App Engine Python SDK  v1.6.9 rev.445
The Python runtime is available as an experimental Preview feature.
google.appengine.api.datastore_errors.Rollback Class Reference
Inheritance diagram for google.appengine.api.datastore_errors.Rollback:
google.appengine.api.datastore_errors.Error

Detailed Description

May be raised by transaction functions when they want to roll back
instead of committing. Note that *any* exception raised by a transaction
function will cause a rollback. This is purely for convenience. See
datastore.RunInTransaction for details.

The documentation for this class was generated from the following file: