presto-main/src/main/java/io/prestosql/type/BigintOperators.java/BigintOperators/equal
class BigintOperators:    @ScalarOperator(EQUAL)
    @SqlType(StandardTypes.BOOLEAN)
    @SqlNullable
    public static Boolean equal(@SqlType(StandardTypes.BIGINT) long left, @SqlType(StandardTypes.BIGINT) long right)
    {
        return left == right;
    }