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@wangsimo0 wangsimo0 released this 05 Sep 05:55
· 2902 commits to main since this release
3.3.3
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3.3.3

Release date: September 5, 2024

New Features

  • Supports user-level variables. #48477
  • Supports Delta Lake Catalog metadata cache with manual and periodic refresh strategies. #46526 #49069
  • Supports loading JSON types from Parquet files. #49385
  • JDBC SQL Server Catalog supports queries with LIMIT. #48248
  • Shared-data clusters support Partial Updates with INSERT INTO. #49336

Improvements

  • Optimized error messages for loading:
    • When memory limits are reached during loading, the IP of the corresponding BE node is returned for easier troubleshooting. #49335
    • Detailed messages are provided when CSV data is loaded to target table columns that are not long enough. #49713
    • Specific node information is provided when Kerberos authentication fails in Broker Load. #46085
  • Optimized the partitioning mechanism during data loading to reduce memory usage in the initial stage. #47976
  • Optimized memory usage for shared-nothing clusters by limiting metadata memory usage to avoid issues when there are too many Tablets or Segment files. #49170
  • Optimized the performance of queries using max(partition_column). #49391
  • Partition pruning is used to optimize query performance when the partition column is a generated column (a column that is calculated based on a native column in the table), and the query predicate filter condition includes the native column. #48692
  • Supports masking authentication information for Files() and PIPE. #47629
  • Introduced a new statement show proc '/global_current_queries' to view queries running on all FE nodes. show proc '/current_queries' only shows queries running on the current FE node. #49826

Bug Fixes

Fixed the following issues:

  • The source cluster's BE nodes were mistakenly added to the current cluster when exporting data to the destination cluster via StarRocks external tables. #49323
  • TINYINT data type returned NULL when StarRocks reads ORC files using select * from files from clusters deployed on aarch64 machines. #49517
  • Stream Load fails when loading JSON files containing large Integer types. #49927
  • Incorrect schema is returned due to improper handling of invisible characters when users load CSV files with Files(). #49718
  • An issue with temporary partition replacement in tables with multiple partition columns. #49764

Behavior Changes

  • Introduced a new parameter object_storage_rename_file_request_timeout_ms to better accommodate backup scenarios with cloud object storage. This parameter will be used as the backup timeout, with a default value of 30 seconds. #49706
  • to_json, CAST(AS MAP), and STRUCT AS JSON will return NULL instead of throwing an error by default when the conversion fails. You can allow errors by setting the system variable sql_mode to ALLOW_THROW_EXCEPTION. #50157
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