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Date: Thu, 15 Nov 2012 16:08:38 -0500
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Subject: Re: How to wildcard
From: David Alyea <dalyea@gmail.com>
To: general@lucene.apache.org
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Thanks for the suggestion.  I tried that, putting it in
my index section.  I deleted the entire collection, stopped solr,
restarted it, added back all my documents, and committed.
Basically, I followed the exact same protocol I always do.
When I searched for "sm3 carbon" I got nothing - if I just
searched for "carbon", nothing.  Looking at the solr admin
panel, the document count was right.  But any select I ran
returned 0 results.  So something about that in the index
section didn't work.  Any ideas?  I definitely like the way
this would potentially work.

On Thu, Nov 15, 2012 at 3:54 PM, Upayavira <uv@odoko.co.uk> wrote:

> You could use a solr.EdgeNGramFilterFactory, which would index
> edge-ngrams, thus:
>
> Exustar:
> ex
> exu
> exus
> exust
> exusta
> exustar
>
> SM312
> sm
> sm3
> sm31
> sm312
>
> etc
>
> This would make your indexing slower, and your index bigger, but your
> queries would be faster and you wouldn't need to infix wildcard *
> characters within your query string (which is always risky).
>
> Upayavira
>
> On Thu, Nov 15, 2012, at 05:44 PM, David Alyea wrote:
> > I'm coming from the world of having perfected grep searching,
> > and now I'm using solr with great results so far.  Still, I have some
> > searches I'm trying to figure out.
> >
> > My users might be searching for:
> >
> > Exustar SM312 Carbon Mountain Bike Shoes
> >
> > by typing in the search "sm3 carbon".  Then want to see
> > all the SM312, SM345, SM389 and other matching shoes.
> >
> > Right now, my solr search misses all of these shoes.  My solr
> > setup is pretty standard, I've only added these filters to my
> > main text search field:
> >
> > to index:
> > <filter class="solr.PorterStemFilterFactory"/>
> > <filter class="solr.KStemFilterFactory"/>
> > <filter class="solr.EnglishMinimalStemFilterFactory"/>
> >
> > to query:
> > <filter class="solr.SnowballPorterFilterFactory" language="English" />
> >
> > Any recommendations on how to handle wildcarding in this case?
>

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