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@ZacBlanco
ZacBlanco committed Feb 7, 2025
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20 changes: 11 additions & 9 deletions presto-docs/src/main/sphinx/release/release-0.291.rst
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* Improve coordinator task management performance. `#24369 <https://github.com/prestodb/presto/pull/24369>`_
* Improve efficiency of coordinator when running a large number of tasks. `#24288 <https://github.com/prestodb/presto/pull/24288>`_
* Improve scheduling for CTE materialization: Now, only the stages containing CTE table scans that reference CTE table write stages are blocked till the write is complete, instead of the entire query being blocked as was the case previously. This is controlled by the session property ``enhanced_cte_scheduling_enabled`` (on by default). `#24108 <https://github.com/prestodb/presto/pull/24108>`_
* Improve HTTP responses from async page transport servlet, by sanitizing the URI before use. `#24004 <https://github.com/prestodb/presto/pull/24004>`_
* Improve security of internal HTTP endpoints by sanitizing headers before they are used. `#24004 <https://github.com/prestodb/presto/pull/24004>`_
* Add :doc:`/sql/alter-table` SET PROPERTIES statement. `#21495 <https://github.com/prestodb/presto/pull/21495>`_
* Add :func:`google_polyline_decode` function to convert Google polyline to Presto ST_Geometry types. `#23999 <https://github.com/prestodb/presto/pull/23999>`_
* Add :func:`google_polyline_encode` function to convert Presto ST_Geometry to Google polyline types. `#23999 <https://github.com/prestodb/presto/pull/23999>`_
* Add Delete, TableWriter, and TableFinish node to SPI. `#24088 <https://github.com/prestodb/presto/pull/24088>`_
* Add SemiJoin, Join, TableWriter, Delete, and TableFinish node to connector optimizer. `#24154 <https://github.com/prestodb/presto/pull/24154>`_
* Add ``ClientRequestFilter.java`` interface in Presto-spi. `#23380 <https://github.com/prestodb/presto/pull/23380>`_
* Add ``ClientRequestFilter.java`` interface in Presto-spi: :doc:`/develop/client-request-filter. `#23380 <https://github.com/prestodb/presto/pull/23380>`_
* Add a configuration property ``plan-checker.config-dir`` to set the configuration directory for PlanCheckerProvider configurations. `#23955 <https://github.com/prestodb/presto/pull/23955>`_
* Add a session property ``include_values_node_in_connector_optimizer`` to enable connector optimizer optimize plans with values node. `#24227 <https://github.com/prestodb/presto/pull/24227>`_
* Add an optional input distribution constraint to DeleteNode. `#24104 <https://github.com/prestodb/presto/pull/24104>`_
* Add ``native_enforce_join_build_input_partition`` session property to not enforce input partition for join build. `#24163 <https://github.com/prestodb/presto/pull/24163>`_
* Add catalog and schema level access checks in :doc:`/sql/use` statement. `#24182 <https://github.com/prestodb/presto/pull/24182>`_
* Add delete node in subfield pruning optimizer. `#24206 <https://github.com/prestodb/presto/pull/24206>`_
* Add single worker execution. To improve latency of tiny queries running on a large cluster, we introduce single worker execution mode: query will only use one node to execute and plan would be optimized accordingly. This feature can be turned on by the configuration property ``single-node-execution-enabled`` or the session property ``single_node_execution_enabled``. `#24172 <https://github.com/prestodb/presto/pull/24172>`_
* Add support for ORC metadata cache invalidation based on file modification time. `#24346 <https://github.com/prestodb/presto/pull/24346>`_
* Add support for ``ALTER VIEW RENAME TO`` operation, including the necessary infrastructure for connector implementations. `#23749 <https://github.com/prestodb/presto/pull/23749>`_
* Add support for ``BigInt`` data type in the SQL Client on Presto UI on supported browsers. See `compatibility <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse#browser_compatibility>`_ for the supported browsers. `#24336 <https://github.com/prestodb/presto/pull/24336>`_
* Add support for the histogram statistic type. `#22365 <https://github.com/prestodb/presto/pull/22365>`_
* Add support for time type partitioning in the ORC file format for Iceberg. `#24091 <https://github.com/prestodb/presto/pull/24091>`_
* Add testing for partitioning using time type in Iceberg. `#24091 <https://github.com/prestodb/presto/pull/24091>`_
* Enable ``scale-writers`` by default. `#24107 <https://github.com/prestodb/presto/pull/24107>`_
* Update usage of MD5 to SHA256. `#23903 <https://github.com/prestodb/presto/pull/23903>`_
* Improve UUID comparisons so they conform to `IETF RFC 4122 <https://datatracker.ietf.org/doc/html/rfc4122>`_. `#23847 <https://github.com/prestodb/presto/pull/23847>`_
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BigQuery Connector Changes
__________________________
* Fix for BigQuery ``SELECT``. `#23957 <https://github.com/prestodb/presto/pull/23957>`_
* Fix ``SELECT`` statements failing with ``NoClassDefFoundError: io/grpc/CallCredentials2``. `#23957 <https://github.com/prestodb/presto/pull/23957>`_

