Apache Hive官网普通更新（2022-04-08）

普通更新

<br/><br/> Release Notes - Hive - Version 3.1.3<br/> <br/> Bug<br/><br/><br/>[HIVE-21489] - EXPLAIN command throws ClassCastException in Hive<br/><br/>[HIVE-22405] - Add ColumnVector support for ProlepticCalendar<br/><br/>[HIVE-22407] - Hive metastore upgrade scripts have incorrect (or outdated) comment syntax<br/><br/>[HIVE-22410] - CachedStore Prewarm Failure NPE<br/><br/>[HIVE-22704] - Distribution package incorrectly ships the upgrade.order files from the metastore module<br/><br/>[HIVE-22981] - DataFileReader is not closed in AvroGenericRecordReader#extractWriterTimezoneFromMetadata<br/><br/>[HIVE-23088] - Using Strings from log4j breaks non-log4j users<br/><br/>[HIVE-24316] - Upgrade ORC from 1.5.6 to 1.5.8 in branch-3.1<br/><br/>[HIVE-24636] - Memory leak due to stacking UDFClassLoader in Apache Commons LogFactory<br/><br/>[HIVE-24653] - Race condition between compactor marker generation and get splits<br/><br/>[HIVE-24747] - Backport HIVE-24569 to branch-3.1<br/><br/>[HIVE-24851] - resources leak on exception in AvroGenericRecordReader constructor<br/><br/>[HIVE-24964] - Backport HIVE-22453: Describe table unnecessarily fetches partitions<br/><br/>[HIVE-25416] - Hive metastore memory leak because datanucleus-api-jdo bug<br/><br/>[HIVE-25567] - Cannot import table from Tibero to Hive.<br/><br/>[HIVE-25600] - Compaction job creates redundant base/delta folder within base/delta folder<br/><br/><br/> <br/> Improvement<br/><br/><br/>[HIVE-21563] - Improve Table#getEmptyTable performance by disable registerAllFunctionsOnce<br/><br/>[HIVE-22241] - Implement UDF to interpret date/timestamp using its internal representation and Gregorian-Julian hybrid calendar<br/><br/>[HIVE-22384] - Hive MetaStore CachedStore Funcion Cache Dev<br/><br/>[HIVE-23044] - Make sure Cleaner doesn&amp;#39;t delete delta directories for running queries<br/><br/>[HIVE-24324] - Remove deprecated API usage from Avro<br/><br/>[HIVE-24391] - FIX TestOrcFile failures in branch-3.1 <br/><br/>[HIVE-24414] - Backport HIVE-19662 to branch-3.1<br/><br/>[HIVE-24436] - Fix Avro NULL_DEFAULT_VALUE compatibility issue<br/><br/>[HIVE-24965] - Describe table partition stats fetch should be configurable<br/><br/>[HIVE-24984] - Backport HIVE-24965: Describe table partition stats fetch should be configurable<br/><br/>[HIVE-25522] - NullPointerException in TxnHandler<br/><br/><br/> <br/> Task<br/><br/><br/>[HIVE-24788] - Backport HIVE-23338 to branch-3.1<br/><br/><br/>

Hive是基于hadoop的一个数据仓库工具,可以将结构化数据文件映射为一张数据库表,并提供类SQL查询功能.

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