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2020-04-20 22:54:11
12.95. Release 0.145
General Changes
- Fix potential memory leak in coordinator query history.
- Fix column resolution issue when qualified name refers to a view.
- Fail arithmetic operations on overflow.
- Fix bugs in planner where coercions were not taken into account when computingtypes.
- Fix compiler failure when TRY is a sub-expression.
- Fix compiler failure when TRY is called on a constant or an input reference.
- Add support for the
integer
type to the Presto engine and the Hive,Raptor, Redis, Kafka, Cassandra and example-http connectors. - Add initial support for the
decimal
data type. - Add
driver.max-page-partitioning-buffer-size
config to control buffer sizeused to repartition pages for exchanges. - Improve performance for distributed JOIN and GROUP BY queries with billionsof groups.
- Improve reliability in highly congested networks by adjusting the defaultconnection idle timeouts.
Verifier Changes
- Change verifier to only run read-only queries by default. This behavior can bechanged with the
control.query-types
and test.query-types
config flags.
CLI Changes
- Improve performance of output in batch mode.
- Fix hex rendering in batch mode.
- Abort running queries when CLI is terminated.
Hive Changes
- Fix bug when grouping on a bucketed column which causes incorrect results.
- Add
max_split_size
and max_initial_split_size
session properties to controlthe size of generated splits. - Add retries to the metastore security calls.