ABAP Select data from SAP table FIRU_S_TORG12_ITEM 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_TORG12_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 FIRU_S_TORG12_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 FIRU_S_TORG12_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_FIRU_S_TORG12_ITEM TYPE STANDARD TABLE OF FIRU_S_TORG12_ITEM,
      WA_FIRU_S_TORG12_ITEM TYPE FIRU_S_TORG12_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: <FIRU_S_TORG12_ITEM> TYPE FIRU_S_TORG12_ITEM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FIRU_S_TORG12_ITEM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FIRU_S_TORG12_ITEM
  INTO TABLE IT_FIRU_S_TORG12_ITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIRU_S_TORG12_ITEM
*  INTO TABLE @DATA(IT_FIRU_S_TORG12_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_FIRU_S_TORG12_ITEM INDEX 1 INTO DATA(WA_FIRU_S_TORG12_ITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FIRU_S_TORG12_ITEM ASSIGNING <FIRU_S_TORG12_ITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIRU_S_TORG12_ITEM>-BILLING_DOCUMENT = 1.
<FIRU_S_TORG12_ITEM>-BILLING_DOCUMENT_ITEM = 1.
<FIRU_S_TORG12_ITEM>-ITEM_NAME = 1.
<FIRU_S_TORG12_ITEM>-PRODUCT_CODE = 1.
<FIRU_S_TORG12_ITEM>-PRODUCT_UNIT = 1.

ENDLOOP.

LOOP AT IT_FIRU_S_TORG12_ITEM INTO WA_FIRU_S_TORG12_ITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIRU_S_TORG12_ITEM-UNIT_NAME, sy-vline,
  WA_FIRU_S_TORG12_ITEM-UNIT_OKEI, sy-vline,
  WA_FIRU_S_TORG12_ITEM-PACKAGING_TYPE, sy-vline,
  WA_FIRU_S_TORG12_ITEM-QUANTITY_ONE_PLACE, sy-vline,
  WA_FIRU_S_TORG12_ITEM-QUANTITY_PLACES, sy-vline,
  WA_FIRU_S_TORG12_ITEM-WEIGHT_GROSS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIRU_S_TORG12_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_FIRU_S_TORG12_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_FIRU_S_TORG12_ITEM INTO WA_FIRU_S_TORG12_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.

*Conversion exit ALPHA, internal->external for field BILLING_DOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_TORG12_ITEM-BILLING_DOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_TORG12_ITEM-BILLING_DOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT_CODE
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_TORG12_ITEM-PRODUCT_CODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_TORG12_ITEM-PRODUCT_CODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PRODUCT_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_TORG12_ITEM-PRODUCT_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_TORG12_ITEM-PRODUCT_UNIT.
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_TORG12_ITEM-WEIGHT_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_TORG12_ITEM-WEIGHT_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PO_ITEM_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_TORG12_ITEM-PO_ITEM_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_TORG12_ITEM-PO_ITEM_NUM.
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_TORG12_ITEM_STR, 
BILLING_DOCUMENT TYPE STRING,
BILLING_DOCUMENT_ITEM TYPE STRING,
ITEM_NAME TYPE STRING,
PRODUCT_CODE TYPE STRING,
PRODUCT_UNIT TYPE STRING,
UNIT_NAME TYPE STRING,
UNIT_OKEI TYPE STRING,
PACKAGING_TYPE TYPE STRING,
QUANTITY_ONE_PLACE TYPE STRING,
QUANTITY_PLACES TYPE STRING,
WEIGHT_GROSS TYPE STRING,
WEIGHT_NET TYPE STRING,
QUANTITY TYPE STRING,
PRICE TYPE STRING,
NET_AMOUNT TYPE STRING,
VAT_RATE TYPE STRING,
VAT_AMOUNT TYPE STRING,
TOTAL_AMOUNT TYPE STRING,
DOC_CURRENCY TYPE STRING,
WEIGHT_UNIT TYPE STRING,
CUSTOMER_PO_NUM TYPE STRING,
CUSTOMER_PO_DATE TYPE STRING,
PO_ITEM_NUM TYPE STRING,
CUSTOMER_MAT_NUM TYPE STRING,
SD_DOC_ITEM_NUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIRU_S_TORG12_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_FIRU_S_TORG12_ITEM_STR-BILLING_DOCUMENT sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-BILLING_DOCUMENT_ITEM sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-ITEM_NAME sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-PRODUCT_CODE sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-PRODUCT_UNIT sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-UNIT_NAME sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-UNIT_OKEI sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-PACKAGING_TYPE sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-QUANTITY_ONE_PLACE sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-QUANTITY_PLACES sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-WEIGHT_GROSS sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-WEIGHT_NET sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-QUANTITY sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-PRICE sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-NET_AMOUNT sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-VAT_RATE sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-VAT_AMOUNT sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-TOTAL_AMOUNT sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-DOC_CURRENCY sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-WEIGHT_UNIT sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-CUSTOMER_PO_NUM sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-CUSTOMER_PO_DATE sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-PO_ITEM_NUM sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-CUSTOMER_MAT_NUM sy-vline 
WA_FIRU_S_TORG12_ITEM_STR-SD_DOC_ITEM_NUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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