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2021-01-27 21:41:45
13.34. Release 0.228
General Changes
- Reduce excessive memory usage by ExchangeClient.
- Improve coordinator stability on parsing functions that may create large constant arrays/maps/rows (e.g.,
SEQUENCE
, REPEAT
, ARRAY[...]
, etc) by delaying the evaluation on these functions on workers. - Optimize queries with
LIMIT 0
. - Allow Bing Tiles at zoom level 0.
Hive Changes
- Fix ORC writer rollback failure due to exception thrown during rollback.
- Improve ORC read performance for variants and fixed width numbers.
Spi Changes
- Move most
RowExpression
utilities to the presto-expressions
module.