DB related custom exceptions.
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exception DBDeadlock(inner_exception=None)
Bases: nova.openstack.common.db.exception.DBError
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exception DBDuplicateEntry(columns=[], inner_exception=None)
Bases: nova.openstack.common.db.exception.DBError
Wraps an implementation specific exception.
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exception DBError(inner_exception=None)
Bases: exceptions.Exception
Wraps an implementation specific exception.
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exception DBInvalidUnicodeParameter
Bases: exceptions.Exception
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message = u'Invalid Parameter: Unicode is not supported by the current database.'