v1.measurementFieldKeys() function


v1.measurementFieldKeys() was deprecated in Flux v0.88.0 in favor of schema.measurementFieldKeys().

v1.measurementFieldKeys() returns a list of fields in a measurement.

Results include a single table with a single column, _value.

Function type signature
(bucket: string, measurement: A, ?start: B, ?stop: C) => stream[D] where A: Equatable, D: Record
For more information, see Function type signatures.



(Required) Bucket to retrieve field keys from.


(Required) Measurement to list field keys from.


Oldest time to include in results. Default is -30d.


Newest time include in results. The stop time is exclusive, meaning values with a time equal to stop time are excluded from the results. Default is now().

Relative start times are defined using negative durations. Negative durations are relative to now(). Absolute start times are defined using time values.


Query field keys from an InfluxDB measurement

import "influxdata/influxdb/schema"

schema.measurementFieldKeys(bucket: "example-bucket", measurement: "example-measurement")

Not supported in the Flux REPL

v1 functions can retrieve schema information when executed within the context of InfluxDB, but not from the Flux REPL.

Was this page helpful?

Thank you for your feedback!

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.