Documentation

string() function

string() converts a value to a string type.

Function type signature
(v: A) => string

For more information, see Function type signatures.

Parameters

v

(Required) Value to convert.

Examples

Convert basic types to strings

string(v: true)
// Returns "true"

string(v: 1m)
// Returns "1m"

string(v: 2021-01-01T00:00:00Z)
// Returns "2021-01-01T00:00:00Z"

string(v: 10.12)
// Returns "10.12"

Convert all values in a column to strings

If converting the _value column to string types, use toString(). If converting columns other than _value, use map() to iterate over each row and string() to convert a column value to a string type.

data
    |> map(fn: (r) => ({r with exampleCol: string(v: r.exampleCol)}))

View example input and output


Was this page helpful?

Thank you for your feedback!


The future of Flux

Flux is going into maintenance mode. You can continue using it as you currently are without any changes to your code.

Read more

New in InfluxDB 3.4

Key enhancements in InfluxDB 3.4 and the InfluxDB 3 Explorer 1.2.

See the Blog Post

InfluxDB 3.4 is now available for both Core and Enterprise, which introduces offline token generation for use in automated deployments and configurable license type selection that lets you bypass the interactive license prompt. InfluxDB 3 Explorer 1.2 is also available, which includes InfluxDB cache management and other new features.

For more information, check out: