ABAP Select data from SAP table ISTRPGSTANX into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISTRPGSTANX 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 ISTRPGSTANX. 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 ISTRPGSTANX 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_ISTRPGSTANX TYPE STANDARD TABLE OF ISTRPGSTANX,
      WA_ISTRPGSTANX TYPE ISTRPGSTANX,
      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: <ISTRPGSTANX> TYPE ISTRPGSTANX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISTRPGSTANX
*  INTO TABLE @DATA(IT_ISTRPGSTANX2).
*--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_ISTRPGSTANX INDEX 1 INTO DATA(WA_ISTRPGSTANX2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISTRPGSTANX-STATRYRPTCATEGORY, sy-vline,
  WA_ISTRPGSTANX-STATRYRPTRUNID, sy-vline,
  WA_ISTRPGSTANX-TAXCODE, sy-vline,
  WA_ISTRPGSTANX-TAXCALCULATIONPROCEDURE, sy-vline,
  WA_ISTRPGSTANX-TAXRATE, sy-vline,
  WA_ISTRPGSTANX-DOCUMENTREFERENCEID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISTRPGSTANX 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_ISTRPGSTANX 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_ISTRPGSTANX INTO WA_ISTRPGSTANX.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISTRPGSTANX-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISTRPGSTANX-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_ISTRPGSTANX_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,
TAXCALCULATIONPROCEDURE TYPE STRING,
TAXRATE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
POSTINGDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
FISCALPERIOD TYPE STRING,
ISREVERSAL TYPE STRING,
ISREVERSED TYPE STRING,
INVOICEREFERENCE TYPE STRING,
INVOICEREFERENCEFISCALYEAR TYPE STRING,
INVOICEITEMREFERENCE TYPE STRING,
FOLLOWONDOCUMENTTYPE TYPE STRING,
IN_GSTPLACEOFSUPPLY TYPE STRING,
IN_HSNORSACCODE TYPE STRING,
COUNTRY TYPE STRING,
CUSTOMERTAXCLASSIFICATION TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
TAXITEMGROUP TYPE STRING,
IN_GSTDOCUMENTTYPE TYPE STRING,
DEBITCREDITCODE TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
BUSINESSPARTNER TYPE STRING,
TAXNUMBER3 TYPE STRING,
DOCUMENTDATE TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
BUSINESSPLACE TYPE STRING,
IN_GSTLEGALSTATECODE TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
IN_CENTRALGSTAMOUNT TYPE STRING,
IN_STATEGSTAMOUNT TYPE STRING,
IN_CESSGSTAMTINCOCODECRCY TYPE STRING,
IN_INTEGRATEDGSTAMOUNT TYPE STRING,
IN_TOTALGSTAMTINCOCODECRCY TYPE STRING,
IN_GSTSECTION7 TYPE STRING,
IN_GSTSECTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISTRPGSTANX_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_ISTRPGSTANX_STR-MANDT sy-vline 
WA_ISTRPGSTANX_STR-COMPANYCODE sy-vline 
WA_ISTRPGSTANX_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_ISTRPGSTANX_STR-FISCALYEAR sy-vline 
WA_ISTRPGSTANX_STR-STATRYRPTGENTITY sy-vline 
WA_ISTRPGSTANX_STR-STATRYRPTCATEGORY sy-vline 
WA_ISTRPGSTANX_STR-STATRYRPTRUNID sy-vline 
WA_ISTRPGSTANX_STR-TAXCODE sy-vline 
WA_ISTRPGSTANX_STR-TAXCALCULATIONPROCEDURE sy-vline 
WA_ISTRPGSTANX_STR-TAXRATE sy-vline 
WA_ISTRPGSTANX_STR-DOCUMENTREFERENCEID sy-vline 
WA_ISTRPGSTANX_STR-POSTINGDATE sy-vline 
WA_ISTRPGSTANX_STR-TAXREPORTINGDATE sy-vline 
WA_ISTRPGSTANX_STR-REPORTINGDATE sy-vline 
WA_ISTRPGSTANX_STR-FISCALPERIOD sy-vline 
WA_ISTRPGSTANX_STR-ISREVERSAL sy-vline 
WA_ISTRPGSTANX_STR-ISREVERSED sy-vline 
WA_ISTRPGSTANX_STR-INVOICEREFERENCE sy-vline 
WA_ISTRPGSTANX_STR-INVOICEREFERENCEFISCALYEAR sy-vline 
WA_ISTRPGSTANX_STR-INVOICEITEMREFERENCE sy-vline 
WA_ISTRPGSTANX_STR-FOLLOWONDOCUMENTTYPE sy-vline 
WA_ISTRPGSTANX_STR-IN_GSTPLACEOFSUPPLY sy-vline 
WA_ISTRPGSTANX_STR-IN_HSNORSACCODE sy-vline 
WA_ISTRPGSTANX_STR-COUNTRY sy-vline 
WA_ISTRPGSTANX_STR-CUSTOMERTAXCLASSIFICATION sy-vline 
WA_ISTRPGSTANX_STR-CUSTOMER sy-vline 
WA_ISTRPGSTANX_STR-SUPPLIER sy-vline 
WA_ISTRPGSTANX_STR-SUPPLIERNAME sy-vline 
WA_ISTRPGSTANX_STR-TAXITEMGROUP sy-vline 
WA_ISTRPGSTANX_STR-IN_GSTDOCUMENTTYPE sy-vline 
WA_ISTRPGSTANX_STR-DEBITCREDITCODE sy-vline 
WA_ISTRPGSTANX_STR-BUSINESSPARTNERNAME sy-vline 
WA_ISTRPGSTANX_STR-BUSINESSPARTNER sy-vline 
WA_ISTRPGSTANX_STR-TAXNUMBER3 sy-vline 
WA_ISTRPGSTANX_STR-DOCUMENTDATE sy-vline 
WA_ISTRPGSTANX_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_ISTRPGSTANX_STR-COMPANYCODECURRENCY sy-vline 
WA_ISTRPGSTANX_STR-BUSINESSPLACE sy-vline 
WA_ISTRPGSTANX_STR-IN_GSTLEGALSTATECODE sy-vline 
WA_ISTRPGSTANX_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_ISTRPGSTANX_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_ISTRPGSTANX_STR-IN_CENTRALGSTAMOUNT sy-vline 
WA_ISTRPGSTANX_STR-IN_STATEGSTAMOUNT sy-vline 
WA_ISTRPGSTANX_STR-IN_CESSGSTAMTINCOCODECRCY sy-vline 
WA_ISTRPGSTANX_STR-IN_INTEGRATEDGSTAMOUNT sy-vline 
WA_ISTRPGSTANX_STR-IN_TOTALGSTAMTINCOCODECRCY sy-vline 
WA_ISTRPGSTANX_STR-IN_GSTSECTION7 sy-vline 
WA_ISTRPGSTANX_STR-IN_GSTSECTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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