Release 332 (08 Apr 2020)#
General#
Fix query failure during planning phase for certain queries involving multiple joins. (#3149)
Fix execution failure for queries involving large
IN
predicates on decimal values with precision larger than 18. (#3191)Fix prepared statements or view creation for queries containing certain nested aliases or
TABLESAMPLE
clauses. (#3250)Fix rare query failure. (#2981)
Ignore trailing whitespace when loading configuration files such as
etc/event-listener.properties
oretc/group-provider.properties
. Trailing whitespace inetc/config.properties
and catalog properties files was already ignored. (#3231)Reduce overhead for internal communication requests. (#3215)
Include filters over all table columns in output of
EXPLAIN (TYPE IO)
. (#2743)Support configuring multiple event listeners. The properties files for all the event listeners can be specified using the
event-listener.config-files
configuration property. (#3128)Add
CREATE SCHEMA ... AUTHORIZATION
syntax to create a schema with specified owner. (#3066).Add
optimizer.push-partial-aggregation-through-join
configuration property to control pushing partial aggregations through inner joins. Previously, this was only available via thepush_partial_aggregation_through_join
session property. (#3205)Rename configuration property
optimizer.push-aggregation-through-join
tooptimizer.push-aggregation-through-outer-join
. (#3205)Add operator statistics for the number of splits processed with a dynamic filter applied. (#3217)
Security#
JDBC driver#
BigQuery connector#
Extract parent project ID from service account before looking at the environment. (#3131)
Elasticsearch connector#
Hive connector#
Fix failure reading certain Parquet files larger than 2GB. (#2730)
Improve performance when reading gzip-compressed Parquet data. (#3175)
Explicitly disallow reading from Delta Lake tables. Previously, reading from partitioned tables would return zero rows, and reading from unpartitioned tables would fail with a cryptic error. (#3366)
Add
hive.fs.new-directory-permissions
configuration property for setting the permissions of new directories created by Presto. Default value is0777
, which corresponds to previous behavior. (#3126)Add
hive.partition-use-column-names
configuration property and matchingpartition_use_column_names
catalog session property that allows to match columns between table and partition schemas by names. By default they are mapped by index. (#2933)Add support for
CREATE SCHEMA ... AUTHORIZATION
to create a schema with specified owner. (#3066).Allow specifying the Glue metastore endpoint URL using the
hive.metastore.glue.endpoint-url
configuration property. (#3239)Add experimental file system caching. This can be enabled with the
hive.cache.enabled
configuration property. (#2679)Support reading files compressed with newer versions of LZO. (#3209)
Add support for Alluxio Catalog Service. (#2116)
Remove unnecessary
hive.metastore.glue.use-instance-credentials
configuration property. (#3265)Remove unnecessary
hive.s3.use-instance-credentials
configuration property. (#3265)Add flexible S3 security mapping, allowing for separate credentials or IAM roles for specific users or buckets/paths. (#3265)
Add support for specifying an External ID for an IAM role trust policy using the
hive.metastore.glue.external-id
configuration property (#3144)Allow using configured S3 credentials with IAM role. Previously, the configured IAM role was silently ignored. (#3351)
Kudu connector#
Memory connector#
Include views in the list of tables returned to the JDBC driver. (#3208)
MongoDB connector#
SQL Server connector#
Disallow renaming tables between schemas. Previously, such renames were allowed but the schema name was ignored when performing the rename. (#3284)
SPI#
Expose row filters and column masks in
QueryCompletedEvent
. (#3183)Expose referenced functions and procedures in
QueryCompletedEvent
. (#3246)Allow
Connector
to provideEventListener
instances. (#3166)Deprecate the
ConnectorPageSourceProvider.createPageSource()
variant without thedynamicFilter
parameter. The method will be removed in a future release. (#3255)