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https://issues.apache.org/jira/browse/LUCENE-6163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14264602#comment-14264602
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Robert Muir commented on LUCENE-6163:
-------------------------------------
I don't think the optimization is safe if any tokenfilter modifies the tokens
after ngram, it will give the wrong results.
> Use NGramPhraseQuery via QueryBuilder
> -------------------------------------
>
> Key: LUCENE-6163
> URL: https://issues.apache.org/jira/browse/LUCENE-6163
> Project: Lucene - Core
> Issue Type: New Feature
> Components: core/other, modules/analysis
> Affects Versions: 5.0
> Reporter: Tomoko Uchida
> Priority: Minor
> Attachments: LUCENE-6163.patch
>
>
> This is derived from SOLR-3055.
> To gain performance improvement of LUCENE-3426, QueryBuilder should generate
> NGramPhraseQuery to optimize n-gram based phrase query.
> (especially good for CJK languages, but the benefit is not limited to those.)
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