ABAP Select data from SAP table ILUSAFTGLENTRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ILUSAFTGLENTRY
*  INTO TABLE @DATA(IT_ILUSAFTGLENTRY2).
*--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_ILUSAFTGLENTRY INDEX 1 INTO DATA(WA_ILUSAFTGLENTRY2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ILUSAFTGLENTRY-ACCOUNTINGDOCUMENTITEM, sy-vline,
  WA_ILUSAFTGLENTRY-DOCUMENTTRANSACTION, sy-vline,
  WA_ILUSAFTGLENTRY-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_ILUSAFTGLENTRY-DOCUMENTDATE, sy-vline,
  WA_ILUSAFTGLENTRY-POSTINGDATE, sy-vline,
  WA_ILUSAFTGLENTRY-FISCALPERIOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ILUSAFTGLENTRY 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_ILUSAFTGLENTRY 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_ILUSAFTGLENTRY INTO WA_ILUSAFTGLENTRY.


*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_ILUSAFTGLENTRY-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ILUSAFTGLENTRY-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ILUSAFTGLENTRY-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ILUSAFTGLENTRY-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_ILUSAFTGLENTRY_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGER TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
DOCUMENTTRANSACTION TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
FISCALPERIOD TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
ACCOUNTINGDOCCREATEDBYUSER TYPE STRING,
ACCOUNTINGDOCUMENTCREATIONDATE TYPE STRING,
EXCHANGERATE TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
LEDGERFISCALYEAR TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
GLACCOUNT TYPE STRING,
SPECIALGLCODE TYPE STRING,
TAXCODE TYPE STRING,
TAXCALCULATIONPROCEDURE TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
DEBITCREDITCODE TYPE STRING,
ISREVERSAL TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
ACCOUNTINGDOCUMENTITEMTYPE TYPE STRING,
VATREGISTRATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ILUSAFTGLENTRY_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_ILUSAFTGLENTRY_STR-MANDT sy-vline 
WA_ILUSAFTGLENTRY_STR-COMPANYCODE sy-vline 
WA_ILUSAFTGLENTRY_STR-FISCALYEAR sy-vline 
WA_ILUSAFTGLENTRY_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_ILUSAFTGLENTRY_STR-LEDGER sy-vline 
WA_ILUSAFTGLENTRY_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_ILUSAFTGLENTRY_STR-DOCUMENTTRANSACTION sy-vline 
WA_ILUSAFTGLENTRY_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_ILUSAFTGLENTRY_STR-DOCUMENTDATE sy-vline 
WA_ILUSAFTGLENTRY_STR-POSTINGDATE sy-vline 
WA_ILUSAFTGLENTRY_STR-FISCALPERIOD sy-vline 
WA_ILUSAFTGLENTRY_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_ILUSAFTGLENTRY_STR-ACCOUNTINGDOCCREATEDBYUSER sy-vline 
WA_ILUSAFTGLENTRY_STR-ACCOUNTINGDOCUMENTCREATIONDATE sy-vline 
WA_ILUSAFTGLENTRY_STR-EXCHANGERATE sy-vline 
WA_ILUSAFTGLENTRY_STR-CUSTOMER sy-vline 
WA_ILUSAFTGLENTRY_STR-SUPPLIER sy-vline 
WA_ILUSAFTGLENTRY_STR-LEDGERGLLINEITEM sy-vline 
WA_ILUSAFTGLENTRY_STR-LEDGERFISCALYEAR sy-vline 
WA_ILUSAFTGLENTRY_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_ILUSAFTGLENTRY_STR-CHARTOFACCOUNTS sy-vline 
WA_ILUSAFTGLENTRY_STR-GLACCOUNT sy-vline 
WA_ILUSAFTGLENTRY_STR-SPECIALGLCODE sy-vline 
WA_ILUSAFTGLENTRY_STR-TAXCODE sy-vline 
WA_ILUSAFTGLENTRY_STR-TAXCALCULATIONPROCEDURE sy-vline 
WA_ILUSAFTGLENTRY_STR-DOCUMENTITEMTEXT sy-vline 
WA_ILUSAFTGLENTRY_STR-DEBITCREDITCODE sy-vline 
WA_ILUSAFTGLENTRY_STR-ISREVERSAL sy-vline 
WA_ILUSAFTGLENTRY_STR-COMPANYCODECURRENCY sy-vline 
WA_ILUSAFTGLENTRY_STR-TRANSACTIONCURRENCY sy-vline 
WA_ILUSAFTGLENTRY_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_ILUSAFTGLENTRY_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_ILUSAFTGLENTRY_STR-ACCOUNTINGDOCUMENTITEMTYPE sy-vline 
WA_ILUSAFTGLENTRY_STR-VATREGISTRATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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