ABAP Select data from SAP table PSPLSTBPTAXITM20 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PSPLSTBPTAXITM20 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 PSPLSTBPTAXITM20. 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 PSPLSTBPTAXITM20 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_PSPLSTBPTAXITM20 TYPE STANDARD TABLE OF PSPLSTBPTAXITM20,
      WA_PSPLSTBPTAXITM20 TYPE PSPLSTBPTAXITM20,
      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: <PSPLSTBPTAXITM20> TYPE PSPLSTBPTAXITM20.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PSPLSTBPTAXITM20.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PSPLSTBPTAXITM20
  INTO TABLE IT_PSPLSTBPTAXITM20.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSPLSTBPTAXITM20
*  INTO TABLE @DATA(IT_PSPLSTBPTAXITM202).
*--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_PSPLSTBPTAXITM20 INDEX 1 INTO DATA(WA_PSPLSTBPTAXITM202).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PSPLSTBPTAXITM20 ASSIGNING <PSPLSTBPTAXITM20>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSPLSTBPTAXITM20>-MANDT = 1.
<PSPLSTBPTAXITM20>-COMPANYCODE = 1.
<PSPLSTBPTAXITM20>-FISCALYEAR = 1.
<PSPLSTBPTAXITM20>-ACCOUNTINGDOCUMENT = 1.
<PSPLSTBPTAXITM20>-TAXITEM = 1.

ENDLOOP.

LOOP AT IT_PSPLSTBPTAXITM20 INTO WA_PSPLSTBPTAXITM20.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSPLSTBPTAXITM20-TAXCODE, sy-vline,
  WA_PSPLSTBPTAXITM20-TRANSACTIONTYPEDETERMINATION, sy-vline,
  WA_PSPLSTBPTAXITM20-TAXBASEAMOUNTINCOCODECRCY, sy-vline,
  WA_PSPLSTBPTAXITM20-TAXAMOUNTINCOCODECRCY, sy-vline,
  WA_PSPLSTBPTAXITM20-TAXRATE, sy-vline,
  WA_PSPLSTBPTAXITM20-TAXCOUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSPLSTBPTAXITM20 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_PSPLSTBPTAXITM20 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_PSPLSTBPTAXITM20 INTO WA_PSPLSTBPTAXITM20.


*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 GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSPLSTBPTAXITM20-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSPLSTBPTAXITM20-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSPLSTBPTAXITM20-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSPLSTBPTAXITM20-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DEBTOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSPLSTBPTAXITM20-DEBTOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSPLSTBPTAXITM20-DEBTOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CREDITOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSPLSTBPTAXITM20-CREDITOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSPLSTBPTAXITM20-CREDITOR.
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_PSPLSTBPTAXITM20_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
TAXITEM TYPE STRING,
TAXCODE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
TAXRATE TYPE STRING,
TAXCOUNTRY TYPE STRING,
TAXRETURNCOUNTRY TYPE STRING,
TAXBASEAMOUNTINCOUNTRYCRCY TYPE STRING,
TAXAMOUNTINCOUNTRYCRCY TYPE STRING,
BUSINESSPLACE TYPE STRING,
TAXAMOUNT TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,
COMPANYCODECOUNTRY TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
FISCALPERIOD TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
ACCOUNTINGDOCUMENTHEADERTEXT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
DEBTOR TYPE STRING,
CREDITOR TYPE STRING,
ORGANIZATIONBPNAME1 TYPE STRING,
ORGANIZATIONBPNAME2 TYPE STRING,
COUNTRY TYPE STRING,
CITYNAME TYPE STRING,
POSTALCODE TYPE STRING,
STREETNAME TYPE STRING,
ISONETIMEACCOUNT TYPE STRING,
VATREGISTRATION TYPE STRING,
VATREGISTRATIONFROMLINEITEM TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBER2 TYPE STRING,
TAXNUMBER3 TYPE STRING,
TAXNUMBER4 TYPE STRING,
TAXNUMBER5 TYPE STRING,
TAXCALCULATIONPROCEDURE TYPE STRING,
COUNTRYCURRENCY TYPE STRING,
STGRP TYPE STRING,
STAZF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSPLSTBPTAXITM20_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_PSPLSTBPTAXITM20_STR-MANDT sy-vline 
WA_PSPLSTBPTAXITM20_STR-COMPANYCODE sy-vline 
WA_PSPLSTBPTAXITM20_STR-FISCALYEAR sy-vline 
WA_PSPLSTBPTAXITM20_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXITEM sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXCODE sy-vline 
WA_PSPLSTBPTAXITM20_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXRATE sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXCOUNTRY sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXRETURNCOUNTRY sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXBASEAMOUNTINCOUNTRYCRCY sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXAMOUNTINCOUNTRYCRCY sy-vline 
WA_PSPLSTBPTAXITM20_STR-BUSINESSPLACE sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXAMOUNT sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline 
WA_PSPLSTBPTAXITM20_STR-COMPANYCODECOUNTRY sy-vline 
WA_PSPLSTBPTAXITM20_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PSPLSTBPTAXITM20_STR-DOCUMENTDATE sy-vline 
WA_PSPLSTBPTAXITM20_STR-POSTINGDATE sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXREPORTINGDATE sy-vline 
WA_PSPLSTBPTAXITM20_STR-REPORTINGDATE sy-vline 
WA_PSPLSTBPTAXITM20_STR-FISCALPERIOD sy-vline 
WA_PSPLSTBPTAXITM20_STR-DOCUMENTREFERENCEID sy-vline 
WA_PSPLSTBPTAXITM20_STR-ACCOUNTINGDOCUMENTHEADERTEXT sy-vline 
WA_PSPLSTBPTAXITM20_STR-DOCUMENTCURRENCY sy-vline 
WA_PSPLSTBPTAXITM20_STR-COMPANYCODECURRENCY sy-vline 
WA_PSPLSTBPTAXITM20_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_PSPLSTBPTAXITM20_STR-DEBTOR sy-vline 
WA_PSPLSTBPTAXITM20_STR-CREDITOR sy-vline 
WA_PSPLSTBPTAXITM20_STR-ORGANIZATIONBPNAME1 sy-vline 
WA_PSPLSTBPTAXITM20_STR-ORGANIZATIONBPNAME2 sy-vline 
WA_PSPLSTBPTAXITM20_STR-COUNTRY sy-vline 
WA_PSPLSTBPTAXITM20_STR-CITYNAME sy-vline 
WA_PSPLSTBPTAXITM20_STR-POSTALCODE sy-vline 
WA_PSPLSTBPTAXITM20_STR-STREETNAME sy-vline 
WA_PSPLSTBPTAXITM20_STR-ISONETIMEACCOUNT sy-vline 
WA_PSPLSTBPTAXITM20_STR-VATREGISTRATION sy-vline 
WA_PSPLSTBPTAXITM20_STR-VATREGISTRATIONFROMLINEITEM sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXNUMBER1 sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXNUMBER2 sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXNUMBER3 sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXNUMBER4 sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXNUMBER5 sy-vline 
WA_PSPLSTBPTAXITM20_STR-TAXCALCULATIONPROCEDURE sy-vline 
WA_PSPLSTBPTAXITM20_STR-COUNTRYCURRENCY sy-vline 
WA_PSPLSTBPTAXITM20_STR-STGRP sy-vline 
WA_PSPLSTBPTAXITM20_STR-STAZF sy-vline      INTO ld_text SEPARATED BY SPACE.

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