Release 425 (24 Aug 2023)#

General#

  • Improve performance of GROUP BY. (#18106)

  • Fix incorrect reporting of cumulative memory usage. (#18714)

BlackHole connector#

  • Remove support for materialized views. (#18628)

Delta Lake connector#

  • Add support for check constraints in MERGE statements. (#15411)

  • Improve performance when statistics are missing from the transaction log. (#16743)

  • Improve memory usage accounting of the Parquet writer. (#18756)

  • Improve performance of DELETE statements when they delete the whole table or when the filters only apply to partition columns. (#18332)

Hive connector#

  • Add support for CASCADE option in DROP SCHEMA statements. (#18320)

  • Create a new directory if the specified external location for a new table does not exist. (#17920)

  • Improve memory usage accounting of the Parquet writer. (#18756)

  • Improve performance of writing to JSON files. (#18683)

Iceberg connector#

  • Improve memory usage accounting of the Parquet writer. (#18756)

Kudu connector#

  • Add support for CASCADE option in DROP SCHEMA statements. (#18629)

MongoDB connector#

  • Add support for the Decimal128 MongoDB type. (#18722)

  • Add support for CASCADE option in DROP SCHEMA statements. (#18629)

  • Fix query failure when reading the value of -0 as a decimal type. (#18777)