ABAP Select data from SAP table USERDEF_ITM_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP USERDEF_ITM_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 USERDEF_ITM_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 USERDEF_ITM_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_USERDEF_ITM_D TYPE STANDARD TABLE OF USERDEF_ITM_D,
      WA_USERDEF_ITM_D TYPE USERDEF_ITM_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: <USERDEF_ITM_D> TYPE USERDEF_ITM_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM USERDEF_ITM_D
*  INTO TABLE @DATA(IT_USERDEF_ITM_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_USERDEF_ITM_D INDEX 1 INTO DATA(WA_USERDEF_ITM_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<USERDEF_ITM_D>-MANDT = 1.
<USERDEF_ITM_D>-DRAFTUUID = 1.
<USERDEF_ITM_D>-PARENTDRAFTUUID = 1.
<USERDEF_ITM_D>-EMPLOYEE = 1.
<USERDEF_ITM_D>-PERSONALIZATIONID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_USERDEF_ITM_D-BUSINESSOBJECTTYPE, sy-vline,
  WA_USERDEF_ITM_D-EMPLOYEEFOREDIT, sy-vline,
  WA_USERDEF_ITM_D-BUSINESSOBJECTTYPEFOREDIT, sy-vline,
  WA_USERDEF_ITM_D-PLANT, sy-vline,
  WA_USERDEF_ITM_D-ACCOUNTASSIGNMENTCATEGORY, sy-vline,
  WA_USERDEF_ITM_D-MATERIALGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_USERDEF_ITM_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_USERDEF_ITM_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_USERDEF_ITM_D INTO WA_USERDEF_ITM_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 COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_USERDEF_ITM_D-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_USERDEF_ITM_D-COSTCENTER.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_USERDEF_ITM_D-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_USERDEF_ITM_D-WBSELEMENTINTERNALID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PERSON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_USERDEF_ITM_D-PERSON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_USERDEF_ITM_D-PERSON.
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_USERDEF_ITM_D_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
EMPLOYEE TYPE STRING,
PERSONALIZATIONID TYPE STRING,
BUSINESSOBJECTTYPE TYPE STRING,
EMPLOYEEFOREDIT TYPE STRING,
BUSINESSOBJECTTYPEFOREDIT TYPE STRING,
PLANT TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
MATERIALGROUP TYPE STRING,
DELIVERYDATE TYPE STRING,
CURRENCY TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SOURCEDETERMINATION TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
REQUISITIONERNAME TYPE STRING,
COSTCENTER TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
EXTPURCHASEREQUISITIONTYPE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
COMPANYCODE TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
CHANGEDBY TYPE STRING,
GLACCOUNT TYPE STRING,
ORDERID TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENT TYPE STRING,
PROJECTNETWORK TYPE STRING,
PROJECTNETWORKINTERNALID TYPE STRING,
ASSET TYPE STRING,
ASSETSUBNUMBER TYPE STRING,
COMMSYST TYPE STRING,
SOURCESYSTEM TYPE STRING,
LOGICALSYSTEM TYPE STRING,
SHOPONBEHALFTYPE TYPE STRING,
PROCMTHUBSSPEXPERTAUTHORISACTV TYPE STRING,
PURCHASEORDERPRICETYPE TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
USERID TYPE STRING,
PURREQNHEADERCURRENCYSOURCE TYPE STRING,
ISEXTPURGSCENARIO TYPE STRING,
PLANTNAME TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
SUPPLYINGPLANTNAME TYPE STRING,
