Release 303 (13 Feb 2019)#
General#
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 toAUTOMATIC
. (#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
--progress
option 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
ObjectId
type. (#215)