Release 331 (16 Mar 2020)#
General#
Prevent query failures when worker is shut down gracefully. (#2648)
Fix join failures for queries involving
OR
predicate with non-comparable functions. (#2861)Ensure query completed event is fired when there is an error during analysis or planning. (#2842)
Fix memory accounting for
ORDER BY
queries. (#2612)Fix
last_day_of_month()
fortimestamp with time zone
values. (#2851)Fix excessive runtime when parsing deeply nested expressions with unmatched parenthesis. (#2968)
Correctly reject
date
literals that cannot be represented in Presto. (#2888)Improve query performance by removing redundant data reshuffling. (#2853)
Improve performance of inequality joins involving
BETWEEN
. (#2859)Improve join performance for dictionary encoded data. (#2862)
Enable dynamic filtering by default. (#2793)
Show reorder join cost in
EXPLAIN ANALYZE VERBOSE
(#2725)Allow configuring resource groups selection based on user’s groups. (#3023)
Add
SET AUTHORIZATION
action to ALTER SCHEMA. (#2673)Add BigQuery connector. (#2532)
Add support for large prepared statements. (#2719)
Security#
Remove unused
internal-communication.jwt.enabled
configuration property. (#2709)Rename JWT configuration properties from
http.authentication.jwt.*
tohttp-server.authentication.jwt.*
. (#2712)Add access control checks for query execution, view query, and kill query. This can be configured using Query rules in File-based access control. (#2213)
Hide columns of tables for which the user has no privileges in File-based access control. (#2925)
JDBC driver#
Implement
PreparedStatement.getMetaData()
. (#2770)
Web UI#
Fix copying worker address to clipboard. (#2865)
Fix copying query ID to clipboard. (#2872)
Fix display of data size values. (#2810)
Fix redirect from
/
to/ui/
when Presto is behind a proxy. (#2908)Fix display of prepared queries. (#2784)
Display physical input read rate. (#2873)
Add simple form based authentication that utilizes the configured password authenticator. (#2755)
Allow disabling the UI via the
web-ui.enabled
configuration property. (#2755)
CLI#
Hive connector#
Fix incorrect results for reads from
information_schema
tables and metadata queries when using a Hive 3.x metastore. (#3008)Fix query failure when using Glue metastore and the table storage descriptor has no properties. (#2905)
Fix deadlock when Hive caching is enabled and has a refresh interval configured. (#2984)
Respect
bucketing_version
table property when using Glue metastore. (#2905)Improve performance of partition fetching from Glue. (#3024)
Add support for bucket sort order in Glue when creating or updating a table or partition. (#1870)
Add support for Hive full ACID tables. (#2068, #1591, #2790)
Allow data conversion when reading decimal data from Parquet files and precision or scale in the file schema is different from the precision or scale in partition schema. (#2823)
Add option to enforce that a filter on a partition key be present in the query. This can be enabled by setting the
hive.query-partition-filter-required
configuration property or thequery_partition_filter_required
session property totrue
. (#2334)Allow selecting the
Intelligent-Tiering
S3 storage class when writing data to S3. This can be enabled by setting thehive.s3.storage-class
configuration property toINTELLIGENT_TIERING
. (#3032)Hide the Hive system schema
sys
for security reasons. (#3008)Add support for changing the owner of a schema. (#2673)
MongoDB connector#
Fix incorrect results when queries contain filters on certain data types, such as
real
ordecimal
. (#1781)
Other connectors#
These changes apply to the MemSQL, MySQL, PostgreSQL, Redshift, Phoenix, and SQL Server connectors.
Add support for dropping schemas. (#2956)
SPI#
Remove deprecated
Identity
constructors. (#2877)Introduce a builder for
ConnectorIdentity
and deprecate its public constructors. (#2877)Add support for row filtering and column masking via the
getRowFilter()
andgetColumnMask()
APIs inSystemAccessControl
andConnectorAccessControl
. (#1480)Add access control check for executing procedures. (#2924)