[ZODB-Dev] 0 is not really equal to my object

[Jim Fulton]

Derrick Hudson wrote:
> On Tue, Feb 08, 2005 at 06:00:01PM -0500, Jim Fulton wrote:
> | Derrick Hudson wrote:
> | >On Tue, Feb 08, 2005 at 04:45:17PM -0500, Tim Peters wrote:
> | ...
> | >| In ZODB 3.3, Persistent no longer derives from ExtensionClass, and is a
> | >| vanilla "new-style" Python class (albeit coded in C) instead.  The import
> | >| has to change then, to:
> | >
> | >Right, but that doesn't help me unless I could totally rewrite the app
> | >for ZopeX3 :-).
> | 
> | Perhaps your app will work with Zope 2.8 (aka trunk), which also
> | uses ZODB 3.3 (will probably use 3.4).
> 
> Perhaps.  I'll wait for a Z4I release that documents Zope 2.8 as a
> supported platform to find out.
> 
> ISTR reading that ZODB 3.2 and 3.3 are not compatible/interchangeable
> (at the storage level).  Is there a migration path planned or already
> implemented for converting an existing 3.2 database to 3.3?

I'm 99% sure that ZODB 3.3 will read a 3.2 database just fine.


Jim

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