ABAP Select data from SAP table INOMVERSITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM INOMVERSITEM
*  INTO TABLE @DATA(IT_INOMVERSITEM2).
*--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_INOMVERSITEM INDEX 1 INTO DATA(WA_INOMVERSITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<INOMVERSITEM>-MANDT = 1.
<INOMVERSITEM>-NOMINATIONDOC = 1.
<INOMVERSITEM>-NOMINATIONDOCITEM = 1.
<INOMVERSITEM>-LOCATIONID = 1.
<INOMVERSITEM>-SCHEDULEDMATERIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_INOMVERSITEM-NOMINATIONPLANNEDQUANTITY, sy-vline,
  WA_INOMVERSITEM-NOMINATIONPLANNEDUNIT, sy-vline,
  WA_INOMVERSITEM-NOMINATIONSCHEDULEDATE, sy-vline,
  WA_INOMVERSITEM-NOMINATIONCALENDARWEEK, sy-vline,
  WA_INOMVERSITEM-NOMINATIONCALENDARMONTH, sy-vline,
  WA_INOMVERSITEM-NOMINATIONCALENDARYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_INOMVERSITEM 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_INOMVERSITEM 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_INOMVERSITEM INTO WA_INOMVERSITEM.


*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 NOMINATIONDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_INOMVERSITEM-NOMINATIONDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INOMVERSITEM-NOMINATIONDOC.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field NOMINATIONVERSION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_INOMVERSITEM-NOMINATIONVERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INOMVERSITEM-NOMINATIONVERSION.
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_INOMVERSITEM_STR, 
MANDT TYPE STRING,
NOMINATIONDOC TYPE STRING,
NOMINATIONDOCITEM TYPE STRING,
LOCATIONID TYPE STRING,
SCHEDULEDMATERIAL TYPE STRING,
NOMINATIONPLANNEDQUANTITY TYPE STRING,
NOMINATIONPLANNEDUNIT TYPE STRING,
NOMINATIONSCHEDULEDATE TYPE STRING,
NOMINATIONCALENDARWEEK TYPE STRING,
NOMINATIONCALENDARMONTH TYPE STRING,
NOMINATIONCALENDARYEAR TYPE STRING,
SCHEDULEDBATCHSTARTDATETIME TYPE STRING,
SCHEDULEDBATCHENDDATETIME TYPE STRING,
NOMINATIONSCHEDULETYPE TYPE STRING,
ISREFERENCEDOCUMENT TYPE STRING,
CONTRACTPARTNER TYPE STRING,
SCHEDULEDQUANTITYUNIT TYPE STRING,
NOMINATIONVERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_INOMVERSITEM_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_INOMVERSITEM_STR-MANDT sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONDOC sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONDOCITEM sy-vline 
WA_INOMVERSITEM_STR-LOCATIONID sy-vline 
WA_INOMVERSITEM_STR-SCHEDULEDMATERIAL sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONPLANNEDQUANTITY sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONPLANNEDUNIT sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONSCHEDULEDATE sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONCALENDARWEEK sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONCALENDARMONTH sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONCALENDARYEAR sy-vline 
WA_INOMVERSITEM_STR-SCHEDULEDBATCHSTARTDATETIME sy-vline 
WA_INOMVERSITEM_STR-SCHEDULEDBATCHENDDATETIME sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONSCHEDULETYPE sy-vline 
WA_INOMVERSITEM_STR-ISREFERENCEDOCUMENT sy-vline 
WA_INOMVERSITEM_STR-CONTRACTPARTNER sy-vline 
WA_INOMVERSITEM_STR-SCHEDULEDQUANTITYUNIT sy-vline 
WA_INOMVERSITEM_STR-NOMINATIONVERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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