Documentation

experimental.distinct() function

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

experimental.distinct() returns unique values from the _value column.

The _value of each output record is set to a distinct value in the specified column. null is considered a distinct value.

experimental.distinct() drops all columns not in the group key and drops empty 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 distinct values from each input table

import "experimental"
import "sampledata"

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

View example input and output


Was this page helpful?

Thank you for your feedback!


The future of Flux

Flux is going into maintenance mode. You can continue using it as you currently are without any changes to your code.

Read more

InfluxDB 3 Open Source Now in Public Alpha

InfluxDB 3 Open Source is now available for alpha testing, licensed under MIT or Apache 2 licensing.

We are releasing two products as part of the alpha.

InfluxDB 3 Core, is our new open source product. It is a recent-data engine for time series and event data. InfluxDB 3 Enterprise is a commercial version that builds on Core’s foundation, adding historical query capability, read replicas, high availability, scalability, and fine-grained security.

For more information on how to get started, check out: