171         self.is_super_session = self.user.eid == -1

   171         self.is_super_session = self.user.eid == -1

   172         self.transaction_data = {}

   172         self.transaction_data = {}

   173 

   173 

   174     def execute(self, *args):

   174     def execute(self, *args):

   175         pass

   175         pass

   176     def commit(self, *args):

   178     def commit(self, *args):

   177         self.transaction_data.clear()

   179         self.transaction_data.clear()

   178     def close(self, *args):

   180     def close(self, *args):

   179         pass

   181         pass

   180     def system_sql(self, sql, args=None):

   182     def system_sql(self, sql, args=None):