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.enabledconfiguration property andexperimental_parquet_optimized_writer_enabledsession property toparquet.optimized-writer.enabledandparquet_optimized_writer_enabled, respectively. (#14137)
Hive connector#
Rename the
parquet.experimental-optimized-writer.enabledconfiguration property andexperimental_parquet_optimized_writer_enabledsession property toparquet.optimized-writer.enabledandparquet_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
decimaltovarcharorstring. (#2817)Fix query failure when reading from a Hive view and
hive.hive-views.run-as-invokerandhive.hive-views.legacy-translationare both enabled. (#14077)
Iceberg connector#
Improve performance of queries that contain predicates involving
date_truncwith anhourunit ondate,timestamp, ortimestamp with time zonepartition columns. (#14161)Improve performance of reads after a
DELETEremoves 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)