ABAP Select data from SAP table CPOMAINTREFDOCVH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPOMAINTREFDOCVH
*  INTO TABLE @DATA(IT_CPOMAINTREFDOCVH2).
*--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_CPOMAINTREFDOCVH INDEX 1 INTO DATA(WA_CPOMAINTREFDOCVH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPOMAINTREFDOCVH>-MANDT = 1.
<CPOMAINTREFDOCVH>-PURCHASEORDER = 1.
<CPOMAINTREFDOCVH>-PURCHASEORDERITEM = 1.
<CPOMAINTREFDOCVH>-PURCHASINGINFORECORD = 1.
<CPOMAINTREFDOCVH>-PURCHASINGORGANIZATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPOMAINTREFDOCVH-PURCHASINGINFORECORDCATEGORY, sy-vline,
  WA_CPOMAINTREFDOCVH-PLANT, sy-vline,
  WA_CPOMAINTREFDOCVH-PURCHASINGDOCUMENTCATEGORY, sy-vline,
  WA_CPOMAINTREFDOCVH-PURCHASINGDOCUMENTTYPE, sy-vline,
  WA_CPOMAINTREFDOCVH-STORAGELOCATION, sy-vline,
  WA_CPOMAINTREFDOCVH-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPOMAINTREFDOCVH 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_CPOMAINTREFDOCVH 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_CPOMAINTREFDOCVH INTO WA_CPOMAINTREFDOCVH.


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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPOMAINTREFDOCVH-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPOMAINTREFDOCVH-GLACCOUNT.
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_CPOMAINTREFDOCVH_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGINFORECORDCATEGORY TYPE STRING,
PLANT TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
STORAGELOCATION TYPE STRING,
MATERIAL TYPE STRING,
MATERIALTYPE TYPE STRING,
MATERIALGROUP TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNOCOALESCE TYPE STRING,
ADDRESSCOUNTRY TYPE STRING,
ADDRESSCITYNAME TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
PURCHASEORDERQTY TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
PURCHASEORDERNETPRICEAMOUNT TYPE STRING,
TAXCODE TYPE STRING,
TAXJURISDICTION TYPE STRING,
CURRENCY TYPE STRING,
PURCHASEORDERNETPRICEQUANTITY TYPE STRING,
PURCHASEORDERPRICEUNIT TYPE STRING,
PLANTNAME TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
PURCHASINGDOCUMENTCONDITION TYPE STRING,
PRICINGPROCEDURE TYPE STRING,
GOODSRECEIPTISEXPECTED TYPE STRING,
GOODSRECEIPTISNONVALUATED TYPE STRING,
INVOICEISEXPECTED TYPE STRING,
INVOICEISGOODSRECEIPTBASED TYPE STRING,
OVERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
UNLIMITEDOVERDELIVERYISALLOWED TYPE STRING,
UNDERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
ORDERITEMQTYTOBASEQTYNMRTR TYPE STRING,
ORDERITEMQTYTOBASEQTYDNMNTR TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
ACCTASSIGNMENTCATEGORY TYPE STRING,
ISDELETED TYPE STRING,
SERVICEPERFORMER TYPE STRING,
PRODUCTTYPE TYPE STRING,
REFPURCHASEOUTLINEAGREEMENT TYPE STRING,
REFPURCHOUTLINEAGRMTITEM TYPE STRING,
SUPPLIERMATERIALNUMBER TYPE STRING,
INCOTERMSVERSION TYPE STRING,
HEADERINCOTERMSCLASSIFICATION TYPE STRING,
HEADERINCOTERMSTRANSFERLOC TYPE STRING,
HEADERINCOTERMSLOCATION1 TYPE STRING,
HEADERINCOTERMSLOCATION2 TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
DELIVERYDATE TYPE STRING,
PERFORMANCEPERIODSTARTDATE TYPE STRING,
PERFORMANCEPERIODENDDATE TYPE STRING,
ORDERPRICEUNITTOORDERUNITNMRTR TYPE STRING,
ORDPRICEUNITTOORDERUNITDNMNTR TYPE STRING,
PROFITCENTER TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENTINTERNALIDNOCOALESCE TYPE STRING,
CUSTOMERPROJECTNAME TYPE STRING,
FUNCTIONALAREA TYPE STRING,
GLACCOUNT TYPE STRING,
COSTCENTER TYPE STRING,
CONTROLLINGAREA TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
CREATEDBYUSER TYPE STRING,
SOLDTOPARTY TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPOMAINTREFDOCVH_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_CPOMAINTREFDOCVH_STR-MANDT sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASEORDER sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASEORDERITEM sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGINFORECORD sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGORGANIZATION sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGINFORECORDCATEGORY sy-vline 
