ABAP Select data from SAP table ICATAXREPCLR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICATAXREPCLR
*  INTO TABLE @DATA(IT_ICATAXREPCLR2).
*--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_ICATAXREPCLR INDEX 1 INTO DATA(WA_ICATAXREPCLR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICATAXREPCLR>-MANDT = 1.
<ICATAXREPCLR>-CADOCUMENTNUMBER = 1.
<ICATAXREPCLR>-CAGLITEMNUMBER = 1.
<ICATAXREPCLR>-BUSINESSPARTNER = 1.
<ICATAXREPCLR>-CATAXREPORTINGDETAILINGASSGMT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICATAXREPCLR-CATAXREPORTINGITEMSEQUENCENMBR, sy-vline,
  WA_ICATAXREPCLR-CAAPPLICATIONAREA, sy-vline,
  WA_ICATAXREPCLR-COMPANYCODE, sy-vline,
  WA_ICATAXREPCLR-BUSINESSPLACE, sy-vline,
  WA_ICATAXREPCLR-GLACCOUNT, sy-vline,
  WA_ICATAXREPCLR-TAXCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICATAXREPCLR 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_ICATAXREPCLR 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_ICATAXREPCLR INTO WA_ICATAXREPCLR.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CATRANSFPOSTGDOCOFDEFERREDTAX
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICATAXREPCLR-CATRANSFPOSTGDOCOFDEFERREDTAX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICATAXREPCLR-CATRANSFPOSTGDOCOFDEFERREDTAX.
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_ICATAXREPCLR_STR, 
MANDT TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CAGLITEMNUMBER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CATAXREPORTINGDETAILINGASSGMT TYPE STRING,
CATAXREPORTINGITEMSEQUENCENMBR TYPE STRING,
CAAPPLICATIONAREA TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSPLACE TYPE STRING,
GLACCOUNT TYPE STRING,
TAXCODE TYPE STRING,
CAOTHERTAXCODE TYPE STRING,
CATAXRATE TYPE STRING,
CADOCUMENTHASREFTOOTHERTAXES TYPE STRING,
CATAXBASEAMOUNTINLOCALCURRENCY TYPE STRING,
CATAXBASEAMOUNT TYPE STRING,
CATAXAMOUNTINLOCALCURRENCY TYPE STRING,
CATAXAMOUNTINTRANSCURRENCY TYPE STRING,
CAAMOUNTPERTAXCODEINCCCRCY TYPE STRING,
CAAMOUNTPERTAXCODEINTRANSCRCY TYPE STRING,
CACLEARINGAMTINDOCOPENITEMCRCY TYPE STRING,
CACLEARINGAMOUNTINLOCALCRCY TYPE STRING,
CACLEARINGAMOUNTINTRANSCRCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CAPOSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
CANETDUEDATE TYPE STRING,
CAPLANNEDTAXREPORTDATE TYPE STRING,
CATAXREPORTINGADDITIONALTEXT TYPE STRING,
CAREFERENCEDOCUMENT TYPE STRING,
CATRANSACTIONKEYACCOUNTDETN TYPE STRING,
CATAXITEMCATFOROTHERTAXCODES TYPE STRING,
TAXJURISDICTION TYPE STRING,
CAENTEREDTAXJURISDICTIONCODE TYPE STRING,
CATRIGGEREDDOCUMENT TYPE STRING,
CATAXRPTGDOCPOSTGTRIGGERCODE TYPE STRING,
CARELATEDDOCUMENT TYPE STRING,
CADOCUMENTHASBEENREVERSED TYPE STRING,
CACLEARINGREASON TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CAOFFICIALDOCAMOUNTINCCCRCY TYPE STRING,
CAOFFICIALDOCAMOUNTINTRANSCRCY TYPE STRING,
CATRANSFERREDDOCUMENT TYPE STRING,
