ABAP Select data from SAP table PSGSTRPTAXITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSGSTRPTAXITM
*  INTO TABLE @DATA(IT_PSGSTRPTAXITM2).
*--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_PSGSTRPTAXITM INDEX 1 INTO DATA(WA_PSGSTRPTAXITM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSGSTRPTAXITM-TAXCODE, sy-vline,
  WA_PSGSTRPTAXITM-TRANSACTIONTYPEDETERMINATION, sy-vline,
  WA_PSGSTRPTAXITM-TAXBOX, sy-vline,
  WA_PSGSTRPTAXITM-TAXDECLNAMOUNTTYPE, sy-vline,
  WA_PSGSTRPTAXITM-TAXITEMGROUPINGVERSION, sy-vline,
  WA_PSGSTRPTAXITM-TAXBOXSTRUCTURETYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSGSTRPTAXITM 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_PSGSTRPTAXITM 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_PSGSTRPTAXITM INTO WA_PSGSTRPTAXITM.


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

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

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PSGSTRPTAXITM-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSGSTRPTAXITM-PRODUCT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSGSTRPTAXITM-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSGSTRPTAXITM-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_PSGSTRPTAXITM_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TAXITEM TYPE STRING,
TAXCODE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
TAXBOX TYPE STRING,
TAXDECLNAMOUNTTYPE TYPE STRING,
TAXITEMGROUPINGVERSION TYPE STRING,
TAXBOXSTRUCTURETYPE TYPE STRING,
TAXGROUP TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
BILLINGDOCUMENTITEM TYPE STRING,
VALIDFROM TYPE STRING,
ACCOUNTINGDOCUMENTHEADERTEXT TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF2 TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
PRODUCT TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
DEBITCREDITCODE TYPE STRING,
TAXRATE TYPE STRING,
TAXRATEVALIDITYSTARTDATE TYPE STRING,
GLACCOUNT TYPE STRING,
TAXITEMGROUP TYPE STRING,
TAXJURISDICTION TYPE STRING,
LEDGER TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
TAXREPORTINGDOCUMENTDATE TYPE STRING,
REPORTINGCOUNTRY TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BUSINESSPARTNERCOUNTRY TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
CUSTOMERSUPPLIERADDRESS TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBER3 TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
TAXAMOUNTINRPTGCRCY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,
TAXAMOUNTINTRANSCRCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSGSTRPTAXITM_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_PSGSTRPTAXITM_STR-MANDT sy-vline 
WA_PSGSTRPTAXITM_STR-COMPANYCODE sy-vline 
WA_PSGSTRPTAXITM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PSGSTRPTAXITM_STR-FISCALYEAR sy-vline 
WA_PSGSTRPTAXITM_STR-TAXITEM sy-vline 
WA_PSGSTRPTAXITM_STR-TAXCODE sy-vline 
WA_PSGSTRPTAXITM_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_PSGSTRPTAXITM_STR-TAXBOX sy-vline 
WA_PSGSTRPTAXITM_STR-TAXDECLNAMOUNTTYPE sy-vline 
WA_PSGSTRPTAXITM_STR-TAXITEMGROUPINGVERSION sy-vline 
WA_PSGSTRPTAXITM_STR-TAXBOXSTRUCTURETYPE sy-vline 
WA_PSGSTRPTAXITM_STR-TAXGROUP sy-vline 
WA_PSGSTRPTAXITM_STR-DOCUMENTREFERENCEID sy-vline 
WA_PSGSTRPTAXITM_STR-BILLINGDOCUMENTITEM sy-vline 
WA_PSGSTRPTAXITM_STR-VALIDFROM sy-vline 
WA_PSGSTRPTAXITM_STR-ACCOUNTINGDOCUMENTHEADERTEXT sy-vline 
WA_PSGSTRPTAXITM_STR-JRNLENTRYCNTRYSPECIFICREF2 sy-vline 
WA_PSGSTRPTAXITM_STR-POSTINGDATE sy-vline 
WA_PSGSTRPTAXITM_STR-DOCUMENTDATE sy-vline 
WA_PSGSTRPTAXITM_STR-PRODUCT sy-vline 
WA_PSGSTRPTAXITM_STR-DOCUMENTITEMTEXT sy-vline 
WA_PSGSTRPTAXITM_STR-DEBITCREDITCODE sy-vline 
WA_PSGSTRPTAXITM_STR-TAXRATE sy-vline 
WA_PSGSTRPTAXITM_STR-TAXRATEVALIDITYSTARTDATE sy-vline 
WA_PSGSTRPTAXITM_STR-GLACCOUNT sy-vline 
WA_PSGSTRPTAXITM_STR-TAXITEMGROUP sy-vline 
WA_PSGSTRPTAXITM_STR-TAXJURISDICTION sy-vline 
WA_PSGSTRPTAXITM_STR-LEDGER sy-vline 
WA_PSGSTRPTAXITM_STR-TAXREPORTINGDATE sy-vline 
WA_PSGSTRPTAXITM_STR-TAXREPORTINGDOCUMENTDATE sy-vline 
WA_PSGSTRPTAXITM_STR-REPORTINGCOUNTRY sy-vline 
WA_PSGSTRPTAXITM_STR-BUSINESSPARTNER sy-vline 
WA_PSGSTRPTAXITM_STR-BUSINESSPARTNERCOUNTRY sy-vline 
WA_PSGSTRPTAXITM_STR-BUSINESSPARTNERNAME sy-vline 
WA_PSGSTRPTAXITM_STR-CUSTOMERSUPPLIERADDRESS sy-vline 
WA_PSGSTRPTAXITM_STR-TAXNUMBER1 sy-vline 
WA_PSGSTRPTAXITM_STR-TAXNUMBER3 sy-vline 
WA_PSGSTRPTAXITM_STR-REPORTINGCURRENCY sy-vline 
WA_PSGSTRPTAXITM_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_PSGSTRPTAXITM_STR-TAXAMOUNTINRPTGCRCY sy-vline 
WA_PSGSTRPTAXITM_STR-DOCUMENTCURRENCY sy-vline 
WA_PSGSTRPTAXITM_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline 
WA_PSGSTRPTAXITM_STR-TAXAMOUNTINTRANSCRCY sy-vline 
WA_PSGSTRPTAXITM_STR-COMPANYCODECURRENCY sy-vline 
WA_PSGSTRPTAXITM_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_PSGSTRPTAXITM_STR-TAXAMOUNTINCOCODECRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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