ABAP Select data from SAP table PCNLSRQTAXITEML into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCNLSRQTAXITEML
*  INTO TABLE @DATA(IT_PCNLSRQTAXITEML2).
*--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_PCNLSRQTAXITEML INDEX 1 INTO DATA(WA_PCNLSRQTAXITEML2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCNLSRQTAXITEML-STATRYRPTCATEGORY, sy-vline,
  WA_PCNLSRQTAXITEML-STATRYRPTRUNID, sy-vline,
  WA_PCNLSRQTAXITEML-TAXCODE, sy-vline,
  WA_PCNLSRQTAXITEML-TRANSACTIONTYPEDETERMINATION, sy-vline,
  WA_PCNLSRQTAXITEML-TAXBOX, sy-vline,
  WA_PCNLSRQTAXITEML-TAXDECLNAMOUNTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCNLSRQTAXITEML 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_PCNLSRQTAXITEML 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_PCNLSRQTAXITEML INTO WA_PCNLSRQTAXITEML.


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

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

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

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

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

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

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

*Conversion exit AC172, internal->external for field AMOUNTINADDITIONALCURRENCY1
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_PCNLSRQTAXITEML-AMOUNTINADDITIONALCURRENCY1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCNLSRQTAXITEML-AMOUNTINADDITIONALCURRENCY1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field AMOUNTINADDITIONALCURRENCY2
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_PCNLSRQTAXITEML-AMOUNTINADDITIONALCURRENCY2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCNLSRQTAXITEML-AMOUNTINADDITIONALCURRENCY2.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field SENDERFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PCNLSRQTAXITEML-SENDERFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCNLSRQTAXITEML-SENDERFISCALYEAR.
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_PCNLSRQTAXITEML_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
TAXCODE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
TAXBOX TYPE STRING,
TAXDECLNAMOUNTTYPE TYPE STRING,
TAXITEMGROUPINGVERSION TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
FISCALPERIOD TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
COMPANYCODECOUNTRY TYPE STRING,
REPORTINGCOUNTRY TYPE STRING,
TAXRETURNCOUNTRY TYPE STRING,
EXCHANGERATE TYPE STRING,
TAXRATE TYPE STRING,
GLACCOUNT TYPE STRING,
BUSINESSPLACE TYPE STRING,
TAXJURISDICTION TYPE STRING,
LOWESTLEVELTAXJURISDICTION TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBER2 TYPE STRING,
TAXNUMBER3 TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
CUSTOMERSUPPLIERADDRESS TYPE STRING,
TAXTYPE TYPE STRING,
TARGETTAXCODE TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
AMOUNTINREPORTINGCURRENCY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
ADDITIONALCURRENCY1 TYPE STRING,
AMOUNTINADDITIONALCURRENCY1 TYPE STRING,
ADDITIONALCURRENCY2 TYPE STRING,
AMOUNTINADDITIONALCURRENCY2 TYPE STRING,
LANGUAGE TYPE STRING,
SENDERCOMPANYCODE TYPE STRING,
SENDERACCOUNTINGDOCUMENT TYPE STRING,
SENDERFISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTHEADERTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCNLSRQTAXITEML_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_PCNLSRQTAXITEML_STR-MANDT sy-vline 
WA_PCNLSRQTAXITEML_STR-COMPANYCODE sy-vline 
WA_PCNLSRQTAXITEML_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PCNLSRQTAXITEML_STR-FISCALYEAR sy-vline 
WA_PCNLSRQTAXITEML_STR-STATRYRPTGENTITY sy-vline 
WA_PCNLSRQTAXITEML_STR-STATRYRPTCATEGORY sy-vline 
WA_PCNLSRQTAXITEML_STR-STATRYRPTRUNID sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXCODE sy-vline 
WA_PCNLSRQTAXITEML_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXBOX sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXDECLNAMOUNTTYPE sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXITEMGROUPINGVERSION sy-vline 
WA_PCNLSRQTAXITEML_STR-POSTINGDATE sy-vline 
WA_PCNLSRQTAXITEML_STR-DOCUMENTDATE sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXREPORTINGDATE sy-vline 
WA_PCNLSRQTAXITEML_STR-REPORTINGDATE sy-vline 
WA_PCNLSRQTAXITEML_STR-FISCALPERIOD sy-vline 
WA_PCNLSRQTAXITEML_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PCNLSRQTAXITEML_STR-DOCUMENTREFERENCEID sy-vline 
WA_PCNLSRQTAXITEML_STR-COMPANYCODECOUNTRY sy-vline 
WA_PCNLSRQTAXITEML_STR-REPORTINGCOUNTRY sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXRETURNCOUNTRY sy-vline 
WA_PCNLSRQTAXITEML_STR-EXCHANGERATE sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXRATE sy-vline 
WA_PCNLSRQTAXITEML_STR-GLACCOUNT sy-vline 
WA_PCNLSRQTAXITEML_STR-BUSINESSPLACE sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXJURISDICTION sy-vline 
WA_PCNLSRQTAXITEML_STR-LOWESTLEVELTAXJURISDICTION sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXNUMBER1 sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXNUMBER2 sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXNUMBER3 sy-vline 
WA_PCNLSRQTAXITEML_STR-BUSINESSPARTNER sy-vline 
WA_PCNLSRQTAXITEML_STR-BUSINESSPARTNERNAME sy-vline 
WA_PCNLSRQTAXITEML_STR-CUSTOMERSUPPLIERADDRESS sy-vline 
WA_PCNLSRQTAXITEML_STR-TAXTYPE sy-vline 
WA_PCNLSRQTAXITEML_STR-TARGETTAXCODE sy-vline 
WA_PCNLSRQTAXITEML_STR-REPORTINGCURRENCY sy-vline 
WA_PCNLSRQTAXITEML_STR-AMOUNTINREPORTINGCURRENCY sy-vline 
WA_PCNLSRQTAXITEML_STR-DOCUMENTCURRENCY sy-vline 
WA_PCNLSRQTAXITEML_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_PCNLSRQTAXITEML_STR-ADDITIONALCURRENCY1 sy-vline 
WA_PCNLSRQTAXITEML_STR-AMOUNTINADDITIONALCURRENCY1 sy-vline 
WA_PCNLSRQTAXITEML_STR-ADDITIONALCURRENCY2 sy-vline 
WA_PCNLSRQTAXITEML_STR-AMOUNTINADDITIONALCURRENCY2 sy-vline 
WA_PCNLSRQTAXITEML_STR-LANGUAGE sy-vline 
WA_PCNLSRQTAXITEML_STR-SENDERCOMPANYCODE sy-vline 
WA_PCNLSRQTAXITEML_STR-SENDERACCOUNTINGDOCUMENT sy-vline 
WA_PCNLSRQTAXITEML_STR-SENDERFISCALYEAR sy-vline 
WA_PCNLSRQTAXITEML_STR-ACCOUNTINGDOCUMENTHEADERTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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