ABAP Select data from SAP table CPDOCLOVERVIEW into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CPDOCLOVERVIEW 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 CPDOCLOVERVIEW. 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 CPDOCLOVERVIEW 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_CPDOCLOVERVIEW TYPE STANDARD TABLE OF CPDOCLOVERVIEW,
      WA_CPDOCLOVERVIEW TYPE CPDOCLOVERVIEW,
      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: <CPDOCLOVERVIEW> TYPE CPDOCLOVERVIEW.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPDOCLOVERVIEW
*  INTO TABLE @DATA(IT_CPDOCLOVERVIEW2).
*--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_CPDOCLOVERVIEW INDEX 1 INTO DATA(WA_CPDOCLOVERVIEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPDOCLOVERVIEW>-MANDT = 1.
<CPDOCLOVERVIEW>-KEY_FIELD = 1.
<CPDOCLOVERVIEW>-PURCHASEREQUISITION = 1.
<CPDOCLOVERVIEW>-PURCHASEREQUISITIONITEM = 1.
<CPDOCLOVERVIEW>-PURCHASEORDER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPDOCLOVERVIEW-PURCHASEORDERITEM, sy-vline,
  WA_CPDOCLOVERVIEW-PURCHASEORDERITEMCATEGORY, sy-vline,
  WA_CPDOCLOVERVIEW-INVOICEREFERENCE, sy-vline,
  WA_CPDOCLOVERVIEW-INVOICEREFERENCEFISCALYEAR, sy-vline,
  WA_CPDOCLOVERVIEW-ACCOUNTINGDOCUMENTITEM, sy-vline,
  WA_CPDOCLOVERVIEW-ACCOUNTINGDOCUMENTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPDOCLOVERVIEW 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_CPDOCLOVERVIEW 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_CPDOCLOVERVIEW INTO WA_CPDOCLOVERVIEW.


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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field WBSELEMENTEXTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_CPDOCLOVERVIEW-WBSELEMENTEXTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPDOCLOVERVIEW-WBSELEMENTEXTERNALID.
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_CPDOCLOVERVIEW_STR, 
MANDT TYPE STRING,
KEY_FIELD TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
INVOICEREFERENCE TYPE STRING,
INVOICEREFERENCEFISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
MATERIALDOCUMENT TYPE STRING,
MATERIALDOCUMENTITEM TYPE STRING,
MATERIALDOCUMENTYEAR TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
SUPPLYINGPLANTNAME TYPE STRING,
MATERIAL TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
STATUS TYPE STRING,
GOODSMOVEMENTQUANTITY TYPE STRING,
CURRENCY TYPE STRING,
QUANTITYUNIT TYPE STRING,
PURCHASINGDOCUMENTITEMQUANTITY TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
SUPPLIERADDRESSCITY TYPE STRING,
SUPPLIERADDRESSCOUNTRY TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
SERVICEPERFORMER TYPE STRING,
SERVICEPERFORMERNAME TYPE STRING,
WORKITEM TYPE STRING,
DELIVERYDATE TYPE STRING,
MATERIALNAME TYPE STRING,
MATERIALGROUPNAME TYPE STRING,
STATUSDESCRIPTION TYPE STRING,
CNTF TYPE STRING,
CNTB TYPE STRING,
CNTS TYPE STRING,
CNTG TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
WORKPACKAGEFULLNAME TYPE STRING,
COSTCENTER TYPE STRING,
COSTCENTERNAME TYPE STRING,
CONTROLLINGAREA TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPDOCLOVERVIEW_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_CPDOCLOVERVIEW_STR-MANDT sy-vline 
WA_CPDOCLOVERVIEW_STR-KEY_FIELD sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASEREQUISITION sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASEORDER sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASEORDERITEM sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_CPDOCLOVERVIEW_STR-INVOICEREFERENCE sy-vline 
WA_CPDOCLOVERVIEW_STR-INVOICEREFERENCEFISCALYEAR sy-vline 
WA_CPDOCLOVERVIEW_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_CPDOCLOVERVIEW_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CPDOCLOVERVIEW_STR-MATERIALDOCUMENT sy-vline 
WA_CPDOCLOVERVIEW_STR-MATERIALDOCUMENTITEM sy-vline 
WA_CPDOCLOVERVIEW_STR-MATERIALDOCUMENTYEAR sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASINGGROUP sy-vline 
WA_CPDOCLOVERVIEW_STR-SUPPLYINGPLANT sy-vline 
WA_CPDOCLOVERVIEW_STR-SUPPLYINGPLANTNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-MATERIAL sy-vline 
WA_CPDOCLOVERVIEW_STR-MANUFACTURERMATERIAL sy-vline 
WA_CPDOCLOVERVIEW_STR-MATERIALGROUP sy-vline 
WA_CPDOCLOVERVIEW_STR-PLANT sy-vline 
WA_CPDOCLOVERVIEW_STR-PLANTNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASINGGROUPNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-STATUS sy-vline 
WA_CPDOCLOVERVIEW_STR-GOODSMOVEMENTQUANTITY sy-vline 
WA_CPDOCLOVERVIEW_STR-CURRENCY sy-vline 
WA_CPDOCLOVERVIEW_STR-QUANTITYUNIT sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASINGDOCUMENTITEMQUANTITY sy-vline 
WA_CPDOCLOVERVIEW_STR-SUPPLIER sy-vline 
WA_CPDOCLOVERVIEW_STR-SUPPLIERNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-SUPPLIERADDRESSCITY sy-vline 
WA_CPDOCLOVERVIEW_STR-SUPPLIERADDRESSCOUNTRY sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASINGORGANIZATION sy-vline 
WA_CPDOCLOVERVIEW_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-SERVICEPERFORMER sy-vline 
WA_CPDOCLOVERVIEW_STR-SERVICEPERFORMERNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-WORKITEM sy-vline 
WA_CPDOCLOVERVIEW_STR-DELIVERYDATE sy-vline 
WA_CPDOCLOVERVIEW_STR-MATERIALNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-MATERIALGROUPNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-STATUSDESCRIPTION sy-vline 
WA_CPDOCLOVERVIEW_STR-CNTF sy-vline 
WA_CPDOCLOVERVIEW_STR-CNTB sy-vline 
WA_CPDOCLOVERVIEW_STR-CNTS sy-vline 
WA_CPDOCLOVERVIEW_STR-CNTG sy-vline 
WA_CPDOCLOVERVIEW_STR-WBSELEMENTINTERNALID sy-vline 
WA_CPDOCLOVERVIEW_STR-WBSELEMENTEXTERNALID sy-vline 
WA_CPDOCLOVERVIEW_STR-SALESORDER sy-vline 
WA_CPDOCLOVERVIEW_STR-SALESORDERITEM sy-vline 
WA_CPDOCLOVERVIEW_STR-WORKPACKAGEFULLNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-COSTCENTER sy-vline 
WA_CPDOCLOVERVIEW_STR-COSTCENTERNAME sy-vline 
WA_CPDOCLOVERVIEW_STR-CONTROLLINGAREA sy-vline 
WA_CPDOCLOVERVIEW_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_CPDOCLOVERVIEW_STR-ISENDOFPURPOSEBLOCKED sy-vline      INTO ld_text SEPARATED BY SPACE.

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