ABAP Select data from SAP table /XLSO/S_SO_ITEM_PRICE_DISCOUNT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /XLSO/S_SO_ITEM_PRICE_DISCOUNT 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 /XLSO/S_SO_ITEM_PRICE_DISCOUNT. 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 /XLSO/S_SO_ITEM_PRICE_DISCOUNT 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_/XLSO/S_SO_ITEM_PRICE_DISCOUNT TYPE STANDARD TABLE OF /XLSO/S_SO_ITEM_PRICE_DISCOUNT,
      WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT TYPE /XLSO/S_SO_ITEM_PRICE_DISCOUNT,
      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: </XLSO/S_SO_ITEM_PRICE_DISCOUNT> TYPE /XLSO/S_SO_ITEM_PRICE_DISCOUNT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /XLSO/S_SO_ITEM_PRICE_DISCOUNT
  INTO TABLE IT_/XLSO/S_SO_ITEM_PRICE_DISCOUNT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /XLSO/S_SO_ITEM_PRICE_DISCOUNT
*  INTO TABLE @DATA(IT_/XLSO/S_SO_ITEM_PRICE_DISCOUNT2).
*--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_/XLSO/S_SO_ITEM_PRICE_DISCOUNT INDEX 1 INTO DATA(WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/XLSO/S_SO_ITEM_PRICE_DISCOUNT ASSIGNING </XLSO/S_SO_ITEM_PRICE_DISCOUNT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</XLSO/S_SO_ITEM_PRICE_DISCOUNT>-ITM_NUMBER = 1.
</XLSO/S_SO_ITEM_PRICE_DISCOUNT>-UNIT_PRICE = 1.
</XLSO/S_SO_ITEM_PRICE_DISCOUNT>-PROD_DISCOUNT = 1.
</XLSO/S_SO_ITEM_PRICE_DISCOUNT>-CUST_DISCOUNT = 1.
</XLSO/S_SO_ITEM_PRICE_DISCOUNT>-PROD_CUST_DISCOUNT = 1.

ENDLOOP.

LOOP AT IT_/XLSO/S_SO_ITEM_PRICE_DISCOUNT INTO WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-LAST_MIN_DISCOUNT, sy-vline,
  WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-EVOUCHER_DISCOUNT, sy-vline,
  WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-UNIT_DISCOUNTED_PRICE, sy-vline,
  WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-TOTAL_PRICE_EXCLUDING_TAX, sy-vline,
  WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-MATNR, sy-vline,
  WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-PRODUCTTYPE_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT 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_/XLSO/S_SO_ITEM_PRICE_DISCOUNT 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_/XLSO/S_SO_ITEM_PRICE_DISCOUNT INTO WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT-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_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR, 
ITM_NUMBER TYPE STRING,
UNIT_PRICE TYPE STRING,
PROD_DISCOUNT TYPE STRING,
CUST_DISCOUNT TYPE STRING,
PROD_CUST_DISCOUNT TYPE STRING,
LAST_MIN_DISCOUNT TYPE STRING,
EVOUCHER_DISCOUNT TYPE STRING,
UNIT_DISCOUNTED_PRICE TYPE STRING,
TOTAL_PRICE_EXCLUDING_TAX TYPE STRING,
MATNR TYPE STRING,
PRODUCTTYPE_TYPE TYPE STRING,
PRODUCTTYPE_ID TYPE STRING,
PRODUCT_TYPE TYPE STRING,
PRODUCT_ID TYPE STRING,
PRODUCT_NAME TYPE STRING,
PRODUCT_BEGDA TYPE STRING,
PRODUCT_ENDDA TYPE STRING,
TOTAL_QUANTITY TYPE STRING,
UOM TYPE STRING,
NN_QUANTITY TYPE STRING,
PARTICIPANTS TYPE STRING,
DELIVERY_METHOD_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_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_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-ITM_NUMBER sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-UNIT_PRICE sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PROD_DISCOUNT sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-CUST_DISCOUNT sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PROD_CUST_DISCOUNT sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-LAST_MIN_DISCOUNT sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-EVOUCHER_DISCOUNT sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-UNIT_DISCOUNTED_PRICE sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-TOTAL_PRICE_EXCLUDING_TAX sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-MATNR sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PRODUCTTYPE_TYPE sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PRODUCTTYPE_ID sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PRODUCT_TYPE sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PRODUCT_ID sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PRODUCT_NAME sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PRODUCT_BEGDA sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PRODUCT_ENDDA sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-TOTAL_QUANTITY sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-UOM sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-NN_QUANTITY sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-PARTICIPANTS sy-vline 
WA_/XLSO/S_SO_ITEM_PRICE_DISCOUNT_STR-DELIVERY_METHOD_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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