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=========== | ||
Release 310 | ||
=========== | ||
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General Changes | ||
--------------- | ||
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* Reduce compilation failures for expressions over types containing an extremely | ||
large number of nested types. (:issue:`537`) | ||
* Fix error reporting when query fails with due to running out of memory. (:issue:`696`) | ||
* Improve performance of ``JOIN`` queries involving join keys of different types. | ||
(:issue:`665`) | ||
* Add initial and experimental support for late materialization. | ||
This feature can be enabled via ``experimental.work-processor-pipelines`` | ||
feature config or via ``work_processor_pipelines`` session config. | ||
Simple select queries of type ``SELECT ... FROM table ORDER BY cols LIMIT n`` can | ||
experience significant CPU and performance improvement. (:issue:`602`) | ||
* Add support for ``FETCH FIRST`` syntax. (:issue:`666`) | ||
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CLI Changes | ||
----------- | ||
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* Make the final query time consistent with query stats. (:issue:`692`) | ||
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Hive Connector Changes | ||
---------------------- | ||
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* Ignore boolean column statistics when the count is ``-1``. (:issue:`241`) | ||
* Prevent failures for ``information_schema`` queries when a table has an invalid | ||
storage format. (:issue:`568`) | ||
* Add support for assuming AWS role when accessing S3 or Glue. (:issue:`698`) | ||
* Add support for coercions between ``DECIMAL``, ``DOUBLE``, and ``REAL`` for | ||
partition and table schema mismatch. (:issue:`352`) | ||
* Fix typo in Metastore recorder duration property name. (:issue:`711`) | ||
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PostgreSQL Connector Changes | ||
---------------------------- | ||
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* Support for the ``ARRAY`` type has been disabled by default. (:issue:`687`) | ||
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Blackhole Connector Changes | ||
--------------------------- | ||
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* Support having tables with same name in different Blackhole schemas. (:issue:`550`) |