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https://issues.apache.org/jira/browse/OAK-169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13407969#comment-13407969
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Carsten Ziegeler commented on OAK-169:
--------------------------------------

I have several uses cases where the order is important and I can end up with 
thousands of childrens: log entries, entries of a processing queue etc. In 
these cases the order is usually the insert order.
And in those cases there is no need for a tree structure - of course it's 
possible to define some artifical tree structure but in that case we're back to 
the same workaround we have to use in Jackrabbit today.
                
> Support orderable nodes
> -----------------------
>
>                 Key: OAK-169
>                 URL: https://issues.apache.org/jira/browse/OAK-169
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: jcr
>            Reporter: Jukka Zitting
>
> There are JCR clients that depend on the ability to explicitly specify the 
> order of child nodes. That functionality is not included in the MicroKernel 
> tree model, so we need to implement it either in oak-core or oak-jcr using 
> something like an extra (hidden) {{oak:childOrder}} property that records the 
> specified ordering of child nodes. A multi-valued string property is probably 
> good enough for this.

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