range search syntax with xapian ?

rubyonrails-talk
1

hey ,

am looking for xapian syntax to do a range search

in my code i have

  class Table < AR     acts_as_xapian :texts => [:title],                                 :values => [[ :left, 0, "left", :number ],[ :right, 1, "right", :number ] ],                                :terms => [ [: left, 'L', "left"],[:right, 'R', "right"]]    end

and when a launch the following search in console i have an execption

  ActsAsXapian::Search.new([Table], 'left:1..100 AND right:30..200', :limit => 100000).result

exception :

RuntimeError: QueryParserError: Unknown range operation from /Users/mecharek/tm/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb:367:in `parse_query' from /Users/mecharek/tm/vendor/plugins/acts_as_xapian/lib/acts_as_xapian.rb:367:in `initialize' from (irb):3:in `new'

i need help please

thx