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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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Adrien Grand updated LUCENE-4734:
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Attachment: LUCENE-4734.patch
Ryan, I iterated over your patch in order to be able to handle a few more
queries, specifically phrase queries that contain gaps or have several terms at
the same position.
It is very hard to handle all possibilities without making the highlighting
complexity explode. I'm looking forward to LUCENE-2878 so that highlighting can
be more efficient and doesn't need to duplicate the query interpretation logic
anymore.
> 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: 4.4
>
> Attachments: lucene-4734.patch, LUCENE-4734.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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