Presto 0.100 Documentation

10.18. Release 0.83

10.18. Release 0.83

Raptor Changes

  • Raptor now enables specifying the backup storage location. This feature is highly experimental.
  • Fix the handling of shards not assigned to any node.

General Changes

  • Fix resource leak in query queues.
  • Fix NPE when writing null ARRAY/MAP to Hive.
  • Fix json_array_get() to handle nested structures.
  • Fix UNNEST on null collections.
  • Fix a regression where queries that fail during parsing or analysis do not expire.
  • Make JSON type comparable.
  • Added an optimization for hash aggregations. This optimization is turned off by default. To turn it on, add optimizer.optimize-hash-generation=true to the coordinator config properties.