ABAP Select data from SAP table INOMTKTMAIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM INOMTKTMAIN
*  INTO TABLE @DATA(IT_INOMTKTMAIN2).
*--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_INOMTKTMAIN INDEX 1 INTO DATA(WA_INOMTKTMAIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<INOMTKTMAIN>-MANDT = 1.
<INOMTKTMAIN>-NOMINATIONDOC = 1.
<INOMTKTMAIN>-NOMINATIONDOCITEM = 1.
<INOMTKTMAIN>-NOMINATIONTICKETKEY = 1.
<INOMTKTMAIN>-NOMINATIONTICKETITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_INOMTKTMAIN-NOMINATIONTICKETVERSION, sy-vline,
  WA_INOMTKTMAIN-NOMINATIONTICKETPURPOSE, sy-vline,
  WA_INOMTKTMAIN-NOMINATIONSCHEDULEDATE, sy-vline,
  WA_INOMTKTMAIN-NOMINATIONCREATEDBYUSER, sy-vline,
  WA_INOMTKTMAIN-NOMINATIONCREATIONDATE, sy-vline,
  WA_INOMTKTMAIN-NOMINATIONCHANGEDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_INOMTKTMAIN 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_INOMTKTMAIN 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_INOMTKTMAIN INTO WA_INOMTKTMAIN.


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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field NOMINATIONUNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_INOMTKTMAIN-NOMINATIONUNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INOMTKTMAIN-NOMINATIONUNITOFMEASURE.
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_INOMTKTMAIN_STR, 
MANDT TYPE STRING,
NOMINATIONDOC TYPE STRING,
NOMINATIONDOCITEM TYPE STRING,
NOMINATIONTICKETKEY TYPE STRING,
NOMINATIONTICKETITEM TYPE STRING,
NOMINATIONTICKETVERSION TYPE STRING,
NOMINATIONTICKETPURPOSE TYPE STRING,
NOMINATIONSCHEDULEDATE TYPE STRING,
NOMINATIONCREATEDBYUSER TYPE STRING,
NOMINATIONCREATIONDATE TYPE STRING,
NOMINATIONCHANGEDDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LOCATIONNAME TYPE STRING,
LOCATIONID TYPE STRING,
DEMANDMATERIAL TYPE STRING,
MATERIALDESC TYPE STRING,
SCHEDULEDQUANTITY TYPE STRING,
SCHEDULEDQUANTITYUNIT TYPE STRING,
ACTUALSCHEDULEDQUANTITY TYPE STRING,
ACTUALSCHEDULEDQUANTITYUNIT TYPE STRING,
NOMINATIONSCHEDULETYPE TYPE STRING,
NUMBEROFTICKETS TYPE STRING,
TICKETSTATUSCOLORCODE TYPE STRING,
LATESTTICKETSTATUS TYPE STRING,
TICKETITEMSTATUS TYPE STRING,
TRANSPORTSYSTEM TYPE STRING,
NOMINATIONTYPE TYPE STRING,
NOMINATIONEXTNUMBER TYPE STRING,
TICKETCORRUPTMODE TYPE STRING,
TICKETREVERSEMODE TYPE STRING,
TICKETCORRECTIONMODE TYPE STRING,
TICKETACTIONMODE TYPE STRING,
NOMINATIONREFERENCEDOCTYPE TYPE STRING,
VEHICLEIDENTIFIER TYPE STRING,
NOMINATIONCREATIONTIME TYPE STRING,
INTRANSITPLANT TYPE STRING,
NOMINATIONREFERENCEDOCITEM TYPE STRING,
NOMINATIONREFERENCEDOCUMENT TYPE STRING,
NOMINATIONSHIPPER TYPE STRING,
NOMINATIONCARRIER TYPE STRING,
VALUATIONTYPEDESTINATION TYPE STRING,
VALUATIONTYPEORIGIN TYPE STRING,
LOCATIONPARTNER TYPE STRING,
TRANSPORTATIONPLANNINGPOINT TYPE STRING,
INTRANSITSTORAGELOCATION TYPE STRING,
NOMINATIONPIPELINECYCLEID TYPE STRING,
BATCHORIGINLOCATION TYPE STRING,
BATCHDESTINATIONLOCATION TYPE STRING,
BUSINESSTYPE TYPE STRING,
NOMINATIONISBLOCKED TYPE STRING,
NOMINATIONISMARKEDFORDELETION TYPE STRING,
NOMINATIONITEMSTATUS TYPE STRING,
NOMINATIONITEMSUBSTATUS TYPE STRING,
CONTRACTPARTNER TYPE STRING,
CONSIGNEEPARTNER TYPE STRING,
ISIMPORTEXPORTPARTNER TYPE STRING,
IMPORTEXPORTPARTNER TYPE STRING,
NOMINATIONINSPECTOR TYPE STRING,
ISNOMINATIONWORKLISTENTRY TYPE STRING,
QUICKCONFIRM TYPE STRING,
VEHICLEID TYPE STRING,
SCHEDULEDBATCHENDDATETIME TYPE STRING,
SCHEDULEDBATCHSTARTDATETIME TYPE STRING,
BULKSHIPMENTTYPE TYPE STRING,
NOMINATIONMODEOFTRANSPORT TYPE STRING,
NOMINATIONUNITOFMEASURE TYPE STRING,
NOMINATIONITEMISCOMPLETE TYPE STRING,
NOMINATIONISINCOMPLETE TYPE STRING,
NOMINATIONREFDOCCODE TYPE STRING,
NOMINATIONDOCISBLOCKED TYPE STRING,
NOMINATIONTICKETISBLOCKED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_INOMTKTMAIN_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_INOMTKTMAIN_STR-MANDT sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONDOC sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONDOCITEM sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONTICKETKEY sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONTICKETITEM sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONTICKETVERSION sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONTICKETPURPOSE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONSCHEDULEDATE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONCREATEDBYUSER sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONCREATIONDATE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONCHANGEDDATE sy-vline 
WA_INOMTKTMAIN_STR-LASTCHANGEDBYUSER sy-vline 
WA_INOMTKTMAIN_STR-LOCATIONNAME sy-vline 
WA_INOMTKTMAIN_STR-LOCATIONID sy-vline 
WA_INOMTKTMAIN_STR-DEMANDMATERIAL sy-vline 
WA_INOMTKTMAIN_STR-MATERIALDESC sy-vline 
WA_INOMTKTMAIN_STR-SCHEDULEDQUANTITY sy-vline 
WA_INOMTKTMAIN_STR-SCHEDULEDQUANTITYUNIT sy-vline 
WA_INOMTKTMAIN_STR-ACTUALSCHEDULEDQUANTITY sy-vline 
WA_INOMTKTMAIN_STR-ACTUALSCHEDULEDQUANTITYUNIT sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONSCHEDULETYPE sy-vline 
WA_INOMTKTMAIN_STR-NUMBEROFTICKETS sy-vline 
WA_INOMTKTMAIN_STR-TICKETSTATUSCOLORCODE sy-vline 
WA_INOMTKTMAIN_STR-LATESTTICKETSTATUS sy-vline 
WA_INOMTKTMAIN_STR-TICKETITEMSTATUS sy-vline 
WA_INOMTKTMAIN_STR-TRANSPORTSYSTEM sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONTYPE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONEXTNUMBER sy-vline 
WA_INOMTKTMAIN_STR-TICKETCORRUPTMODE sy-vline 
WA_INOMTKTMAIN_STR-TICKETREVERSEMODE sy-vline 
WA_INOMTKTMAIN_STR-TICKETCORRECTIONMODE sy-vline 
WA_INOMTKTMAIN_STR-TICKETACTIONMODE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONREFERENCEDOCTYPE sy-vline 
WA_INOMTKTMAIN_STR-VEHICLEIDENTIFIER sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONCREATIONTIME sy-vline 
WA_INOMTKTMAIN_STR-INTRANSITPLANT sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONREFERENCEDOCITEM sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONREFERENCEDOCUMENT sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONSHIPPER sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONCARRIER sy-vline 
WA_INOMTKTMAIN_STR-VALUATIONTYPEDESTINATION sy-vline 
WA_INOMTKTMAIN_STR-VALUATIONTYPEORIGIN sy-vline 
WA_INOMTKTMAIN_STR-LOCATIONPARTNER sy-vline 
WA_INOMTKTMAIN_STR-TRANSPORTATIONPLANNINGPOINT sy-vline 
WA_INOMTKTMAIN_STR-INTRANSITSTORAGELOCATION sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONPIPELINECYCLEID sy-vline 
WA_INOMTKTMAIN_STR-BATCHORIGINLOCATION sy-vline 
WA_INOMTKTMAIN_STR-BATCHDESTINATIONLOCATION sy-vline 
WA_INOMTKTMAIN_STR-BUSINESSTYPE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONISBLOCKED sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONISMARKEDFORDELETION sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONITEMSTATUS sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONITEMSUBSTATUS sy-vline 
WA_INOMTKTMAIN_STR-CONTRACTPARTNER sy-vline 
WA_INOMTKTMAIN_STR-CONSIGNEEPARTNER sy-vline 
WA_INOMTKTMAIN_STR-ISIMPORTEXPORTPARTNER sy-vline 
WA_INOMTKTMAIN_STR-IMPORTEXPORTPARTNER sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONINSPECTOR sy-vline 
WA_INOMTKTMAIN_STR-ISNOMINATIONWORKLISTENTRY sy-vline 
WA_INOMTKTMAIN_STR-QUICKCONFIRM sy-vline 
WA_INOMTKTMAIN_STR-VEHICLEID sy-vline 
WA_INOMTKTMAIN_STR-SCHEDULEDBATCHENDDATETIME sy-vline 
WA_INOMTKTMAIN_STR-SCHEDULEDBATCHSTARTDATETIME sy-vline 
WA_INOMTKTMAIN_STR-BULKSHIPMENTTYPE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONMODEOFTRANSPORT sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONUNITOFMEASURE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONITEMISCOMPLETE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONISINCOMPLETE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONREFDOCCODE sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONDOCISBLOCKED sy-vline 
WA_INOMTKTMAIN_STR-NOMINATIONTICKETISBLOCKED sy-vline      INTO ld_text SEPARATED BY SPACE.

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