Release 402 (2 Nov 2022)#
General#
- Fix query processing when fault-tolerant execution is enabled and a stage of the query produces no data. (#14794) 
Blackhole connector#
- Add support for column comments on view columns. (#10705) 
Clickhouse connector#
- Reuse JDBC connections for metadata queries. This can be disabled with the - query.reuse-connectionconfiguration property. (#14653)
Delta Lake connector#
- Remove the deprecated - hive.parquet.fail-on-corrupted-statisticsand- parquet.fail-on-corrupted-statisticsconfiguration properties. The- parquet.ignore-statisticsproperty can be used to allow querying Parquet files with corrupted or incorrect statistics. (#14777)
- Fix memory leak and improve memory tracking during large - INSERTqueries. (#14823)
Druid connector#
- Reuse JDBC connections for metadata queries. This can be disabled with the - query.reuse-connectionconfiguration property. (#14653)
Hive connector#
- Add support for column comments on view columns. (#10705) 
- Remove the deprecated - hive.parquet.fail-on-corrupted-statisticsand- parquet.fail-on-corrupted-statisticsconfiguration properties. The- parquet.ignore-statisticsproperty can be used to allow querying Parquet files with corrupted or incorrect statistics. (#14777)
- Fix memory leak and improve memory tracking during large - INSERTqueries. (#14823)
Hudi connector#
- Remove the deprecated - hive.parquet.fail-on-corrupted-statisticsand- parquet.fail-on-corrupted-statisticsconfiguration properties. The- parquet.ignore-statisticsproperty can be used to allow querying Parquet files with corrupted or incorrect statistics. (#14777)
Iceberg connector#
- Add support to skip archiving when committing to a table in the Glue metastore and the - iceberg.glue.skip-archiveconfiguration property is set to true. (#13413)
- Add support for column comments on view columns. (#10705) 
- Remove the deprecated - hive.parquet.fail-on-corrupted-statisticsand- parquet.fail-on-corrupted-statisticsconfiguration properties. The- parquet.ignore-statisticsproperty can be used to allow querying Parquet files with corrupted or incorrect statistics. (#14777)
- Fix incorrect results when the column order in the equality delete filter is different from the table definition. (#14693) 
- Fix memory leak and improve memory tracking during large - INSERTqueries. (#14823)
MariaDB connector#
- Reuse JDBC connections for metadata queries. This can be disabled with the - query.reuse-connectionconfiguration property. (#14653)
Memory connector#
- Add support for column comments on view columns. (#10705) 
MySQL connector#
- Reuse JDBC connections for metadata queries. This can be disabled with the - query.reuse-connectionconfiguration property. (#14653)
MongoDB connector#
- Support predicate pushdown on - date,- time(3),- timestamp(3)and- timestamp(3) with time zonecolumns. (#14795)
Oracle connector#
- Reuse JDBC connections for metadata queries. This can be disabled with the - query.reuse-connectionconfiguration property. (#14653)
Phoenix connector#
- Reuse JDBC connections for metadata queries. This can be disabled with the - query.reuse-connectionconfiguration property. (#14653)
PostgreSQL connector#
- Reuse JDBC connections for metadata queries. This can be disabled with the - query.reuse-connectionconfiguration property. (#14653)
Redshift connector#
- Reuse JDBC connections for metadata queries. This can be disabled with the - query.reuse-connectionconfiguration property. (#14653)
SingleStore (MemSQL) connector#
- Reuse JDBC connections for metadata queries. This can be disabled with the - query.reuse-connectionconfiguration property. (#14653)