WA_CPOMAINTREFDOCVH_STR-PLANT sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_CPOMAINTREFDOCVH_STR-STORAGELOCATION sy-vline 
WA_CPOMAINTREFDOCVH_STR-MATERIAL sy-vline 
WA_CPOMAINTREFDOCVH_STR-MATERIALTYPE sy-vline 
WA_CPOMAINTREFDOCVH_STR-MATERIALGROUP sy-vline 
WA_CPOMAINTREFDOCVH_STR-SUPPLIER sy-vline 
WA_CPOMAINTREFDOCVH_STR-SUPPLIERNOCOALESCE sy-vline 
WA_CPOMAINTREFDOCVH_STR-ADDRESSCOUNTRY sy-vline 
WA_CPOMAINTREFDOCVH_STR-ADDRESSCITYNAME sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASEORDERQTY sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASEORDERNETPRICEAMOUNT sy-vline 
WA_CPOMAINTREFDOCVH_STR-TAXCODE sy-vline 
WA_CPOMAINTREFDOCVH_STR-TAXJURISDICTION sy-vline 
WA_CPOMAINTREFDOCVH_STR-CURRENCY sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASEORDERNETPRICEQUANTITY sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASEORDERPRICEUNIT sy-vline 
WA_CPOMAINTREFDOCVH_STR-PLANTNAME sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGGROUP sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGGROUPNAME sy-vline 
WA_CPOMAINTREFDOCVH_STR-COMPANYCODE sy-vline 
WA_CPOMAINTREFDOCVH_STR-COMPANYCODENAME sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASINGDOCUMENTCONDITION sy-vline 
WA_CPOMAINTREFDOCVH_STR-PRICINGPROCEDURE sy-vline 
WA_CPOMAINTREFDOCVH_STR-GOODSRECEIPTISEXPECTED sy-vline 
WA_CPOMAINTREFDOCVH_STR-GOODSRECEIPTISNONVALUATED sy-vline 
WA_CPOMAINTREFDOCVH_STR-INVOICEISEXPECTED sy-vline 
WA_CPOMAINTREFDOCVH_STR-INVOICEISGOODSRECEIPTBASED sy-vline 
WA_CPOMAINTREFDOCVH_STR-OVERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_CPOMAINTREFDOCVH_STR-UNLIMITEDOVERDELIVERYISALLOWED sy-vline 
WA_CPOMAINTREFDOCVH_STR-UNDERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_CPOMAINTREFDOCVH_STR-ORDERITEMQTYTOBASEQTYNMRTR sy-vline 
WA_CPOMAINTREFDOCVH_STR-ORDERITEMQTYTOBASEQTYDNMNTR sy-vline 
WA_CPOMAINTREFDOCVH_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_CPOMAINTREFDOCVH_STR-ACCTASSIGNMENTCATEGORY sy-vline 
WA_CPOMAINTREFDOCVH_STR-ISDELETED sy-vline 
WA_CPOMAINTREFDOCVH_STR-SERVICEPERFORMER sy-vline 
WA_CPOMAINTREFDOCVH_STR-PRODUCTTYPE sy-vline 
WA_CPOMAINTREFDOCVH_STR-REFPURCHASEOUTLINEAGREEMENT sy-vline 
WA_CPOMAINTREFDOCVH_STR-REFPURCHOUTLINEAGRMTITEM sy-vline 
WA_CPOMAINTREFDOCVH_STR-SUPPLIERMATERIALNUMBER sy-vline 
WA_CPOMAINTREFDOCVH_STR-INCOTERMSVERSION sy-vline 
WA_CPOMAINTREFDOCVH_STR-HEADERINCOTERMSCLASSIFICATION sy-vline 
WA_CPOMAINTREFDOCVH_STR-HEADERINCOTERMSTRANSFERLOC sy-vline 
WA_CPOMAINTREFDOCVH_STR-HEADERINCOTERMSLOCATION1 sy-vline 
WA_CPOMAINTREFDOCVH_STR-HEADERINCOTERMSLOCATION2 sy-vline 
WA_CPOMAINTREFDOCVH_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_CPOMAINTREFDOCVH_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_CPOMAINTREFDOCVH_STR-INCOTERMSLOCATION1 sy-vline 
WA_CPOMAINTREFDOCVH_STR-INCOTERMSLOCATION2 sy-vline 
WA_CPOMAINTREFDOCVH_STR-DELIVERYDATE sy-vline 
WA_CPOMAINTREFDOCVH_STR-PERFORMANCEPERIODSTARTDATE sy-vline 
WA_CPOMAINTREFDOCVH_STR-PERFORMANCEPERIODENDDATE sy-vline 
WA_CPOMAINTREFDOCVH_STR-ORDERPRICEUNITTOORDERUNITNMRTR sy-vline 
WA_CPOMAINTREFDOCVH_STR-ORDPRICEUNITTOORDERUNITDNMNTR sy-vline 
WA_CPOMAINTREFDOCVH_STR-PROFITCENTER sy-vline 
WA_CPOMAINTREFDOCVH_STR-WBSELEMENTINTERNALID sy-vline 
WA_CPOMAINTREFDOCVH_STR-WBSELEMENTINTERNALIDNOCOALESCE sy-vline 
WA_CPOMAINTREFDOCVH_STR-CUSTOMERPROJECTNAME sy-vline 
WA_CPOMAINTREFDOCVH_STR-FUNCTIONALAREA sy-vline 
WA_CPOMAINTREFDOCVH_STR-GLACCOUNT sy-vline 
WA_CPOMAINTREFDOCVH_STR-COSTCENTER sy-vline 
WA_CPOMAINTREFDOCVH_STR-CONTROLLINGAREA sy-vline 
WA_CPOMAINTREFDOCVH_STR-SALESORDER sy-vline 
WA_CPOMAINTREFDOCVH_STR-SALESORDERITEM sy-vline 
WA_CPOMAINTREFDOCVH_STR-CREATEDBYUSER sy-vline 
WA_CPOMAINTREFDOCVH_STR-SOLDTOPARTY sy-vline 
WA_CPOMAINTREFDOCVH_STR-SALESORGANIZATION sy-vline 
WA_CPOMAINTREFDOCVH_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CPOMAINTREFDOCVH_STR-ORGANIZATIONDIVISION sy-vline      INTO ld_text SEPARATED BY SPACE.

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