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Releases: dolphindb/api-java

3.00.2.3

11 Dec 05:37
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Improvements

  • Renamed the parameter resubTimeout to resubscribeInterval in method subscribe.

3.00.2.2

19 Nov 01:30
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Improvements

  • Optimized the performance for accessing array vectors.

3.00.2.1

05 Nov 09:43
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Improvements

  • A Void is returned for a DT_VOID element contained in an IOTANY vector.

3.00.2.0

23 Oct 08:59
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New Features

  • Added support for IOTANY vectors.

Improvements

  • Enhanced error messages for DBConnection during reconnection.

  • Renamed the following CEP-related parameters for EventClient and EventSender:

    • eventTimeKeys to eventTimeFields.
    • commonKeys to commonFields.

3.00.1.3

03 Sep 05:48
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New Features

  • Added parameters connectTimeout and readTimeout to the connect method of DBConnection 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

01 Aug 03:02
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Improvements

  • The default value of parameter parallelism for run and tryRun has been modified from 2 to 64.

3.00.1.1

17 Jul 02:24
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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 to Matrix interface for obtaining the scale of a DECIMAL matrix.

Improvements

  • Optimized the implementation logic for AutoFitTableAppender and AutoFitTableUpsert.
  • 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

28 Jun 06:28
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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

30 May 09:28
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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

29 Apr 09:13
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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.