Documentation

experimental.unique() function

experimental.unique() is subject to change at any time.

experimental.unique() returns all records containing unique values in the _value column.

null is considered a unique value.

Function behavior

  • Outputs a single table for each input table.
  • Outputs a single record for each unique value in an input table.
  • Leaves group keys, columns, and values unmodified.
  • Drops emtpy tables.
Function type signature
(<-tables: stream[{A with _value: B}]) => stream[{A with _value: B}]
For more information, see Function type signatures.

Parameters

tables

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

Examples

Return rows with unique values in each input table

import "experimental"
import "sampledata"

sampledata.int(includeNull: true)
    |> experimental.unique()

View example input and ouput


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