New Features
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Added parameters backupSites to enable failover mechanism for subscribe.
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Added method setStreamTableTimestamp to attach a timestamp column to a stream table to record the data ingestion time.
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Added class EventSender and EventClient to write events into a heterogeneous stream table and subscribe events from a heterogeneous stream table.
Bug Fixes
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Fixed a segmentation fault that occurred when downloading a dictionary containing data of UUID/INT128/IPADDR type with DBConnection.run.
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Fixed an issue where the API would become unresponsive when uploading empty SYMBOL vectors with interfaces AutoFitTableAppender and AutoFitTableUpsert.
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Fixed precision loss occured when parsing the DECIMAL column from a heterogeneous table.