Release 351 (3 Jan 2021)

General

• Rename client protocol headers to start with X-Trino-. Legacy clients can be supported by setting the configuration property protocol.v1.alternate-header-name to Presto. This configuration property is deprecated and will be removed in a future release.

JMX MBean naming

• Rename base domain name for server MBeans to trino. The name can be changed using the configuration property jmx.base-name.
• Rename base domain name for the Elasticsearch, Hive, Iceberg, Raptor, and Thrift connectors to trino.plugin. The name can be changed using the catalog configuration property jmx.base-name.

Server RPM

• Rename installation directories from presto to trino.

Docker image

• Publish image as trinodb/trino.
• Change base image to azul/zulu-openjdk-centos.
• Change configuration directory to /etc/trino.
• Rename CLI in image to trino.

CLI

• Use new client protocol header names. The CLI is not compatible with older servers.

JDBC driver

• Use new client protocol header names. The driver is not compatible with older servers.
• Change driver URL prefix to jdbc:trino:. The old prefix is deprecated and will be removed in a future release.
• Change driver class to io.trino.jdbc.TrinoDriver. The old class name is deprecated and will be removed in a future release.
• Rename Java package for all driver classes to io.trino.jdbc and rename various driver classes such as TrinoConnection to start with Trino.

Hive connector

• Rename JMX name for PrestoS3FileSystem to TrinoS3FileSystem.
• Change configuration properties hive.hdfs.presto.principal to hive.hdfs.trino.principal and hive.hdfs.presto.keytab to hive.hdfs.trino.keytab. The old names are deprecated and will be removed in a future release.

Local file connector

• Change configuration properties presto-logs.http-request-log.location to trino-logs.http-request-log.location and presto-logs.http-request-log.pattern to trino-logs.http-request-log.pattern. The old names are deprecated and will be removed in a future release.

Thrift connector

• Rename Thrift service method names starting with presto to trino.
• Rename all classes in the Thrift IDL starting with Presto to Trino.
• Rename configuration properties starting with presto to trino.

SPI

• Rename Java package to io.trino.spi.
• Rename PrestoException to TrinoException.
• Rename PrestoPrincipal to TrinoPrincipal.
• Rename PrestoWarning to TrinoWarning.