Pkonly key = new Pkonly();
key.setId(1);
key.setSeqNum(3);
mapper.insert(key);
PkonlyExample example = new PkonlyExample();
List<Pkonly> answer = mapper.selectByExample(example);
assertEquals(1, answer.size());
Pkonly returnedRecord = answer.get(0);
assertEquals(key.getId(), returnedRecord.getId());