ABAP Select data from SAP table CDOCLINVDTL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CDOCLINVDTL
*  INTO TABLE @DATA(IT_CDOCLINVDTL2).
*--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_CDOCLINVDTL INDEX 1 INTO DATA(WA_CDOCLINVDTL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CDOCLINVDTL>-MANDT = 1.
<CDOCLINVDTL>-PURCHASINGDOCUMENT = 1.
<CDOCLINVDTL>-INVOICEREFERENCEFISCALYEAR = 1.
<CDOCLINVDTL>-PURCHASINGDOCUMENTITEM = 1.
<CDOCLINVDTL>-ACCOUNTINGDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CDOCLINVDTL-ACCOUNTINGORDINALNUMBER, sy-vline,
  WA_CDOCLINVDTL-PURCHASEORDER, sy-vline,
  WA_CDOCLINVDTL-PURCHASEORDERITEM, sy-vline,
  WA_CDOCLINVDTL-MATERIAL, sy-vline,
  WA_CDOCLINVDTL-MANUFACTURERMATERIAL, sy-vline,
  WA_CDOCLINVDTL-QUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CDOCLINVDTL 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_CDOCLINVDTL 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_CDOCLINVDTL INTO WA_CDOCLINVDTL.


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

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

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

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

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

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

*Conversion exit AU132, internal->external for field AMOUNTINTRANACTIONCURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_CDOCLINVDTL-AMOUNTINTRANACTIONCURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDOCLINVDTL-AMOUNTINTRANACTIONCURRENCY.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field INVOICEREFERENCE1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDOCLINVDTL-INVOICEREFERENCE1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDOCLINVDTL-INVOICEREFERENCE1.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDOCLINVDTL-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDOCLINVDTL-COSTCENTER.
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_CDOCLINVDTL_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
INVOICEREFERENCEFISCALYEAR TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
ACCOUNTINGORDINALNUMBER TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
MATERIAL TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
QUANTITY TYPE STRING,
QUANTITYUNIT TYPE STRING,
GOODSMOVEMENTQUANTITY TYPE STRING,
AMOUNTINTRANACTIONCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
PURCHASEORDERITEMQUANTITY TYPE STRING,
NETAMOUNT TYPE STRING,
PURCHASEORDERCURRENCY TYPE STRING,
INVOICINGSTATUS TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
SUPPLYINGPLANTNAME TYPE STRING,
MATERIALGROUP TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
SUPPLIERADDRESSCOUNTRY TYPE STRING,
SUPPLIERADDRESSCITY TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANISATIONNAME TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
SERVICEPERFORMER TYPE STRING,
SERVICEPERFORMERNAME TYPE STRING,
WORKITEM TYPE STRING,
DELIVERYDATE TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
DOCUMENTDATE TYPE STRING,
CREATIONDATE TYPE STRING,
PURCHASEORDERVENDOR TYPE STRING,
ENTEREDBYUSER TYPE STRING,
INVOICERECEIPTHEADERTEXT TYPE STRING,
INVOICEREFERENCE1 TYPE STRING,
MFGORDERSEQUENCEBRANCHOPEARAT TYPE STRING,
INVOICERECEIPTDATE TYPE STRING,
BUSINESSAREA TYPE STRING,
ERP_CONTRACT_ID TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
PAYMENTTERM TYPE STRING,
POSTINGDATE TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
WORKPACKAGEFULLNAME TYPE STRING,
