DolphinDB Release Notes

DolphinDB Server

Version : 0.98.0

Release Date : 2019-09-23

New Features

Added meta data high availability.
Added data cache to improve writing performance.
Added DFS database support in single node mode.
Added function addRangePartition to extend RANGE partition.
Added function textChunkDS to split a text file into multiple data sources.
Added function migrate for data migration.
Added statement go to support step-by-step execution of scripts.
Added function eye to generate unit matrix.
Added function diag to generate diagonal matrix.
Added snapshot engine to maintain the latest state of the inserted data sequence, suitable for scenarios such as iot.

Improvements

To improve security, when the configuration option webLoginRequired is enabled, user must log in to execute scripts and functions.

Bug fixes

For a table that does not contain a column of symbol type, when adding a symbol column to it through function addColumn and no data is added, searching the table will cause an exception.
When using the function toStdJson to convert an empty table to a JSON string, a non-standard JSON string will be returned.

Added highligt for keyword go.
Fixed a bug that function plot cannot draw charts other than a line chart when the x-axis is temporal data type.
Added a checkbox on whether function parameter prompt is enabled to solve the problem that the smart reminder panel does not disappear on a few Linux desktops.
Added a database panel to browse distributed databases and table structures.
Added a button to try to cancel a running task.
Added the option to allow forced exit of GUI.
Added the login menu to the VSCode plugin.