Example #1
0
def _raise_if_deadlock_error(operational_error, engine_name):
    """Raise exception on deadlock condition.

    Raise DBDeadlock exception if OperationalError contains a Deadlock
    condition.
    """
    re = _DEADLOCK_RE_DB.get(engine_name)
    if re is None:
        return
    m = re.match(operational_error.message)
    if not m:
        return
    raise exception.DBDeadlock(operational_error)
Example #2
0
def _raise_if_deadlock_error(operational_error, engine_name):
    """Raise exception on deadlock condition.

    Raise DBDeadlock exception if OperationalError contains a Deadlock
    condition.
    """
    re = _DEADLOCK_RE_DB.get(engine_name)
    if re is None:
        return
    # FIXME(johannes): The usage of the .message attribute has been
    # deprecated since Python 2.6. However, the exceptions raised by
    # SQLAlchemy can differ when using unicode() and accessing .message.
    # An audit across all three supported engines will be necessary to
    # ensure there are no regressions.
    m = re.match(operational_error.message)
    if not m:
        return
    raise exception.DBDeadlock(operational_error)