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promql.extrapolatedRate() function

content/flux/v0/stdlib/internal/promql/extrapolatedrate.md

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promql.extrapolatedRate() is a helper function that calculates extrapolated rates over counters and is used to implement PromQL's rate(), delta(), and increase() functions.

Important: The internal/promql package is not meant for external use.

Function type signature
js
(
    <-tables: stream[{A with _value: float, _time: time, _stop: time, _start: time}],
    ?isCounter: bool,
    ?isRate: bool,
) => stream[{B with _value: float}]

{{% caption %}} For more information, see Function type signatures. {{% /caption %}}

Parameters

tables

Input data. Default is piped-forward data (<-).

isCounter

Data represents a counter.

isRate

Data represents a rate.