schema.measurementTagKeys() function

schema.measurementTagKeys() returns the list of tag keys for a specific 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

Parameters

bucket

(Required) Bucket to return tag keys from for a specific measurement.

measurement

(Required) Measurement to return tag 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().

Examples

Query tag keys from an InfluxDB measurement

import "influxdata/influxdb/schema"

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