1.30.22

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.

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.

Added support for constructing data of BasicDecimal32 and BasicDecimal64 types from strings.

Added support for calling the JSONObject.toJSONString method from fastjson library to serialize DolphinDB data types defined in the Java API.

The add method of the BasicDecimal32Vector and BasicDecimal64Vector classes now supports data of String type.

The addRange method of the BasicDecimal32Vector and BasicDecimal64Vector classes now supports String arrays.

The API will connect to a random low-load node if high availability is enabled.

New constructor methods have been added to instantiate some data types, including BasicDouble, BasicFloat, BasicInt, BasicLong, BasicShort, and BasicByte.

Reduced the JAR file size for DolphinDB Java API dependencies.

Renamed tableAppneder to AutoFitTableAppender.

Optimized the ErrorCodeInfo code, and changed its access modifier to public.

Upgraded FastJson to version 2.0.33.

The API will connect to a random low-load node if high availability is enabled.

New constructor methods have been added to instantiate some data types, including BasicDouble, BasicFloat, BasicInt, BasicLong, BasicShort, and BasicByte.

Added support for DECIMAL128 data type.