Release 395 (7 Sep 2022)#
General#
Reduce memory consumption when fault-tolerant execution is enabled. (#13855)
Reduce memory consumption of aggregations. (#12512)
Improve performance of aggregations with decimals. (#13573)
Improve concurrency for large clusters. (#13934,
13986
)Remove
information_schema.role_authorization_descriptors
table. (#11341)Fix
SHOW CREATE TABLE
orSHOW COLUMNS
showing an invalid type for columns that use a reserved keyword as column name. (#13483)
ClickHouse connector#
Fix query failure when renaming or dropping a column with a name which matches a reserved keyword or has special characters which require it to be quoted. (#13839)
Delta Lake connector#
Add support for the
ALTER TABLE ... RENAME TO
statement with a Glue metastore. (#12985)Improve performance of inserts by automatically scaling the number of writers within a worker node. (#13111)
Enforce
delta.checkpoint.writeStatsAsJson
anddelta.checkpoint.writeStatsAsStruct
table properties to ensure table statistics are written in the correct format. (#12031)
Hive connector#
Improve performance of inserts by automatically scaling the number of writers within a worker node. (#13111)
Improve performance of S3 Select when using CSV files as an input. (#13754)
Fix error where the S3 KMS key is not searched in the proper AWS region when S3 client-side encryption is used. (#13715)
Iceberg connector#
MariaDB connector#
Fix query failure when renaming or dropping a column with a name which matches a reserved keyword or has special characters which require it to be quoted. (#13839)
Memory connector#
Add support for table and column comments. (#13936)
MongoDB connector#
Fix query failure when filtering on columns of
json
type. (#13536)
MySQL connector#
Fix query failure when renaming or dropping a column with a name which matches a reserved keyword or has special characters which require it to be quoted. (#13839)
Oracle connector#
Fix query failure when renaming or dropping a column with a name which matches a reserved keyword or has special characters which require it to be quoted. (#13839)
Phoenix connector#
Fix query failure when adding, renaming, or dropping a column with a name which matches a reserved keyword or has special characters which require it to be quoted. (#13839)
PostgreSQL connector#
Fix query failure when renaming or dropping a column with a name which matches a reserved keyword or has special characters which require it to be quoted. (#13839)
Prometheus connector#
Add support for case-insensitive table name matching with the
prometheus.case-insensitive-name-matching
configuration property. (#8740)
Redshift connector#
Fix query failure when renaming or dropping a column with a name which matches a reserved keyword or has special characters which require it to be quoted. (#13839)
SingleStore (MemSQL) connector#
Fix query failure when renaming or dropping a column with a name which matches a reserved keyword or has special characters which require it to be quoted. (#13839)
SQL Server connector#
Fix query failure when renaming or dropping a column with a name which matches a reserved keyword or has special characters which require it to be quoted. (#13839)