ABAP Select data from SAP table PARUNATPITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PARUNATPITEM
*  INTO TABLE @DATA(IT_PARUNATPITEM2).
*--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_PARUNATPITEM INDEX 1 INTO DATA(WA_PARUNATPITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PARUNATPITEM>-MANDT = 1.
<PARUNATPITEM>-ATPFOLLOWUPPROCESSRUNUUID = 1.
<PARUNATPITEM>-ATPCHECKUUID = 1.
<PARUNATPITEM>-ABOPVARIANTUUID = 1.
<PARUNATPITEM>-ABOPVARIANTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PARUNATPITEM-STARTEDBYUSER, sy-vline,
  WA_PARUNATPITEM-ATPCHECKSTARTUTCDATETIME, sy-vline,
  WA_PARUNATPITEM-ATPCHECKENDUTCDATETIME, sy-vline,
  WA_PARUNATPITEM-ATPCHECKSTATUS, sy-vline,
  WA_PARUNATPITEM-ABOPEXECUTIONMODE, sy-vline,
  WA_PARUNATPITEM-APPLICATIONLOGHANDLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PARUNATPITEM 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_PARUNATPITEM 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_PARUNATPITEM INTO WA_PARUNATPITEM.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PARUNATPITEM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PARUNATPITEM-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PARUNATPITEM-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PARUNATPITEM-BASEUNIT.
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_PARUNATPITEM_STR, 
MANDT TYPE STRING,
ATPFOLLOWUPPROCESSRUNUUID TYPE STRING,
ATPCHECKUUID TYPE STRING,
ABOPVARIANTUUID TYPE STRING,
ABOPVARIANTNAME TYPE STRING,
STARTEDBYUSER TYPE STRING,
ATPCHECKSTARTUTCDATETIME TYPE STRING,
ATPCHECKENDUTCDATETIME TYPE STRING,
ATPCHECKSTATUS TYPE STRING,
ABOPEXECUTIONMODE TYPE STRING,
APPLICATIONLOGHANDLE TYPE STRING,
ATPRELEVANTDOCUMENTCATEGORY TYPE STRING,
ATPRELEVANTDOCUMENT TYPE STRING,
ATPRELEVANTDOCUMENTITEM TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
BASEUNIT TYPE STRING,
INVENTORYSPECIALSTOCKTYPE TYPE STRING,
ARUNRUNISSIMULATION TYPE STRING,
ATPRLVTDOCITMISSUPASSGMTRLVT TYPE STRING,
ABOPASSIGNMENTPREVIEWISACTIVE TYPE STRING,
ABOPEXECUTIONMETHOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PARUNATPITEM_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_PARUNATPITEM_STR-MANDT sy-vline 
WA_PARUNATPITEM_STR-ATPFOLLOWUPPROCESSRUNUUID sy-vline 
WA_PARUNATPITEM_STR-ATPCHECKUUID sy-vline 
WA_PARUNATPITEM_STR-ABOPVARIANTUUID sy-vline 
WA_PARUNATPITEM_STR-ABOPVARIANTNAME sy-vline 
WA_PARUNATPITEM_STR-STARTEDBYUSER sy-vline 
WA_PARUNATPITEM_STR-ATPCHECKSTARTUTCDATETIME sy-vline 
WA_PARUNATPITEM_STR-ATPCHECKENDUTCDATETIME sy-vline 
WA_PARUNATPITEM_STR-ATPCHECKSTATUS sy-vline 
WA_PARUNATPITEM_STR-ABOPEXECUTIONMODE sy-vline 
WA_PARUNATPITEM_STR-APPLICATIONLOGHANDLE sy-vline 
WA_PARUNATPITEM_STR-ATPRELEVANTDOCUMENTCATEGORY sy-vline 
WA_PARUNATPITEM_STR-ATPRELEVANTDOCUMENT sy-vline 
WA_PARUNATPITEM_STR-ATPRELEVANTDOCUMENTITEM sy-vline 
WA_PARUNATPITEM_STR-MATERIAL sy-vline 
WA_PARUNATPITEM_STR-PLANT sy-vline 
WA_PARUNATPITEM_STR-BASEUNIT sy-vline 
WA_PARUNATPITEM_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_PARUNATPITEM_STR-ARUNRUNISSIMULATION sy-vline 
WA_PARUNATPITEM_STR-ATPRLVTDOCITMISSUPASSGMTRLVT sy-vline 
WA_PARUNATPITEM_STR-ABOPASSIGNMENTPREVIEWISACTIVE sy-vline 
WA_PARUNATPITEM_STR-ABOPEXECUTIONMETHOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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