Release 399 (6 Oct 2022)#
General#
- Add operator CPU and wall time distribution to - EXPLAIN ANALYZE VERBOSE. (#14370)
- Improve performance of joins. (#13352) 
- Remove support for the deprecated - rowto- jsoncast behavior, and remove the- deprecated.legacy-row-to-json-castconfiguration property. (#14388)
- Fix error when using - PREPAREwith- DROP VIEWwhen the view name is quoted. (#14196)
- Fix potential planning failure for queries involving - UNION. (#14472)
- Fix error when using aggregations in window expressions when the function loaded from a plugin. (#14486) 
Accumulo connector#
- Change the default value of the - accumulo.zookeeper.metadata.rootconfiguration property to- /trino-accumulofrom- /presto-accumulo. (#14326)
BigQuery connector#
ClickHouse connector#
- Fix bug where the intended default value of the - domain-compaction-thresholdconfiguration property was incorrectly used as a maximum limit. (#14350)
Delta Lake connector#
Hive connector#
- Add - max-partition-drops-per-queryconfiguration property to limit the number of partition drops. (#12386)
- Add - hive.s3.regionconfiguration property to force S3 to connect to a specific region. (#14398)
- Improve performance of reading decimal columns from Parquet files. (#14260) 
- Reduce memory usage on the coordinator. (#14408) 
- Reduce query memory usage during inserts to S3. (#14212) 
- Change the name of the - partition_columnand- partition_valuearguments for the- flush_metadata_cacheprocedure to- partition_columnsand- partition_values, respectively, for parity with other procedures. (#13566)
- Change field name matching to be case insensitive. (#13423) 
- Allow setting the AWS STS endpoint and region when using a Glue metastore. (#14412) 
Hudi connector#
- Fix failure when reading hidden columns. (#14341) 
Iceberg connector#
- Improve performance of reading decimal columns from Parquet files. (#14260) 
- Reduce planning time for complex queries. (#14443) 
- Store metastore - table_typeproperty value in uppercase for compatibility with other Iceberg catalog implementations. (#14384)
- Allow setting the AWS STS endpoint and region when using a Glue metastore. (#14412) 
Phoenix connector#
- Fix bug where the intended default value of the - domain-compaction-thresholdconfiguration property was incorrectly used as a maximum limit. (#14350)
SQL Server connector#
- Fix error when querying or listing tables with names that contain special characters. (#14286)