array_distinct
function
Applies to: Databricks SQL Databricks Runtime
Removes duplicate values from array
.
Syntax
array_distinct(array)
Arguments
array
: An ARRAY expression.
Returns
The function returns an array of the same type as the input argument where all duplicate values have been removed.
Examples
> SELECT array_distinct(array(1, 2, 3, NULL, 3));
[1,2,3,NULL]