[ZODB-Dev] zodb pickle format for root

[Jim Fulton]

Florent Guillaume wrote:
> In storage.py there's a comment saying that only a few types of  pickles 
> for the class descriptions are written, even if more are read.
> But actually in DB.py there's this code that creates a new root if  oid 
> z64 doesn't exist:
> 
>             root = PersistentMapping()
>             ...
>             p.dump((root.__class__, None))
>             p.dump(root.__getstate__())
> 
> This is actually format #5 and according to serialize.py it's not  used 
> anymore for writing. I guess the root is an exception.
> 
> I haven't checked if just justing p.dump(root.__class__) works but it  
> should.

This is just a fossil.  Feel free to change it if you wish.
Or to add an entry to the ZODB collector.

Jim

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