ABAP Select data from SAP table PSRESTAXITEM10 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PSRESTAXITEM10 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 PSRESTAXITEM10. 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 PSRESTAXITEM10 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_PSRESTAXITEM10 TYPE STANDARD TABLE OF PSRESTAXITEM10,
      WA_PSRESTAXITEM10 TYPE PSRESTAXITEM10,
      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: <PSRESTAXITEM10> TYPE PSRESTAXITEM10.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PSRESTAXITEM10.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PSRESTAXITEM10
  INTO TABLE IT_PSRESTAXITEM10.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSRESTAXITEM10
*  INTO TABLE @DATA(IT_PSRESTAXITEM102).
*--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_PSRESTAXITEM10 INDEX 1 INTO DATA(WA_PSRESTAXITEM102).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PSRESTAXITEM10 ASSIGNING <PSRESTAXITEM10>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSRESTAXITEM10>-MANDT = 1.
<PSRESTAXITEM10>-COMPANYCODE = 1.
<PSRESTAXITEM10>-ACCOUNTINGDOCUMENT = 1.
<PSRESTAXITEM10>-FISCALYEAR = 1.
<PSRESTAXITEM10>-TAXITEM = 1.

ENDLOOP.

LOOP AT IT_PSRESTAXITEM10 INTO WA_PSRESTAXITEM10.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSRESTAXITEM10-TAXCODE, sy-vline,
  WA_PSRESTAXITEM10-TRANSACTIONTYPEDETERMINATION, sy-vline,
  WA_PSRESTAXITEM10-TAXBOX, sy-vline,
  WA_PSRESTAXITEM10-TAXDECLNAMOUNTTYPE, sy-vline,
  WA_PSRESTAXITEM10-TAXITEMGROUPINGVERSION, sy-vline,
  WA_PSRESTAXITEM10-STATRYRPTGENTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSRESTAXITEM10 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_PSRESTAXITEM10 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_PSRESTAXITEM10 INTO WA_PSRESTAXITEM10.


