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
For more information, see Function type signatures.
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")
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.
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