CATRANSFERREDDOCUMENTITEM TYPE STRING,
CATRANSFPOSTGDOCOFDEFERREDTAX TYPE STRING,
TAXCOUNTRY TYPE STRING,
DOCUMENTOPENITEMCURRENCY TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICATAXREPCLR_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_ICATAXREPCLR_STR-MANDT sy-vline 
WA_ICATAXREPCLR_STR-CADOCUMENTNUMBER sy-vline 
WA_ICATAXREPCLR_STR-CAGLITEMNUMBER sy-vline 
WA_ICATAXREPCLR_STR-BUSINESSPARTNER sy-vline 
WA_ICATAXREPCLR_STR-CATAXREPORTINGDETAILINGASSGMT sy-vline 
WA_ICATAXREPCLR_STR-CATAXREPORTINGITEMSEQUENCENMBR sy-vline 
WA_ICATAXREPCLR_STR-CAAPPLICATIONAREA sy-vline 
WA_ICATAXREPCLR_STR-COMPANYCODE sy-vline 
WA_ICATAXREPCLR_STR-BUSINESSPLACE sy-vline 
WA_ICATAXREPCLR_STR-GLACCOUNT sy-vline 
WA_ICATAXREPCLR_STR-TAXCODE sy-vline 
WA_ICATAXREPCLR_STR-CAOTHERTAXCODE sy-vline 
WA_ICATAXREPCLR_STR-CATAXRATE sy-vline 
WA_ICATAXREPCLR_STR-CADOCUMENTHASREFTOOTHERTAXES sy-vline 
WA_ICATAXREPCLR_STR-CATAXBASEAMOUNTINLOCALCURRENCY sy-vline 
WA_ICATAXREPCLR_STR-CATAXBASEAMOUNT sy-vline 
WA_ICATAXREPCLR_STR-CATAXAMOUNTINLOCALCURRENCY sy-vline 
WA_ICATAXREPCLR_STR-CATAXAMOUNTINTRANSCURRENCY sy-vline 
WA_ICATAXREPCLR_STR-CAAMOUNTPERTAXCODEINCCCRCY sy-vline 
WA_ICATAXREPCLR_STR-CAAMOUNTPERTAXCODEINTRANSCRCY sy-vline 
WA_ICATAXREPCLR_STR-CACLEARINGAMTINDOCOPENITEMCRCY sy-vline 
WA_ICATAXREPCLR_STR-CACLEARINGAMOUNTINLOCALCRCY sy-vline 
WA_ICATAXREPCLR_STR-CACLEARINGAMOUNTINTRANSCRCY sy-vline 
WA_ICATAXREPCLR_STR-COMPANYCODECURRENCY sy-vline 
WA_ICATAXREPCLR_STR-TRANSACTIONCURRENCY sy-vline 
WA_ICATAXREPCLR_STR-CAPOSTINGDATE sy-vline 
WA_ICATAXREPCLR_STR-DOCUMENTDATE sy-vline 
WA_ICATAXREPCLR_STR-CANETDUEDATE sy-vline 
WA_ICATAXREPCLR_STR-CAPLANNEDTAXREPORTDATE sy-vline 
WA_ICATAXREPCLR_STR-CATAXREPORTINGADDITIONALTEXT sy-vline 
WA_ICATAXREPCLR_STR-CAREFERENCEDOCUMENT sy-vline 
WA_ICATAXREPCLR_STR-CATRANSACTIONKEYACCOUNTDETN sy-vline 
WA_ICATAXREPCLR_STR-CATAXITEMCATFOROTHERTAXCODES sy-vline 
WA_ICATAXREPCLR_STR-TAXJURISDICTION sy-vline 
WA_ICATAXREPCLR_STR-CAENTEREDTAXJURISDICTIONCODE sy-vline 
WA_ICATAXREPCLR_STR-CATRIGGEREDDOCUMENT sy-vline 
WA_ICATAXREPCLR_STR-CATAXRPTGDOCPOSTGTRIGGERCODE sy-vline 
WA_ICATAXREPCLR_STR-CARELATEDDOCUMENT sy-vline 
WA_ICATAXREPCLR_STR-CADOCUMENTHASBEENREVERSED sy-vline 
WA_ICATAXREPCLR_STR-CACLEARINGREASON sy-vline 
WA_ICATAXREPCLR_STR-CREATIONDATE sy-vline 
WA_ICATAXREPCLR_STR-CREATIONTIME sy-vline 
WA_ICATAXREPCLR_STR-CAOFFICIALDOCAMOUNTINCCCRCY sy-vline 
WA_ICATAXREPCLR_STR-CAOFFICIALDOCAMOUNTINTRANSCRCY sy-vline 
WA_ICATAXREPCLR_STR-CATRANSFERREDDOCUMENT sy-vline 
WA_ICATAXREPCLR_STR-CATRANSFERREDDOCUMENTITEM sy-vline 
WA_ICATAXREPCLR_STR-CATRANSFPOSTGDOCOFDEFERREDTAX sy-vline 
WA_ICATAXREPCLR_STR-TAXCOUNTRY sy-vline 
WA_ICATAXREPCLR_STR-DOCUMENTOPENITEMCURRENCY sy-vline 
WA_ICATAXREPCLR_STR-CHARTOFACCOUNTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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