ABAP Select data from SAP table BAPIISMRETURNITEM2X into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIISMRETURNITEM2X 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 BAPIISMRETURNITEM2X. 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 BAPIISMRETURNITEM2X 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_BAPIISMRETURNITEM2X TYPE STANDARD TABLE OF BAPIISMRETURNITEM2X,
      WA_BAPIISMRETURNITEM2X TYPE BAPIISMRETURNITEM2X,
      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: <BAPIISMRETURNITEM2X> TYPE BAPIISMRETURNITEM2X.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIISMRETURNITEM2X.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIISMRETURNITEM2X
  INTO TABLE IT_BAPIISMRETURNITEM2X.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIISMRETURNITEM2X
*  INTO TABLE @DATA(IT_BAPIISMRETURNITEM2X2).
*--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_BAPIISMRETURNITEM2X INDEX 1 INTO DATA(WA_BAPIISMRETURNITEM2X2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIISMRETURNITEM2X ASSIGNING <BAPIISMRETURNITEM2X>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIISMRETURNITEM2X>-ITM_NUMBER = 1.
<BAPIISMRETURNITEM2X>-EXTERNALPOSITION = 1.
<BAPIISMRETURNITEM2X>-MEDIAPRODUCT = 1.
<BAPIISMRETURNITEM2X>-MEDIAISSUE = 1.
<BAPIISMRETURNITEM2X>-COPYNUMBER = 1.

ENDLOOP.

LOOP AT IT_BAPIISMRETURNITEM2X INTO WA_BAPIISMRETURNITEM2X.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIISMRETURNITEM2X-PUBLICATIONDATE, sy-vline,
  WA_BAPIISMRETURNITEM2X-QUANTITY1, sy-vline,
  WA_BAPIISMRETURNITEM2X-QUANTITY2, sy-vline,
  WA_BAPIISMRETURNITEM2X-QUANTITY3, sy-vline,
  WA_BAPIISMRETURNITEM2X-QUANTITY4, sy-vline,
  WA_BAPIISMRETURNITEM2X-QUANTITY5, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIISMRETURNITEM2X 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_BAPIISMRETURNITEM2X 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_BAPIISMRETURNITEM2X INTO WA_BAPIISMRETURNITEM2X.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BAPIISMRETURNITEM2X_STR, 
ITM_NUMBER TYPE STRING,
EXTERNALPOSITION TYPE STRING,
MEDIAPRODUCT TYPE STRING,
MEDIAISSUE TYPE STRING,
COPYNUMBER TYPE STRING,
PUBLICATIONDATE TYPE STRING,
QUANTITY1 TYPE STRING,
QUANTITY2 TYPE STRING,
QUANTITY3 TYPE STRING,
QUANTITY4 TYPE STRING,
QUANTITY5 TYPE STRING,
QUANTITY6 TYPE STRING,
QUANTITY7 TYPE STRING,
QUANTITY8 TYPE STRING,
QUANTITY9 TYPE STRING,
QUANTITY10 TYPE STRING,
UNIT TYPE STRING,
UNIT_ISO TYPE STRING,
PLANT TYPE STRING,
ROUTE TYPE STRING,
RELEASEDBLOCKED TYPE STRING,
RETURNDATEITEM TYPE STRING,
RETURNCOMMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIISMRETURNITEM2X_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_BAPIISMRETURNITEM2X_STR-ITM_NUMBER sy-vline 
WA_BAPIISMRETURNITEM2X_STR-EXTERNALPOSITION sy-vline 
WA_BAPIISMRETURNITEM2X_STR-MEDIAPRODUCT sy-vline 
WA_BAPIISMRETURNITEM2X_STR-MEDIAISSUE sy-vline 
WA_BAPIISMRETURNITEM2X_STR-COPYNUMBER sy-vline 
WA_BAPIISMRETURNITEM2X_STR-PUBLICATIONDATE sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY1 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY2 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY3 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY4 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY5 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY6 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY7 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY8 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY9 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-QUANTITY10 sy-vline 
WA_BAPIISMRETURNITEM2X_STR-UNIT sy-vline 
WA_BAPIISMRETURNITEM2X_STR-UNIT_ISO sy-vline 
WA_BAPIISMRETURNITEM2X_STR-PLANT sy-vline 
WA_BAPIISMRETURNITEM2X_STR-ROUTE sy-vline 
WA_BAPIISMRETURNITEM2X_STR-RELEASEDBLOCKED sy-vline 
WA_BAPIISMRETURNITEM2X_STR-RETURNDATEITEM sy-vline 
WA_BAPIISMRETURNITEM2X_STR-RETURNCOMMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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