Hi

Best approach here is to have multiple indexes for each model, one per language:

  [:en, :fr].each do |lang|
    define_index("#{name}_#{lang}") do
      indexes column # etc
      
      set_property :morphology => "stem_#{lang}"
    end
  end

Then, in searching, you'll need to specify the indices you want:
  Model.search "foo", :index => 'model_en_core'

If you're also using delta indexes, then you'll want to use both _core and 
_delta:
  Model.search "foo", :index => 'model_en_core,model_en_delta'

Give this a spin, it or something like it should do the trick.

Cheers

-- 
Pat

On 29/03/2011, at 7:13 AM, hydrozen wrote:

> Hi,
> 
> my rails app is available in english and french. If I want to activate
> the stemmer in morphology, how can it be possible for me to switch
> between the french stemmer and english stemmer? Is there a way to
> change that at runtime?
> 
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