вторник, 9 января 2018 г., 9:08:22 UTC+3 пользователь Tolstov Sergey написал: > > I use transactions and sometimes it must be *session.rollback*. > Sometimes i get a AttributeError: 'NoneType' object has no attribute > 'twophase' > That error raises, when one transaction open and processed, and *another* > transaction with session use *rollback* >
Some example on stackoverflow <https://stackoverflow.com/questions/25768428/sqlalchemy-connection-errors> -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper http://www.sqlalchemy.org/ To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. --- You received this message because you are subscribed to the Google Groups "sqlalchemy" 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 https://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
