presto-rcfile/src/main/java/io/prestosql/rcfile/text/TextRcFileEncoding.java/TextRcFileEncoding/binaryEncoding
class TextRcFileEncoding:    @Override
    public ColumnEncoding binaryEncoding(Type type)
    {
        // binary text encoding is not escaped
        return new BinaryEncoding(type, nullSequence);
    }