17.4. Release 0.140
General Changes
- Add the TRY function to handle specific data exceptions. See Conditional Expressions.
- Optimize predicate expressions to minimize redundancies.
- Add environment name to UI.
- Fix logging of failure_host and failure_task fields in QueryCompletionEvent.
- Fix race which can cause queries to fail with a REMOTE_TASK_ERROR.
- Optimize array_distinct() for array<bigint>.
- Optimize > operator for ARRAY.
- Fix an optimization issue that could result in non-deterministic functions being evaluated more than once producing unexpected results.
- Fix incorrect result for rare IN lists that contain certain combinations of non-constant expressions that are null and non-null.
- Improve performance of joins, aggregations, etc. by removing unnecessarily duplicated columns.
- Optimize NOT IN queries to produce more compact predicates.
Hive Changes
- Remove bogus “from deserializer” column comments.
- Change categorization of Hive writer errors to be more specific.
- Add date and timestamp support to new Parquet Reader
SPI Changes
- Remove partition key from ColumnMetadata.
- Change return type of ConnectorTableLayout.getDiscretePredicates().
Note
This is a backwards incompatible change with the previous connector SPI. If you have written a connector, you will need to update your code before deploying this release.