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https://issues.apache.org/jira/browse/LUCENE-4734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan Lauck updated LUCENE-4734:
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Attachment: lucene-4734.patch
Store the max possible slop on the QueryPhraseMap rather than the entire
FieldQuery. This limits unnecessary matching when a PhraseQuery with a large
slop is combined with other PhraseQuerys.
Also, I added a fragment of slop recalculation code from
WeightedSpanTermExtractor that handles PhraseQuerys with position gaps. The
most common way this is encountered is by searching a phrase that contains stop
words while using an analyzer that filters them.
Also cleaned up the test cases a little, and added a few comments.
> FastVectorHighlighter Overlapping Proximity Queries Do Not Highlight
> --------------------------------------------------------------------
>
> Key: LUCENE-4734
> URL: https://issues.apache.org/jira/browse/LUCENE-4734
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/highlighter
> Affects Versions: 4.0, 4.1, 5.0
> Reporter: Ryan Lauck
> Labels: fastvectorhighlighter, highlighter
> Fix For: 4.2, 5.0
>
> Attachments: lucene-4734.patch, lucene-fvh-slop.patch,
> lucene-fvh-slop-reverse.patch
>
>
> If a proximity phrase query overlaps with any other query term it will not be
> highlighted.
> Example Text: A B C D E F G
> Example Queries:
> "B E"~10 D
> (D will be highlighted instead of "B C D E")
> "B E"~10 "C F"~10
> (nothing will be highlighted)
> This can be traced to the FieldPhraseList constructor's inner while loop.
> From the first example query, the first TermInfo popped off the stack will be
> "B". The second TermInfo will be "D" which will not be found in the submap
> for "B E"~10 and will trigger a failed match.
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