Release 473 (19 Mar 2025)#

Warning

This release is broken and should not be used. GROUP BY and DISTINCT queries containing more than 33M unique groups can produce incorrect results. See: (#25381)

General#

  • Add support for array literals. (#25301)

  • Reduce the amount of memory required for DISTINCT and GROUP BY operations. (#25127)

  • Improve performance of GROUP BY and DISTINCT aggregations when spilling to disk is enabled
    or grouping by row, array, or map columns (#25294)

  • Fix failure when setting comments on columns with upper case letters. (#25297)

  • Fix potential query failure when retry_policy set to TASK (#25217)

Security#

  • Add LDAP-based group provider. (#23900)

  • Fix column masks not being applied on view columns with upper case. (#24054)

BigQuery connector#

  • Fix failure when initializing the connector on a machine with more than 32 CPU cores. (#25228)

Delta Lake connector#

  • Remove the deprecated glue-v1 metastore type. (#25201)

  • Remove deprecated Databricks Unity catalog integration. (#25250)

  • Fix Glue endpoint URL override. (#25324)

Hive connector#

  • Remove the deprecated glue-v1 metastore type. (#25201)

  • Remove deprecated Databricks Unity catalog integration. (#25250)

  • Fix Glue endpoint URL override. (#25324)

Hudi connector#

  • Fix queries getting stuck when reading empty partitions. (#19506)

  • Remove the deprecated glue-v1 metastore type. (#25201)

  • Fix Glue endpoint URL override. (#25324)

Iceberg connector#

  • Set the write.<filetype>.compression-codec table property when creating new tables. (#24851)

  • Expose additional properties in $properties tables. (#24812)

  • Fix Glue endpoint URL override. (#25324)

Kudu connector#

  • Remove the Kudu connector. (#24417)

Phoenix connector#

  • Remove the Phoenix connector. (#24135)

SPI#

  • Add SourcePage interface and ConnectorPageSource.getNextSourcePage(). (#24011)

  • Deprecate ConnectorPageSource.getNextPage() for removal. (#24011)