Cassandra Connector Changes
___________________________
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Iceberg Connector Changes
_________________________
* Improve redundant getTable calls in Iceberg Connector. `#24376 <https://github.com/prestodb/presto/pull/24376>`_
* Improve performance of scan planning in Iceberg Connector. `#24376 <https://github.com/prestodb/presto/pull/24376>`_
* Add ``catalog.system.invalidate_metastore_cache`` procedure to invalidate all, or portions of, the metastore cache. `#23401 <https://github.com/prestodb/presto/pull/23401>`_
* Add configuration property ``iceberg.rest.nested.namespace.enabled`` to support nested namespaces in Iceberg's REST Catalog. Defaults to ``true``. `#24083 <https://github.com/prestodb/presto/pull/24083>`_
* Add support for ``ALTER VIEW RENAME TO``. `#23749 <https://github.com/prestodb/presto/pull/23749>`_
* Add support of ``view`` for Iceberg connector when configured with ``REST`` and ``NESSIE``. `#23793 <https://github.com/prestodb/presto/pull/23793>`_
* Add support of specifying table location on creation for Iceberg connector when configured with ``REST`` and ``NESSIE``. `#24218 <https://github.com/prestodb/presto/pull/24218>`_
* Remove in-memory hive metastore cache in Iceberg connector. `#24326 <https://github.com/prestodb/presto/pull/24326>`_
* Add support for time type partitioning in the ORC file format for Iceberg. `#24091 <https://github.com/prestodb/presto/pull/24091>`_
* Add testing for partitioning using time type in Iceberg. `#24091 <https://github.com/prestodb/presto/pull/24091>`_

Memory Connector Changes
________________________
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___________
* Improve ExpressionOptimizer#optimize method with a variable resolver to return ``RowExpression``. `#24287 <https://github.com/prestodb/presto/pull/24287>`_
* Add WindowNode, JoinNode, SemiJoinNode, MergeJoinNode, and SpatialJoinNode to the SPI. `#23976 <https://github.com/prestodb/presto/pull/23976>`_
* Add SemiJoin, Join, TableWriter, Delete, and TableFinish node to connector optimizer. `#24154 <https://github.com/prestodb/presto/pull/24154>`_
* Add a partition by attribute to specify the scope of sort node. `#24095 <https://github.com/prestodb/presto/pull/24095>`_
* Remove ConnectorJoinNode from the SPI. JoinNode can now be used instead. `#23976 <https://github.com/prestodb/presto/pull/23976>`_
* Remove experimental getPreferredShuffleLayout methods from the connector metadata in favor of existing `getNewTableLayout`, `getInsertLayout` methods `#24106 <https://github.com/prestodb/presto/pull/24106>`_
* Modify the signature of ``PlanCheckerProviderFactory.create`` to pass in a map of configuration properties and replace ``SimplePlanFragmentSerde`` with a ``PlanCheckerProviderContext``. `#23955 <https://github.com/prestodb/presto/pull/23955>`_

UI Changes
__________
* Add support for ``BigInt`` data type in the SQL Client on Presto UI on supported browsers. See `compatibility <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse#browser_compatibility>`_ for the supported browsers. `#24336 <https://github.com/prestodb/presto/pull/24336>`_

**Credits**
===========

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