Release 0.146#
General#
- Fix error in - map_concat()when the second map is empty.
- Require at least 4096 file descriptors to run Presto. 
- Support casting between map types. 
- Add MongoDB connector. 
Hive#
- Fix incorrect skipping of data in Parquet during predicate push-down. 
- Fix reading of Parquet maps and lists containing nulls. 
- Fix reading empty ORC file with - hive.orc.use-column-namesenabled.
- Fix writing to S3 when the staging directory is a symlink to a directory. 
- Legacy authorization properties, such as - hive.allow-drop-table, are now only enforced when- hive.security=noneis set, which is the default security system. Specifically, the- sql-standardauthorization system does not enforce these settings.
Black Hole#
- Add support for - varchar(n).
Cassandra#
- Add support for Cassandra 3.0.