ABAP Select data from SAP table FAC_S_ACCRUALS_POSTING_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAC_S_ACCRUALS_POSTING_ITEM
*  INTO TABLE @DATA(IT_FAC_S_ACCRUALS_POSTING_ITEM2).
*--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_FAC_S_ACCRUALS_POSTING_ITEM INDEX 1 INTO DATA(WA_FAC_S_ACCRUALS_POSTING_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAC_S_ACCRUALS_POSTING_ITEM>-GENERATED_ID = 1.
<FAC_S_ACCRUALS_POSTING_ITEM>-ACCRUALENGINEACCRUALOBJECTTYPE = 1.
<FAC_S_ACCRUALS_POSTING_ITEM>-ACCRUALOBJECTLOGICALSYSTEM = 1.
<FAC_S_ACCRUALS_POSTING_ITEM>-COMPANYCODE = 1.
<FAC_S_ACCRUALS_POSTING_ITEM>-ACCRUALITEMTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAC_S_ACCRUALS_POSTING_ITEM-LEDGER, sy-vline,
  WA_FAC_S_ACCRUALS_POSTING_ITEM-LEDGERGROUP, sy-vline,
  WA_FAC_S_ACCRUALS_POSTING_ITEM-ACCRUALOBJECT, sy-vline,
  WA_FAC_S_ACCRUALS_POSTING_ITEM-ACCRUALSUBOBJECT, sy-vline,
  WA_FAC_S_ACCRUALS_POSTING_ITEM-FISCALYEAR, sy-vline,
  WA_FAC_S_ACCRUALS_POSTING_ITEM-LEDGERFISCALPERIOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAC_S_ACCRUALS_POSTING_ITEM 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_FAC_S_ACCRUALS_POSTING_ITEM 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_FAC_S_ACCRUALS_POSTING_ITEM INTO WA_FAC_S_ACCRUALS_POSTING_ITEM.


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

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

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

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

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

*Conversion exit AU132, internal->external for field AMOUNTINTRANSACTIONCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_ACCRUALS_POSTING_ITEM-AMOUNTINTRANSACTIONCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_ACCRUALS_POSTING_ITEM-AMOUNTINTRANSACTIONCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field AMOUNTINCOCODECRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_ACCRUALS_POSTING_ITEM-AMOUNTINCOCODECRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_ACCRUALS_POSTING_ITEM-AMOUNTINCOCODECRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_ACCRUALS_POSTING_ITEM-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_ACCRUALS_POSTING_ITEM-UNITOFMEASURE.
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_FAC_S_ACCRUALS_POSTING_ITEM_STR, 
GENERATED_ID TYPE STRING,
ACCRUALENGINEACCRUALOBJECTTYPE TYPE STRING,
ACCRUALOBJECTLOGICALSYSTEM TYPE STRING,
COMPANYCODE TYPE STRING,
ACCRUALITEMTYPE TYPE STRING,
LEDGER TYPE STRING,
LEDGERGROUP TYPE STRING,
ACCRUALOBJECT TYPE STRING,
ACCRUALSUBOBJECT TYPE STRING,
FISCALYEAR TYPE STRING,
LEDGERFISCALPERIOD TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
FINANCIALACCRUALTRANSACTYPE TYPE STRING,
AMOUNTINTRANSACTIONCRCY TYPE STRING,
AMOUNTINCOCODECRCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
QUANTITY TYPE STRING,
UNITOFMEASURE TYPE STRING,
POSTINGDATE TYPE STRING,
ACCRUALVALUEDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAC_S_ACCRUALS_POSTING_ITEM_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_FAC_S_ACCRUALS_POSTING_ITEM_STR-GENERATED_ID sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-ACCRUALENGINEACCRUALOBJECTTYPE sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-ACCRUALOBJECTLOGICALSYSTEM sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-COMPANYCODE sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-ACCRUALITEMTYPE sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-LEDGER sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-LEDGERGROUP sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-ACCRUALOBJECT sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-ACCRUALSUBOBJECT sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-FISCALYEAR sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-LEDGERFISCALPERIOD sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-FINANCIALACCRUALTRANSACTYPE sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-AMOUNTINTRANSACTIONCRCY sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-AMOUNTINCOCODECRCY sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-TRANSACTIONCURRENCY sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-COMPANYCODECURRENCY sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-QUANTITY sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-UNITOFMEASURE sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-POSTINGDATE sy-vline 
WA_FAC_S_ACCRUALS_POSTING_ITEM_STR-ACCRUALVALUEDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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