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From "Nagelberg, Kallin" <KNagelb...@globeandmail.com>
Subject RE: lowercasing for sorting
Date Tue, 23 Mar 2010 18:10:59 GMT
Thanks, and my cover is apparently blown :P

We're looking at solr for a number of applications, from taking the load off the database,
to user searching etc. I don't think I'll get fired for saying that :P

Thanks,
Kallin Nagelberg

-----Original Message-----
From: Binkley, Peter [mailto:Peter.Binkley@ualberta.ca] 
Sent: Tuesday, March 23, 2010 2:09 PM
To: solr-user@lucene.apache.org
Subject: RE: lowercasing for sorting

Solr makes this easy:

<tokenizer class="solr.KeywordTokenizerFactory"/>
<filter class="solr.LowerCaseFilterFactory"/> 

You can populate this field from another field using copyField, if you
also need to be able to search or display the original values.

Just out of curiosity, can you tell us anything about what the Globe and
Mail is using Solr for? (assuming the question is work-related)

Peter


> -----Original Message-----
> From: Nagelberg, Kallin [mailto:KNagelberg@globeandmail.com] 
> Sent: Tuesday, March 23, 2010 11:07 AM
> To: 'solr-user@lucene.apache.org'
> Subject: lowercasing for sorting
> 
> I'm trying to perform a case-insensitive sort on a field in 
> my index that contains values like
> 
> aaa
> bbb
> AA
> BB
> 
> And I get them sorted like:
> 
> aaa
> bbb
> AA
> BB
> 
> When I would like them:
> 
> aa
> aaa
> bb
> bbb
> 
> To do this I'm trying to setup a fieldType who's sole purpose 
> is to lowercase a value on query and index. I don't want to 
> tokenize the value, just lowercase it. Any ideas?
> 
> Thanks,
> Kallin Nagelberg
> 

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