12.15. Release 320 (10 Oct 2019)#

General Changes#

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

Only report warnings on Statement, not ResultSet, as warnings are not associated with reads of the ResultSet. (#1640)

Add impersonation support for calls to the Hive metastore. This can be enabled using the hive.metastore.thrift.impersonation.enabled configuration property. (#43)
Add caching support for Glue metastore. (#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. (#1469)

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. (#1598)

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. (#1527)

Add support for VARBINARY, TIMESTAMP, TINYINT, SMALLINT, and REAL data types. (#1639)
Discover available tables and their schema dynamically. (#1639)
Add support for special _id, _score and _source columns. (#1639)
Add support for full text queries. (#1662)

Introduce a builder for Identity and deprecate its public constructors. (#1624)