Release 0.79#
Hive#
- Add configuration option - hive.force-local-schedulingand session property- force_local_schedulingto force local scheduling of splits.
- Add new experimental optimized RCFile reader. The reader can be enabled by setting the configuration option - hive.optimized-reader.enabledor session property- optimized_reader_enabled.
General#
- 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 queries over - information_schemaor- systables, metadata queries such as- SHOW PARTITIONSand connectors that implement the- ConnectorPageSourceinterface.