ABAP Select data from SAP table CSRFREUTAXCLS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSRFREUTAXCLS
*  INTO TABLE @DATA(IT_CSRFREUTAXCLS2).
*--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_CSRFREUTAXCLS INDEX 1 INTO DATA(WA_CSRFREUTAXCLS2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSRFREUTAXCLS-TRANSACTIONTYPEDETERMINATION, sy-vline,
  WA_CSRFREUTAXCLS-TAXITEM, sy-vline,
  WA_CSRFREUTAXCLS-STATRYRPTCATEGORY, sy-vline,
  WA_CSRFREUTAXCLS-STATRYRPTRUNID, sy-vline,
  WA_CSRFREUTAXCLS-STATRYRPTGENTITY, sy-vline,
  WA_CSRFREUTAXCLS-DEBTOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSRFREUTAXCLS 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_CSRFREUTAXCLS 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_CSRFREUTAXCLS INTO WA_CSRFREUTAXCLS.


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

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

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

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

*Conversion exit AC172, internal->external for field AMOUNTINREPORTINGCURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_CSRFREUTAXCLS-AMOUNTINREPORTINGCURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRFREUTAXCLS-AMOUNTINREPORTINGCURRENCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAXBASEAMOUNTINCOCODECRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_CSRFREUTAXCLS-TAXBASEAMOUNTINCOCODECRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRFREUTAXCLS-TAXBASEAMOUNTINCOCODECRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TAXBASEAMOUNTINTRANSCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_CSRFREUTAXCLS-TAXBASEAMOUNTINTRANSCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRFREUTAXCLS-TAXBASEAMOUNTINTRANSCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TAXBASEAMOUNTINCOUNTRYCRCY
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_CSRFREUTAXCLS-TAXBASEAMOUNTINCOUNTRYCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRFREUTAXCLS-TAXBASEAMOUNTINCOUNTRYCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSRFREUTAXCLS-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRFREUTAXCLS-BUSINESSPARTNER.
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_CSRFREUTAXCLS_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TAXCODE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
TAXITEM TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
DEBTOR TYPE STRING,
CREDITOR TYPE STRING,
VATREGISTRATION TYPE STRING,
TAXITEMGROUP TYPE STRING,
TAXJURISDICTION TYPE STRING,
COUNTRY TYPE STRING,
AMOUNTINREPORTINGCURRENCY TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
REPORTINGCOUNTRY TYPE STRING,
TAXRETURNCOUNTRY TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
TAXBASEAMOUNTINCOUNTRYCRCY TYPE STRING,
COUNTRYCURRENCY TYPE STRING,
ISREVERSAL TYPE STRING,
ISREVERSED TYPE STRING,
TAXABLEENTITY TYPE STRING,
REPORTINGDATE TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
ISEUTRIANGULARDEAL TYPE STRING,
DELIVOFGOODSDESTCOUNTRY TYPE STRING,
DELIVOFGOODSORIGINCOUNTRY TYPE STRING,
EUTAXCLASSIFICATION TYPE STRING,
TAXTYPE TYPE STRING,
DEBITCREDITCODE TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSRFREUTAXCLS_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_CSRFREUTAXCLS_STR-MANDT sy-vline 
WA_CSRFREUTAXCLS_STR-COMPANYCODE sy-vline 
WA_CSRFREUTAXCLS_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CSRFREUTAXCLS_STR-FISCALYEAR sy-vline 
WA_CSRFREUTAXCLS_STR-TAXCODE sy-vline 
WA_CSRFREUTAXCLS_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_CSRFREUTAXCLS_STR-TAXITEM sy-vline 
WA_CSRFREUTAXCLS_STR-STATRYRPTCATEGORY sy-vline 
WA_CSRFREUTAXCLS_STR-STATRYRPTRUNID sy-vline 
WA_CSRFREUTAXCLS_STR-STATRYRPTGENTITY sy-vline 
WA_CSRFREUTAXCLS_STR-DEBTOR sy-vline 
WA_CSRFREUTAXCLS_STR-CREDITOR sy-vline 
WA_CSRFREUTAXCLS_STR-VATREGISTRATION sy-vline 
WA_CSRFREUTAXCLS_STR-TAXITEMGROUP sy-vline 
WA_CSRFREUTAXCLS_STR-TAXJURISDICTION sy-vline 
WA_CSRFREUTAXCLS_STR-COUNTRY sy-vline 
WA_CSRFREUTAXCLS_STR-AMOUNTINREPORTINGCURRENCY sy-vline 
WA_CSRFREUTAXCLS_STR-REPORTINGCURRENCY sy-vline 
WA_CSRFREUTAXCLS_STR-REPORTINGCOUNTRY sy-vline 
WA_CSRFREUTAXCLS_STR-TAXRETURNCOUNTRY sy-vline 
WA_CSRFREUTAXCLS_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_CSRFREUTAXCLS_STR-COMPANYCODECURRENCY sy-vline 
WA_CSRFREUTAXCLS_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline 
WA_CSRFREUTAXCLS_STR-DOCUMENTCURRENCY sy-vline 
WA_CSRFREUTAXCLS_STR-TAXBASEAMOUNTINCOUNTRYCRCY sy-vline 
WA_CSRFREUTAXCLS_STR-COUNTRYCURRENCY sy-vline 
WA_CSRFREUTAXCLS_STR-ISREVERSAL sy-vline 
WA_CSRFREUTAXCLS_STR-ISREVERSED sy-vline 
WA_CSRFREUTAXCLS_STR-TAXABLEENTITY sy-vline 
WA_CSRFREUTAXCLS_STR-REPORTINGDATE sy-vline 
WA_CSRFREUTAXCLS_STR-POSTINGDATE sy-vline 
WA_CSRFREUTAXCLS_STR-DOCUMENTDATE sy-vline 
WA_CSRFREUTAXCLS_STR-TAXREPORTINGDATE sy-vline 
WA_CSRFREUTAXCLS_STR-ISEUTRIANGULARDEAL sy-vline 
WA_CSRFREUTAXCLS_STR-DELIVOFGOODSDESTCOUNTRY sy-vline 
WA_CSRFREUTAXCLS_STR-DELIVOFGOODSORIGINCOUNTRY sy-vline 
WA_CSRFREUTAXCLS_STR-EUTAXCLASSIFICATION sy-vline 
WA_CSRFREUTAXCLS_STR-TAXTYPE sy-vline 
WA_CSRFREUTAXCLS_STR-DEBITCREDITCODE sy-vline 
WA_CSRFREUTAXCLS_STR-BUSINESSPARTNER sy-vline 
WA_CSRFREUTAXCLS_STR-BUSINESSPARTNERNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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