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 коннектор.

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-names enabled.

• 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=none is set, which is the default security system. Specifically, the sql-standard authorization system does not enforce these settings.

Black Hole

• Add support for varchar(n).

Cassandra

• Add support for Cassandra 3.0.