Release 363 (6 Oct 2021)#
General#
Add HTTP event listener implementation which sends JSON serialized events to a remote HTTP endpoint. (#8821)
Improve performance of queries that group by
bigint
columns. (#9510)Improve performance of queries that process row or array data. (#9402)
Improve query planning performance. (#9462)
Reduce query memory usage when spilling occurs. (#9270, #9275)
Reduce memory usage for processing
JOIN
clauses. (#9327)Fix potential data loss in query results when clients retry requests to the coordinator. (#9453)
Fix incorrect result for comparisons between zero-valued decimals. (#8985)
Fix
SHOW ROLES
failure when there are no roles to display. (#9319)Fix
EXPLAIN ANALYZE
to show estimates. (#9396)Fix incorrect result for
round()
with precision set to 0. (#9371)Respect
deprecated.legacy-catalog-roles=true
configuration property inSHOW ROLES
,SHOW CURRENT ROLES
andSHOW ROLE GRANTS
statements. (#9496)
Python client#
Fix column type reported in
cursor.description
fortime with time zone
column. (#9460)
BigQuery connector#
Fix failure for queries where predicates on
geography
,array
orstruct
column are pushed down to BigQuery. (#9391)
Cassandra connector#
Add support for Cassandra
tuple
type. (#8570)
Elasticsearch connector#
Add support for
scaled_float
type. (#9358)
Hive connector#
Support usage of
avro_schema_url
table property in partitioned tables. (#9370}Add support for insert overwrite operations on S3-backed tables. (#9234)
Improve query performance when reading Parquet data with predicate on a
decimal
column. (#9338)Fix
Failed reading parquet data: Socket is closed by peer
query failure when reading from Parquet table with a predicate. (#9097)Fix query failure when updating or deleting from an ORC ACID transactional table that has some rows deleted since the last major compaction. (#9354)
Fix failure when reading large Parquet files. (#9469)
Fix failures for some
UPDATE
queries, such as those where theSET
clause contains the same constant more than once. (#9295)Fix incorrect results when filtering on Parquet columns containing a dot in their name. (#9516)
Iceberg connector#
Improve query performance when reading Parquet data with predicate on a
decimal
column. (#9338)Fix support for comments when adding a new column. Previously, they were silently ignored. (#9123)
Fix page and block sizing when writing Parquet data. (#9326)
Fix failure when reading large Parquet files. (#9469)
MySQL connector#
Phoenix connector#
Allowing forcing the mapping of certain types to
varchar
. This can be enabled by setting thejdbc-types-mapped-to-varchar
configuration property to a comma-separated list of type names. (#2084)
Pinot connector#
Fix failure when a column name is a reserved keyword. (#9373)