ABAP Select data from SAP table ISRARWHLDGTXITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISRARWHLDGTXITM
*  INTO TABLE @DATA(IT_ISRARWHLDGTXITM2).
*--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_ISRARWHLDGTXITM INDEX 1 INTO DATA(WA_ISRARWHLDGTXITM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISRARWHLDGTXITM-WITHHOLDINGTAXTYPE, sy-vline,
  WA_ISRARWHLDGTXITM-STATRYRPTGENTITY, sy-vline,
  WA_ISRARWHLDGTXITM-STATRYRPTCATEGORY, sy-vline,
  WA_ISRARWHLDGTXITM-STATRYRPTRUNID, sy-vline,
  WA_ISRARWHLDGTXITM-COUNTRY, sy-vline,
  WA_ISRARWHLDGTXITM-BUSINESSPARTNERCOUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISRARWHLDGTXITM 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_ISRARWHLDGTXITM 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_ISRARWHLDGTXITM INTO WA_ISRARWHLDGTXITM.


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

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

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

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISRARWHLDGTXITM-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRARWHLDGTXITM-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_ISRARWHLDGTXITM_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
WITHHOLDINGTAXTYPE TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
COUNTRY TYPE STRING,
BUSINESSPARTNERCOUNTRY TYPE STRING,
OFFICIALWHLDGTAXCODE TYPE STRING,
POSTINGDATE TYPE STRING,
SUPPLIER TYPE STRING,
AR_SUPPLIERVATSTATUS TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
WHLDGTAXAMTINCOCODECRCY TYPE STRING,
WHLDGTAXBASEAMTINCOCODECRCY TYPE STRING,
AR_SUPPLIERHASWHLDGEXEMPTION TYPE STRING,
WITHHOLDINGTAXEXMPTPERCENT TYPE STRING,
EXEMPTIONDATEBEGIN TYPE STRING,
DOCUMENTDATE TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
TAXNUMBER1 TYPE STRING,
ISREVERSED TYPE STRING,
ISREVERSAL TYPE STRING,
TAXITEMISZERORATED TYPE STRING,
BUSINESSPARTNER TYPE STRING,
ITEMISREPORTINGRELEVANT TYPE STRING,
WHLDGTAXDOCUMENTTYPE TYPE STRING,
WITHHOLDINGTAXCODE TYPE STRING,
NATIONALTAXCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISRARWHLDGTXITM_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_ISRARWHLDGTXITM_STR-MANDT sy-vline 
WA_ISRARWHLDGTXITM_STR-COMPANYCODE sy-vline 
WA_ISRARWHLDGTXITM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_ISRARWHLDGTXITM_STR-FISCALYEAR sy-vline 
WA_ISRARWHLDGTXITM_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_ISRARWHLDGTXITM_STR-WITHHOLDINGTAXTYPE sy-vline 
WA_ISRARWHLDGTXITM_STR-STATRYRPTGENTITY sy-vline 
WA_ISRARWHLDGTXITM_STR-STATRYRPTCATEGORY sy-vline 
WA_ISRARWHLDGTXITM_STR-STATRYRPTRUNID sy-vline 
WA_ISRARWHLDGTXITM_STR-COUNTRY sy-vline 
WA_ISRARWHLDGTXITM_STR-BUSINESSPARTNERCOUNTRY sy-vline 
WA_ISRARWHLDGTXITM_STR-OFFICIALWHLDGTAXCODE sy-vline 
WA_ISRARWHLDGTXITM_STR-POSTINGDATE sy-vline 
WA_ISRARWHLDGTXITM_STR-SUPPLIER sy-vline 
WA_ISRARWHLDGTXITM_STR-AR_SUPPLIERVATSTATUS sy-vline 
WA_ISRARWHLDGTXITM_STR-REPORTINGCURRENCY sy-vline 
WA_ISRARWHLDGTXITM_STR-WHLDGTAXAMTINCOCODECRCY sy-vline 
WA_ISRARWHLDGTXITM_STR-WHLDGTAXBASEAMTINCOCODECRCY sy-vline 
WA_ISRARWHLDGTXITM_STR-AR_SUPPLIERHASWHLDGEXEMPTION sy-vline 
WA_ISRARWHLDGTXITM_STR-WITHHOLDINGTAXEXMPTPERCENT sy-vline 
WA_ISRARWHLDGTXITM_STR-EXEMPTIONDATEBEGIN sy-vline 
WA_ISRARWHLDGTXITM_STR-DOCUMENTDATE sy-vline 
WA_ISRARWHLDGTXITM_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_ISRARWHLDGTXITM_STR-TAXNUMBER1 sy-vline 
WA_ISRARWHLDGTXITM_STR-ISREVERSED sy-vline 
WA_ISRARWHLDGTXITM_STR-ISREVERSAL sy-vline 
WA_ISRARWHLDGTXITM_STR-TAXITEMISZERORATED sy-vline 
WA_ISRARWHLDGTXITM_STR-BUSINESSPARTNER sy-vline 
WA_ISRARWHLDGTXITM_STR-ITEMISREPORTINGRELEVANT sy-vline 
WA_ISRARWHLDGTXITM_STR-WHLDGTAXDOCUMENTTYPE sy-vline 
WA_ISRARWHLDGTXITM_STR-WITHHOLDINGTAXCODE sy-vline 
WA_ISRARWHLDGTXITM_STR-NATIONALTAXCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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