ABAP Select data from SAP table POPACTGTAXITEMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM POPACTGTAXITEMS
*  INTO TABLE @DATA(IT_POPACTGTAXITEMS2).
*--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_POPACTGTAXITEMS INDEX 1 INTO DATA(WA_POPACTGTAXITEMS2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_POPACTGTAXITEMS-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_POPACTGTAXITEMS-TAXCALCULATIONPROCEDURE, sy-vline,
  WA_POPACTGTAXITEMS-TAXCODE, sy-vline,
  WA_POPACTGTAXITEMS-TRANSACTIONTYPEDETERMINATION, sy-vline,
  WA_POPACTGTAXITEMS-DEBITCREDITCODE, sy-vline,
  WA_POPACTGTAXITEMS-TAXRATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_POPACTGTAXITEMS 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_POPACTGTAXITEMS 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_POPACTGTAXITEMS INTO WA_POPACTGTAXITEMS.


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

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

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

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

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

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

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

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

*Conversion exit EXCRT, internal->external for field EXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_POPACTGTAXITEMS-EXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POPACTGTAXITEMS-EXCHANGERATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFERENCEDOCUMENTLOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_POPACTGTAXITEMS-REFERENCEDOCUMENTLOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POPACTGTAXITEMS-REFERENCEDOCUMENTLOGICALSYSTEM.
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_POPACTGTAXITEMS_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
TAXCALCULATIONPROCEDURE TYPE STRING,
TAXCODE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
DEBITCREDITCODE TYPE STRING,
TAXRATE TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
DOCUMENTDATE TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
ISREVERSAL TYPE STRING,
ISREVERSED TYPE STRING,
ORIGINALREFERENCEDOCUMENT TYPE STRING,
FISCALPERIOD TYPE STRING,
REVERSEDOCUMENT TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
AR_OFFICIALDOCUMENTNUMBER TYPE STRING,
AR_BRANCH TYPE STRING,
AR_PRINTCHARACTER TYPE STRING,
AR_OFFICIALDOCUMENTCLASS TYPE STRING,
COMPANYCODECOUNTRY TYPE STRING,
STRPTAXCLASSIFICATION TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNT TYPE STRING,
LINEARDATALENGTH TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
BUSINESSPARTNERCOUNTRY TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBERTYPE TYPE STRING,
DUECALCULATIONBASEDATE TYPE STRING,
NETPAYMENTDAYS TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
POSTINGDATE TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
ZEROVATRSN TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
CLEARINGISREVERSIBLE TYPE STRING,
REPORTINGDATE TYPE STRING,
BUSINESSPARTNER TYPE STRING,
EXCHANGERATE TYPE STRING,
NMBROFVATRATES TYPE STRING,
TAXTYPE TYPE STRING,
REFERENCEDOCUMENTLOGICALSYSTEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_POPACTGTAXITEMS_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_POPACTGTAXITEMS_STR-MANDT sy-vline 
WA_POPACTGTAXITEMS_STR-COMPANYCODE sy-vline 
WA_POPACTGTAXITEMS_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_POPACTGTAXITEMS_STR-FISCALYEAR sy-vline 
WA_POPACTGTAXITEMS_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_POPACTGTAXITEMS_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_POPACTGTAXITEMS_STR-TAXCALCULATIONPROCEDURE sy-vline 
WA_POPACTGTAXITEMS_STR-TAXCODE sy-vline 
WA_POPACTGTAXITEMS_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_POPACTGTAXITEMS_STR-DEBITCREDITCODE sy-vline 
WA_POPACTGTAXITEMS_STR-TAXRATE sy-vline 
WA_POPACTGTAXITEMS_STR-DOCUMENTCURRENCY sy-vline 
WA_POPACTGTAXITEMS_STR-DOCUMENTDATE sy-vline 
WA_POPACTGTAXITEMS_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_POPACTGTAXITEMS_STR-ISREVERSAL sy-vline 
WA_POPACTGTAXITEMS_STR-ISREVERSED sy-vline 
WA_POPACTGTAXITEMS_STR-ORIGINALREFERENCEDOCUMENT sy-vline 
WA_POPACTGTAXITEMS_STR-FISCALPERIOD sy-vline 
WA_POPACTGTAXITEMS_STR-REVERSEDOCUMENT sy-vline 
WA_POPACTGTAXITEMS_STR-COMPANYCODECURRENCY sy-vline 
WA_POPACTGTAXITEMS_STR-AR_OFFICIALDOCUMENTNUMBER sy-vline 
WA_POPACTGTAXITEMS_STR-AR_BRANCH sy-vline 
WA_POPACTGTAXITEMS_STR-AR_PRINTCHARACTER sy-vline 
WA_POPACTGTAXITEMS_STR-AR_OFFICIALDOCUMENTCLASS sy-vline 
WA_POPACTGTAXITEMS_STR-COMPANYCODECOUNTRY sy-vline 
WA_POPACTGTAXITEMS_STR-STRPTAXCLASSIFICATION sy-vline 
WA_POPACTGTAXITEMS_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_POPACTGTAXITEMS_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_POPACTGTAXITEMS_STR-TAXAMOUNT sy-vline 
WA_POPACTGTAXITEMS_STR-LINEARDATALENGTH sy-vline 
WA_POPACTGTAXITEMS_STR-BUSINESSPARTNERNAME sy-vline 
WA_POPACTGTAXITEMS_STR-BUSINESSPARTNERCOUNTRY sy-vline 
WA_POPACTGTAXITEMS_STR-TAXNUMBER1 sy-vline 
WA_POPACTGTAXITEMS_STR-TAXNUMBERTYPE sy-vline 
WA_POPACTGTAXITEMS_STR-DUECALCULATIONBASEDATE sy-vline 
WA_POPACTGTAXITEMS_STR-NETPAYMENTDAYS sy-vline 
WA_POPACTGTAXITEMS_STR-CASHDISCOUNT2DAYS sy-vline 
WA_POPACTGTAXITEMS_STR-CASHDISCOUNT1DAYS sy-vline 
WA_POPACTGTAXITEMS_STR-POSTINGDATE sy-vline 
WA_POPACTGTAXITEMS_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_POPACTGTAXITEMS_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_POPACTGTAXITEMS_STR-ZEROVATRSN sy-vline 
WA_POPACTGTAXITEMS_STR-CUSTOMER sy-vline 
WA_POPACTGTAXITEMS_STR-SUPPLIER sy-vline 
WA_POPACTGTAXITEMS_STR-CLEARINGISREVERSIBLE sy-vline 
WA_POPACTGTAXITEMS_STR-REPORTINGDATE sy-vline 
WA_POPACTGTAXITEMS_STR-BUSINESSPARTNER sy-vline 
WA_POPACTGTAXITEMS_STR-EXCHANGERATE sy-vline 
WA_POPACTGTAXITEMS_STR-NMBROFVATRATES sy-vline 
WA_POPACTGTAXITEMS_STR-TAXTYPE sy-vline 
WA_POPACTGTAXITEMS_STR-REFERENCEDOCUMENTLOGICALSYSTEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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