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From "Brian Whitman (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-794) Extend contrib Highlighter to properly support PhraseQuery, SpanQuery, ConstantScoreRangeQuery
Date Tue, 29 Apr 2008 18:23:56 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593077#action_12593077
] 

Brian Whitman commented on LUCENE-794:
--------------------------------------

Ah, got it. You have to ant dist before applying the patch to build the memory jar, then apply
the patch and ant again.


> 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-02-10-2008.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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