Release 327 (20 Dec 2019)#
General#
- Fix join query failure when late materialization is enabled. (#2144) 
- Fix failure of - word_stem()for certain inputs. (#2145)
- Fix query failure when using - transform_values()inside- try()and the transformation fails for one of the rows. (#2315)
- Fix potential incorrect results for aggregations involving - FILTER (WHERE ...)when the condition is a reference to a table column. (#2267)
- Allow renaming views with ALTER VIEW. (#1060) 
- Add - error_typeand- error_codecolumns to- system.runtime.queries. (#2249)
- Rename - experimental.work-processor-pipelinesconfiguration property to- experimental.late-materialization.enabledand rename- work_processor_pipelinessession property to- late_materialization. (#2275)
Security#
- Allow using multiple system access controls. (#2178) 
- Add Password file authentication. (#797) 
Hive connector#
- Fix incorrect query results when reading - timestampvalues from ORC files written by Hive 3.1 or later. (#2099)
- Fix a CDH 5.x metastore compatibility issue resulting in failure when analyzing or inserting into a table with - datecolumns. (#556)
- Reduce number of metastore calls when fetching partitions. (#1921) 
- Support reading from insert-only transactional tables. (#576) 
- Deprecate - parquet.fail-on-corrupted-statistics(previously known as- hive.parquet.fail-on-corrupted-statistics). Setting this configuration property to- falsemay hide correctness issues, leading to incorrect query results. Session property- parquet_fail_with_corrupted_statisticsis deprecated as well. Both configuration and session properties will be removed in a future version. (#2129)
- Improve concurrency when updating table or partition statistics. (#2154) 
- Add support for renaming views. (#2189) 
- Allow configuring the - hive.orc.use-column-namesconfig property on a per-session basis using the- orc_use_column_namessession property. (#2248)
Kudu connector#
MongoDB connector#
- Add support for reading from views. (#2156) 
PostgreSQL connector#
- Allow converting unsupported types to - VARCHARby setting the session property- unsupported_type_handlingor configuration property- unsupported-type-handlingto- CONVERT_TO_VARCHAR. (#1182)
MySQL connector#
- Fix - INSERTquery failure when- GTIDmode is enabled. (#2251)
Elasticsearch connector#
- Improve performance for queries involving equality and range filters over table columns. (#2310) 
Google Sheets connector#
- Fix incorrect results when listing tables in - information_schema. (#2118)
SPI#
- Add - executionTimeto- QueryStatisticsfor event listeners. (#2247)