ABAP Select data from SAP table FIRU_S_INVOICE_FI_HEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIRU_S_INVOICE_FI_HEADER
*  INTO TABLE @DATA(IT_FIRU_S_INVOICE_FI_HEADER2).
*--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_FIRU_S_INVOICE_FI_HEADER INDEX 1 INTO DATA(WA_FIRU_S_INVOICE_FI_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIRU_S_INVOICE_FI_HEADER>-BUKRS = 1.
<FIRU_S_INVOICE_FI_HEADER>-BELNR = 1.
<FIRU_S_INVOICE_FI_HEADER>-GJAHR = 1.
<FIRU_S_INVOICE_FI_HEADER>-BILLING_DOCUMENT = 1.
<FIRU_S_INVOICE_FI_HEADER>-INV_NUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIRU_S_INVOICE_FI_HEADER-INV_DATE, sy-vline,
  WA_FIRU_S_INVOICE_FI_HEADER-REV_NUM, sy-vline,
  WA_FIRU_S_INVOICE_FI_HEADER-REV_DATE, sy-vline,
  WA_FIRU_S_INVOICE_FI_HEADER-BUDAT, sy-vline,
  WA_FIRU_S_INVOICE_FI_HEADER-SELLER_NAME, sy-vline,
  WA_FIRU_S_INVOICE_FI_HEADER-SELLER_ADDRESS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIRU_S_INVOICE_FI_HEADER 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_FIRU_S_INVOICE_FI_HEADER 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_FIRU_S_INVOICE_FI_HEADER INTO WA_FIRU_S_INVOICE_FI_HEADER.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_INVOICE_FI_HEADER-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_INVOICE_FI_HEADER-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit EXCRT, internal->external for field KURRF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_INVOICE_FI_HEADER-KURRF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_INVOICE_FI_HEADER-KURRF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WEIGHT_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_INVOICE_FI_HEADER-WEIGHT_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_INVOICE_FI_HEADER-WEIGHT_UNIT.
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_FIRU_S_INVOICE_FI_HEADER_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BILLING_DOCUMENT TYPE STRING,
INV_NUM TYPE STRING,
INV_DATE TYPE STRING,
REV_NUM TYPE STRING,
REV_DATE TYPE STRING,
BUDAT TYPE STRING,
SELLER_NAME TYPE STRING,
SELLER_ADDRESS TYPE STRING,
COUNTRY TYPE STRING,
POSTCODE TYPE STRING,
REGION TYPE STRING,
CITY1 TYPE STRING,
CITY2 TYPE STRING,
CITY3 TYPE STRING,
STREET TYPE STRING,
HOUSE_NUM1 TYPE STRING,
HOUSE_NUM2 TYPE STRING,
LOCATION TYPE STRING,
SELLER_INN TYPE STRING,
SELLER_KPP TYPE STRING,
CONSIGNOR_NAME TYPE STRING,
CONSIGNOR_ADDRESS TYPE STRING,
COUNTRY_CO TYPE STRING,
POSTCODE_CO TYPE STRING,
REGION_CO TYPE STRING,
CITY1_CO TYPE STRING,
CITY2_CO TYPE STRING,
CITY3_CO TYPE STRING,
STREET_CO TYPE STRING,
HOUSE_NUM1_CO TYPE STRING,
HOUSE_NUM2_CO TYPE STRING,
LOCATION_CO TYPE STRING,
CONSIGNOR_INN TYPE STRING,
CONSIGNOR_KPP TYPE STRING,
CONSIGNEE_NAME TYPE STRING,
CONSIGNEE_ADDRESS TYPE STRING,
COUNTRY_WE TYPE STRING,
POSTCODE_WE TYPE STRING,
REGION_WE TYPE STRING,
CITY1_WE TYPE STRING,
CITY2_WE TYPE STRING,
CITY3_WE TYPE STRING,
STREET_WE TYPE STRING,
HOUSE_NUM1_WE TYPE STRING,
HOUSE_NUM2_WE TYPE STRING,
LOCATION_WE TYPE STRING,
CONSIGNEE_INN TYPE STRING,
CONSIGNEE_KPP TYPE STRING,
PAYMENT_DOCS TYPE STRING,
BUYER_NAME TYPE STRING,
BUYER_ADDRESS TYPE STRING,
KUNNR TYPE STRING,
COUNTRY_AG TYPE STRING,
POSTCODE_AG TYPE STRING,
REGION_AG TYPE STRING,
CITY1_AG TYPE STRING,
CITY2_AG TYPE STRING,
CITY3_AG TYPE STRING,
STREET_AG TYPE STRING,
HOUSE_NUM1_AG TYPE STRING,
HOUSE_NUM2_AG TYPE STRING,
LOCATION_AG TYPE STRING,
BUYER_INN TYPE STRING,
BUYER_KPP TYPE STRING,
CURRENCY_NAME TYPE STRING,
CURRENCY_CODE TYPE STRING,
ADD_TXT TYPE STRING,
NET_AMOUNT TYPE STRING,
VAT_AMOUNT TYPE STRING,
TOTAL_AMOUNT TYPE STRING,
DOC_CURRENCY TYPE STRING,
LOCAL_CURRENCY TYPE STRING,
KURRF TYPE STRING,
CEO_NAME TYPE STRING,
CHIEFACC_NAME TYPE STRING,
NET_WEIGHT TYPE STRING,
WEIGHT_UNIT TYPE STRING,
GOV_CONTR_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIRU_S_INVOICE_FI_HEADER_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_FIRU_S_INVOICE_FI_HEADER_STR-BUKRS sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-BELNR sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-GJAHR sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-BILLING_DOCUMENT sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-INV_NUM sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-INV_DATE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-REV_NUM sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-REV_DATE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-BUDAT sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-SELLER_NAME sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-SELLER_ADDRESS sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-COUNTRY sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-POSTCODE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-REGION sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY1 sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY2 sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY3 sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-STREET sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-HOUSE_NUM1 sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-HOUSE_NUM2 sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-LOCATION sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-SELLER_INN sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-SELLER_KPP sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CONSIGNOR_NAME sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CONSIGNOR_ADDRESS sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-COUNTRY_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-POSTCODE_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-REGION_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY1_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY2_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY3_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-STREET_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-HOUSE_NUM1_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-HOUSE_NUM2_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-LOCATION_CO sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CONSIGNOR_INN sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CONSIGNOR_KPP sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CONSIGNEE_NAME sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CONSIGNEE_ADDRESS sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-COUNTRY_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-POSTCODE_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-REGION_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY1_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY2_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY3_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-STREET_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-HOUSE_NUM1_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-HOUSE_NUM2_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-LOCATION_WE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CONSIGNEE_INN sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CONSIGNEE_KPP sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-PAYMENT_DOCS sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-BUYER_NAME sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-BUYER_ADDRESS sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-KUNNR sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-COUNTRY_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-POSTCODE_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-REGION_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY1_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY2_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CITY3_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-STREET_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-HOUSE_NUM1_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-HOUSE_NUM2_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-LOCATION_AG sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-BUYER_INN sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-BUYER_KPP sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CURRENCY_NAME sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CURRENCY_CODE sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-ADD_TXT sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-NET_AMOUNT sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-VAT_AMOUNT sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-TOTAL_AMOUNT sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-DOC_CURRENCY sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-LOCAL_CURRENCY sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-KURRF sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CEO_NAME sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-CHIEFACC_NAME sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-NET_WEIGHT sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-WEIGHT_UNIT sy-vline 
WA_FIRU_S_INVOICE_FI_HEADER_STR-GOV_CONTR_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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