iox.from() function

iox.from() reads from the selected bucket and measurement in an IOx storage node.

This function creates a source that reads data from IOx. Output data is “pivoted” on the time column and includes columns for each returned tag and field per time value.

Function type signature

(bucket: string, measurement: string) => stream[{A with _time: time}] where A: Record

Parameters

bucket

(Required) IOx bucket to read data from.

measurement

(Required) Measurement to read data from.

Examples

Use Flux to query data from IOx

import "experimental/iox"

iox.from(bucket: "example-bucket", measurement: "example-measurement")
    |> range(start: -1d)
    |> filter(fn: (r) => r._field == "example-field")