ABAP Select data from SAP table PDMVCNODEDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PDMVCNODEDATA
*  INTO TABLE @DATA(IT_PDMVCNODEDATA2).
*--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_PDMVCNODEDATA INDEX 1 INTO DATA(WA_PDMVCNODEDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PDMVCNODEDATA>-MANDT = 1.
<PDMVCNODEDATA>-COSTESTIMATE = 1.
<PDMVCNODEDATA>-PROCESSCATEGORY = 1.
<PDMVCNODEDATA>-MATERIAL = 1.
<PDMVCNODEDATA>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PDMVCNODEDATA-INVENTORYVALUATIONTYPE, sy-vline,
  WA_PDMVCNODEDATA-COMPANYCODE, sy-vline,
  WA_PDMVCNODEDATA-MATERIALNAME, sy-vline,
  WA_PDMVCNODEDATA-MATERIALPROCUREMENTTYPE, sy-vline,
  WA_PDMVCNODEDATA-MATERIALTYPE, sy-vline,
  WA_PDMVCNODEDATA-MATERIALTYPENAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PDMVCNODEDATA 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_PDMVCNODEDATA 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_PDMVCNODEDATA INTO WA_PDMVCNODEDATA.


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

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

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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_PDMVCNODEDATA-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDMVCNODEDATA-WBSELEMENT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PDMVCNODEDATA-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDMVCNODEDATA-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PDMVCNODEDATA-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDMVCNODEDATA-ACCOUNTINGDOCUMENT.
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_PDMVCNODEDATA_STR, 
MANDT TYPE STRING,
COSTESTIMATE TYPE STRING,
PROCESSCATEGORY TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
INVENTORYVALUATIONTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
MATERIALNAME TYPE STRING,
MATERIALPROCUREMENTTYPE TYPE STRING,
MATERIALTYPE TYPE STRING,
MATERIALTYPENAME TYPE STRING,
MATERIALVALUATIONCLASS TYPE STRING,
OBJECTINTERNALID TYPE STRING,
VALUATIONQUANTITY TYPE STRING,
VALUATIONQUANTITYUNIT TYPE STRING,
INVENTORYAMTINCCCRCY TYPE STRING,
CURRENCY TYPE STRING,
LEDGERVALUATIONCURRENCYROLE TYPE STRING,
PROFITCENTER TYPE STRING,
PROFITCENTERMD TYPE STRING,
VALUATIONAREA TYPE STRING,
REFERENCEDOCUMENT TYPE STRING,
MATERIALCONSUMPTIONQTY TYPE STRING,
MATERIALCONSUMPTIONVALUE TYPE STRING,
LEDGER TYPE STRING,
SALESDOCUMENT TYPE STRING,
SALESDOCUMENTITEM TYPE STRING,
WBSELEMENT TYPE STRING,
SUPPLIER TYPE STRING,
SOURCELEDGER TYPE STRING,
SOURCECOMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
TIMESTAMP TYPE STRING,
COSTCENTERNAME TYPE STRING,
COSTCTRACTIVITYTYPENAME TYPE STRING,
BUSINESSPROCESSNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PDMVCNODEDATA_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_PDMVCNODEDATA_STR-MANDT sy-vline 
WA_PDMVCNODEDATA_STR-COSTESTIMATE sy-vline 
WA_PDMVCNODEDATA_STR-PROCESSCATEGORY sy-vline 
WA_PDMVCNODEDATA_STR-MATERIAL sy-vline 
WA_PDMVCNODEDATA_STR-PLANT sy-vline 
WA_PDMVCNODEDATA_STR-INVENTORYVALUATIONTYPE sy-vline 
WA_PDMVCNODEDATA_STR-COMPANYCODE sy-vline 
WA_PDMVCNODEDATA_STR-MATERIALNAME sy-vline 
WA_PDMVCNODEDATA_STR-MATERIALPROCUREMENTTYPE sy-vline 
WA_PDMVCNODEDATA_STR-MATERIALTYPE sy-vline 
WA_PDMVCNODEDATA_STR-MATERIALTYPENAME sy-vline 
WA_PDMVCNODEDATA_STR-MATERIALVALUATIONCLASS sy-vline 
WA_PDMVCNODEDATA_STR-OBJECTINTERNALID sy-vline 
WA_PDMVCNODEDATA_STR-VALUATIONQUANTITY sy-vline 
WA_PDMVCNODEDATA_STR-VALUATIONQUANTITYUNIT sy-vline 
WA_PDMVCNODEDATA_STR-INVENTORYAMTINCCCRCY sy-vline 
WA_PDMVCNODEDATA_STR-CURRENCY sy-vline 
WA_PDMVCNODEDATA_STR-LEDGERVALUATIONCURRENCYROLE sy-vline 
WA_PDMVCNODEDATA_STR-PROFITCENTER sy-vline 
WA_PDMVCNODEDATA_STR-PROFITCENTERMD sy-vline 
WA_PDMVCNODEDATA_STR-VALUATIONAREA sy-vline 
WA_PDMVCNODEDATA_STR-REFERENCEDOCUMENT sy-vline 
WA_PDMVCNODEDATA_STR-MATERIALCONSUMPTIONQTY sy-vline 
WA_PDMVCNODEDATA_STR-MATERIALCONSUMPTIONVALUE sy-vline 
WA_PDMVCNODEDATA_STR-LEDGER sy-vline 
WA_PDMVCNODEDATA_STR-SALESDOCUMENT sy-vline 
WA_PDMVCNODEDATA_STR-SALESDOCUMENTITEM sy-vline 
WA_PDMVCNODEDATA_STR-WBSELEMENT sy-vline 
WA_PDMVCNODEDATA_STR-SUPPLIER sy-vline 
WA_PDMVCNODEDATA_STR-SOURCELEDGER sy-vline 
WA_PDMVCNODEDATA_STR-SOURCECOMPANYCODE sy-vline 
WA_PDMVCNODEDATA_STR-FISCALYEAR sy-vline 
WA_PDMVCNODEDATA_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PDMVCNODEDATA_STR-LEDGERGLLINEITEM sy-vline 
WA_PDMVCNODEDATA_STR-TIMESTAMP sy-vline 
WA_PDMVCNODEDATA_STR-COSTCENTERNAME sy-vline 
WA_PDMVCNODEDATA_STR-COSTCTRACTIVITYTYPENAME sy-vline 
WA_PDMVCNODEDATA_STR-BUSINESSPROCESSNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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