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Release 0.166
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General Changes
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* Fix failure due to implicit coercion issue in ``IN`` expressions for
  certain combinations of data types (e.g., ``double`` and ``decimal``).
* Add ``query.max-length`` config flag to set the maximum length of a SQL query.
  The default maximum length is 1MB.
* Improve performance of :func:`!approx_percentile`.

Hive Changes
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* Include original exception from metastore for ``AlreadyExistsException`` when adding partitions.
* Add support for the Hive JSON file format (``org.apache.hive.hcatalog.data.JsonSerDe``).

Cassandra Changes
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* Add configuration properties for speculative execution.

SPI Changes
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* Add peak memory reservation to ``SplitStatistics`` in split completion events.
