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From: "Nagelberg, Kallin" <KNagelberg@globeandmail.com>
To: "'solr-user@lucene.apache.org'" <solr-user@lucene.apache.org>
Date: Tue, 23 Mar 2010 14:10:59 -0400
X-ASG-Orig-Subj: RE: lowercasing for sorting
Subject: RE: lowercasing for sorting
Thread-Topic: lowercasing for sorting
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Thanks, and my cover is apparently blown :P

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

Thanks,
Kallin Nagelberg

-----Original Message-----
From: Binkley, Peter [mailto:Peter.Binkley@ualberta.ca]=20
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=3D"solr.KeywordTokenizerFactory"/>
<filter class=3D"solr.LowerCaseFilterFactory"/>=20

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]=20
> Sent: Tuesday, March 23, 2010 11:07 AM
> To: 'solr-user@lucene.apache.org'
> Subject: lowercasing for sorting
>=20
> I'm trying to perform a case-insensitive sort on a field in=20
> my index that contains values like
>=20
> aaa
> bbb
> AA
> BB
>=20
> And I get them sorted like:
>=20
> aaa
> bbb
> AA
> BB
>=20
> When I would like them:
>=20
> aa
> aaa
> bb
> bbb
>=20
> To do this I'm trying to setup a fieldType who's sole purpose=20
> is to lowercase a value on query and index. I don't want to=20
> tokenize the value, just lowercase it. Any ideas?
>=20
> Thanks,
> Kallin Nagelberg
>=20