InfluxDB Docs

toUInt() function

The toUInt() function converts all values in the _value column to UIntegers.

Function type: Type conversion
Output data type: UInteger


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.


from(bucket: "telegraf")
  |> filter(fn:(r) =>
    r._measurement == "mem" and
    r._field == "used"
  |> toUInt()

Function definition

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

Used functions: map(), uint()