unique() function

The unique() function returns all records containing unique values in a specified column.

Function type: Selector
Output data type: Object

unique(column: "_value")

Parameters

column

The column searched for unique values. Defaults to "_value".

Data type: String

Examples

from("telegraf/autogen")
 |> range(start: -15m)
 |> filter(fn: (r) => r._measurement == "syslog")
 |> unique(column: "message")

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