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 covert a column value to a string type.

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

View example input and output


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