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@yingtingdong yingtingdong released this 30 Sep 08:24
· 2783 commits to main since this release
3.3.4
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3.3.4

Release date: September 30, 2024

New Features

  • Supports creating asynchronous materialized views on List Partition tables. #46680 #46808
  • List Partition tables now support Nullable partition columns. #47797
  • Supports viewing external file schema information using DESC FILES(). #50527
  • Supports viewing replication task metrics via SHOW PROC '/replications'. #50483

Improvements

  • Optimized data recycling performance for TRUNCATE TABLE in shared-data clusters. #49975
  • Supports intermediate result spilling for CTE operators. #47982
  • Supports adaptive phased scheduling to alleviate OOM issues caused by complex queries. #47868
  • Supports predicate pushdown for STRING-type date or datatime columns in specific scenarios. #50643
  • Supports COUNT DISTINCT computation on constant semi-structured data. #48273
  • Added a new FE parameter lake_enable_balance_tablets_between_workers to enable tablet balancing for tables in shared-date clusters. #50843
  • Enhanced query rewrite capabilities for generated columns. #50398
  • Partial Update now supports automatically populating columns with default values of CURRENT_TIMESTAMP. #50287

Bug Fixes

Fixed the following issues:

  • The error "version has been compacted" caused by an infinite loop on the FE side during Tablet Clone. #50561
  • ISO- formatted DATETIME types cannot be pushed down. #49358
  • In concurrent scenarios, data still existed after the tablet was deleted. #50382
  • Incorrect results returned by the yearweek function. #51065
  • An issue with low cardinality dictionaries in ARRAY during CTE queries. #51148
  • After FE restarts, partition TTL-related parameters were lost for materialized views. #51028
  • Data loss in columns defined with CURRENT_TIMESTAMP after upgrading. #50911
  • A stack overflow caused by the array_distinct function. #51017
  • Activation failures for materialized views after upgrading due to changes in default field lengths. You can avoid such issues by setting enable_active_materialized_view_schema_strict_check to false. #50869
  • Resource group property cpu_weight can be set to a negative value. #51005
  • Incorrect statistics for disk capacity information. #50669
  • Constant fold in the replace function. #50828

Behavior Changes

  • Changed the default replica number for external catalog-based materialized views from 1 to the value of the FE parameter default_replication_num (Default value: 3). #50931
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