Release 383 (1 Jun 2022)#
Warning
This release has a regression that may cause queries to fail.
General#
- Introduce - json_exists,- json_query, and- json_valueJSON functions. (#9081)
- Add AWS IAM role support for exchange spooling on S3. (#12444) 
- Improve query performance by reducing worker-to-worker communication overhead. (#11289) 
- Improve performance and reduce memory usage of queries that contain aggregations. (#12336) 
- Improve performance of correlated queries involving distinct aggregations. (#12564) 
Web UI#
- Clarify format of cumulative user memory on query details page. (#12596) 
Accumulo connector#
- Fail creating a new table if a table comment is specified. Previously, the comment was ignored. (#12452) 
BigQuery connector#
Cassandra connector#
ClickHouse connector#
- Fix incorrect results for certain aggregation queries when aggregations are pushed down to the underlying database. (#12598) 
Delta Lake connector#
Iceberg connector#
Kudu connector#
MariaDB connector#
Memory connector#
MySQL connector#
Oracle connector#
Phoenix connector#
PostgreSQL connector#
Raptor connector#
Redshift connector#
SingleStore (MemSQL) connector#
SQL Server connector#
SPI#
- Allow limiting access to functions based on whether they are scalar, aggregation, window, or table functions. (#12544)