Fixed ClassCastException that occurs when executing queries with
order by that uses scalar functions which have integer return type
and null values are involved in the ordering.
SELECT * from t1 ORDER BY abs(col1) (col1 contains nulls)
Fixed NPE that that can occur in join queries when left table
has no matching records.
Fixed issue that caused join queries to get stuck when killed.
Improved error message when column is missing from
by using the column alias instead of the column name.
Improve error message for not supported set operations
Improved error handling:
Sometimes a user would get a “Job Killed” error instead of the actual error
that caused a query to get interrupted.
Fixed a memory leak that was caused by blob uploads.