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[Roman Podoliaka <rpodolyaka+bugs@xxxxxxxxxxxx>]

** Changed in: oslo.db
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1630899

Title:
  mysql 1305 errores handled differently with Mysql-Python

Status in neutron:
  Confirmed
Status in oslo.db:
  Fix Released

Bug description:
  The following check https://review.openstack.org/#/c/326927/6/neutron/db/api.py , does not works when I am using:
  MySQL-python (1.2.5)
  oslo.db (4.13.3)
  SQLAlchemy (1.1.0)

  2016-10-06 04:39:20.674 16262 ERROR neutron.api.v2.resource OperationalError: (_mysql_exceptions.OperationalError) (1305, 'SAVEPOINT sa_savepoint_1 does not exist') [SQL: u'ROLLBACK TO SAVEPOINT sa_savepoint_1']
  2016-10-06 04:39:20.674 16262 ERROR neutron.api.v2.resource 

  In the log and not catches by the is_retriable , because it fails on the _is_nested_instance(e, db_exc.DBError) check. The exception's type is: <class 'sqlalchemy.exc.OperationalError'>
   .

  
  I did not used the '+pymysql', so it is the old MySQL-python driver.

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