cumulativeSum() function
The cumulativeSum()
function computes a running sum for non-null records in the table. The output table schema will be the same as the input table.
_Function type: Transformation
*Output data type: Float*
cumulativeSum(columns: ["_value"])
Parameters
columns
A list of columns on which to operate. Defaults to ["_value"]
.
*Data type: Array of strings*
Examples
from(bucket: "example-bucket")
|> range(start: -5m)
|> filter(fn: (r) =>
r._measurement == "disk" and
r._field == "used_percent"
)
|> cumulativeSum(columns: ["_value"])