ABAP Select data from SAP table IARDEBTOROVW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IARDEBTOROVW
*  INTO TABLE @DATA(IT_IARDEBTOROVW2).
*--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_IARDEBTOROVW INDEX 1 INTO DATA(WA_IARDEBTOROVW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IARDEBTOROVW>-MANDT = 1.
<IARDEBTOROVW>-COMPANYCODE = 1.
<IARDEBTOROVW>-CUSTOMER = 1.
<IARDEBTOROVW>-ACCOUNTINGCLERK = 1.
<IARDEBTOROVW>-COUNTRY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IARDEBTOROVW-RECONCILIATIONACCOUNT, sy-vline,
  WA_IARDEBTOROVW-DISPLAYCURRENCY, sy-vline,
  WA_IARDEBTOROVW-NETDUEINTVL1AMTINDSPCRCY, sy-vline,
  WA_IARDEBTOROVW-NETDUEINTVL2AMTINDSPCRCY, sy-vline,
  WA_IARDEBTOROVW-NETDUEINTVL3AMTINDSPCRCY, sy-vline,
  WA_IARDEBTOROVW-NETDUELASTINTVLAMTINDSPCRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IARDEBTOROVW 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_IARDEBTOROVW 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_IARDEBTOROVW INTO WA_IARDEBTOROVW.


*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 CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IARDEBTOROVW-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IARDEBTOROVW-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECONCILIATIONACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IARDEBTOROVW-RECONCILIATIONACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IARDEBTOROVW-RECONCILIATIONACCOUNT.
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_IARDEBTOROVW_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
CUSTOMER TYPE STRING,
ACCOUNTINGCLERK TYPE STRING,
COUNTRY TYPE STRING,
RECONCILIATIONACCOUNT TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
NETDUEINTVL1AMTINDSPCRCY TYPE STRING,
NETDUEINTVL2AMTINDSPCRCY TYPE STRING,
NETDUEINTVL3AMTINDSPCRCY TYPE STRING,
NETDUELASTINTVLAMTINDSPCRCY TYPE STRING,
TOTALNOTOVRDAMTINDSPCRCY TYPE STRING,
CUSTOMERNAME TYPE STRING,
CUSTOMERBASICAUTHORIZATIONGRP TYPE STRING,
CUSTOMERFINSAUTHORIZATIONGRP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IARDEBTOROVW_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_IARDEBTOROVW_STR-MANDT sy-vline 
WA_IARDEBTOROVW_STR-COMPANYCODE sy-vline 
WA_IARDEBTOROVW_STR-CUSTOMER sy-vline 
WA_IARDEBTOROVW_STR-ACCOUNTINGCLERK sy-vline 
WA_IARDEBTOROVW_STR-COUNTRY sy-vline 
WA_IARDEBTOROVW_STR-RECONCILIATIONACCOUNT sy-vline 
WA_IARDEBTOROVW_STR-DISPLAYCURRENCY sy-vline 
WA_IARDEBTOROVW_STR-NETDUEINTVL1AMTINDSPCRCY sy-vline 
WA_IARDEBTOROVW_STR-NETDUEINTVL2AMTINDSPCRCY sy-vline 
WA_IARDEBTOROVW_STR-NETDUEINTVL3AMTINDSPCRCY sy-vline 
WA_IARDEBTOROVW_STR-NETDUELASTINTVLAMTINDSPCRCY sy-vline 
WA_IARDEBTOROVW_STR-TOTALNOTOVRDAMTINDSPCRCY sy-vline 
WA_IARDEBTOROVW_STR-CUSTOMERNAME sy-vline 
WA_IARDEBTOROVW_STR-CUSTOMERBASICAUTHORIZATIONGRP sy-vline 
WA_IARDEBTOROVW_STR-CUSTOMERFINSAUTHORIZATIONGRP sy-vline      INTO ld_text SEPARATED BY SPACE.

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