Release 0.175

Fix memory accounting bug that can potentially cause .
Fix planning failure for queries containing correlated subqueries in the SELECT clause.
Reduce occurrences of “Method code too large” errors.
Reduce memory utilization for certain queries involving ORDER BY.
Improve performance of map subscript from O(n) to O(1) when the map is produced by an eligible operation, including the map constructor and Hive readers (except ORC and optimized Parquet). More read and write operations will take advantage of this in future releases.
Add support for INTERVAL data type to avg() and aggregation functions.
Add support for INT as an alias for the INTEGER data type.
Add resource group information to query events.

Make table creation metastore operations idempotent, which allows recovery when retrying timeouts or other errors.