List answer = dao.selectByExampleWithoutBLOBs(example);
assertEquals(1, answer.size());
PkblobsKey key = new PkblobsKey();
key.setId(new Integer(3));
int rows = dao.deleteByPrimaryKey(key);
assertEquals(1, rows);
example = new PkblobsExample();
answer = dao.selectByExampleWithoutBLOBs(example);
assertEquals(0, answer.size());