ABAP Select data from SAP table FTR_FX_GUI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FTR_FX_GUI
*  INTO TABLE @DATA(IT_FTR_FX_GUI2).
*--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_FTR_FX_GUI INDEX 1 INTO DATA(WA_FTR_FX_GUI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FTR_FX_GUI>-COMPANY_CODE = 1.
<FTR_FX_GUI>-PRODUCT_TYPE = 1.
<FTR_FX_GUI>-TRANSACTION_TYPE = 1.
<FTR_FX_GUI>-PARTNER = 1.
<FTR_FX_GUI>-FXTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FTR_FX_GUI-BUY_CURRENCY, sy-vline,
  WA_FTR_FX_GUI-BUY_AMOUNT_CHAR, sy-vline,
  WA_FTR_FX_GUI-SELL_CURRENCY, sy-vline,
  WA_FTR_FX_GUI-SELL_AMOUNT_CHAR, sy-vline,
  WA_FTR_FX_GUI-FORWARD_RATE, sy-vline,
  WA_FTR_FX_GUI-SPOT_RATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FTR_FX_GUI 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_FTR_FX_GUI 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_FTR_FX_GUI INTO WA_FTR_FX_GUI.


*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 PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FTR_FX_GUI-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FTR_FX_GUI-PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DEAL_RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FTR_FX_GUI-DEAL_RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FTR_FX_GUI-DEAL_RFHA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MIRROR_RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FTR_FX_GUI-MIRROR_RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FTR_FX_GUI-MIRROR_RFHA.
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_FTR_FX_GUI_STR, 
COMPANY_CODE TYPE STRING,
PRODUCT_TYPE TYPE STRING,
TRANSACTION_TYPE TYPE STRING,
PARTNER TYPE STRING,
FXTYP TYPE STRING,
BUY_CURRENCY TYPE STRING,
BUY_AMOUNT_CHAR TYPE STRING,
SELL_CURRENCY TYPE STRING,
SELL_AMOUNT_CHAR TYPE STRING,
FORWARD_RATE TYPE STRING,
SPOT_RATE TYPE STRING,
SWAP_RATE TYPE STRING,
SPOT_RATE_DATE TYPE STRING,
SPOT_RATE_TIME TYPE STRING,
VALUE_DATE_CHAR TYPE STRING,
COMP_CODE_TEXT TYPE STRING,
PROD_TYPE_TEXT TYPE STRING,
TRANS_TYPE_TEXT TYPE STRING,
PARTNER_TEXT TYPE STRING,
CONTRACT_DATE TYPE STRING,
CONTRACT_TIME TYPE STRING,
CONTACT_PERSON TYPE STRING,
TRADER TYPE STRING,
VALID_DATE TYPE STRING,
VALID_TIME TYPE STRING,
DEAL_BUKRS TYPE STRING,
DEAL_RFHA TYPE STRING,
MIRROR_BUKRS TYPE STRING,
MIRROR_RFHA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FTR_FX_GUI_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_FTR_FX_GUI_STR-COMPANY_CODE sy-vline 
WA_FTR_FX_GUI_STR-PRODUCT_TYPE sy-vline 
WA_FTR_FX_GUI_STR-TRANSACTION_TYPE sy-vline 
WA_FTR_FX_GUI_STR-PARTNER sy-vline 
WA_FTR_FX_GUI_STR-FXTYP sy-vline 
WA_FTR_FX_GUI_STR-BUY_CURRENCY sy-vline 
WA_FTR_FX_GUI_STR-BUY_AMOUNT_CHAR sy-vline 
WA_FTR_FX_GUI_STR-SELL_CURRENCY sy-vline 
WA_FTR_FX_GUI_STR-SELL_AMOUNT_CHAR sy-vline 
WA_FTR_FX_GUI_STR-FORWARD_RATE sy-vline 
WA_FTR_FX_GUI_STR-SPOT_RATE sy-vline 
WA_FTR_FX_GUI_STR-SWAP_RATE sy-vline 
WA_FTR_FX_GUI_STR-SPOT_RATE_DATE sy-vline 
WA_FTR_FX_GUI_STR-SPOT_RATE_TIME sy-vline 
WA_FTR_FX_GUI_STR-VALUE_DATE_CHAR sy-vline 
WA_FTR_FX_GUI_STR-COMP_CODE_TEXT sy-vline 
WA_FTR_FX_GUI_STR-PROD_TYPE_TEXT sy-vline 
WA_FTR_FX_GUI_STR-TRANS_TYPE_TEXT sy-vline 
WA_FTR_FX_GUI_STR-PARTNER_TEXT sy-vline 
WA_FTR_FX_GUI_STR-CONTRACT_DATE sy-vline 
WA_FTR_FX_GUI_STR-CONTRACT_TIME sy-vline 
WA_FTR_FX_GUI_STR-CONTACT_PERSON sy-vline 
WA_FTR_FX_GUI_STR-TRADER sy-vline 
WA_FTR_FX_GUI_STR-VALID_DATE sy-vline 
WA_FTR_FX_GUI_STR-VALID_TIME sy-vline 
WA_FTR_FX_GUI_STR-DEAL_BUKRS sy-vline 
WA_FTR_FX_GUI_STR-DEAL_RFHA sy-vline 
WA_FTR_FX_GUI_STR-MIRROR_BUKRS sy-vline 
WA_FTR_FX_GUI_STR-MIRROR_RFHA sy-vline      INTO ld_text SEPARATED BY SPACE.

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