Release 0.178

• Fix a regression that causes queries that use the keyword “stats” to fail to parse.

• Fix an issue where a query does not get cleaned up on the coordinator after query failure.

• Add support for operation to complex grouping operations.

• Fix high CPU usage due to schema caching when reading Avro files.

• Preserve decompression error causes when decoding ORC files.

• Fix a bug that prevented creating empty tables.

• Add additional performance statistics to query completion event.