cascading create

Djangoists:

Given a model Tree with many Leaves, I want to write this:

t = Tree(data=42)
t.leaves.add(leafy_data=43)
t.leaves.add(leafy_data=44)
t.save()

I want the save() to create the Tree, then create the leaves. Other
notations would do fine.

Batching like this might permit the ORM to optimize the database
calls. If not, that's okay to.

Google doesn't say Django can do this.

My specific problem is I have a dozen trees with a couple thousand
leaves each, and simply writing them all causes a bottleneck.

--
  Phlip
  http://c2.com/cgi/wiki?ZeekLand

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