Ok, got it: I definitely have to switch to the new plugin ..

Just a last thought: in this way I have to retrieve all the children
each time I want to order the collection .. Am I right?
I hope it is integrated with the second level caching system
mechanism ..

On Jan 16, 7:20 pm, datanucleus <andy_jeffer...@yahoo.com> wrote:
> How to order it ? you set the items in the list in the order you want
> them, of course.
> Manual hackery of properties in the datastore means that you take
> responsibility for it thereafter - v2 of the plugin (the latest
> storage version) actually stores the positioning and membership in a
> property in the parent object.

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