ABAP Select data from SAP table J_1BNFE_S_XMLPO_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_1BNFE_S_XMLPO_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_1BNFE_S_XMLPO_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_1BNFE_S_XMLPO_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_1BNFE_S_XMLPO_ITEM TYPE STANDARD TABLE OF J_1BNFE_S_XMLPO_ITEM,
      WA_J_1BNFE_S_XMLPO_ITEM TYPE J_1BNFE_S_XMLPO_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_1BNFE_S_XMLPO_ITEM> TYPE J_1BNFE_S_XMLPO_ITEM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1BNFE_S_XMLPO_ITEM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1BNFE_S_XMLPO_ITEM
  INTO TABLE IT_J_1BNFE_S_XMLPO_ITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1BNFE_S_XMLPO_ITEM
*  INTO TABLE @DATA(IT_J_1BNFE_S_XMLPO_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_1BNFE_S_XMLPO_ITEM INDEX 1 INTO DATA(WA_J_1BNFE_S_XMLPO_ITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1BNFE_S_XMLPO_ITEM ASSIGNING <J_1BNFE_S_XMLPO_ITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1BNFE_S_XMLPO_ITEM>-EBELN = 1.
<J_1BNFE_S_XMLPO_ITEM>-EBELP = 1.
<J_1BNFE_S_XMLPO_ITEM>-MENGE = 1.
<J_1BNFE_S_XMLPO_ITEM>-MEINS = 1.
<J_1BNFE_S_XMLPO_ITEM>-MEINS_ISO = 1.

ENDLOOP.

LOOP AT IT_J_1BNFE_S_XMLPO_ITEM INTO WA_J_1BNFE_S_XMLPO_ITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1BNFE_S_XMLPO_ITEM-NFNET, sy-vline,
  WA_J_1BNFE_S_XMLPO_ITEM-NFFRE, sy-vline,
  WA_J_1BNFE_S_XMLPO_ITEM-NFINS, sy-vline,
  WA_J_1BNFE_S_XMLPO_ITEM-NFOTH, sy-vline,
  WA_J_1BNFE_S_XMLPO_ITEM-NFDIS, sy-vline,
  WA_J_1BNFE_S_XMLPO_ITEM-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1BNFE_S_XMLPO_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_1BNFE_S_XMLPO_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_1BNFE_S_XMLPO_ITEM INTO WA_J_1BNFE_S_XMLPO_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 EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1BNFE_S_XMLPO_ITEM-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BNFE_S_XMLPO_ITEM-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_1BNFE_S_XMLPO_ITEM-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BNFE_S_XMLPO_ITEM-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BPRME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_1BNFE_S_XMLPO_ITEM-BPRME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BNFE_S_XMLPO_ITEM-BPRME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CFOBR, internal->external for field CFOP
CALL FUNCTION 'CONVERSION_EXIT_CFOBR_OUTPUT'
  EXPORTING
    input =                      WA_J_1BNFE_S_XMLPO_ITEM-CFOP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BNFE_S_XMLPO_ITEM-CFOP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_1BNFE_S_XMLPO_ITEM-MBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BNFE_S_XMLPO_ITEM-MBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_1BNFE_S_XMLPO_ITEM-MJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BNFE_S_XMLPO_ITEM-MJAHR.
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_1BNFE_S_XMLPO_ITEM_STR, 
EBELN TYPE STRING,
EBELP TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
MEINS_ISO TYPE STRING,
NFNET TYPE STRING,
NFFRE TYPE STRING,
NFINS TYPE STRING,
NFOTH TYPE STRING,
NFDIS TYPE STRING,
WAERS TYPE STRING,
PEINH TYPE STRING,
BPRME TYPE STRING,
CFOP TYPE STRING,
MWSKZ TYPE STRING,
MATORG TYPE STRING,
FCI TYPE STRING,
NFICMSDESON TYPE STRING,
KALSM TYPE STRING,
NFNETT TYPE STRING,
NETWR TYPE STRING,
NETDIS TYPE STRING,
VICMSDESON TYPE STRING,
NETFRE TYPE STRING,
NETINS TYPE STRING,
NETOTH TYPE STRING,
NETWRT TYPE STRING,
RBLGP TYPE STRING,
LFPOS TYPE STRING,
ITMNUM TYPE STRING,
BUZEI TYPE STRING,
XMLPOS TYPE STRING,
XMLPOS_GR TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
MBLPO_TAB TYPE STRING,
XCHAR TYPE STRING,
MULTIPOS TYPE STRING,
J_1BUSAGE TYPE STRING,
MATORG_POST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1BNFE_S_XMLPO_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_1BNFE_S_XMLPO_ITEM_STR-EBELN sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-EBELP sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MENGE sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MEINS sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MEINS_ISO sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NFNET sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NFFRE sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NFINS sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NFOTH sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NFDIS sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-WAERS sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-PEINH sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-BPRME sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-CFOP sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MWSKZ sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MATORG sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-FCI sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NFICMSDESON sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-KALSM sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NFNETT sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NETWR sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NETDIS sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-VICMSDESON sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NETFRE sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NETINS sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NETOTH sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-NETWRT sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-RBLGP sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-LFPOS sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-ITMNUM sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-BUZEI sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-XMLPOS sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-XMLPOS_GR sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MBLNR sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MJAHR sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MBLPO_TAB sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-XCHAR sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MULTIPOS sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-J_1BUSAGE sy-vline 
WA_J_1BNFE_S_XMLPO_ITEM_STR-MATORG_POST sy-vline      INTO ld_text SEPARATED BY SPACE.

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