ABAP Select data from SAP table IKRNOUTVATITM1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IKRNOUTVATITM1 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 IKRNOUTVATITM1. 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 IKRNOUTVATITM1 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_IKRNOUTVATITM1 TYPE STANDARD TABLE OF IKRNOUTVATITM1,
      WA_IKRNOUTVATITM1 TYPE IKRNOUTVATITM1,
      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: <IKRNOUTVATITM1> TYPE IKRNOUTVATITM1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IKRNOUTVATITM1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IKRNOUTVATITM1
  INTO TABLE IT_IKRNOUTVATITM1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IKRNOUTVATITM1
*  INTO TABLE @DATA(IT_IKRNOUTVATITM12).
*--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_IKRNOUTVATITM1 INDEX 1 INTO DATA(WA_IKRNOUTVATITM12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IKRNOUTVATITM1 ASSIGNING <IKRNOUTVATITM1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IKRNOUTVATITM1>-MANDT = 1.
<IKRNOUTVATITM1>-COMPANYCODE = 1.
<IKRNOUTVATITM1>-ACCOUNTINGDOCUMENT = 1.
<IKRNOUTVATITM1>-FISCALYEAR = 1.
<IKRNOUTVATITM1>-TAXITEM = 1.

ENDLOOP.

LOOP AT IT_IKRNOUTVATITM1 INTO WA_IKRNOUTVATITM1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IKRNOUTVATITM1-CUSTOMER, sy-vline,
  WA_IKRNOUTVATITM1-SUPPLIER, sy-vline,
  WA_IKRNOUTVATITM1-BUSINESSPLACE, sy-vline,
  WA_IKRNOUTVATITM1-CUSTOMERNAME, sy-vline,
  WA_IKRNOUTVATITM1-TAXCODE, sy-vline,
  WA_IKRNOUTVATITM1-TAXCODENAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IKRNOUTVATITM1 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_IKRNOUTVATITM1 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_IKRNOUTVATITM1 INTO WA_IKRNOUTVATITM1.


*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_IKRNOUTVATITM1-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IKRNOUTVATITM1-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IKRNOUTVATITM1-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IKRNOUTVATITM1-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IKRNOUTVATITM1-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IKRNOUTVATITM1-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IKRNOUTVATITM1-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IKRNOUTVATITM1-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field KR_INPUTVATFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IKRNOUTVATITM1-KR_INPUTVATFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IKRNOUTVATITM1-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_IKRNOUTVATITM1-KR_INPUTVATACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IKRNOUTVATITM1-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_IKRNOUTVATITM1_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,
LANGUAGE TYPE STRING,
COMPANYCODENAME TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
KR_INPUTVATFISCALYEAR TYPE STRING,
KR_INPUTVATCOMPANYCODE TYPE STRING,
KR_INPUTVATACCOUNTINGDOCUMENT TYPE STRING,
KR_INPUTVATITEM TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF1 TYPE STRING,
INVOICEDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
ACCOUNTINGDOCUMENTTYPENAME TYPE STRING,
STATRYRPTRUNSTATUS TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
CLAIMISSELECTED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IKRNOUTVATITM1_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_IKRNOUTVATITM1_STR-MANDT sy-vline 
WA_IKRNOUTVATITM1_STR-COMPANYCODE sy-vline 
WA_IKRNOUTVATITM1_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_IKRNOUTVATITM1_STR-FISCALYEAR sy-vline 
WA_IKRNOUTVATITM1_STR-TAXITEM sy-vline 
WA_IKRNOUTVATITM1_STR-CUSTOMER sy-vline 
WA_IKRNOUTVATITM1_STR-SUPPLIER sy-vline 
WA_IKRNOUTVATITM1_STR-BUSINESSPLACE sy-vline 
WA_IKRNOUTVATITM1_STR-CUSTOMERNAME sy-vline 
WA_IKRNOUTVATITM1_STR-TAXCODE sy-vline 
WA_IKRNOUTVATITM1_STR-TAXCODENAME sy-vline 
WA_IKRNOUTVATITM1_STR-KR_TAXINVOICETYPETEXT sy-vline 
WA_IKRNOUTVATITM1_STR-TAXRATE sy-vline 
WA_IKRNOUTVATITM1_STR-TAXRATEVALIDITYSTARTDATE sy-vline 
WA_IKRNOUTVATITM1_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_IKRNOUTVATITM1_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_IKRNOUTVATITM1_STR-LANGUAGE sy-vline 
WA_IKRNOUTVATITM1_STR-COMPANYCODENAME sy-vline 
WA_IKRNOUTVATITM1_STR-COMPANYCODECURRENCY sy-vline 
WA_IKRNOUTVATITM1_STR-KR_INPUTVATFISCALYEAR sy-vline 
WA_IKRNOUTVATITM1_STR-KR_INPUTVATCOMPANYCODE sy-vline 
WA_IKRNOUTVATITM1_STR-KR_INPUTVATACCOUNTINGDOCUMENT sy-vline 
WA_IKRNOUTVATITM1_STR-KR_INPUTVATITEM sy-vline 
WA_IKRNOUTVATITM1_STR-JRNLENTRYCNTRYSPECIFICREF1 sy-vline 
WA_IKRNOUTVATITM1_STR-INVOICEDATE sy-vline 
WA_IKRNOUTVATITM1_STR-DOCUMENTDATE sy-vline 
WA_IKRNOUTVATITM1_STR-POSTINGDATE sy-vline 
WA_IKRNOUTVATITM1_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_IKRNOUTVATITM1_STR-ACCOUNTINGDOCUMENTTYPENAME sy-vline 
WA_IKRNOUTVATITM1_STR-STATRYRPTRUNSTATUS sy-vline 
WA_IKRNOUTVATITM1_STR-TAXREPORTINGDATE sy-vline 
WA_IKRNOUTVATITM1_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.