Release 0.140#
General#
- Add the - TRYfunction to handle specific data exceptions. See Conditional expressions.
- Optimize predicate expressions to minimize redundancies. 
- Add environment name to UI. 
- Fix logging of - failure_hostand- failure_taskfields 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 - INlists 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 INqueries to produce more compact predicates.
Hive#
- 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#
- 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.