Release 0.210#
General#
Fix planning failure when aliasing columns of tables containing hidden columns (#11385).
Fix correctness issue when
GROUP BY DISTINCTterms contain references to the same column using different syntactic forms (#11120).Fix failures when querying
information_schematables using capitalized names.Improve performance when converting between
ROWtypes.Remove user CPU time tracking as introduces non-trivial overhead.
Select join distribution type automatically for queries involving outer joins.
Hive connector#
Fix a security bug introduced in 0.209 when using
hive.security=file, which would allow any user to create, drop, or rename schemas.Prevent ORC writer from writing stripes larger than the max configured size when converting a highly dictionary compressed column to direct encoding.
Support creating Avro tables with a custom schema using the
avro_schema_urltable property.Support backward compatible Avro schema evolution.
Support cross-realm Kerberos authentication for HDFS and Hive Metastore.
JDBC driver#
Deallocate prepared statement when
PreparedStatementis closed. Previously,Connectionbecame unusable after many prepared statements were created.Remove
getUserTimeMillis()fromQueryStatsandStageStats.
SPI#
SystemAccessControl.checkCanSetUser()now takes anOptional<Principal>rather than a nullablePrincipal.Rename
connectorIdtocatalogNameinConnectorFactory,QueryInputMetadata, andQueryOutputMetadata.Pass
ConnectorTransactionHandletoConnectorAccessControl.checkCanSetCatalogSessionProperty().Remove
getUserTime()fromSplitStatistics(referenced inSplitCompletedEvent).
Note
These are backwards incompatible changes with the previous SPI. If you have written a plugin, you will need to update your code before deploying this release.