22.88. Release 0.109
General Changes
- Add
slice()
,md5()
,array_min()
andarray_max()
functions. - Fix bug that could cause queries submitted soon after startup to hang forever.
- Fix bug that could cause
JOIN
queries to hang forever, if the right side of theJOIN
had too little data or skewed data. - Improve index join planning heuristics to favor streaming execution.
- Improve validation of date/time literals.
- Produce RPM package for Presto server.
- Always redistribute data when writing tables to avoid skew. This can
be disabled by setting the session property
redistribute_writes
or the config propertyredistribute-writes
to false.
Remove “Big Query” Support
The experimental support for big queries has been removed in favor of
the new resource manager which can be enabled via the
experimental.cluster-memory-manager-enabled
config option.
The experimental_big_query
session property and the following config
options are no longer supported: experimental.big-query-initial-hash-partitions
,
experimental.max-concurrent-big-queries
and experimental.max-queued-big-queries
.