This release has a stability issue that may cause query failures in large deployments due to HTTP requests timing out.
Fix excessive GC overhead caused by map to map cast.
Fix implicit coercions for
ROWtypes, allowing operations between compatible types such as
Fix issue that may cause queries containing expensive functions, such as regular expressions, to continue using CPU resources even after they are killed.
Fix performance issue caused by redundant casts.
json_parse()to not ignore trailing characters. Previously, input such as
[1,2]abcwould successfully parse as
Fix leak in running query counter for failed queries. The counter would increment but never decrement for queries that failed before starting.
Reduce coordinator HTTP thread usage for queries that are queued or waiting for data.
Reduce memory usage when building data of
Estimate memory usage for
GROUP BYmore precisely to avoid out of memory errors.
Add queued time and elapsed time to the client protocol.
query_max_execution_timesession property and
query.max-execution-timeconfig property. Queries will be aborted after they execute for more than the specified duration.
Add Geospatial functions including functions for processing Bing tiles.
Add Spill to disk for joins.
Add Redshift connector.
Resource groups changes#
Query Queues are deprecated in favor of Resource groups and will be removed in a future release.
hardConcurrencyLimit. The old property name is deprecated and will be removed in a future release.
Fail on unknown property names when loading the JSON config file.
JDBC driver changes#
Allow specifying an empty password.
FileSystem closederrors when using Kerberos authentication.
Add support for path style access to the S3 file system. This can be enabled by setting the
These are backwards incompatible changes with the previous SPI. If you have written a connector, you will need to update your code before deploying this release.