ABAP Select data from SAP table IDLVDOCITMDE03 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IDLVDOCITMDE03 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 IDLVDOCITMDE03. 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 IDLVDOCITMDE03 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_IDLVDOCITMDE03 TYPE STANDARD TABLE OF IDLVDOCITMDE03,
      WA_IDLVDOCITMDE03 TYPE IDLVDOCITMDE03,
      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: <IDLVDOCITMDE03> TYPE IDLVDOCITMDE03.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IDLVDOCITMDE03.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IDLVDOCITMDE03
  INTO TABLE IT_IDLVDOCITMDE03.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDLVDOCITMDE03
*  INTO TABLE @DATA(IT_IDLVDOCITMDE032).
*--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_IDLVDOCITMDE03 INDEX 1 INTO DATA(WA_IDLVDOCITMDE032).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IDLVDOCITMDE03 ASSIGNING <IDLVDOCITMDE03>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDLVDOCITMDE03>-MANDT = 1.
<IDLVDOCITMDE03>-DELIVERYDOCUMENT = 1.
<IDLVDOCITMDE03>-DELIVERYDOCUMENTITEM = 1.
<IDLVDOCITMDE03>-DUEDAYS = 1.
<IDLVDOCITMDE03>-DELIVERYDOCUMENTTYPE = 1.

ENDLOOP.

LOOP AT IT_IDLVDOCITMDE03 INTO WA_IDLVDOCITMDE03.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDLVDOCITMDE03-DELIVERYDOCUMENTITEMCATEGORY, sy-vline,
  WA_IDLVDOCITMDE03-DELIVERYDOCUMENTITEMTEXT, sy-vline,
  WA_IDLVDOCITMDE03-SALESORGANIZATION, sy-vline,
  WA_IDLVDOCITMDE03-DISTRIBUTIONCHANNEL, sy-vline,
  WA_IDLVDOCITMDE03-ORGANIZATIONDIVISION, sy-vline,
  WA_IDLVDOCITMDE03-SALESORDERTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDLVDOCITMDE03 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_IDLVDOCITMDE03 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_IDLVDOCITMDE03 INTO WA_IDLVDOCITMDE03.


*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 DELIVERYDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDLVDOCITMDE03-DELIVERYDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDLVDOCITMDE03-DELIVERYDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field SALESORDERTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_IDLVDOCITMDE03-SALESORDERTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDLVDOCITMDE03-SALESORDERTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IDLVDOCITMDE03-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDLVDOCITMDE03-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDLVDOCITMDE03-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDLVDOCITMDE03-SALESORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DELIVERYQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IDLVDOCITMDE03-DELIVERYQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDLVDOCITMDE03-DELIVERYQUANTITYUNIT.
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_IDLVDOCITMDE03_STR, 
MANDT TYPE STRING,
DELIVERYDOCUMENT TYPE STRING,
DELIVERYDOCUMENTITEM TYPE STRING,
DUEDAYS TYPE STRING,
DELIVERYDOCUMENTTYPE TYPE STRING,
DELIVERYDOCUMENTITEMCATEGORY TYPE STRING,
DELIVERYDOCUMENTITEMTEXT TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
SALESORDERTYPE TYPE STRING,
MATERIAL TYPE STRING,
SALESORDER TYPE STRING,
ACTUALDELIVERYQUANTITY TYPE STRING,
DELIVERYQUANTITYUNIT TYPE STRING,
ITEMGENERALINCOMPLETIONSTATUS TYPE STRING,
ITEMBILLINGINCOMPLETIONSTATUS TYPE STRING,
ITEMDELIVERYINCOMPLETIONSTATUS TYPE STRING,
ITEMPICKINGINCOMPLETIONSTATUS TYPE STRING,
ITEMPACKINGINCOMPLETIONSTATUS TYPE STRING,
ITEMGDSMVTINCOMPLETIONSTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDLVDOCITMDE03_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_IDLVDOCITMDE03_STR-MANDT sy-vline 
WA_IDLVDOCITMDE03_STR-DELIVERYDOCUMENT sy-vline 
WA_IDLVDOCITMDE03_STR-DELIVERYDOCUMENTITEM sy-vline 
WA_IDLVDOCITMDE03_STR-DUEDAYS sy-vline 
WA_IDLVDOCITMDE03_STR-DELIVERYDOCUMENTTYPE sy-vline 
WA_IDLVDOCITMDE03_STR-DELIVERYDOCUMENTITEMCATEGORY sy-vline 
WA_IDLVDOCITMDE03_STR-DELIVERYDOCUMENTITEMTEXT sy-vline 
WA_IDLVDOCITMDE03_STR-SALESORGANIZATION sy-vline 
WA_IDLVDOCITMDE03_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_IDLVDOCITMDE03_STR-ORGANIZATIONDIVISION sy-vline 
WA_IDLVDOCITMDE03_STR-SALESORDERTYPE sy-vline 
WA_IDLVDOCITMDE03_STR-MATERIAL sy-vline 
WA_IDLVDOCITMDE03_STR-SALESORDER sy-vline 
WA_IDLVDOCITMDE03_STR-ACTUALDELIVERYQUANTITY sy-vline 
WA_IDLVDOCITMDE03_STR-DELIVERYQUANTITYUNIT sy-vline 
WA_IDLVDOCITMDE03_STR-ITEMGENERALINCOMPLETIONSTATUS sy-vline 
WA_IDLVDOCITMDE03_STR-ITEMBILLINGINCOMPLETIONSTATUS sy-vline 
WA_IDLVDOCITMDE03_STR-ITEMDELIVERYINCOMPLETIONSTATUS sy-vline 
WA_IDLVDOCITMDE03_STR-ITEMPICKINGINCOMPLETIONSTATUS sy-vline 
WA_IDLVDOCITMDE03_STR-ITEMPACKINGINCOMPLETIONSTATUS sy-vline 
WA_IDLVDOCITMDE03_STR-ITEMGDSMVTINCOMPLETIONSTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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