= BintBcharTypePeer.retrieveByPK(new StringKey("t1"));
bc.setBintObjectValue(null);
bc.setBcharObjectValue(null);
// execute
bc.save();
// verify
bc = BintBcharTypePeer.retrieveByPK(new StringKey("t1"));
assertEquals(null, bc.getBintObjectValue());
assertEquals(null, bc.getBcharObjectValue());