ABAP Select data from SAP table FIRUD_LNDT_RPITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIRUD_LNDT_RPITM
*  INTO TABLE @DATA(IT_FIRUD_LNDT_RPITM2).
*--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_FIRUD_LNDT_RPITM INDEX 1 INTO DATA(WA_FIRUD_LNDT_RPITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIRUD_LNDT_RPITM>-MANDT = 1.
<FIRUD_LNDT_RPITM>-STATRYRPTGENTITY = 1.
<FIRUD_LNDT_RPITM>-STATRYRPTCATEGORY = 1.
<FIRUD_LNDT_RPITM>-STATRYRPTRUNID = 1.
<FIRUD_LNDT_RPITM>-ITEMID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIRUD_LNDT_RPITM-COMPANYCODE, sy-vline,
  WA_FIRUD_LNDT_RPITM-MASTERFIXEDASSET, sy-vline,
  WA_FIRUD_LNDT_RPITM-FIXEDASSET, sy-vline,
  WA_FIRUD_LNDT_RPITM-INTERVALSTART, sy-vline,
  WA_FIRUD_LNDT_RPITM-INTERVALEND, sy-vline,
  WA_FIRUD_LNDT_RPITM-OKTMO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIRUD_LNDT_RPITM 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_FIRUD_LNDT_RPITM 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_FIRUD_LNDT_RPITM INTO WA_FIRUD_LNDT_RPITM.


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

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

*Conversion exit OKTMO, internal->external for field OKTMO
CALL FUNCTION 'CONVERSION_EXIT_OKTMO_OUTPUT'
  EXPORTING
    input =                      WA_FIRUD_LNDT_RPITM-OKTMO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRUD_LNDT_RPITM-OKTMO.
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_FIRUD_LNDT_RPITM_STR, 
MANDT TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
ITEMID TYPE STRING,
COMPANYCODE TYPE STRING,
MASTERFIXEDASSET TYPE STRING,
FIXEDASSET TYPE STRING,
INTERVALSTART TYPE STRING,
INTERVALEND TYPE STRING,
OKTMO TYPE STRING,
OWNERSHIPREGNDATE TYPE STRING,
OWNERSHIPTERMDATE TYPE STRING,
CADASTRALVALUE TYPE STRING,
OWNERSHIPRIGHTSHARE TYPE STRING,
TAXBASEREDUCNID TYPE STRING,
TAXBASEREDUCNMONTHS TYPE STRING,
TAXBASEREDUCNAMT TYPE STRING,
LANDPLOTAREA TYPE STRING,
LANDPLOTAREANONTAXABLE TYPE STRING,
TAXBASEAMT TYPE STRING,
TAXRATE TYPE STRING,
TAXAMTPERIOD TYPE STRING,
TAXRATEREDUCNID TYPE STRING,
TAXRATEREDUCED TYPE STRING,
TAXRATEREDUCNMONTHS TYPE STRING,
TAXAMTREDUCNID TYPE STRING,
TAXAMTREDUCNMONTHS TYPE STRING,
TAXAMTREDUCN TYPE STRING,
TAXAMTDWNPAYTQ1 TYPE STRING,
TAXAMTDWNPAYTQ2 TYPE STRING,
TAXAMTDWNPAYTQ3 TYPE STRING,
OWNERSHIPMONTHS TYPE STRING,
CADASTRALVALUEMONTHS TYPE STRING,
COEFFCONSTRUCTIONPERIOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIRUD_LNDT_RPITM_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_FIRUD_LNDT_RPITM_STR-MANDT sy-vline 
WA_FIRUD_LNDT_RPITM_STR-STATRYRPTGENTITY sy-vline 
WA_FIRUD_LNDT_RPITM_STR-STATRYRPTCATEGORY sy-vline 
WA_FIRUD_LNDT_RPITM_STR-STATRYRPTRUNID sy-vline 
WA_FIRUD_LNDT_RPITM_STR-ITEMID sy-vline 
WA_FIRUD_LNDT_RPITM_STR-COMPANYCODE sy-vline 
WA_FIRUD_LNDT_RPITM_STR-MASTERFIXEDASSET sy-vline 
WA_FIRUD_LNDT_RPITM_STR-FIXEDASSET sy-vline 
WA_FIRUD_LNDT_RPITM_STR-INTERVALSTART sy-vline 
WA_FIRUD_LNDT_RPITM_STR-INTERVALEND sy-vline 
WA_FIRUD_LNDT_RPITM_STR-OKTMO sy-vline 
WA_FIRUD_LNDT_RPITM_STR-OWNERSHIPREGNDATE sy-vline 
WA_FIRUD_LNDT_RPITM_STR-OWNERSHIPTERMDATE sy-vline 
WA_FIRUD_LNDT_RPITM_STR-CADASTRALVALUE sy-vline 
WA_FIRUD_LNDT_RPITM_STR-OWNERSHIPRIGHTSHARE sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXBASEREDUCNID sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXBASEREDUCNMONTHS sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXBASEREDUCNAMT sy-vline 
WA_FIRUD_LNDT_RPITM_STR-LANDPLOTAREA sy-vline 
WA_FIRUD_LNDT_RPITM_STR-LANDPLOTAREANONTAXABLE sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXBASEAMT sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXRATE sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXAMTPERIOD sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXRATEREDUCNID sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXRATEREDUCED sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXRATEREDUCNMONTHS sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXAMTREDUCNID sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXAMTREDUCNMONTHS sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXAMTREDUCN sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXAMTDWNPAYTQ1 sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXAMTDWNPAYTQ2 sy-vline 
WA_FIRUD_LNDT_RPITM_STR-TAXAMTDWNPAYTQ3 sy-vline 
WA_FIRUD_LNDT_RPITM_STR-OWNERSHIPMONTHS sy-vline 
WA_FIRUD_LNDT_RPITM_STR-CADASTRALVALUEMONTHS sy-vline 
WA_FIRUD_LNDT_RPITM_STR-COEFFCONSTRUCTIONPERIOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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