docs-v2/content/flux/v0/stdlib/internal/promql/instantrate.md

title	description	menu	weight
promql.instantRate() function	`promql.instantRate()` is a helper function that calculates instant rates over counters and is used to implement PromQL's [`irate()`](https://prometheus.io/docs/prometheus/latest/querying/functions/#irate) and [`idelta()`](https://prometheus.io/docs/prometheus/latest/querying/functions/#idelta) functions.	flux_v0_ref name parent identifier promql.instantRate internal/promql internal/promql/instantRate	201

promql.instantRate() is a helper function that calculates instant rates over counters and is used to implement PromQL's irate() and idelta() functions.

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

Function type signature

(<-tables: stream[{A with _value: float, _time: time}], ?isRate: bool) => stream[{B with _value: float}]

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

Parameters

tables

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

isRate

Data represents a rate.