ABAP Select data from SAP table BAPI_BKK_STR_FORWARD_SENDER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI_BKK_STR_FORWARD_SENDER 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_BKK_STR_FORWARD_SENDER. 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_BKK_STR_FORWARD_SENDER 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_BKK_STR_FORWARD_SENDER TYPE STANDARD TABLE OF BAPI_BKK_STR_FORWARD_SENDER,
      WA_BAPI_BKK_STR_FORWARD_SENDER TYPE BAPI_BKK_STR_FORWARD_SENDER,
      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_BKK_STR_FORWARD_SENDER> TYPE BAPI_BKK_STR_FORWARD_SENDER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_BKK_STR_FORWARD_SENDER
*  INTO TABLE @DATA(IT_BAPI_BKK_STR_FORWARD_SENDER2).
*--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_BKK_STR_FORWARD_SENDER INDEX 1 INTO DATA(WA_BAPI_BKK_STR_FORWARD_SENDER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_BKK_STR_FORWARD_SENDER>-FORWARDNUMBER = 1.
<BAPI_BKK_STR_FORWARD_SENDER>-ACCOUNT_HOLDER_NAME = 1.
<BAPI_BKK_STR_FORWARD_SENDER>-REFERENCE_NUMBER_CREATION = 1.
<BAPI_BKK_STR_FORWARD_SENDER>-REFERENCE_NUMBER_PAYMENT = 1.
<BAPI_BKK_STR_FORWARD_SENDER>-REFERENCE_NUMBER_DAYBOOK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_BKK_STR_FORWARD_SENDER-DATE_CREATION, sy-vline,
  WA_BAPI_BKK_STR_FORWARD_SENDER-DATE_VALUE, sy-vline,
  WA_BAPI_BKK_STR_FORWARD_SENDER-DATE_POST, sy-vline,
  WA_BAPI_BKK_STR_FORWARD_SENDER-CURRENCY, sy-vline,
  WA_BAPI_BKK_STR_FORWARD_SENDER-CURRENCY_ISO, sy-vline,
  WA_BAPI_BKK_STR_FORWARD_SENDER-AMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_BKK_STR_FORWARD_SENDER 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_BKK_STR_FORWARD_SENDER 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_BKK_STR_FORWARD_SENDER INTO WA_BAPI_BKK_STR_FORWARD_SENDER.


*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 REFERENCE_NUMBER_DAYBOOK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_BKK_STR_FORWARD_SENDER-REFERENCE_NUMBER_DAYBOOK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_BKK_STR_FORWARD_SENDER-REFERENCE_NUMBER_DAYBOOK.
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_BKK_STR_FORWARD_SENDER_STR, 
FORWARDNUMBER TYPE STRING,
ACCOUNT_HOLDER_NAME TYPE STRING,
REFERENCE_NUMBER_CREATION TYPE STRING,
REFERENCE_NUMBER_PAYMENT TYPE STRING,
REFERENCE_NUMBER_DAYBOOK TYPE STRING,
DATE_CREATION TYPE STRING,
DATE_VALUE TYPE STRING,
DATE_POST TYPE STRING,
CURRENCY TYPE STRING,
CURRENCY_ISO TYPE STRING,
AMOUNT TYPE STRING,
CHARGE TYPE STRING,
MEDIUM TYPE STRING,
PAYMENT_METHOD TYPE STRING,
TRNSTYPE TYPE STRING,
PROCESSED_ITEMS TYPE STRING,
CREDIT TYPE STRING,
CONTAINERFIELD1 TYPE STRING,
CONTAINERFIELD2 TYPE STRING,
CONTAINERFIELD3 TYPE STRING,
CONTAINERFIELD4 TYPE STRING,
CONTAINERFIELD5 TYPE STRING,
CONTAINERFIELD6 TYPE STRING,
PRENOTEREFERENCENO TYPE STRING,
DATE_DUE TYPE STRING,
UCI TYPE STRING,
PROCESSED_ITEMS8 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_BKK_STR_FORWARD_SENDER_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_BKK_STR_FORWARD_SENDER_STR-FORWARDNUMBER sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-ACCOUNT_HOLDER_NAME sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-REFERENCE_NUMBER_CREATION sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-REFERENCE_NUMBER_PAYMENT sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-REFERENCE_NUMBER_DAYBOOK sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-DATE_CREATION sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-DATE_VALUE sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-DATE_POST sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CURRENCY sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CURRENCY_ISO sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-AMOUNT sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CHARGE sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-MEDIUM sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-PAYMENT_METHOD sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-TRNSTYPE sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-PROCESSED_ITEMS sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CREDIT sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CONTAINERFIELD1 sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CONTAINERFIELD2 sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CONTAINERFIELD3 sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CONTAINERFIELD4 sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CONTAINERFIELD5 sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-CONTAINERFIELD6 sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-PRENOTEREFERENCENO sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-DATE_DUE sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-UCI sy-vline 
WA_BAPI_BKK_STR_FORWARD_SENDER_STR-PROCESSED_ITEMS8 sy-vline      INTO ld_text SEPARATED BY SPACE.

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