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https://issues.apache.org/jira/browse/LUCENE-4068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13278954#comment-13278954
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Martijn van Groningen commented on LUCENE-4068:
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Yes... someone could delete a parent without deleting its children. I guess
that this a responsibility of the application using Lucene. Right now for
updating the deleteDocuments(query) method should be used, before using
updateDocuments(...) / addDocuments(...)
The updateDocuments method that uses the delQuery could include a
ToChildBlockJoinQuery instance (as part of a boolean query) that would matches
to the children documents (in case a parent document were to be deleted).
However this logic would then still be the apps responsibility.
> Improve IW#addDocuments(...) javadoc
> ------------------------------------
>
> Key: LUCENE-4068
> URL: https://issues.apache.org/jira/browse/LUCENE-4068
> Project: Lucene - Java
> Issue Type: Improvement
> Affects Versions: 3.2, 3.3, 3.4, 3.5, 3.6, 4.0
> Reporter: Martijn van Groningen
> Priority: Minor
> Fix For: 4.0, 3.6.1
>
> Attachments: LUCENE-4068.patch, LUCENE-4068.patch
>
>
> Improve IW#addDocuments(...) javadoc.
> Describer how blocks can be used regarding to index updates.
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