set() function

  • <nil> 0.7.0+

set() assigns a static column value to each row in the input tables.

set() may modify an existing column or add a new column. If the modified column is part of the group key, output tables are regrouped as needed. set() can only set string values.

Function type signature
(<-tables: stream[A], key: string, value: string) => stream[A] where A: Record

For more information, see Function type signatures.

Parameters

key

(Required) Label of the column to modify or set.

value

(Required) String value to set.

tables

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

Examples

Set a column to a specific string value

import "sampledata"

sampledata.int()
    |> set(key: "host", value: "prod1")

View example input and output

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