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https://issues.apache.org/jira/browse/LUCENE-2760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir resolved LUCENE-2760.
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Resolution: Fixed
Committed revision 1035397, 1035411 (3x)
> optimize spanfirstquery, spanpositionrangequery
> -----------------------------------------------
>
> Key: LUCENE-2760
> URL: https://issues.apache.org/jira/browse/LUCENE-2760
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Robert Muir
> Assignee: Robert Muir
> Fix For: 3.1, 4.0
>
> Attachments: LUCENE-2760.patch, LUCENE-2760.patch
>
>
> SpanFirstQuery and SpanPositionRangeQuery (SpanFirst is just a special case
> of this), are currently inefficient.
> Take this worst case example: SpanFirstQuery("the").
> Currently the code reads all the positions for the term "the".
> But when enumerating spans, once we have passed the allowable range we should
> move on to the next document (skipTo)
>
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