ABAP Select data from SAP table ISRARTAXLINEITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISRARTAXLINEITEM
*  INTO TABLE @DATA(IT_ISRARTAXLINEITEM2).
*--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_ISRARTAXLINEITEM INDEX 1 INTO DATA(WA_ISRARTAXLINEITEM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISRARTAXLINEITEM-TAXCODE, sy-vline,
  WA_ISRARTAXLINEITEM-TAXITEM, sy-vline,
  WA_ISRARTAXLINEITEM-BILLINGDOCUMENTITEM, sy-vline,
  WA_ISRARTAXLINEITEM-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_ISRARTAXLINEITEM-DOCUMENTDATE, sy-vline,
  WA_ISRARTAXLINEITEM-POSTINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISRARTAXLINEITEM 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_ISRARTAXLINEITEM 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_ISRARTAXLINEITEM INTO WA_ISRARTAXLINEITEM.


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

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

*Conversion exit AC112, internal->external for field TAXRATE
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_ISRARTAXLINEITEM-TAXRATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRARTAXLINEITEM-TAXRATE.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit EXCRT, internal->external for field EXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_ISRARTAXLINEITEM-EXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRARTAXLINEITEM-EXCHANGERATE.
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_ISRARTAXLINEITEM_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
TAXCODE TYPE STRING,
TAXITEM TYPE STRING,
BILLINGDOCUMENTITEM TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
DEBITCREDITCODE TYPE STRING,
MUNICIPALJURISDICTION TYPE STRING,
ADDRESSREGION TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
NFTOTALAMOUNT TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
TAXRATE TYPE STRING,
STRPTAXCLASSIFICATION TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
COUNTRY TYPE STRING,
REVERSALREASON TYPE STRING,
AR_BRANCH TYPE STRING,
AR_PRINTCHARACTER TYPE STRING,
AR_OFFICIALDOCUMENTNUMBER TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
BUSINESSPARTNERCOUNTRY TYPE STRING,
REGIONFREETEXT TYPE STRING,
TAXNUMBERTYPE TYPE STRING,
TAXNUMBER1 TYPE STRING,
ORGANIZATIONBPNAME1 TYPE STRING,
NMBROFVATRATES TYPE STRING,
ZEROVATRSN TYPE STRING,
BILLINGQUANTITY TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
AR_OFFICIALDOCUMENTCLASS TYPE STRING,
BILLINGQUANTITYUNIT TYPE STRING,
NMBROFPAGES TYPE STRING,
RESPONSIBLETYPE TYPE STRING,
SALESDOCUMENTCONDITION TYPE STRING,
BILLINGDOCUMENTISCANCELLED TYPE STRING,
REVERSEDOCUMENT TYPE STRING,
SUPPLIERINVOICESTATUS TYPE STRING,
DOCUMENTHEADERTEXT TYPE STRING,
EXCHANGERATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISRARTAXLINEITEM_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_ISRARTAXLINEITEM_STR-MANDT sy-vline 
WA_ISRARTAXLINEITEM_STR-COMPANYCODE sy-vline 
WA_ISRARTAXLINEITEM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_ISRARTAXLINEITEM_STR-FISCALYEAR sy-vline 
WA_ISRARTAXLINEITEM_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_ISRARTAXLINEITEM_STR-TAXCODE sy-vline 
WA_ISRARTAXLINEITEM_STR-TAXITEM sy-vline 
WA_ISRARTAXLINEITEM_STR-BILLINGDOCUMENTITEM sy-vline 
WA_ISRARTAXLINEITEM_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_ISRARTAXLINEITEM_STR-DOCUMENTDATE sy-vline 
WA_ISRARTAXLINEITEM_STR-POSTINGDATE sy-vline 
WA_ISRARTAXLINEITEM_STR-REPORTINGDATE sy-vline 
WA_ISRARTAXLINEITEM_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_ISRARTAXLINEITEM_STR-DEBITCREDITCODE sy-vline 
WA_ISRARTAXLINEITEM_STR-MUNICIPALJURISDICTION sy-vline 
WA_ISRARTAXLINEITEM_STR-ADDRESSREGION sy-vline 
WA_ISRARTAXLINEITEM_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_ISRARTAXLINEITEM_STR-NFTOTALAMOUNT sy-vline 
WA_ISRARTAXLINEITEM_STR-DOCUMENTREFERENCEID sy-vline 
WA_ISRARTAXLINEITEM_STR-TAXRATE sy-vline 
WA_ISRARTAXLINEITEM_STR-STRPTAXCLASSIFICATION sy-vline 
WA_ISRARTAXLINEITEM_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_ISRARTAXLINEITEM_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_ISRARTAXLINEITEM_STR-COMPANYCODECURRENCY sy-vline 
WA_ISRARTAXLINEITEM_STR-DOCUMENTCURRENCY sy-vline 
WA_ISRARTAXLINEITEM_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_ISRARTAXLINEITEM_STR-COUNTRY sy-vline 
WA_ISRARTAXLINEITEM_STR-REVERSALREASON sy-vline 
WA_ISRARTAXLINEITEM_STR-AR_BRANCH sy-vline 
WA_ISRARTAXLINEITEM_STR-AR_PRINTCHARACTER sy-vline 
WA_ISRARTAXLINEITEM_STR-AR_OFFICIALDOCUMENTNUMBER sy-vline 
WA_ISRARTAXLINEITEM_STR-CUSTOMER sy-vline 
WA_ISRARTAXLINEITEM_STR-SUPPLIER sy-vline 
WA_ISRARTAXLINEITEM_STR-BUSINESSPARTNERCOUNTRY sy-vline 
WA_ISRARTAXLINEITEM_STR-REGIONFREETEXT sy-vline 
WA_ISRARTAXLINEITEM_STR-TAXNUMBERTYPE sy-vline 
WA_ISRARTAXLINEITEM_STR-TAXNUMBER1 sy-vline 
WA_ISRARTAXLINEITEM_STR-ORGANIZATIONBPNAME1 sy-vline 
WA_ISRARTAXLINEITEM_STR-NMBROFVATRATES sy-vline 
WA_ISRARTAXLINEITEM_STR-ZEROVATRSN sy-vline 
WA_ISRARTAXLINEITEM_STR-BILLINGQUANTITY sy-vline 
WA_ISRARTAXLINEITEM_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_ISRARTAXLINEITEM_STR-AR_OFFICIALDOCUMENTCLASS sy-vline 
WA_ISRARTAXLINEITEM_STR-BILLINGQUANTITYUNIT sy-vline 
WA_ISRARTAXLINEITEM_STR-NMBROFPAGES sy-vline 
WA_ISRARTAXLINEITEM_STR-RESPONSIBLETYPE sy-vline 
WA_ISRARTAXLINEITEM_STR-SALESDOCUMENTCONDITION sy-vline 
WA_ISRARTAXLINEITEM_STR-BILLINGDOCUMENTISCANCELLED sy-vline 
WA_ISRARTAXLINEITEM_STR-REVERSEDOCUMENT sy-vline 
WA_ISRARTAXLINEITEM_STR-SUPPLIERINVOICESTATUS sy-vline 
WA_ISRARTAXLINEITEM_STR-DOCUMENTHEADERTEXT sy-vline 
WA_ISRARTAXLINEITEM_STR-EXCHANGERATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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