On 9/29/06, Albert <[EMAIL PROTECTED]> wrote:
> David Balmain wrote:
> > On 9/6/06, Alastair Moore <[EMAIL PROTECTED]> wrote:
> >> Alastair
> > The default analyzer doesn't perform any stemming. You need to create
> > your own analyzer with a stemmer. Something like this;
> >
> > require 'rubygems'
> > require 'ferret'
> >
> > module Ferret::Analysis
> > class MyAnalyzer
> > def token_stream(field, text)
> > StemFilter.new(StandardTokenizer.new(text))
> > end
> > end
> > end
> >
> > index = Ferret::I.new(:analyzer => Ferret::Analysis::MyAnalyzer.new)
> >
> > index << "test"
> > index << "tests debate debater debating the for,"
> > puts index.search("test").total_hits
> >
> > Hope that helps,
> > Dave
>
> Hi there,
>
> Thanks for this useful piece of information! What I'm wondering is how
> do stemming on queries as well. My first try was:
>
> query = Ferret::QueryParser.new(:analyzer =>
> Ferret::Analysis::StemmingAnalyzer.new).parse(query_string)
>
> index.search_each(query) { |doc, score| ... }
>
> But this does not work the way I would expect it to work, i.e., it seems
> to deliver empty results independent of the input.
>
> Does anybody have an idea what I'm doing wrong?
>
> Cheers,
>
> Albert
Hi Albert,
Could you show us your implementation of StemmingAnalyzer as well.
Also, you need to be sure to use the same analyzer for both indexing
and analysis, although I think you already new this.
Cheers,
Dave
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