bottom() function

bottom() sorts each input table by specified columns and keeps the bottom n records in each table.

Note: bottom() drops empty tables.

Function type signature

(<-tables: stream[A], n: int, ?columns: [string]) => stream[A] where A: Record

Parameters

n

(Required) Number of rows to return from each input table.

columns

List of columns to sort by. Default is ["_value"].

Sort precedence is determined by list order (left to right).

tables

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

Examples

Return rows with the two lowest values in each input table

import "sampledata"

sampledata.int()
    |> bottom(n: 2)