ABAP Select data from SAP table BAPI_FTR_GETDETAIL_FST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_FTR_GETDETAIL_FST
*  INTO TABLE @DATA(IT_BAPI_FTR_GETDETAIL_FST2).
*--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_BAPI_FTR_GETDETAIL_FST INDEX 1 INTO DATA(WA_BAPI_FTR_GETDETAIL_FST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_FTR_GETDETAIL_FST>-START_TERM = 1.
<BAPI_FTR_GETDETAIL_FST>-END_TERM = 1.
<BAPI_FTR_GETDETAIL_FST>-ROLLOVER_POSSIBLE = 1.
<BAPI_FTR_GETDETAIL_FST>-UNDERLYING_SECURITY_ID = 1.
<BAPI_FTR_GETDETAIL_FST>-UNDERLYING_SECURITIES_ACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_FTR_GETDETAIL_FST-UNDERLYING_VALUATION_CLASS, sy-vline,
  WA_BAPI_FTR_GETDETAIL_FST-UNDERLYING_PORTFOLIO, sy-vline,
  WA_BAPI_FTR_GETDETAIL_FST-UNDERLYING_POSITION_DATE, sy-vline,
  WA_BAPI_FTR_GETDETAIL_FST-NUMBER_UNITS, sy-vline,
  WA_BAPI_FTR_GETDETAIL_FST-FORWARD_PRICE, sy-vline,
  WA_BAPI_FTR_GETDETAIL_FST-FORWARD_PRICE_CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_FTR_GETDETAIL_FST 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_BAPI_FTR_GETDETAIL_FST 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_BAPI_FTR_GETDETAIL_FST INTO WA_BAPI_FTR_GETDETAIL_FST.


*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 ALPHA, internal->external for field UNDERLYING_SECURITY_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_FTR_GETDETAIL_FST-UNDERLYING_SECURITY_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_FTR_GETDETAIL_FST-UNDERLYING_SECURITY_ID.
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_BAPI_FTR_GETDETAIL_FST_STR, 
START_TERM TYPE STRING,
END_TERM TYPE STRING,
ROLLOVER_POSSIBLE TYPE STRING,
UNDERLYING_SECURITY_ID TYPE STRING,
UNDERLYING_SECURITIES_ACCOUNT TYPE STRING,
UNDERLYING_VALUATION_CLASS TYPE STRING,
UNDERLYING_PORTFOLIO TYPE STRING,
UNDERLYING_POSITION_DATE TYPE STRING,
NUMBER_UNITS TYPE STRING,
FORWARD_PRICE TYPE STRING,
FORWARD_PRICE_CURRENCY TYPE STRING,
FORWARD_PRICE_CURRENCY_ISO TYPE STRING,
SPOT_PRICE TYPE STRING,
SPOT_PRICE_CURRENCY TYPE STRING,
SPOT_PRICE_CURRENCY_ISO TYPE STRING,
SPOT_MATURITY TYPE STRING,
SPOT_MATURITY_CURRENCY TYPE STRING,
SPOT_MATURITY_CURRENCY_ISO TYPE STRING,
COSTS TYPE STRING,
COSTS_CURRENCY TYPE STRING,
COSTS_CURRENCY_ISO TYPE STRING,
INTEREST_AMOUNT TYPE STRING,
INTEREST_AMOUNT_CHAR TYPE STRING,
INTEREST_AMOUNT_CURRENCY TYPE STRING,
INTEREST_AMOUNT_CURRENCY_ISO TYPE STRING,
NOMINAL_AMOUNT TYPE STRING,
NOMINAL_AMOUNT_CHAR TYPE STRING,
NOMINAL_AMOUNT_CURRENCY TYPE STRING,
NOMINAL_AMOUNT_CURRENCY_ISO TYPE STRING,
FORWARD_PRICE_PERCENTAGE TYPE STRING,
SPOT_PRICE_PERCENTAGE TYPE STRING,
COSTS_PERCENTAGE TYPE STRING,
INTEREST_AMOUNT_PERCENTAGE TYPE STRING,
SPOT_MATURITY_PERCENTAGE TYPE STRING,
SETTLEMENT_INDICATOR TYPE STRING,
CASH_SETTLEMENT_DATE TYPE STRING,
CASH_SETTLEMENT_AMOUNT TYPE STRING,
CASH_SETTLEMENT_AMOUNT_CHAR TYPE STRING,
CASH_SETTLEMENT_CURRENCY TYPE STRING,
CASH_SETTLEMENT_CURRENCY_ISO TYPE STRING,
CASH_SETTLEMENT_DIRECTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_FTR_GETDETAIL_FST_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_BAPI_FTR_GETDETAIL_FST_STR-START_TERM sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-END_TERM sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-ROLLOVER_POSSIBLE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-UNDERLYING_SECURITY_ID sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-UNDERLYING_SECURITIES_ACCOUNT sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-UNDERLYING_VALUATION_CLASS sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-UNDERLYING_PORTFOLIO sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-UNDERLYING_POSITION_DATE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-NUMBER_UNITS sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-FORWARD_PRICE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-FORWARD_PRICE_CURRENCY sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-FORWARD_PRICE_CURRENCY_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-SPOT_PRICE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-SPOT_PRICE_CURRENCY sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-SPOT_PRICE_CURRENCY_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-SPOT_MATURITY sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-SPOT_MATURITY_CURRENCY sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-SPOT_MATURITY_CURRENCY_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-COSTS sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-COSTS_CURRENCY sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-COSTS_CURRENCY_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-INTEREST_AMOUNT sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-INTEREST_AMOUNT_CHAR sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-INTEREST_AMOUNT_CURRENCY sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-INTEREST_AMOUNT_CURRENCY_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-NOMINAL_AMOUNT sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-NOMINAL_AMOUNT_CHAR sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-NOMINAL_AMOUNT_CURRENCY sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-NOMINAL_AMOUNT_CURRENCY_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-FORWARD_PRICE_PERCENTAGE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-SPOT_PRICE_PERCENTAGE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-COSTS_PERCENTAGE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-INTEREST_AMOUNT_PERCENTAGE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-SPOT_MATURITY_PERCENTAGE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-SETTLEMENT_INDICATOR sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-CASH_SETTLEMENT_DATE sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-CASH_SETTLEMENT_AMOUNT sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-CASH_SETTLEMENT_AMOUNT_CHAR sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-CASH_SETTLEMENT_CURRENCY sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-CASH_SETTLEMENT_CURRENCY_ISO sy-vline 
WA_BAPI_FTR_GETDETAIL_FST_STR-CASH_SETTLEMENT_DIRECTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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