Back to Trino

Release 320 (10 Oct 2019)

docs/src/main/sphinx/release/release-320.md

4802.4 KB
Original Source

Release 320 (10 Oct 2019)

General

  • Fix incorrect parameter binding order for prepared statement execution when parameters appear inside a WITH clause. ({issue}1191)
  • Fix planning failure for certain queries involving a mix of outer and cross joins. ({issue}1589)
  • Improve performance of queries containing complex predicates. ({issue}1515)
  • Avoid unnecessary evaluation of redundant filters. ({issue}1516)
  • Improve performance of certain window functions when using bounded window frames (e.g., ROWS BETWEEN ... PRECEDING AND ... FOLLOWING). ({issue}464)
  • Add Kinesis connector. ({issue}476)
  • Add {func}geometry_from_hadoop_shape. ({issue}1593)
  • Add {func}at_timezone. ({issue}1612)
  • Add {func}with_timezone. ({issue}1612)

JDBC driver

  • Only report warnings on Statement, not ResultSet, as warnings are not associated with reads of the ResultSet. ({issue}1640)

CLI

  • Add multi-line editing and syntax highlighting. ({issue}1380)

Hive connector

  • Add impersonation support for calls to the Hive metastore. This can be enabled using the hive.metastore.thrift.impersonation.enabled configuration property. ({issue}43)
  • Add caching support for Glue metastore. ({issue}1625)
  • Add separate configuration property hive.hdfs.socks-proxy for accessing HDFS via a SOCKS proxy. Previously, it was controlled with the hive.metastore.thrift.client.socks-proxy configuration property. ({issue}1469)

MySQL connector

  • Add mysql.jdbc.use-information-schema configuration property to control whether the MySQL JDBC driver should use the MySQL information_schema to answer metadata queries. This may be helpful when diagnosing problems. ({issue}1598)

PostgreSQL connector

  • Add support for reading PostgreSQL system tables, e.g., pg_catalog relations. The functionality is disabled by default and can be enabled using the postgresql.include-system-tables configuration property. ({issue}1527)

Elasticsearch connector

  • Add support for VARBINARY, TIMESTAMP, TINYINT, SMALLINT, and REAL data types. ({issue}1639)
  • Discover available tables and their schema dynamically. ({issue}1639)
  • Add support for special _id, _score and _source columns. ({issue}1639)
  • Add support for {ref}full text queries <elasticsearch-full-text-queries>. ({issue}1662)

SPI

  • Introduce a builder for Identity and deprecate its public constructors. ({issue}1624)