PkblobsWithBLOBs newRecord = new PkblobsWithBLOBs(null,
generateRandomBlob(), null, null);
PkblobsExample example = new PkblobsExample();
example.createCriteria().andIdGreaterThan(4);
int rows = mapper.updateByExampleSelective(newRecord, example);
assertEquals(1, rows);
List<PkblobsWithBLOBs> answer = mapper
.selectByExampleWithBLOBs(example);