sort_array function
Applies to:  Databricks SQL 
 Databricks Runtime
Returns the array in expr in sorted order.
Syntax
sort_array(expr [, ascendingOrder] )
Arguments
- expr: An- ARRAYexpression of sortable elements.
- ascendingOrder: An optional- BOOLEANexpression defaulting to- true.
Returns
The result type matches expr.
Sorts the input array in ascending or descending order according to the natural ordering of the array elements.
NULL elements are placed at the beginning of the returned array in ascending order or at the end of the returned array in descending order.
Examples
SQL
> SELECT sort_array(array('b', 'd', NULL, 'c', 'a'), true);
 [NULL,a,b,c,d]