[ZODB-Dev] Possible compatibility problem.

[John Ehresman]

 > From: Tim Peters <tim.peters at gmail.com>
 >> WingDBG does this: tx = get_transaction().sub()
 >
 > Nope, it's not.  It's a consequence of just moving beyond ZODB 3.2.
 > Transactions in ZODB 3.3 and 3.4 have never had a .sub() method
 > (that's been true for over a year).  A transaction object in ZODB 3.2
 > does have an undocumented sub() method, but as far as I can tell it's
 > never used by ZODB or by any Zope >= 2.7.

This will be fixed in the WingDBG product.  There's no need to resurrect 
the sub() method because it's easy to change the product to not require 
a subtransaction.

Thanks,

John