toInt() function

The toInt() function converts all values in the _value column to integers.

*Function type: Type conversion*

  1. toInt()

*Supported data types: Boolean | Duration | Float | Numeric String | Time | Uinteger*

For duration and time values, toInt() returns the following:

Input typeReturned value
DurationThe number of nanoseconds in the specified duration
TimeA nanosecond epoch timestamp

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.

Examples

  1. from(bucket: "telegraf")
  2. |> filter(fn:(r) =>
  3. r._measurement == "mem" and
  4. r._field == "used"
  5. )
  6. |> toInt()

Function definition

  1. toInt = (tables=<-) =>
  2. tables
  3. |> map(fn:(r) => ({ r with _value: int(v: r._value) }))

*Used functions: map(), int()*