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Posted to dev@lucene.apache.org by "David Smiley (JIRA)" <ji...@apache.org> on 2018/08/30 04:04:00 UTC
[jira] [Resolved] (LUCENE-7903) Highlighting boolean queries
shouldn't always highlight some clauses
[ https://issues.apache.org/jira/browse/LUCENE-7903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Smiley resolved LUCENE-7903.
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Resolution: Fixed
This is fixed by LUCENE-8286 for the UnifiedHighlighter using the new Lucene MatchesIterator API.
There's no Solr parameter toggle for this yet; feel free to post an issue & patch if you have the time. It should be pretty easy.
> Highlighting boolean queries shouldn't always highlight some clauses
> --------------------------------------------------------------------
>
> Key: LUCENE-7903
> URL: https://issues.apache.org/jira/browse/LUCENE-7903
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/highlighter
> Reporter: Damian Pawski
> Priority: Minor
>
> I am having difficulties with getting correct "highlighting" section from Solr.
> My query returns correct results, only highlighting does not work as I would expected.
> My query:
> http://solrServer/solr/solrCore/select?q=(((field1:((word1)AND(word2)))%20OR%20(field2:((word1)AND(word2)))%20OR%20(field3:((word1)AND(word2)))%20OR%20(field4:((word1)AND(word2)))))&fq=field5:(xxxx)&hl=true&hl.q=field1:(word1)&hl.fl=field1,field2,field3,field4
> If I run this query the highlighting section is correct - there is no document with phrase "word1" - therefore field1 is not listed in the highlighting element - correct.
> If I update my query to:
> http://solrServer/solr/solrCore/select?q=(((field1:((word1)AND(word2)))%20OR%20(field2:((word1)AND(word2)))%20OR%20(field3:((word1)AND(word2)))%20OR%20(field4:((word1)AND(word2)))))&fq=field5:(xxxx)&hl=true&hl.q=field1:(word1 OR word2)&hl.fl=field1,field2,field3,field4
> then I am not getting expected results, word2 has been found in field1 but word1 is missing, but Solr returned field1 in highlighting element with highlighted "word2" only.
> I have explicitly added an extra query using hl.q and I have used AND operator (word1 AND word2), why Solr returns field1 in case when only word2 has been found?
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