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From "Michael McCandless (JIRA)" <>
Subject [jira] [Assigned] (LUCENE-5929) Standard highlighting doesn't work for ToParentBlockJoinQuery
Date Thu, 13 Nov 2014 11:34:33 GMT


Michael McCandless reassigned LUCENE-5929:

    Assignee: Michael McCandless

> Standard highlighting doesn't work for ToParentBlockJoinQuery
> -------------------------------------------------------------
>                 Key: LUCENE-5929
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/highlighter
>            Reporter: Julie Tibshirani
>            Assignee: Michael McCandless
>            Priority: Critical
>         Attachments: HighligherTest.patch, LUCENE-5929.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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