TO_NULLABLE
Converts the argument type to Nullable.
Syntax
TO_NULLABLE(x);
Arguments
| Arguments | Description | 
|---|---|
| x | The original value. | 
Return Type
Returns the original datatype from the Nullable type; Returns the wrapped Nullable datatype for non-Nullable type.
Examples
select to_nullable(3);
+----------------+
| to_nullable(3) |
+----------------+
|              3 |
+----------------+