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Date: Tue, 29 Apr 2008 10:01:58 -0700 (PDT)
From: "Brian Whitman (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-794) Extend contrib Highlighter to
 properly support PhraseQuery, SpanQuery,  ConstantScoreRangeQuery
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    [ https://issues.apache.org/jira/browse/LUCENE-794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593049#action_12593049 ] 

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

hi, after checking out lucene trunk and applying the 02-10-2008 patch I am getting this during "ant dist":

 [javac] /Users/bwhitman/outside/lucene/java/trunk/contrib/highlighter/src/java/org/apache/lucene/search/highlight/WeightedSpanTermExtractor.java:35: package org.apache.lucene.index.memory does not exist

Any ideas? The patch does say "relies on MemoryIndex" but that was committed a long time ago and is in contrib/memory/src/java/org/apache/lucene/index/memory/MemoryIndex.java in lucene trunk.


> 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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