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:ininitialize’
from (irb):3:in `new’
someone can help me 
thx