docs-v2/content/flux/v0.x/stdlib/universe/highestcurrent.md

title	description	aliases	menu	weight	flux/v0.x/tags	introduced
highestCurrent() function	The `highestCurrent()` function selects the last record of each table in the input stream and returns the top `n` records.	/influxdb/v2.0/reference/flux/functions/transformations/selectors/highestcurrent /influxdb/v2.0/reference/flux/functions/built-in/transformations/selectors/highestcurrent/ /influxdb/v2.0/reference/flux/stdlib/built-in/transformations/selectors/highestcurrent/ /influxdb/cloud/reference/flux/stdlib/built-in/transformations/selectors/highestcurrent/	flux_0_x_ref name parent highestCurrent universe	102	selectors transformations	0.7.0

The highestCurrent() function selects the last record of each table in the input stream and returns the top n records. The function outputs a single aggregated table containing n records. highestCurrent() is a selector function.

highestCurrent(
    n:10,
    column: "_value",
    groupColumns: [],
)

{{% warn %}}

Empty tables

highestCurrent() drops empty tables. {{% /warn %}}

Parameters

n

Number of records to return.

column

Column by which to sort. Default is "_value".

groupColumns

The columns on which to group before performing the aggregation. Default is [].

tables

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

Examples

{{% flux/sample-example-intro %}}

import "sampledata"

sampledata.int()
    |> highestCurrent(n: 2, groupColumns: ["tag"])

{{< expand-wrapper >}} {{% expand "View input and output" %}} {{< flex >}} {{% flex-content %}}

Input data

{{% flux/sample "int" %}}

{{% /flex-content %}} {{% flex-content %}}

Output data

_time	tag	_value
2021-01-01T00:00:50Z	t1	4
2021-01-01T00:00:50Z	t2	1

{{% /flex-content %}} {{< /flex >}} {{% /expand %}} {{< /expand-wrapper >}}