Documentation

query.filterFields() function

query.filterFields() is experimental and subject to change at any time.

query.filterFields() filters input data by field.

Function type signature
(<-table: stream[{B with _field: A}], ?fields: [A]) => stream[{B with _field: A}] where A: Nullable

For more information, see Function type signatures.

Parameters

fields

Fields to filter by. Default is [].

table

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

Examples

Query specific fields from InfluxDB

import "experimental/query"

query.fromRange(bucket: "telegraf", start: -1h)
    |> query.filterFields(fields: ["used_percent", "available_percent"])

Was this page helpful?

Thank you for your feedback!


New in InfluxDB 3.7

Key enhancements in InfluxDB 3.7 and the InfluxDB 3 Explorer 1.5.

See the Blog Post

InfluxDB 3.7 is now available for both Core and Enterprise, landing alongside version 1.5 of the InfluxDB 3 Explorer UI. This release focuses on giving developers faster visibility into what their system is doing with one-click monitoring, a streamlined installation pathway, and broader updates that simplify day-to-day operations.

For more information, check out:

InfluxDB Docker latest tag changing to InfluxDB 3 Core

On February 3, 2026, the latest tag for InfluxDB Docker images will point to InfluxDB 3 Core. To avoid unexpected upgrades, use specific version tags in your Docker deployments.

If using Docker to install and run InfluxDB, the latest tag will point to InfluxDB 3 Core. To avoid unexpected upgrades, use specific version tags in your Docker deployments. For example, if using Docker to run InfluxDB v2, replace the latest version tag with a specific version tag in your Docker pull command–for example:

docker pull influxdb:2