ABAP Select data from SAP table ITKTTHEADTP_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITKTTHEADTP_D
*  INTO TABLE @DATA(IT_ITKTTHEADTP_D2).
*--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_ITKTTHEADTP_D INDEX 1 INTO DATA(WA_ITKTTHEADTP_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITKTTHEADTP_D>-MANDT = 1.
<ITKTTHEADTP_D>-DRAFTUUID = 1.
<ITKTTHEADTP_D>-NOMINATIONTICKETKEY = 1.
<ITKTTHEADTP_D>-NOMINATIONTICKETVERSION = 1.
<ITKTTHEADTP_D>-NOMINATIONTICKETPURPOSE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITKTTHEADTP_D-TICKETEXTERNALNUMBER, sy-vline,
  WA_ITKTTHEADTP_D-NOMINATIONTICKETTYPE, sy-vline,
  WA_ITKTTHEADTP_D-TRANSPORTSYSTEM, sy-vline,
  WA_ITKTTHEADTP_D-NOMINATIONTICKETSTATUSCODE, sy-vline,
  WA_ITKTTHEADTP_D-NOMINATIONTICKETSTATUS, sy-vline,
  WA_ITKTTHEADTP_D-TICKETSTATUSCOLORCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ITKTTHEADTP_D 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_ITKTTHEADTP_D 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_ITKTTHEADTP_D INTO WA_ITKTTHEADTP_D.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field TRADER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITKTTHEADTP_D-TRADER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITKTTHEADTP_D-TRADER.
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_ITKTTHEADTP_D_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
NOMINATIONTICKETKEY TYPE STRING,
NOMINATIONTICKETVERSION TYPE STRING,
NOMINATIONTICKETPURPOSE TYPE STRING,
TICKETEXTERNALNUMBER TYPE STRING,
NOMINATIONTICKETTYPE TYPE STRING,
TRANSPORTSYSTEM TYPE STRING,
NOMINATIONTICKETSTATUSCODE TYPE STRING,
NOMINATIONTICKETSTATUS TYPE STRING,
TICKETSTATUSCOLORCODE TYPE STRING,
TRANSPORTATIONPLANNINGPOINT TYPE STRING,
NOMINATIONDOC TYPE STRING,
NOMINATIONEXTNUMBER TYPE STRING,
TICKETCREATIONDATE TYPE STRING,
TICKETCREATEDBYUSER TYPE STRING,
TICKETCHANGEDDATE TYPE STRING,
TICKETCHANGEDBYUSER TYPE STRING,
TICKETAPPROVALSTATUS TYPE STRING,
NOMINATIONCARRIER TYPE STRING,
CONSIGNEEPARTNER TYPE STRING,
NOMINATIONINSPECTOR TYPE STRING,
NOMINATIONSHIPPER TYPE STRING,
TICKETSUPPLIER TYPE STRING,
TRADER TYPE STRING,
TICKETACTUALIZEMODE TYPE STRING,
TICKETCORRECTIONMODE TYPE STRING,
TICKETREVERSEMODE TYPE STRING,
TICKETCORRUPTMODE TYPE STRING,
TICKETACTIONMODE TYPE STRING,
NOMINATIONDOCISBLOCKED TYPE STRING,
NOMINATIONTICKETISBLOCKED TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_TKTHDR_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITKTTHEADTP_D_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_ITKTTHEADTP_D_STR-MANDT sy-vline 
WA_ITKTTHEADTP_D_STR-DRAFTUUID sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONTICKETKEY sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONTICKETVERSION sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONTICKETPURPOSE sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETEXTERNALNUMBER sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONTICKETTYPE sy-vline 
WA_ITKTTHEADTP_D_STR-TRANSPORTSYSTEM sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONTICKETSTATUSCODE sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONTICKETSTATUS sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETSTATUSCOLORCODE sy-vline 
WA_ITKTTHEADTP_D_STR-TRANSPORTATIONPLANNINGPOINT sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONDOC sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONEXTNUMBER sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETCREATIONDATE sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETCREATEDBYUSER sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETCHANGEDDATE sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETCHANGEDBYUSER sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETAPPROVALSTATUS sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONCARRIER sy-vline 
WA_ITKTTHEADTP_D_STR-CONSIGNEEPARTNER sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONINSPECTOR sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONSHIPPER sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETSUPPLIER sy-vline 
WA_ITKTTHEADTP_D_STR-TRADER sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETACTUALIZEMODE sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETCORRECTIONMODE sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETREVERSEMODE sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETCORRUPTMODE sy-vline 
WA_ITKTTHEADTP_D_STR-TICKETACTIONMODE sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONDOCISBLOCKED sy-vline 
WA_ITKTTHEADTP_D_STR-NOMINATIONTICKETISBLOCKED sy-vline 
WA_ITKTTHEADTP_D_STR-HASACTIVEENTITY sy-vline 
WA_ITKTTHEADTP_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ITKTTHEADTP_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ITKTTHEADTP_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ITKTTHEADTP_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ITKTTHEADTP_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ITKTTHEADTP_D_STR-DUMMY_TKTHDR_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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