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: ({issue}`25381`)

General

Add support for array literals. ({issue}25301)
Reduce the amount of memory required for DISTINCT and GROUP BY operations. ({issue}25127)
Improve performance of GROUP BY and DISTINCT aggregations when spilling to disk is enabled
or grouping by row, array, or map columns ({issue}25294)
Fix failure when setting comments on columns with upper case letters. ({issue}25297)
Fix potential query failure when retry_policy set to TASK ({issue}25217)

Security

Add LDAP-based group provider. ({issue}23900)
Fix column masks not being applied on view columns with upper case. ({issue}24054)

BigQuery connector

Fix failure when initializing the connector on a machine with more than 32 CPU cores. ({issue}25228)

Delta Lake connector

Remove the deprecated glue-v1 metastore type. ({issue}25201)
Remove deprecated Databricks Unity catalog integration. ({issue}25250)
Fix Glue endpoint URL override. ({issue}25324)

Hive connector

Remove the deprecated glue-v1 metastore type. ({issue}25201)
Remove deprecated Databricks Unity catalog integration. ({issue}25250)
Fix Glue endpoint URL override. ({issue}25324)

Hudi connector

Fix queries getting stuck when reading empty partitions. ({issue}19506 )
Remove the deprecated glue-v1 metastore type. ({issue}25201)
Fix Glue endpoint URL override. ({issue}25324)

Iceberg connector

Set the write.<filetype>.compression-codec table property when creating new tables. ({issue}24851)
Expose additional properties in $properties tables. ({issue}24812)
Fix Glue endpoint URL override. ({issue}25324)

Kudu connector

Remove the Kudu connector. ({issue}24417)

Phoenix connector

Remove the Phoenix connector. ({issue}24135)

SPI

Add SourcePage interface and ConnectorPageSource.getNextSourcePage(). ({issue}24011)
Deprecate ConnectorPageSource.getNextPage() for removal. ({issue}24011)