================================================================================
DataItemTableFilter with const() expression
================================================================================

query 50100 "Item Query"
{
    elements
    {
        dataitem(My_Item; Item)
        {
            DataItemTableFilter = Type = const(Item);
            
            column(Item_No; "No.")
            {
            }
        }
    }
}

--------------------------------------------------------------------------------

(source_file
  (query_declaration
    (query_keyword)
    object_id: (integer)
    object_name: (quoted_identifier)
    (elements_section
      (elements_keyword)
      (query_dataitem
        (dataitem_keyword)
        name: (identifier)
        table_name: (identifier)
        (property
          name: (property_name)
          value: (link_value_list
            (link_value
              field: (identifier)
              value: (identifier))))
        (query_column
          (column_keyword)
          name: (identifier)
          field_name: (quoted_identifier))))))
