15.22. Release 0.108
General Changes
- Fix incorrect query results when a window function follows a row_number()
function and both are partitioned on the same column(s).
- Fix planning issue where queries that apply a false predicate
to the result of a non-grouped aggregation produce incorrect results.
- Fix exception when ORDER BY clause contains duplicate columns.
- Fix issue where a query (read or write) that should fail can instead
complete successfully with zero rows.
- Add normalize(), from_iso8601_timestamp(), from_iso8601_date()
and to_iso8601() functions.
- Add support for position() syntax.
- Add Teradata compatibility functions: index(), char2hexint(),
to_char(), to_date() and to_timestamp().
- Make ctrl-C in CLI cancel the query (rather than a partial cancel).
- Allow calling Connection.setReadOnly(false) in the JDBC driver.
The read-only status for the connection is currently ignored.
- Add missing CAST from VARCHAR to TIMESTAMP WITH TIME ZONE.
- Allow optional time zone in CAST from VARCHAR to TIMESTAMP and
TIMESTAMP WITH TIME ZONE.
- Trim values when converting from VARCHAR to date/time types.
- Add support for fixed time zones +00:00 and -00:00.
- Properly account for query memory when using the row_number() function.
- Skip execution of inner join when the join target is empty.
- Improve query detail UI page.
- Fix printing of table layouts in EXPLAIN.
- Add Black Hole Connector.
Cassandra Changes
- Randomly select Cassandra node for split generation.
- Fix handling of UUID partition keys.