WBSDESCRIPTION TYPE STRING,
COSTCENTER TYPE STRING,
COSTCENTERNAME TYPE STRING,
CONTROLLINGAREA TYPE STRING,
CNTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CDOCLINVDTL_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_CDOCLINVDTL_STR-MANDT sy-vline 
WA_CDOCLINVDTL_STR-PURCHASINGDOCUMENT sy-vline 
WA_CDOCLINVDTL_STR-INVOICEREFERENCEFISCALYEAR sy-vline 
WA_CDOCLINVDTL_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_CDOCLINVDTL_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_CDOCLINVDTL_STR-ACCOUNTINGORDINALNUMBER sy-vline 
WA_CDOCLINVDTL_STR-PURCHASEORDER sy-vline 
WA_CDOCLINVDTL_STR-PURCHASEORDERITEM sy-vline 
WA_CDOCLINVDTL_STR-MATERIAL sy-vline 
WA_CDOCLINVDTL_STR-MANUFACTURERMATERIAL sy-vline 
WA_CDOCLINVDTL_STR-QUANTITY sy-vline 
WA_CDOCLINVDTL_STR-QUANTITYUNIT sy-vline 
WA_CDOCLINVDTL_STR-GOODSMOVEMENTQUANTITY sy-vline 
WA_CDOCLINVDTL_STR-AMOUNTINTRANACTIONCURRENCY sy-vline 
WA_CDOCLINVDTL_STR-COMPANYCODECURRENCY sy-vline 
WA_CDOCLINVDTL_STR-PURCHASEORDERITEMQUANTITY sy-vline 
WA_CDOCLINVDTL_STR-NETAMOUNT sy-vline 
WA_CDOCLINVDTL_STR-PURCHASEORDERCURRENCY sy-vline 
WA_CDOCLINVDTL_STR-INVOICINGSTATUS sy-vline 
WA_CDOCLINVDTL_STR-COMPANYCODE sy-vline 
WA_CDOCLINVDTL_STR-PURCHASINGGROUP sy-vline 
WA_CDOCLINVDTL_STR-SUPPLYINGPLANT sy-vline 
WA_CDOCLINVDTL_STR-SUPPLYINGPLANTNAME sy-vline 
WA_CDOCLINVDTL_STR-MATERIALGROUP sy-vline 
WA_CDOCLINVDTL_STR-SUPPLIER sy-vline 
WA_CDOCLINVDTL_STR-SUPPLIERNAME sy-vline 
WA_CDOCLINVDTL_STR-SUPPLIERADDRESSCOUNTRY sy-vline 
WA_CDOCLINVDTL_STR-SUPPLIERADDRESSCITY sy-vline 
WA_CDOCLINVDTL_STR-PURCHASINGORGANIZATION sy-vline 
WA_CDOCLINVDTL_STR-PURCHASINGORGANISATIONNAME sy-vline 
WA_CDOCLINVDTL_STR-PLANT sy-vline 
WA_CDOCLINVDTL_STR-PLANTNAME sy-vline 
WA_CDOCLINVDTL_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_CDOCLINVDTL_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_CDOCLINVDTL_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_CDOCLINVDTL_STR-PURCHASINGGROUPNAME sy-vline 
WA_CDOCLINVDTL_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_CDOCLINVDTL_STR-SERVICEPERFORMER sy-vline 
WA_CDOCLINVDTL_STR-SERVICEPERFORMERNAME sy-vline 
WA_CDOCLINVDTL_STR-WORKITEM sy-vline 
WA_CDOCLINVDTL_STR-DELIVERYDATE sy-vline 
WA_CDOCLINVDTL_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_CDOCLINVDTL_STR-DOCUMENTDATE sy-vline 
WA_CDOCLINVDTL_STR-CREATIONDATE sy-vline 
WA_CDOCLINVDTL_STR-PURCHASEORDERVENDOR sy-vline 
WA_CDOCLINVDTL_STR-ENTEREDBYUSER sy-vline 
WA_CDOCLINVDTL_STR-INVOICERECEIPTHEADERTEXT sy-vline 
WA_CDOCLINVDTL_STR-INVOICEREFERENCE1 sy-vline 
WA_CDOCLINVDTL_STR-MFGORDERSEQUENCEBRANCHOPEARAT sy-vline 
WA_CDOCLINVDTL_STR-INVOICERECEIPTDATE sy-vline 
WA_CDOCLINVDTL_STR-BUSINESSAREA sy-vline 
WA_CDOCLINVDTL_STR-ERP_CONTRACT_ID sy-vline 
WA_CDOCLINVDTL_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CDOCLINVDTL_STR-PAYMENTTERM sy-vline 
WA_CDOCLINVDTL_STR-POSTINGDATE sy-vline 
WA_CDOCLINVDTL_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_CDOCLINVDTL_STR-WBSELEMENTINTERNALID sy-vline 
WA_CDOCLINVDTL_STR-WBSELEMENTEXTERNALID sy-vline 
WA_CDOCLINVDTL_STR-SALESORDER sy-vline 
WA_CDOCLINVDTL_STR-SALESORDERITEM sy-vline 
WA_CDOCLINVDTL_STR-WORKPACKAGEFULLNAME sy-vline 
WA_CDOCLINVDTL_STR-WBSDESCRIPTION sy-vline 
WA_CDOCLINVDTL_STR-COSTCENTER sy-vline 
WA_CDOCLINVDTL_STR-COSTCENTERNAME sy-vline 
WA_CDOCLINVDTL_STR-CONTROLLINGAREA sy-vline 
WA_CDOCLINVDTL_STR-CNTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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