binary function
Applies to: 
Databricks SQL Databricks Runtime
Casts the value of expr to BINARY. This function is a synonym for CAST(expr AS BINARY). See cast function for details.
Syntax
binary(expr)
Arguments
expr: Any expression that that can be cast to BINARY.
Returns
A BINARY.
Examples
SQL
> SELECT binary('Spark SQL');
[53 70 61 72 6B 20 53 51 4C]
> SELECT binary(1984);
[00 00 07 C0]