docs-v2/content/flux/v0/stdlib/universe/limit.md

title	description	menu	weight	flux/v0/tags	introduced
limit() function	`limit()` returns the first `n` rows after the specified `offset` from each input table.	flux_v0_ref name parent identifier limit universe universe/limit	101	transformations selectors	0.7.0

limit() returns the first n rows after the specified offset from each input table.

If an input table has less than offset + n rows, limit() returns all rows after the offset.

Function type signature

(<-tables: stream[A], n: int, ?offset: int) => stream[A]

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

Parameters

n

({{< req >}}) Maximum number of rows to return.

offset

Number of rows to skip per table before limiting to n. Default is 0.

tables

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

Examples

• Limit results to the first three rows in each table
• Limit results to the first three rows in each input table after the first two

Limit results to the first three rows in each table

import "sampledata"

sampledata.int()
    |> limit(n: 3)

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

Input data

_time	_value	*tag
2021-01-01T00:00:00Z	-2	t1
2021-01-01T00:00:10Z	10	t1
2021-01-01T00:00:20Z	7	t1
2021-01-01T00:00:30Z	17	t1
2021-01-01T00:00:40Z	15	t1
2021-01-01T00:00:50Z	4	t1

_time	_value	*tag
2021-01-01T00:00:00Z	19	t2
2021-01-01T00:00:10Z	4	t2
2021-01-01T00:00:20Z	-3	t2
2021-01-01T00:00:30Z	19	t2
2021-01-01T00:00:40Z	13	t2
2021-01-01T00:00:50Z	1	t2

Output data

_time	_value	*tag
2021-01-01T00:00:00Z	-2	t1
2021-01-01T00:00:10Z	10	t1
2021-01-01T00:00:20Z	7	t1

_time	_value	*tag
2021-01-01T00:00:00Z	19	t2
2021-01-01T00:00:10Z	4	t2
2021-01-01T00:00:20Z	-3	t2

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

Limit results to the first three rows in each input table after the first two

import "sampledata"

sampledata.int()
    |> limit(n: 3, offset: 2)