record = new Pkblobs();
record.setId(new Integer(3));
record.setBlob1(TestUtilities.generateRandomBlob());
record.setBlob2(TestUtilities.generateRandomBlob());
dao.updateByPrimaryKey(record);
Pkblobs newRecord = dao.selectByPrimaryKey(new Integer(3));
assertNotNull(newRecord);
assertEquals(record.getId(), newRecord.getId());