Release 303 (13 Feb 2019)#
General#
- Fix incorrect padding for - CHARvalues 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 - VALUESstatement would execute on a single node, which could lead to out of memory errors. (#207)
- Fix - /v1/infoto 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_typesession 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#
- Add additional details to and improve rendering of live plan. (#182) 
CLI#
- Add - --progressoption to show query progress in batch mode. (#34)
Hive connector#
- Fix query failure when reading Parquet data with no columns selected. This affects queries such as - SELECT count(*). (#203)
Mongo connector#
- Fix failure for queries involving joins or aggregations on - ObjectIdtype. (#215)