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https://issues.apache.org/jira/browse/LUCENE-5099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13878220#comment-13878220
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ASF subversion and git services commented on LUCENE-5099:
---------------------------------------------------------

Commit 1560245 from [~adriano_crestani] in branch 'dev/trunk'
[ https://svn.apache.org/r1560245 ]

LUCENE-5099 - QueryNode should have the ability to detach from its node parent

> QueryNode should have the ability to detach from its node parent
> ----------------------------------------------------------------
>
>                 Key: LUCENE-5099
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5099
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: core/queryparser
>    Affects Versions: 3.6.2, 4.3.1
>            Reporter: Adriano Crestani
>            Assignee: Adriano Crestani
>         Attachments: LUCENE-5099_adrianocrestani_2014-01-19.patch, 
> LUCENE-5099_adrianocrestani_2014-01-19_4x.patch
>
>
> QueryNodeProcessorImpl should always return the root of the tree after 
> processing, so it needs to make the parent is set to null before returning. 
> Otherwise, the previous parent is leaked and never removed.



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