[ZODB-Dev] Object uniqueness

[Tres Seaver]

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Markus Läll wrote:
> I think I know now -- objects compare identical and equal only if they are
> in the same container object. (Check the code below)
> 
> I don't mean to be negative, but why can't ZODB be like a big RAM? Like
> when i store an object to multiple places on the same DB, then it would
> actually be the same in each place. (Like if you comment out the "Commit,
> close and reload" part of the below code, all the comparisons evaluate to
> True)

If your classes derive from persistence.Persistent, then their
instances' identities will be preserved across serializations.


Tres.
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Tres Seaver          +1 540-429-0999          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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