ABAP Select data from SAP table FIKZ_DI_INVOICE2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FIKZ_DI_INVOICE2 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 FIKZ_DI_INVOICE2. 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 FIKZ_DI_INVOICE2 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_FIKZ_DI_INVOICE2 TYPE STANDARD TABLE OF FIKZ_DI_INVOICE2,
      WA_FIKZ_DI_INVOICE2 TYPE FIKZ_DI_INVOICE2,
      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: <FIKZ_DI_INVOICE2> TYPE FIKZ_DI_INVOICE2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FIKZ_DI_INVOICE2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FIKZ_DI_INVOICE2
  INTO TABLE IT_FIKZ_DI_INVOICE2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIKZ_DI_INVOICE2
*  INTO TABLE @DATA(IT_FIKZ_DI_INVOICE22).
*--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_FIKZ_DI_INVOICE2 INDEX 1 INTO DATA(WA_FIKZ_DI_INVOICE22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FIKZ_DI_INVOICE2 ASSIGNING <FIKZ_DI_INVOICE2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIKZ_DI_INVOICE2>-CONTROLLER = 1.
<FIKZ_DI_INVOICE2>-BASE = 1.
<FIKZ_DI_INVOICE2>-CONTROLLER = 1.
<FIKZ_DI_INVOICE2>-DATE = 1.
<FIKZ_DI_INVOICE2>-INVOICE_TYPE = 1.

ENDLOOP.

LOOP AT IT_FIKZ_DI_INVOICE2 INTO WA_FIKZ_DI_INVOICE2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIKZ_DI_INVOICE2-NUM, sy-vline,
  WA_FIKZ_DI_INVOICE2-OPERATOR_FULLNAME, sy-vline,
  WA_FIKZ_DI_INVOICE2-RELATED_INVOICE, sy-vline,
  WA_FIKZ_DI_INVOICE2-CONTROLLER, sy-vline,
  WA_FIKZ_DI_INVOICE2-DATE, sy-vline,
  WA_FIKZ_DI_INVOICE2-NUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIKZ_DI_INVOICE2 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_FIKZ_DI_INVOICE2 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_FIKZ_DI_INVOICE2 INTO WA_FIKZ_DI_INVOICE2.


