[ZODB-Dev] RelStorage and PosKey errors - is this a risky hotfix?

[Shane Hathaway]

On 01/24/2011 06:32 PM, Laurence Rowe wrote:
> Must this imply a failure to maintain a foreign key constraint? While
> there are FK constraints on current_object (zoid, tid) ->  object_state
> (zoid, tid) there is no foreign key that might prevent a
> current_object row from being incorrectly deleted.

That's true.  Thanks for pitching in.

> 2. Something goes wrong during pack gc (either in the pack logic or on
> the database).

Looking at the code, I think I might see a way that current_object rows 
could be incorrectly removed by a pack operation, but I'll have to write 
tests to find out.

Shane