record.setBlob1(generateRandomBlob());
record.setBlob2(generateRandomBlob());
mapper.insert(record);
PkblobsExample example = new PkblobsExample();
example.createCriteria().andIdGreaterThan(4);
List<Pkblobs> answer = mapper.selectByExampleWithBLOBs(example);
assertEquals(1, answer.size());
Pkblobs newRecord = answer.get(0);