12.19. Release 316 (8 Jul 2019)
General Changes
- Fix
date_format function failure when format string contains non-ASCII
characters. (#1056)
- Improve performance of queries using
UNNEST. (#901)
- Improve error message when statement parsing fails. (#1042)
CLI Changes
- Fix refresh of completion cache when catalog or schema is changed. (#1016)
- Allow reading password from console when stdout is a pipe. (#982)
Hive Connector Changes
- Acquire S3 credentials from the default AWS locations if not configured explicitly. (#741)
- Only allow using roles and grants with SQL standard based authorization. (#972)
- Add support for
CSV file format. (#920)
- Support reading from and writing to Hadoop encryption zones (Hadoop KMS). (#997)
- Collect column statistics on write by default. This can be disabled using the
hive.collect-column-statistics-on-write configuration property or the
collect_column_statistics_on_write session property. (#981)
- Eliminate unused idle threads when using the metastore cache. (#1061)
PostgreSQL Connector Changes
- Add support for columns of type
UUID. (#1011)
- Export JMX statistics for various JDBC and connector operations. (#906).
MySQL Connector Changes
- Export JMX statistics for various JDBC and connector operations. (#906).
Redshift Connector Changes
- Export JMX statistics for various JDBC and connector operations. (#906).
SQL Server Connector Changes
- Export JMX statistics for various JDBC and connector operations. (#906).
TPC-H Connector Changes
- Fix
SHOW TABLES failure when used with a hidden schema. (#1005)
TPC-DS Connector Changes
- Fix
SHOW TABLES failure when used with a hidden schema. (#1005)
SPI Changes
- Add support for pushing simple column and row field reference expressions into
connectors via the
ConnectorMetadata.applyProjection() method. (#676)
