ABAP Select data from SAP table IDCN_S_GRIR_BNG_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IDCN_S_GRIR_BNG_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 IDCN_S_GRIR_BNG_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 IDCN_S_GRIR_BNG_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_IDCN_S_GRIR_BNG_ITEM TYPE STANDARD TABLE OF IDCN_S_GRIR_BNG_ITEM,
      WA_IDCN_S_GRIR_BNG_ITEM TYPE IDCN_S_GRIR_BNG_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: <IDCN_S_GRIR_BNG_ITEM> TYPE IDCN_S_GRIR_BNG_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDCN_S_GRIR_BNG_ITEM
*  INTO TABLE @DATA(IT_IDCN_S_GRIR_BNG_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_IDCN_S_GRIR_BNG_ITEM INDEX 1 INTO DATA(WA_IDCN_S_GRIR_BNG_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDCN_S_GRIR_BNG_ITEM>-BUKRS = 1.
<IDCN_S_GRIR_BNG_ITEM>-LIFNR = 1.
<IDCN_S_GRIR_BNG_ITEM>-NAME1 = 1.
<IDCN_S_GRIR_BNG_ITEM>-EBELN = 1.
<IDCN_S_GRIR_BNG_ITEM>-BEWTK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDCN_S_GRIR_BNG_ITEM-MBLNR, sy-vline,
  WA_IDCN_S_GRIR_BNG_ITEM-BELNR, sy-vline,
  WA_IDCN_S_GRIR_BNG_ITEM-MBLPO, sy-vline,
  WA_IDCN_S_GRIR_BNG_ITEM-EBELP, sy-vline,
  WA_IDCN_S_GRIR_BNG_ITEM-MJAHR, sy-vline,
  WA_IDCN_S_GRIR_BNG_ITEM-BEWTP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDCN_S_GRIR_BNG_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_IDCN_S_GRIR_BNG_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_IDCN_S_GRIR_BNG_ITEM INTO WA_IDCN_S_GRIR_BNG_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 LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_GRIR_BNG_ITEM-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_GRIR_BNG_ITEM-LIFNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_GRIR_BNG_ITEM-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_GRIR_BNG_ITEM-DMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field MWSTS
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_GRIR_BNG_ITEM-MWSTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_GRIR_BNG_ITEM-MWSTS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_GRIR_BNG_ITEM-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_GRIR_BNG_ITEM-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WMWST
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_GRIR_BNG_ITEM-WMWST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_GRIR_BNG_ITEM-WMWST.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field OFFAC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_GRIR_BNG_ITEM-OFFAC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_GRIR_BNG_ITEM-OFFAC.
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_IDCN_S_GRIR_BNG_ITEM_STR, 
BUKRS TYPE STRING,
LIFNR TYPE STRING,
NAME1 TYPE STRING,
EBELN TYPE STRING,
BEWTK TYPE STRING,
MBLNR TYPE STRING,
BELNR TYPE STRING,
MBLPO TYPE STRING,
EBELP TYPE STRING,
MJAHR TYPE STRING,
BEWTP TYPE STRING,
VGABE TYPE STRING,
BUZEI TYPE STRING,
GJAHR TYPE STRING,
BUDAT TYPE STRING,
GSBER TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
DMBTR TYPE STRING,
MWSTS TYPE STRING,
HWAER TYPE STRING,
WRBTR TYPE STRING,
WMWST TYPE STRING,
WAERS TYPE STRING,
MWSKZ TYPE STRING,
MSATZ TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
MATKL TYPE STRING,
KTOPL TYPE STRING,
HKONT TYPE STRING,
ZIELK TYPE STRING,
TXT20 TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
CHARG TYPE STRING,
LGOBE TYPE STRING,
ZTERM TYPE STRING,
UTAGE TYPE STRING,
BKLAS TYPE STRING,
OFFAC TYPE STRING,
OATXT TYPE STRING,
AWTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDCN_S_GRIR_BNG_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_IDCN_S_GRIR_BNG_ITEM_STR-BUKRS sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-LIFNR sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-NAME1 sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-EBELN sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-BEWTK sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MBLNR sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-BELNR sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MBLPO sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-EBELP sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MJAHR sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-BEWTP sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-VGABE sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-BUZEI sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-GJAHR sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-BUDAT sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-GSBER sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MENGE sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MEINS sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-DMBTR sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MWSTS sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-HWAER sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-WRBTR sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-WMWST sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-WAERS sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MWSKZ sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MSATZ sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MATNR sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MAKTX sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-MATKL sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-KTOPL sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-HKONT sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-ZIELK sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-TXT20 sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-WERKS sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-LGORT sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-CHARG sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-LGOBE sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-ZTERM sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-UTAGE sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-BKLAS sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-OFFAC sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-OATXT sy-vline 
WA_IDCN_S_GRIR_BNG_ITEM_STR-AWTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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