record.setId(6);
record.setBlob1(generateRandomBlob());
record.setBlob2(generateRandomBlob());
mapper.insert(record);
PkblobsKey key = new PkblobsKey();
key.setId(6);
PkblobsWithBLOBs newRecord = mapper.selectByPrimaryKey(key);
assertNotNull(newRecord);
assertEquals(record.getId(), newRecord.getId());
assertTrue(blobsAreEqual(record.getBlob1(), newRecord.getBlob1()));
assertTrue(blobsAreEqual(record.getBlob2(), newRecord.getBlob2()));