The where node
Filter points and batches with a lambda expression, which returns a boolean value.
Data-items for which the lambda expression evaluates as false will be discarded.
Example
|where(lambda: hour("ts") < 18 AND hour("ts") > 8 )
Discards every point who's timestamp is not between 09:00 and 18:00 UTC.
Parameters
| Parameter | Description | Default |
|---|---|---|
[node] lambda( lambda ) |
The lambda filter expression |