[ZODB-Dev] Odd output from checkbtrees.py

[Shane Hathaway]

Paul Winkler wrote:
> I'm testing ZODB 3.1.3 on a Data.fs that has lived through several
> zope upgrades (2.5.0 ... 2.6.2b6).
> 
> This is the first time I've examined the btrees, and I have no real
> understanding of how FileStorage uses btrees, so I'm not sure 
> whether this is a bug in checkbtrees.py, or a bug in DCWorkflow, 
> or something nasty in my Data.fs, or (eep!) expected behavior...

DCWorkflow doesn't use BTrees.  My guess is that checkbtrees is actually 
traversing a single object many times, making it a bug in checkbtrees.

Shane