schema.measurementFieldKeys() function
schema.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.
Parameters
bucket
(Required) Bucket to retrieve field keys from.
measurement
(Required) Measurement to list field keys from.
start
Oldest time to include in results. Default is -30d.
stop
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.
Examples
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
schema 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!
Support and feedback
Thank you for being part of our community! We welcome and encourage your feedback and bug reports for Flux and this documentation. To find support, use the following resources:
Customers with an annual or support contract can contact InfluxData Support.