String identifying this in-memory dataset, it might be used to decide what data to return.
Reference to the data source object this item belongs to.
Default value to use for "Refresh Data" setting for visualizations created using this item, expressed in minutes (e.g. 1440 = 1 day). A value of N means that whenever the visualization requests data, the engine will return data found in the cache if it's not older than N minutes -this means, if the engine fetched it from the datasource no more than N minutes before-. If not set it will use the default value set in the data source object.
Description of this data source item.
The value that identifies this item in the data source, it might be for example the name of the schema concatenated with the table name.
Parameters for the in-memory data source.
The subtitle of the data source, if not null will be displayed to users instead of connection information like host and database name.
The title of the item, as displayed to the user, it might be for example the name of the table in a database.
Data source item to get in-memory data. It is used to create a new in-memory item with the specified dataset id.