I'm 99.9% sure that version commit and abort are broken in ZODB.DB. The commit methods in CommitVersion, and AbortVersion (and TransactionalUndo) call invalidate on the databse too soon -- before the transaction has committed. This can have a number of bad effects, including causing inconsistent data in connections.

An argument for keeping version in the past was that they "worked". Well, I think they don't work and I'm not interested in writing the test to fix them. Is anyone else?

I will write the necessary tests to fix the undo bug.


Jim Fulton                      mailto:[EMAIL PROTECTED]                Python 
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