last() function

last() returns the last row with a non-null value from each input table.

Note: last() drops empty tables.

Function type signature

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

Parameters

column

Column to use to verify the existence of a value. Default is _value.

If this column is null in the last record, last() returns the previous record with a non-null value.

tables

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

Examples

Return the last row from each input table

import "sampledata"

sampledata.int()
    |> last()