array_union function
Applies to: Databricks SQL
Databricks Runtime
Returns an array of the elements in the union of array1 and array2 without duplicates.
Syntax
array_union(array1, array2)
Arguments
array1: An ARRAY.array2: An ARRAY of the same type asarray1.
Returns
An ARRAY of the same type as array.
Examples
SQL
> SELECT array_union(array(1, 2, 2, 3), array(1, 3, 5));
[1,2,3,5]