example.clear();
example.createCriteria().andTimefieldEqualTo(calendar.getTime());
answer = mapper.selectByExample(example);
assertEquals(1, answer.size());
example.clear();
example.createCriteria().andTimefieldGreaterThan(calendar.getTime());
answer = mapper.selectByExample(example);
assertEquals(3, answer.size());
} finally {
sqlSession.close();