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https://issues.apache.org/jira/browse/LUCENE-1279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593867#action_12593867
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Steven Rowe commented on LUCENE-1279:
-------------------------------------
(Wild guess): iterate over all terms instead of iterating over terms between
the lower and upper term. Hmm, this is going to be slow.
The implementation could default to the current behavior if no/null Locale is
supplied.
> RangeQuery and RangeFilter should use collation to check for range inclusion
> ----------------------------------------------------------------------------
>
> Key: LUCENE-1279
> URL: https://issues.apache.org/jira/browse/LUCENE-1279
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Affects Versions: 2.3.1
> Reporter: Steven Rowe
> Priority: Minor
> Fix For: 2.4
>
>
> See [this java-user
> discussion|http://www.nabble.com/lucene-farsi-problem-td16977096.html] of
> problems caused by Unicode code-point comparison, instead of collation, in
> RangeQuery.
> RangeQuery could take in a Locale via a setter, which could be used with a
> java.text.Collator and/or CollationKey's, to handle ranges for languages
> which have alphabet orderings different from those in Unicode.
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