*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_PSRESTAXITEM10-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRESTAXITEM10-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSRESTAXITEM10-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRESTAXITEM10-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRESTAXITEM10-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRESTAXITEM10-GLACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REVERSEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRESTAXITEM10-REVERSEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRESTAXITEM10-REVERSEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REVERSEDOCUMENTFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSRESTAXITEM10-REVERSEDOCUMENTFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRESTAXITEM10-REVERSEDOCUMENTFISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRESTAXITEM10-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRESTAXITEM10-LEDGER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field EXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_PSRESTAXITEM10-EXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRESTAXITEM10-EXCHANGERATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRESTAXITEM10-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRESTAXITEM10-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_PSRESTAXITEM10_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,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
DEBITCREDITCODE TYPE STRING,
TAXRATE TYPE STRING,
GLACCOUNT TYPE STRING,
TAXITEMGROUP TYPE STRING,
BUSINESSPLACE TYPE STRING,
TAXJURISDICTION TYPE STRING,
LOWESTLEVELTAXJURISDICTION TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
REVERSEDOCUMENT TYPE STRING,
REVERSEDOCUMENTFISCALYEAR TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
LEDGER TYPE STRING,
LEDGERGROUP TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
TAXTYPE TYPE STRING,
ISREVERSAL TYPE STRING,
ISREVERSED TYPE STRING,
ISCORRECTIONINVOICE TYPE STRING,
ITEMISREPORTINGRELEVANT TYPE STRING,
FISCALPERIOD TYPE STRING,
REPORTINGDATE TYPE STRING,
EXCHANGERATE TYPE STRING,
ACCOUNTINGDOCUMENTHEADERTEXT TYPE STRING,
COMPANYCODECOUNTRY TYPE STRING,
REPORTINGCOUNTRY TYPE STRING,
TAXRETURNCOUNTRY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
COUNTRYCURRENCY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
ADDITIONALCURRENCY1 TYPE STRING,
ADDITIONALCURRENCY2 TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
TAXAMOUNTINRPTGCRCY TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,
TAXAMOUNT TYPE STRING,
TAXBASEAMOUNTINCOUNTRYCRCY TYPE STRING,
TAXAMOUNTINCOUNTRYCRCY TYPE STRING,
TAXBASEAMTINADDITIONALCRCY1 TYPE STRING,
TAXAMOUNTINADDITIONALCURRENCY1 TYPE STRING,
TAXBASEAMTINADDITIONALCRCY2 TYPE STRING,
TAXAMOUNTINADDITIONALCURRENCY2 TYPE STRING,
TAXCALCULATIONPROCEDURE TYPE STRING,
TARGETTAXCODE TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBER2 TYPE STRING,
TAXNUMBER3 TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
CUSTOMERSUPPLIERADDRESS TYPE STRING,
TAXISNOTDEDUCTIBLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSRESTAXITEM10_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_PSRESTAXITEM10_STR-MANDT sy-vline 
WA_PSRESTAXITEM10_STR-COMPANYCODE sy-vline 
WA_PSRESTAXITEM10_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PSRESTAXITEM10_STR-FISCALYEAR sy-vline 
WA_PSRESTAXITEM10_STR-TAXITEM sy-vline 
WA_PSRESTAXITEM10_STR-TAXCODE sy-vline 
WA_PSRESTAXITEM10_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_PSRESTAXITEM10_STR-TAXBOX sy-vline 
WA_PSRESTAXITEM10_STR-TAXDECLNAMOUNTTYPE sy-vline 
WA_PSRESTAXITEM10_STR-TAXITEMGROUPINGVERSION sy-vline 
WA_PSRESTAXITEM10_STR-STATRYRPTGENTITY sy-vline 
WA_PSRESTAXITEM10_STR-STATRYRPTCATEGORY sy-vline 
WA_PSRESTAXITEM10_STR-STATRYRPTRUNID sy-vline 
WA_PSRESTAXITEM10_STR-DEBITCREDITCODE sy-vline 
WA_PSRESTAXITEM10_STR-TAXRATE sy-vline 
WA_PSRESTAXITEM10_STR-GLACCOUNT sy-vline 
WA_PSRESTAXITEM10_STR-TAXITEMGROUP sy-vline 
WA_PSRESTAXITEM10_STR-BUSINESSPLACE sy-vline 
WA_PSRESTAXITEM10_STR-TAXJURISDICTION sy-vline 
WA_PSRESTAXITEM10_STR-LOWESTLEVELTAXJURISDICTION sy-vline 
WA_PSRESTAXITEM10_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PSRESTAXITEM10_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_PSRESTAXITEM10_STR-REVERSEDOCUMENT sy-vline 
WA_PSRESTAXITEM10_STR-REVERSEDOCUMENTFISCALYEAR sy-vline 
WA_PSRESTAXITEM10_STR-DOCUMENTREFERENCEID sy-vline 
WA_PSRESTAXITEM10_STR-LEDGER sy-vline 
WA_PSRESTAXITEM10_STR-LEDGERGROUP sy-vline 
WA_PSRESTAXITEM10_STR-POSTINGDATE sy-vline 
WA_PSRESTAXITEM10_STR-DOCUMENTDATE sy-vline 
WA_PSRESTAXITEM10_STR-TAXREPORTINGDATE sy-vline 
WA_PSRESTAXITEM10_STR-TAXTYPE sy-vline 
WA_PSRESTAXITEM10_STR-ISREVERSAL sy-vline 
WA_PSRESTAXITEM10_STR-ISREVERSED sy-vline 
WA_PSRESTAXITEM10_STR-ISCORRECTIONINVOICE sy-vline 
WA_PSRESTAXITEM10_STR-ITEMISREPORTINGRELEVANT sy-vline 
WA_PSRESTAXITEM10_STR-FISCALPERIOD sy-vline 
WA_PSRESTAXITEM10_STR-REPORTINGDATE sy-vline 
WA_PSRESTAXITEM10_STR-EXCHANGERATE sy-vline 
WA_PSRESTAXITEM10_STR-ACCOUNTINGDOCUMENTHEADERTEXT sy-vline 
WA_PSRESTAXITEM10_STR-COMPANYCODECOUNTRY sy-vline 
WA_PSRESTAXITEM10_STR-REPORTINGCOUNTRY sy-vline 
WA_PSRESTAXITEM10_STR-TAXRETURNCOUNTRY sy-vline 
WA_PSRESTAXITEM10_STR-COMPANYCODECURRENCY sy-vline 
WA_PSRESTAXITEM10_STR-COUNTRYCURRENCY sy-vline 
WA_PSRESTAXITEM10_STR-DOCUMENTCURRENCY sy-vline 
WA_PSRESTAXITEM10_STR-REPORTINGCURRENCY sy-vline 
WA_PSRESTAXITEM10_STR-ADDITIONALCURRENCY1 sy-vline 
WA_PSRESTAXITEM10_STR-ADDITIONALCURRENCY2 sy-vline 
WA_PSRESTAXITEM10_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_PSRESTAXITEM10_STR-TAXAMOUNTINRPTGCRCY sy-vline 
WA_PSRESTAXITEM10_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_PSRESTAXITEM10_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_PSRESTAXITEM10_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline 
WA_PSRESTAXITEM10_STR-TAXAMOUNT sy-vline 
WA_PSRESTAXITEM10_STR-TAXBASEAMOUNTINCOUNTRYCRCY sy-vline 
WA_PSRESTAXITEM10_STR-TAXAMOUNTINCOUNTRYCRCY sy-vline 
WA_PSRESTAXITEM10_STR-TAXBASEAMTINADDITIONALCRCY1 sy-vline 
WA_PSRESTAXITEM10_STR-TAXAMOUNTINADDITIONALCURRENCY1 sy-vline 
WA_PSRESTAXITEM10_STR-TAXBASEAMTINADDITIONALCRCY2 sy-vline 
WA_PSRESTAXITEM10_STR-TAXAMOUNTINADDITIONALCURRENCY2 sy-vline 
WA_PSRESTAXITEM10_STR-TAXCALCULATIONPROCEDURE sy-vline 
WA_PSRESTAXITEM10_STR-TARGETTAXCODE sy-vline 
WA_PSRESTAXITEM10_STR-TAXNUMBER1 sy-vline 
WA_PSRESTAXITEM10_STR-TAXNUMBER2 sy-vline 
WA_PSRESTAXITEM10_STR-TAXNUMBER3 sy-vline 
WA_PSRESTAXITEM10_STR-BUSINESSPARTNER sy-vline 
WA_PSRESTAXITEM10_STR-BUSINESSPARTNERNAME sy-vline 
WA_PSRESTAXITEM10_STR-CUSTOMERSUPPLIERADDRESS sy-vline 
WA_PSRESTAXITEM10_STR-TAXISNOTDEDUCTIBLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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