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From "Benjamin Keil (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-794) Extend contrib Highlighter to properly support PhraseQuery, SpanQuery, ConstantScoreRangeQuery
Date Sun, 09 Mar 2008 01:11:50 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Keil updated LUCENE-794:
---------------------------------

    Attachment: MultiPhraseQueryExtraction.patch

This is a patch that applies on top of  SpanHighlighter-01-28-2008.patch in order to highlight
MutliPhraseQueries

> Extend contrib Highlighter to properly support PhraseQuery, SpanQuery,  ConstantScoreRangeQuery
> -----------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-794
>                 URL: https://issues.apache.org/jira/browse/LUCENE-794
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Other
>            Reporter: Mark Miller
>            Priority: Minor
>         Attachments: MultiPhraseQueryExtraction.patch, SpanHighlighter-01-26-2008.patch,
SpanHighlighter-01-28-2008.patch, spanhighlighter.patch, spanhighlighter10.patch, spanhighlighter11.patch,
spanhighlighter12.patch, spanhighlighter2.patch, spanhighlighter3.patch, spanhighlighter5.patch,
spanhighlighter6.patch, spanhighlighter7.patch, spanhighlighter8.patch, spanhighlighter9.patch,
spanhighlighter_24_January_2008.patch, spanhighlighter_patch_4.zip
>
>
> This patch adds a new Scorer class (SpanQueryScorer) to the Highlighter package that
scores just like QueryScorer, but scores a 0 for Terms that did not cause the Query hit. This
gives 'actual' hit highlighting for the range of SpanQuerys, PhraseQuery, and  ConstantScoreRangeQuery.
New Query types are easy to add. There is also a new Fragmenter that attempts to fragment
without breaking up Spans.
> See http://issues.apache.org/jira/browse/LUCENE-403 for some background.
> There is a dependency on MemoryIndex.

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