Docs

v2.0

integral() function

The integral() function computes the area under the curve per unit of time of subsequent non-null records. The curve is defined using _time as the domain and record values as the range.

Function type: Aggregate
Output data type: Float

integral(unit: 10s, columns: ["_value"])

Parameters

unit

The time duration used when computing the integral.

Data type: Duration

columns

A list of columns on which to operate. Defaults to ["_value"].

Data type: Array of strings

Examples

from(bucket: "telegraf/autogen")
  |> range(start: -5m)
  |> filter(fn: (r) =>
    r._measurement == "cpu" and
    r._field == "usage_system"
  )
  |> integral(unit:10s)

INTEGRAL()


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