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"])
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