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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2015/03/27 09:44:52 UTC
[jira] [Resolved] (LUCENE-6367) Can PrefixQuery subclass
AutomatonQuery?
[ https://issues.apache.org/jira/browse/LUCENE-6367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael McCandless resolved LUCENE-6367.
----------------------------------------
Resolution: Fixed
> Can PrefixQuery subclass AutomatonQuery?
> ----------------------------------------
>
> Key: LUCENE-6367
> URL: https://issues.apache.org/jira/browse/LUCENE-6367
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: Trunk, 5.1
>
> Attachments: LUCENE-6367.patch, LUCENE-6367.patch
>
>
> Spinoff/blocker for LUCENE-5879.
> It seems like PrefixQuery should "simply" be an AutomatonQuery rather than specializing its own TermsEnum ... with maybe some performance improvements to ByteRunAutomaton.run to short-circuit once it's in a "sink state", AutomatonTermsEnum could be just as fast as PrefixTermsEnum.
> If we can do this it will make LUCENE-5879 simpler.
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