ABAP Select data from SAP table IFIDEPRAREACOMP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFIDEPRAREACOMP
*  INTO TABLE @DATA(IT_IFIDEPRAREACOMP2).
*--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_IFIDEPRAREACOMP INDEX 1 INTO DATA(WA_IFIDEPRAREACOMP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFIDEPRAREACOMP>-MANDT = 1.
<IFIDEPRAREACOMP>-COMPANYCODE = 1.
<IFIDEPRAREACOMP>-ASSETDEPRECIATIONAREA = 1.
<IFIDEPRAREACOMP>-ISREALDEPRECIATIONAREA = 1.
<IFIDEPRAREACOMP>-ASSETREALDEPRECIATIONAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFIDEPRAREACOMP-CHARTOFDEPRECIATION, sy-vline,
  WA_IFIDEPRAREACOMP-ACCOUNTINGPRINCIPLE, sy-vline,
  WA_IFIDEPRAREACOMP-LEDGERGROUP, sy-vline,
  WA_IFIDEPRAREACOMP-ASSETGLPOSTINGMETHOD, sy-vline,
  WA_IFIDEPRAREACOMP-CURRENCY, sy-vline,
  WA_IFIDEPRAREACOMP-ASSETACCTGLASTCLOSEDFISCALYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFIDEPRAREACOMP 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_IFIDEPRAREACOMP 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_IFIDEPRAREACOMP INTO WA_IFIDEPRAREACOMP.


*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 ASSETACCTGLASTCLOSEDFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IFIDEPRAREACOMP-ASSETACCTGLASTCLOSEDFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFIDEPRAREACOMP-ASSETACCTGLASTCLOSEDFISCALYEAR.
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_IFIDEPRAREACOMP_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ASSETDEPRECIATIONAREA TYPE STRING,
ISREALDEPRECIATIONAREA TYPE STRING,
ASSETREALDEPRECIATIONAREA TYPE STRING,
CHARTOFDEPRECIATION TYPE STRING,
ACCOUNTINGPRINCIPLE TYPE STRING,
LEDGERGROUP TYPE STRING,
ASSETGLPOSTINGMETHOD TYPE STRING,
CURRENCY TYPE STRING,
ASSETACCTGLASTCLOSEDFISCALYEAR TYPE STRING,
FINANCIALSTATEMENTVARIANT TYPE STRING,
ISVALUEREFERENCEDEPRAREA TYPE STRING,
VALUEREFERENCEDEPRECIATIONAREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFIDEPRAREACOMP_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_IFIDEPRAREACOMP_STR-MANDT sy-vline 
WA_IFIDEPRAREACOMP_STR-COMPANYCODE sy-vline 
WA_IFIDEPRAREACOMP_STR-ASSETDEPRECIATIONAREA sy-vline 
WA_IFIDEPRAREACOMP_STR-ISREALDEPRECIATIONAREA sy-vline 
WA_IFIDEPRAREACOMP_STR-ASSETREALDEPRECIATIONAREA sy-vline 
WA_IFIDEPRAREACOMP_STR-CHARTOFDEPRECIATION sy-vline 
WA_IFIDEPRAREACOMP_STR-ACCOUNTINGPRINCIPLE sy-vline 
WA_IFIDEPRAREACOMP_STR-LEDGERGROUP sy-vline 
WA_IFIDEPRAREACOMP_STR-ASSETGLPOSTINGMETHOD sy-vline 
WA_IFIDEPRAREACOMP_STR-CURRENCY sy-vline 
WA_IFIDEPRAREACOMP_STR-ASSETACCTGLASTCLOSEDFISCALYEAR sy-vline 
WA_IFIDEPRAREACOMP_STR-FINANCIALSTATEMENTVARIANT sy-vline 
WA_IFIDEPRAREACOMP_STR-ISVALUEREFERENCEDEPRAREA sy-vline 
WA_IFIDEPRAREACOMP_STR-VALUEREFERENCEDEPRECIATIONAREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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