ABAP Select data from SAP table INOMITEMDET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM INOMITEMDET
*  INTO TABLE @DATA(IT_INOMITEMDET2).
*--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_INOMITEMDET INDEX 1 INTO DATA(WA_INOMITEMDET2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_INOMITEMDET-NOMINATIONSCHEDULETYPE, sy-vline,
  WA_INOMITEMDET-ISBOOKEDTRANSPORTSYSTEM, sy-vline,
  WA_INOMITEMDET-ISREFERENCEDOCUMENT, sy-vline,
  WA_INOMITEMDET-SCHEDULEDMATERIAL, sy-vline,
  WA_INOMITEMDET-NOMINATIONCARRIER, sy-vline,
  WA_INOMITEMDET-NOMINATIONMODEOFTRANSPORT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_INOMITEMDET 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_INOMITEMDET 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_INOMITEMDET INTO WA_INOMITEMDET.


*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_INOMITEMDET-NOMINATIONDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INOMITEMDET-NOMINATIONDOC.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field LOCATIONPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_INOMITEMDET-LOCATIONPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INOMITEMDET-LOCATIONPARTNER.
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_INOMITEMDET_STR, 
MANDT TYPE STRING,
NOMINATIONDOC TYPE STRING,
NOMINATIONDOCITEM TYPE STRING,
NOMINATIONEXTNUMBER TYPE STRING,
LOCATIONID TYPE STRING,
NOMINATIONSCHEDULETYPE TYPE STRING,
ISBOOKEDTRANSPORTSYSTEM TYPE STRING,
ISREFERENCEDOCUMENT TYPE STRING,
SCHEDULEDMATERIAL TYPE STRING,
NOMINATIONCARRIER TYPE STRING,
NOMINATIONMODEOFTRANSPORT TYPE STRING,
VEHICLEID TYPE STRING,
SHIPPINGROUTE TYPE STRING,
TRANSPORTSYSTEM TYPE STRING,
SCHEDULEDBATCHSTARTDATETIME TYPE STRING,
SCHEDULEDQUANTITY TYPE STRING,
SCHEDULEDQUANTITYUNIT TYPE STRING,
ACTUALSCHEDULEDQUANTITY TYPE STRING,
ACTUALSCHEDULEDQUANTITYUNIT TYPE STRING,
VEHICLEISBLOCKED TYPE STRING,
NOMINATIONSHIPPER TYPE STRING,
NOMINATIONINSPECTOR TYPE STRING,
IMPORTEXPORTPARTNER TYPE STRING,
CONSIGNEEPARTNER TYPE STRING,
CONTRACTPARTNER TYPE STRING,
LOCATIONPARTNER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_INOMITEMDET_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_INOMITEMDET_STR-MANDT sy-vline 
WA_INOMITEMDET_STR-NOMINATIONDOC sy-vline 
WA_INOMITEMDET_STR-NOMINATIONDOCITEM sy-vline 
WA_INOMITEMDET_STR-NOMINATIONEXTNUMBER sy-vline 
WA_INOMITEMDET_STR-LOCATIONID sy-vline 
WA_INOMITEMDET_STR-NOMINATIONSCHEDULETYPE sy-vline 
WA_INOMITEMDET_STR-ISBOOKEDTRANSPORTSYSTEM sy-vline 
WA_INOMITEMDET_STR-ISREFERENCEDOCUMENT sy-vline 
WA_INOMITEMDET_STR-SCHEDULEDMATERIAL sy-vline 
WA_INOMITEMDET_STR-NOMINATIONCARRIER sy-vline 
WA_INOMITEMDET_STR-NOMINATIONMODEOFTRANSPORT sy-vline 
WA_INOMITEMDET_STR-VEHICLEID sy-vline 
WA_INOMITEMDET_STR-SHIPPINGROUTE sy-vline 
WA_INOMITEMDET_STR-TRANSPORTSYSTEM sy-vline 
WA_INOMITEMDET_STR-SCHEDULEDBATCHSTARTDATETIME sy-vline 
WA_INOMITEMDET_STR-SCHEDULEDQUANTITY sy-vline 
WA_INOMITEMDET_STR-SCHEDULEDQUANTITYUNIT sy-vline 
WA_INOMITEMDET_STR-ACTUALSCHEDULEDQUANTITY sy-vline 
WA_INOMITEMDET_STR-ACTUALSCHEDULEDQUANTITYUNIT sy-vline 
WA_INOMITEMDET_STR-VEHICLEISBLOCKED sy-vline 
WA_INOMITEMDET_STR-NOMINATIONSHIPPER sy-vline 
WA_INOMITEMDET_STR-NOMINATIONINSPECTOR sy-vline 
WA_INOMITEMDET_STR-IMPORTEXPORTPARTNER sy-vline 
WA_INOMITEMDET_STR-CONSIGNEEPARTNER sy-vline 
WA_INOMITEMDET_STR-CONTRACTPARTNER sy-vline 
WA_INOMITEMDET_STR-LOCATIONPARTNER sy-vline      INTO ld_text SEPARATED BY SPACE.

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