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https://issues.apache.org/jira/browse/LUCENE-6561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Woodward updated LUCENE-6561:
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    Attachment: LUCENE-6561.patch

Patch that just moves TermContext.build() to IndexSearcher.

> Add a TermContextCache to IndexSearcher
> ---------------------------------------
>
>                 Key: LUCENE-6561
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6561
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Alan Woodward
>         Attachments: LUCENE-6561.patch, LUCENE-6561.patch
>
>
> TermContexts can be quite expensive to build, and if you have fairly complex 
> queries that re-use the same terms you can end up spending a lot of time 
> re-building the same ones over and over again.  It would be nice to be able 
> to cache them on an IndexSearcher, so that they can be re-used.



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