*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_FIKZ_DI_INVOICE2_STR, 
CONTROLLER TYPE STRING,
BASE TYPE STRING,
CONTROLLER TYPE STRING,
DATE TYPE STRING,
INVOICE_TYPE TYPE STRING,
NUM TYPE STRING,
OPERATOR_FULLNAME TYPE STRING,
RELATED_INVOICE TYPE STRING,
CONTROLLER TYPE STRING,
DATE TYPE STRING,
NUM TYPE STRING,
REGISTRATION_NUMBER TYPE STRING,
SIGNATURE TYPE STRING,
SIGNATURE_TYPE TYPE STRING,
ADD_INF TYPE STRING,
CONSIGNEE TYPE STRING,
CONTROLLER TYPE STRING,
ADDRESS TYPE STRING,
NAME TYPE STRING,
TIN TYPE STRING,
CONSIGNOR TYPE STRING,
CONTROLLER TYPE STRING,
ADDRESS TYPE STRING,
NAME TYPE STRING,
TIN TYPE STRING,
CUSTOMER_PARTICIPANTS TYPE STRING,
CONTROLLER TYPE STRING,
PARTICIPANT TYPE STRING,
CUSTOMERS TYPE STRING,
CONTROLLER TYPE STRING,
CUSTOMER TYPE STRING,
DELIVERY_TERM TYPE STRING,
CONTROLLER TYPE STRING,
CONTRACT_DATE TYPE STRING,
CONTRACT_NUM TYPE STRING,
DESTINATION TYPE STRING,
EXERCISE_WAY TYPE STRING,
TERM TYPE STRING,
WARRANT TYPE STRING,
WARRANT_DATE TYPE STRING,
PRODUCT_SET TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CURRENCY_RATE TYPE STRING,
PRODUCT TYPE STRING,
TOTAL_EXCISE_AMOUNT TYPE STRING,
TOTAL_NDS_AMOUNT TYPE STRING,
TOTAL_PRICE_WITH_TAX TYPE STRING,
TOTAL_PRICE_WITHOUT_TAX TYPE STRING,
TOTAL_TURNOVER_SIZE TYPE STRING,
PUBLIC_OFFICE TYPE STRING,
CONTROLLER TYPE STRING,
BIK TYPE STRING,
IIK TYPE STRING,
PAY_PURPOSE TYPE STRING,
PRODUCT_CODE TYPE STRING,
SELLER_PARTICIPANTS TYPE STRING,
CONTROLLER TYPE STRING,
PARTICIPANT TYPE STRING,
SELLERS TYPE STRING,
CONTROLLER TYPE STRING,
SELLER TYPE STRING,
TURNOVER_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIKZ_DI_INVOICE2_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_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-BASE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-DATE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-INVOICE_TYPE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-NUM sy-vline 
WA_FIKZ_DI_INVOICE2_STR-OPERATOR_FULLNAME sy-vline 
WA_FIKZ_DI_INVOICE2_STR-RELATED_INVOICE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-DATE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-NUM sy-vline 
WA_FIKZ_DI_INVOICE2_STR-REGISTRATION_NUMBER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-SIGNATURE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-SIGNATURE_TYPE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-ADD_INF sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONSIGNEE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-ADDRESS sy-vline 
WA_FIKZ_DI_INVOICE2_STR-NAME sy-vline 
WA_FIKZ_DI_INVOICE2_STR-TIN sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONSIGNOR sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-ADDRESS sy-vline 
WA_FIKZ_DI_INVOICE2_STR-NAME sy-vline 
WA_FIKZ_DI_INVOICE2_STR-TIN sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CUSTOMER_PARTICIPANTS sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-PARTICIPANT sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CUSTOMERS sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CUSTOMER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-DELIVERY_TERM sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTRACT_DATE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTRACT_NUM sy-vline 
WA_FIKZ_DI_INVOICE2_STR-DESTINATION sy-vline 
WA_FIKZ_DI_INVOICE2_STR-EXERCISE_WAY sy-vline 
WA_FIKZ_DI_INVOICE2_STR-TERM sy-vline 
WA_FIKZ_DI_INVOICE2_STR-WARRANT sy-vline 
WA_FIKZ_DI_INVOICE2_STR-WARRANT_DATE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-PRODUCT_SET sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CURRENCY_CODE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CURRENCY_RATE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-PRODUCT sy-vline 
WA_FIKZ_DI_INVOICE2_STR-TOTAL_EXCISE_AMOUNT sy-vline 
WA_FIKZ_DI_INVOICE2_STR-TOTAL_NDS_AMOUNT sy-vline 
WA_FIKZ_DI_INVOICE2_STR-TOTAL_PRICE_WITH_TAX sy-vline 
WA_FIKZ_DI_INVOICE2_STR-TOTAL_PRICE_WITHOUT_TAX sy-vline 
WA_FIKZ_DI_INVOICE2_STR-TOTAL_TURNOVER_SIZE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-PUBLIC_OFFICE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-BIK sy-vline 
WA_FIKZ_DI_INVOICE2_STR-IIK sy-vline 
WA_FIKZ_DI_INVOICE2_STR-PAY_PURPOSE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-PRODUCT_CODE sy-vline 
WA_FIKZ_DI_INVOICE2_STR-SELLER_PARTICIPANTS sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-PARTICIPANT sy-vline 
WA_FIKZ_DI_INVOICE2_STR-SELLERS sy-vline 
WA_FIKZ_DI_INVOICE2_STR-CONTROLLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-SELLER sy-vline 
WA_FIKZ_DI_INVOICE2_STR-TURNOVER_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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