ABAP Select data from SAP table J_3RF_DIXML_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RF_DIXML_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 J_3RF_DIXML_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 J_3RF_DIXML_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_J_3RF_DIXML_ITEM TYPE STANDARD TABLE OF J_3RF_DIXML_ITEM,
      WA_J_3RF_DIXML_ITEM TYPE J_3RF_DIXML_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: <J_3RF_DIXML_ITEM> TYPE J_3RF_DIXML_ITEM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RF_DIXML_ITEM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RF_DIXML_ITEM
  INTO TABLE IT_J_3RF_DIXML_ITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RF_DIXML_ITEM
*  INTO TABLE @DATA(IT_J_3RF_DIXML_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_J_3RF_DIXML_ITEM INDEX 1 INTO DATA(WA_J_3RF_DIXML_ITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RF_DIXML_ITEM ASSIGNING <J_3RF_DIXML_ITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RF_DIXML_ITEM>-POSNR = 1.
<J_3RF_DIXML_ITEM>-GOODS = 1.
<J_3RF_DIXML_ITEM>-OKEI = 1.
<J_3RF_DIXML_ITEM>-QUANT = 1.
<J_3RF_DIXML_ITEM>-VRKME = 1.

ENDLOOP.

LOOP AT IT_J_3RF_DIXML_ITEM INTO WA_J_3RF_DIXML_ITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RF_DIXML_ITEM-PRICE, sy-vline,
  WA_J_3RF_DIXML_ITEM-SMNET, sy-vline,
  WA_J_3RF_DIXML_ITEM-SMVAT, sy-vline,
  WA_J_3RF_DIXML_ITEM-TOTAL, sy-vline,
  WA_J_3RF_DIXML_ITEM-EXCISE, sy-vline,
  WA_J_3RF_DIXML_ITEM-VAT_RATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RF_DIXML_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_J_3RF_DIXML_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_J_3RF_DIXML_ITEM INTO WA_J_3RF_DIXML_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 CUNIT, internal->external for field VRKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_DIXML_ITEM-VRKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_DIXML_ITEM-VRKME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU192, internal->external for field SMNET
CALL FUNCTION 'CONVERSION_EXIT_AU192_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_DIXML_ITEM-SMNET
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_DIXML_ITEM-SMNET.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU192, internal->external for field TOTAL
CALL FUNCTION 'CONVERSION_EXIT_AU192_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_DIXML_ITEM-TOTAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_DIXML_ITEM-TOTAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EXT_EBELP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_DIXML_ITEM-EXT_EBELP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_DIXML_ITEM-EXT_EBELP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_DIXML_ITEM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_DIXML_ITEM-MATNR.
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_J_3RF_DIXML_ITEM_STR, 
POSNR TYPE STRING,
GOODS TYPE STRING,
OKEI TYPE STRING,
QUANT TYPE STRING,
VRKME TYPE STRING,
PRICE TYPE STRING,
SMNET TYPE STRING,
SMVAT TYPE STRING,
