record.setBlob1(generateRandomBlob());
mapper.insert(record);
PkfieldsblobsExample example = new PkfieldsblobsExample();
example.createCriteria().andId2EqualTo(6);
List<Pkfieldsblobs> answer = mapper.selectByExample(example);
assertEquals(1, answer.size());
Pkfieldsblobs newRecord = answer.get(0);
assertEquals(record.getId1(), newRecord.getId1());
assertEquals(record.getId2(), newRecord.getId2());