record.setBlob1(generateRandomBlob());
mapper.insert(record);
PkfieldsblobsExample example = new PkfieldsblobsExample();
example.createCriteria().andId1NotEqualTo(3);
int rows = mapper.countByExample(example);
assertEquals(1, rows);
example.clear();
rows = mapper.countByExample(example);
assertEquals(2, rows);