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https://issues.apache.org/jira/browse/JCR-740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12507833
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Marcel Reutegger commented on JCR-740:
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Well, the problem with the current implementation is how the path is stored in
the abstract query tree. Because it uses a Path instance in RelationQueryNode
other axis than child are not possible currently. The correct solution is
probably to replace the Path with a full fledged PathQueryNode. Anything else
is rather a hack.
> Support for the decendant-or-self axis in XPath predicates
> ----------------------------------------------------------
>
> Key: JCR-740
> URL: https://issues.apache.org/jira/browse/JCR-740
> Project: Jackrabbit
> Issue Type: Improvement
> Components: xpath
> Affects Versions: 1.2.1
> Reporter: Randy Simon
> Attachments: patch.txt
>
>
> For example,
> I want to find the root of a node tree that contains a node with a specified
> id. The child node may be n layers deep in the node tree. In my specific
> case, I know how deep it is so
> //element(*, my:foo)[bar/*/*/*/*/@jcr:uuid = 'abc']
> finds the node of type my:foo that contains the child node with id 'abc'.
> Now, I would like to generalize this so I thought i could simply do the
> following.
> //element(*, my:foo)[bar//*/@jcr:uuid = 'abc']
> but this does not work.
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