set_union()

Syntax

set_union(arr1, arr2[, *arr3*, ...]``)

Arguments

• arr1...arrN: Input arrays to create a union set (at least two arrays). All arguments must be dynamic arrays (see pack_array).

Returns

Returns a dynamic array of the set of all distinct values that are in any of arrays. See set_intersect() and set_difference().

Example

range x from 1 to 3 step 1
| extend y = x * 2
| extend z = y * 2
| extend w = z * 2
| extend a1 = pack_array(x,y,x,z), a2 = pack_array(x, y), a3 = pack_array(w)
| project set_union(a1, a2, a3)