Release 457 (6 Sep 2024)

General

• Expose additional JMX metrics about resource groups, including CPU and memory usage, limits, and scheduling policy. (#22957)
• Improve performance of queries involving joins when fault tolerant execution is enabled. This adaptive plan optimization can be disabled with the fault-tolerant-execution-adaptive-join-reordering-enabled configuration property or the fault_tolerant_execution_adaptive_join_reordering_enabled session property. (#23046)
• Improve performance for LZ4, Snappy and ZSTD compression and decompression used for exchange spooling with fault-tolerant execution. (#22532)
• ⚠️ Breaking change: Shorten the name for the Kafka event listener to kafka. (#23308)
• Extend the Kafka event listener to send split completion events. (#23065)

JDBC driver

• Publish a JDBC driver JAR without bundled, third-party dependencies. (#22098)

BigQuery connector

• Fix failures with queries using table functions when parent-project-id is defined. (#23041)

Blackhole connector

• Add support for the REPLACE modifier as part of a CREATE TABLE statement. (#23004)

Delta Lake connector

• Add support for creating tables with deletion vector. (#22104)
• Improve performance for concurrent write operations on S3 by using lock-less Delta Lake write reconciliation. (#23145)
• Improve performance for LZ4, Snappy, and ZSTD compression and decompression. (#22532)
• Fix SSE configuration when using S3SecurityMapping with kmsKeyId configured. (#23299)

Hive connector

• Improve performance of queries that scan a large number of partitions. (#23194)
• Improve performance for LZ4, Snappy, and ZSTD compression and decompression. (#22532)
• Fix OpenX JSON decoding a JSON array line that resulted in data being written to the wrong output column. (#23120)

Hudi connector

• Improve performance for LZ4, Snappy, and ZSTD compression and decompression. (#22532)

Iceberg connector

• Improve performance for LZ4, Snappy, and ZSTD compression and decompression. (#22532)

Memory connector

• Add support for renaming schemas with ALTER SCHEMA ... RENAME. (#22659)

Prometheus connector

• Fix reading large Prometheus responses. (#23025)

SPI

• Remove the deprecated ConnectorMetadata.createView method. (#23208)
• Remove the deprecated ConnectorMetadata.beginRefreshMaterializedView method. (#23212)
• Remove the deprecated ConnectorMetadata.finishInsert method. (#23213)
• Remove the deprecated ConnectorMetadata.createTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, boolean ignoreExisting) method. (#23209)
• Remove the deprecated ConnectorMetadata.beginCreateTable method. (#23211)
• Remove the deprecated ConnectorSplit.getInfo method. (#23271)
• Remove the deprecated DecimalConversions.realToShortDecimal(long value, long precision, long scale) method. ( #23275)
• Remove the deprecated constructor from the ConstraintApplicationResult class. (#23272)