system.dataset.clearDataset
This function is used in Python Scripting.
Description​
Takes a dataset and returns a new dataset with all of the same column names and types, but no rows.
note
Datasets are immutable, which means they cannot be directly modified once created. Instead, this scripting function returns a new dataset with some modification applied, which must be assigned to a variable to be used. See Altering a Dataset.
Client Permission Restrictions​
This scripting function has no Client Permission restrictions.
Syntax​
system.dataset.clearDataset(dataset)
Parameters​
| Type | Parameter | Description |
|---|---|---|
| Dataset | dataset | The starting dataset. |
Returns​
Dataset - A new dataset with no rows.
Scope​
Gateway, Vision Client, Perspective Session
Code Examples​
Code Snippet
# This example pulls in the dataset from a Vision Table component, clears it, then writes the empty dataset back to the table.
data = event.source.parent.getComponent('Table').data
event.source.parent.getComponent('Table').data = system.dataset.clearDataset(data)