Documentation

influxdb.select() function

influxdb.select() is a user-contributed function maintained by the package author.

influxdb.select() is an alternate implementation of from(), range(), filter() and pivot() that returns pivoted query results and masks the _measurement, _start, and _stop columns. Results are similar to those returned by InfluxQL SELECT statements.

Function type signature
(
    from: string,
    m: A,
    start: B,
    ?fields: [string],
    ?host: string,
    ?org: string,
    ?stop: C,
    ?token: string,
    ?where: (
        r: {
            D with
            _value: E,
            _time: time,
            _stop: time,
            _start: time,
            _measurement: string,
            _field: string,
        },
    ) => bool,
) => stream[F] where A: Equatable, F: Record
For more information, see Function type signatures.

Parameters

from

(Required) Name of the bucket to query.

start

(Required) Earliest time to include in results.

Results include points that match the specified start time. Use a relative duration, absolute time, or integer (Unix timestamp in seconds). For example, -1h, 2019-08-28T22:00:00Z, or 1567029600. Durations are relative to now().

stop

Latest time to include in results. Default is now().

Results exclude points that match the specified stop time. Use a relative duration, absolute time, or integer (Unix timestamp in seconds). For example, -1h, 2019-08-28T22:00:00Z, or 1567029600. Durations are relative to now().

m

(Required) Name of the measurement to query.

fields

List of fields to query. Default is[].

Returns all fields when list is empty or unspecified.

where

Single argument predicate function that evaluates true or false and filters results based on tag values. Default is (r) => true.

Records are passed to the function before fields are pivoted into columns. Records that evaluate to true are included in the output tables. Records that evaluate to null or false are not included in the output tables.

host

URL of the InfluxDB instance to query.

See InfluxDB OSS URLs or InfluxDB Cloud regions.

org

Organization name.

token

InfluxDB API token.

Examples

Query a single field

import "contrib/jsternberg/influxdb"

influxdb.select(from: "example-bucket", start: -1d, m: "example-measurement", fields: ["field1"])

Query multiple fields

import "contrib/jsternberg/influxdb"

influxdb.select(
    from: "example-bucket",
    start: -1d,
    m: "example-measurement",
    fields: ["field1", "field2", "field3"],
)

Query all fields and filter by tags

import "contrib/jsternberg/influxdb"

influxdb.select(
    from: "example-bucket",
    start: -1d,
    m: "example-measurement",
    where: (r) => r.host == "host1" and r.region == "us-west",
)

Query data from a remote InfluxDB Cloud instance

import "contrib/jsternberg/influxdb"
import "influxdata/influxdb/secrets"

token = secrets.get(key: "INFLUXDB_CLOUD_TOKEN")

influxdb.select(
    from: "example-bucket",
    start: -1d,
    m: "example-measurement",
    fields: ["field1", "field2"],
    host: "https://us-west-2-1.aws.cloud2.influxdata.com",
    org: "example-org",
    token: token,
)

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Linux Package Signing Key Rotation

All signed InfluxData Linux packages have been resigned with an updated key. If using Linux, you may need to update your package configuration to continue to download and verify InfluxData software packages.

For more information, see the Linux Package Signing Key Rotation blog post.

InfluxDB Cloud backed by InfluxDB IOx

All InfluxDB Cloud organizations created on or after January 31, 2023 are backed by the new InfluxDB IOx storage engine. Check the right column of your InfluxDB Cloud organization homepage to see which InfluxDB storage engine you’re using.

If powered by IOx, this is the correct documentation.

If powered by TSM, see the TSM-based InfluxDB Cloud documentation.

InfluxDB Cloud backed by InfluxDB TSM

All InfluxDB Cloud organizations created on or after January 31, 2023 are backed by the new InfluxDB IOx storage engine which enables nearly unlimited series cardinality and SQL query support. Check the right column of your InfluxDB Cloud organization homepage to see which InfluxDB storage engine you’re using.

If powered by TSM, this is the correct documentation.

If powered by IOx, see the IOx-based InfluxDB Cloud documentation.

State of the InfluxDB Cloud (IOx) documentation

The new documentation for InfluxDB Cloud backed by InfluxDB IOx is a work in progress. We are adding new information and content almost daily. Thank you for your patience!

If there is specific information you’re looking for, please submit a documentation issue.