Release 397 (21 Sep 2022)#
General#
Security#
JDBC driver#
Fix potential memory leak when cancelling statements. (#14176)
Delta Lake connector#
Rename the
parquet.experimental-optimized-writer.enabled
configuration property andexperimental_parquet_optimized_writer_enabled
session property toparquet.optimized-writer.enabled
andparquet_optimized_writer_enabled
, respectively. (#14137)
Hive connector#
Rename the
parquet.experimental-optimized-writer.enabled
configuration property andexperimental_parquet_optimized_writer_enabled
session property toparquet.optimized-writer.enabled
andparquet_optimized_writer_enabled
, respectively. (#14137)Improve performance when querying JSON data and Hive S3 Select pushdown is enabled. (#14040)
Improve planning performance when querying tables in the Glue catalog that contain a large number of columns. (#14206)
Allow reading from a partitioned table after a column’s data type was changed from
decimal
tovarchar
orstring
. (#2817)Fix query failure when reading from a Hive view and
hive.hive-views.run-as-invoker
andhive.hive-views.legacy-translation
are both enabled. (#14077)
Iceberg connector#
Improve performance of queries that contain predicates involving
date_trunc
with anhour
unit ondate
,timestamp
, ortimestamp with time zone
partition columns. (#14161)Improve performance of reads after a
DELETE
removes all rows from a file. (#14198)Reduce query latency when using a Glue catalog for metadata. (#13875)
Fix materialized views temporarily appearing empty when a refresh is about to complete. (#14145)
Fix potential table corruption when changing a table before it is known if committing to the Hive metastore has failed or succeeded. (#14174)