ABAP Select data from SAP table CSRKRTAXITEMQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSRKRTAXITEMQ
*  INTO TABLE @DATA(IT_CSRKRTAXITEMQ2).
*--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_CSRKRTAXITEMQ INDEX 1 INTO DATA(WA_CSRKRTAXITEMQ2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSRKRTAXITEMQ-WITHHOLDINGTAXCODE, sy-vline,
  WA_CSRKRTAXITEMQ-STATRYRPTGENTITY, sy-vline,
  WA_CSRKRTAXITEMQ-STATRYRPTCATEGORY, sy-vline,
  WA_CSRKRTAXITEMQ-STATRYRPTRUNID, sy-vline,
  WA_CSRKRTAXITEMQ-CLEARINGACCOUNTINGDOCUMENT, sy-vline,
  WA_CSRKRTAXITEMQ-INVOICEREFERENCE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSRKRTAXITEMQ 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_CSRKRTAXITEMQ 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_CSRKRTAXITEMQ INTO WA_CSRKRTAXITEMQ.


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

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

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

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

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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CSRKRTAXITEMQ-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSRKRTAXITEMQ-LANGUAGE.
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_CSRKRTAXITEMQ_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
WITHHOLDINGTAXTYPE TYPE STRING,
WITHHOLDINGTAXCODE TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
CLEARINGACCOUNTINGDOCUMENT TYPE STRING,
INVOICEREFERENCE TYPE STRING,
POSTINGDATE TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
OFFICIALWHLDGTAXCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
BUSINESSPLACE TYPE STRING,
TAXSECTION TYPE STRING,
WITHHOLDINGTAXINCOMETYPE TYPE STRING,
ISBUSINESSINCOMEDOCUMENT TYPE STRING,
BRANCHNAME TYPE STRING,
DISTRICTTAXOFFICE TYPE STRING,
REPRESENTATIVENAME TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBER2 TYPE STRING,
PHONENUMBER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CUSTOMERSUPPLIERCOUNTRY TYPE STRING,
FRGNBP TYPE STRING,
BUSINESSPARTNERISFOREIGN TYPE STRING,
CUSTOMERSUPPLIERHOUSENUMBER TYPE STRING,
POSTALCODE TYPE STRING,
STREETNAME TYPE STRING,
CITYNAME TYPE STRING,
BUSINESSPARTNERCOUNTRY TYPE STRING,
HOUSENUMBER TYPE STRING,
SUPPLIERADDRESS TYPE STRING,
TAXINVOICEREPRESENTATIVENAME TYPE STRING,
NAME TYPE STRING,
SUPPLIERTAXID1 TYPE STRING,
SUPPLIERTAXID2 TYPE STRING,
ISNATURALPERSON TYPE STRING,
VALUEDATE TYPE STRING,
YEARMONTH TYPE STRING,
SUPPLIERRECIPIENTTYPE TYPE STRING,
WHLDGTAXCALCFORMULAISUSED TYPE STRING,
WITHHOLDINGTAXPERCENT TYPE STRING,
TAXRATE TYPE STRING,
WHLDGTAXDOCUMENTTYPE TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
WHLDGTAXBASEAMTINCOCODECRCY TYPE STRING,
NECESSARYEXPENSEAMTINCOCOCRCY TYPE STRING,
WHLDGTAXAMTINCOCODECRCY TYPE STRING,
CITIZENWHLDGTAXAMTINCOCODECRCY TYPE STRING,
TOTALTAXAMOUNT TYPE STRING,
LANGUAGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSRKRTAXITEMQ_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_CSRKRTAXITEMQ_STR-MANDT sy-vline 
WA_CSRKRTAXITEMQ_STR-COMPANYCODE sy-vline 
WA_CSRKRTAXITEMQ_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CSRKRTAXITEMQ_STR-FISCALYEAR sy-vline 
WA_CSRKRTAXITEMQ_STR-WITHHOLDINGTAXTYPE sy-vline 
WA_CSRKRTAXITEMQ_STR-WITHHOLDINGTAXCODE sy-vline 
WA_CSRKRTAXITEMQ_STR-STATRYRPTGENTITY sy-vline 
WA_CSRKRTAXITEMQ_STR-STATRYRPTCATEGORY sy-vline 
WA_CSRKRTAXITEMQ_STR-STATRYRPTRUNID sy-vline 
WA_CSRKRTAXITEMQ_STR-CLEARINGACCOUNTINGDOCUMENT sy-vline 
WA_CSRKRTAXITEMQ_STR-INVOICEREFERENCE sy-vline 
WA_CSRKRTAXITEMQ_STR-POSTINGDATE sy-vline 
WA_CSRKRTAXITEMQ_STR-REPORTINGCURRENCY sy-vline 
WA_CSRKRTAXITEMQ_STR-OFFICIALWHLDGTAXCODE sy-vline 
WA_CSRKRTAXITEMQ_STR-COMPANYCODENAME sy-vline 
WA_CSRKRTAXITEMQ_STR-BUSINESSPLACE sy-vline 
WA_CSRKRTAXITEMQ_STR-TAXSECTION sy-vline 
WA_CSRKRTAXITEMQ_STR-WITHHOLDINGTAXINCOMETYPE sy-vline 
WA_CSRKRTAXITEMQ_STR-ISBUSINESSINCOMEDOCUMENT sy-vline 
WA_CSRKRTAXITEMQ_STR-BRANCHNAME sy-vline 
WA_CSRKRTAXITEMQ_STR-DISTRICTTAXOFFICE sy-vline 
WA_CSRKRTAXITEMQ_STR-REPRESENTATIVENAME sy-vline 
WA_CSRKRTAXITEMQ_STR-TAXNUMBER1 sy-vline 
WA_CSRKRTAXITEMQ_STR-TAXNUMBER2 sy-vline 
WA_CSRKRTAXITEMQ_STR-PHONENUMBER sy-vline 
WA_CSRKRTAXITEMQ_STR-BUSINESSPARTNER sy-vline 
WA_CSRKRTAXITEMQ_STR-CUSTOMERSUPPLIERCOUNTRY sy-vline 
WA_CSRKRTAXITEMQ_STR-FRGNBP sy-vline 
WA_CSRKRTAXITEMQ_STR-BUSINESSPARTNERISFOREIGN sy-vline 
WA_CSRKRTAXITEMQ_STR-CUSTOMERSUPPLIERHOUSENUMBER sy-vline 
WA_CSRKRTAXITEMQ_STR-POSTALCODE sy-vline 
WA_CSRKRTAXITEMQ_STR-STREETNAME sy-vline 
WA_CSRKRTAXITEMQ_STR-CITYNAME sy-vline 
WA_CSRKRTAXITEMQ_STR-BUSINESSPARTNERCOUNTRY sy-vline 
WA_CSRKRTAXITEMQ_STR-HOUSENUMBER sy-vline 
WA_CSRKRTAXITEMQ_STR-SUPPLIERADDRESS sy-vline 
WA_CSRKRTAXITEMQ_STR-TAXINVOICEREPRESENTATIVENAME sy-vline 
WA_CSRKRTAXITEMQ_STR-NAME sy-vline 
WA_CSRKRTAXITEMQ_STR-SUPPLIERTAXID1 sy-vline 
WA_CSRKRTAXITEMQ_STR-SUPPLIERTAXID2 sy-vline 
WA_CSRKRTAXITEMQ_STR-ISNATURALPERSON sy-vline 
WA_CSRKRTAXITEMQ_STR-VALUEDATE sy-vline 
WA_CSRKRTAXITEMQ_STR-YEARMONTH sy-vline 
WA_CSRKRTAXITEMQ_STR-SUPPLIERRECIPIENTTYPE sy-vline 
WA_CSRKRTAXITEMQ_STR-WHLDGTAXCALCFORMULAISUSED sy-vline 
WA_CSRKRTAXITEMQ_STR-WITHHOLDINGTAXPERCENT sy-vline 
WA_CSRKRTAXITEMQ_STR-TAXRATE sy-vline 
WA_CSRKRTAXITEMQ_STR-WHLDGTAXDOCUMENTTYPE sy-vline 
WA_CSRKRTAXITEMQ_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_CSRKRTAXITEMQ_STR-WHLDGTAXBASEAMTINCOCODECRCY sy-vline 
WA_CSRKRTAXITEMQ_STR-NECESSARYEXPENSEAMTINCOCOCRCY sy-vline 
WA_CSRKRTAXITEMQ_STR-WHLDGTAXAMTINCOCODECRCY sy-vline 
WA_CSRKRTAXITEMQ_STR-CITIZENWHLDGTAXAMTINCOCODECRCY sy-vline 
WA_CSRKRTAXITEMQ_STR-TOTALTAXAMOUNT sy-vline 
WA_CSRKRTAXITEMQ_STR-LANGUAGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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