json.encode() function

The json.encode() function converts a value into JSON bytes.

Function type: Type conversion

import "json"

json.encode(v: "some value")

This function encodes Flux types as follows:

  • time values in RFC3339 format
  • duration values in number of milliseconds since the epoch
  • regexp values as their string representation
  • bytes values as base64-encoded strings
  • function values are not encoded and produce an error



The value to convert.

Data type: Record | Array | Boolean | Duration | Float | Integer | String | Time | UInteger


Encode all values in a column in JSON bytes

import "json"

from(bucket: "example-bucket")
  |> range(start: -1h)
  |> map(fn: (r) => ({
      r with _value: json.encode(v: r._value)

Cloud or OSS?

InfluxDB OSS 2.0 now generally available!

InfluxDB OSS 2.0 is now generally available and ready for production use. See the InfluxDB OSS 2.0 release notes.

For information about upgrading to InfluxDB OSS 2.0, see: