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https://issues.apache.org/jira/browse/LUCENE-5929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julie Tibshirani updated LUCENE-5929:
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Attachment: HighligherTest.patch
> Standard highlighting doesn't work for ToParentBlockJoinQuery
> -------------------------------------------------------------
>
> Key: LUCENE-5929
> URL: https://issues.apache.org/jira/browse/LUCENE-5929
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/highlighter
> Reporter: Julie Tibshirani
> Attachments: HighligherTest.patch
>
>
> Because WeightedSpanTermExtractor#extract doesn't check for
> ToParentBlockJoinQuery, the Highlighter class fails to produce highlights for
> this type of query.
> At first it may seem like there's no issue, because ToParentBlockJoinQuery
> only returns parent documents, while the highlighting applies to children.
> But if a client can directly supply the text from child documents (as
> elasticsearch does if _source is enabled), then highlighting will
> unexpectedly fail.
> A test case that triggers the bug is attached. The same issue exists for
> ToChildBlockJoinQuery.
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