Documentation

toString() function

Flux 0.7.0+

The toString() function converts all values in the _value column to strings.

toString()

To convert values in a column other than _value, define a custom function patterned after the function definition, but replace _value with your desired column.

Supported data types
  • bool
  • bytes
  • duration
  • float
  • int
  • time
  • uint

Parameters

tables

Input data. Default is piped-forward data (<-).

Examples

The following example uses data provided by the sampledata package to show how toString() transforms data.

Convert a float value column to a string column

import "sampledata"

sampledata.float()
  |> toString()

View input and output

Function definition

toString = (tables=<-) =>
  tables
    |> map(fn:(r) => ({ r with _value: string(v: r._value) }))

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