Release 452 (11 Jul 2024)

General

• Add . ({issue}16083)
• Add support for processing the X-Forwarded-Prefix header when the http-server.process-forwarded property is enabled. ({issue}22227)
• Add support for the {func}euclidean_distance, {func}dot_product, and {func}cosine_distance functions. ({issue}22397)
• Improve performance of queries with selective joins by performing fine-grained filtering of rows using dynamic filters. This behavior is enabled by default and can be disabled using the enable-dynamic-row-filtering configuration property or the enable_dynamic_row_filtering session property. ({issue}22411)
• Fix sporadic query failure when the retry_policy property is set to TASK. ({issue}22617)

Web UI

• Fix query plans occasionally not rendering the stage details page. ({issue}22542)

BigQuery connector

• Add support for using the BigQuery Storage Read API when using the query table function. ({issue}22432)

Black Hole connector

• Add support for adding, dropping and renaming columns. ({issue}22620)

ClickHouse connector

• Add query table function for full query pass-through to ClickHouse. ({issue}16182)

Delta Lake connector

• Add support for type coercion when adding new columns. ({issue}19708)
• Improve performance of reading from Parquet files with large schemas. ({issue}22434)
• Fix incorrect results when reading INT32 values in Parquet files as varchar or decimal types in Trino. ({issue}21556)
• Fix a performance regression when using the native filesystem for Azure. ({issue}22561)

Hive connector

• Add support for changing column types for structural data types for non-partitioned tables using ORC files. ({issue}22326)
• Add support for type coercion when adding new columns. ({issue}19708)
• Add support for changing a column's type from varbinary to varchar. ({issue}22322)
• Improve performance of reading from Parquet files with large schemas. ({issue}22434)
• Fix incorrect results when reading INT32 values in Parquet files as varchar or decimal types in Trino. ({issue}21556)
• Fix sync_partition_metadata ignoring case-sensitive variations of partition names in storage. ({issue}22484)
• Fix a performance regression when using the native filesystem for Azure. ({issue}22561)

Hudi connector

• Improve performance of reading from Parquet files with large schemas. ({issue}22434)
• Fix incorrect results when reading INT32 values in Parquet files as varchar or decimal types in Trino. ({issue}21556)
• Fix a performance regression when using the native filesystem for Azure. ({issue}22561)

Iceberg connector

• Add support for type coercion when adding new columns. ({issue}19708)
• Improve performance of reading from Parquet files with a large number of columns. ({issue}22434)
• Fix files being deleted when dropping tables with the Nessie catalog. ({issue}22392)
• Fix incorrect results when reading INT32 values in Parquet files as varchar or decimal types in Trino. ({issue}21556)
• Fix failure when hidden partition names conflict with other columns. ({issue}22351)
• Fix failure when reading tables with null on partition columns while the optimize_metadata_queries session property is enabled. ({issue}21844)
• Fix failure when listing views with an unsupported dialect in the REST catalog. ({issue}22598)
• Fix a performance regression when using the native filesystem for Azure. ({issue}22561)

Kudu connector

• Fix failure when adding new columns with a decimal type. ({issue}22558)

Memory connector

• Add support for adding new columns. ({issue}22610)
• Add support for renaming columns. ({issue}22607)
• Add support for the NOT NULL constraint. ({issue}22601)

PostgreSQL connector

• Improve performance of the {func}reverse function by pushing down execution to the underlying database. ({issue}22203)