Fix query failure while logging the query plan.
Fix a bug that causes clients to hang when executing
Fix variable resolution when lambda argument has the same name as a table column.
Improve error message when running
SHOW TABLESon a catalog that does not exist.
Improve performance for queries with highly selective filters.
Execute USE on the server rather than in the CLI, allowing it to be supported by any client. This requires clients to add support for the protocol changes (otherwise the statement will be silently ignored).
ROWeven if the
JSONdoes not contain every field in the
Add support for dereferencing row fields in lambda expressions.
Support configuring multiple authentication types, which allows supporting clients that have different authentication requirements or gracefully migrating between authentication types without needing to update all clients at once. Specify multiple values for
http-server.authentication.type, separated with commas.
Add support for TLS client certificates as an authentication mechanism by specifying
http-server.authentication.type. The distinguished name from the validated certificate will be provided as a
javax.security.auth.x500.X500Principal. The certificate authority (CA) used to sign client certificates will be need to be added to the HTTP server KeyStore (should technically be a TrustStore but separating them out is not yet supported).
Skip sending final leg of SPNEGO authentication when using Kerberos.
JDBC driver changes#
Per the JDBC specification, close the
Add support for TLS client certificate authentication by configuring the
Add support for transactions using SQL statements or the standard JDBC mechanism.
Allow executing the
USEstatement. Note that this is primarily useful when running arbitrary SQL on behalf of users. For programmatic use, continuing to use
Resource group changes#
WEIGHTED_FAIRresource group scheduling policy.
Do not require setting
hive.metastore.uriwhen using the file metastore.
Reduce memory usage when reading string columns from ORC or DWRF files.
MySQL, PostgreSQL, Redshift, and SQL Server shanges#
Change mapping for columns with
DECIMAL(p,s)data type from Presto
DOUBLEtype to the corresponding Presto
Fix documentation for raw decoder.
Thrift connector changes#
Add support for index joins.
SessionPropertyConfigurationManagerplugin to enable overriding default session properties dynamically.