distinct
Creates a sorted list without duplicates of non-null grouped values.
distinct(xs:list) -> listDescription
The distinct function returns a sorted list containing unique, non-null values
in xs.
xs: list
The values to deduplicate.
Examples
Get distinct values in a list
from {x: 1}, {x: 2}, {x: 2}, {x: 3}
summarize unique=distinct(x)
{unique: [1, 2, 3]}