Release 434 (29 Nov 2023)#

General#

  • Add support for a FILTER clause to the LISTAGG function. (#19869)

  • ⚠️ Rename the query.max-writer-tasks-count configuration property and the related max_writer_tasks_count session property to query.max-writer-task-count and max_writer_task_count. (#19793)

  • Improve performance of INSERT ... SELECT queries that contain a redundant ORDER BY clause. (#19916)

  • Fix incorrect results for queries involving comparisons between double and real zero and negative zero. (#19828)

  • Fix performance regression caused by suboptimal scalar subqueries planning. (#19922)

  • Fix failure when queries on data stored on HDFS involve table functions. (#19849)

  • Prevent sudden increases in memory consumption in some queries with joins involving UNNEST. (#19762)

BigQuery connector#

  • Add support for reading json columns. (#19790)

  • Add support for DELETE statement. (#6870)

  • Improve performance when writing rows. (#18897)

ClickHouse connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

Delta Lake connector#

  • ⚠️ Disallow invalid configuration options. Previously, they were silently ignored. (#19735)

  • Improve performance when reading large checkpoint files on partitioned tables. (#19588, #19848)

  • Push down filters involving columns of type timestamp(p) with time zone. (#18664)

  • Fix query failure when reading Parquet column index for timestamp columns. (#16801)

Druid connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

Hive connector#

  • Add support for columns that changed from timestamp to date type. (#19513)

  • Fix query failure when reading Parquet column index for timestamp columns. (#16801)

Hudi connector#

  • Fix query failure when reading Parquet column index for timestamp columns. (#16801)

Iceberg connector#

  • ⚠️ Remove support for legacy table statistics tracking. (#19803)

  • ⚠️ Disallow invalid configuration options. Previously, they were silently ignored. (#19735)

  • Fix query failure when reading Parquet column index for timestamp columns. (#16801)

  • Don’t set owner for Glue materialized views when system security is enabled. (#19681)

Ignite connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

MariaDB connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

MySQL connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

Oracle connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

Phoenix connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

PostgreSQL connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

  • Prevent possible query failures when join is pushed down. (#18984)

Redshift connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

  • Prevent possible query failures when join is pushed down. (#18984)

SingleStore connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

SQL Server connector#

  • Add support for separate metadata caching configuration for schemas, tables, and metadata. (#19859)

  • Prevent possible query failures when join is pushed down. (#18984)

SPI#

  • Add bulk append methods to BlockBuilder. (#19577)

  • ⚠️ Remove the VariableWidthBlockBuilder.buildEntry method. (#19577)

  • ⚠️ Add required ConnectorSession parameter to the method TableFunctionProcessorProvider.getDataProcessor. (#19778)