experimental.group() function
experimental.group() is subject to change at any time.
By using this function, you accept the risks of experimental functions.
experimental.group() introduces an extend mode to the existing group() function.
Function type signature
(<-tables: stream[A], columns: [string], mode: string) => stream[A] where A: Record
For more information, see Function type signatures.
Parameters
columns
(Required)
List of columns to use in the grouping operation. Default is [].
mode
(Required)
Grouping mode. extend is the only mode available to experimental.group().
Grouping modes
- extend: Appends columns defined in the
columnsparameter to group keys.
tables
Input data. Default is piped-forward data (<-).
Examples
Add a column to the group key
import "experimental"
data
|> experimental.group(columns: ["region"], mode: "extend")
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