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Posted to issues@lucene.apache.org by "Mike Drob (Jira)" <ji...@apache.org> on 2020/07/31 05:33:00 UTC

[jira] [Commented] (LUCENE-9427) Unified highlighter can fail to highlight fuzzy query

    [ https://issues.apache.org/jira/browse/LUCENE-9427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17168410#comment-17168410 ] 

Mike Drob commented on LUCENE-9427:
-----------------------------------

Patch makes sense, and looks good to me. [~romseygeek] might have opinions as well, but if we don't hear from him next week I'm happy to commit it.

> Unified highlighter can fail to highlight fuzzy query
> -----------------------------------------------------
>
>                 Key: LUCENE-9427
>                 URL: https://issues.apache.org/jira/browse/LUCENE-9427
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Julie Tibshirani
>            Priority: Major
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> If a fuzzy query corresponds to an exact match (for example it has with maxEdits: 0), then the unified highlighter doesn't produce highlights for the matching terms.
> I think this is due to the fact that when visiting a fuzzy query, the exact terms are now consumed separately from automata. The unified highlighter doesn't account for the terms and misses highlighting them.



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