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Release 434 (29 Nov 2023)

General​

  • Add support for a FILTER clause to the LISTAGG function. (#19869)
  • ⚠️ Breaking change: 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​

  • ⚠️ Breaking change: 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​

  • ⚠️ Breaking change: Remove support for legacy table statistics tracking. (#19803)
  • ⚠️ Breaking change: 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​