Release 1.2.4
Behavior Changed
For
DateV2
/DatetimeV2
andDecimalV3
type, in the results ofDESCRIBLE
andSHOW CREATE TABLE
statements, they will no longer be displayed asDateV2
/DatetimeV2
orDecimalV3
, but directly displayed asDate
/Datetime
orDecimal
.- This change is for compatibility with some BI tools. If you want to see the actual type of the column, you can check it with the
DESCRIBE ALL
statement.
- This change is for compatibility with some BI tools. If you want to see the actual type of the column, you can check it with the
When querying tables in the
information_schema
database, the meta information(database, table, column, etc.) in the external catalog is no longer returned by default.- This change avoids the problem that the
information_schema
database cannot be queried due to the connection problem of some external catalog, so as to solve the problem of using some BI tools with Doris. It can be controlled by the FE configurationinfodb_support_ext_catalog
, and the default value isfalse
, that is, the meta information of external catalog will not be returned.
- This change avoids the problem that the
Improvement
JDBC Catalog
- Supports connecting to Trino/Presto via JDBC Catalog
Refer to: https://doris.apache.org/docs/dev/lakehouse/multi-catalog/jdbc#trino
- JDBC Catalog connects to Clickhouse data source and supports Array type mapping
Refer to: https://doris.apache.org/docs/dev/lakehouse/multi-catalog/jdbc#clickhouse
Spark Load
- Spark Load supports Resource Manager HA related configuration
Refer to: https://github.com/apache/doris/pull/15000
Bug Fixes
Fixed several connectivity issues with Hive Catalog.
Fixed ClassNotFound issues with Hudi Catalog.
Optimize the connection pool of JDBC Catalog to avoid too many connections.
Fix the problem that OOM will occur when importing data from another Doris cluster through JDBC Catalog.
Fixed serveral queries and imports planning issues.
Fixed several issues with Unique Key Merge-On-Write data model.
Fix several BDBJE issues and solve the problem of abnormal FE metadata in some cases.
Fix the problem that the
CREATE VIEW
statement does not support Table Valued Function.Fixed several memory statistics issues.
Fixed several issues reading Parquet/ORC format.
Fixed several issues with DecimalV3.
Fixed several issues with SHOW QUERY/LOAD PROFILE.