Documentation

schema.measurementFieldKeys() function

Flux 0.88.0+

The schema.measurementFieldKeys() function returns a list of fields in a measurement. The return value is always a single table with a single column, _value.

import "influxdata/influxdb/schema"

schema.measurementFieldKeys(
  bucket: "example-bucket",
  measurement: "example-measurement",
  start: -30d
)

Parameters

bucket

Bucket to retrieve field keys from.

measurement

Measurement to list field keys from.

start

Oldest time to include in results. Defaults to -30d.

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

Examples

import "influxdata/influxdb/schema"

schema.measurementFieldKeys(
  bucket: "telegraf",
  measurement: "cpu",
)

Function definition

package schema

measurementFieldKeys = (bucket, measurement, start=-30d) =>
  fieldKeys(bucket: bucket, predicate: (r) => r._measurement == measurement, start: start)

Used functions: schema.fieldKeys

Supported in the InfluxDB Cloud UI

The schema package can retrieve schema information from the InfluxDB Cloud user interface (UI), but not from the Flux REPL.


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