3.00.2

arrow

Bug Fixes

  • Resolved a bug that caused tasks to hang during script execution. (3.00.2.3)

AWSS3

Enhancements

  • The account parameter now supports requestTimeoutMs, with a default value of 300000 milliseconds. (3.00.2.18)

Bug Fixes

  • Fixed an issue where the deleteS3Object method does not throw an error when the user does not have delete access. (3.00.2.19)

feather

Bug Fixes

  • Fixed memory leaks.

hbase

New Features

  • Support for Linux ARM (3.00.2.2)

hbase

New Features

  • Added support for Shark and Linux ABI. (3.00.2.10)

httpClient

New Features

  • Added support for Linux ARM. (3.00.2.28)

Enhancements

  • Optimize the format of the header in the plugin interface’s return value. (3.00.2.25)

Kakfa

New Features

  • Added support for connecting to Kafka server with SSL authentication. (3.00.2.5)

Bug Fixes

  • Fixed an issue where the Kafka plugin could cause a memory leak in OOM scenarios . (3.00.2.21)

LDAP

Bug Fixes

  • Fixed memory leaps. (3.00.2.18)

lgbm

First release. This plugin is used for invoking the LightGBM library, enabling efficient regression analysis on DolphinDB's in-memory tables. (3.00.2.3)

New Features

  • Added method getParam to return the information of the model.(3.00.2.18)

  • Added support for ABI version of DolphinDB server.(3.00.2.10)

LibTorch

New Features

  • Added method setDevice to specify the computing device for prediction.(3.00.2.5)
  • LibTorch plugin (CPU version) now supports DolphinDB server deployed on Linux.(3.00.2.5)

MySQL

New Features

  • Added support for Shark and Linux ABI. (3.00.2.10)

NSQ

New Features

  • Added support for subscribing to data by codes. (3.00.2.26)
  • Added the queueDepth parameter in subscribe to control the backend data reception queue length. (3.00.2.26)

Bug Fixes

  • Fixed an issue where the Type field was empty for SSE OrderTrade data. (3.00.2.26)

odbc

New Features

  • Added support for Linux ARM. (3.00.2.28)
  • Added setLogLevel to set the plugin's log output level, and getLogLevel to get the current level. (3.00.2.1)

Enhancements

  • Database connections are now only locked when dataBaseType is "ClickHouse" or unspecified. (3.00.2.1)

opc

Enhancements

  • Enhanced plugin stability. (3.00.2.3)

Bug Fixes

  • Fixed a disconnection failure of opc::close. (3.00.2.3)

opcua

Enhancements

  • Added new parameters reconnect and resubscribeInterval to method subscribe for automatic reconnection. (3.00.2.3)
  • Add actionName parameter to subscribe for specifying subscription task name. (3.00.2.2)

Bug Fixes

  • Fixed occasional server crashes when checking subscription status via getSubscriberStat. (3.00.2.2)

parquet

New Features

  • Added support for Linux ARM. (3.00.2.28)
  • Added support for Shark and Linux ABI. (3.00.2.16)
  • Added support for read/write conversion between Parquet repeated type and DolphinDB array vectors.(3.00.2.11)

Bug Fixes

  • ​​Fixed an issue​​ where SYMBOL columns were incorrectly returned as STRING when loading Parquet files. (3.00.2.16)

py

New Features

  • First release of py36 and py37. (3.00.2.10)

Improved

  • Improved error messages when failing to load Python modules. (3.00.2.10)

Issue Fixed

  • Fixed server crashes when processing characters that do not conform to UTF-8 encoding standards in the py plugin. (3.00.2.10)

rabbitmq

New Features

  • Added methods getConnections and getChannels for obtaining connections and channels.

Enhancements

  • Connections and channels are now automatically released if not referenced.
  • Subscriptions created with consume are now included in the global subscription information returned by createSubJob.

redis

New Features

  • Added method batchGet to query the specified keys in batches. (3.00.2.20)
  • Added method batchPush to enable batch execution of Redis LPUSH and RPUSH operations. This allows inserting specified values at the head of a list, from leftmost to rightmost, or vice versa. (3.00.2.3)

SevenZip

First release. This plugin is used for compression and decompression in multiple formats. (3.00.2.3)

Signal

New Features

  • Added support for Linux ARM. (3.00.2.28)
  • Added parameter wavelet for the dwt function to specify the wavelet basis function.(3.00.2.13)

UniqueID

First release. This plugin is used for generating unique identifiers. (3.00.2.16)

WebSocket

Bug Fixes

  • Fixed server crash caused by WebSocket reconnection failure. (3.00.2.1)

zip

Bug Fixes

  • Resolved an issue where extracting to a directory without write permissions did not raise an appropriate exception.(3.00.2.11)

zlib

New Features

  • Added support for Linux ARM. (3.00.2.28)

zmq

New Features

  • Added support for Linux ARM. (3.00.2.28)