ABAP Select data from SAP table INONFILERDUN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM INONFILERDUN
*  INTO TABLE @DATA(IT_INONFILERDUN2).
*--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_INONFILERDUN INDEX 1 INTO DATA(WA_INONFILERDUN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<INONFILERDUN>-MANDT = 1.
<INONFILERDUN>-CUSTOMEREVENTRECORDID = 1.
<INONFILERDUN>-BUSINESSPARTNER = 1.
<INONFILERDUN>-BHVRLINSGTSEVENTNUMBER = 1.
<INONFILERDUN>-BHVRLINSGTSEVENTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_INONFILERDUN-BHVRLINSGTSEVENTCATEGORYTXT, sy-vline,
  WA_INONFILERDUN-CUSTOMEREVENTSTARTDATE, sy-vline,
  WA_INONFILERDUN-CUSTOMEREVENTENDDATE, sy-vline,
  WA_INONFILERDUN-CUSTOMEREVENTSTARTDATETIME, sy-vline,
  WA_INONFILERDUN-CUSTOMEREVENTENDDATETIME, sy-vline,
  WA_INONFILERDUN-OPENAMOUNTINLOCALCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_INONFILERDUN 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_INONFILERDUN 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_INONFILERDUN INTO WA_INONFILERDUN.


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

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

*Conversion exit ALPHA, internal->external for field BHVRLINSGTSSUBACCOUNTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_INONFILERDUN-BHVRLINSGTSSUBACCOUNTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INONFILERDUN-BHVRLINSGTSSUBACCOUNTNUMBER.
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_INONFILERDUN_STR, 
MANDT TYPE STRING,
CUSTOMEREVENTRECORDID TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BHVRLINSGTSEVENTNUMBER TYPE STRING,
BHVRLINSGTSEVENTNAME TYPE STRING,
BHVRLINSGTSEVENTCATEGORYTXT TYPE STRING,
CUSTOMEREVENTSTARTDATE TYPE STRING,
CUSTOMEREVENTENDDATE TYPE STRING,
CUSTOMEREVENTSTARTDATETIME TYPE STRING,
CUSTOMEREVENTENDDATETIME TYPE STRING,
OPENAMOUNTINLOCALCURRENCY TYPE STRING,
CLEAREDAMOUNTINLOCALCURRENCY TYPE STRING,
LOCALCURRENCY TYPE STRING,
BHVRLINSGTSPERIODCODE TYPE STRING,
BHVRLINSGTSPERIODCODETXT TYPE STRING,
CUSTOMEREVENTVALUE TYPE STRING,
CUSTOMEREVENTVALUETXT TYPE STRING,
BHVRLINSGTSACCOUNTNUMBER TYPE STRING,
BHVRLINSGTSACCOUNTNAME TYPE STRING,
BHVRLINSGTSACCOUNTCATEGORY TYPE STRING,
BHVRLINSGTSACCOUNTCATEGORYTXT TYPE STRING,
BHVRLINSGTSSUBACCOUNTNUMBER TYPE STRING,
BHVRLINSGTSSUBACCOUNTNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_INONFILERDUN_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_INONFILERDUN_STR-MANDT sy-vline 
WA_INONFILERDUN_STR-CUSTOMEREVENTRECORDID sy-vline 
WA_INONFILERDUN_STR-BUSINESSPARTNER sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSEVENTNUMBER sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSEVENTNAME sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSEVENTCATEGORYTXT sy-vline 
WA_INONFILERDUN_STR-CUSTOMEREVENTSTARTDATE sy-vline 
WA_INONFILERDUN_STR-CUSTOMEREVENTENDDATE sy-vline 
WA_INONFILERDUN_STR-CUSTOMEREVENTSTARTDATETIME sy-vline 
WA_INONFILERDUN_STR-CUSTOMEREVENTENDDATETIME sy-vline 
WA_INONFILERDUN_STR-OPENAMOUNTINLOCALCURRENCY sy-vline 
WA_INONFILERDUN_STR-CLEAREDAMOUNTINLOCALCURRENCY sy-vline 
WA_INONFILERDUN_STR-LOCALCURRENCY sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSPERIODCODE sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSPERIODCODETXT sy-vline 
WA_INONFILERDUN_STR-CUSTOMEREVENTVALUE sy-vline 
WA_INONFILERDUN_STR-CUSTOMEREVENTVALUETXT sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSACCOUNTNUMBER sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSACCOUNTNAME sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSACCOUNTCATEGORY sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSACCOUNTCATEGORYTXT sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSSUBACCOUNTNUMBER sy-vline 
WA_INONFILERDUN_STR-BHVRLINSGTSSUBACCOUNTNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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