ABAP Select data from SAP table PRULNDTITEM1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRULNDTITEM1 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 PRULNDTITEM1. 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 PRULNDTITEM1 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_PRULNDTITEM1 TYPE STANDARD TABLE OF PRULNDTITEM1,
      WA_PRULNDTITEM1 TYPE PRULNDTITEM1,
      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: <PRULNDTITEM1> TYPE PRULNDTITEM1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRULNDTITEM1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRULNDTITEM1
  INTO TABLE IT_PRULNDTITEM1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRULNDTITEM1
*  INTO TABLE @DATA(IT_PRULNDTITEM12).
*--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_PRULNDTITEM1 INDEX 1 INTO DATA(WA_PRULNDTITEM12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRULNDTITEM1 ASSIGNING <PRULNDTITEM1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRULNDTITEM1>-MANDT = 1.
<PRULNDTITEM1>-STATRYRPTGENTITY = 1.
<PRULNDTITEM1>-STATRYRPTCATEGORY = 1.
<PRULNDTITEM1>-STATRYRPTRUNID = 1.
<PRULNDTITEM1>-RU_LANDTAXITEMNUMBER = 1.

ENDLOOP.

LOOP AT IT_PRULNDTITEM1 INTO WA_PRULNDTITEM1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRULNDTITEM1-COMPANYCODE, sy-vline,
  WA_PRULNDTITEM1-MASTERFIXEDASSET, sy-vline,
  WA_PRULNDTITEM1-FIXEDASSET, sy-vline,
  WA_PRULNDTITEM1-VALIDITYSTARTDATE, sy-vline,
  WA_PRULNDTITEM1-VALIDITYENDDATE, sy-vline,
  WA_PRULNDTITEM1-RU_LANDTAXOKTMO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRULNDTITEM1 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_PRULNDTITEM1 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_PRULNDTITEM1 INTO WA_PRULNDTITEM1.


*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_PRULNDTITEM1-MASTERFIXEDASSET
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRULNDTITEM1-MASTERFIXEDASSET.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FIXEDASSET
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRULNDTITEM1-FIXEDASSET
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRULNDTITEM1-FIXEDASSET.
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_PRULNDTITEM1_STR, 
MANDT TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
RU_LANDTAXITEMNUMBER TYPE STRING,
COMPANYCODE TYPE STRING,
MASTERFIXEDASSET TYPE STRING,
FIXEDASSET TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
RU_LANDTAXOKTMO TYPE STRING,
RU_CADASTRAMTINLOCLCRCY TYPE STRING,
RU_ASSETCOMMONPROPERTYSHARE TYPE STRING,
RU_LANDTAXBASEREDUCTION TYPE STRING,
RU_LANDTAXBASEREDUCNAMOUNT TYPE STRING,
TAXBASEAMOUNTINCOUNTRYCRCY TYPE STRING,
TAXRATE TYPE STRING,
TAXAMOUNTINCOUNTRYCRCY TYPE STRING,
RU_LANDTAXRATEREDUCTION TYPE STRING,
RU_LANDTAXREDUCEDRATE TYPE STRING,
RU_LANDTAXAMTREDUCTION TYPE STRING,
RU_LANDTAXREDUCNAMTINLOCLCRCY TYPE STRING,
DOWNPAYMENTQTR1AMTINLOCLCRCY TYPE STRING,
DOWNPAYMENTQTR2AMTINLOCLCRCY TYPE STRING,
DOWNPAYMENTQTR3AMTINLOCLCRCY TYPE STRING,
TOTALTAXAMOUNT TYPE STRING,
RU_LANDPLOTOWNERSHIPINMONTHS TYPE STRING,
RU_CADASTRAMTVALIDITYINMONTHS TYPE STRING,
RU_LANDTXCONSTRUCTIONCOEFFVAL TYPE STRING,
NUMBEROFMONTHSINPERIOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRULNDTITEM1_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_PRULNDTITEM1_STR-MANDT sy-vline 
WA_PRULNDTITEM1_STR-STATRYRPTGENTITY sy-vline 
WA_PRULNDTITEM1_STR-STATRYRPTCATEGORY sy-vline 
WA_PRULNDTITEM1_STR-STATRYRPTRUNID sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDTAXITEMNUMBER sy-vline 
WA_PRULNDTITEM1_STR-COMPANYCODE sy-vline 
WA_PRULNDTITEM1_STR-MASTERFIXEDASSET sy-vline 
WA_PRULNDTITEM1_STR-FIXEDASSET sy-vline 
WA_PRULNDTITEM1_STR-VALIDITYSTARTDATE sy-vline 
WA_PRULNDTITEM1_STR-VALIDITYENDDATE sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDTAXOKTMO sy-vline 
WA_PRULNDTITEM1_STR-RU_CADASTRAMTINLOCLCRCY sy-vline 
WA_PRULNDTITEM1_STR-RU_ASSETCOMMONPROPERTYSHARE sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDTAXBASEREDUCTION sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDTAXBASEREDUCNAMOUNT sy-vline 
WA_PRULNDTITEM1_STR-TAXBASEAMOUNTINCOUNTRYCRCY sy-vline 
WA_PRULNDTITEM1_STR-TAXRATE sy-vline 
WA_PRULNDTITEM1_STR-TAXAMOUNTINCOUNTRYCRCY sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDTAXRATEREDUCTION sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDTAXREDUCEDRATE sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDTAXAMTREDUCTION sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDTAXREDUCNAMTINLOCLCRCY sy-vline 
WA_PRULNDTITEM1_STR-DOWNPAYMENTQTR1AMTINLOCLCRCY sy-vline 
WA_PRULNDTITEM1_STR-DOWNPAYMENTQTR2AMTINLOCLCRCY sy-vline 
WA_PRULNDTITEM1_STR-DOWNPAYMENTQTR3AMTINLOCLCRCY sy-vline 
WA_PRULNDTITEM1_STR-TOTALTAXAMOUNT sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDPLOTOWNERSHIPINMONTHS sy-vline 
WA_PRULNDTITEM1_STR-RU_CADASTRAMTVALIDITYINMONTHS sy-vline 
WA_PRULNDTITEM1_STR-RU_LANDTXCONSTRUCTIONCOEFFVAL sy-vline 
WA_PRULNDTITEM1_STR-NUMBEROFMONTHSINPERIOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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