*you don't need to call a session.begin() method explicitly. * *once you remove the begin() clause, this error will disappears.* * *
在 2013年1月17日星期四UTC+8下午11时51分56秒，jo写道： > > Hi all, > > I'm running an web application in turbogears1 using sqlalchemy I'm using > mainly postgresql as database but in a few installations I'm using > oracle (same programs only db change). > Using PostgreSQL all is ok but when I use > oracle some times I get the following error: > ... > File "/sf/prod/eggs/TurboGears-1.1.1-py2.6.egg/turbogears/database.py", > line 455, in sa_rwt > request.sa_transaction = session.begin() > File > "/sf/prod/eggs/SQLAlchemy-0.6.8-py2.6.egg/sqlalchemy/orm/scoping.py", > line 139, in do > return getattr(self.registry(), name)(*args, **kwargs) > File > "/sf/prod/eggs/SQLAlchemy-0.6.8-py2.6.egg/sqlalchemy/orm/session.py", > line 550, in begin > "A transaction is already begun. Use subtransactions=True " > InvalidRequestError: A transaction is already begun. Use > subtransactions=True to allow subtransactions. > > I'm not using explicity session.begin() because turbogears do that for me, > thus I don't know where to define subtransactions=True. > What can I do? > > thanks for any help > > j > -- You received this message because you are subscribed to the Google Groups "TurboGears" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/turbogears?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
