presto-mongodb/src/main/java/io/prestosql/plugin/mongodb/ObjectIdFunctions.java/ObjectIdFunctions/equal
class ObjectIdFunctions:    @ScalarOperator(EQUAL)
    @SqlType(StandardTypes.BOOLEAN)
    @SqlNullable
    public static Boolean equal(@SqlType("ObjectId") Slice left, @SqlType("ObjectId") Slice right)
    {
        return left.equals(right);
    }