Release 375 (28 Mar 2022)#
General#
Change behavior of
ALTER TABLE qualified_name TO unqualified_name
to leave the table in the schema. This is backwards-incompatible behavioral change. (#11282)Disallow table redirections for the
GRANT
,REVOKE
, andSET TABLE AUTHORIZATION
table tasks. (#11302)Improve performance of queries that contain filter predicates on aggregation results. (#11469)
Improve performance of queries that contain
array_distinct(array_sort(…))
expressions. (#8777)Fix
SHOW CREATE TABLE
to show actual table name in case of table redirections, so that the statement can be used to recreate the table. (#11604)Fix scheduling for non-remotely accessible splits in fault-tolerant execution. (#11581)
Fix incorrect
is_nullable
value ininformation_schema.columns
table. (#11613)
JDBC driver#
Cassandra connector#
Return
0
instead of row count in completed bytes. (#11644)
Delta Lake connector#
Hive connector#
Iceberg connector#
Kudu connector#
MongoDB connector#
MySQL connector#
Add support for table comments. (#11211)
Pinot connector#
PostgreSQL connector#
Improve performance of queries involving
OR
withIS NULL
,IS NOT NULL
predicates, or involvingNOT
expression by pushing predicate computation to the PostgreSQL database. (#11514)Improve performance of queries with predicates involving
nullif
function by pushing predicate computation to the PostgreSQL database. (#11532)Improve performance of queries involving joins by pushing computation to the PostgreSQL database. (#11635)
Improve performance of queries involving predicates with arithmetic expressions by pushing predicate computation to the PostgreSQL database. (#11510)
Fix deletion of too much data when delete query involves a
LIKE
predicate. (#11615)