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https://issues.apache.org/jira/browse/LUCENE-6588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14595742#comment-14595742
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Adrien Grand commented on LUCENE-6588:
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I don't think we should try to support fine-grained deletion of children
documents. I would rather like blocks of documents to be not only added but
also deleted atomically so that a parent and its children are either all live
or all deleted.
> ToChildBlockJoinQuery does not calculate parent score if the first child is
> not in acceptDocs
> ---------------------------------------------------------------------------------------------
>
> Key: LUCENE-6588
> URL: https://issues.apache.org/jira/browse/LUCENE-6588
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/join
> Affects Versions: 5.2.1
> Reporter: Christoph Kaser
> Attachments: 0001-Test-score-calculation.patch,
> 0002-ToChildBlockJoinQuery-score-calculation-bugfix.patch,
> 0003-implements-ToChildBlockJoinQuery.explain.patch
>
>
> There is a bug in ToChildBlockJoinQuery that causes the score calculation to
> be skipped if the first child of a new parent doc is not in acceptDocs.
> I will attach test showing the failure and a patch to fix it.
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