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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)