERVICE
*  INTO TABLE @DATA(IT_FTPS_WEB_HOTEL_SERVICE2).
*--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_WEB_HOTEL_SERVICE INDEX 1 INTO DATA(WA_FTPS_WEB_HOTEL_SERVICE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FTPS_WEB_HOTEL_SERVICE>-HOTEL_RES_SYSTEM = 1.
<FTPS_WEB_HOTEL_SERVICE>-HOTEL = 1.
<FTPS_WEB_HOTEL_SERVICE>-PROPERTY = 1.
<FTPS_WEB_HOTEL_SERVICE>-HOTEL_NUMBER = 1.
<FTPS_WEB_HOTEL_SERVICE>-LOC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FTPS_WEB_HOTEL_SERVICE-HOTEL_NAME, sy-vline,
  WA_FTPS_WEB_HOTEL_SERVICE-HOTEL_CHAIN, sy-vline,
  WA_FTPS_WEB_HOTEL_SERVICE-HOTEL_LOCATION_TEXT, sy-vline,
  WA_FTPS_WEB_HOTEL_SERVICE-DATE_ARR_H, sy-vline,
  WA_FTPS_WEB_HOTEL_SERVICE-DATE_DEP_H, sy-vline,
  WA_FTPS_WEB_HOTEL_SERVICE-DAY_ARR_H, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FTPS_WEB_HOTEL_SERVICE 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_WEB_HOTEL_SERVICE 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_WEB_HOTEL_SERVICE INTO WA_FTPS_WEB_HOTEL_SERVICE.


*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 FMCTP, internal->external for field PROPERTY
CALL FUNCTION 'CONVERSION_EXIT_FMCTP_OUTPUT'
  EXPORTING
    input =                      WA_FTPS_WEB_HOTEL_SERVICE-PROPERTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FTPS_WEB_HOTEL_SERVICE-PROPERTY.
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_FTPS_WEB_HOTEL_SERVICE_STR, 
HOTEL_RES_SYSTEM TYPE STRING,
HOTEL TYPE STRING,
PROPERTY TYPE STRING,
HOTEL_NUMBER TYPE STRING,
LOC TYPE STRING,
HOTEL_NAME TYPE STRING,
HOTEL_CHAIN TYPE STRING,
HOTEL_LOCATION_TEXT TYPE STRING,
DATE_ARR_H TYPE STRING,
DATE_DEP_H TYPE STRING,
DAY_ARR_H TYPE STRING,
DAY_DEP_H TYPE STRING,
ROOM_LONG_TEXT TYPE STRING,
ADD_INFO_TEXT TYPE STRING,
HOTEL_ADDRESS_L1 TYPE STRING,
HOTEL_ADDRESS_L2 TYPE STRING,
HOTEL_PHONE TYPE STRING,
MEALS_TEXT TYPE STRING,
HOTEL_PRICE TYPE STRING,
HOTEL_RATE TYPE STRING,
HOTEL_CURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FTPS_WEB_HOTEL_SERVICE_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_WEB_HOTEL_SERVICE_STR-HOTEL_RES_SYSTEM sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-PROPERTY sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_NUMBER sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-LOC sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_NAME sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_CHAIN sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_LOCATION_TEXT sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-DATE_ARR_H sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-DATE_DEP_H sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-DAY_ARR_H sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-DAY_DEP_H sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-ROOM_LONG_TEXT sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-ADD_INFO_TEXT sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_ADDRESS_L1 sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_ADDRESS_L2 sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_PHONE sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-MEALS_TEXT sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_PRICE sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_RATE sy-vline 
WA_FTPS_WEB_HOTEL_SERVICE_STR-HOTEL_CURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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