Presto 0.186 Documentation

11.21. Release 0.166

11.21. Release 0.166

General Changes

  • Fix failure due to implicit coercion issue in IN expressions for certain combinations of data types (e.g., double and decimal).
  • Add query.max-length config flag to set the maximum length of a SQL query. The default maximum length is 1MB.
  • Improve performance of approx_percentile().

Hive Changes

  • Include original exception from metastore for AlreadyExistsException when adding partitions.
  • Add support for the Hive JSON file format (org.apache.hive.hcatalog.data.JsonSerDe).

Cassandra Changes

  • Add configuration properties for speculative execution.

SPI Changes

  • Add peak memory reservation to SplitStatistics in split completion events.