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Release 0.97
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General Changes
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* The queueing policy in Presto may now be injected. See :doc:`/admin/queue` for details.
* Speed up detection of ASCII strings in implementation of ``LIKE`` operator.
* Fix NullPointerException when metadata-based query optimization is enabled.
* Fix possible infinite loop when decompressing ORC data.
* Fix an issue where ``NOT`` clause was being ignored in ``NOT BETWEEN`` predicates.
* Fix a planning issue in queries that use ``SELECT *``, window functions and implicit coercions.
* Fix scheduler deadlock for queries with a ``UNION`` between ``VALUES`` and ``SELECT``.

Hive Changes
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* Fix decoding of ``STRUCT`` type from Parquet files.
* Speed up decoding of ORC files with very small stripes.
