ABAP Select data from SAP table FIEU_S_GOODS_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FIEU_S_GOODS_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 FIEU_S_GOODS_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 FIEU_S_GOODS_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_FIEU_S_GOODS_ITEM TYPE STANDARD TABLE OF FIEU_S_GOODS_ITEM,
      WA_FIEU_S_GOODS_ITEM TYPE FIEU_S_GOODS_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: <FIEU_S_GOODS_ITEM> TYPE FIEU_S_GOODS_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIEU_S_GOODS_ITEM
*  INTO TABLE @DATA(IT_FIEU_S_GOODS_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_FIEU_S_GOODS_ITEM INDEX 1 INTO DATA(WA_FIEU_S_GOODS_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIEU_S_GOODS_ITEM>-BUKRS = 1.
<FIEU_S_GOODS_ITEM>-VBELN = 1.
<FIEU_S_GOODS_ITEM>-MJAHR = 1.
<FIEU_S_GOODS_ITEM>-POSNR = 1.
<FIEU_S_GOODS_ITEM>-BLDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIEU_S_GOODS_ITEM-LINENUM, sy-vline,
  WA_FIEU_S_GOODS_ITEM-ORDREF, sy-vline,
  WA_FIEU_S_GOODS_ITEM-ORDERDATE, sy-vline,
  WA_FIEU_S_GOODS_ITEM-PRODUCT, sy-vline,
  WA_FIEU_S_GOODS_ITEM-PRODUCT_DESC, sy-vline,
  WA_FIEU_S_GOODS_ITEM-QUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIEU_S_GOODS_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_FIEU_S_GOODS_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_FIEU_S_GOODS_ITEM INTO WA_FIEU_S_GOODS_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 VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIEU_S_GOODS_ITEM-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIEU_S_GOODS_ITEM-VBELN.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FIEU_S_GOODS_ITEM-UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIEU_S_GOODS_ITEM-UOM.
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_FIEU_S_GOODS_ITEM_STR, 
BUKRS TYPE STRING,
VBELN TYPE STRING,
MJAHR TYPE STRING,
POSNR TYPE STRING,
BLDAT TYPE STRING,
LINENUM TYPE STRING,
ORDREF TYPE STRING,
ORDERDATE TYPE STRING,
PRODUCT TYPE STRING,
PRODUCT_DESC TYPE STRING,
QUANTITY TYPE STRING,
UOM TYPE STRING,
UNITOFMEASURE TYPE STRING,
WAERS TYPE STRING,
UNITPRICE TYPE STRING,
DESCRIPTION TYPE STRING,
DEBITAMOUNT TYPE STRING,
CREDITAMOUNT TYPE STRING,
TAXTYPE TYPE STRING,
TAXREGION TYPE STRING,
TAXCODE TYPE STRING,
TAXRATE TYPE STRING,
TAXREASON TYPE STRING,
SETTLEAMOUNT TYPE STRING,
TAXCODE_OFFICIA TYPE STRING,
UNITPRICE_NEW TYPE STRING,
PRODUCTID TYPE STRING,
UNITPRICE_EXT TYPE STRING,
PRODUCT_SERNO TYPE STRING,
TAXEXEMPTIONCODE TYPE STRING,
ARCNO TYPE STRING,
IECAMOUNT TYPE STRING,
SERIAL_NOS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIEU_S_GOODS_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_FIEU_S_GOODS_ITEM_STR-BUKRS sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-VBELN sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-MJAHR sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-POSNR sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-BLDAT sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-LINENUM sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-ORDREF sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-ORDERDATE sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-PRODUCT sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-PRODUCT_DESC sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-QUANTITY sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-UOM sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-UNITOFMEASURE sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-WAERS sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-UNITPRICE sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-DESCRIPTION sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-DEBITAMOUNT sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-CREDITAMOUNT sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-TAXTYPE sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-TAXREGION sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-TAXCODE sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-TAXRATE sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-TAXREASON sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-SETTLEAMOUNT sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-TAXCODE_OFFICIA sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-UNITPRICE_NEW sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-PRODUCTID sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-UNITPRICE_EXT sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-PRODUCT_SERNO sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-TAXEXEMPTIONCODE sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-ARCNO sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-IECAMOUNT sy-vline 
WA_FIEU_S_GOODS_ITEM_STR-SERIAL_NOS sy-vline      INTO ld_text SEPARATED BY SPACE.

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