Releases: dolphindb/api-java
Releases · dolphindb/api-java
3.00.2.3
3.00.2.2
Improvements
- Optimized the performance for accessing array vectors.
3.00.2.1
Improvements
- A Void is returned for a DT_VOID element contained in an IOTANY vector.
3.00.2.0
New Features
- Added support for IOTANY vectors.
Improvements
-
Enhanced error messages for
DBConnection
during reconnection. -
Renamed the following CEP-related parameters for
EventClient
andEventSender
:- eventTimeKeys to eventTimeFields.
- commonKeys to commonFields.
3.00.1.3
New Features
- Added parameters connectTimeout and readTimeout to the
connect
method ofDBConnection
class to set the maximum connection and read timeouts (in ms) for underlying API Socket connections.
Improvements
- The error message raised by
MultithreadedTableWriter
when writing to partitioned tables now displays the specific column names in case of data type mismatch.
Issues Fixed
- [AJ-763] Fixed an occasional issue where CPU usage was falsely high when using
ThreadPooledClient
for stream subscription, even without subscription tasks.
3.00.1.2
Improvements
- The default value of parameter parallelism for
run
andtryRun
has been modified from 2 to 64.
3.00.1.1
New Features
- Added parameters minimumPoolSize, maximumPoolSize, idleTimeout, and tryReconnectNums to
SimpleDBConnectionPool
for setting the min/max pool size, max idle time, and the number of reconnection attempts of a connection pool. SimpleDBConnectionPool
now supports dynamically acquiring connections and manually releasing idle connections.- Added parameter tryReconnectNums to
DBConnection
for setting the number of reconnection attempts. - Added method
getScale
toMatrix
interface for obtaining the scale of a DECIMAL matrix.
Improvements
- Optimized the implementation logic for
AutoFitTableAppender
andAutoFitTableUpsert
. - Optimized log information on CEP events.
Issues Fixed
- Fixed an issue in high availability (HA) mode where restarting a data node after the controller and agent nodes were restarted would result in connection failure with a "connect to :0" error message.
3.00.1.0
New Features
- Added
combine
method for merging data in Decimal Vectors. - Added support for creating, downloading and displaying Tensor data.
Issues Fixed
- Fixed an error where dictionaries with value of ANY type couldn't accept common data types (e.g., INT, STRING).
- Fixed an error occurring when uploading dictionary data with value of ANY type.
3.00.0.2
New Features
- Added parameters backupSites, resubTimeout, and subOnce to
subscribe
to enable failover mechanism. - Added method
getValues
for retrieving values of array vectors.
3.00.0.1
Issues Fixed
-
Fixed an issue where
ExclusiveDBConnectionPool
would incorrectly enable load balancing when constructing a connection with high availability enabled. -
Fixed an issue where the connections established by
DBConnection
did not involve all nodes in the cluster when high availability was enabled and no specific highAvailabilitySites was specified.