ABAP Select data from SAP table ILUSAFTGENLEDI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ILUSAFTGENLEDI
*  INTO TABLE @DATA(IT_ILUSAFTGENLEDI2).
*--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_ILUSAFTGENLEDI INDEX 1 INTO DATA(WA_ILUSAFTGENLEDI2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ILUSAFTGENLEDI-LEDGER, sy-vline,
  WA_ILUSAFTGENLEDI-JOURNALENTRYTYPE, sy-vline,
  WA_ILUSAFTGENLEDI-SAFTGENERALLEDGERACCOUNTID, sy-vline,
  WA_ILUSAFTGENLEDI-GLACCOUNT, sy-vline,
  WA_ILUSAFTGENLEDI-POSTINGDATE, sy-vline,
  WA_ILUSAFTGENLEDI-DOCUMENTITEMTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ILUSAFTGENLEDI 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_ILUSAFTGENLEDI 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_ILUSAFTGENLEDI INTO WA_ILUSAFTGENLEDI.


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

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

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

*Conversion exit ALPHA, internal->external for field GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ILUSAFTGENLEDI-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ILUSAFTGENLEDI-GLACCOUNT.
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_ILUSAFTGENLEDI_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
LEDGER TYPE STRING,
JOURNALENTRYTYPE TYPE STRING,
SAFTGENERALLEDGERACCOUNTID TYPE STRING,
GLACCOUNT TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
DEBITCREDITCODE TYPE STRING,
SUPPLIERTOPARTNER TYPE STRING,
BUSINESSPARTNERCUSTOMER TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
DEBITAMOUNTINCOCODECRCY TYPE STRING,
CREDITAMOUNTINCOCODECRCY TYPE STRING,
TAXCODE TYPE STRING,
ACCOUNTINGDOCUMENTITEMTYPE TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
BPIDENTIFICATIONNUMBER TYPE STRING,
VATREGISTRATION TYPE STRING,
ACCOUNTTAXTYPEDESCRIPTION TYPE STRING,
ALPHANUMERICTAXCODE TYPE STRING,
TAXRATE TYPE STRING,
TAXBASEAMOUNT TYPE STRING,
TAXAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
TAXAMOUNTINRPTGCRCY TYPE STRING,
EXCHANGERATE TYPE STRING,
PURGDOCTRANSACTIONCURRENCY TYPE STRING,
PURORDTRANSACTIONCURRENCY TYPE STRING,
CREDITDATAEXCHANGERATE TYPE STRING,
ACCOUNTINGEXCHANGERATE TYPE STRING,
CREDITAMOUNTINTRANSCRCY TYPE STRING,
DEBITAMOUNTINTRANSCRCY TYPE STRING,
TAXCODEDESCRIPTION TYPE STRING,
STATRYRPTGENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ILUSAFTGENLEDI_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_ILUSAFTGENLEDI_STR-MANDT sy-vline 
WA_ILUSAFTGENLEDI_STR-COMPANYCODE sy-vline 
WA_ILUSAFTGENLEDI_STR-FISCALYEAR sy-vline 
WA_ILUSAFTGENLEDI_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_ILUSAFTGENLEDI_STR-LEDGERGLLINEITEM sy-vline 
WA_ILUSAFTGENLEDI_STR-LEDGER sy-vline 
WA_ILUSAFTGENLEDI_STR-JOURNALENTRYTYPE sy-vline 
WA_ILUSAFTGENLEDI_STR-SAFTGENERALLEDGERACCOUNTID sy-vline 
WA_ILUSAFTGENLEDI_STR-GLACCOUNT sy-vline 
WA_ILUSAFTGENLEDI_STR-POSTINGDATE sy-vline 
WA_ILUSAFTGENLEDI_STR-DOCUMENTITEMTEXT sy-vline 
WA_ILUSAFTGENLEDI_STR-DEBITCREDITCODE sy-vline 
WA_ILUSAFTGENLEDI_STR-SUPPLIERTOPARTNER sy-vline 
WA_ILUSAFTGENLEDI_STR-BUSINESSPARTNERCUSTOMER sy-vline 
WA_ILUSAFTGENLEDI_STR-COMPANYCODECURRENCY sy-vline 
WA_ILUSAFTGENLEDI_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_ILUSAFTGENLEDI_STR-DEBITAMOUNTINCOCODECRCY sy-vline 
WA_ILUSAFTGENLEDI_STR-CREDITAMOUNTINCOCODECRCY sy-vline 
WA_ILUSAFTGENLEDI_STR-TAXCODE sy-vline 
WA_ILUSAFTGENLEDI_STR-ACCOUNTINGDOCUMENTITEMTYPE sy-vline 
WA_ILUSAFTGENLEDI_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_ILUSAFTGENLEDI_STR-BPIDENTIFICATIONNUMBER sy-vline 
WA_ILUSAFTGENLEDI_STR-VATREGISTRATION sy-vline 
WA_ILUSAFTGENLEDI_STR-ACCOUNTTAXTYPEDESCRIPTION sy-vline 
WA_ILUSAFTGENLEDI_STR-ALPHANUMERICTAXCODE sy-vline 
WA_ILUSAFTGENLEDI_STR-TAXRATE sy-vline 
WA_ILUSAFTGENLEDI_STR-TAXBASEAMOUNT sy-vline 
WA_ILUSAFTGENLEDI_STR-TAXAMOUNT sy-vline 
WA_ILUSAFTGENLEDI_STR-DOCUMENTCURRENCY sy-vline 
WA_ILUSAFTGENLEDI_STR-TAXAMOUNTINRPTGCRCY sy-vline 
WA_ILUSAFTGENLEDI_STR-EXCHANGERATE sy-vline 
WA_ILUSAFTGENLEDI_STR-PURGDOCTRANSACTIONCURRENCY sy-vline 
WA_ILUSAFTGENLEDI_STR-PURORDTRANSACTIONCURRENCY sy-vline 
WA_ILUSAFTGENLEDI_STR-CREDITDATAEXCHANGERATE sy-vline 
WA_ILUSAFTGENLEDI_STR-ACCOUNTINGEXCHANGERATE sy-vline 
WA_ILUSAFTGENLEDI_STR-CREDITAMOUNTINTRANSCRCY sy-vline 
WA_ILUSAFTGENLEDI_STR-DEBITAMOUNTINTRANSCRCY sy-vline 
WA_ILUSAFTGENLEDI_STR-TAXCODEDESCRIPTION sy-vline 
WA_ILUSAFTGENLEDI_STR-STATRYRPTGENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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