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count() function

The count() function outputs the number of records in each aggregated column. It counts both null and non-null records.

Function type: Aggregate
Output data type: Integer

count(columns: ["_value"])

Parameters

columns

A list of columns on which to operate Defaults to ["_value"].

Data type: Array of strings

Examples

from(bucket: "telegraf/autogen")
  |> range(start: -5m)
  |> count()
from(bucket: "telegraf/autogen")
  |> range(start: -5m)
  |> count(columns: ["_value"])

COUNT()