20.181. Release 0.79
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
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
systables, metadata queries such as
SHOW PARTITIONSand connectors that implement the