ABAP Select data from SAP table INOMMULTITKTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM INOMMULTITKTS
*  INTO TABLE @DATA(IT_INOMMULTITKTS2).
*--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_INOMMULTITKTS INDEX 1 INTO DATA(WA_INOMMULTITKTS2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_INOMMULTITKTS-NOMINATIONTICKETVERSION, sy-vline,
  WA_INOMMULTITKTS-NOMINATIONTICKETPURPOSE, sy-vline,
  WA_INOMMULTITKTS-NOMINATIONTICKETSTATUS, sy-vline,
  WA_INOMMULTITKTS-NOMINATIONTICKETACTUALQUANTITY, sy-vline,
  WA_INOMMULTITKTS-NOMINATIONTICKETACTUALQTYUOM, sy-vline,
  WA_INOMMULTITKTS-NOMINATIONISCLOSED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_INOMMULTITKTS 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_INOMMULTITKTS 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_INOMMULTITKTS INTO WA_INOMMULTITKTS.


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

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

*Conversion exit CUNIT, internal->external for field NOMINATIONTICKETACTUALQTYUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_INOMMULTITKTS-NOMINATIONTICKETACTUALQTYUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INOMMULTITKTS-NOMINATIONTICKETACTUALQTYUOM.
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_INOMMULTITKTS_STR, 
MANDT TYPE STRING,
NOMINATIONDOC TYPE STRING,
NOMINATIONDOCITEM TYPE STRING,
NOMINATIONTICKETKEY TYPE STRING,
NOMINATIONTICKETITEM TYPE STRING,
NOMINATIONTICKETVERSION TYPE STRING,
NOMINATIONTICKETPURPOSE TYPE STRING,
NOMINATIONTICKETSTATUS TYPE STRING,
NOMINATIONTICKETACTUALQUANTITY TYPE STRING,
NOMINATIONTICKETACTUALQTYUOM TYPE STRING,
NOMINATIONISCLOSED TYPE STRING,
NOMINATIONTICKETLOADSTARTDATE TYPE STRING,
NOMINATIONTICKETLOADSTARTTIME TYPE STRING,
NOMINATIONTICKETLOADENDDATE TYPE STRING,
NOMINATIONTICKETLOADENDTIME TYPE STRING,
NOMINATIONTICKETLOADSTRTDTETME TYPE STRING,
NOMINATIONTICKETLOADENDDTETME TYPE STRING,
NOMINATIONTICKETACTLQTYUOMDESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_INOMMULTITKTS_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_INOMMULTITKTS_STR-MANDT sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONDOC sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONDOCITEM sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETKEY sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETITEM sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETVERSION sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETPURPOSE sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETSTATUS sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETACTUALQUANTITY sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETACTUALQTYUOM sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONISCLOSED sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETLOADSTARTDATE sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETLOADSTARTTIME sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETLOADENDDATE sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETLOADENDTIME sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETLOADSTRTDTETME sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETLOADENDDTETME sy-vline 
WA_INOMMULTITKTS_STR-NOMINATIONTICKETACTLQTYUOMDESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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