generate.from() function

generate.from() generates data using the provided parameter values.

Function type signature
(count: int, fn: (n: int) => int, start: A, stop: A) => stream[{_value: int, _time: time, _stop: time, _start: time}] where A: Timeable
For more information, see Function type signatures.



(Required) Number of rows to generate.


(Required) Function used to generate values.

The function takes an n parameter that represents the row index, operates on n, and then returns an integer value. Rows use zero-based indexing.


(Required) Beginning of the time range to generate values in.


(Required) End of the time range to generate values in.


Generate sample data

import "generate"

    count: 6,
    fn: (n) => (n + 1) * (n + 2),
    start: 2021-01-01T00:00:00Z,
    stop: 2021-01-02T00:00:00Z,

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