FieldsblobsExample example = new FieldsblobsExample();
example.createCriteria().andFirstnameLike("S%");
int rows = dao.updateByExampleSelective(newRecord, example);
assertEquals(1, rows);
List answer = dao.selectByExampleWithBLOBs(example);
assertEquals(1, answer.size());
FieldsblobsWithBLOBs returnedRecord = (FieldsblobsWithBLOBs) answer.get(0);
assertEquals(record.getFirstname(), returnedRecord.getFirstname());