Exceptions and Enums

.. module:: cassandra

.. data:: __version_info__

   The version of the driver in a tuple format

.. data:: __version__

   The version of the driver in a string format

.. autoclass:: ConsistencyLevel
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.. autoclass:: ProtocolVersion
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.. autoclass:: UserFunctionDescriptor
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   :inherited-members:

.. autoclass:: UserAggregateDescriptor
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.. autoexception:: DriverException()
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.. autoexception:: RequestExecutionException()
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.. autoexception:: Unavailable()
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.. autoexception:: Timeout()
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.. autoexception:: ReadTimeout()
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.. autoexception:: WriteTimeout()
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.. autoexception:: CoordinationFailure()
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.. autoexception:: ReadFailure()
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.. autoexception:: WriteFailure()
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.. autoexception:: FunctionFailure()
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.. autoexception:: RequestValidationException()
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.. autoexception:: ConfigurationException()
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.. autoexception:: AlreadyExists()
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.. autoexception:: InvalidRequest()
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.. autoexception:: Unauthorized()
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.. autoexception:: AuthenticationFailed()
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.. autoexception:: OperationTimedOut()
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