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https://issues.apache.org/jira/browse/LUCENE-5967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16777789#comment-16777789
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Alan Woodward commented on LUCENE-5967:
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Auto-prefix terms are long gone now, so I think this can be closed as Won't Fix?
> Allow WildcardQuery and RegexpQuery to also use auto-prefix terms
> -----------------------------------------------------------------
>
> Key: LUCENE-5967
> URL: https://issues.apache.org/jira/browse/LUCENE-5967
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Priority: Major
>
> In LUCENE-5879, we added auto-prefix terms, where the terms dict finds good
> prefix terms to index, so that at search time PrefixQuery and TermRangeQuery
> can visit far fewer terms than the full set.
> WildcardQuery and RegexpQuery will only make use of auto-prefix terms if it's
> "effectively" a PrefixQuery (e.g. WildcardQuery("foo*")), but we could fix
> them so they could also use auto-prefix terms for other cases (e.g. foo?b*)
> though in practice it's less likely to have an impact I think.
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