TOTAL TYPE STRING,
EXCISE TYPE STRING,
VAT_RATE TYPE STRING,
VAT_TYPE TYPE STRING,
PRICE_TXT TYPE STRING,
MEINS_DESC TYPE STRING,
GOODS_IDENTITY_INFO TYPE STRING,
HERKL TYPE STRING,
CCD_NUM TYPE STRING,
CCD_TAB TYPE STRING,
NOTES TYPE STRING,
NOTES_TAB TYPE STRING,
GOOD_TYPE TYPE STRING,
GOOD_TYPE_ADD_INF TYPE STRING,
GOOD_FEATURE TYPE STRING,
MEASURE_NAME TYPE STRING,
COUNTRY_ORIGIN TYPE STRING,
TRANS_AMOUNT TYPE STRING,
CORR_ACCT_DEBIT TYPE STRING,
CORR_ACCT_CREDIT TYPE STRING,
GOODS_CHARACTERISTICS TYPE STRING,
GOODS_SORT TYPE STRING,
VENDOR_GOODS_CODE TYPE STRING,
CATALOG_CODE TYPE STRING,
GOODS_TYPE_CODE TYPE STRING,
TRACEBILITY_INFO TYPE STRING,
GOODS_IDENTITY TYPE STRING,
GOODS_IDENTITY_NEW TYPE STRING,
EXT_MATNR TYPE STRING,
EXT_EBELN TYPE STRING,
EXT_EBELP TYPE STRING,
EXT_BEDAT TYPE STRING,
MATNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RF_DIXML_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_J_3RF_DIXML_ITEM_STR-POSNR sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOODS sy-vline 
WA_J_3RF_DIXML_ITEM_STR-OKEI sy-vline 
WA_J_3RF_DIXML_ITEM_STR-QUANT sy-vline 
WA_J_3RF_DIXML_ITEM_STR-VRKME sy-vline 
WA_J_3RF_DIXML_ITEM_STR-PRICE sy-vline 
WA_J_3RF_DIXML_ITEM_STR-SMNET sy-vline 
WA_J_3RF_DIXML_ITEM_STR-SMVAT sy-vline 
WA_J_3RF_DIXML_ITEM_STR-TOTAL sy-vline 
WA_J_3RF_DIXML_ITEM_STR-EXCISE sy-vline 
WA_J_3RF_DIXML_ITEM_STR-VAT_RATE sy-vline 
WA_J_3RF_DIXML_ITEM_STR-VAT_TYPE sy-vline 
WA_J_3RF_DIXML_ITEM_STR-PRICE_TXT sy-vline 
WA_J_3RF_DIXML_ITEM_STR-MEINS_DESC sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOODS_IDENTITY_INFO sy-vline 
WA_J_3RF_DIXML_ITEM_STR-HERKL sy-vline 
WA_J_3RF_DIXML_ITEM_STR-CCD_NUM sy-vline 
WA_J_3RF_DIXML_ITEM_STR-CCD_TAB sy-vline 
WA_J_3RF_DIXML_ITEM_STR-NOTES sy-vline 
WA_J_3RF_DIXML_ITEM_STR-NOTES_TAB sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOOD_TYPE sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOOD_TYPE_ADD_INF sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOOD_FEATURE sy-vline 
WA_J_3RF_DIXML_ITEM_STR-MEASURE_NAME sy-vline 
WA_J_3RF_DIXML_ITEM_STR-COUNTRY_ORIGIN sy-vline 
WA_J_3RF_DIXML_ITEM_STR-TRANS_AMOUNT sy-vline 
WA_J_3RF_DIXML_ITEM_STR-CORR_ACCT_DEBIT sy-vline 
WA_J_3RF_DIXML_ITEM_STR-CORR_ACCT_CREDIT sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOODS_CHARACTERISTICS sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOODS_SORT sy-vline 
WA_J_3RF_DIXML_ITEM_STR-VENDOR_GOODS_CODE sy-vline 
WA_J_3RF_DIXML_ITEM_STR-CATALOG_CODE sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOODS_TYPE_CODE sy-vline 
WA_J_3RF_DIXML_ITEM_STR-TRACEBILITY_INFO sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOODS_IDENTITY sy-vline 
WA_J_3RF_DIXML_ITEM_STR-GOODS_IDENTITY_NEW sy-vline 
WA_J_3RF_DIXML_ITEM_STR-EXT_MATNR sy-vline 
WA_J_3RF_DIXML_ITEM_STR-EXT_EBELN sy-vline 
WA_J_3RF_DIXML_ITEM_STR-EXT_EBELP sy-vline 
WA_J_3RF_DIXML_ITEM_STR-EXT_BEDAT sy-vline 
WA_J_3RF_DIXML_ITEM_STR-MATNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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