8bee26d6d6
The root of the problem was that nested data types would use the default encoders for subitems. When the encoders were customized, they would not be used for those nested items. This fix moves the encoder functions into a class so that collections, tuples, and UDTs will use the customized mapping when encoding subitems. Fixes PYTHON-100.
57 lines
1.4 KiB
ReStructuredText
57 lines
1.4 KiB
ReStructuredText
``cassandra.query`` - Prepared Statements, Batch Statements, Tracing, and Row Factories
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=======================================================================================
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.. module:: cassandra.query
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.. autofunction:: tuple_factory
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.. autofunction:: named_tuple_factory
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.. autofunction:: dict_factory
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.. autofunction:: ordered_dict_factory
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.. autoclass:: Statement
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:members:
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.. autoclass:: SimpleStatement
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:members:
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.. autoclass:: PreparedStatement ()
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:members:
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.. autoclass:: BoundStatement
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:members:
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.. autoclass:: BatchStatement (batch_type=BatchType.LOGGED, retry_policy=None, consistency_level=None)
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:members:
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.. autoclass:: BatchType ()
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.. autoattribute:: LOGGED
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.. autoattribute:: UNLOGGED
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.. autoattribute:: COUNTER
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.. autoclass:: cassandra.query.ValueSequence
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A wrapper class that is used to specify that a sequence of values should
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be treated as a CQL list of values instead of a single column collection when used
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as part of the `parameters` argument for :meth:`.Session.execute()`.
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This is typically needed when supplying a list of keys to select.
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For example::
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>>> my_user_ids = ('alice', 'bob', 'charles')
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>>> query = "SELECT * FROM users WHERE user_id IN %s"
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>>> session.execute(query, parameters=[ValueSequence(my_user_ids)])
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.. autoclass:: QueryTrace ()
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:members:
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.. autoclass:: TraceEvent ()
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:members:
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.. autoexception:: TraceUnavailable
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