double readDouble = decoder.readDouble();
assertEquals(1.1d, readDouble, 0.0001);
byteOutputStream = new ByteArrayOutputStream();
encoder = new ColumnEncoder(byteOutputStream);
encoder.writeString("hello there");
encoder.flush();
in = new ByteArrayInputStream(byteOutputStream.toByteArray());
decoder = new ColumnDecoder(in);
Utf8 readString = decoder.readString(null);
assertEquals("hello there", readString.toString());