ABAP Select data from SAP table CKRNOUTVATITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CKRNOUTVATITM
*  INTO TABLE @DATA(IT_CKRNOUTVATITM2).
*--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_CKRNOUTVATITM INDEX 1 INTO DATA(WA_CKRNOUTVATITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CKRNOUTVATITM>-MANDT = 1.
<CKRNOUTVATITM>-COMPANYCODE = 1.
<CKRNOUTVATITM>-ACCOUNTINGDOCUMENT = 1.
<CKRNOUTVATITM>-FISCALYEAR = 1.
<CKRNOUTVATITM>-TAXITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CKRNOUTVATITM-CUSTOMER, sy-vline,
  WA_CKRNOUTVATITM-SUPPLIER, sy-vline,
  WA_CKRNOUTVATITM-BUSINESSPLACE, sy-vline,
  WA_CKRNOUTVATITM-CUSTOMERNAME, sy-vline,
  WA_CKRNOUTVATITM-TAXCODE, sy-vline,
  WA_CKRNOUTVATITM-TAXCODENAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CKRNOUTVATITM 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_CKRNOUTVATITM 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_CKRNOUTVATITM INTO WA_CKRNOUTVATITM.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field KR_INPUTVATACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CKRNOUTVATITM-KR_INPUTVATACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CKRNOUTVATITM-KR_INPUTVATACCOUNTINGDOCUMENT.
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_CKRNOUTVATITM_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TAXITEM TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
BUSINESSPLACE TYPE STRING,
CUSTOMERNAME TYPE STRING,
TAXCODE TYPE STRING,
TAXCODENAME TYPE STRING,
KR_TAXINVOICETYPETEXT TYPE STRING,
TAXRATE TYPE STRING,
TAXRATEVALIDITYSTARTDATE TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
COMPANYCODENAME TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF1 TYPE STRING,
INVOICEDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
KR_INPUTVATFISCALYEAR TYPE STRING,
KR_INPUTVATCOMPANYCODE TYPE STRING,
KR_INPUTVATACCOUNTINGDOCUMENT TYPE STRING,
KR_INPUTVATITEM TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
ACCOUNTINGDOCUMENTTYPENAME TYPE STRING,
STATRYRPTRUNSTATUS TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
CLAIMISSELECTED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CKRNOUTVATITM_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_CKRNOUTVATITM_STR-MANDT sy-vline 
WA_CKRNOUTVATITM_STR-COMPANYCODE sy-vline 
WA_CKRNOUTVATITM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CKRNOUTVATITM_STR-FISCALYEAR sy-vline 
WA_CKRNOUTVATITM_STR-TAXITEM sy-vline 
WA_CKRNOUTVATITM_STR-CUSTOMER sy-vline 
WA_CKRNOUTVATITM_STR-SUPPLIER sy-vline 
WA_CKRNOUTVATITM_STR-BUSINESSPLACE sy-vline 
WA_CKRNOUTVATITM_STR-CUSTOMERNAME sy-vline 
WA_CKRNOUTVATITM_STR-TAXCODE sy-vline 
WA_CKRNOUTVATITM_STR-TAXCODENAME sy-vline 
WA_CKRNOUTVATITM_STR-KR_TAXINVOICETYPETEXT sy-vline 
WA_CKRNOUTVATITM_STR-TAXRATE sy-vline 
WA_CKRNOUTVATITM_STR-TAXRATEVALIDITYSTARTDATE sy-vline 
WA_CKRNOUTVATITM_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_CKRNOUTVATITM_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_CKRNOUTVATITM_STR-COMPANYCODENAME sy-vline 
WA_CKRNOUTVATITM_STR-COMPANYCODECURRENCY sy-vline 
WA_CKRNOUTVATITM_STR-JRNLENTRYCNTRYSPECIFICREF1 sy-vline 
WA_CKRNOUTVATITM_STR-INVOICEDATE sy-vline 
WA_CKRNOUTVATITM_STR-DOCUMENTDATE sy-vline 
WA_CKRNOUTVATITM_STR-POSTINGDATE sy-vline 
WA_CKRNOUTVATITM_STR-KR_INPUTVATFISCALYEAR sy-vline 
WA_CKRNOUTVATITM_STR-KR_INPUTVATCOMPANYCODE sy-vline 
WA_CKRNOUTVATITM_STR-KR_INPUTVATACCOUNTINGDOCUMENT sy-vline 
WA_CKRNOUTVATITM_STR-KR_INPUTVATITEM sy-vline 
WA_CKRNOUTVATITM_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CKRNOUTVATITM_STR-ACCOUNTINGDOCUMENTTYPENAME sy-vline 
WA_CKRNOUTVATITM_STR-STATRYRPTRUNSTATUS sy-vline 
WA_CKRNOUTVATITM_STR-TAXREPORTINGDATE sy-vline 
WA_CKRNOUTVATITM_STR-CLAIMISSELECTED sy-vline      INTO ld_text SEPARATED BY SPACE.

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