ABAP Select data from SAP table PPTSTTAXITEMA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPTSTTAXITEMA
*  INTO TABLE @DATA(IT_PPTSTTAXITEMA2).
*--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_PPTSTTAXITEMA INDEX 1 INTO DATA(WA_PPTSTTAXITEMA2).


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

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

ENDLOOP.

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

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


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

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

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

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

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

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

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

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