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Release 402 (2 Nov 2022)

General​

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-connection configuration property. (#14653)

Delta Lake connector​

  • Remove the deprecated hive.parquet.fail-on-corrupted-statistics and parquet.fail-on-corrupted-statistics configuration properties. The parquet.ignore-statistics property can be used to allow querying Parquet files with corrupted or incorrect statistics. (#14777)
  • Fix memory leak and improve memory tracking during large INSERT queries. (#14823)

Druid connector​

  • Reuse JDBC connections for metadata queries. This can be disabled with the query.reuse-connection configuration property. (#14653)

Hive connector​

  • Add support for column comments on view columns. (#10705)
  • Remove the deprecated hive.parquet.fail-on-corrupted-statistics and parquet.fail-on-corrupted-statistics configuration properties. The parquet.ignore-statistics property can be used to allow querying Parquet files with corrupted or incorrect statistics. (#14777)
  • Fix memory leak and improve memory tracking during large INSERT queries. (#14823)

Hudi connector​

  • Remove the deprecated hive.parquet.fail-on-corrupted-statistics and parquet.fail-on-corrupted-statistics configuration properties. The parquet.ignore-statistics property 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-archive configuration property is set to true. (#13413)
  • Add support for column comments on view columns. (#10705)
  • Remove the deprecated hive.parquet.fail-on-corrupted-statistics and parquet.fail-on-corrupted-statistics configuration properties. The parquet.ignore-statistics property 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 INSERT queries. (#14823)

MariaDB connector​

  • Reuse JDBC connections for metadata queries. This can be disabled with the query.reuse-connection configuration 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-connection configuration property. (#14653)

MongoDB connector​

  • Support predicate pushdown on date, time(3), timestamp(3) and timestamp(3) with time zone columns. (#14795)

Oracle connector​

  • Reuse JDBC connections for metadata queries. This can be disabled with the query.reuse-connection configuration property. (#14653)

Phoenix connector​

  • Reuse JDBC connections for metadata queries. This can be disabled with the query.reuse-connection configuration property. (#14653)

PostgreSQL connector​

  • Reuse JDBC connections for metadata queries. This can be disabled with the query.reuse-connection configuration property. (#14653)

Redshift connector​

  • Reuse JDBC connections for metadata queries. This can be disabled with the query.reuse-connection configuration property. (#14653)

SingleStore (MemSQL) connector​

  • Reuse JDBC connections for metadata queries. This can be disabled with the query.reuse-connection configuration property. (#14653)

SQL Server connector​

  • Improve performance of certain queries which use the OR operator. (#14570)
  • Improve performance of queries with predicates involving the nullif function or arithmetic expressions. (#14570)