ABAP Select data from SAP table PPTSTTAXITEMVAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPTSTTAXITEMVAT
*  INTO TABLE @DATA(IT_PPTSTTAXITEMVAT2).
*--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_PPTSTTAXITEMVAT INDEX 1 INTO DATA(WA_PPTSTTAXITEMVAT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPTSTTAXITEMVAT-STAMPTAXVALIDITYSTARTDATE, sy-vline,
  WA_PPTSTTAXITEMVAT-TAXCODE, sy-vline,
  WA_PPTSTTAXITEMVAT-TRANSACTIONTYPEDETERMINATION, sy-vline,
  WA_PPTSTTAXITEMVAT-REPORTINGCURRENCY, sy-vline,
  WA_PPTSTTAXITEMVAT-TAXBASEAMOUNTINRPTGCRCY, sy-vline,
  WA_PPTSTTAXITEMVAT-TAXAMOUNTINRPTGCRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPTSTTAXITEMVAT 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_PPTSTTAXITEMVAT 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_PPTSTTAXITEMVAT INTO WA_PPTSTTAXITEMVAT.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPTSTTAXITEMVAT-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPTSTTAXITEMVAT-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_PPTSTTAXITEMVAT_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TAXITEM TYPE STRING,
STAMPTAXVALIDITYSTARTDATE TYPE STRING,
TAXCODE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
TAXAMOUNTINRPTGCRCY TYPE STRING,
REPORTINGCOUNTRY TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBER2 TYPE STRING,
TAXNUMBER3 TYPE STRING,
TAXNUMBER4 TYPE STRING,
STAMPTAXVALIDITYENDDATE TYPE STRING,
STAMPTAXARTICLE TYPE STRING,
STAMPTAXCODE TYPE STRING,
STAMPTAXREGION TYPE STRING,
STAMPTAXEXEMPTIONCODE TYPE STRING,
BUSINESSPARTNERCOUNTRY TYPE STRING,
CUSTOMERSUPPLIERVATREGN TYPE STRING,
VATREGISTRATIONCOUNTRY TYPE STRING,
VATREGISTRATION TYPE STRING,
VATREGISTRATIONCOUNTRYCODE TYPE STRING,
BPCOUNTRYCODE TYPE STRING,
DOMESTICTAXNUMBER TYPE STRING,
FRGNCOUNTRYTHREEDIGITISOCODE TYPE STRING,
FOREIGNTAXNUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPTSTTAXITEMVAT_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_PPTSTTAXITEMVAT_STR-MANDT sy-vline 
WA_PPTSTTAXITEMVAT_STR-COMPANYCODE sy-vline 
WA_PPTSTTAXITEMVAT_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PPTSTTAXITEMVAT_STR-FISCALYEAR sy-vline 
WA_PPTSTTAXITEMVAT_STR-TAXITEM sy-vline 
WA_PPTSTTAXITEMVAT_STR-STAMPTAXVALIDITYSTARTDATE sy-vline 
WA_PPTSTTAXITEMVAT_STR-TAXCODE sy-vline 
WA_PPTSTTAXITEMVAT_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_PPTSTTAXITEMVAT_STR-REPORTINGCURRENCY sy-vline 
WA_PPTSTTAXITEMVAT_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_PPTSTTAXITEMVAT_STR-TAXAMOUNTINRPTGCRCY sy-vline 
WA_PPTSTTAXITEMVAT_STR-REPORTINGCOUNTRY sy-vline 
WA_PPTSTTAXITEMVAT_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PPTSTTAXITEMVAT_STR-DOCUMENTDATE sy-vline 
WA_PPTSTTAXITEMVAT_STR-POSTINGDATE sy-vline 
WA_PPTSTTAXITEMVAT_STR-REPORTINGDATE sy-vline 
WA_PPTSTTAXITEMVAT_STR-CUSTOMER sy-vline 
WA_PPTSTTAXITEMVAT_STR-SUPPLIER sy-vline 
WA_PPTSTTAXITEMVAT_STR-BUSINESSPARTNER sy-vline 
WA_PPTSTTAXITEMVAT_STR-TAXNUMBER1 sy-vline 
WA_PPTSTTAXITEMVAT_STR-TAXNUMBER2 sy-vline 
WA_PPTSTTAXITEMVAT_STR-TAXNUMBER3 sy-vline 
WA_PPTSTTAXITEMVAT_STR-TAXNUMBER4 sy-vline 
WA_PPTSTTAXITEMVAT_STR-STAMPTAXVALIDITYENDDATE sy-vline 
WA_PPTSTTAXITEMVAT_STR-STAMPTAXARTICLE sy-vline 
WA_PPTSTTAXITEMVAT_STR-STAMPTAXCODE sy-vline 
WA_PPTSTTAXITEMVAT_STR-STAMPTAXREGION sy-vline 
WA_PPTSTTAXITEMVAT_STR-STAMPTAXEXEMPTIONCODE sy-vline 
WA_PPTSTTAXITEMVAT_STR-BUSINESSPARTNERCOUNTRY sy-vline 
WA_PPTSTTAXITEMVAT_STR-CUSTOMERSUPPLIERVATREGN sy-vline 
WA_PPTSTTAXITEMVAT_STR-VATREGISTRATIONCOUNTRY sy-vline 
WA_PPTSTTAXITEMVAT_STR-VATREGISTRATION sy-vline 
WA_PPTSTTAXITEMVAT_STR-VATREGISTRATIONCOUNTRYCODE sy-vline 
WA_PPTSTTAXITEMVAT_STR-BPCOUNTRYCODE sy-vline 
WA_PPTSTTAXITEMVAT_STR-DOMESTICTAXNUMBER sy-vline 
WA_PPTSTTAXITEMVAT_STR-FRGNCOUNTRYTHREEDIGITISOCODE sy-vline 
WA_PPTSTTAXITEMVAT_STR-FOREIGNTAXNUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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