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Releases: dolphindb/api-java

1.30.22.4

14 Nov 08:55
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New Features

  • The MultithreadedTableWriter class now supports creating array vectors of the following types: boolean[], byte[], char[], short[], int[], long[], double[], and float[].
  • The ThreadPooledClient class now supports a public constructor ThreadPooledClient(int threadCount) that allows the publisher to push streaming data using the connection established by the subscriber.
  • The PollingClient class now supports a default constructor PollingClient() that allows the publisher to push streaming data using the connection established by the subscriber.
  • New features for the BasicTable class:
    • Adding duplicate columns with addColumn is no longer allowed;
    • The replaceColumn method can replace a single column;
    • The replaceColName method can rename a single column.

Improvements

  • Optimized the DBConnection class:
    • Renamed the parameter userID to userId in method login;
    • Renamed method getUserID to getUserId.

Bug Fixes

  • Fixed incorrect results returned by method Append for BasicDecimal32Vector, BasicDecimal64Vector, and BasicDecimal128Vector types.
  • Fixed an issue where calling setNull on an instance of the BasicSymbolVector class without any null values would cause errors, disconnections, or exceptions when later retrieving data.