ABAP Select data from SAP table FKK_FULPA_NOTIFICATION_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_FULPA_NOTIFICATION_ITEM
*  INTO TABLE @DATA(IT_FKK_FULPA_NOTIFICATION_ITEM2).
*--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_FKK_FULPA_NOTIFICATION_ITEM INDEX 1 INTO DATA(WA_FKK_FULPA_NOTIFICATION_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_FULPA_NOTIFICATION_ITEM>-CONTROLLER = 1.
<FKK_FULPA_NOTIFICATION_ITEM>-CONTRACT_ACCOUNT_REFERENCE = 1.
<FKK_FULPA_NOTIFICATION_ITEM>-TAX_PORTION_IN_TRANS_CURRENCY = 1.
<FKK_FULPA_NOTIFICATION_ITEM>-CONTROLLER = 1.
<FKK_FULPA_NOTIFICATION_ITEM>-CURRENCY_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_FULPA_NOTIFICATION_ITEM-CONTENT, sy-vline,
  WA_FKK_FULPA_NOTIFICATION_ITEM-CLEARING_AMOUNT_IN_TRANS_CRCY, sy-vline,
  WA_FKK_FULPA_NOTIFICATION_ITEM-CONTROLLER, sy-vline,
  WA_FKK_FULPA_NOTIFICATION_ITEM-CURRENCY_CODE, sy-vline,
  WA_FKK_FULPA_NOTIFICATION_ITEM-CONTENT, sy-vline,
  WA_FKK_FULPA_NOTIFICATION_ITEM-AMOUNT_IN_TRANSACTION_CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_FULPA_NOTIFICATION_ITEM 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_FKK_FULPA_NOTIFICATION_ITEM 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_FKK_FULPA_NOTIFICATION_ITEM INTO WA_FKK_FULPA_NOTIFICATION_ITEM.


*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_FKK_FULPA_NOTIFICATION_ITEM_STR, 
CONTROLLER TYPE STRING,
CONTRACT_ACCOUNT_REFERENCE TYPE STRING,
TAX_PORTION_IN_TRANS_CURRENCY TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CONTENT TYPE STRING,
CLEARING_AMOUNT_IN_TRANS_CRCY TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CONTENT TYPE STRING,
AMOUNT_IN_TRANSACTION_CURRENCY TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CONTENT TYPE STRING,
DOCUMENT_DATE TYPE STRING,
POSTING_DATE TYPE STRING,
DOCUMENT_NUMBER_WITH_ITEM TYPE STRING,
REPAYMENT_REQUEST TYPE STRING,
PAYMENT_ORDER TYPE STRING,
SEPAPRE_NOTIFICATION_NUMBER TYPE STRING,
PAID_ITEM_DUE_DATE TYPE STRING,
BUSINESS_PARTNER_REFERENCE TYPE STRING,
BUSINESS_PARTNER TYPE STRING,
ACCEPTED_CASH_DISCOUNT_RATE TYPE STRING,
MAIN_TRANSACTION TYPE STRING,
SUB_TRANSACTION TYPE STRING,
PROVIDER_CONTRACT TYPE STRING,
SUB_APPLICATION TYPE STRING,
INVOICING_DOCUMENT_REF TYPE STRING,
INVOICING_DOCUMENT_REF_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_FULPA_NOTIFICATION_ITEM_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_FKK_FULPA_NOTIFICATION_ITEM_STR-CONTROLLER sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CONTRACT_ACCOUNT_REFERENCE sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-TAX_PORTION_IN_TRANS_CURRENCY sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CONTROLLER sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CURRENCY_CODE sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CONTENT sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CLEARING_AMOUNT_IN_TRANS_CRCY sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CONTROLLER sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CURRENCY_CODE sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CONTENT sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-AMOUNT_IN_TRANSACTION_CURRENCY sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CONTROLLER sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CURRENCY_CODE sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-CONTENT sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-DOCUMENT_DATE sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-POSTING_DATE sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-DOCUMENT_NUMBER_WITH_ITEM sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-REPAYMENT_REQUEST sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-PAYMENT_ORDER sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-SEPAPRE_NOTIFICATION_NUMBER sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-PAID_ITEM_DUE_DATE sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-BUSINESS_PARTNER_REFERENCE sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-BUSINESS_PARTNER sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-ACCEPTED_CASH_DISCOUNT_RATE sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-MAIN_TRANSACTION sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-SUB_TRANSACTION sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-PROVIDER_CONTRACT sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-SUB_APPLICATION sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-INVOICING_DOCUMENT_REF sy-vline 
WA_FKK_FULPA_NOTIFICATION_ITEM_STR-INVOICING_DOCUMENT_REF_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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