Important
This function is considered experimental and under active development and should not be used in production.
The function must be enabled using the feature flag
ArrayFunctions. See
Enabling/Disabling Features.
Determines the set union of array values over input events.
Use this to compute the values that occur in any of the events supplied to this function. The output order of the values is not defined. If no arrays are found, the output is empty.
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
array | string | true | The prefix of the array in Humio, for example for events with fields 'incidents[0], incidents[1], ...' this would be 'incidents'. [a] | |
as | string | false | The name of the output array. | |
Examples
Given two events with the fields mailto and
mailto, return the addresses present in any event
with this array.
For example, with the following input events:
mailto[0]=foo@example.com
mailto[1]=bar@example.com
mailto[0]=bar@example.comUse the following query function:
array:union(mailto, as=unique_mails)The output result:
unique_mails[0]=bar@example.com
unique_mails[1]=foo@example.com