STORAGELOCATIONNAME TYPE STRING,
PROJECTNETWORKDESCRIPTION TYPE STRING,
COMPANYCODENAME TYPE STRING,
PERSON TYPE STRING,
FULLNAME TYPE STRING,
PERSONWORKAGRMTAUTHZNGRPG TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_USER_PERS_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_USERDEF_ITM_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_USERDEF_ITM_D_STR-MANDT sy-vline 
WA_USERDEF_ITM_D_STR-DRAFTUUID sy-vline 
WA_USERDEF_ITM_D_STR-PARENTDRAFTUUID sy-vline 
WA_USERDEF_ITM_D_STR-EMPLOYEE sy-vline 
WA_USERDEF_ITM_D_STR-PERSONALIZATIONID sy-vline 
WA_USERDEF_ITM_D_STR-BUSINESSOBJECTTYPE sy-vline 
WA_USERDEF_ITM_D_STR-EMPLOYEEFOREDIT sy-vline 
WA_USERDEF_ITM_D_STR-BUSINESSOBJECTTYPEFOREDIT sy-vline 
WA_USERDEF_ITM_D_STR-PLANT sy-vline 
WA_USERDEF_ITM_D_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_USERDEF_ITM_D_STR-MATERIALGROUP sy-vline 
WA_USERDEF_ITM_D_STR-DELIVERYDATE sy-vline 
WA_USERDEF_ITM_D_STR-CURRENCY sy-vline 
WA_USERDEF_ITM_D_STR-PURCHASINGGROUP sy-vline 
WA_USERDEF_ITM_D_STR-SOURCEDETERMINATION sy-vline 
WA_USERDEF_ITM_D_STR-SUPPLYINGPLANT sy-vline 
WA_USERDEF_ITM_D_STR-STORAGELOCATION sy-vline 
WA_USERDEF_ITM_D_STR-REQUISITIONERNAME sy-vline 
WA_USERDEF_ITM_D_STR-COSTCENTER sy-vline 
WA_USERDEF_ITM_D_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_USERDEF_ITM_D_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_USERDEF_ITM_D_STR-EXTPURCHASEREQUISITIONTYPE sy-vline 
WA_USERDEF_ITM_D_STR-PURCHASINGORGANIZATION sy-vline 
WA_USERDEF_ITM_D_STR-COMPANYCODE sy-vline 
WA_USERDEF_ITM_D_STR-LASTCHANGEDATETIME sy-vline 
WA_USERDEF_ITM_D_STR-CHANGEDBY sy-vline 
WA_USERDEF_ITM_D_STR-GLACCOUNT sy-vline 
WA_USERDEF_ITM_D_STR-ORDERID sy-vline 
WA_USERDEF_ITM_D_STR-WBSELEMENTINTERNALID sy-vline 
WA_USERDEF_ITM_D_STR-WBSELEMENT sy-vline 
WA_USERDEF_ITM_D_STR-PROJECTNETWORK sy-vline 
WA_USERDEF_ITM_D_STR-PROJECTNETWORKINTERNALID sy-vline 
WA_USERDEF_ITM_D_STR-ASSET sy-vline 
WA_USERDEF_ITM_D_STR-ASSETSUBNUMBER sy-vline 
WA_USERDEF_ITM_D_STR-COMMSYST sy-vline 
WA_USERDEF_ITM_D_STR-SOURCESYSTEM sy-vline 
WA_USERDEF_ITM_D_STR-LOGICALSYSTEM sy-vline 
WA_USERDEF_ITM_D_STR-SHOPONBEHALFTYPE sy-vline 
WA_USERDEF_ITM_D_STR-PROCMTHUBSSPEXPERTAUTHORISACTV sy-vline 
WA_USERDEF_ITM_D_STR-PURCHASEORDERPRICETYPE sy-vline 
WA_USERDEF_ITM_D_STR-ISBUSINESSPURPOSECOMPLETED sy-vline 
WA_USERDEF_ITM_D_STR-AUTHORIZATIONGROUP sy-vline 
WA_USERDEF_ITM_D_STR-USERID sy-vline 
WA_USERDEF_ITM_D_STR-PURREQNHEADERCURRENCYSOURCE sy-vline 
WA_USERDEF_ITM_D_STR-ISEXTPURGSCENARIO sy-vline 
WA_USERDEF_ITM_D_STR-PLANTNAME sy-vline 
WA_USERDEF_ITM_D_STR-PURCHASINGGROUPNAME sy-vline 
WA_USERDEF_ITM_D_STR-SUPPLYINGPLANTNAME sy-vline 
WA_USERDEF_ITM_D_STR-STORAGELOCATIONNAME sy-vline 
WA_USERDEF_ITM_D_STR-PROJECTNETWORKDESCRIPTION sy-vline 
WA_USERDEF_ITM_D_STR-COMPANYCODENAME sy-vline 
WA_USERDEF_ITM_D_STR-PERSON sy-vline 
WA_USERDEF_ITM_D_STR-FULLNAME sy-vline 
WA_USERDEF_ITM_D_STR-PERSONWORKAGRMTAUTHZNGRPG sy-vline 
WA_USERDEF_ITM_D_STR-HASACTIVEENTITY sy-vline 
WA_USERDEF_ITM_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_USERDEF_ITM_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_USERDEF_ITM_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_USERDEF_ITM_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_USERDEF_ITM_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_USERDEF_ITM_D_STR-DUMMY_USER_PERS_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.