Use distributed join if one side is naturally partitioned on join keys.
Improve performance of correlated subqueries when filters from outer query can be propagated to the subquery.
Improve performance for correlated subqueries that contain inequalities.
Add support for all geometry types in
Add cast between
Allow using arrays of mismatched lengths with
zip_with(). The missing positions are filled with
Track execution statistics of
Event listener changes#
Add resource estimates to query events.
Web UI changes#
Fix kill query button.
Display resource estimates in Web UI query details page.
Resource group changes#
Fix unnecessary queuing in deployments where no resource group configuration was specified.
Hive connector changes#
Fix over-estimation of memory usage for scan operators when reading ORC files.
Fix memory accounting for sort buffer used for writing sorted bucketed tables.
Disallow creating tables with unsupported partition types.
Support overwriting partitions for insert queries. This behavior is controlled by session property
Prevent the optimized ORC writer from writing excessively large stripes for highly compressed, dictionary encoded columns.
Enable optimized Parquet reader and predicate pushdown by default.
Cassandra connector changes#
Add support for reading from materialized views.
Optimize partition list retrieval for Cassandra 2.2+.