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Release notes

Last Updated: Aug 25, 2021

Time Series Database (TSDB) SDK provides the open source code for iterative development. The code is hosted on GitHub. For more information, see TSDB SDK on GitHub. If an issue occurs when you use TSDB SDK, we recommend that you report the issue to GitHub. For more information, see Issues. We look forward to receiving your feedback and suggestions on TSDB SDK.

The following table describes the official versions of TSDB SDK.

Version

Description

Download link

0.3.5

  • Duplicates are removed when you write data.

  • An API operation is added to manage spatial data.

    This feature is for trial use. If you need to use this feature, make sure that the version of the database engine on which your TSDB server runs is later than V2.6.4. To obtain more information, submit a ticket.

  • The following issue is fixed: When a TSDB client fails to initialize, the system fails to clear resources such as threads.

  • The following issue is fixed:

    BatchPutIgnoreErrorsCallback

    and

    MultiFieldBatchPutIgnoreErrorsCallback

    cannot be called.

  • The following issue is fixed: Some semaphores fail to be cleared.

hitsdb-client-0.3.5.jar

0.3.3

  • The following asynchronous API operations are added. When you call one of the following API operations, you can dynamically configure a callback method.

    • void put(Collection<Point> points, AbstractBatchPutCallback batchPutCallback)

    • void multiFieldPut(Collection<MultiFieldPoint> points, AbstractMultiFieldBatchPutCallback batchPutCallback);

hitsdb-client-0.3.3.jar

0.3.2

  • Empty strings are supported when you write data.

  • Some issues that are related to resource utilization are fixed.

hitsdb-client-0.3.2.jar

0.3.1

  • The flush() method is provided for asynchronous write scenarios.

  • The API operations that can be used together with query hints are added. Query hints are supported by TSDB V2.6.2.

  • The capabilities for multi-value writes and queries are refined.

  • Some issues are fixed.

hitsdb-client-0.3.1.jar

0.2.7

The user authentication feature is supported by TSDB.

hitsdb-client-0.2.7.jar

0.2.6

The dependency on Guava is removed. The delta operator is supported. The delta operator is used to calculate the difference between the values of two single-value data points.

hitsdb-client-0.2.6.jar

0.2.5

Time series can be recursively deleted. Multi-value time series can be deleted.

hitsdb-client-0.2.5.jar

0.2.4

The circular reference issue during JSON serialization when you configure the LastPointQuery object is resolved.

hitsdb-client-0.2.4.jar

0.2.3

Filters are supported when you configure the MultiFieldSubQuery object. The preDpValue operator is supported. The preDpValue operator is used to filter data points before queries are performed.

hitsdb-client-0.2.3.jar

0.2.2

SQL queries are supported.

hitsdb-client-0.2.2.jar

0.2.1

Asynchronous writes of multi-value data points are supported.

hitsdb-client-0.2.1.jar

0.2.0

The API operations that are used to manage multi-value data points are supported.

hitsdb-client-0.2.0.jar