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https://issues.apache.org/jira/browse/LUCENE-2454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13053142#comment-13053142
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Mark Harwood commented on LUCENE-2454:
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bq. Could that work for your use case?
Sounds like it, that's great :)
Do you think there any efficiencies to be gained on the document retrieve side
of things if you know that the documents commonly being retrieved are
physically nearby i.e. an app will often retrieve a parent's fields and then
those from child docs which are required to be physically located adjacent to
the parent's data. Would existing lower-level caching in Directory or the OS
mean there's already a good chance of finding child data in cached blocks or
could a change to file structures and/or doc retrieve APIs radically boost
parent-plus-child retrieve performance?
> Nested Document query support
> -----------------------------
>
> Key: LUCENE-2454
> URL: https://issues.apache.org/jira/browse/LUCENE-2454
> Project: Lucene - Java
> Issue Type: New Feature
> Components: core/search
> Affects Versions: 3.0.2
> Reporter: Mark Harwood
> Assignee: Mark Harwood
> Priority: Minor
> Attachments: LUCENE-2454.patch, LUCENE-2454.patch,
> LuceneNestedDocumentSupport.zip
>
>
> A facility for querying nested documents in a Lucene index as outlined in
> http://www.slideshare.net/MarkHarwood/proposal-for-nested-document-support-in-lucene
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