Release 382 (25 May 2022)#

General#

  • Add support for fault-tolerant execution with exchange spooling on Google Cloud Storage. (#12360)

  • Drop support for exchange spooling on S3 with for the legacy schemes s3n:// and s3a://. (#12360)

  • Improve join performance when one side of the join is small. (#12257)

  • Fix potential query failures due to EXCEEDED_TASK_DESCRIPTOR_STORAGE_CAPACITY errors with task-based fault-tolerant execution. (#12478)

BigQuery connector#

Delta Lake connector#

  • Improve performance of queries that include filters on columns of timestamp with time zone type. (#12007)

  • Add support for adding columns with ALTER TABLE. (#12371)

Hive connector#

  • Add support for disabling partition caching in the Hive metastore with the hive.metastore-cache.cache-partitions catalog configuration property. (#12343)

  • Fix potential query failure when metastore caching is enabled. (#12513)

  • Fix query failure when a transactional table contains a column named operation, originalTransaction, bucket, rowId, row, or currentTransaction. (#12401)

  • Fix sync_partition_metadata procedure failure when table has a large number of partitions. (#12525)

Iceberg connector#

  • Support updating Iceberg table partitioning using ALTER TABLE ... SET PROPERTIES. (#12174)

  • Improves the performance of queries using equality and IN predicates when reading ORC data that contains Bloom filters. (#11732)

  • Rename the delete_orphan_files table procedure to remove_orphan_files. (#12468)

  • Improve query performance of reads after DELETE removes all rows from a file. (#12197)

MySQL connector#

  • Improve INSERT performance. (#12411)

Oracle connector#

  • Improve INSERT performance when data includes NULL values. (#12400)

PostgreSQL connector#

  • Improve INSERT performance. (#12417)

Prometheus connector#

  • Add support for Basic authentication. (#12302)

SPI#

  • Change ConnectorTableFunction into an interface and add AbstractConnectorTableFunction class as the base implementation of table functions. (#12531)