ABAP Select data from SAP table J_1BNFE_S_RFC_COMPONENT_RETURN 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_RFC_COMPONENT_RETURN 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_RFC_COMPONENT_RETURN. 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_RFC_COMPONENT_RETURN 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_RFC_COMPONENT_RETURN TYPE STANDARD TABLE OF J_1BNFE_S_RFC_COMPONENT_RETURN,
      WA_J_1BNFE_S_RFC_COMPONENT_RETURN TYPE J_1BNFE_S_RFC_COMPONENT_RETURN,
      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_RFC_COMPONENT_RETURN> TYPE J_1BNFE_S_RFC_COMPONENT_RETURN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1BNFE_S_RFC_COMPONENT_RETURN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1BNFE_S_RFC_COMPONENT_RETURN
  INTO TABLE IT_J_1BNFE_S_RFC_COMPONENT_RETURN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1BNFE_S_RFC_COMPONENT_RETURN
*  INTO TABLE @DATA(IT_J_1BNFE_S_RFC_COMPONENT_RETURN2).
*--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_RFC_COMPONENT_RETURN INDEX 1 INTO DATA(WA_J_1BNFE_S_RFC_COMPONENT_RETURN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1BNFE_S_RFC_COMPONENT_RETURN ASSIGNING <J_1BNFE_S_RFC_COMPONENT_RETURN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1BNFE_S_RFC_COMPONENT_RETURN>-NITEM = 1.
<J_1BNFE_S_RFC_COMPONENT_RETURN>-MATNR = 1.
<J_1BNFE_S_RFC_COMPONENT_RETURN>-QUAN = 1.
<J_1BNFE_S_RFC_COMPONENT_RETURN>-UOMERP = 1.
<J_1BNFE_S_RFC_COMPONENT_RETURN>-ERPUOMISO = 1.

ENDLOOP.

LOOP AT IT_J_1BNFE_S_RFC_COMPONENT_RETURN INTO WA_J_1BNFE_S_RFC_COMPONENT_RETURN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1BNFE_S_RFC_COMPONENT_RETURN-NETPR, sy-vline,
  WA_J_1BNFE_S_RFC_COMPONENT_RETURN-VFRETE, sy-vline,
  WA_J_1BNFE_S_RFC_COMPONENT_RETURN-VSEG, sy-vline,
  WA_J_1BNFE_S_RFC_COMPONENT_RETURN-VOUTRO, sy-vline,
  WA_J_1BNFE_S_RFC_COMPONENT_RETURN-VDESC, sy-vline,
  WA_J_1BNFE_S_RFC_COMPONENT_RETURN-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1BNFE_S_RFC_COMPONENT_RETURN 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_RFC_COMPONENT_RETURN 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_RFC_COMPONENT_RETURN INTO WA_J_1BNFE_S_RFC_COMPONENT_RETURN.


*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_J_1BNFE_S_RFC_COMPONENT_RETURN-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BNFE_S_RFC_COMPONENT_RETURN-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UOMERP
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_1BNFE_S_RFC_COMPONENT_RETURN-UOMERP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_1BNFE_S_RFC_COMPONENT_RETURN-UOMERP.
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_RFC_COMPONENT_RETURN_STR, 
NITEM TYPE STRING,
MATNR TYPE STRING,
QUAN TYPE STRING,
UOMERP TYPE STRING,
ERPUOMISO TYPE STRING,
NETPR TYPE STRING,
VFRETE TYPE STRING,
VSEG TYPE STRING,
VOUTRO TYPE STRING,
VDESC TYPE STRING,
WAERS TYPE STRING,
STATIT TYPE STRING,
REFACCKEY TYPE STRING,
REFITMNUM TYPE STRING,
ORIG TYPE STRING,
NFCI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1BNFE_S_RFC_COMPONENT_RETURN_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_RFC_COMPONENT_RETURN_STR-NITEM sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-MATNR sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-QUAN sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-UOMERP sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-ERPUOMISO sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-NETPR sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-VFRETE sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-VSEG sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-VOUTRO sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-VDESC sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-WAERS sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-STATIT sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-REFACCKEY sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-REFITMNUM sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-ORIG sy-vline 
WA_J_1BNFE_S_RFC_COMPONENT_RETURN_STR-NFCI sy-vline      INTO ld_text SEPARATED BY SPACE.

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