12.27. Release 303
General Changes
- Fix incorrect padding for
CHAR values containing Unicode supplementary characters.
Previously, such values would be incorrectly padded with too few spaces. (#195)
- Fix an issue where a union of a table with a
VALUES statement would execute on a
single node, which could lead to out of memory errors. (#207)
- Fix
/v1/info to report started status after all plugins have been registered and initialized. (#213)
- Improve performance of window functions by avoiding unnecessary data exchanges over the network. (#177)
- Choose the distribution type for semi joins based on cost when the
join_distribution_type session property is set to AUTOMATIC. (#160)
- Expand grouped execution support to window functions, making it possible
to execute them with less peak memory usage. (#169)
Web UI Changes
- Add additional details to and improve rendering of live plan. (#182)
CLI Changes
- Add
--progress option to show query progress in batch mode. (#34)
Hive Connector Changes
- Fix query failure when reading Parquet data with no columns selected.
This affects queries such as
SELECT count(*). (#203)
Mongo Connector Changes
- Fix failure for queries involving joins or aggregations on
ObjectId type. (#215)
Base-JDBC Connector Library Changes
- Allow customizing how query predicates are pushed down to the underlying database. (#109)
- Allow customizing how values are written to the underlying database. (#109)
SPI Changes
- Remove deprecated methods
getSchemaName and getTableName from the SchemaTablePrefix
class. These were replaced by the getSchema and getTable methods. (#89)
- Remove deprecated variants of methods
listTables and listViews
from the ConnectorMetadata class. (#89)
