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Release 381 (16 May 2022)

General​

  • Add support for fault-tolerant execution with exchange spooling on Azure Blob Storage. (#12211)
  • Add experimental support for Table functions. (#1839)
  • Increase the default number of stages allowed for a query from 100 to 150, specified with query.max-stage-count. (#12292)
  • Allow configuring the number of partitions for distributed joins and aggregations when task-based fault-tolerant execution is enabled. This can be set with the fault-tolerant-execution-partition-count configuration property or the fault_tolerant_execution_partition_count session property. (#12263)
  • Introduce the least-waste low memory task killer policy. This policy avoids killing tasks that are already executing for a long time, so the amount of wasted work is minimized. It can be enabled with the task.low-memory-killer.policy configuration property. (#12393)
  • Fix potential planning failure of queries with multiple subqueries. (#12199)

Security​

  • Add support for automatic discovery of OpenID Connect metadata with OAuth 2.0 authentication. (#9788)
  • Re-introduce ldap.ssl-trust-certificate as legacy configuration to avoid failures when updating Trino version. (#12187)
  • Fix potential query failure when a table has multiple column masks defined. (#12262)
  • Fix incorrect masking of columns when multiple rules in file-based system and connector access controls match. (#12203)
  • Fix authentication failure when using the LDAP password authenticator with ActiveDirectory. (#12321)

Web UI​

  • Ensure consistent sort order in the list of workers. (#12290)

Docker image​

  • Improve Advanced Encryption Standard (AES) processing performance on ARM64 processors. This is used for operations such as accessing object storage systems via TLS/SSL. (#12251)

CLI​

  • Add automatic suggestions from command history. This can be disabled with the --disable-auto-suggestion option. (#11671)

BigQuery connector​

  • Support reading materialized views. (#12352)
  • Allow skipping view materialization via bigquery.skip-view-materialization configuration property. (#12210)
  • Support reading snapshot tables. (#12380)

ClickHouse connector​

Druid connector​

  • Prevent data loss when non-transactional insert fails. (#12229)

Elasticsearch connector​

  • Improve query performance by simplifying filters sent to Elasticsearch. (#10717)
  • Fix failure when reading nested timestamp values that are not ISO 8601 formatted. (#12250)

Hive connector​

  • Fix query failure when the table and partition bucket counts do not match. (#11885)

Iceberg connector​

MariaDB connector​

  • Prevent data loss when non-transactional insert fails. (#12229)

MySQL connector​

  • Prevent data loss when non-transactional insert fails. (#12229)

Oracle connector​

  • Prevent data loss when non-transactional insert fails. (#12229)

PostgreSQL connector​

  • Prevent data loss when non-transactional insert fails. (#12225)

Redis connector​

  • Allow specifying the refresh interval for fetching the table description with the redis.table-description-cache-ttl configuration property. (#12240)
  • Support setting username for the connection with the redis.user configuration property. (#12279)

Redshift connector​

  • Prevent data loss when non-transactional insert fails. (#12229)

SingleStore (MemSQL) connector​

  • Prevent data loss when non-transactional insert fails. (#12229)

SQL Server connector​

  • Prevent data loss when non-transactional insert fails. (#12229)

SPI​

  • Remove deprecated ConnectorMetadata methods without the retry mode parameter. (#12342)