11.162. Release 0.79

Hive Changes

• Add configuration option hive.force-local-scheduling and session propertyforce_local_scheduling to force local scheduling of splits.
• Add new experimental optimized RCFile reader. The reader can be enabled bysetting the configuration option hive.optimized-reader.enabled or sessionproperty optimized_reader_enabled.

General Changes

• Add support for UNNEST, which can be used as a replacement for the explode() function in Hive.
• Fix a bug in the scan operator that can cause data to be missed. It currently only affects queriesover information_schema or sys tables, metadata queries such as SHOW PARTITIONS and connectorsthat implement the ConnectorPageSource interface.